Lithium secondary battery having thermal switch

Details Lithium secondary battery having thermal switch Lithium secondary battery having thermal switch

1998-02-27

2000-04-04

Nuzzolillo, Maria

Chemistry: electrical current producing apparatus, product, and

With control means responsive to battery condition sensing...

Temperature control

429 57, 429 58, 429 59, 429 61, H01M 1050, H01M 200

Patent

active

060459395

ABSTRACT:
Provided is a lithium secondary battery comprising an electrode assembly which consists of a cathode, an anode and a separator laminated therebetween, and a battery case in which the electrode assembly is placed, said lithium secondary battery characterized by having a thermal switch which has a mechanism for electrically connecting the cathode and the anode at a portion other than an active material-contained layer in accordance with an increase in the battery temperature. The lithium secondary battery can prevent itself from being left in a charged condition after having an unusual trouble, and can operate the safety device even when its internal pressure decreases.

REFERENCES:
patent: 4129686 (1978-12-01), Kaduboski
patent: 5766793 (1998-06-01), Kameishi et al.

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