Membrane electrode assembly for fuel cell

A membrane electrode assembly for a fuel cell includes an electrolyte membrane having ionic conductivity and a pair of gas diffusion electrodes having gas diffusivity and electric conductivity. Each of the pair of gas diffusion electrodes is bonded to one side or the other of the electrolyte membran...

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Bibliographische Detailangaben
1. Verfasser:	TSUGANE TAKAHIDE
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:	A membrane electrode assembly for a fuel cell includes an electrolyte membrane having ionic conductivity and a pair of gas diffusion electrodes having gas diffusivity and electric conductivity. Each of the pair of gas diffusion electrodes is bonded to one side or the other of the electrolyte membrane in a thickness direction. A bonding force for bonding at least one part of an outer circumferential area of the gas diffusion electrodes to the electrolyte membrane is set to at an inferior level to that of the bonding force for bonding a central area of the gas diffusion electrodes to the electrolyte membrane, so that an area of the electrolyte membrane facing the at least one part of the outer circumferential area of the gas diffusion electrodes can be protected from damage.