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Regulation methods for the Zn/electrolyte interphase and the effectiveness evaluation in aqueous Zn-ion batteries

机译:Zn /电解质间的调节方法及Zn离子电池水溶液中的有效性评价

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摘要

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.
机译:Zn离子电池(ZIB)由于其安全性,成本效益和环境良性,激发了一种强大的文学研究数量。直接采用金属锌箔作为阳极明显简化了电池制造,并同时拓宽了含水电池的工作电压窗口,受益于电解质分解的高流量。然而,在Zn /电解质相互作用发生的严重问题,例如树突生长和副反应,使得Zn金属电极的库仑效率和寿命远离令人满意,这也是激励界面工程的新研究兴趣来解决这些问题。由于这一新区域的快速发展,非常希望提供界面策略及其有效性评估的最新及时的更新。从两侧 - 电极和电解质处于差异 - 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,提供了未来准确评估和分析ZIB的指导。

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  • 来源
    《Energy & environmental science》 |2021年第11期|5669-5689|共21页
  • 作者单位

    Univ Adelaide Sch Chem Engn & Adv Mat Adelaide SA 5005 Australia|Univ Wollongong Inst Superconducting & Elect Mat Australian Inst Innovat Mat Wollongong NSW 2522 Australia;

    Univ Adelaide Sch Chem Engn & Adv Mat Adelaide SA 5005 Australia;

    Univ Adelaide Sch Chem Engn & Adv Mat Adelaide SA 5005 Australia;

    Univ Wollongong Inst Superconducting & Elect Mat Australian Inst Innovat Mat Wollongong NSW 2522 Australia;

    Univ Wollongong Inst Superconducting & Elect Mat Australian Inst Innovat Mat Wollongong NSW 2522 Australia;

    Univ Wollongong Inst Superconducting & Elect Mat Australian Inst Innovat Mat Wollongong NSW 2522 Australia;

    Univ Adelaide Sch Chem Engn & Adv Mat Adelaide SA 5005 Australia;

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