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:
Sep. 29, 2020

Filed:

Aug. 15, 2016
Applicant:

Murata Manufacturing Co., Ltd., Kyoto, JP;

Inventors:

Kunio Sodeyama, Fukushima, JP;

Masafumi Umekawa, Fukushima, JP;

Kazunori Noguchi, Fukushima, JP;

Takao Mori, Fukushima, JP;

Kazuhiko Suzuki, Fukushima, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/12 (2006.01); H01M 2/02 (2006.01); H01M 2/10 (2006.01); H01M 4/525 (2010.01); H02J 7/00 (2006.01); B60L 58/10 (2019.01); H02J 3/38 (2006.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 2/1241 (2013.01); B60L 58/10 (2019.02); H01M 2/02 (2013.01); H01M 2/1077 (2013.01); H01M 4/525 (2013.01); H01M 10/0525 (2013.01); H02J 3/381 (2013.01); H02J 7/00712 (2020.01); H01M 2220/20 (2013.01);
Abstract

A battery includes: an electrode body; and a battery can housing the electrode body and having a bottom portion. The bottom portion has an arc-shaped groove. An opening angle of the groove with respect to a center of the bottom portion is 0.5 degrees or more and 56 degrees or less. A ratio of an inner diameter of the groove with respect to an outer diameter of the bottom portion is 44% or more and 77% or less.


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