Intercalation of Zinc Monochloride Cations by Deep Eutectic Solvents for High-Performance Rechargeable Non-aqueous Zinc Ion Batteries

Bing Joe Hwang, Yu Lun Chueh, Shu Chi Wu, Meng Che Tsa, Hsiang Ju Liao, Teng Yu Su, Shin Yi Tang, Chia Wei Chen, Heng An Lo, Tzu Yi Yang, Kuangye Wang, Yuanfei Ai, Yu Ze Chen, Ling Lee, Jyh Fu Lee, Chun Jung Lin

研究成果: Article同行評審

22 引文 斯高帕斯(Scopus)

摘要

Zinc ion batteries have been extensively studied with an aqueous electrolyte system. However, the batteries suffer from a limited potential window, gas evolution, cathode dissolution, and dendrite formation on the anode. Considering these limitations, we developed an alternative electrolyte system based on deep eutectic solvents (DESs) because of their low cost, high stability, biodegradability, and non-flammability, making them optimal candidates for sustainable batteries. The DES electrolyte enables reversible Zn plating/stripping and effectively suppresses zinc dendrite formation. Furthermore, in-depth characterizations reveal that the energy storage mechanism can be attributed to [ZnCl]+ ion intercalation and the intermediate complex ion plays a pivotal role in electrochemical reactions, which deliver a high reversible capacity of 310 mAh g−1 at 0.1 A g−1and long-term stability (167 mAh g−1 at a current density of 0.3 A g−1 after 300 cycles, Coulombic efficiency: ∼98%). Overall, this work represents our new finding in rechargeable batteries with the DES electrolyte.

原文English
頁(從 - 到)7814-7825
頁數12
期刊ACS Applied Materials and Interfaces
14
發行號6
DOIs
出版狀態Published - 2022 2月 16

All Science Journal Classification (ASJC) codes

  • 一般材料科學

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