Humidification cell

Details Humidification cell Humidification cell

H - Electricity

01

M

H01M 8/04 (2006.01)

Patent

CA 2461744

The invention relates to a humidification cell (1) of a fuel cell assembly (41), comprising a water-permeable membrane (5) located between two external plates (9) of said humidification cell (1). One section of the surface of the membrane (5) is fitted to at least one of the external plates (9) and is thus partially covered by the external plate (9). This reduces the humidification capability of the membrane (5). To solve this problem, the inventive humidification cell (1) has a water-permeable supporting element (7a, 7b), which is located between the membrane (5) and one of the external plates (9).

L'invention concerne une cellule d'humidification (1) d'un dispositif de pile à combustible (41), laquelle comporte une membrane (5) perméable à l'eau entre deux plaques extérieures (9) de la cellule d'humidification (1). Une partie de la surface de cette membrane (5) est plaquée contre au moins une des plaques extérieures (9), qui la recouvre ainsi partiellement, ce qui diminue la puissance d'humidification de ladite membrane (5). Pour pallier cet inconvénient, la cellule d'humidification (1) selon l'invention comprend un élément d'appui (7a, 7b) perméable à l'eau et disposé entre la membrane (5) et une des plaques extérieures (9).

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