Fuel cell electrocatalyst and method of producing the same

Details Fuel cell electrocatalyst and method of producing the same Fuel cell electrocatalyst and method of producing the same

H - Electricity

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H01M 8/06 (2006.01) H01M 4/88 (2006.01) H01M 4/92 (2006.01) H01M 8/04 (2006.01) H01M 8/22 (2006.01) H01M 4/86 (2006.01) H01M 8/10 (2006.01)

Patent

CA 2444176

In an aspect of the invention, a fuel cell electrocatalyst comprises a carrier and a catalyst layer made of a Pt-Ru alloy supported on the carrier, and having the oxygen content of 4.4 wt% or less. Moreover, a value of the amount of oxygen that exists in one layer of the outermost surface of a component atom of the catalyst layer is 14.1% or less. Furthermore, in another aspect of the invention, a method of producing the fuel cell electrocatalyst comprises a supporting step of supporting a catalyst layer made of an alloy including Pt and Ru on a carrier, and an oxygen content regulating step of regulating the oxygen content of the catalyst layer.

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