Integrated seal for high-temperature electrochemical device

Details Integrated seal for high-temperature electrochemical device Integrated seal for high-temperature electrochemical device

H - Electricity

01

M

H01M 8/12 (2006.01) H01M 4/86 (2006.01) H01M 8/02 (2006.01) H01M 8/24 (2006.01)

Patent

CA 2721455

The present invention provides electrochemical device structures having integrated seals, and methods of fabricat-ing them. According to various embodiments the structures include a thin, supported electrolyte film with the electrolyte sealed to the support. The perimeter of the support is self-sealed during fabrication. The perimeter can then be independently sealed to a manifold or other device, e.g., via an external seal. According to various embodiments, the external seal does not contact the elec-trolyte, thereby eliminating the restrictions on the sealing method and materials imposed by sealing against the electrolyte.

La présente invention concerne des structures de dispositif électrochimique qui possèdent des dispositifs détanchéité intégrés, et des procédés de fabrication associés. Selon divers modes de réalisation, les structures comprennent un film électrolyte mince supporté, lélectrolyte étant scellé sur le support. Le périmètre du support est auto-scellé au cours de la fabrication. Le périmètre peut alors être indépendamment scellé à un collecteur ou autre dispositif, par exemple, par lintermédiaire dun dispositif détanchéité externe. Selon divers modes de réalisation, le dispositif détanchéité externe nentre pas en contact avec lélectrolyte, éliminant ainsi les restrictions imposées, par le scellement contre lélectrolyte, sur le procédé détanchéité et les matériaux.

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