Extrusion of electrode material by liquid injection into extrude

Details Extrusion of electrode material by liquid injection into extrude Extrusion of electrode material by liquid injection into extrude

1996-05-24

1998-03-10

Weber, Thomas R.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

B29C 4710

Patent

active

057258228

ABSTRACT:
An electrode sheet product is formed using an extruder having a feed throat and a downstream section by separately mixing an active electrode material and a solid polymer electrolyte composition that contains lithium salt. The active electrode material is fed into the feed throat of the extruder, while a portion of at least one fluid component of the solid polymer electrolyte composition is introduced to the downstream section. The active electrode material and the solid polymer electrolyte composition are compounded in a downstream end of the extruder. The extruded sheets, adhered to current collectors, can be formed into battery cells.

REFERENCES:
patent: 4818643 (1989-04-01), Cook et al.
patent: 4859068 (1989-08-01), Sironi
patent: 5190711 (1993-03-01), Blemberg
patent: 5316556 (1994-05-01), Morris

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