Lithium ion secondary battery

Details Lithium ion secondary battery Lithium ion secondary battery

1996-06-18

1998-01-06

Kalafut, Stephen

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Separator, retainer or spacer insulating structure

429144, 429162, 296233, 296235, H01M 216

Patent

active

057052921

ABSTRACT:
A lithium ion secondary battery according to the present invention includes a positive electrode, a negative electrode, a separator, and a heat-resistant and heat-insulating film having pores. The heat-resistant and heat-insulating film is formed on at least one of surfaces opposed to each other of the positive and negative electrodes. The positive electrode and the negative electrodes are laminated through the separator. The heat-resistant and heat-insulating film contains metal oxide, metal carbonate or metal nitride. The heat-resistant and heat-insulating film is formed by spraying powders of metal oxide, metal carbonate or metal nitride. The spraying is plasma spraying. A surface where the positive electrode and the negative electrode are not opposed to each other is provided. On at least one of surfaces forming the interface, the heat-resistant and heat-insulating film is formed by spraying powders of metal oxide, metal nitride or the like.

REFERENCES:
patent: 4882828 (1989-11-01), McLoughlin et al.
patent: 4964877 (1990-10-01), Keister et al.
patent: 5128220 (1992-07-01), O'Hara et al.
patent: 5342709 (1994-08-01), Yahnke et al.

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