Layered-type manganese dry battery

Details Layered-type manganese dry battery Layered-type manganese dry battery

1992-03-30

1993-09-28

Kalafut, Stephen

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

429235, 427122, H01M 470

Patent

active

052485722

ABSTRACT:
Each bonded electrode of the layered-type manganese dry battery has a conductive carbon coat the surface of which contacts the adjacent positive electrode composition and is provided with protrusions of 0.05 to 0.15 mm in height, which serves to prevent the electrodes from sticking to each other even when the electrodes are punched into a prescribed shape by a press mounted with a chute and transported by pressure with the top and bottom of the electrodes facing the respectively specified sides. The protrusions formed on the surface of the coat stick into the positive electrode composition, which serves to reduce the contact resistance with the positive electrode composition, facilitating the easy maintenance of the low contact resistance. Furthermore, since the contact area with the positive electrode composition facing the coat is increased, the current collecting performance is also improved.

REFERENCES:
patent: 3565694 (1971-02-01), Chireau
patent: 4407915 (1983-10-01), Brown
patent: 4960655 (1990-10-01), Hope et al.
Search Report for EPO application No. EP-91105305.6, dated Jul. 25, 1991.

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