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:
May. 28, 2024
Filed:
Sep. 09, 2019
Evonik Operations Gmbh, Essen, DE;
Shasha Su, Shanghai, CN;
Jinhua Jiang, Shanghai, CN;
Jing Feng, Shanghai, CN;
Dong Wang, Shanghai, CN;
Yuan-Chang Huang, Taipei, TW;
Jun Yang, Shanghai, CN;
Bin Lei, Shanghai, CN;
Zhixin Xu, Shanghai, CN;
Evonik Operations GmbH, Essen, DE;
Abstract
A gel composition, in particular a gelled electrolyte, comprising: i) fumed alumina particles, wherein the mean primary particle size of the particle is from 5 to 50 nm and the BET specific surface area is from 40 to 400 m/g; ii) at least two organic solvents; and iii) a lithium salt; wherein the amount of the alumina particles is 0.2-10% by weight based on the total weight of the gel composition. A method to prepare a gelled electrolyte, a Li-ion battery, a Li-ion battery and a device are also provided.