Rechargeable accumulator having a manganese dioxide electrode an

Details Rechargeable accumulator having a manganese dioxide electrode an Rechargeable accumulator having a manganese dioxide electrode an

1977-04-14

1978-06-20

LeFevour, Charles F.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

429203, 429204, 429221, 429222, 429224, 429225, 429229, H01M 604

Patent

active

040963187

ABSTRACT:
An accumulator having an acid electrolyte and possessing two electrodes of the first kind mounted on base electrodes. The active material on the positive side contains manganese dioxide. The base electrode on the negative side consists of powdered graphite embedded in a binder which is resistant to the electrolyte. The base electrode on the positive side has a coarse porous structure and consists of graphite or titanium coated with titanium nitride or titanium carbide. The average pore diameters are from 0.1 to 2 mm and the pore volume is from 20 to 70%.

REFERENCES:
patent: 2496709 (1950-02-01), Gelardin
patent: 3390014 (1968-06-01), Eisler
patent: 3576674 (1971-04-01), Ruben
patent: 3816177 (1974-06-01), Walsh
patent: 3939010 (1976-02-01), Coleman et al.

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