聚吡咯包覆锂离子电池电极材料研究进展

聚吡咯(PPy)是一种典型的导电高分子材料,具有良好的导电性、可逆的电化学氧化还原特性和较强的电荷贮存能力,在空气和水中具有良好的稳定性。利用PPy与各种无机材料间的协同作用,可以将PPy包覆在不同的无机材料上作为锂离子电池的正负极材料,优化材料性能,提高电极综合性能。综合评述了溶胶凝胶法、气相沉积法、电化学沉积法、物理混合等不同方法将PPy包覆在各种锂离子电池电极材料上的研究进展。

Research and development of PPy coating on electrode materials for lithium ion batteries

Polypyrrole(PPy) is a typical conducting polymer with good conductivity,high charge reserve ability and good stability in air or water.It has been used as a conductive agent to coat on many inorganic materials to form excellent electrochemical performance cathode/anode material of lithium battery.It is found the comprehensive performance of the batteries were improved by the complementary and synergic behavior between PPy and the inorganics.In this article,the development of different methods such as sol-ge...