Lead and sulphuric acid accumulator, separator for a lead/sulphu

Details Lead and sulphuric acid accumulator, separator for a lead/sulphu Lead and sulphuric acid accumulator, separator for a lead/sulphu

1992-02-26

1993-09-21

Howard, Jacqueline V.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Separator, retainer, spacer or materials for use therewith

429250, H01M 216

Patent

active

052467988

ABSTRACT:
A lead/accumulator with at least one separator made from filled microporous polyolefins is described, in which the formation of colored, mostly dark and often adhesive deposits occurring in practice is reduced in quantity. This is achieved by the fact that in the accumulator, there are present one or more non-ionic surfactants of a specific structure, the HLB value of which amounts to at least 5. In addition a separator made from filled microporous polyolefins is described, which contains one or more of these surfactants.

REFERENCES:
patent: 3351495 (1967-11-01), Larsen et al.
patent: 3967978 (1976-07-01), Honda et al.
patent: 4024323 (1977-05-01), Versteegh
patent: 4210709 (1980-07-01), Doi et al.
patent: 4216281 (1980-08-01), O'Rell et al.

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