Insert-molded, externally manifolded, sealed membrane based...

H - Electricity – 01 – M

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Details

H01M 8/04 (2006.01) H01M 8/00 (2006.01) H01M 8/24 (2006.01)

Patent

CA 2649508

The present invention provides, among other things, membrane cassettes and stacks thereof which are suitable for a use in a variety of electrochemical applications. The invention further provides membrane cassettes which comprise one or more external manifolds which deliver reagents and/or coolant to one or more reactant or coolant flow fields of the membrane cassettes. In particular, the present invention describes the insert molding method, whereby the plenums of the external manifolds are created during the stack encapsulation step. The invention describes several methods for creating the manifold runner geometry via insert-molding, machining, or with separate components.

La présente invention concerne, entre autres, des cassettes à membranes et des empilements de celles-ci qui sont aptes à être utilisées dans diveres applications électrochimiques. L'invention concerne également des cassettes à membranes comportant un ou des collecteurs extérieurs qui délivrent des réactifs et/ou un fluide caloporteur à un ou plusieurs champs d'écoulement de réactifs ou de fluide caloporteur des cassettes à membranes. En particulier, la présente invention concerne un procédé de moulage d'inserts, selon lequel les plénums des collecteurs extérieurs sont créés lors de l'étape d'encapsulation d'empilements. L'invention décrit plusieurs procédés de création de géométrie de canaux secondaires d'injection de collecteurs par moulage d'insert, usinage, ou avec d'autres composants séparés.

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