Alternatives to Princeton Critical Minerals

Transforms waste heat into zero-emission electricity using an isothermal heat engine.

Ultra-high temperature thermal energy storage solutions for industrial decarbonisation.

A Swedish materials technology company developing and supplying graphene-based nanocomposite materials for sustainable industrial use, focusing on green energy, advanced manufacturing, and 3D printing.

Industrial company in hydrogen production and separation solutions.

Pioneer in robotic cleaning solutions for PV modules, ensuring year-round peak performance with water-free automation.

CleanTech company specializing in PET/polyester plastics and fibres recycling using microwave-assisted depolymerisation.

Technology that removes CO2 from water, turning water infrastructure into carbon capture facilities.

UBQ Materials converts unsorted household waste into a sustainable, bio-based thermoplastic material, replacing conventional plastics and other finite resources.

Industrial thermal energy storage solutions using sand.

Modular nickel refining for critical minerals.

Israeli cleantech company focused on industrial decarbonization and achieving net-zero emissions.

Biomass electrolysis technology that produces green hydrogen and biogenic CO₂ simultaneously from lignocellulosic biomass for synthetic fuel feedstock.

Developing and commercializing lithium brine extraction technology for the energy transition.

Develops non-flammable, high-performance, low-cost sodium-ion batteries for energy storage.

Revolutionizing EV battery manufacturing with solvent-free dry coating technology for lithium-ion battery electrodes.

Electra is decarbonizing the iron and steel industry with clean-iron electrowinning technology.

Green processing of battery waste.

French geothermal solutions provider focused on low-carbon heat and lithium extraction.

Developing high-temperature geothermal energy at industrial scale.

Energy-as-a-Service platform for businesses.