--- title: Startup Portfolio | Industry description: Industry | Tackling global billion-dollar markets and hard-to-abate sectors, our climate tech startups are addressing the emissions challenges that will make or break this decisive decade. --- [Skip to content](https://www.third-derivative.org/portfolio/tag/industry#main-content) [![logo-dark](https://www.third-derivative.org/hubfs/Atomic_Third_Derivative/logos/logo-dark.png)](https://www.third-derivative.org) - [Our Portfolio](https://www.third-derivative.org/portfolio) - [For Entrepreneurs](https://www.third-derivative.org/startups) - [Eligibility & Selection](https://www.third-derivative.org/startups) - [How to Apply](https://www.third-derivative.org/startup-application) - Programs & Opportunities - Innovation Cohorts & Partnerships - [Industrial Innovation Cohorts](https://www.third-derivative.org/industrial-innovation-cohorts) - [Future Industries Partnership](https://www.third-derivative.org/future-industries-partnership) - Impact Archive - [Clean Mobile Power Initiative Cohort](https://www.third-derivative.org/clean-mobile-power-initiative-cohort) - [First Gigaton Captured](https://www.third-derivative.org/first-gigaton-captured) - [Cooling Innovations](https://www.third-derivative.org/global-cooling-innovations) - [Passive Daytime Radiative Cooling](https://www.third-derivative.org/passive-daytime-radiative-cooling) - [Insights & Events](https://www.third-derivative.org/insights) - [About Us](https://www.third-derivative.org/about) - [Our Team](https://www.third-derivative.org/team) - [Careers](https://www.third-derivative.org/careers) - Our Partners - [Corporates](https://www.third-derivative.org/corporates) - [Investors](https://www.third-derivative.org/investors) - [Mentors](https://www.third-derivative.org/mentors) English # Startup Portfolio: Industry ## Climate Technology Startups Third Derivative is proud to present the world's most impactful climate tech startups.  ##### STARTUPS BY COHORT: - [Cohort 417](https://www.third-derivative.org/portfolio/tag/cohort-417) - [Cohort 419](https://www.third-derivative.org/portfolio/tag/cohort-419) - [Cohort 22-1](https://www.third-derivative.org/portfolio/tag/cohort-22-1) - [Cohort 22-2](https://www.third-derivative.org/portfolio/tag/cohort-22-2) - [Cohort 22-3 (First Gigaton Captured)](https://www.third-derivative.org/portfolio/tag/cohort-22-3-cdr) - [Cohort 23-1](https://www.third-derivative.org/portfolio/tag/cohort-23-1) - [Cohort 23-2](https://www.third-derivative.org/portfolio/tag/cohort-23-2) - [Cohort 23-3 (First Gigaton Captured)](https://www.third-derivative.org/portfolio/tag/cohort-23-3-FGC-2) - [Cohort 23-4 (Clean Mobile Power Initiative)](https://www.third-derivative.org/portfolio/tag/cohort-23-4-cmpi) - [Cohort 24-1](https://www.third-derivative.org/portfolio/tag/cohort-24-1) - [Cohort 24-2](https://www.third-derivative.org/portfolio/tag/cohort-24-2) - [Cohort 25-1](https://www.third-derivative.org/portfolio/tag/cohort-25-1) - [Cohort 25-2 (Industrial Innovation Cohorts)](https://www.third-derivative.org/portfolio/tag/cohort-25-2) - [Cohort 25-3](https://www.third-derivative.org/portfolio/tag/cohort-25-3) - [Future Industries Partnership](https://www.third-derivative.org/portfolio/tag/future-industries-partnership) - [Cohort 26-1](https://www.third-derivative.org/portfolio/tag/cohort-26-1) ##### Filter by Topic Ag and Land Use agriculture Ammonia Batteries Biofuels / Synfuels / Chemicals Building Construction Building Heat Building Software Buildings Buildings (cooling / heating / envelopes) Buildings (lighting / appliances) Buildings - Enabling Software Carbon & Methane Management Carbon Capture and Utilization Carbon Markets Clean Fuels Cold Chain DAC Electric Mobility Electricity Electricity - Enabling Software Electricity - Financing/Project development Electricity - Geothermal Electricity - Long Duration Electricity Storage Electricity - Nuclear Power Electricity - Retail Energy Storage Electricity - Solar Power Electricity Software Enabling Software Energy Access EV Charging Infrastructure EV Critical Components Financing and Project Development Fugitive Emissions Future Industries Partnership Hydrogen Industrial Heating Industry Industry - Ammonia/Fertilizer Industry - Battery Manufacturing Industry - Biofuels Industry - Cement Industry - Chemicals Industry - E-Fuels Industry - Mining Industry - Steel Industry - Waste Heat Recovery industry- Hydrogen Long-duration Storage Low Carbon Industrial Materials Low Carbon Materials Negative Emissions Negative Emissions - DAC Negative Emissions - Ocean CDR Other Power Electronics and Hardware Renewable & power Generation Renewable Energy Renewable Generation Renewable Process Heat Stationary Energy Storage Thermal Energy Storage Transportation Transportation - Logistics Services Vehicle Efficiency Waste ##### Filter by Cohort Cohort 22-1 Cohort 22-2 Cohort 22-3 (CDR) Cohort 23-1 Cohort 23-2 Cohort 23-3 (FGC 2) Cohort 23-4 CMPI Cohort 24-1 Cohort 24-2 Cohort 25-1 Cohort 25-2 Cohort 25-3 Cohort 25-4 Cohort 26-1 Cohort 417 Cohort 419 [![](https://www.third-derivative.org/hubfs/ace-green-recycling-logoArtboard%201.png)](https://www.third-derivative.org/portfolio/ace-green-recycling) ## [ACE Green Recycling](https://www.third-derivative.org/portfolio/ace-green-recycling) Enabling zero carbon emissions and toxic discharge technology across the battery (lead and lithium-ion) recycling ecosystem. [Read More](https://www.third-derivative.org/portfolio/ace-green-recycling) [![Advanced Thermovoltaic Systems](https://www.third-derivative.org/hubfs/advanced-thermovoltaic-systems-logo-updated.png)](https://www.third-derivative.org/portfolio/advanced-thermovoltaic-systems) ## [Advanced Thermovoltaic Systems](https://www.third-derivative.org/portfolio/advanced-thermovoltaic-systems) Turning industrial waste heat into reliable electricity at megawatt scale. [Read More](https://www.third-derivative.org/portfolio/advanced-thermovoltaic-systems) [![](https://www.third-derivative.org/hubfs/aepnus-logo.png)](https://www.third-derivative.org/portfolio/aepnus) ## [Aepnus Technology](https://www.third-derivative.org/portfolio/aepnus) Developing efficient and sustainable processes to electrify the manufacture of lithium chemicals needed to make batteries. [Read More](https://www.third-derivative.org/portfolio/aepnus) [![Aerleum](https://www.third-derivative.org/hubfs/aerleum-logoArtboard%201.png)](https://www.third-derivative.org/portfolio/aerleum) ## [Aerleum](https://www.third-derivative.org/portfolio/aerleum) Transforming CO2 from point-source or ambient air into green methanol at price parity with fossil fuels. [Read More](https://www.third-derivative.org/portfolio/aerleum) [![](https://www.third-derivative.org/hubfs/ammobia-logoArtboard%201.png)](https://www.third-derivative.org/portfolio/ammobia) ## [Ammobia](https://www.third-derivative.org/portfolio/ammobia) Enabling cost-effective clean ammonia to fuel and feed the world.   [Read More](https://www.third-derivative.org/portfolio/ammobia) [![](https://www.third-derivative.org/hubfs/andros-logo-Artboard%201.png)](https://www.third-derivative.org/portfolio/andros) ## [Andros](https://www.third-derivative.org/portfolio/andros) Developing an innovative reactor to produce ammonia more cost-effectively and with significantly lower energy consumption, thereby accelerating the decarbonization of ammonia production. [Read More](https://www.third-derivative.org/portfolio/andros) [![](https://www.third-derivative.org/hubfs/Untitled%20design%20(12).png)](https://www.third-derivative.org/portfolio/ardent) ## [Ardent](https://www.third-derivative.org/portfolio/ardent) Developing membrane solutions for hard-to-decarbonize industrial sectors and applications. [Read More](https://www.third-derivative.org/portfolio/ardent) [![](https://www.third-derivative.org/hubfs/atmos-zero-logo.png)](https://www.third-derivative.org/portfolio/atmos) ## [AtmosZero](https://www.third-derivative.org/portfolio/atmos) Decarbonizing industry with cost-effective decarbonized steam from high efficiency electrified boilers. [Read More](https://www.third-derivative.org/portfolio/atmos) [![](https://www.third-derivative.org/hubfs/aurora-hydrogen-logo.png)](https://www.third-derivative.org/portfolio/aurora-hydrogen) ## [Aurora Hydrogen](https://www.third-derivative.org/portfolio/aurora-hydrogen) Developing a low-cost, distributed, clean hydrogen production technology. [Read More](https://www.third-derivative.org/portfolio/aurora-hydrogen) [![](https://www.third-derivative.org/hubfs/ayrton-energy-logoArtboard%201.png)](https://www.third-derivative.org/portfolio/ayrton-energy) ## [Ayrton Energy](https://www.third-derivative.org/portfolio/ayrton-energy) Developing a novel hydrogen storage technology for large, scalable, and efficient storage and transport of H2. [Read More](https://www.third-derivative.org/portfolio/ayrton-energy) [![](https://www.third-derivative.org/hubfs/baniql_web.png)](https://www.third-derivative.org/portfolio/baniql) ## [BANIQL](https://www.third-derivative.org/portfolio/baniql) using a low-energy, zero-waste extraction process to provide sustainable nickel and cobalt, essential for the global transition, to electric vehicle batteries. [Read More](https://www.third-derivative.org/portfolio/baniql) [![Binding Solutions Limited](https://www.third-derivative.org/hubfs/binding-solutions-logoArtboard%201.png)](https://www.third-derivative.org/portfolio/binding-solutions-limited) ## [Binding Solutions Limited](https://www.third-derivative.org/portfolio/binding-solutions-limited) Producing iron ore pellets without high temperatures, enabling the production of green steel at scale. [Read More](https://www.third-derivative.org/portfolio/binding-solutions-limited) [![Bloom Biorenewables](https://www.third-derivative.org/hubfs/bloom-logoArtboard%201.png)](https://www.third-derivative.org/portfolio/bloom-biorenewables) ## [Bloom Biorenewables](https://www.third-derivative.org/portfolio/bloom-biorenewables) Displacing fossil-based chemical feedstocks with renewable biomass derived feedstocks. [Read More](https://www.third-derivative.org/portfolio/bloom-biorenewables) [![](https://www.third-derivative.org/hubfs/black-symbol-logo.png)](https://www.third-derivative.org/portfolio/brimstone-energy) ## [Brimstone Energy](https://www.third-derivative.org/portfolio/brimstone-energy) Developing a CO2-free process to produce Portland cement, the exact same material that the industry uses today. [Read More](https://www.third-derivative.org/portfolio/brimstone-energy) [![Carbon Negative Solutions](https://www.third-derivative.org/hubfs/carbon-negative-solutions-logoArtboard%201.png)](https://www.third-derivative.org/portfolio/carbon-negative-solutions) ## [Carbon Negative Solutions](https://www.third-derivative.org/portfolio/carbon-negative-solutions) Mineralizing CO2 into industrial wastes to create carbon-negative supplementary cementitious materials (SCMs), reducing the need for cement while remediating ground/air pollution at industrial sites. [Read More](https://www.third-derivative.org/portfolio/carbon-negative-solutions) [![](https://www.third-derivative.org/hubfs/carbonade-logoArtboard%201.png)](https://www.third-derivative.org/portfolio/carbonade) ## [Carbonade](https://www.third-derivative.org/portfolio/carbonade) Facilitating the creation of carbon-derived commodities devoid of fossil fuel dependency. [Read More](https://www.third-derivative.org/portfolio/carbonade) [![](https://www.third-derivative.org/hubfs/carbonstrong_web.png)](https://www.third-derivative.org/portfolio/carbonstrong) ## [CarbonStrong](https://www.third-derivative.org/portfolio/carbonstrong) replacing cement with a low-carbon binder made from industrial waste, delivering 90% lower emissions and 30% lower costs than cement. [Read More](https://www.third-derivative.org/portfolio/carbonstrong) [![Cascade Bio](https://www.third-derivative.org/hubfs/cascade-bio-logoArtboard%201.png)](https://www.third-derivative.org/portfolio/cascade-bio) ## [Cascade Bio](https://www.third-derivative.org/portfolio/cascade-bio) Empowering enzymes—nature's catalysts—to change how molecules are made, displacing energy-intensive petrochemicals with renewable feedstocks to decarbonize the chemicals sector. [Read More](https://www.third-derivative.org/portfolio/cascade-bio) [![](https://www.third-derivative.org/hubfs/celadyne-logo.png)](https://www.third-derivative.org/portfolio/celadyne-technologies) ## [Celadyne Technologies](https://www.third-derivative.org/portfolio/celadyne-technologies) Developing a new proton exchange membrane (PEM) for use in fuel cells and electrolyzers. [Read More](https://www.third-derivative.org/portfolio/celadyne-technologies) [![CERT Systems](https://www.third-derivative.org/hubfs/cert-systems-logoArtboard%201.png)](https://www.third-derivative.org/portfolio/cert-systems) ## [CERT Systems](https://www.third-derivative.org/portfolio/cert-systems) Converting captured carbon dioxide into ethylene, an essential chemical, without the use of fossil fuels. [Read More](https://www.third-derivative.org/portfolio/cert-systems) [![](https://www.third-derivative.org/hubfs/chemfinity.png)](https://www.third-derivative.org/portfolio/chemfinity-technologies) ## [ChemFinity Technologies](https://www.third-derivative.org/portfolio/chemfinity-technologies) Creating new sorbent-based ways to efficiently refine over 20 critical minerals, projecting lower costs and 99% reductions in energy use and carbon emissions compared to traditional methods. [Read More](https://www.third-derivative.org/portfolio/chemfinity-technologies) [![](https://www.third-derivative.org/hubfs/climatewells-logo.png)](https://www.third-derivative.org/portfolio/climatewells) ## [ClimateWells](https://www.third-derivative.org/portfolio/climatewells) Preventing abandoned and orphaned oil and gas wells. [Read More](https://www.third-derivative.org/portfolio/climatewells) [![](https://www.third-derivative.org/hubfs/Climitra_web.png)](https://www.third-derivative.org/portfolio/climitra-carbon) ## [Climitra Carbon](https://www.third-derivative.org/portfolio/climitra-carbon) manufacturing high-grade bio-coal by utilizing waste biomass to enable low-cost effective decarbonization for Indian steel players, reducing emissions by ~90%. [Read More](https://www.third-derivative.org/portfolio/climitra-carbon) [![Cocoon Carbon](https://www.third-derivative.org/hubfs/cocoon-logoArtboard%201.png)](https://www.third-derivative.org/portfolio/cocoon-carbon) ## [Cocoon Carbon](https://www.third-derivative.org/portfolio/cocoon-carbon) Repurposing steel waste into low-carbon supplementary cementitious materials (SCMs) to reduce the carbon intensity of concrete. [Read More](https://www.third-derivative.org/portfolio/cocoon-carbon) [![](https://www.third-derivative.org/hubfs/Cura_web.png)](https://www.third-derivative.org/portfolio/cura) ## [CURA](https://www.third-derivative.org/portfolio/cura) producing cement with 85% less emissions through an ultra-low energy, retrofit-ready, electrochemical pre-calcination carbon capture technology. [Read More](https://www.third-derivative.org/portfolio/cura) [![](https://www.third-derivative.org/hubfs/determinant-materials-logo.png)](https://www.third-derivative.org/portfolio/determinant-materials) ## [Determinant Materials](https://www.third-derivative.org/portfolio/determinant-materials) Providing low-carbon, zero-waste critical metals needed for the climate transition. [Read More](https://www.third-derivative.org/portfolio/determinant-materials) [![DexMat](https://www.third-derivative.org/hubfs/dexmat--logoArtboard%201.png)](https://www.third-derivative.org/portfolio/dexmat) ## [DexMat](https://www.third-derivative.org/portfolio/dexmat) Producing a high-performance carbon nanomaterial with properties that can displace emissions-intensive materials including steel, copper, and aluminum. [Read More](https://www.third-derivative.org/portfolio/dexmat) [![](https://www.third-derivative.org/hubfs/dunia-innovations-logo-Artboard%201.png)](https://www.third-derivative.org/portfolio/dunia-innovations) ## [Dunia Innovations](https://www.third-derivative.org/portfolio/dunia-innovations) Integrating physics-informed AI with robotic automation, enabling the discovery of breakthrough electroactive materials 10x faster and at a third of the traditional R&D costs.   [Read More](https://www.third-derivative.org/portfolio/dunia-innovations) [![](https://www.third-derivative.org/hubfs/dynami-battery.png)](https://www.third-derivative.org/portfolio/dynami-battery) ## [Dynami Battery](https://www.third-derivative.org/portfolio/dynami-battery) Enabling 5x faster charging and higher capacity batteries using patented microstructuring technology that enhances battery physics. [Read More](https://www.third-derivative.org/portfolio/dynami-battery) [![](https://www.third-derivative.org/hubfs/electrogeneos_web.png)](https://www.third-derivative.org/portfolio/electrogenos) ## [Electrogenos](https://www.third-derivative.org/portfolio/electrogenos) Solving the trade-off between cost, efficiency, and durability that prevents green hydrogen from decarbonising heavy industry. [Read More](https://www.third-derivative.org/portfolio/electrogenos) [![Elementium Materials](https://www.third-derivative.org/hubfs/elementium-logoArtboard%201.png)](https://www.third-derivative.org/portfolio/elementium-materials) ## [Elementium Materials](https://www.third-derivative.org/portfolio/elementium-materials) Enabling high performance, affordable batteries that can power every aspect of the energy transition from mobility to grid storage, to the future of AI, robotics, electronics, and defense. [Read More](https://www.third-derivative.org/portfolio/elementium-materials) [![](https://www.third-derivative.org/hubfs/enchi-logo.png)](https://www.third-derivative.org/portfolio/enchi-corporation) ## [Enchi Corporation](https://www.third-derivative.org/portfolio/enchi-corporation) Driving the next generation of biofuels, starting with non-food cellulosic ethanol. [Read More](https://www.third-derivative.org/portfolio/enchi-corporation) [![](https://www.third-derivative.org/hubfs/energy-integration-logo.png)](https://www.third-derivative.org/portfolio/energy-integration-inc) ## [Energy Integration Inc.](https://www.third-derivative.org/portfolio/energy-integration-inc) Designing and installing mechanical vapor recompression (MVR) systems for efficient, electrified, decarbonized biofuels production. [Read More](https://www.third-derivative.org/portfolio/energy-integration-inc) [![](https://www.third-derivative.org/hubfs/envicore-logo.png)](https://www.third-derivative.org/portfolio/envicore) ## [EnviCore](https://www.third-derivative.org/portfolio/envicore) Repurposing waste minerals into cementitious materials to replace cement by up to 30% and reduce associated CO2 emissions by 85%. [Read More](https://www.third-derivative.org/portfolio/envicore) [![](https://www.third-derivative.org/hubfs/enzinc.png)](https://www.third-derivative.org/portfolio/enzinc) ## [Enzinc](https://www.third-derivative.org/portfolio/enzinc) Delivering high performance, safe, recyclable, and cost effective energy storage globally using existing legacy lead-acid battery factories. [Read More](https://www.third-derivative.org/portfolio/enzinc) [![](https://www.third-derivative.org/hubfs/eme-logo.png)](https://www.third-derivative.org/portfolio/excess-materials-exchange) ## [Excess Materials Exchange](https://www.third-derivative.org/portfolio/excess-materials-exchange) Acting as a dating-site for secondary materials and waste by identifying high value next uses that save materials from landfill and incineration. [Read More](https://www.third-derivative.org/portfolio/excess-materials-exchange) [![](https://www.third-derivative.org/hubfs/Fermi%20Energy_web.png)](https://www.third-derivative.org/portfolio/fermi-energy) ## [Fermi Energy](https://www.third-derivative.org/portfolio/fermi-energy) Creating a low-temperature cathode active material platform that reduces CAPEX by ~75% and energy use by ~80% , enabling about $200M in annual cost savings for a 100 kTPA manufacturing facility. [Read More](https://www.third-derivative.org/portfolio/fermi-energy) [![](https://www.third-derivative.org/hubfs/iron-logo.png)](https://www.third-derivative.org/portfolio/ferrum-technologies) ## [Ferrum Technologies](https://www.third-derivative.org/portfolio/ferrum-technologies) Decarbonizing global steel production cost competitively with the vision to eliminate the 3 Gt CO2 emitted by the industry every year. [Read More](https://www.third-derivative.org/portfolio/ferrum-technologies) [![](https://www.third-derivative.org/hubfs/fsc-tech-logo.png)](https://www.third-derivative.org/portfolio/fsc-technologies) ## [FSC Technologies](https://www.third-derivative.org/portfolio/fsc-technologies) Delivering a cost effective and environmentally sustainable technology to the concrete construction industry by replacing steel reinforcement with new FRP technology and utilizing low carbon cements. [Read More](https://www.third-derivative.org/portfolio/fsc-technologies) [![](https://www.third-derivative.org/hubfs/spiral-geometric-company-logo.png)](https://www.third-derivative.org/portfolio/geminus-ai) ## [Geminus.AI](https://www.third-derivative.org/portfolio/geminus-ai) Fusing physics and AI to accurately predict future system behavior, enabling peak energy optimization of today's processes and faster scale-up of tomorrow's transformative climate technologies. [Read More](https://www.third-derivative.org/portfolio/geminus-ai) [![](https://www.third-derivative.org/hubfs/Giraffe%20Bio_web.png)](https://www.third-derivative.org/portfolio/giraffe-bio) ## [Giraffe Bio](https://www.third-derivative.org/portfolio/giraffe-bio) unlocking higher metal recovery from existing mines, reducing waste, water use, and the need for new mining projects. [Read More](https://www.third-derivative.org/portfolio/giraffe-bio) [![](https://www.third-derivative.org/hubfs/Gree%20Energy_web.png)](https://www.third-derivative.org/portfolio/gree-energy) ## [GREE Energy](https://www.third-derivative.org/portfolio/gree-energy) Unlocking 100M+ MMBtu of policy-driven clean molecule demand in Asia by converting palm mill waste into certified bio-liquefied natural gas (BioLNG) at modular, bankable hubs. [Read More](https://www.third-derivative.org/portfolio/gree-energy) [![GreenJams](https://www.third-derivative.org/hubfs/greenjams-logoArtboard%201.png)](https://www.third-derivative.org/portfolio/greenjams) ## [GreenJams](https://www.third-derivative.org/portfolio/greenjams) Transforming agricultural and industrial wastes into carbon-negative bio-concrete. [Read More](https://www.third-derivative.org/portfolio/greenjams) [![GreenLIB Materials](https://www.third-derivative.org/hubfs/greenlib-logoArtboard%201.png)](https://www.third-derivative.org/portfolio/greenlib-materials) ## [GreenLIB Materials](https://www.third-derivative.org/portfolio/greenlib-materials) Reclaiming critical battery metals from waste, cutting CO₂ by 73%, and accelerating circular economy solutions for electrification. [Read More](https://www.third-derivative.org/portfolio/greenlib-materials) [![Greenore](https://www.third-derivative.org/hubfs/green-ore-logoArtboard%201.png)](https://www.third-derivative.org/portfolio/greenore) ## [Greenore](https://www.third-derivative.org/portfolio/greenore) Converting iron and steel waste into valuable products — precipitated calcium carbonate (PCC) and supplementary cementitious materials (SCMs) — while capturing and safely storing waste CO2. [Read More](https://www.third-derivative.org/portfolio/greenore) [![](https://www.third-derivative.org/hubfs/gricd-logo.png)](https://www.third-derivative.org/portfolio/gricd) ## [Gricd](https://www.third-derivative.org/portfolio/gricd) Tackling the challenge of cold chain logistics for agricultural and pharmaceutical suppliers across sub-Saharan Africa and South Asia. [Read More](https://www.third-derivative.org/portfolio/gricd) [![](https://www.third-derivative.org/hubfs/heat-minus-1-logoArtboard%201.png)](https://www.third-derivative.org/portfolio/heat-inverse) ## [Heat Inverse](https://www.third-derivative.org/portfolio/heat-inverse) Providing easily-deployable cooling films to increase efficiency and asset lifetimes across industries at the crux of the energy, food, and water nexus: power, F&B, EVs, buildings, and more. [Read More](https://www.third-derivative.org/portfolio/heat-inverse) [![Helios](https://www.third-derivative.org/hubfs/helios-logoArtboard%201.png)](https://www.third-derivative.org/portfolio/helios) ## [Helios](https://www.third-derivative.org/portfolio/helios) Producing green iron with a novel carbon-free iron reduction method that costs less, is easy to deploy, and has zero direct emissions—enabling green steel production without a green premium. [Read More](https://www.third-derivative.org/portfolio/helios) [![](https://www.third-derivative.org/hubfs/helix-logo-Artboard%201.png)](https://www.third-derivative.org/portfolio/helix-carbon) ## [Helix Carbon](https://www.third-derivative.org/portfolio/helix-carbon) Transforming CO2 into valuable feedstocks using energy-efficient technology, making sustainable production economically viable and scalable. [Read More](https://www.third-derivative.org/portfolio/helix-carbon) [![Hertha Metals, Inc.](https://www.third-derivative.org/hubfs/hertha-logoArtboard%201.png)](https://www.third-derivative.org/portfolio/hertha-metals-inc) ## [Hertha Metals, Inc.](https://www.third-derivative.org/portfolio/hertha-metals-inc) Rapidly scaling technology to produce coal-free steel, dramatically reducing the carbon emissions of steel manufacturing. [Read More](https://www.third-derivative.org/portfolio/hertha-metals-inc) [![](https://www.third-derivative.org/hubfs/hydgen.png)](https://www.third-derivative.org/portfolio/hydgen) ## [HYDGEN](https://www.third-derivative.org/portfolio/hydgen) Enabling industries to switch from fossil-derived hydrogen to on-site, zero-emission alternatives with faster deployment and lower cost. [Read More](https://www.third-derivative.org/portfolio/hydgen) [![](https://www.third-derivative.org/hubfs/Hymonic_web.png)](https://www.third-derivative.org/portfolio/hymonic) ## [Hymonic](https://www.third-derivative.org/portfolio/hymonic) Solving the hydrogen logistics challenge by tapping into ammonia, the world's leading hydrogen carrier molecule, to deliver low-cost fuel to hard-to-abate sectors. [Read More](https://www.third-derivative.org/portfolio/hymonic) [![HyperHeat](https://www.third-derivative.org/hubfs/hyperheat-logoArtboard%201.png)](https://www.third-derivative.org/portfolio/hyperheat) ## [HyperHeat](https://www.third-derivative.org/portfolio/hyperheat) Providing an efficient alternative to fossil fuel combustion for 99% of all industrial heat applications in the cement, steel, and chemicals sectors. [Read More](https://www.third-derivative.org/portfolio/hyperheat) [![](https://www.third-derivative.org/hubfs/ibeam-logo.png)](https://www.third-derivative.org/portfolio/ibeam-materials) ## [iBeam Materials](https://www.third-derivative.org/portfolio/ibeam-materials) Developing a transformative new manufacturing technology for low-cost, high-efficiency, LED light. [Read More](https://www.third-derivative.org/portfolio/ibeam-materials) [![](https://www.third-derivative.org/hubfs/iris-logo.png)](https://www.third-derivative.org/portfolio/iris-light-technologies) ## [Iris Light Technologies](https://www.third-derivative.org/portfolio/iris-light-technologies) Developing a tunable laser that can be printed directly onto semiconductor chips for improved data center efficiency. [Read More](https://www.third-derivative.org/portfolio/iris-light-technologies) [![](https://www.third-derivative.org/hubfs/kanin-energy-logo.png)](https://www.third-derivative.org/portfolio/kanin-energy) ## [Kanin Energy](https://www.third-derivative.org/portfolio/kanin-energy) Helping industrial clients capture waste heat to produce clean, baseload power using an organic rankine cycle generator. [Read More](https://www.third-derivative.org/portfolio/kanin-energy) [![](https://www.third-derivative.org/hubfs/kelp-island-logo.png)](https://www.third-derivative.org/portfolio/kelp-island) ## [Kelp Island](https://www.third-derivative.org/portfolio/kelp-island) Developing floating, interlocking bricks made of a high-strength kelp composite to decarbonize the marine construction sector using sequestered biomass. [Read More](https://www.third-derivative.org/portfolio/kelp-island) [![Kraftblock](https://www.third-derivative.org/hubfs/kraft-block-logoArtboard%201.png)](https://www.third-derivative.org/portfolio/kraftblock) ## [Kraftblock](https://www.third-derivative.org/portfolio/kraftblock) Providing thermal storage for high-heat industrial processes that typically rely on fossil fuels, which reduces emissions and improves the economics of direct electrification. [Read More](https://www.third-derivative.org/portfolio/kraftblock) [![](https://www.third-derivative.org/hubfs/krosslinker-logo.png)](https://www.third-derivative.org/portfolio/krosslinker) ## [Krosslinker](https://www.third-derivative.org/portfolio/krosslinker) Leveraging the power of aerogels to build sustainable and energy efficient solutions. [Read More](https://www.third-derivative.org/portfolio/krosslinker) [![](https://www.third-derivative.org/hubfs/LAYRR_web.png)](https://www.third-derivative.org/portfolio/layrr) ## [LAYRR](https://www.third-derivative.org/portfolio/layrr) Engineering atomic-level surface coatings for bulk metal powders to resolve critical heat bottlenecks, radically decarbonising the hardware supply chain for advanced computing and electric vehicles. [Read More](https://www.third-derivative.org/portfolio/layrr) [![Mana Battery](https://www.third-derivative.org/hubfs/mana-battery-logoArtboard%201.png)](https://www.third-derivative.org/portfolio/mana-battery) ## [Mana Battery](https://www.third-derivative.org/portfolio/mana-battery) Enabling best-in-class cost, safety, and performance for the grid energy storage system and low-cost electric vehicle markets. [Read More](https://www.third-derivative.org/portfolio/mana-battery) [![](https://www.third-derivative.org/hubfs/m-li-logo.png)](https://www.third-derivative.org/portfolio/mangrove-lithium) ## [Mangrove Lithium](https://www.third-derivative.org/portfolio/mangrove-lithium) Developing an electrochemical technology that enables the lowest-cost production of lithium hydroxide, commonly used for electric vehicles, electronics, and renewable energy storage. [Read More](https://www.third-derivative.org/portfolio/mangrove-lithium) [![](https://www.third-derivative.org/hubfs/mantel-logo-Artboard%201.png)](https://www.third-derivative.org/portfolio/mantel-capture) ## [Mantel Capture](https://www.third-derivative.org/portfolio/mantel-capture) Tackling high CO2 emissions and energy inefficiency in industrial processes with innovative, cost-effective carbon capture solutions. [Read More](https://www.third-derivative.org/portfolio/mantel-capture) [![](https://www.third-derivative.org/hubfs/Membravo%20Logo%20High%20Contrast.png)](https://www.third-derivative.org/portfolio/membravo) ## [Membravo](https://www.third-derivative.org/portfolio/membravo) Increasing revenue, reducing costs, and improving throughput across industrial processes with robust polymer membranes — enabling efficient separations in critical materials, helium, chemicals, semiconductors, energy, and water systems. [Read More](https://www.third-derivative.org/portfolio/membravo) [![](https://www.third-derivative.org/hubfs/membrion-logo.png)](https://www.third-derivative.org/portfolio/membrion) ## [Membrion](https://www.third-derivative.org/portfolio/membrion) Producing low-cost, high-performance ion-exchange membranes for water purification, redox flow batteries, and hydrogen electrolyzers and fuel cells. [Read More](https://www.third-derivative.org/portfolio/membrion) [![](https://www.third-derivative.org/hubfs/metal-light-logoArtboard%201.png)](https://www.third-derivative.org/portfolio/metal-light) ## [Metal Light](https://www.third-derivative.org/portfolio/metal-light) Creating a sustainable, affordable alternative to diesel generators using abundant metals as fuel. [Read More](https://www.third-derivative.org/portfolio/metal-light) [![](https://www.third-derivative.org/hubfs/mirico.png)](https://www.third-derivative.org/portfolio/mirico) ## [Mirico](https://www.third-derivative.org/portfolio/mirico) Giving unprecedented insight into the "what, where, when and why" of greenhouse emissions from industrial infrastructure. [Read More](https://www.third-derivative.org/portfolio/mirico) [![](https://www.third-derivative.org/hubfs/mission-zero-logo.png)](https://www.third-derivative.org/portfolio/mission-zero-technologies) ## [Mission Zero Technologies](https://www.third-derivative.org/portfolio/mission-zero-technologies) Enabling the removal of CO2 from air for much lower costs and energy footprints than possible with other technologies today. [Read More](https://www.third-derivative.org/portfolio/mission-zero-technologies) [![](https://www.third-derivative.org/hubfs/mycl-logo.png)](https://www.third-derivative.org/portfolio/mycotech-labs) ## [Mycotech Labs](https://www.third-derivative.org/portfolio/mycotech-labs) Producing vegan leather from crop waste and mushrooms. [Read More](https://www.third-derivative.org/portfolio/mycotech-labs) [![](https://www.third-derivative.org/hubfs/nanoweave_web.png)](https://www.third-derivative.org/portfolio/nanoweave) ## [Nanoweave](https://www.third-derivative.org/portfolio/nanoweave) Nanoweave converts an annual 4+ billiong ton agricultural waste issue into a revenue stream for farmers and a climate-positive material for the pulp, packaging, hygiene, and textile industries. [Read More](https://www.third-derivative.org/portfolio/nanoweave) [![](https://www.third-derivative.org/hubfs/neutreeno_web.png)](https://www.third-derivative.org/portfolio/neutreeno) ## [Neutreeno](https://www.third-derivative.org/portfolio/neutreeno) Delivering action-grade supply chain emissions data that enables decarbonisation at scale, replacing 18-month LCAs with real-time intelligence that turns insight into operational decisions in weeks. [Read More](https://www.third-derivative.org/portfolio/neutreeno) [![NOC Energy](https://www.third-derivative.org/hubfs/noc-energy-logoArtboard%201.png)](https://www.third-derivative.org/portfolio/noc-energy) ## [NOC Energy](https://www.third-derivative.org/portfolio/noc-energy) Enabling industries to replace fossil fuels with renewable electricity for high-temperature industrial heat. [Read More](https://www.third-derivative.org/portfolio/noc-energy) [![](https://www.third-derivative.org/hubfs/noohra-logo.png)](https://www.third-derivative.org/portfolio/noohra) ## [Noohra](https://www.third-derivative.org/portfolio/noohra) Developing a patented hyperspectral technology that enables the first cost-effective, accurate and simultaneous measurement of CH4, CO2, N2O and other greenhouse gas emissions from satellite, drone and ground platforms. [Read More](https://www.third-derivative.org/portfolio/noohra) [![](https://www.third-derivative.org/hubfs/nopo-nanotech.png)](https://www.third-derivative.org/portfolio/nopo-nanotechnologies) ## [NoPo Nanotechnologies](https://www.third-derivative.org/portfolio/nopo-nanotechnologies) Enabling energy-efficiency in batteries, electronics, membranes, and polymers using single walled carbon nanotubes (SWCNTs), highly conductive materials with exceptional strength and thermal conductivity. [Read More](https://www.third-derivative.org/portfolio/nopo-nanotechnologies) [![](https://www.third-derivative.org/hubfs/offgrid-energy-labs-logoArtboard%201.png)](https://www.third-derivative.org/portfolio/offgrid-energy-labs) ## [Offgrid Energy Labs](https://www.third-derivative.org/portfolio/offgrid-energy-labs) Developing and commercializing the most efficient and affordable zinc battery technology, ZincGel, primarily for stationary energy storage applications. [Read More](https://www.third-derivative.org/portfolio/offgrid-energy-labs) [![](https://www.third-derivative.org/hubfs/kom-wrks-labs-logo.png)](https://www.third-derivative.org/portfolio/okom-wrks-labs) ## [okom wrks labs](https://www.third-derivative.org/portfolio/okom-wrks-labs) Creating the world's strongest carbon-storing mycelium based composite capable of serving in load-bearing and non load-bearing applications in the built environment. [Read More](https://www.third-derivative.org/portfolio/okom-wrks-labs) [![](https://www.third-derivative.org/hubfs/onewatt-logo.png)](https://www.third-derivative.org/portfolio/onewatt) ## [OneWatt](https://www.third-derivative.org/portfolio/onewatt) Using non-invasive sensors combined with AI to monitor motor performance and predict maintenance issues at industrial plants. [Read More](https://www.third-derivative.org/portfolio/onewatt) [![](https://www.third-derivative.org/hubfs/oort-energy.png)](https://www.third-derivative.org/portfolio/oort-energy) ## [Oort Energy](https://www.third-derivative.org/portfolio/oort-energy) Enabling scalable green hydrogen production for hard-to-decarbonize sectors like aviation and heavy industry using high-efficiency, low-cost proton exchange membrane (PEM) electrolysers. [Read More](https://www.third-derivative.org/portfolio/oort-energy) [![](https://www.third-derivative.org/hubfs/Ossus_web.png)](https://www.third-derivative.org/portfolio/ossus-biorenewables) ## [Ossus Biorenewables](https://www.third-derivative.org/portfolio/ossus-biorenewables) Converting wastewater into on-site green hydrogen, eliminating the need for fresh water, large renewable infrastructure, and long deployment timelines. [Read More](https://www.third-derivative.org/portfolio/ossus-biorenewables) [![](https://www.third-derivative.org/hubfs/oxylus.png)](https://www.third-derivative.org/portfolio/oxylus-energy) ## [Oxylus Energy](https://www.third-derivative.org/portfolio/oxylus-energy) Converting CO2 into carbon neutral fuels and chemical feedstocks for a decarbonized future. [Read More](https://www.third-derivative.org/portfolio/oxylus-energy) [![](https://www.third-derivative.org/hubfs/a-logo.png)](https://www.third-derivative.org/portfolio/planet-a-energy) ## [Planet A Energy](https://www.third-derivative.org/portfolio/planet-a-energy) Collecting and storing solar energy for when its needed, for up to months at a time, enabling our planet to truly retire fossil fuel power plants. [Read More](https://www.third-derivative.org/portfolio/planet-a-energy) [![](https://www.third-derivative.org/hubfs/power-to-hydrogen-logo.png)](https://www.third-derivative.org/portfolio/p2h2) ## [Power to Hydrogen (P2H2)](https://www.third-derivative.org/portfolio/p2h2) Delivering technology to make clean hydrogen competitive with fossil fuels to decarbonize mobility, industry, and power production. [Read More](https://www.third-derivative.org/portfolio/p2h2) [![](https://www.third-derivative.org/hubfs/purifire-energy-logo-Artboard%201.png)](https://www.third-derivative.org/portfolio/purifire-energy) ## [PuriFire Energy](https://www.third-derivative.org/portfolio/purifire-energy) Producing green methanol resulting in a a 95% reduction from fossil-based grey methanol, emitting 7x less CO2 than diesel and 84x times less CO2 than natural gas. [Read More](https://www.third-derivative.org/portfolio/purifire-energy) [![](https://www.third-derivative.org/hubfs/pwr-cor-logo.png)](https://www.third-derivative.org/portfolio/pwrcor) ## [PwrCor](https://www.third-derivative.org/portfolio/pwrcor) Capturing and reducing heat being dumped into the environment, and using that heat energy to reduce legacy power pollution and generate green, emission-free electric power. [Read More](https://www.third-derivative.org/portfolio/pwrcor) [![Reclinker Logo](https://www.third-derivative.org/hubfs/reclinker-logo-new.png)](https://www.third-derivative.org/portfolio/reclinker) ## [Reclinker](https://www.third-derivative.org/portfolio/reclinker) Creating a circular model to recycle cement using existing industrial infrastructure in the steel sector. [Read More](https://www.third-derivative.org/portfolio/reclinker) [![](https://www.third-derivative.org/hubfs/renewable-metals-logo.png)](https://www.third-derivative.org/portfolio/renewable-metals) ## [Renewable Metals](https://www.third-derivative.org/portfolio/renewable-metals) Developing a new way to cost-effectively recycle all types of lithium batteries with high metal recovery and no chemical by-products. [Read More](https://www.third-derivative.org/portfolio/renewable-metals) [![Rubi Laboratories](https://www.third-derivative.org/hubfs/rubi-logoArtboard%201.png)](https://www.third-derivative.org/portfolio/rubi-laboratories) ## [Rubi Laboratories](https://www.third-derivative.org/portfolio/rubi-laboratories) Decarbonizing essential chemicals and materials through a carbon-to-materials enzymatic platform with ultra-low carbon, water, land, and energy footprints. [Read More](https://www.third-derivative.org/portfolio/rubi-laboratories) [![SaltX Technology](https://www.third-derivative.org/hubfs/saltx--logoArtboard%201.png)](https://www.third-derivative.org/portfolio/saltx-technology) ## [SaltX Technology](https://www.third-derivative.org/portfolio/saltx-technology) Utilizing plasma, the fourth state of matter, to achieve the ultra-high temperatures needed to produce cement without fossil fuels. [Read More](https://www.third-derivative.org/portfolio/saltx-technology) [![](https://www.third-derivative.org/hubfs/seeo2-logo.png)](https://www.third-derivative.org/portfolio/seeo2-energy) ## [SeeO2 Energy](https://www.third-derivative.org/portfolio/seeo2-energy) Efficiently converting carbon dioxide (CO2) and/or water into marketable and clean value-added products using reversible fuel cell technology. [Read More](https://www.third-derivative.org/portfolio/seeo2-energy) [![Sensytec](https://www.third-derivative.org/hubfs/sensytec-logoArtboard%201.png)](https://www.third-derivative.org/portfolio/sensytec) ## [Sensytec](https://www.third-derivative.org/portfolio/sensytec) Using sensors to optimize concrete mixes, reduce embodied carbon, and minimize testing waste. [Read More](https://www.third-derivative.org/portfolio/sensytec) [![](https://www.third-derivative.org/hubfs/sironix-logo.png)](https://www.third-derivative.org/portfolio/sironix-renewables) ## [Sironix Renewables](https://www.third-derivative.org/portfolio/sironix-renewables) Offering a bio-based technology to cleaning brands, producers, and consumers to reduce the environmental footprint of a huge industry—allowing all to shop a product that fulfills all needs: sustainability, safety and performance. [Read More](https://www.third-derivative.org/portfolio/sironix-renewables) [![](https://www.third-derivative.org/hubfs/skyvent-technologies-logo.png)](https://www.third-derivative.org/portfolio/skyven) ## [Skyven](https://www.third-derivative.org/portfolio/skyven) Delivering low-carbon industrial process heat as a service. [Read More](https://www.third-derivative.org/portfolio/skyven) [![Solid Carbon](https://www.third-derivative.org/hubfs/solid-carbon-logoArtboard%201.png)](https://www.third-derivative.org/portfolio/solid-carbon) ## [Solid Carbon](https://www.third-derivative.org/portfolio/solid-carbon) Using carbon-negative biochar-based ingredients to transform the built environment into a massive carbon sink, turning concrete from a climate problem into a climate solution. [Read More](https://www.third-derivative.org/portfolio/solid-carbon) [![](https://www.third-derivative.org/hubfs/solidec_web.png)](https://www.third-derivative.org/portfolio/solidec) ## [Solidec](https://www.third-derivative.org/portfolio/solidec) Bypassing the carbon-intensive chemical logistics industry and decarbonizing production by using electrified reactors to synthesize essential chemicals from only air, water, and electricity. [Read More](https://www.third-derivative.org/portfolio/solidec) [![](https://www.third-derivative.org/hubfs/stillbright-logoArtboard%201.png)](https://www.third-derivative.org/portfolio/still-bright) ## [Still Bright](https://www.third-derivative.org/portfolio/still-bright) Developing an electrochemical technology to produce metals needed for the energy transition. [Read More](https://www.third-derivative.org/portfolio/still-bright) [![](https://www.third-derivative.org/hubfs/summit-nanotech-logo.png)](https://www.third-derivative.org/portfolio/summit-nanotech) ## [Summit Nanotech](https://www.third-derivative.org/portfolio/summit-nanotech) Developing a novel low-cost, direct lithium extraction (DLE) process that avoids the need for evaporation ponds and large chemical-based refineries. [Read More](https://www.third-derivative.org/portfolio/summit-nanotech) [![SUN METALON](https://www.third-derivative.org/hubfs/sun-metalon-logoArtboard%201.png)](https://www.third-derivative.org/portfolio/sun-metalon) ## [SUN METALON](https://www.third-derivative.org/portfolio/sun-metalon) Enabling cost-effective, sustainable metal recycling without the quality degradation of traditional recycling methods. [Read More](https://www.third-derivative.org/portfolio/sun-metalon) [![Tereform, Inc.](https://www.third-derivative.org/hubfs/tereform-logoArtboard%201.png)](https://www.third-derivative.org/portfolio/tereform-inc) ## [Tereform, Inc.](https://www.third-derivative.org/portfolio/tereform-inc) Chemically recycling synthetic textiles—which are made from petrochemicals—with an energy efficient process, diverting materials from landfills and reducing demand for new carbon-intensive materials. [Read More](https://www.third-derivative.org/portfolio/tereform-inc) [![Theseus Development](https://www.third-derivative.org/hubfs/theseus-development-logoArtboard%201.png)](https://www.third-derivative.org/portfolio/theseus-development) ## [Theseus Development](https://www.third-derivative.org/portfolio/theseus-development) Producing sustainable, interlocking concrete blocks without traditional cement, concrete's most emissions-intensive ingredient, to accelerate the transition to a green built environment. [Read More](https://www.third-derivative.org/portfolio/theseus-development) [![](https://www.third-derivative.org/hubfs/torus-robotics.png)](https://www.third-derivative.org/portfolio/torus-robotics) ## [Torus Robotics](https://www.third-derivative.org/portfolio/torus-robotics) Delivering ultra-efficient, compact axial flux motors and drives that drastically reduce energy use in industrial HVAC and mobility applications. [Read More](https://www.third-derivative.org/portfolio/torus-robotics) [![](https://www.third-derivative.org/hubfs/tozero-logo.png)](https://www.third-derivative.org/portfolio/tozero) ## [tozero](https://www.third-derivative.org/portfolio/tozero) Building the ultimate lithium-ion battery recycling machine, recovering essential materials like lithium, nickel, cobalt, and graphite. [Read More](https://www.third-derivative.org/portfolio/tozero) [![Urban Mining Industries](https://www.third-derivative.org/hubfs/urban-mining-industries-logoArtboard%201.png)](https://www.third-derivative.org/portfolio/urban-mining-industries) ## [Urban Mining Industries](https://www.third-derivative.org/portfolio/urban-mining-industries) Repurposing waste glass into a low-carbon cement replacement that improves concrete durability, impermeability, and mitigation of the urban heat island effect. [Read More](https://www.third-derivative.org/portfolio/urban-mining-industries) [![](https://www.third-derivative.org/hubfs/utvyakta-logo.png)](https://www.third-derivative.org/portfolio/utvyakta-solutions) ## [Utvyakta Solutions](https://www.third-derivative.org/portfolio/utvyakta-solutions) Enabling intelligence for air compressors. [Read More](https://www.third-derivative.org/portfolio/utvyakta-solutions) [![](https://www.third-derivative.org/hubfs/versgen-logo.png)](https://www.third-derivative.org/portfolio/versogen) ## [Versogen](https://www.third-derivative.org/portfolio/versogen) Producing green hydrogen at scale—reliably and affordably. [Read More](https://www.third-derivative.org/portfolio/versogen) [![](https://www.third-derivative.org/hubfs/blue-teal-triangle-company-logo.png)](https://www.third-derivative.org/portfolio/project-vesta) ## [Vesta](https://www.third-derivative.org/portfolio/project-vesta) Harnessing the power of the oceans to remove excess CO2 from the atmosphere. [Read More](https://www.third-derivative.org/portfolio/project-vesta) [![Via Separations](https://www.third-derivative.org/hubfs/via-separations-logoArtboard%201.png)](https://www.third-derivative.org/portfolio/via-separations) ## [Via Separations](https://www.third-derivative.org/portfolio/via-separations) Lowering the embodied carbon of everyday products and materials by replacing thermal separations, a key process to separate substances based on boiling points, with an electrified filtration process. [Read More](https://www.third-derivative.org/portfolio/via-separations) [![Volexion](https://www.third-derivative.org/hubfs/volexion-logoArtboard%201.png)](https://www.third-derivative.org/portfolio/volexion) ## [Volexion](https://www.third-derivative.org/portfolio/volexion) Making lithium-ion batteries better, safer, and 35% cheaper through driving cathode material improvements and enabling next generation materials and battery manufacturing. [Read More](https://www.third-derivative.org/portfolio/volexion) [![](https://www.third-derivative.org/hubfs/xfuel-logo-Artboard%201.png)](https://www.third-derivative.org/portfolio/xfuel) ## [XFuel](https://www.third-derivative.org/portfolio/xfuel) Disrupting sustainable fuel markets with a breakthrough, scalabe, low-cost conversion technology to produce high-grade transportation fuel from waste material with certified GHG savings [Read More](https://www.third-derivative.org/portfolio/xfuel) [![](https://www.third-derivative.org/hubfs/xl-batteries-logo.png)](https://www.third-derivative.org/portfolio/xl-batteries) ## [XL Batteries](https://www.third-derivative.org/portfolio/xl-batteries) Developing a novel chemistry for a 20+ year, non-flammable flow battery. [Read More](https://www.third-derivative.org/portfolio/xl-batteries) [![Zethos](https://www.third-derivative.org/hubfs/Zethos_web.png)](https://www.third-derivative.org/portfolio/zethos) ## [Zethos](https://www.third-derivative.org/portfolio/zethos) Enabling net-zero critical minerals with a novel hydrogen-based metal refining process that slashes cost, energy use and carbon emissions without compromising performance. [Read More](https://www.third-derivative.org/portfolio/zethos) APPLY TODAY: ### Accelerate your success and speed to market with us We’re here to help you bridge critical finance and resource gaps by uniting and aligning the world’s most promising climate tech startups—like you—with D3’s network of committed investors, corporate partners, market experts, and mentors. 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