Recent Development on Binders for Silicon-Based Anodes in Lithium-Ion Batteries

Xiaoyu Wang; Yu Zhang; Lei Ma; Liangming Wei

doi:10.6023/a18070272

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JOURNAL ARTICLE

Recent Development on Binders for Silicon-Based Anodes in Lithium-Ion Batteries

Xiaoyu Wang Yu Zhang Lei Ma Liangming Wei

Year: 2019 Journal: Acta Chimica Sinica Vol: 77 (1)Pages: 24-24 Publisher: Science Press

DOI: 10.6023/a18070272

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Abstract

在锂离子电池负极材料的研究中,硅材料以其高达4200 mAh·g-1的理论比容量,成为近年来新能源电池领域的研究热点.但是在锂化/去锂化过程中,硅负极体积变化高达300%,导致快速的容量衰减和较短的循环寿命.目前硅负极改性最有效的方法之一,是通过粘结剂来保持活性物质、导电添加剂和集流体间的接触完整性,减少硅材料在充放电循环过程中体积变化引起的裂化和粉碎,保持硅负极的高容量,提升电池循环性能.基于硅材料作为锂离子电池负极的优异特性,以及目前锂离子电池粘结剂的发展,将针对锂离子电池硅基负极粘结剂做出系统讨论,描述不同粘结剂对电池性能的主要影响,为锂离子电池硅基负极粘结剂的开发和应用提供研究方向.

Keywords:

Chemistry Lithium (medication) Anode Silicon Ion Nanotechnology Electrode Organic chemistry Physical chemistry

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Advancements in Battery Materials

Physical Sciences → Engineering → Electrical and Electronic Engineering

Semiconductor materials and devices

Physical Sciences → Engineering → Electrical and Electronic Engineering

Electron and X-Ray Spectroscopy Techniques

Physical Sciences → Materials Science → Surfaces, Coatings and Films

Recent Development on Binders for Silicon-Based Anodes in Lithium-Ion Batteries

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