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.:
Date of Patent:
Nov. 29, 2016
Filed:
Dec. 11, 2012
Applicant:
Sony Corporation, Tokyo, JP;
Inventors:
Takakazu Hirose, Fukushima, JP;
Kenichi Kawase, Fukushima, JP;
Shinji Tanaka, Kanagawa, JP;
Takashi Fujinaga, Fukushima, JP;
Akira Takamuku, Fukushima, JP;
Assignee:
SONY CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/48 (2010.01); H01M 4/131 (2010.01); H01M 4/36 (2006.01); H01M 4/485 (2010.01); B60L 3/00 (2006.01); B60L 7/14 (2006.01); B60L 11/14 (2006.01); B60L 11/18 (2006.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 4/48 (2013.01); B60L 3/0046 (2013.01); B60L 7/14 (2013.01); B60L 11/14 (2013.01); B60L 11/1816 (2013.01); B60L 11/1842 (2013.01); B60L 11/1846 (2013.01); B60L 11/1859 (2013.01); B60L 11/1875 (2013.01); B60L 11/1877 (2013.01); H01M 4/131 (2013.01); H01M 4/366 (2013.01); H01M 4/485 (2013.01); B60L 2210/40 (2013.01); B60L 2230/30 (2013.01); B60L 2230/34 (2013.01); B60L 2240/545 (2013.01); B60L 2240/547 (2013.01); B60L 2240/549 (2013.01); H01M 10/0525 (2013.01); Y02E 60/122 (2013.01); Y02E 60/721 (2013.01); Y02T 10/70 (2013.01); Y02T 10/7005 (2013.01); Y02T 10/705 (2013.01); Y02T 10/7011 (2013.01); Y02T 10/7077 (2013.01); Y02T 10/7088 (2013.01); Y02T 10/7241 (2013.01); Y02T 90/121 (2013.01); Y02T 90/127 (2013.01); Y02T 90/128 (2013.01); Y02T 90/14 (2013.01); Y02T 90/163 (2013.01); Y02T 90/169 (2013.01); Y04S 10/126 (2013.01); Y04S 30/14 (2013.01);
Abstract
A rechargeable battery including: a positive electrode; a negative electrode including active material; and an electrolytic solution, in which the active material is capable of occluding and releasing lithium ions and includes Si and O as constituent elements, and an atomic ratio (Si/(Si+O)) of Si with respect to Si and O is 30 atomic % to 75 atomic % in a surface of the active material.