Crosslinked aniline polymer and preparation method and application thereof
Through the development of crosslinked aniline polymers, the problem of unstable lithium battery positive electrode materials under high voltage is solved, and the high performance and long life of lithium batteries are achieved.
CN119751859AActive Publication Date: 2025-04-04WUYI UNIV
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Patent Information
- Application Number
- CN202411838637.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2044-12-13
AI Technical Summary
Technical Problem
The existing lithium battery positive electrode materials are unstable under high voltage conditions, resulting in a degradation of battery performance.
Method used
A crosslinked aniline polymer was developed to prepare aniline polymer with high stability by cross-linking reaction of 5,5-dimethyl-1,3-bis(ethylene oxide methyl)imidazolidine-2,4-dione and an aniline compound.
Benefits of technology
The aniline polymer exhibits good stability at high voltages, improving the comprehensive performance of lithium batteries, including high specific capacity and long cycle life.
✦ Generated by Eureka AI based on patent content.
Abstract
The invention discloses a cross-linked aniline polymer as well as a preparation method and application thereof. The structural formula of the aniline polymer is # imgabs0 #, A is selected from # imgabs1 #, any three of R1-6 are # imgabs2 # and are connected with-N in the structural formula through chemical bonds, and the rest R1-6 are at least one of-H,-NH2,-CH3 and aromatic amine; wherein any three of R7-21 are # imgabs3 and are connected with-N in the structural formula through chemical bonds, and the rest R7-21 are at least one of-H,-NH2,-CH3 and aromatic amine. The aniline polymer disclosed by the invention is a polymer with a cross-linked structure, has relatively good stability and can realize a high-voltage property, and when the aniline polymer disclosed by the invention is used as a positive electrode material, the stability of a battery under high voltage can be ensured, so that the comprehensive performance of the battery is further improved.
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