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题名: An Aluminum-Sulfur Battery with a Fast Kinetic Response
作者: Yang, HC;  Yin, LC;  Liang, J;  Sun, ZH;  Wang, YZ;  Li, HC;  He, K;  Ma, LP;  Peng, ZQ;  Qiu, SY;  Sun, CH;  Cheng, HM;  Li, F
发表日期: 2018-2-12
摘要: The electrochemical performance of the aluminum-sulfur (Al-S) battery has very poor reversibility and a low charge/discharge current density owing to slow kinetic processes determined by an inevitable dissociation reaction from Al2Cl7- to free Al3+center dot Al2Cl6Br- was used instead of Al2Cl7- as the dissociation reaction reagent. A 15-fold faster reaction rate of Al2Cl6Br- dissociation than that of Al2Cl7- was confirmed by density function theory calculations and the Arrhenius equation. This accelerated dissociation reaction was experimentally verified by the increase of exchange current density during Al electro-deposition. Using Al2Cl6Br- instead of Al2Cl7- , a kinetically accelerated Al-S battery has a sulfur utilization of more than 80%, with at least four times the sulfur content and five times the current density than that of previous work.
Appears in Collections:中国科学院金属研究所_期刊论文

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Recommended Citation:
Yang, HC,Yin, LC,Liang, J,et al. An Aluminum-sulfur Battery With A Fast Kinetic Response[J]. Angewandte Chemie-international Edition,2018,57(7):1898-1902.

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