Bipolar electrochemical battery of stacked wafer cells

Details Bipolar electrochemical battery of stacked wafer cells Bipolar electrochemical battery of stacked wafer cells

H - Electricity

01

M

H01M 10/18 (2006.01) H01M 6/00 (2006.01) H01M 6/48 (2006.01) H01M 10/04 (2006.01) H01M 2/02 (2006.01) H01M 4/66 (2006.01) H01M 6/42 (2006.01) H01M 10/34 (2006.01)

Patent

CA 2453558

The bipolar electrochemical battery (1) of the invention comprises: a stack of at least two electrochemical cells (14) arranged in series; (d) a first electrically conductive lamination (5) comprising a first inner metal layer (7) and a first polymeric outer layer (8), said first outer layer (8) having at least one perforation (9) to expose the first inner metal layer (7), said first lamination (5) being in electrical contact with the outer face of the negative electrode (2); and (e) a second electrically conductive lamination (6) comprising a second inner metal layer (7a) and a second polymeric outer layer (8a), said second outer layer (7a) having at least one perforation (9a) to expose the second inner metal layer (7a), said second lamination (6) being in electrical contact with the outer face of the positive electrode (3); whereinthe first and second laminations (5 and 6) are sealed peripherally to each other to form an enclosure including electrodes (2,3), the separator (4) and the electrolyte.

L'invention concerne une batterie électrochimique bipolaire (1) comprenant: une pile d'au moins deux cellules électrochimiques (14) en série; (d) une première lamination conductrice (5) constituée d'une première couche métallique interne (7) et d'une première couche polymère externe (8), laquelle (8) présente au moins une perforation (9) exposant la première couche interne (7), et cette lamination (5) est en contact électrique avec la face externe de l'électrode négative (2); et (e) une seconde lamination conductrice (6) constituée d'une seconde couche métallique interne (7a) et d'une seconde couche polymère externe (8a), laquelle (7a) présente au moins une perforation (9a) exposant la seconde couche interne (7a), et cette lamination (6) est en contact électrique avec la face externe de l'électrode positive (3); lesdites laminations (5 and 6) sont hermétiquement jointes pour former une enceinte entourant les électrodes (2,3), le séparateur (4) et l'électrolyte.

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