Progress in the Application of Conductive Additives in Lithium-Ion Capacitors

doi:10.12422/j.issn.1006-396X.2026.04.001

Abstract

Abstract:

With the global demand for clean energy and efficient energy storage technologies continually rising,lithium-ion capacitors (LICs) are being increasingly utilized in electric vehicles,portable electronic devices,and large-scale energy storage systems. Conductive additives,as essential components of electrode materials,play a crucial role in enhancing the electrochemical performance of LICs by constructing efficient conductive networks.This review provides a comprehensive overview of the roles, types,and effects of conductive additives in LICs,with a particular emphasis on the application examples and advantages of emerging additives such as graphene and carbon nanotubes.Furthermore,the synergistic effects of composite conductive additives are discussed,along with an analysis of the current industrial status and future development trends of conductive additives.This review aims to offer theoretical insights and practical references for the optimized design and application development of LICs.

Key words: Lithium-ion capacitors, Conductive additives, Carbon black, Graphene, Carbon nanotubes, Electrochemical performance

摘要：

随着全球对清洁能源和高效储能技术需求的不断增长，锂离子电容器（LICs）在电动汽车、便携式电子设备及大规模储能系统中的应用日益广泛。导电添加剂作为电极材料的重要组成部分，通过构建高效的电子传输网络，在提升LICs电化学性能方面发挥着关键作用。系统综述了导电添加剂在LICs中的作用机制、主要类型及其对器件性能的影响，重点分析了石墨烯、碳纳米管等新型导电添加剂的应用实例与性能优势。此外，还探讨了复合导电添加剂的协同效应，并梳理了导电添加剂的产业化现状及未来发展趋势。本综述可为LICs的优化设计与应用开发提供理论依据与实践参考。

关键词: 锂离子电容器, 导电添加剂, 炭黑, 石墨烯, 碳纳米管, 电化学性能

CLC Number:

TQ152

Yanyan KONG, Heqiang LIU, Jianwei XU, Chen LI, Yang LIU, Xiong ZHANG. Progress in the Application of Conductive Additives in Lithium-Ion Capacitors[J]. Journal of Petrochemical Universities, 2026, 39(4): 1-12.

孔妍妍, 刘贺强, 徐建伟, 李晨, 刘洋, 张熊. 导电添加剂在锂离子电容器中的应用进展[J]. 石油化工高等学校学报, 2026, 39(4): 1-12.

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URL: https://journal.lnpu.edu.cn/syhg/EN/10.12422/j.issn.1006-396X.2026.04.001

https://journal.lnpu.edu.cn/syhg/EN/Y2026/V39/I4/1

Figures/Tables 4

Fig.1 Electrode morphology and electrochemical performance characterization of graphene-based LICs[51,53,55]

Fig.2 Schematic of the synthesis of MRPG/CNT and the electrochemical properties of MRPG/CNT//MRPG/CNT LICs[62]

Fig.3 Electrode morphology and electrochemical performance characterization of carbon nanotube-based LICs[63-65]

Fig.4 Synthesis and morphology of M-HC and electrochemical performance of M-HC//M-AC LICs devices[70]

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