Coating processes – Electrical product produced
Patent
1998-03-10
2000-03-07
Beck, Shrive
Coating processes
Electrical product produced
429 49, 427122, 4271266, B05D 512, H01M 404, H01M 446
Patent
active
060337222
ABSTRACT:
An electrode plate in which electrode active material powder and an electrode mixture layer mainly composed of a thermoplastic binder are held on a conductive substrate is crushed. Then, the crushed materials are mixed with organic solvent so that a coating material made of the crushed electrode is prepared. The coating material made of the crushed electrode is applied to the surface of the conductive substrate so that an electrode is manufactured. As an alternative to this, an electrode mixture coating material made of electrode active material powder, thermoplastic resin and organic solvent is dried so that a solid electrode is obtained. Crushed materials obtained by crushing the solid electrode are mixed with organic solvent so that a coating material made of the crushed electrode is prepared. The coating material made of the crushed electrode is applied to the conductive substrate so that an electrode is manufactured. The manufacturing methods enable an electrode having excellent characteristics to be manufactured with a low cost by reusing a waste coating material generated because of a process for manufacturing electrodes or scraps of electrodes or electrodes included in spent batteries.
REFERENCES:
patent: 5491037 (1996-02-01), Kawakami
patent: 5569555 (1996-10-01), Goldstein et al.
patent: 5789095 (1998-08-01), Miyagawa et al.
Hisagen Yoshiaki
Kawagishi Setuo
Kimura Shigeo
Koike Takeshi
Terui Tsunekazu
Beck Shrive
Kolb Jennifer L.
Mitsumaru Chemical Co. Ltd.
Sony Corporation
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