Multi-layer type nonaqueous electrolyte secondary cell

Details Multi-layer type nonaqueous electrolyte secondary cell Multi-layer type nonaqueous electrolyte secondary cell

1996-12-12

1998-04-21

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Plural concentric or single coiled electrode

429144, 429152, 429194, H01M 216, H01M 1040

Patent

active

057416087

ABSTRACT:
Internal shorting of large capacity multi-layer type nonaqueous electrolyte secondary cells is minimized by inclusion of heat resistant porous film layers adjacent thermally fusible resin microporous films disposed between negative electrodes and positive electrodes in an electrode assembly and between adjacent electrode assemblies stacked together to provide an electrode stack. The heat resistant porous film layers may be organic or inorganic temperature resistant sheet materials exhibiting heat resistance to temperatures of at least about 600.degree. C.

REFERENCES:
patent: 3853627 (1974-12-01), Lehmann et al.
patent: 4621035 (1986-11-01), Bruder
patent: 5443925 (1995-08-01), Machida et al.
patent: 5631102 (1997-05-01), Spillman et al.

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