Method of manufacturing positive electrode for nonaqueous cell

Details Method of manufacturing positive electrode for nonaqueous cell Method of manufacturing positive electrode for nonaqueous cell

1978-09-06

1980-08-05

Esposito, Michael F.

Coating processes

Electrical product produced

Fuel cell part

4271263, 427350, 427377, 427226, 429224, B05D 512, B05D 302, B05D 312

Patent

active

042162475

ABSTRACT:
The present invention discloses a method of manufacturing positive electrodes for nonaqueous cells in which manganese dioxide is used as positive active material and light metals such as lithium, sodium or aluminium are used as negative active material, said method comprising the steps of adding to manganese dioxide active material powder, a binder and a viscous agent solution decomposable at temperatures lower than the melting point of the binder, thereby to form paste, applying such paste to the supporting member, and heat-treating this paste-applied supporting member firstly at the decomposition temperature of the viscous agent in an oxidization atmosphere, and secondly at the melting point of the binder under vacuum or in an inert atmosphere, whereby a decrease in the discharge capacity during the manufacture is restrained, to improve the cell performance.

REFERENCES:
patent: 3925100 (1975-12-01), Buzzelli
patent: 3939010 (1976-02-01), Coleman
patent: 4091178 (1978-05-01), Kordesch
patent: 4096318 (1978-06-01), Wurmb
patent: 4133856 (1979-01-01), Ikeda
"MnO.sub.2 Symposium", Ikeda et al., MnO.sub.2 as Cathode for Lithium Batteries p. 384-401 (1975).

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