Non-aqueous electrolytic solution and lithium secondary battery

Chemistry: electrical current producing apparatus – product – and – Process of cell operation

Reexamination Certificate

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C429S326000, C429S338000, C429S341000

Reexamination Certificate

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07968220

ABSTRACT:
A non-aqueous electrolytic solution favorably employable for a lithium secondary battery employs a non-aqueous electrolytic solution which comprises a non-aqueous solvent and an electrolyte which further contains 0.001 to 0.8 weight % of a biphenyl derivative having the formula:in which each of Y1and Y2represents hydroxyl, alkoxy, hydrocarbyl, hydrogen, acyloxy, alkoxycarbonyloxy, alkylsulfonyloxy, or halogen, and each of p and q is an integer of 1 to 3.

REFERENCES:
patent: 5879834 (1999-03-01), Mao
patent: 6074776 (2000-06-01), Mao et al.
patent: 6074777 (2000-06-01), Reimers et al.
patent: 6534218 (2003-03-01), Okada et al.
patent: 63-102173 (1988-05-01), None
patent: 7302614 (1995-11-01), None
patent: 10-321258 (1998-12-01), None
patent: 11-329493 (1999-11-01), None
Certified Translation of JP 11-329493A—Nov. 1999.
Martin Winter et al, Graphites for Lithium-ion Cells: The Correlation of the First-Cycle Loss with the Brunauer-Emmett-Teller Surface Area, J. Electrochem. Soc., vol. 145, No. 2. Feb. 1998, p. 428-429.

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