Flexible cathodes
申请(专利)号:
US20020290832
申请日期:
2002-11-08
公开/公告号:
US2004091773A1
公开/公告日期:
2004-05-13
申请(专利权)人:
BOCZER CHRISTOPHER;DELNICK FRANK M.;ROSARIO ROSAURO DEL;KANG MINKOO;PAWLOWSKA LUCYNA M.;POZIN MICHAEL;RANA DHARMENDRA;STEVANOVIC MAYA;WECKESSER JOHN J.
被引量:
摘要:
This disclosure relates to methods of making a cathode for a lithium battery. The batteries include: (a) treating a cathode current collector with flame or corona; (b) coating a slurry containing iron disulfide, a first solvent, and a binder onto the cathode current collector obtained from step (a) to form a coated cathode current collector, in which the slurry contains about 73-75% by weight solids and the binder contains a polymer selected from the group consisting of linear di- and tri-block copolymers, linear tri-block copolymers cross-linked with melamine resin, ethylene-propylene copolymers, ethylene-propylene-diene terpolymers, tri-block fluorinated thermoplastics, hydrogenated nitrile rubbers, fluoro-ethylene-vinyl ether copolymers, thermoplastic polyurethanes, thermoplastic olefins, and polyvinylidene fluoride homopolymers; and (c) drying the coated cathode current collector obtained from step (b) to provide a cathode, in which the cathode contains no more than 0.5% by volume of the first solvent and is capable of being bent to 180°. This disclosure also relates to methods of making a lithium battery.
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