Electrode plate for battery, electrode group for battery,...

Details Electrode plate for battery, electrode group for battery,... Electrode plate for battery, electrode group for battery,...

2008-07-22

2010-11-30

Ryan, Patrick (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

C429S094000, C029S623100, C029S623300

Reexamination Certificate

active

07842418

ABSTRACT:
An electrode plate includes a both-surface coated part14in which an electrode active material layer13is provided on both surfaces of a current collector core material12, a core material exposed part18in which the negative electrode active material layer13is not provided, and a one-surface coated part17in which the negative electrode active material layer13is provided on only one surface of the current collector core material12. A plurality of grooves10are formed in both surfaces of the both-surface coated part14and the grooves10are not formed in the one-surface coated part17.

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Japanese Office Action, with English Translation, issued in Japanese Patent Application No. JP 2008-187405, dated Apr. 21, 2009.

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