Secondary battery having a separator

Details Secondary battery having a separator Secondary battery having a separator

1986-01-13

1987-03-24

Hearn, Brian E.

Chemistry: electrical current producing apparatus, product, and

Fluid active material or two-fluid electrolyte combination...

Active material in solution

429146, 429147, 429192, H01M 936, H01M 216

Patent

active

046525041

ABSTRACT:
A secondary battery prevents a localized formation of dendritic metal zinc during a charging and increases a current efficiency as far as possible. The secondary battery includes a negatively active material of a metallic ion, a positive electrode, a negative electrode and a separator having an metallic-ion-permeable sheet, a plurality of projections formed with a nonsymmetrical shape on opposite sides of the sheet and a diffusing means for diffusing a flow of zinc ion current flowing around the projection, and the diffusing means is provided in a vicinity of a connecting portion of the sheet and the projection.

REFERENCES:
patent: 4105829 (1978-08-01), Venero
patent: 4218521 (1980-08-01), Putt et al.
patent: 4343868 (1982-08-01), Putt
patent: 4346150 (1982-08-01), Bellows et al.
patent: 4396689 (1983-08-01), Grimes et al.

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