Battery incorporating hydraulic activation of disconnect safety

Details Battery incorporating hydraulic activation of disconnect safety Battery incorporating hydraulic activation of disconnect safety

1994-02-24

1995-11-07

Maples, John S.

Chemistry: electrical current producing apparatus, product, and

With control means responsive to battery condition sensing...

429 66, 429 90, 429197, H01M 220, H01M 614

Patent

active

054647053

ABSTRACT:
A novel battery construction which incorporates a disconnect safety device which is hydraulically activated by an increase in solid volume upon abusive overcharge of the battery to disconnect the cathode or anode. A rechargeable battery which comprises: (a) a Li.sub.x MO.sub.2 cathode wherein x, is equal to or less than 1.1, and M is Ni, Co, Mn or combinations thereof; (b) a carbonaceous anode; (c) an electrolyte of one or more lithium salts dissolved in one or more non-aqueous organic solvents; and (d) an internal disconnect device which activates by hydraulic means on overcharge.

REFERENCES:
patent: 4788112 (1988-11-01), Kung
patent: 4943497 (1990-07-01), Oishi et al.
patent: 5292601 (1994-03-01), Sugeno et al.

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