High-Voltage Aqueous Magnesium Ion Batteries

ACS Central Science
Fei WangChunsheng Wang

Abstract

Nonaqueous rechargeable magnesium (Mg) batteries suffer from the complicated and moisture-sensitive electrolyte chemistry. Besides electrolytes, the practicality of a Mg battery is also confined by the absence of high-performance electrode materials due to the intrinsically slow Mg(2+) diffusion in the solids. In this work, we demonstrated a rechargeable aqueous magnesium ion battery (AMIB) concept of high energy density, fast kinetics, and reversibility. Using a superconcentration approach we expanded the electrochemical stability window of the aqueous electrolyte to 2.0 V. More importantly, two new Mg ion host materials, Li superconcentration approach we expanded the electrochemical stability window of the aqueous electrolyte to 2.0 V. More importantly, two new Mg ion host materials, Li3V2(PO4)3 and poly pyromellitic dianhydride, were developed and employed as cathode and anode electrodes, respectively. Based on comparisons of the aqueous and nonaqueous systems, the role of water is identified to be critical in the Mg ion mobility in the intercalation host but remaining little detrimental to its non-diffusion controlled process. Compared with the previously reported Mg ion cell delivers an unprecedented high power density of ...Continue Reading

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Citations

Apr 29, 2018·Angewandte Chemie·Chunsheng WangLuning Wang
Jul 10, 2018·Advanced Materials·Rosalind J GummowYinghe He
Nov 28, 2018·ChemSusChem·William ManalastasMadhavi Srinivasan
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Apr 28, 2020·Angewandte Chemie·Huang ZhangStefano Passerini
Apr 25, 2020·Angewandte Chemie·Jianhang HuangYonggang Wang
Aug 18, 2020·Advanced Materials·Meng YangXiaodong Shen
Mar 5, 2019·Advanced Science·Yan XuYuegang Zhang
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Sep 17, 2020·Science Advances·Dongliang ChaoShi-Zhang Qiao
May 6, 2021·The Journal of Physical Chemistry Letters·Xining ZangRuopeng Zhang
May 6, 2021·Materials·Emmanuel Karapidakis, Dimitra Vernardou
May 19, 2021·Nature Communications·Xiao TangGuoxiu Wang
Aug 4, 2021·Chemical Society Reviews·Xiulin Fan, Chunsheng Wang
Feb 20, 2020·ACS Applied Materials & Interfaces·Md AdilSagar Mitra
May 16, 2019·ACS Applied Materials & Interfaces·Duan BinYongyao Xia
Aug 22, 2021·ACS Applied Materials & Interfaces·Zishuai ZhangMiao Yu
Feb 6, 2020·Chemical Reviews·Matthew LiJun Lu
Nov 26, 2019·ACS Nano·Kaiyue ZhuKevin Huang
Aug 1, 2021·Chemistry : a European Journal·Shelton Farai Kuchena, Ying Wang

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Methods Mentioned

BETA
X-ray
transmission electron microscopy
infrared spectroscopy

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