Fuel cell, power supplying method using fuel cell, function...

H - Electricity – 01 – M

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H01M 8/02 (2006.01) H01M 8/04 (2006.01) H01M 8/10 (2006.01)

Patent

CA 2421422

A fuel cell having a structure of ensuring a reliable gas supply even in a limited space without compromise in portability, characterized by comprising a proton conductor membrane, flat hydrogen-side electrode and oxygen-side electrode that sandwich the proton conductor membrane, a unit (13) for supplying fuel to the hydrogen-side electrode, and flat collectors (16), (17) in close contact with the oxygen-side electrode and formed with a permeating unit such as opening that exposes the oxygen-side electrode to the atmosphere. The oxygen-side electrode exposed to the atmosphere allows oxygen to be supplied to power generators (11), (12) without lowering an oxygen partial pressure in the air.

L'invention concerne une pile à combustible présentant une structure garantissant une alimentation fiable en gaz, même dans un espace limité, sans compromettre la portabilité, caractérisée en ce qu'elle comprend une membrane conductrice protonique, une électrode plate côté hydrogène et une électrode plate côté oxygène, prenant en sandwich la membrane conductrice protonique, une unité (13) permettant d'alimenter l'électrode côté hydrogène en combustible, et des collecteurs plats (16, 17), en contact étroit avec l'électrode côté oxygène, et formés avec une unité de perméation, de sorte que l'ouverture expose l'électrode côté oxygène à l'atmosphère. L'électrode côté oxygène exposée à l'atmosphère permet de fournir de l'oxygène aux générateurs d'énergie (11, 12), sans baisse de pression partielle d'oxygène dans l'air.

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