التفاصيل البيبلوغرافية
| العنوان: |
Accelerated Selective Li+ Transports Assisted by Microcrack‐Free Anionic Network Polymer Membranes for Long Cyclable Lithium Metal Batteries. |
| المؤلفون: |
Gao, Jingyi, Zhou, Jiaming, Chen, Xiaodie, Tao, Ran, Li, Yao, Ru, Yu, Li, Chang, Kim, Eunjong, Ma, Xiaoting, Wang, Min, Kim, Yoonseob, Lee, Seungkyu, Shin, Dong‐Myeong |
| المصدر: |
Advanced Science; May2024, Vol. 11 Issue 17, p1-10, 10p |
| مصطلحات موضوعية: |
POLYMERIC membranes, POLYMER networks, LITHIUM cells, ELECTRIC vehicle batteries, ELECTRIC charge, ELECTRIC vehicles |
| مستخلص: |
Rechargeable Li metal batteries have the potential to meet the demands of high‐energy density batteries for electric vehicles and grid‐energy storage system applications. Achieving this goal, however, requires resolving not only safety concerns and a shortened battery cycle life arising from a combination of undesirable lithium dendrite and solid‐electrolyte interphase formations. Here, a series of microcrack‐free anionic network polymer membranes formed by a facile one‐step click reaction are reported, displaying a high cation conductivity of 3.1 × 10−5 S cm−1 at high temperature, a wide electrochemical stability window up to 5 V, a remarkable resistance to dendrite growth, and outstanding non‐flammability. These enhanced properties are attributed to the presence of tethered borate anions in microcrack‐free membranes, which benefits the acceleration of selective Li+ cations transport as well as suppression of dendrite growth. Ultimately, the microcrack‐free anionic network polymer membranes render Li metal batteries a safe and long‐cyclable energy storage device at high temperatures with a capacity retention of 92.7% and an average coulombic efficiency of 99.867% at 450 cycles. [ABSTRACT FROM AUTHOR] |
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