High-entropy ruthenium oxides as efficient oxygen evolution reaction catalysts
AssigneesToyota Motor Engineering & Manufacturing North America, Inc., Toyota Jidosha Kabushiki Kaisha
InventorsSiwen Wang, Chen Ling, Li Qin Zhou, Charles A. Roberts
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Abstract
An oxygen evolution reaction (OER) catalyst for reaction in acidic media comprising: a Ru(M1M2M3M4)O2 catalyst, wherein the Ru(M1M2M3M4)O2 catalyst comprises an M1, an M2, an M3 and an M4 co-doped in ruthenium oxide (RuO2), wherein M1 is chosen from Cr, Fe, Co, Ni, Cu, Zi, Al, Ga, Ge, Mg, La and combinations thereof, wherein M2 is chosen from Cr, Fe, Co, Ni, Cu, Zi, Al, Ga, Ge, Mg, La and combinations thereof, wherein M3 is chosen from Cr, Fe, Co, Ni, Cu, Zi, Al, Ga, Ge, Mg, La and combinations thereof, and wherein M4 is chosen from Cr, Fe, Co, Ni, Cu, Zi, Al, Ga, Ge, Mg, La and combinations thereof.
Claims19
An oxygen evolution reaction (OER) catalyst comprising:
- wherein the Ru(M1M2M3M4)O2 catalyst comprises an M1, an M2, an M3 and an M4 co-doped in ruthenium oxide (RuO2),
- wherein M1 is chosen from Cr, Fe, Co, Ni, Cu, Zi, Al, Ga, Ge, Mg, La and combinations thereof,
- wherein M2 is chosen from Cr, Fe, Co, Ni, Cu, Zi, Al, Ga, Ge, Mg, La and combinations thereof,
- wherein M3 is chosen from Cr, Fe, Co, Ni, Cu, Zi, Al, Ga, Ge, Mg, La and combinations thereof, and
- wherein M4 is chosen from Cr, Fe, Co, Ni, Cu, Zi, Al, Ga, Ge, Mg, La and combinations thereof.
Dependencies are inferred from the claim text.