Thin film electrochemical cell for lithium polymer batteries...

H - Electricity – 01 – M

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Details

H01M 10/28 (2006.01) H01M 4/26 (2006.01) H01M 10/04 (2006.01)

Patent

CA 2585440

An electrochemical cell sub-assembly and a method for manufacturing same. The electrochemical cell sub-assembly includes a current collector sheet having a pair of opposite surfaces and a pair of opposite edges, each surface being coated with a respective layer of electrode material. A layer of polymer electrolyte envelopes both layers of electrode material and one of the pair of edges of the current collector sheet, thereby encapsulating the one edge of the current collector sheet while leaving exposed the other edge of the current collector sheet.

La présente invention concerne un sous-ensemble de cellule électrochimique et un procédé pour le fabriquer. Ce sous-ensemble de cellule électrochimique comprend une feuille de collecteur de courant qui présente une paire de surfaces opposées et une paire de bords opposés, chaque surface étant respectivement revêtue d'une couche de matière d'électrode. Une couche d'électrolyte polymère enveloppe les deux couches de matière d'électrode et un bord de la paire de bords de la feuille de collecteur de courant, ce qui permet d'encapsuler ce bord de la feuille de collecteur de courant, tout en laissant exposé l'autre bord de la feuille de collecteur de courant.

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