Electrolyte activatable lithium-ion rechargeable battery cell

Details Electrolyte activatable lithium-ion rechargeable battery cell Electrolyte activatable lithium-ion rechargeable battery cell

1993-11-30

1995-10-24

Maples, John S.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

429162, 429185, 429217, 429254, H01M 618, H01M 216

Patent

active

054609046

ABSTRACT:
Li-ion rechargeable battery cell electrode and electrolyte/separator elements formulated as layers of plasticized polymeric matrix compositions are laminated to form a unitary battery cell structure. The structure may be stored indefinitely, since it is essentially devoid of electrolyte solution which typically comprises a moisture-sensitive lithium salt. Prior to the battery's being put into service, the plasticizer of the polymeric composition is removed by leaching with a selective solvent and is replaced with a lithium salt electrolyte solution by simple imbibition. The battery thus activated may then be charged and recharged in the usual manner.

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patent: 4818643 (1989-04-01), Cook et al.
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patent: 4925752 (1990-05-01), Fauteux et al.
patent: 4990413 (1991-02-01), Lee et al.
patent: 5219680 (1993-06-01), Fauteux
patent: 5246796 (1993-09-01), Nagamine et al.

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