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:
Jun. 05, 2018

Filed:

Jan. 29, 2013
Applicants:

Taira Saito, Miyoshi, JP;

Masato Kamiya, Anjo, JP;

Junpei Terashima, Toyota, JP;

Ayumu Kamakura, Toyota, JP;

Shinji Suzuki, Kariya, JP;

Inventors:

Taira Saito, Miyoshi, JP;

Masato Kamiya, Anjo, JP;

Junpei Terashima, Toyota, JP;

Ayumu Kamakura, Toyota, JP;

Shinji Suzuki, Kariya, JP;

Assignees:

TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota-shi, Aichi, JP;

KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, Kariya-shi, Aichi, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 2/26 (2006.01); H01M 2/30 (2006.01); H01M 10/0525 (2010.01); H01M 2/04 (2006.01); H01M 2/02 (2006.01);
U.S. Cl.
CPC ...
H01M 2/263 (2013.01); H01M 2/305 (2013.01); H01M 10/0525 (2013.01); H01M 2/0217 (2013.01); H01M 2/0473 (2013.01); H01M 2220/20 (2013.01); Y02E 60/122 (2013.01); Y02T 10/7011 (2013.01);
Abstract

A flat electrode body of a battery has a first-side curved end positioned on a first side of an electrode body width direction and a second-side curved end positioned on a second side. A positive electrode innermost curved portion of a positive electrode sheet is disposed inside the first-side curved end. When the dimension from a positive electrode connecting portion to the end on the first side of the electrode body is defined as a distance and the dimension from the positive electrode connecting portion to the end on the second side of the electrode body is defined as a distance, the positive electrode connecting portion being in the positive electrode protrusion wound portion and connected to a terminal connecting portion of a positive terminal member, the terminal connecting portion is connected to the positive electrode connecting portion at a position satisfying the condition Ha≥1.1Hb.


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