Lithium-based polymer electrolyte electrochemical cell

Details Lithium-based polymer electrolyte electrochemical cell Lithium-based polymer electrolyte electrochemical cell

1993-03-10

1993-08-31

Maples, John S.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

429192, 429218, 429224, H01M 614, H01M 450, H01M 448

Patent

active

052407900

ABSTRACT:
A primary or secondary electrochemical cell includes an anode containing lithium when in a charged state, a relatively solid gelled electrolyte system including an amount of polyacrylonitrile (PAN), an amount of solvent and plasticizer that includes .gamma.-butyrolactone (.gamma.-BL) and an amount of lithium electrolyte salt, preferably a combination of LiAsF.sub.6 and LiBF.sub.4, and a cathode having a cathode active material selected from transition metal oxides and lithium transition metal oxide intercalation compounds.

REFERENCES:
patent: 4804596 (1989-02-01), Ebner et al.
patent: 4853304 (1989-08-01), Ebner et al.
patent: 4948490 (1990-08-01), Venkatasetty
patent: 5037713 (1991-08-01), Yoshino et al.
patent: 5147739 (1992-09-01), Beard
patent: 5176969 (1993-01-01), Miyabayashi et al.

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