Cui Yang-Feng, Cao Ren-Fei, Du Jia-Yi, Zhuang Zhen-Bang, Xie Zi-Long, Wang Qing-Shuang, Bao Di, Liu Wan-Qiang, Zhu Yun-Hai, Huang Gang
School of Materials Science and Engineering, Changchun University of Science and Technology, Changchun 130022, China.
State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China.
Chem Commun (Camb). 2023 Feb 23;59(17):2437-2440. doi: 10.1039/d2cc06342e.
Aqueous Zn-based batteries deliver thousands of cycles at high rates but poor recyclability at low rates. Herein, we reveal that this illogical phenomenon is attributed to the reconstructed electrode/electrolyte interface at high rates, wherein the condensed electrical double layer (EDL) and the tightly absorbed Zn ions on the Zn electrode surface afford compact and corrosion-resistant Zn deposits.
水系锌基电池在高倍率下可实现数千次循环，但在低倍率下的循环性能较差。在此，我们揭示了这种不合逻辑的现象归因于高倍率下重建的电极/电解质界面，其中，凝聚的双电层（EDL）和紧密吸附在锌电极表面的锌离子形成了致密且耐腐蚀的锌沉积物。
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