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Startup Portfolio: Cohort 417

Meet Our Latest Startups: Cohorts 22-2 and 22-3!

As part of our effort to move the needle—and the market—on climate tech, D3 is proud to announce Cohorts 22-2 and 22-3. Alongside a general cohort (22-2) comprising 29 promising climate tech startups, we’re also excited to introduce our first focused cohort of 5 additional startups (22-3) zeroing in on a critical area: carbon dioxide removal (CDR).

3E Nano

Making low-E window coatings up to 50% cheaper than traditional alternatives.

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Antora Energy

Building inexpensive long-duration energy storage using high-efficiency thermophotovoltaics.

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Banyan Infrastructure

Making it easier for lenders and borrowers to finance sustainable infrastructure projects.

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betteries AMPS GmbH

Providing mobile, modular, and multipurpose power systems based on upcycling EV batteries.

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Blue Frontier

Reducing air conditioning-related energy consumption up to 90%.

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BlueDot Photonics

Enabling perovskite-based photovoltaics that improve the efficiency and durability and lower the costs of solar energy.

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Celadyne Technologies

Developing a new proton exchange membrane (PEM) for use in fuel cells and electrolyzers.

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Darcy Solutions

Boosting the efficiency, reducing cost, and reducing the number of boreholes needed for ground-source heat pumps.

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Digital Harvest

Using machine learning technology to enhance agricultural yields and increase profits for sustainable agriculture farmers.

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ecountabl

Democratizing access to corporate social and environmental performance data to empower consumers' purchasing decisions.

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Energy Dome

Developing a low-cost and efficient system for long-duration electricity storage using liquid CO2.

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Energy Integration Inc.

Designing and installing mechanical vapor recompression (MVR) systems for efficient, electrified, decarbonized biofuels production.

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Flair

Developing a connected smart device that allows mini-split air conditioners to participate in utility demand response programs, as well as a smart vent that enables room-by-room temperature control and improved intelligence.

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Frost Methane

Helping to identify and neutralize concentrated sources of methane worldwide, including larger anthropogenic methane sources such as abandoned and active coal mines.

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Gricd

Tackling the challenge of cold chain logistics for agricultural and pharmaceutical suppliers across sub-Saharan Africa and South Asia.

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iBeam Materials

Developing a transformative new manufacturing technology for low-cost, high-efficiency, LED light.

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Ionic Liquid

Replacing HFC refrigerants with proprietary additives that allow practical use of carbon dioxide as a cooling system refrigerant.

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Iris Light Technologies

Developing a tunable laser that can be printed directly onto semiconductor chips for improved data center efficiency.

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Kanin Energy

Helping industrial clients capture waste heat to produce clean, baseload power using an organic rankine cycle generator.

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LimeLoop

Reinventing shipping through upcycled reusable packaging materials and a single app that streamlines shipping logistics and security, and enables customers to track their assets and environmental impact.

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LoadExx

Providing reliable, electrified choices for last-mile delivery of goods across India.

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M2 Thermal Solutions

Developing refrigerant-free AC systems using novel membranes to remove water vapor.

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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.

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Membrion

Producing low-cost, high-performance ion-exchange membranes for water purification, redox flow batteries, and hydrogen electrolyzers and fuel cells.

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Mission Zero Technologies

Enabling the removal of CO2 from air for much lower costs and energy footprints than possible with other technologies today.

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Mootral

Developing a natural feed supplement that significantly reduces methane emissions from ruminants (e.g., cattle).

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Mycotech Labs

Producing vegan leather from crop waste and mushrooms.

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Myst AI

Leveraging AI for hyper-accurate electricity demand and renewable generation forecasts, supporting low-carbon power grids.

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NCX

Reimagining forest carbon credits to unlock millions of acres of land that was previously excluded from carbon marketplaces.

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Nithio Holdings

Solving the most thorny constraints to reaching scale for deploying pay-to-go energy service financing in sub-Sahara Africa.

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OneWatt

Using non-invasive sensors combined with AI to monitor motor performance and predict maintenance issues at industrial plants.

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Rebound Technologies

Developing an innovative freeze point suppression refrigeration cycle to increase throughput and operational efficiency to frozen food processors and cold storage and distribution facilities.

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Reeddi

Improving energy access by providing reliable power to customers using a low-cost, on-demand solar kiosk battery-charging module.

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rePurpose Global

Channeling critical financing towards innovations to solve the plastic problem by redesigning and reducing the use of plastic altogether.

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RIZOME

Achieving cost parity with wood to provide a fungible structural alternative with significant social, economic, and environmental benefits as a building material.

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SeeO2 Energy

Efficiently converting carbon dioxide (CO2) and/or water into marketable and clean value-added products using reversible fuel cell technology.

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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.

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Summit Nanotech

Developing a novel low-cost, direct lithium extraction (DLE) process that avoids the need for evaporation ponds and large chemical-based refineries.

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SunPath

Using solar collectors and fiber optics to bring sunlight into buildings, thus improving indoor lighting and saving energy.

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Switched Source

Helping distribution system operators better utilize legacy grid infrastructure by providing power-electronics that increase reliability and efficiency—increasing the system’s capacity to host distributed renewable energy.

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TexPower

Providing cobalt-free, high-energy, drop-in cathodes for lithium batteries helps decentralize the supply chain, drive down costs, and support a growing electric vehicle market.

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Three Wheels United

Offering tailored solutions to overcome traditional barriers to providing financing for low-income groups through an innovative business model that makes a positive impact on auto drivers as well as the environment.

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Traxen

Leading the trucking technology market into a decarbonized, automated, and connected future, while offering a solution that can be readily deployed today.

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TS Conductor

Optimizing the power grid by adding capacity and controlling line loss to reduce infrastructure costs and minimize environmental impacts.

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TZOA

Monitoring air quality directly at the source of supply provides superior insights into circulated air quality—leveraging such insight can help customize ventilation schedules, enhance filtering and airflow, and more to improve indoor air quality.

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Zinc8 Energy Solutions

Developing innovative battery technology that uses zinc and air as fuel, resolving the intermittent and unpredictable nature of renewable sources.

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