Method of pretreating a cathode for attaining a stable voltage u

Details Method of pretreating a cathode for attaining a stable voltage u Method of pretreating a cathode for attaining a stable voltage u

1992-03-02

1994-03-29

Chaudhuri, Olik

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

429218, 423593, H01M 400

Patent

active

052983498

ABSTRACT:
A chemical pretreatment method for inserting lithium into cathode active material silver vanadium oxide to provide a reduced form of silver vanadium oxide which, when included into a cathode mixture and incorporated into an electrochemical cell, may result in a cell with a lowered initial open circuit voltage, thereby eliminating the need to lower unstably high initial cell voltages through external loads after cell construction.

REFERENCES:
patent: 3933688 (1976-01-01), Dines
patent: 4391729 (1983-07-01), Liang et al.
patent: 4731307 (1988-03-01), Guidotti
patent: 4761487 (1988-08-01), Godshall
patent: 4964877 (1990-10-01), Keister et al.
Takeuchi et al., "Lithium/Silver Vanadium Oxide Batteries with Various Silver to Vanadium Ratios," J. Power Sources 21(1987) pp. 131-141.
Whittingham et al. "n-Butyllithium-an Effective General Cathode Screening Agent", J. Electro Chem. Soc. 124(1977)1387.

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