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:
Apr. 21, 2026
Filed:
Oct. 14, 2022
Shenzhen Dynanonic Innovazone New Energy Technology Co., Ltd., Shenzhen, CN;
Zeqin Zhong, Shenzhen, CN;
Yuanxin Wan, Shenzhen, CN;
Lingyong Kong, Shenzhen, CN;
Wangbao Ren, Shenzhen, CN;
Wen Zhong, Shenzhen, CN;
Chengben Zhu, Shenzhen, CN;
Yucai Zhang, Shenzhen, CN;
Zhongke Zhao, Shenzhen, CN;
Abstract
A lithium-replenishing additive is provided. The lithium-replenishing additive includes a lithium-rich-material core and a shell layer disposed at the lithium-rich-material core. The lithium-rich-material core is made of a lithium-rich material with an average chemical formula of aNiMO·bLiO, where 0.95≤x≤1, 0.01≤y≤0.05, 1≤z≤1.15, 0.8≤a≤1.1, 0.8≤b≤1.1, and the M includes one or more of copper (Cu), cobalt (Co), aluminum (Al), titanium (Ti), vanadium (V), zirconium (Zr), or iron (Fe). The shell layer includes a polymer layer. A preparing method of a lithium-replenishing additive and a lithium secondary battery are further provided.