Anti-interference pole piece structure

By introducing an antistatic layer, an insulating layer, a conductive shielding layer, and a magnetic absorption layer into the electrode structure, a multi-layered synergistic protection mechanism is formed, which solves the problem of external electromagnetic field interference on the electrode, improves the stability and safety of the battery, and extends the battery life.

CN224318465UActive Publication Date: 2026-06-02CHONGQING ZIJIAN NEW ENERGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHONGQING ZIJIAN NEW ENERGY CO LTD
Filing Date
2025-04-27
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

Existing electrode structures, under the interference of external electromagnetic fields, lead to errors in SOC estimation, failure of charging control, increased risk of overcharging/over-discharging, shortened lifespan, and discharge risk caused by static electricity accumulation, affecting battery safety and reliability.

Method used

An antistatic layer, a high insulation layer, a conductive shielding layer, and a magnetic absorption layer are introduced into the electrode structure to eliminate static electricity, isolate interference propagation, reflect and absorb electromagnetic waves, forming a multi-layered synergistic protection mechanism.

Benefits of technology

It significantly improves the stability and safety of the electrode in complex electrostatic environments, reduces the impact of external electromagnetic fields on battery charging and discharging efficiency and SOC estimation accuracy, extends battery life, and prevents performance degradation or safety accidents caused by electrostatic discharge.

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Abstract

The utility model discloses an anti -interference's pole piece structure relates to pole piece technical field, and the utility model discloses through the static electricity source head elimination of antistatic layer, high insulation layer separates the interference spread, ensures the stability of pole piece body in complex electrostatic environment, and each layer function is independent and is coordinated, avoids the performance trade -off of single material thickness increase, and the influence battery energy density is caused to the conductive shielding layer too thick, and the conductive shielding layer is combined with magnetic absorption layer, realizes the double mechanism of electromagnetic wave reflection and absorption, and the antistatic layer cooperates with high insulation layer, and the demand of electric conduction and insulation is given full play to, promotes battery reliability and security, reduces the influence of external electromagnetic field to battery charge -discharge efficiency, SOC estimation accuracy, prolongs battery service life, and high insulation layer avoids active material layer and current collector or external circuit short circuit, promotes battery security, prevents static electricity discharge and leads to battery performance degradation or causes the safety accident.
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