Metalized, three-dimensional structured oxygen cathode materials for lithium/air batteries and method for making and using the same

摘要

This disclosure relates generally to cathode materials for electrochemical energy cells, more particularly to metal/air electrochemical energy cell cathode materials containing silver vanadium oxide and methods of making and using the same. The metal/air electrochemical energy cell can be a lithium/air electrochemical energy cell. Moreover the silver vanadium oxide can be a catalyst for one or more of oxidation and reduction processes of the electrochemical energy cell.

主权项

1. An electrode composite material for a metal/air electrochemical energy storage device, the electrode composite comprises MxAyOz for reducing molecular oxygen, wherein x, y, and z are real positive numbers, M is first metal, A comprises a second metal other than the first metal M and O is oxygen, wherein the second metal A comprises a primary second metal and one or more dopants, wherein the primary second metal comprises vanadium, and wherein the one or more dopants are selected from the group consisting of scandium, titanium, chromium, manganese, iron, cobalt, nickel and copper, wherein the electrode composition material has from about 1 to about 98 wt % MxAyOz.