Process for prelithiation of carbon based anodes for lithium ion

Details Process for prelithiation of carbon based anodes for lithium ion Process for prelithiation of carbon based anodes for lithium ion

1996-12-09

1998-05-19

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

296231, 429218, H01M 1040

Patent

active

057533881

ABSTRACT:
A method of increasing the amount of alkali metal that is available during charge/discharge of an electrochemical cell that employs carbon based intercalation anodes is provided. The method comprises of prealkaliation of the carbon anode. By subjecting the anode carbon to the prealkaliation process prior to packaging the electrochemical cell, substantially all the alkali metal (e.g., lithium) which is originally present in the cathode will be available for migration between the anode and cathode during charge/discharge.

REFERENCES:
patent: 5028500 (1991-07-01), Fong et al.
patent: 5162176 (1992-11-01), Herr et al.
patent: 5436093 (1995-07-01), Huang et al.
Desilvestro, J., et al., "Metal Oxide Cathode Materials for Electrochemical Energy Storage: A Review", Electrochem. Soc., vol. 137, No. 1, pp. 5C-22C (1990) No month.
Dudley, J.T., et al., "Conductivity of electrolytes for rechargeable lithium batteries", Journal of Power Sources, 35:59-82 (1991) No month.

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