Electrocatalyst for fuel cell-electrode, fuel cell using the same and method for producing electrocatalyst
OwnerMasatoshi Sugimasa, Haruo Akahoshiinventors
Life of this patent
Estimating the term…
Abstract
An electrocatalyst for use in a fuel cell includes a carbon material as base support. An intermediate support with surface asperities is provided at least on a portion of the surface of the carbon material. Pt or a Pt-containing alloy particles supported on the intermediate or on the intermediate and the carbon material.
Claims20
An electrocatalyst for use in a fuel cell including a carbon material, an intermediate with surface asperities at least on a portion of the surface of the carbon material, and Pt or a Pt-containing alloy particles supported on the intermediate or on the intermediate and the carbon material.
An electrocatalyst for use in a fuel cell including a fibrous carbon, a metal of a not uniform thickness and adsorbing in an electrical joined state with the fibrous carbon to at least a portion of the surface of the fibrous carbon, and catalytic particles supported on the fibrous carbon and/or the metal.
A method of manufacturing an electrocatalyst for use in a fuel cell, comprising steps of:
- forming an intermediate on the surface of carbon by electrochemical reaction in a liquid phase, and supporting Pt or a Pt-containing alloy on the surface of the intermediate or on the intermediate and carbon.
Dependencies are inferred from the claim text.