Lithium secondary battery

Details Lithium secondary battery Lithium secondary battery

H - Electricity

01

M

H01M 10/24 (2006.01) H01M 2/12 (2006.01) H01M 2/34 (2006.01) H01M 4/60 (2006.01)

Patent

CA 2243212

A lithium secondary battery includes a battery case, and an internal electrode body contained in the battery case and including a positive electrode and a negative electrode wound through a separator film made of porous polymer, and uses a nonaqueous organic electrolyte. Opposing pressure release mechanisms are disposed at both ends of the battery case in the winding direction of the positive electrode and the negative electrode. The lithium secondary battery is simple infabrication, has small internal resistance, and is superior in safety.

Pile secondaire au lithium comprenant un boîtier, un corps d'électrode interne contenu dans le boîtier et comprenant une électrode positive et une électrode négative enroulées sur une pellicule de séparation faite d'un polymère poreux, et utilisant un électrolyte organique non aqueux. Des mécanismes de relâche de pression opposés sont placés aux deux extrémités du boîtier de la pile dans la direction d'enroulement des électrodes positive et négative. La pile secondaire au lithium est facile à fabriquer, de sécurité supérieure et comprend une légère résistance interne.

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