Ranked by total raised · 25 of 40 on the roster
Sila Nanotechnologies engineers silicon-dominant anode materials that replace graphite to boost lithium-ion battery energy density.
KoBold Metals uses AI and machine learning to explore for critical minerals like copper, lithium, cobalt and nickel needed for batteries and electrification.
San Jose supermaterials company using 3D Graphene to build lithium-sulfur batteries, lightweight composites and sensors, now scaling via acquired Northvolt assets.
22 more companies in this ranking, plus every other sort, every roster row, and the full analytical layer behind each profile.
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MIT spinout decarbonizing steel and critical-metals production with molten oxide electrolysis (MOE) powered by renewable electricity.
Lilac Solutions uses an ion-exchange direct lithium extraction technology to pull lithium from brines with high recovery and low cost.
Periodic Labs builds AI scientists paired with autonomous robotic laboratories to discover new materials, starting with higher-temperature superconductors.
Boulder startup making fossil-free iron with a low-temperature electrochemical process that turns low-grade ore into 99% pure iron using renewable electricity.
Arris Composites uses its Additive Molding process to align continuous carbon fiber inside thermoplastics, mass-producing high-performance structural parts.
Cyclic Materials recycles rare earth elements and other critical metals from end-of-life magnets, motors, EVs and e-waste to build a circular supply chain.
Mangrove Lithium uses a proprietary electrochemical process to refine lithium feedstocks into battery-grade lithium hydroxide and carbonate.
CuspAI is building an AI-native 'search engine' for materials that designs novel compounds to match a target set of physical properties.
Oakland startup producing carbon-neutral magnesium metal by electrolysis of seawater and brines to rebuild U.S. magnesium supply.
Actnano makes fluorine-free conformal nanocoatings that protect automotive and consumer electronics from moisture and corrosion.
Citrine Informatics offers an AI platform that helps materials and chemicals companies design and optimize new products from their R&D data.
Woburn-based refiner producing rare-earth and critical metals from mining tailings and scrap with a zero-waste, net-zero process.
Paragraf mass-produces graphene-based electronic devices, including Hall-effect sensors and transistors, on standard semiconductor manufacturing lines.
Fairmat recycles carbon-fiber composite waste into engineered chips that are reassembled into new high-performance composite parts.
Radical AI builds an autonomous, self-driving materials lab that unifies machine learning, robotic synthesis, and characterization to discover and make advanced materials.
Novoloop chemically upcycles post-consumer polyethylene waste into high-performance, low-carbon thermoplastic polyurethanes.
Los Alamos nanotech company making low-toxicity quantum dots for greenhouse lighting, solar windows and security applications.
Aether Diamonds grows carbon-negative lab diamonds from CO2 captured out of the atmosphere.
Chemix uses its MIX generative-AI platform to design custom battery chemistries and electrolyte formulations from large proprietary experimental datasets.
Mattiq combines combinatorial nanomaterials synthesis with AI to rapidly discover catalysts for cleaner chemicals and fuels.
Xampla makes plastic-free, biodegradable materials from plant protein to replace single-use plastics, films, coatings and microplastics.
Adaptive Surface Technologies makes liquid-infused SLIPS coatings that repel fluids, contaminants, and biofouling.