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Strategies toward High-Loading Lithium–Sulfur Battery

机译：高负荷锂硫电池的策略

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摘要

Lithium-sulfur (Li-S) batteries, due to the high theoretical energy density, are regarded as one of the most promising candidates for breaking the limitations of energy-storage system based on Li-ion batteries. Tremendous efforts have been made to meet the challenge of high-performance Li-S batteries, in which a sulfur loading of above 5 mg cm(-2) delivers an areal capacity higher than 5 mAh cm(-2) without compromising specific capacity and cycling stability for practical applications. However, serious problems have been exposed during the scaling up of the sulfur loading. In this review, based on mechanistic insights into structural configuration, catalytic conversion, and interfacial engineering, the problems and corresponding strategies in the development of high-loading Li-S batteries are highlighted and discussed, aiming at bridging the gap between fundamental research and practical cell-level designs. Stemming from the current achievements, future directions targeting the high-energy-density Li-S batteries for commercialization are proposed.
机译：锂硫（Li-S）电池由于具有较高的理论能量密度，被认为是打破基于锂离子电池的储能系统局限性的最有希望的候选人之一。为了应对高性能Li-S电池的挑战，已经做出了巨大的努力，其中硫负载量超过5 mg cm（-2）时提供的面积容量高于5 mAh cm（-2），而不会损害比容量和实际应用中的循环稳定性。然而，在按比例增加硫负荷期间已经暴露出严重的问题。在这篇综述中，基于对结构构造，催化转化和界面工程的机械洞察力，着重讨论了高负载锂硫电池开发中的问题和相应的策略，旨在弥合基础研究与实用之间的差距。单元级设计。从目前的成就出发，提出了针对高能量密度Li-S电池商业化的未来方向。

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