Enhancing High-Voltage Cycling Stability of LiCoO₂ via a Cyclized Polyacrylonitrile Coating

Xiangnan Dai; Guojun Zha; Kexin Chen; Xiaofei Zhang; Mufei Xue; Yunming Li; Hongzhi Luo; Fen-Ning Zhao

doi:10.1039/d6cp00488a

January 1, 2026Physical Chemistry Chemical Physics

Enhancing High-Voltage Cycling Stability of LiCoO₂ via a Cyclized Polyacrylonitrile Coating

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Key Points

This study aims to enhance the high-voltage cycling stability of lithium cobalt oxide (LiCoO₂) materials.
Applied a cyclized polyacrylonitrile coating to lithium cobalt oxide materials
Evaluated cycling stability at high voltage (4.6V)
Measured specific capacity and degradation over cycles
Polyacrylonitrile coating significantly improved cycling stability and specific capacity retention
Detailed degradation metrics showed enhanced performance at high voltage
Data indicated a marked reduction in capacity loss over multiple charge-discharge cycles

Implication

Investigates cycling stability of lithium cobalt oxide using polyacrylonitrile coating, suggesting improved performance.

Abstract

High voltage (4.6V) is a crucial method for enhancing the specific capacity of lithium cobalt oxide (LiCoO₂, LCO) materials; however, this approach significantly compromises their stability. In this study, the...

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Cite This Study

Dai et al. (2026) studied this question.

synapsesocial.com/papers/6a05685ca550a87e60a20f0d https://doi.org/10.1039/d6cp00488a

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Enhancing High-Voltage Cycling Stability of LiCoO₂ via a Cyclized Polyacrylonitrile Coating

Key Points

Implication

Abstract

Discussion

Cite This Study

Enhancing High-Voltage Cycling Stability of LiCoO₂ via a Cyclized Polyacrylonitrile Coating

Key Points

Implication

Abstract

Discussion

Cite This Study

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