Vibration filling of foam-structure and fiber-structure electrod

Details Vibration filling of foam-structure and fiber-structure electrod Vibration filling of foam-structure and fiber-structure electrod

1993-07-21

1995-06-27

Miller, Edward A.

Fluent material handling, with receiver or receiver coacting mea

Processes

Battery grid pasting

141 11, 141 32, 141 69, 29 2, 296231, 2521821, 429222, H01M 480

Patent

active

054271584

ABSTRACT:
An aqueous cadmium oxide paste of high flowability for the vibration filling of foam-structure and fiber-structure electrode plaques is characterized by a cadmium oxide content of about 25 to 35% by volume, a pH of about 10 to 12.5, a content of about 0.5 to 2.5% by weight, based on cadmium oxide, of one or more dispersants from the group comprising the water-soluble salts of polyphosphoric acids, di- and polyphosphonic acids and their derivatives, gluconic acid or of antimonyl tartrate. The paste has a plastic viscosity of about 0.1 to 1 Pa.s and also a yield value of between about 10 and 120 Pa. This cadmium oxide paste makes it possible to fill foam-structure and fiber-structure electrode plaques completely in one operation.

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