Method of forming a separator integral with an electrode

Details Method of forming a separator integral with an electrode Method of forming a separator integral with an electrode

1980-03-24

1981-06-30

Hess, Bruce H.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

1563031, 427180, 427202, 427214, 428210, 428325, 428403, 428406, 429130, B05D 112, B32B 516

Patent

active

042761107

ABSTRACT:
The method of the present invention comprises coating the surface of particles, such as glass beads, with a first coating, placing the coated particles in spaced relationship within a die so as to expose a portion of that coating, contacting that exposed portion with a second coating of material which forms an adhesive, and pressing the particles while still in the die against an electrode surface for a time and at a pressure sufficient to deform that surface and to bond the particles to that surface by the second coating without crushing the particles. The particles may be imbedded up to about 35% of their average diameter. The second coating is applied by a kiss coating technique utilizing a roller or the like. The electrode is thus provided with strongly adherent, discrete spaced particles which act as a separator to space the electrode from another electrode or the like. The method is simple, inexpensive, rapid and efficient. The coating materials can be selected so as to be highly resistant to chemical and other forms of degradation in use.

REFERENCES:
patent: 1626508 (1927-04-01), Carlson
patent: 2988587 (1961-06-01), Haring
patent: 3156586 (1964-11-01), Solomon et al.
patent: 3279316 (1966-10-01), Penton et al.
patent: 3285782 (1966-11-01), Carson et al.
patent: 3480460 (1969-11-01), Breton et al.
patent: 3573954 (1971-04-01), Yamamoto

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