Dry method for manufacturing hydrogen absorption alloy electrode

Details Dry method for manufacturing hydrogen absorption alloy electrode Dry method for manufacturing hydrogen absorption alloy electrode

1991-02-28

1992-03-31

Kalafut, Stephen

Chemistry: electrical current producing apparatus, product, and

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

429217, 296235, H01M 462, H01M 404

Patent

active

051007479

ABSTRACT:
A hydrogen absorption alloy electrode is manufactured by a dry method in which a fluorine resin powder in an amount of 0.5 to 5.0%, based on the weight of the electrode, is with a hydrogen absorption alloy powder while applying a sufficient shearing force such that the fluorine resin powder is turned into an aggregate of monofilaments each having a diameter D of about 5 to 100 microns, a length L of about 100 to 500 microns, and an aspect ratio L/D of 10 to 100, so as to prepare a cotton-like mixture. The cotton-like mixture is placed on a conductive substrate acting as a current collector, and shaped by a roll pressing.

REFERENCES:
patent: 4337140 (1982-06-01), Solomon
patent: 4396693 (1983-08-01), Bernstein et al.
patent: 4636445 (1987-01-01), Yamano et al.
patent: 4849312 (1989-07-01), Mitsuyasu et al.
Patent Abstracts of Japan, vol. 10, No. 168, (E-411) [2224], 14th Jun. 1986; & JP-A-61 19 063 (Sanyo Denki K.K.) 27-01-1986.

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