Pt based catalysts (PtB, PtC); Pt alloy (PtX, X=Ir, Ru, Pd, Fe, Co, Ni, Cu, Sn, Cr, Rh)
Pd based catalysts: PdB, PdC, Pd alloy: Pd-Ir, Pd-Rh, Pd-Ni
IrB, IrC, IrO2
RuB, RuC, RuO2
Rh-black, Rh on carbon
Au-black, Au on carbon
Ag on carbon
Fe on carbon
Co on carbon
Ni on carbon
Cu on carbon