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:
Feb. 04, 2025
Filed:
Oct. 28, 2020
Svolt Energy Technology Co., Ltd., Jiangsu, CN;
Jiali Ma, Jiangsu, CN;
Hongxin Yang, Jiangsu, CN;
Weijun Jiang, Jiangsu, CN;
Qiqi Qiao, Jiangsu, CN;
Mingzhu Sun, Jiangsu, CN;
Xinpei Xu, Jiangsu, CN;
Zetao Shi, Jiangsu, CN;
Pengfei Wang, Jiangsu, CN;
Sixian Chen, Jiangsu, CN;
SVOLT ENERGY TECHNOLOGY CO., LTD., Jiangsu, CN;
Abstract
Provided are a lithium nickel manganese oxide composite material, a preparation method thereof and a lithium ion battery. The preparation method includes: a first calcining process is performed on a nano-oxide and a nickel-manganese precursor, to obtain an oxide-coated nickel-manganese precursor; and a second calcining process is performed on the precursor and a lithium source material, to obtain the lithium nickel manganese oxide, and a temperature of the first calcining process is lower than the second calcining process. A a lower temperature, the nano-oxide may be melted, a denser nano-oxide coating layer is formed on the surface of the precursor, so the oxide-coated nickel-manganese precursor is obtained. At a higher temperature, the nano-oxide, a nickel-manganese material and a lithium element may be more deeply combined. A problem that the nano-oxide layer is easy to fall off is solved, and cycle performance of the lithium nickel manganese oxide is greatly improved.