共聚物
电解质
锂(药物)
循环伏安法
反离子
离子电导率
材料科学
电化学
聚合物
兴奋剂
电导率
离子键合
离子
无机化学
聚合物电解质
高分子化学
化学工程
化学
电极
有机化学
复合材料
物理化学
光电子学
医学
工程类
内分泌学
作者
Donald R. Sadoway,Biying Huang,Patrick Trapa,Philip P. Soo,Pallab Bannerjee,Anne M. Mayes
标识
DOI:10.1016/s0378-7753(01)00642-5
摘要
In an attempt to raise the transference number of Li+ to nearly unity in a solid polymer electrolyte, block copolymer materials have been prepared in which the counterions are tethered to the polymer backbone. This immobilizes the “anion” and, in effect, renders the material a single-ion conductor. For such so-called self-doped block copolymer electrolytes (SDBCEs) Li+ transference numbers of ∼0.9 have been measured. In parallel, these materials possess significant ionic conductivity (∼10−5 S cm−1 at 35°C). Cyclic voltammetry has shown the SDBCE to be immune to electrochemical breakdown at voltages exceeding 5 V.
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