Nonaqueous electrolyte secondary battery

Details Nonaqueous electrolyte secondary battery Nonaqueous electrolyte secondary battery

2005-05-04

2008-11-25

Ryan, Patrick (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

C429S223000, C429S218100

Reexamination Certificate

active

07455933

ABSTRACT:
A nonaqueous electrolyte secondary battery includes a nonaqueous electrolyte and a positive electrode including an active material containing lithium composite oxide powder, the lithium composite oxide powder includes secondary particles, exhibits a peak intensity ratio satisfying the following formula (4), satisfies the following formula (5), and has a particle distribution wherein a particle diameter at a volumetric cumulative frequency of 90% (D90) falls within the range of 10 to 25 m, and the nonaqueous electrolyte contains a sultone compound including a ring having at least one double bond;in-line-formulae description="In-line Formulae" end="lead"?2≦(I003/I104)<5   (4)in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?0.95≦(XLi/XM)≦1.02.   (5)in-line-formulae description="In-line Formulae" end="tail"?

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U.S. Appl. No. 11/834,451, filed Aug. 6, 2007, Inada, et al.

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