High durability lithium-ion cells

H - Electricity – 01 – M

Patent

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Details

H01M 10/0585 (2010.01) H01M 10/0583 (2010.01) H01M 6/46 (2006.01)

Patent

CA 2754617

A rechargeable battery and a method of fabricating which in-cludes stacking a plurality of electrode pages having an uncoated portion be-tween portions coated with an active elec-trode material. The electrode pages are arranged in a stack and an overall current collector is connected at the uncoated portion in order to form an electrode booklet. The overall current collector maintains the arrangement of the elec-trode pages and electrically connects all of the uncoated portions of the electrode pages. A tilted stack of electrode pages is utilized when a large number of elec-trodes are desired to result in a battery cell having a vertical orientation.

L'invention porte sur une batterie rechargeable et sur un procédé de fabrication qui comprend l'empilement d'une pluralité de pages d'électrode ayant une partie non revêtue entre des parties revêtues d'un matériau d'électrode actif. Les pages d'électrode sont agencées dans un empilement et un collecteur de courant global est connecté à la partie non revêtue afin de former un livret d'électrode. Le collecteur de courant global maintient l'agencement des pages d'électrode et connecte électriquement l'ensemble des parties non revêtues des pages d'électrode. Un empilement incliné de pages d'électrode est utilisé lorsqu'un nombre important d'électrodes est souhaité pour obtenir une cellule de batterie ayant une orientation verticale.

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