Battery pack

Details Battery pack Battery pack

1996-04-29

1997-11-18

Nappi, Robert

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 2, 429 62, 429 91, H02J 704, H02J 706, H01M 1050, H01M 210

Patent

active

056891733

ABSTRACT:
The dangers of excessive battery current and battery heating are effectively prevented by maintaining a heat sensitive cut-off device in the cut-off state as long as an over-current situation exists. An inside case positioned in the enclosed space between the batteries and the outside shell houses both the cut-off device and a parallel connected heating resistor. Double insulation allows the heating resistor to efficiently transfer Joule heat to the adjacent cut-off device. Effective use of space and heat transfer properties also reduces post-cut-off battery current and results in no battery pack volume increase.

REFERENCES:
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patent: 3629765 (1971-12-01), Hanson
patent: 3900783 (1975-08-01), Herzog et al.
patent: 4224383 (1980-09-01), Taylor
patent: 4513238 (1985-04-01), Orban
patent: 4712055 (1987-12-01), Houser, Jr.
patent: 4829226 (1989-05-01), Nakamura et al.
patent: 5150033 (1992-09-01), Conway
patent: 5248927 (1993-09-01), Takei et al.
patent: 5254933 (1993-10-01), Lin
patent: 5466545 (1995-11-01), Chamberlain et al.
patent: 5585710 (1996-12-01), Nakamura et al.
Battery-Tech Inc Battery pack catalog (pp. 1 & 14), May '92.

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