Robuta

https://patents.google.com/patent/US20160010228A1/en?oq=20160010228 US20160010228A1 - Electrocatalyst for hydrogen evolution and oxidation reactions - Google Patents A metallic alloy includes Cu and one or more metals M selected from the group consisting of Ti, V, Cr, Mn, Fe, Co, Ni and Zn, wherein the alloy has a surface... hydrogenevolutionoxidationreactionsgoogle