Patent ID: 9466843
Filing Date: 2016-10-11
CPC Classification: H01M,Y02E

Claim Text:
1. An electrode catalyst comprising: tungsten carbide having a specific surface area of about 10 to about 30 m a metal catalyst comprising palladium (Pd) or palladium alloy; and two other metals, wherein the first other metal is selected from the group consisting of nickel (Ni), cobalt (Co), manganese (Mn), and iron (Fe), and the second other metal is selected from the group consisting of iridium (Ir), ruthenium (Ru) and gold (Au), the metal catalyst being devoid of platinum, and wherein the tungsten carbide comprises amorphous carbon; wherein, based on the total weight of the electrode catalyst, the amount of the tungsten carbide is in the range of about 60 to about 95 wt % and the amount of the metal catalyst is in the range of about 5 to about 40 wt %.