丙烯酸类聚合物在锂电池中的应用研究进展

Research Progress on Application of Acrylic Polymers in Lithium Batteries

粘接剂作为锂电池关键辅助材料之一,已从最初提供粘接作用仅起到保持电极机械稳定逐步向绿色环保高效的多功能粘接剂发展,丙烯酸类聚合物含有丰富的极性官能团,在有机电解质中不溶解性以及高的化学稳定性和机械稳定性使其具有优异的电化学性能,可广泛应用于锂电池不同结构部位。本文综述了近年来国内外丙烯酸类粘接剂在锂电池硅阳极、硫阴极、过渡金属盐类及氧化物正极、聚合物电解质以及隔膜改性方面的发展和应用研究现状,以期为高性能锂电池粘接剂研究提供参考。

Polymer binders as one of the key auxiliary components in lithium batteries have gradually developed from providing bonding function to maintaining the mechanical stability of electrodes to environmentally friendly and efficient multifunctional binders.Acrylic polymers exhibit excellent electrochemical properties due to their adequate polar functional groups,insolubility in organic electrolyte and high chemical and mechanical stability.It can be widely used in different structural parts of lithium batteries.In this review,the recent development and application of acrylic polymer binders in lithium batteries silicon anodes,sulfur cathodes,transition metal salt and oxide anodes,polymer electrolyte and separators modification are introduced,in order to provide references for the research of advanced binders for high performance batteries.