Aqueous Mg-ion battery based on polyimide anode and prussian blue cathode

L. Chen; J. L. Bao; X. Dong; D. G. Truhlar; Y. Wang; C. Wang; Y. Xia

doi:10.1021/acsenergylett.7b00040

Aqueous Mg-ion battery based on polyimide anode and prussian blue cathode

L. Chen
, J. L. Bao
, X. Dong
, D. G. Truhlar
, Y. Wang
, C. Wang
, Y. Xia

Chemistry (Twin Cities)

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

344 Scopus citations

Abstract

The magnesium-metal battery, which consists of a cathode, a Mg-metal anode, and a nonaqueous electrolyte, is a safer and less expensive alternative to the popular Li-ion battery. However, the performance of Mg batteries is greatly limited by the low electrochemical oxidative stability of nonaqueous electrolytes, the slow Mg2+ diffusion into the cathode, and the irreversibility of Mg striping and plating on the Mg metal anode. Here, we report the first Mg-ion battery using a Mg2+ aqueous electrolyte, nickel hexacyanoferrate cathode, and polyimide anode. The operation depends on Mg2+ intercalation?deintercalation at the cathode and reversible enolization at the anode, accompanied by Mg2+ transport between cathode and anode. The cell exhibits a maximum cell voltage of 1.5 V and a supercapacitor-like high power, and it can be cycled 5000 times. This system points the way to improved Mg-based rechargeable batteries.

Original language	English (US)
Pages (from-to)	1115-1121
Number of pages	7
Journal	ACS Energy Letters
Volume	2
Issue number	5
DOIs	https://doi.org/10.1021/acsenergylett.7b00040
State	Published - May 12 2017

Bibliographical note

Funding Information:
ACKNOWLEDGMENTS This work was partially supported by the National Natural Science Foundation of China (21333002, 21622303), the National Key Research and Development Plan (2016-YFB0901503). The work done by J.L.B and D.G.T. was supported in part by the U.S. Department of Energy, Office of Basic Energy Sciences, under Grant DE-SC0008662.

Publisher Copyright:
© 2017 American Chemical Society.

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SDG 7 Affordable and Clean Energy

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abstract = "The magnesium-metal battery, which consists of a cathode, a Mg-metal anode, and a nonaqueous electrolyte, is a safer and less expensive alternative to the popular Li-ion battery. However, the performance of Mg batteries is greatly limited by the low electrochemical oxidative stability of nonaqueous electrolytes, the slow Mg2+ diffusion into the cathode, and the irreversibility of Mg striping and plating on the Mg metal anode. Here, we report the first Mg-ion battery using a Mg2+ aqueous electrolyte, nickel hexacyanoferrate cathode, and polyimide anode. The operation depends on Mg2+ intercalation?deintercalation at the cathode and reversible enolization at the anode, accompanied by Mg2+ transport between cathode and anode. The cell exhibits a maximum cell voltage of 1.5 V and a supercapacitor-like high power, and it can be cycled 5000 times. This system points the way to improved Mg-based rechargeable batteries.",

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AU - Chen, L.

AU - Bao, J. L.

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AU - Truhlar, D. G.

AU - Wang, Y.

AU - Wang, C.

AU - Xia, Y.

N1 - Funding Information: ACKNOWLEDGMENTS This work was partially supported by the National Natural Science Foundation of China (21333002, 21622303), the National Key Research and Development Plan (2016-YFB0901503). The work done by J.L.B and D.G.T. was supported in part by the U.S. Department of Energy, Office of Basic Energy Sciences, under Grant DE-SC0008662. Publisher Copyright: © 2017 American Chemical Society.

PY - 2017/5/12

Y1 - 2017/5/12

N2 - The magnesium-metal battery, which consists of a cathode, a Mg-metal anode, and a nonaqueous electrolyte, is a safer and less expensive alternative to the popular Li-ion battery. However, the performance of Mg batteries is greatly limited by the low electrochemical oxidative stability of nonaqueous electrolytes, the slow Mg2+ diffusion into the cathode, and the irreversibility of Mg striping and plating on the Mg metal anode. Here, we report the first Mg-ion battery using a Mg2+ aqueous electrolyte, nickel hexacyanoferrate cathode, and polyimide anode. The operation depends on Mg2+ intercalation?deintercalation at the cathode and reversible enolization at the anode, accompanied by Mg2+ transport between cathode and anode. The cell exhibits a maximum cell voltage of 1.5 V and a supercapacitor-like high power, and it can be cycled 5000 times. This system points the way to improved Mg-based rechargeable batteries.

AB - The magnesium-metal battery, which consists of a cathode, a Mg-metal anode, and a nonaqueous electrolyte, is a safer and less expensive alternative to the popular Li-ion battery. However, the performance of Mg batteries is greatly limited by the low electrochemical oxidative stability of nonaqueous electrolytes, the slow Mg2+ diffusion into the cathode, and the irreversibility of Mg striping and plating on the Mg metal anode. Here, we report the first Mg-ion battery using a Mg2+ aqueous electrolyte, nickel hexacyanoferrate cathode, and polyimide anode. The operation depends on Mg2+ intercalation?deintercalation at the cathode and reversible enolization at the anode, accompanied by Mg2+ transport between cathode and anode. The cell exhibits a maximum cell voltage of 1.5 V and a supercapacitor-like high power, and it can be cycled 5000 times. This system points the way to improved Mg-based rechargeable batteries.

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Aqueous Mg-ion battery based on polyimide anode and prussian blue cathode

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