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:
Sep. 15, 2015
Filed:
Dec. 29, 2011
Li-duan Tsai, Hsinchu, TW;
Yueh-wei Lin, Hsinchu, TW;
Chia-chen Fang, Taipei, TW;
Cheng-liang Cheng, Hsinchu, TW;
Jing-pin Pan, Hsinchu County, TW;
Tsung-hsiung Wang, Taichung, TW;
Li-Duan Tsai, Hsinchu, TW;
Yueh-Wei Lin, Hsinchu, TW;
Chia-Chen Fang, Taipei, TW;
Cheng-Liang Cheng, Hsinchu, TW;
Jing-Pin Pan, Hsinchu County, TW;
Tsung-Hsiung Wang, Taichung, TW;
Industrial Technology Research Institute, Hsinchu, TW;
Abstract
A non-aqueous electrolyte including a lithium salt, an organic solvent, and an electrolyte additive is provided. The electrolyte additive is a meta-stable state nitrogen-containing polymer formed by reacting Compound (A) and Compound (B). Compound (A) is a monomer having a reactive terminal functional group. Compound (B) is a heterocyclic amino aromatic derivative as an initiator. A molar ratio of Compound (A) to Compound (B) is from 10:1 to 1:10. A lithium secondary battery containing the non-aqueous electrolyte is further provided. The non-aqueous electrolyte of this disclosure has a higher decomposition voltage than a conventional non-aqueous electrolyte, such that the safety of the battery during overcharge or at high temperature caused by short-circuit current is improved.