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. 28, 2022

Filed:

May. 18, 2017
Applicant:

Panasonic Corporation, Kadoma, JP;

Inventors:

Yuma Kamiyama, Osaka, JP;

Kazuki Endo, Hyogo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 50/54 (2021.01); H01M 4/36 (2006.01); H01M 50/46 (2021.01); H01M 10/6555 (2014.01); H01M 10/654 (2014.01); H01M 10/647 (2014.01); H01M 10/058 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 50/54 (2021.01); H01M 4/364 (2013.01); H01M 10/058 (2013.01); H01M 10/647 (2015.04); H01M 10/654 (2015.04); H01M 10/6555 (2015.04); H01M 50/46 (2021.01); H01M 2004/027 (2013.01); H01M 2004/028 (2013.01);
Abstract

A secondary cell includes an electrode body including a plurality of electrode groups each including a plurality of positive electrodes, a plurality of negative electrodes, and at least one separator, the positive electrodes and the negative electrodes each being alternately stacked on each other with the separator interposed in between; and at least one metal plate disposed between the electrode groups. Electrodes that are disposed at both ends of each of the electrode groups are the negative electrodes. The metal plate is in contact with a mixture layer of a negative electrode constituting at least one of the electrode groups, the metal plate being provided in a noncontact state with conductive members other than the mixture layer.


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