Negative electrode for non-aqueous electrolyte secondary...

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

2007-09-21

2011-10-04

Ryan, Patrick (Department: 1726)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

C429S218100, C429S233000, C029S623100, C029S623500

Reexamination Certificate

active

08029933

ABSTRACT:
A negative electrode for a non-aqueous electrolyte secondary battery reversibly inserting and extracting lithium ions, and including current collector having concave portion and convex portion on at least one surface thereof; and columnar body formed on convex portion of current collector and including columnar body portions laminated in n stages (n≧2) in which a content ratio of an element sequentially changes in the longitudinal direction of the current collector. The content ratio of an element is different between in an odd stage and in an even stage of columnar body portions.

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Supplementary European Search Report issued in European Patent Application No. EP 07807702.1 dated Jul. 11, 2011.
K. Robbie et al., “Advanced techniques for glancing angle deposition,” Journal of Vacuum Science & Technology B, vol. 16, No. 3, May 1, 1998, pp. 1115-1122.

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