The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 21, 2010

Filed:

Dec. 18, 2007
Applicants:

Masayuki Tsunekawa, Tokyo, JP;

Tadafumi Shindo, Tokyo, JP;

Inventors:

Masayuki Tsunekawa, Tokyo, JP;

Tadafumi Shindo, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

There is disclosed an electrode plate for a nonaqueous electrolyte secondary battery, which comprises a collector and an active material layer provided on at least one side of the collector, in which the active material layer has one or more slits. Such an electrode plate can facilitate infiltration of a liquid electrolyte even when wound at high density and can have high stability of quality. There is also disclosed a nonaqueous electrolyte secondary battery with high capacity and high quality, which is constructed using the above-mentioned electrode plate.


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