Pajarito Powder, LLC is a venture-backed developer and manufacturer of advanced electrocatalyst materials for fuel cells and electrolyzers. We manufacture a range of products for PEM, Alkaline and AEM applications that enhance performance and improve durability. Our Products: Platinum and Platinum alloy catalysts manufactured upon our proprietary Engineered Catalyst Supports (ECS). Benefiting from our ability to tailor the catalyst to system requirements, we have manufacturing control over key physical characteristics, tuned for specific systems and lower BOP requirements. Engineered Catalyst Supports (ECS), our core product for the automotive industry that delivers enhanced fuel cell function of the catalyst layer, as well as improved durability, at scale, for cost-sensitive manufacture of FCEVs. Engineered Electrolyzer Catalysts (EEC) materials for PEM and Alkaline, including PGM-free HER catalysts and high-performing, high efficiency OER catalysts. Precious-Metal-Free (PMF) Catalysts for next-generation applications that are entirely PGM-free.