H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 10/24 (2006.01) C07F 5/04 (2006.01) H01M 10/40 (2006.01)
Patent
CA 2196493
The loss in delivered capacity (fade) after cycling non-aqueous rechargeable lithium batteries can be reduced by incorporating a small amount of certain additive compounds in the battery. The additive compound comprises boron, oxygen, and organic end groups that are chemically compatible with the battery components. The structure of the additive compound contains a boroxine (BO)3 ring. The invention is particularly suited to lithium ion batteries. Trimethoxyboroxine and trimethylboroxin are particularly effective additives. Preferably, the additive compound is dissolved in the electrolyte.
La perte de capacité délivrée (affaiblissement) après un cycle d'une batterie au lithium rechargeable à électrolyte non aqueux peut être réduite par l'ajout d'une petite quantité de certains composés d'addition dans la pile. Ces composés peuvent comprendre du bore, de l'oxygène et des groupes terminaux organiques ayant une compatibilité chimique avec les composants de la batterie. La structure du composé d'addition comprend un noyau de 3-boroxine (BO). L'invention convient particulièrement aux batteries au lithium. La triméthoxyboroxine et la triméthylboroxine constituent des composés d'addition particulièrement efficaces. De préférence, le composé d'addition est dissout dans l'électrolyte.
Mao Huanyu
Reimers Jan Naess
von Sacken Ulrich
E-One Moli Energy (canada) Limited
Moli Energy (1990) Limited
Oyen Wiggs Green & Mutala Llp
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