Method for examining ion-conductive electrolyte membrane

Details Method for examining ion-conductive electrolyte membrane Method for examining ion-conductive electrolyte membrane

H - Electricity

01

M

H01M 8/04 (2006.01) G01N 21/88 (2006.01) H01M 8/10 (2006.01)

Patent

CA 2690872

A light adjusting thin film (11) is attached to a first surface (10a) of an electrolyte film (10). A hydrogen gas is supplied from a second surface (10b) side of the electrolyte film (10). If the electrolyte film (10) has a defective portion (10c) such as a crack and a pin hole, the hydrogen gas leaks to the first surface (10a) of the electrolyte film (10) via the defective portion (10c). The light adjusting thin film (11) is hydrogenated by the hydrogen gas which has leaked and the reflectivity of the light adjusting thin film (11) is locally changed. Thus, it is possible to visually check presence/absence of the defective portion (10c).

La présente invention concerne un film mince de réglage de lumière (11) joint à la première surface (10a) d'un film électrolyte (10). Un gaz d'hydrogène est alimenté depuis le côté d'une seconde surface (10b) du film électrolyte (10). Si le film électrolyte (10) comporte une portion défectueuse (10c) tel qu'un craquèlement ou un trou de punaise, le gaz d'hydrogène fuit vers la première surface (10a) du film (10) électrolyte à travers cette portion défectueuse (10c). Le film fin de réglage de lumière (11) est hydrogéné par le gaz d'hydrogène qui a fui et la réflectivité du film fin de réglage de lumière (11) est changée localement. Ainsi, il est possible de vérifier visuellement la présence/l'absence de la portion défectueuse (10c).

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