Solid-state energy storage module employing integrated...

H - Electricity – 01 – M

Patent

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Details

H01M 2/20 (2006.01) H01M 2/10 (2006.01) H01M 10/48 (2006.01) H01R 29/00 (2006.01) H05K 3/32 (2006.01) H01M 2/34 (2006.01) H01M 6/18 (2006.01) H01M 6/50 (2006.01) H01M 10/04 (2006.01) H01M 10/50 (2006.01) H05K 1/11 (2006.01) H05K 1/18 (2006.01)

Patent

CA 2297738

The present invention is directed to an improved electrochemical energy storage device. The electrochemical energy storage device includes a number of solid-state, thin-film electrochemical cells which are selectively interconnected in series or parallel through use of an integrated interconnect board. The interconnect board is typically disposed within a sealed housing which also houses the electrochemical cells, and includes a first contact and a second contact respectively coupled to first and second power terminals of the energy storage device. The interconnect board advantageously provides for selective series or parallel connectivity with the electrochemical cells, irrespective of electrochemical cell position within the housing. In one embodiment, a sheet of conductive material is processed by employing a known milling, stamping, or chemical etching technique to include a connection pattern which provides for flexible and selective interconnecting of individual electrochemical cells within the housing, which may be a hermetically sealed housing. Fuses and various electrical and electro-mechanical devices, such as bypass, equalization, and communication devices for example, may also be mounted to the interconnect board and selectively connected to the electrochemical cells.

L'invention concerne un dispositif de stockage électrochimique amélioré, qui comprend un certain nombre de cellules électrochimiques transistorisées à couches minces montées sélectivement en série ou en parallèle via une carte d'interconnexion intégrée, laquelle est généralement placée dans une enceinte hermétique qui renferme aussi les cellules électrochimiques. Cette carte a des premier et second contacts respectivement reliés à des premières et seconde bornes d'alimentation du dispositif. L'avantage de la carte est la sélectivité du montage en série ou en parallèle avec les cellules électrochimiques, indépendamment de la position des cellules dans l'enceinte. Selon une variante, une feuille de matériau conducteur est traitée au moyen d'une technique existante de laminage, d'estampage ou d'attaque chimique, de manière à incorporer dans cette feuille une structure de connexion permettant l'interconnexion flexible et sélective de cellules électrochimiques données dans l'enceinte, laquelle peut être hermétique. Par ailleurs, on peut monter sur la carte d'interconnexion des fusibles et divers éléments électriques et électromécaniques (par exemple, de dérivation, d'égalisation et de communication) susceptibles d'être reliés sélectivement aux cellules électrochimiques.

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