Improving a Mg/S Battery with YCl3 Additive and Magnesium Polysulfide

Yan Xu; Guangmin Zhou; Shuyang Zhao; Wanfei Li; Feifei Shi; Jia Li; Jun Feng; Yuxing Zhao; Yang Wu; Jinghua Guo; Yi Cui; Yuegang Zhang

doi:10.1002/advs.201800981

Improving a Mg/S Battery with YCl₃ Additive and Magnesium Polysulfide

Yan Xu, Guangmin Zhou, Shuyang Zhao, Wanfei Li, Feifei Shi, Jia Li, Jun Feng, Yuxing Zhao, Yang Wu, Jinghua Guo, Yi Cui, Yuegang Zhang

Research output: Contribution to journal › Article › peer-review

48 Scopus citations

Abstract

Rechargeable magnesium/sulfur (Mg/S) batteries are widely regarded as one of the alternatives to lithium-ion batteries. However, a key factor restricting their application is the lack of suitable electrolyte. Herein, an electrolyte additive that can reduce the polarization voltage is developed and 98.7% coulombic efficiency is realized. The as-prepared Mg-ion electrolyte exhibits excellent Mg plating/stripping performance with a low overpotential of 0.11 V for plating process, and high anodic stability up to 3.0 V (vs Mg/Mg²⁺). When it is coupled with magnesium polysulfide, which has high reactivity and is homogeneously distributed on carbon matrix, the Mg/S cells deliver a good cycling stability with a high discharge capacity over 1000 mAh g⁻¹ for more than 50 cycles.

Original language	English (US)
Article number	1800981
Journal	Advanced Science
Volume	6
Issue number	4
DOIs	https://doi.org/10.1002/advs.201800981
State	Published - Feb 20 2019

All Science Journal Classification (ASJC) codes

Medicine (miscellaneous)
Chemical Engineering(all)
Materials Science(all)
Biochemistry, Genetics and Molecular Biology (miscellaneous)
Engineering(all)
Physics and Astronomy(all)

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10.1002/advs.201800981

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title = "Improving a Mg/S Battery with YCl3 Additive and Magnesium Polysulfide",

abstract = "Rechargeable magnesium/sulfur (Mg/S) batteries are widely regarded as one of the alternatives to lithium-ion batteries. However, a key factor restricting their application is the lack of suitable electrolyte. Herein, an electrolyte additive that can reduce the polarization voltage is developed and 98.7% coulombic efficiency is realized. The as-prepared Mg-ion electrolyte exhibits excellent Mg plating/stripping performance with a low overpotential of 0.11 V for plating process, and high anodic stability up to 3.0 V (vs Mg/Mg2+). When it is coupled with magnesium polysulfide, which has high reactivity and is homogeneously distributed on carbon matrix, the Mg/S cells deliver a good cycling stability with a high discharge capacity over 1000 mAh g−1 for more than 50 cycles.",

author = "Yan Xu and Guangmin Zhou and Shuyang Zhao and Wanfei Li and Feifei Shi and Jia Li and Jun Feng and Yuxing Zhao and Yang Wu and Jinghua Guo and Yi Cui and Yuegang Zhang",

note = "Funding Information: Y.X. and G.Z. contributed equally to this work. The authors thank C. Zhang and Prof. Y. M. Yao for providing the YCl3 raw material and offering helpful discussions. S K-edge XAS experiment was performed on BL 5.3.1 at Advanced Light Source and BL 4-3 at Stanford Linear Accelerator Center. This research used resources of the Advanced Light Source, which is a DOE Office of Science User Facility under Contract No. DE-AC02-05CH11231. This work was supported by the National Natural Science Foundation of China (No. 21433013), the National Key Research and Development Program of China (2016YFB0100100), the CAS-DOE Joint Research Program (121E32KYSB20150004), and the CAS-Queensland Collaborative Science Fund (121E32KYSB20160032). Publisher Copyright: {\textcopyright} 2018 The Authors. Published by WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim",

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AU - Xu, Yan

AU - Zhou, Guangmin

AU - Zhao, Shuyang

AU - Li, Wanfei

AU - Shi, Feifei

AU - Li, Jia

AU - Feng, Jun

AU - Zhao, Yuxing

AU - Wu, Yang

AU - Guo, Jinghua

AU - Cui, Yi

AU - Zhang, Yuegang

N1 - Funding Information: Y.X. and G.Z. contributed equally to this work. The authors thank C. Zhang and Prof. Y. M. Yao for providing the YCl3 raw material and offering helpful discussions. S K-edge XAS experiment was performed on BL 5.3.1 at Advanced Light Source and BL 4-3 at Stanford Linear Accelerator Center. This research used resources of the Advanced Light Source, which is a DOE Office of Science User Facility under Contract No. DE-AC02-05CH11231. This work was supported by the National Natural Science Foundation of China (No. 21433013), the National Key Research and Development Program of China (2016YFB0100100), the CAS-DOE Joint Research Program (121E32KYSB20150004), and the CAS-Queensland Collaborative Science Fund (121E32KYSB20160032). Publisher Copyright: © 2018 The Authors. Published by WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

PY - 2019/2/20

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N2 - Rechargeable magnesium/sulfur (Mg/S) batteries are widely regarded as one of the alternatives to lithium-ion batteries. However, a key factor restricting their application is the lack of suitable electrolyte. Herein, an electrolyte additive that can reduce the polarization voltage is developed and 98.7% coulombic efficiency is realized. The as-prepared Mg-ion electrolyte exhibits excellent Mg plating/stripping performance with a low overpotential of 0.11 V for plating process, and high anodic stability up to 3.0 V (vs Mg/Mg2+). When it is coupled with magnesium polysulfide, which has high reactivity and is homogeneously distributed on carbon matrix, the Mg/S cells deliver a good cycling stability with a high discharge capacity over 1000 mAh g−1 for more than 50 cycles.

AB - Rechargeable magnesium/sulfur (Mg/S) batteries are widely regarded as one of the alternatives to lithium-ion batteries. However, a key factor restricting their application is the lack of suitable electrolyte. Herein, an electrolyte additive that can reduce the polarization voltage is developed and 98.7% coulombic efficiency is realized. The as-prepared Mg-ion electrolyte exhibits excellent Mg plating/stripping performance with a low overpotential of 0.11 V for plating process, and high anodic stability up to 3.0 V (vs Mg/Mg2+). When it is coupled with magnesium polysulfide, which has high reactivity and is homogeneously distributed on carbon matrix, the Mg/S cells deliver a good cycling stability with a high discharge capacity over 1000 mAh g−1 for more than 50 cycles.

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Improving a Mg/S Battery with YCl₃ Additive and Magnesium Polysulfide

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