One-piece leak-proof battery

Details One-piece leak-proof battery One-piece leak-proof battery

1997-08-01

1999-03-23

Maples, John S.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Cell enclosure structure, e.g., housing, casing, container,...

429120, 429223, 429175, H01M 202

Patent

active

058857320

ABSTRACT:
The casing of a leak-proof one-piece battery is made of a material comprising a mixture of at least a matrix based on polypropylene and an alloy of a polyamide and a polypropylene. The ratio of the matrix to the alloy is in the range 0.5 to 6 by weight. The alloy forms elongate arborescent inclusions in the matrix such that, on average, the largest dimension of a segment of the arborescence is at least twenty times the smallest dimension of the segment.

REFERENCES:
patent: 5066555 (1991-11-01), Tamminen
Patent Abstracts of Japan, vol. 013, No. 383 (E-811), 24 Aug. 1989, corresponding to JP 01 134874 A (Showa Denko, KK) dated 26 May 1989.

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