Cell which secures the reliability of a protective circuit

Details Cell which secures the reliability of a protective circuit Cell which secures the reliability of a protective circuit

1997-03-20

1999-11-02

Kalafut, Stephen

Chemistry: electrical current producing apparatus, product, and

Terminal protector other than seal through casing

429 94, 429121, 429178, H01M 234

Patent

active

059767294

ABSTRACT:
A cell has an outer can made from either aluminum or an aluminum alloy, and a lead plate for current-utilization. The lead plate for current-utilization is welded to the outer surface of the outer can and further welded to a lead plate for connection which is connected with the protective circuit of the cell. This construction makes it possible to avoid directly connecting the outer can with the lead plate for connection. Consequently, the lead plate for connection can be resistance-welded, so that the protective circuit is prevented form being electrified. As a result, the reliability of the protective circuit is improved, as compared with the case where the lead plate for connection is laser-welded.

REFERENCES:
patent: 4379816 (1983-04-01), Mullersman et al.
patent: 4971867 (1990-11-01), Watanabe et al.
patent: 4981490 (1991-01-01), Machida
patent: 5135821 (1992-08-01), Takemura et al.
patent: 5455128 (1995-10-01), Tanaka

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