Lithium ion electrolytic cell having a controlled electrode surf

Details Lithium ion electrolytic cell having a controlled electrode surf Lithium ion electrolytic cell having a controlled electrode surf

1998-08-20

2000-02-29

Bell, Bruce F.

Chemistry: electrical current producing apparatus, product, and

Process of cell operation

Activation of inactive cell

4292319, 42923195, 429324, 429326, 429331, 429338, H01M 1044

Patent

active

060307196

ABSTRACT:
The present invention is directed to a lithium ion electrolytic cell having a controlled electrode surface interface, and, an associated electrochemical process. The lithium ion electrolytic cell includes an electrode with a carbonaceous surface and a passivating layer, and, an electrolyte having a solvent. The passivating layer includes lithium, carbon and at least one of an additive or the product of interaction of the additive with the carbonaceous surface. The passivating layer has, as measured by X-ray photoelectron spectroscopy, a relative thickness index within the range of about from 10 to about 90, and a lithium ion content index in the range from about 0.1 to about 0.7.

REFERENCES:
patent: 5529859 (1996-06-01), Shu et al.
patent: 5604056 (1997-02-01), Fauteux et al.
patent: 5626981 (1997-05-01), Simon et al.

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