Catalyst powder production method, catalyst powder and catalyst layer in fuel cell

Catalyst powder production method, catalyst powder and catalyst layer in fuel cell

A catalyst powder production method for constructing a catalyst layer in a fuel cell includes: forming a mixture that contains an electrolyte, a pore-forming material, and a catalyst-supporting particle that supports a catalyst; producing a composite powder in which the catalyst-supporting particle...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HATANAKA TATSUYA, KADOTANI SATOSHI, OKUMURA MASAO
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
ELECTRICITY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
THEIR RELEVANT APPARATUS
TRANSPORTING
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Beschreibung
Zusammenfassung:A catalyst powder production method for constructing a catalyst layer in a fuel cell includes: forming a mixture that contains an electrolyte, a pore-forming material, and a catalyst-supporting particle that supports a catalyst; producing a composite powder in which the catalyst-supporting particle and the electrolyte are attached to a periphery of the pore-forming material by using the mixture; and producing the catalyst powder in the form of hollow particle by removing the pore-forming material from the composite powder.