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. 25, 2024

Filed:

Oct. 10, 2019
Applicants:

Sanyo Electric Co., Ltd., Daito, JP;

Panasonic Corporation, Kadoma, JP;

Inventors:

Ryoichi Wakimoto, Hyogo, JP;

Kazutaka Mita, Hyogo, JP;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/103 (2021.01); H01M 50/188 (2021.01); H01M 50/414 (2021.01); H01M 50/491 (2021.01); H01M 50/409 (2021.01); H01M 50/463 (2021.01);
U.S. Cl.
CPC ...
H01M 50/103 (2021.01); H01M 50/188 (2021.01); H01M 50/414 (2021.01); H01M 50/491 (2021.01); H01M 50/409 (2021.01); H01M 50/463 (2021.01);
Abstract

There is provided a prismatic power storage device having a reduced weight and ensuring a space for an electrode body that expands during charging, while the rigidity of an insulating sheet is ensured. A prismatic power storage device according to an aspect of the present disclosure includes: an electrode body () including a positive electrode plate, a negative electrode plate, and a separator disposed between the positive electrode plate and the negative electrode plate; an insulating holder () formed by shaping an insulating sheet () into a box shape and accommodating the electrode body (); a prismatic outer case having an opening and accommodating the electrode body () and the insulating holder (); and a sealing body sealing the opening of the outer case. The insulating sheet () includes a porous body.


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