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    题名 作者 年代 出处 被引量
1石榴石型Li_(7)La_(3)Zr_(2)O_(12)复合固体电解质的研究进展显示文摘与Li_(7)La_(3)Zr_(2)O_(12)(LLZO)片状陶瓷固体电解质相比,LLZO复合固体电解质在复合材料的协同作用下,改善固体电解质与电极界面的润湿性,降低界面电阻,并抑制锂枝晶的生长,提高电池的循环稳定性。室温下离子电导率为10^(-4)~10^(-3) S/cm数量级。重点阐述了LLZO基复合固体电解质和LLZO/聚合物固体电解质的最新研究进展,讨论了LLZO含量、晶粒尺寸、微观形貌等对其锂离子传输途径、离子电导率和电池性能的影响,并提出了LLZO复合固体电解质的未来发展方向。刘楚薇 王建明 王漪霏 刘涛 2021功能材料2021,52,11:1
23D porous PTFE membrane filled with PEO-based electrolyte for all solid-state lithium-sulfur batteries显示文摘Owing to the low cost and high theoretical energy density,lithium-sulfur battery has become one of the most promising energy storage battery systems.However,the inherent cycle instability and safety problems of traditional liquid lithium-sulfur batteries greatly limit their commercial applications.In this work,polytetrafluoroethylene(PTFE)membrane was introduced into Li_(7)La_(3)Zr_(2)O_(12)(LLZO)@poly(ethylene oxide)(PEO)-based composite electrolyte as a supporting framework to prepare a new PTFE@LLZO@PEO composite electrolyte for lithium-sulfur battery.The introduction of PTFE membrane further improved the mechanical properties and thermal stability of the electrolyte.The ionic conductivity of the prepared PTFE@LLZO@PEO solid electrolyte was5.03×10^(-5)S·cm^(-1)at 30℃and 2.54×10^(-4)S·cm^(-1)at60℃.Moreover,the symmetric battery exhibited high cycle stability(300 h).The Li-S battery based on PTFE@LLZO@PEO electrolyte exhibited excellent electrochemical performance.Zhen-Chao Li Teng-Yu Li Yi-Rui Deng Wen-Hao Tang Xiao-Dong Wang Jin-Lin Yang Qiang Liu Lei Zhang Qiang Wang Rui-Ping Liu 2022Rare Metals2022,41,8:0
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