Use of B.sub.2 O.sub.3 additive in non-aqueous rechargeable lith

Details Use of B.sub.2 O.sub.3 additive in non-aqueous rechargeable lith Use of B.sub.2 O.sub.3 additive in non-aqueous rechargeable lith

1997-03-13

1999-10-12

Kalafut, Stephen

Metal working

Method of mechanical manufacture

Electrical device making

429332, 429341, H01M 616

Patent

active

059649020

ABSTRACT:
The loss in delivered capacity upon cycling non-aqueous rechargeable lithium batteries can be reduced by incorporating a small amount of B.sub.2 O.sub.3 additive in the electrolyte. The B.sub.2 O.sub.3 additive is preferably dissolved in the electrolyte prior to assembling the battery. The invention is particularly suited to lithium ion rechargeable batteries.

REFERENCES:
patent: 4654280 (1987-03-01), Bailey
patent: 5168019 (1992-12-01), Sugeno
patent: 5578395 (1996-11-01), Yoshimura et al.
Matsuda et al., Journal of Power Sources, 54(2), 301-305 (Apr. 1995).
Mater. Sci. Eng., B, B14(1), 121-6, 1992 (month unknown).

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