聚吡咯改性在锂电池电极材料中的应用

摘要

导电聚合物聚吡咯因其反应动力学快速、电导率高且加工简易而成为锂电池领域工作者的研究热点之一.但由于其处于还原态时导电性急剧下降,且自身理论比容量不高,因此,目前的研究重点仍放在聚吡咯复合材料的制备与应用上.期望通过改性发挥出复合材料的协同作用以提高锂电池电化学性能.介绍了聚吡咯常见的三种改性方法,并展开叙述,以期为聚吡咯电极改性及其在锂电池中的应用研究提供一定参考价值.%For the characteristics of fast reaction kinetics,high conductivity and good workability,the conductive polymer polypyrrole,was one of the hot topics for professionals in the field of lithium batteries.However,the research conducted nowadays still focused on the preparation and application of polypyrrole-containing composite materials,because of the sharply decline of conductivity when it was reduced and low theoretical capacity.The synergistic reaction of different materials were expected to exert to improve the electrochemical properties of lithium batteries through modification.Three common modification methods of polypyrrole were described.A reference for the research on electrode modification and its application in lithium batteries were provided.