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.
Patent No.:
Date of Patent:
Oct. 31, 2023
Filed:
Mar. 15, 2021
Honda Motor Co., Ltd., Tokyo, JP;
Ken Baba, Saitama, JP;
Takeshi Fujino, Saitama, JP;
HONDA MOTOR CO., LTD., Tokyo, JP;
Abstract
To provide a negative electrode for a lithium ion secondary battery having more improved durability than conventionally, and a lithium ion secondary battery including the same. A negative electrode for a lithium ion secondary battery including a negative electrode active material in which an organic molecule having a dielectric constant larger than that of an electrolyte solvent is chemically bonded, and a lithium ion secondary battery including the same. Preferable examples of the organic molecule include a molecule having a relative dielectric constant of 90 or more at a frequency of 10 kHz, a molecule having a molecular structure that undergoes polarization in a single molecule or between molecules, a zwitter ion compound having a positive electric charge and a negative electric charge in one molecule, hydroxy acid, and a molecule having a molecular weight of 39 to 616.