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Quasi-Solid-State Ion-Conducting Arrays Composite Electrolytes with Fast Ion Transport Vertical-Aligned Interfaces for All-Weather Practical Lithium-Metal Batteries
Nano-Micro Letters ( IF 31.6 ) Pub Date : 2022-10-31 , DOI: 10.1007/s40820-022-00952-z
Xinyang Li 1 , Yong Wang 1, 2 , Kai Xi 1 , Wei Yu 1 , Jie Feng 1 , Guoxin Gao 1, 3 , Hu Wu 1 , Qiu Jiang 4, 5 , Amr Abdelkader 6 , Weibo Hua 7, 8 , Guiming Zhong 9 , Shujiang Ding 1
Affiliation  

  • The composite gel electrolyte with low tortuosity ion-conducting arrays (GPE/ICAs) exhibiting high room-temperature ionic conductivity (1.08 mS cm−1) was successfully prepared by directionally growing ice crystals and in-situ polymerization.

  • The stable and rapid Li+ migration through ICAs in the GPE is proved by 6Li solid-state nuclear magnetic resonance and synchrotron radiation X-ray diffraction combined with computer simulations.

  • Li/LiFePO4 full cells using GPE/ICAs exhibit excellent cycle performance and high-capacity retention at wide temperature (0–60 °C), which has the potential towards all-weather practical solid-state batteries.



中文翻译:

用于全天候实用锂金属电池的具有快速离子传输垂直排列界面的准固态离子传导阵列复合电解质

  • 通过定向生长冰晶和原位聚合成功制备了具有高室温离子电导率(1.08 mS cm -1 )的低曲折度离子传导阵列(GPE/ICAs)复合凝胶电解质。

  • 通过6 Li 固态核磁共振和同步辐射 X 射线衍射结合计算机模拟证明了 Li +通过 GPE 中的 ICA稳定快速迁移。

  • 使用 GPE/ICA 的Li/LiFePO 4全电池在宽温度(0-60 °C)下表现出优异的循环性能和高容量保持率,具有全天候实用固态电池的潜力。

更新日期:2022-10-31
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