介绍了可充锂电池用聚合物电解质的分类、优越性及其新进展。重点介绍了聚环氧乙烷(PEO)基复合聚合物电解质材料的研究现状,指出近年来纳米复合聚合物电解质的出现为可充锂电池的实用化提供了新的希望。此外,还讨论了纳米无机惰性填料在提高电解质电导率、改善锂/电解质界面稳定性及锂离子迁移数方面的作用机理。Classification, advantages and stateofart of research on polymer electrolyte for rechargeable Li batteries were introduced. The stateofart of research of composite polymer electrolyte (CPE) materials based on polyethylene oxide (PEO) were described emphatically. The development of nanosized CPE on the commercialization was also presented. Moreover, the mechanisms of improving the conductivity of electrolyte, modifying the stability of Li/electrolyte interface and enhancing the number of Liion transference with inorganic inert filler in nano size were discussed.国家杰出青年科学基金资助(29925310);; 教育部霍英东优秀年轻教师基金资助(71014
