Membrane catalyst layer for fuel cells
Patent
·
OSTI ID:6218129
A solid polymer electrolyte membrane assembly is described for separating anodic and cathodic electrode backings in a gas reaction fuel cell, wherein the improvement consists essentially of a solid polymer electrolyte membrane and a composite film of a supported platinum catalyst and a proton conducting ionomer with a thickness less than about 10 [mu]m, said catalyst being uniformly dispersed therein with a platinum loading less than about 0.35 mgPt/cm[sup 2], where said film is bonded to said solid polymer electrolyte membrane.
- Assignee:
- Univ. of California, Oakland, CA (United States)
- Patent Number(s):
- A; US 5234777
- Application Number:
- PPN: US 7-736876
- OSTI ID:
- 6218129
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
30 DIRECT ENERGY CONVERSION
300503* -- Fuel Cells-- Materials
Components
& Auxiliaries
CATALYSTS
DIMENSIONS
DIRECT ENERGY CONVERTERS
ELECTROCATALYSTS
ELECTROCHEMICAL CELLS
ELECTRODES
ELEMENTS
FUEL CELLS
LOADING RATE
MEMBRANES
METALS
PLATINUM
PLATINUM METALS
POLYMERS
SOLID ELECTROLYTE FUEL CELLS
THICKNESS
TRANSITION ELEMENTS
300503* -- Fuel Cells-- Materials
Components
& Auxiliaries
CATALYSTS
DIMENSIONS
DIRECT ENERGY CONVERTERS
ELECTROCATALYSTS
ELECTROCHEMICAL CELLS
ELECTRODES
ELEMENTS
FUEL CELLS
LOADING RATE
MEMBRANES
METALS
PLATINUM
PLATINUM METALS
POLYMERS
SOLID ELECTROLYTE FUEL CELLS
THICKNESS
TRANSITION ELEMENTS