Current collector, electrode, and non-aqueous electrolyte...

Details Current collector, electrode, and non-aqueous electrolyte... Current collector, electrode, and non-aqueous electrolyte...

2007-08-28

2010-11-23

Michener, Jennifer (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

C429S218100

Reexamination Certificate

active

07838153

ABSTRACT:
An electrode capable of effectively dispersing or relieving the stress generated in association with expansion and contraction of an active material is provided. The electrode is produced by forming an active material layer on a predetermined current collector. This current collector includes a base and a plurality of projections formed so as to extend outwardly from a surface of the base. The cross section of the projections in a thickness direction of the current collector has a tapered shape in which a width in a direction parallel to the surface of the base narrows from the surface of the base along an extending direction of the projections.

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Chinese Office Action issued in Chinese Patent Application No. CN 200780032330.7 dated Jul. 30, 2010.

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