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影响因子：19.0

DOI码：10.1002/adfm.202305072

发表刊物：ADVANCED FUNCTIONAL MATERIALS

关键字：ionic conductivity, polymer electrolytes, single-ion conductors, solid state batteries, transference number

摘要：Single-ion conductive polymer electrolytes (SICPEs) with cationic transference number (tLi+) close to unity exhibit specific advantages in solid-state batteries (SSBs), including mitigating the ion concentration gradient and derived problems, suppressing the growth of lithium dendrites, and improving the utilization of cathode materials and the rate performance of SSBs. However, the application of SICPEs remains a major challenge; i.e., the ionic conductivity is inferior at room temperature. Therefore, the recent accomplishments in improving the ambient ionic conductivity to be compatible with a high transference number of SICPEs are discussed in this review. In particular, some strategies of delocalizing charges in polyanions, designing a highly conductive polymer matrix, and utilizing synergistic effects in SICPEs are focused to shed light on the further development of solid polymer electrolytes for SSBs. Finally, multifunctional species of SICPEs are discussed in view of the mechanical contact and/or charge transfer problems at the solid-solid interface in SSBs.

论文类型：文章

论文编号：2305072

是否译文：否

发表时间：2023-01-01

收录刊物：SCI