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:
Nov. 24, 2015

Filed:

Jun. 22, 2011
Applicants:

Takahiro Asai, Kanagawa, JP;

Takashi Ono, Kanagawa, JP;

Kiyoshi Kanamura, Tokyo, JP;

Hirokazu Munakata, Tokyo, JP;

Inventors:

Takahiro Asai, Kanagawa, JP;

Takashi Ono, Kanagawa, JP;

Kiyoshi Kanamura, Tokyo, JP;

Hirokazu Munakata, Tokyo, JP;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/13 (2010.01); H01M 4/58 (2010.01); H01M 4/139 (2010.01); H01M 8/10 (2006.01); H01M 8/02 (2006.01); H01M 4/86 (2006.01); H01M 4/525 (2010.01); H01M 4/04 (2006.01); H01M 4/1395 (2010.01); H01M 10/052 (2010.01); C25D 3/60 (2006.01);
U.S. Cl.
CPC ...
H01M 4/13 (2013.01); H01M 4/139 (2013.01); H01M 4/581 (2013.01); C25D 3/60 (2013.01); H01M 4/0452 (2013.01); H01M 4/1395 (2013.01); H01M 4/525 (2013.01); H01M 4/8605 (2013.01); H01M 4/8626 (2013.01); H01M 8/023 (2013.01); H01M 8/0247 (2013.01); H01M 8/1062 (2013.01); H01M 10/052 (2013.01); Y02E 60/122 (2013.01);
Abstract

An electrode having excellent charge/discharge cycle characteristics and which is capable of improving a secondary battery capacity. An electrode is formed on the surface of a collector as an assembly of multiple porous domain structures that are apart from each other, the porous domain structures each having a polygonal shape without an acute angle in a planar view, the polygonal shape having a maximum diameter of 120 μm or less.


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