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:
Dec. 02, 2025
Filed:
Jan. 19, 2022
Honda Motor Co., Ltd., Tokyo, JP;
Kiyoshi Tanaami, Saitama, JP;
Toshimitsu Tanaka, Saitama, JP;
Yuji Isogai, Saitama, JP;
Shintaro Aoyagi, Saitama, JP;
Makiko Takahashi, Saitama, JP;
Tomohiro Kinoshita, Saitama, JP;
Takashi Mukai, Osaka, JP;
Yuta Ikeuchi, Osaka, JP;
Taichi Sakamoto, Osaka, JP;
Naoto Yamashita, Osaka, JP;
HONDA MOTOR CO., LTD., Tokyo, JP;
Abstract
To provide a nonaqueous electrolyte secondary battery which enables to suppress durability deterioration, improve energy density, and further suppress a decrease in the function of the nonaqueous electrolyte secondary battery cell. A nonaqueous electrolyte secondary battery, comprising: a positive electrode; and a negative electrode, wherein the negative electrode has: a current collector comprising a porous metal body; and a negative electrode material disposed in pores of the porous metal body, the negative electrode material comprises a negative electrode active material comprising a silicon-based material, a skeleton-forming agent comprising a silicate having a siloxane bond, a conductive auxiliary, and a binder, and a content of the skeleton-forming agent in an outside in a surface direction of the negative electrode is higher than a content of the skeleton-forming agent in an inside in the surface direction of the negative electrode.