Negative electrode for non-aqueous electrolyte secondary...

Details Negative electrode for non-aqueous electrolyte secondary... Negative electrode for non-aqueous electrolyte secondary...

2005-01-25

2005-01-25

Cantelmo, Gregg (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

Reexamination Certificate

active

06846593

ABSTRACT:
100 parts by weight of a carbon material having irreversible capacity and 20 to 150 parts by weight of a lithium-containing complex nitride represented by the general formula Li3-XMXN wherein M is at least one selected from the group consisting of Co, Ni, Mn and Cu, and wherein 0.2≦X≦0.8, are included in a negative electrode thereby to compensate for the irreversible capacity of the carbon material by the above-described nitride. This enables the maximum utilization of large capacity possessed by an amorphous carbon or low crystalline carbon, thereby making it possible to provide a non-aqueous electrolyte secondary battery having high capacity and excellent cycle reversibility.

REFERENCES:
patent: 07-078609 (1995-03-01), None
patent: 09-235111 (1997-09-01), None
patent: 11-288705 (1999-10-01), None
patent: 11-297310 (1999-10-01), None
patent: 2000-164207 (2000-06-01), None
patent: 2001-052699 (2001-02-01), None
JPO Web-site machine translation of JP 09-235111-A.*
JPO Web-site machine translation of JP 11-288705-A.*
Tokumitsu, K., et al., Electrochemical Insertion of Lithium into Hard Carbon Synthesized from Condensed Aromatics,The Committee of Battery Technology, The 39th Battery Symposium in Japan,pp. 434-444 (1998).

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