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Regulation methods for the Zn/electrolyte interphase and the effectiveness evaluation in aqueous Zn-ion batteries
Energy & Environmental Science ( IF 32.5 ) Pub Date : 2021-09-02 , DOI: 10.1039/d1ee02021h
Libei Yuan 1, 2 , Junnan Hao 1 , Chun-Chuan Kao 1 , Chao Wu 2 , Hua-Kun Liu 2 , Shi-Xue Dou 2 , Shi-Zhang Qiao 1
Affiliation  

Aqueous Zn-ion batteries (ZIBs) have inspired an overwhelming number of literature studies due to their safety, cost effectiveness, and environmental benignity. Directly employing metallic Zn foil as an anode significantly simplifies battery manufacturing and simultaneously broadens the operating voltage window of aqueous batteries, benefiting from its high overpotential against electrolyte decomposition. Nevertheless, serious issues, such as dendrite growth and side reactions, occurring at the Zn/electrolyte interphase, make the Coulombic efficiency and lifespan of Zn metal electrodes far from satisfactory, which has also been motivating new research interest in interfacial engineering to solve these problems. Owing to the rapid evolution of this new area, it is highly desirable to provide current and timely updates of interfacial strategies and their effectiveness evaluation. From the two sides – the electrode and the electrolyte at the interphase – this review thoroughly summarizes our fundamental understanding of interfacial strategies, including designing mechanisms, creating new methods, and technical challenges. Importantly, this review also analyses the effectiveness evaluation techniques for interfacial strategies, including electrochemical methods, characterization measurements, and computational simulations, providing guidelines for the accurate evaluation and analysis of ZIBs in the future.

中文翻译:

水系锌离子电池中锌/电解质界面的调控方法及有效性评价

水系锌离子电池 (ZIB) 因其安全性、成本效益和环境友好性而激发了大量文献研究。直接使用金属锌箔作为阳极可显着简化电池制造,同时拓宽水性电池的工作电压窗口,这得益于其对电解质分解的高过电位。然而,锌/电解质界面处发生的枝晶生长和副反应等严重问题使得锌金属电极的库仑效率和寿命远不能令人满意,这也激发了界面工程解决这些问题的新研究兴趣。 . 由于这个新领域的快速发展,非常需要提供界面策略及其有效性评估的当前和及时更新。从两个方面——电极和相间的电解质——这篇综述彻底总结了我们对界面策略的基本理解,包括设计机制、创造新方法和技术挑战。重要的是,本综述还分析了界面策略的有效性评估技术,包括电化学方法、表征测量和计算模拟,为未来 ZIB 的准确评估和分析提供指导。包括设计机制、创造新方法和技术挑战。重要的是,本综述还分析了界面策略的有效性评估技术,包括电化学方法、表征测量和计算模拟,为未来 ZIBs 的准确评估和分析提供指导。包括设计机制、创造新方法和技术挑战。重要的是,本综述还分析了界面策略的有效性评估技术,包括电化学方法、表征测量和计算模拟,为未来 ZIB 的准确评估和分析提供指导。
更新日期:2021-09-24
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