Binary halogen substituted ferrocenyl polymer as well as preparation method and application thereof

The dihalogen-substituted ferrocene-based polymer prepared by Schiff base polycondensation has solved the corrosion problem of lithium-ion battery cathode materials in marine environments and achieved high-performance electrochemical lithium storage performance, especially maintaining good specific capacity and coulombic efficiency at high current densities.

CN122444947APending Publication Date: 2026-07-24BEIBU GULF UNIV
0 Cites 0 Cited by

Patent Information

Application Number
CN202610649558.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-05-12
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

Existing lithium-ion battery cathode materials are prone to corrosion and interfacial side reactions in high-salt and high-humidity marine environments. Traditional transition metal materials are costly and have poor structural stability. The energy level structure regulation of bipolar polymers, especially the precise introduction of electron-withdrawing groups, has not been fully studied, which limits the improvement of electrochemical performance.

Method used

A dihalogenated ferrocene-based polymer was prepared by Schiff base polycondensation reaction using dihalogenated p-phenylenediamine and 1,1'-ferrocenediformaldehyde, and its stable framework structure was used as a cathode material for lithium-ion batteries.

Benefits of technology

The prepared halogen-substituted ferrocene-based polymer exhibits excellent electrochemical lithium storage performance, high specific capacity and good cycle stability, especially maintaining high specific capacity and coulombic efficiency at high current densities.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

The invention relates to the technical field of lithium ion battery positive electrode materials, in particular to a binary halogen substituted ferrocenyl polymer as well as a preparation method and application thereof. The preparation method comprises the following steps: adding 1, 1 '-ferrocene dicarboxaldehyde and binary halogen p-phenylenediamine into an acid-containing reaction solvent, and standing for reaction at normal temperature to obtain the binary halogen substituted ferrocenyl polymer. The binary halogen substituted ferrocenyl polymer is obtained by using binary halogen p-phenylenediamine and 1, 1 '-ferrocenedicarboxaldehyde as reaction monomers through a Schiff base condensation polymerization reaction, and the binary halogen substituted ferrocenyl polymer contains a large number of halogen groups and a stable skeleton structure, can be used as a lithium ion battery positive electrode material, and can be used as a lithium ion battery negative electrode material. The excellent electrochemical lithium storage performance is realized.
Need to check novelty before this filing date? Find Prior Art