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Room‐Temperature Sodium‐Sulfur Batteries: A Comprehensive Review on Research Progress and Cell Chemistry
Advanced Energy Materials ( IF 24.4 ) Pub Date : 2017-06-09 , DOI: 10.1002/aenm.201602829
Yun-Xiao Wang 1 , Binwei Zhang 1 , Weihong Lai 1 , Yanfei Xu 1 , Shu-Lei Chou 1 , Hua-Kun Liu 1 , Shi-Xue Dou 1
Advanced Energy Materials ( IF 24.4 ) Pub Date : 2017-06-09 , DOI: 10.1002/aenm.201602829
Yun-Xiao Wang 1 , Binwei Zhang 1 , Weihong Lai 1 , Yanfei Xu 1 , Shu-Lei Chou 1 , Hua-Kun Liu 1 , Shi-Xue Dou 1
Affiliation
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Room temperature sodium‐sulfur (RT‐Na/S) batteries have recently regained a great deal of attention due to their high theoretical energy density and low cost, which make them promising candidates for application in large‐scale energy storage, especially in stationary energy storage, such as with electrical grids. Research on this system is currently in its infancy, and it is encountering severe challenges in terms of low electroactivity, limited cycle life, and serious self‐charging. Moreover, the reaction mechanism of S with Na ions varies with the electrolyte that is applied, and is very complicated and hard to detect due to the multi‐step reactions and the formation of various polysulfides. Therefore, understanding the chemistry and optimizing the nanostructure of electrodes for RT‐Na/S batteries are critical for their advancement and practical application in the future. In the present review, the electrochemical reactions between Na and S are reviewed, as well as recent progress on the crucial cathode materials. Furthermore, attention also is paid to electrolytes, separators, and cell configuration. Additionally, current challenges and future perspectives for the RT‐Na/S batteries are discussed, and potential research directions toward improving RT‐Na/S cells are proposed at the end.
中文翻译：
室温钠硫电池：研究进展和细胞化学综述
室温钠硫（RT-Na / S）电池由于其理论能量密度高和成本低而最近备受关注，这使其成为在大型能量存储（尤其是固定能量）中应用的有希望的候选者储存，例如使用电网。目前对该系统的研究还处于起步阶段，它在低电活性，有限的循环寿命和严重的自充电方面面临着严峻的挑战。此外，S与Na离子的反应机理随所用电解质的不同而变化，并且由于多步反应和各种多硫化物的形成而非常复杂且难以检测。所以，了解RT-Na / S电池的化学性质和优化电极的纳米结构对于它们的进步和未来的实际应用至关重要。在本综述中，对Na和S之间的电化学反应以及关键阴极材料的最新进展进行了综述。此外，还应注意电解质，隔板和电池的构造。此外，还讨论了RT-Na / S电池的当前挑战和未来前景，并在最后提出了改进RT-Na / S电池的潜在研究方向。
更新日期：2017-06-09
中文翻译：
室温钠硫电池：研究进展和细胞化学综述
室温钠硫（RT-Na / S）电池由于其理论能量密度高和成本低而最近备受关注，这使其成为在大型能量存储（尤其是固定能量）中应用的有希望的候选者储存，例如使用电网。目前对该系统的研究还处于起步阶段，它在低电活性，有限的循环寿命和严重的自充电方面面临着严峻的挑战。此外，S与Na离子的反应机理随所用电解质的不同而变化，并且由于多步反应和各种多硫化物的形成而非常复杂且难以检测。所以，了解RT-Na / S电池的化学性质和优化电极的纳米结构对于它们的进步和未来的实际应用至关重要。在本综述中，对Na和S之间的电化学反应以及关键阴极材料的最新进展进行了综述。此外，还应注意电解质，隔板和电池的构造。此外，还讨论了RT-Na / S电池的当前挑战和未来前景，并在最后提出了改进RT-Na / S电池的潜在研究方向。
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