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:
Jan. 20, 2026

Filed:

Aug. 30, 2022
Applicant:

Tdk Corporation, Tokyo, JP;

Inventor:

Takashi Mori, Tokyo, JP;

Assignee:

TDK CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/62 (2006.01); H01M 4/38 (2006.01); H01M 4/48 (2010.01); H01M 4/587 (2010.01); H01M 10/0525 (2010.01); H01M 10/0568 (2010.01); H01M 10/0569 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/622 (2013.01); H01M 4/386 (2013.01); H01M 4/483 (2013.01); H01M 4/587 (2013.01); H01M 4/625 (2013.01); H01M 10/0525 (2013.01); H01M 10/0568 (2013.01); H01M 10/0569 (2013.01); H01M 2004/027 (2013.01); H01M 2300/0037 (2013.01);
Abstract

A lithium-ion secondary battery containing: a positive electrode; a negative electrode; a separator between the positive electrode and the negative electrode; and an electrolyte, in which the negative electrode may contain silicon or a silicon compound, a binder, and a carbon nanotube, the binder may contain a compound having a structure in which a linear molecule penetrates a cyclic molecule, and the electrolyte may contain an electrolytic salt containing one or more elements selected from the group consisting of boron, carbon, nitrogen, oxygen, and sulfur.


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Mori, Takashi. (2026). Lithium-ion secondary battery (U.S. Patent No. 12531245). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12531245

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