Lithium ion electrochemical cell

Details Lithium ion electrochemical cell Lithium ion electrochemical cell

H - Electricity

01

M

H01M 10/40 (2006.01) H01M 2/16 (2006.01) H01M 10/42 (2006.01) H01M 4/04 (2006.01) H01M 10/44 (2006.01)

Patent

CA 2295987

A lithium ion cell having an amount of a Group 1 element between the positive electrode (14) and the negative electrode (10) is described. The Group 1 element can be on a surface of an electrode separator (18) as a deposit. The Group 1 element can increase the charging capacity of the cell, eliminate the irreversible capacity of the cell, improve the rechargeable cell cyclability, or increase the charging reversibility of the cell.

La présente invention concerne une cellule à ion de lithium comprenant une quantité d'un élément de Groupe 1 placé entre l'électrode positive (14) et l'électrode négative (10). L'élément de Groupe 1 peut être un dépôt sur une surface d'un séparateur d'électrodes (18). Ledit élément de Groupe 1 peut augmenter la capacité de charge de la cellule, éliminer sa capacité irréversible, améliorer son aptitude aux cycles rechargeables ou augmenter sa réversibilité de charge.

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