CuS microspheres as high-performance anode material for Na-ion batteries
CuS microspheres as high-performance anode material for Na-ion batteries
In this work, CuS microspheres are synthesized by a facile microwave synthesis without any template or additive. As-prepared CuS microspheres display steady reversibility by adopting triethylene glycol dimethyl ether (TEGDME) as the electrolyte solvent and adjusting cut-off voltage to 0.6 − 3.0 V. The discharge capacity stands at 162 mAh g−1after 200 cycles with the capacity retention of 95.8%. Electrochemical kinetics of CuS electrodes is investigated by electrochemical impedance spectroscopy (EIS), cyclic voltammetry (CV) and galvanostatic intermittent titration technique (GITT) tests. Beyond that, electrochemical reactions of CuS electrodes are explored using ex-situ X-ray diffraction (XRD). As far as we know, it is not only the best performance of CuS electrodes in Na-ion batteries (NIBs) but also the first time that the kinetics and reaction mechanism of CuS in NIBs are investigated.
Copper sulfide, Electrochemical kinetics, Microwave synthesis, Na-ion batteries, Reaction mechanism
851-859
Li, He
1d46f87c-8509-43b9-9ee5-eb1065c4de0f
Wang, Yunhui
b996c61d-a63c-4da2-b1bd-39fac531bb0a
Jiang, Jiali
42b3e6ca-096f-42f7-8b90-d165420076a5
Zhang, Yiyong
7415da5e-795e-4f95-b621-5c80660aac6b
Peng, Yueying
e41317da-f79f-4869-82ce-7c08f2a51368
Zhao, Jinbao
40b1eebf-6f3e-4767-a559-39ab8aca25c0
1 September 2017
Li, He
1d46f87c-8509-43b9-9ee5-eb1065c4de0f
Wang, Yunhui
b996c61d-a63c-4da2-b1bd-39fac531bb0a
Jiang, Jiali
42b3e6ca-096f-42f7-8b90-d165420076a5
Zhang, Yiyong
7415da5e-795e-4f95-b621-5c80660aac6b
Peng, Yueying
e41317da-f79f-4869-82ce-7c08f2a51368
Zhao, Jinbao
40b1eebf-6f3e-4767-a559-39ab8aca25c0
Li, He, Wang, Yunhui, Jiang, Jiali, Zhang, Yiyong, Peng, Yueying and Zhao, Jinbao
(2017)
CuS microspheres as high-performance anode material for Na-ion batteries.
Electrochimica Acta, 247, .
(doi:10.1016/j.electacta.2017.07.018).
Abstract
In this work, CuS microspheres are synthesized by a facile microwave synthesis without any template or additive. As-prepared CuS microspheres display steady reversibility by adopting triethylene glycol dimethyl ether (TEGDME) as the electrolyte solvent and adjusting cut-off voltage to 0.6 − 3.0 V. The discharge capacity stands at 162 mAh g−1after 200 cycles with the capacity retention of 95.8%. Electrochemical kinetics of CuS electrodes is investigated by electrochemical impedance spectroscopy (EIS), cyclic voltammetry (CV) and galvanostatic intermittent titration technique (GITT) tests. Beyond that, electrochemical reactions of CuS electrodes are explored using ex-situ X-ray diffraction (XRD). As far as we know, it is not only the best performance of CuS electrodes in Na-ion batteries (NIBs) but also the first time that the kinetics and reaction mechanism of CuS in NIBs are investigated.
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More information
Accepted/In Press date: 4 July 2017
e-pub ahead of print date: 8 July 2017
Published date: 1 September 2017
Keywords:
Copper sulfide, Electrochemical kinetics, Microwave synthesis, Na-ion batteries, Reaction mechanism
Identifiers
Local EPrints ID: 424327
URI: http://eprints.soton.ac.uk/id/eprint/424327
ISSN: 0013-4686
PURE UUID: 88a9c863-f933-4be8-a569-1f9aad150a55
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Date deposited: 05 Oct 2018 11:36
Last modified: 15 Mar 2024 21:32
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Contributors
Author:
He Li
Author:
Yunhui Wang
Author:
Jiali Jiang
Author:
Yiyong Zhang
Author:
Yueying Peng
Author:
Jinbao Zhao
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