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Advances in preparation methods and mechanism analysis of layered double hydroxide for lithium-ion batteries and lithium-sulfur batteries
Journal of Energy Chemistry ( IF 13.1 ) Pub Date : 2020-11-01 , DOI: 10.1016/j.jechem.2020.10.031
Wen Yu , Nanping Deng , Kewei Cheng , Jing Yan , Bowen Cheng , Weimin Kang

Lithium-ion (Li-ion) battery and lithium-sulfur (Li-S) battery have attracted significant attention as promising components for large-scale energy storage because of high theoretical capacity of Li, excellent energy density or environmental friendness for two kinds of batteries. However, there still exist some respective obstacles for commercial applications, such as limited theoretical capacity, high cost and low conductivity of Li-ion cells or shuttle effect of lithium polysulfides of Li-S cells. As typical two-dimensional materials, layered double hydroxides (LDHs) exhibit excellent potential in the field of energy storage due to facile tunability of composition, structure and morphology as well as convenient composite and strong catalytic properties. Consequently, various LDHs toward novel separators or interlayers, cathodes, anodes, and interesting catalytic templates are researched to resolve these challenges. In this review, the recent progress for LDHs applied in Li-ion batteries and Li-S batteries including the synthesis methods, designs and applications is presented and reviewed. Meanwhile, the existing challenges and future perspectives associated with material designs and practical applications of LDHs for these two classes of cells are discussed. It is hoped that the review can attract more attention and inspire more profound researches toward the LDH-based electrochemical materials for energy storage.



中文翻译:

锂离子电池和锂硫电池层状双氢氧化物的制备方法和机理分析进展

锂离子(Li-ion)电池和锂硫(Li-S)电池由于其高的理论容量,出色的能量密度或对两种电池的环境友好性,已成为大规模储能的有希望的组件而备受关注。电池。然而,对于商业应用仍然存在一些障碍,例如锂离子电池的理论容量有限,成本高和导电率低或锂硫电池的多硫化锂锂的穿梭效应。作为典型的二维材料,层状双氢氧化物(LDH)由于其组成,结构和形态的易调谐性以及便利的复合和强大的催化性能,在储能领域显示出极好的潜力。因此,各种LDH朝向新型的隔板或中间层,阴极,阳极,研究了有趣的催化模板以解决这些挑战。在这篇综述中,介绍并回顾了应用于锂离子电池和锂硫电池的LDHs的最新进展,包括合成方法,设计和应用。同时,讨论了与这两类电池的LDH的材料设计和实际应用相关的现有挑战和未来前景。希望该综述能够引起更多关注,并激发对基于LDH的储能电化学材料的更深入的研究。讨论了与这两类电池的LDH的材料设计和实际应用相关的现有挑战和未来前景。希望该综述能够引起更多的关注,并激发对基于LDH的储能电化学材料的更深入的研究。讨论了与这两类电池的LDH的材料设计和实际应用相关的现有挑战和未来前景。希望该综述能够引起更多的关注,并激发对基于LDH的储能电化学材料的更深入的研究。

更新日期:2020-11-02
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