Continuous process to produce lithium-polymer batteries

Details Continuous process to produce lithium-polymer batteries Continuous process to produce lithium-polymer batteries

1996-05-24

1998-05-12

Maples, John S.

Metal working

Method of mechanical manufacture

Electrical device making

429192, H01M 1040

Patent

active

057499276

ABSTRACT:
Solid polymer electrolytes are extruded with active electrode material in a continuous, one-step process to form composite electrolyte-electrodes ready for assembly into battery cells. The composite electrolyte-electrode sheets are extruded onto current collectors to form electrodes. The composite electrodes, as extruded, are electronically and ionically conductive. The composite electrodes can be overcoated with a solid polymer electrolyte, which acts as a separator upon battery assembly. The interface between the solid polymer electrolyte composite electrodes and the solid polymer electrolyte separator has low resistance.

REFERENCES:
patent: 4272353 (1981-06-01), Lawrance et al.
patent: 4818643 (1989-04-01), Cook et al.
patent: 4925544 (1990-05-01), Goldring
patent: 5013619 (1991-05-01), Cook et al.
patent: 5348824 (1994-09-01), Duval
patent: 5424151 (1995-06-01), Koksbang et al.
patent: 5508129 (1996-04-01), Barker

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