Patent · US Expired

Supported catalyst for fuel cell, method of manufacturing the same, and fuel cell

US7223493B2 · kind B2 · utility

4Cited by
1References
11Claims
0Family size

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Key dates

Filing dateOct 5, 2005
Grant dateMay 29, 2007
Priority date
Expiry dateOct 5, 2025

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P70/50
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

Provided is a supported catalyst for a fuel cell, containing a conductive support and a platinum alloy supported thereby, wherein an elution ratio of transition metal other than platinum is 30% or less when 0.5 g of the supported catalyst is stirred at room temperature in 30 mL of 0.1N aqueous sulfuric acid solution for 800 hours.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.