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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.

Patent No.:

US 8951672 B1

PDFFull Text
Date of Patent:
Feb. 10, 2015

Filed:

Jan. 24, 2008

Anode, method of manufacturing it, battery, and method of manufacturing it

Applicants:

Takakazu Hirose, Fukushima, JP;

Kenichi Kawase, Fukushima, JP;

Hideki Nakai, Fukushima, JP;

Rikako Imoto, Fukushima, JP;

Nozomu Morita, Fukuoka, JP;

Inventors:

Takakazu Hirose, Fukushima, JP;

Kenichi Kawase, Fukushima, JP;

Hideki Nakai, Fukushima, JP;

Rikako Imoto, Fukushima, JP;

Nozomu Morita, Fukuoka, JP;

Assignee:

Sony Corporation, Tokyo, JP;

Attorney:

Dentons US LLP

Primary Examiner:

Melvin C Mayes

Assistant Examiner:

Smita Patel

Int. Cl.
CPC ...
H01M 4/00 (2006.01); C25D 15/02 (2006.01); H01M 4/04 (2006.01); H01M 4/131 (2010.01); H01M 4/134 (2010.01); H01M 4/1391 (2010.01); H01M 4/1395 (2010.01); H01M 4/38 (2006.01); H01M 4/485 (2010.01); H01M 10/0525 (2010.01); H01M 10/0568 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
C25D 15/02 (2013.01); H01M 4/0404 (2013.01); H01M 4/0421 (2013.01); H01M 4/131 (2013.01); H01M 4/134 (2013.01); H01M 4/1391 (2013.01); H01M 4/1395 (2013.01); H01M 4/38 (2013.01); H01M 4/485 (2013.01); H01M 10/0525 (2013.01); H01M 10/0568 (2013.01); H01M 2004/027 (2013.01); Y02E 60/122 (2013.01);
Abstract

A battery capable of improving the cycle characteristics and the swollenness characteristics is provided. The battery includes a cathode, an anode, and an electrolytic solution. The node has an anode current collector and an anode active material layer provided thereon, and the anode active material layer contains a plurality of anode active material particles having silicon, and a metal material having a metal element not being alloyed with an electrode reactant in a gap between the anode active material particles.

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