Recent advances in developing organic electrode materials for multivalent rechargeable batteries,Energy & Environmental Science

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Recent advances in developing organic electrode materials for multivalent rechargeable batteries
Energy & Environmental Science ( IF 32.4 ) Pub Date : 2020-09-28 , DOI: 10.1039/d0ee02111c
Kaiqiang Qin _{1,

2,

3,

4} , Jinghao Huang _{1,

2,

3,

4} , Kathryn Holguin _{1,

2,

3,

4} , Chao Luo _{1,

2,

3,

4,

5}

Affiliation

Due to the low cost and abundance of multivalent metallic resources (Mg/Al/Zn/Ca), multivalent rechargeable batteries (MRBs) are promising alternatives to Li-ion and Pb-acid batteries for grid-scale stationary energy storage applications. However, the high performance of inorganic electrode materials in Li-ion batteries does not extend to MRBs, because the high charge density of multivalent cations dramatically reduces their diffusivity in the crystal lattice of inorganic materials. To achieve high-performance MRBs, organic electrode materials (OEMs) with abundant structural diversity and high structural tunability offer opportunities. This review presents an overview of the state-of-the-art OEMs in MRBs, including non-aqueous rechargeable Mg/Al/Zn and aqueous rechargeable Mg/Al/Zn/Ca batteries. The advantages, challenges, development, mechanism, structure, and performance of OEMs in MRBs are discussed in detail. To provide a comprehensive and thorough understanding of OEMs in MRBs, the correlation between molecular structure and electrochemical behavior is also summarized and discussed. This review offers insights for the rational structure design and performance optimization of advanced OEMs in MRBs.

中文翻译：

开发用于多价充电电池的有机电极材料的最新进展

由于低成本和多价金属资源（Mg / Al / Zn / Ca）丰富，多价可充电电池（MRB）有望成为网格规模固定式储能应用中锂离子和铅酸电池的替代品。然而，由于多价阳离子的高电荷密度显着降低了它们在无机材料晶格中的扩散性，因此锂离子电池中无机电极材料的高性能并没有扩展到MRB。为了获得高性能的MRB，具有丰富的结构多样性和高结构可调性的有机电极材料（OEM）提供了机会。这篇评论介绍了MRB中最先进的OEM，包括非水可充电Mg / Al / Zn和水可充电Mg / Al / Zn / Ca电池。优势，挑战，发展，机制，详细讨论了MRB中OEM的结构和性能。为了提供对MRB中OEM的全面而透彻的理解，还总结并讨论了分子结构与电化学行为之间的相关性。这篇评论为MRB中高级OEM的合理结构设计和性能优化提供了见解。

更新日期：2020-11-03

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