Oxidant-assisted direct-sulfidization of nickel foam toward a self-supported hierarchical Ni3S2@Ni electrode for asymmetric all-solid-state supercapacitors

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成果类型：

期刊论文

作者：

Shen, Miao;Liu, Jinlong;Liu, Tiancheng;Yang, Chunming*;He, Yaxin;...

通讯作者：

Yang, Chunming;Qian, Dong

作者机构：

[Shen, Miao; Liu, Tiancheng; He, Yaxin; Yang, Chunming; Li, Zhouli] Hunan Normal Univ, Coll Chem & Chem Engn, Natl & Local Joint Engn Lab New Petrochem Mat & F, Changsha 410081, Peoples R China.

[Shen, Miao; Liu, Tiancheng; He, Yaxin; Yang, Chunming; Li, Zhouli] Hunan Normal Univ, Coll Chem & Chem Engn, Minist Educ China, Key Lab Chem Biol & Tradit Chinese Med Res, Changsha 410081, Peoples R China.

[Liu, Jinlong; Qian, Dong] Cent S Univ, Coll Chem & Chem Engn, Hunan Prov Key Lab Chem Power Resources, Changsha 410083, Peoples R China.

[Liu, Jinlong] Univ Cambridge, Dept Engn, Cambridge CB3 0FA, England.

[Li, Junhua] Hengyang Normal Univ, Coll Chem & Mat Sci, Key Lab Funct Met Organ Cpds Hunan Prov, Hengyang 421008, Peoples R China.

通讯机构：

[Yang, Chunming] H

[Qian, Dong] C

Hunan Normal Univ, Coll Chem & Chem Engn, Natl & Local Joint Engn Lab New Petrochem Mat & F, Changsha 410081, Peoples R China.

Hunan Normal Univ, Coll Chem & Chem Engn, Minist Educ China, Key Lab Chem Biol & Tradit Chinese Med Res, Changsha 410081, Peoples R China.

Cent S Univ, Coll Chem & Chem Engn, Hunan Prov Key Lab Chem Power Resources, Changsha 410083, Peoples R China.

语种：

英文

关键词：

Ni3S2@nickel foam;Direct hydrothermal sulfidization;Oxidant-assisted;All-solid-state flexible supercapacitors

期刊：

Journal of Power Sources

ISSN：

0378-7753

年：

2020

卷：

448

页码：

227408

DOI：

10.1016/j.jpowsour.2019.227408

基金类别：

National Natural Science Foundation of ChinaNational Natural Science Foundation of China [51874359, 21171174, 21505035]; Provincial Natural Science Foundation of HunanNatural Science Foundation of Hunan Province [2015JJ4035, 2016JJ3028]; Key Scientific Research Fund of Hunan Provincial Science and Technology [2011GK2014]; Hunan Provincial Science and Technology Plan Project [2017TP1001]; Scientific Research Projects of Education Department of Hunan Province [18A336]

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本校为其他机构

院系归属：

化学与材料科学学院

摘要：

In this work, we demonstrate, for the first time, a low-temperature direct-sulfidization of nickel foam (NF) assisted with oxidant K2S2O8 to fabricate a novel self-supported hierarchical porous Ni3S2@NF electrode for supercapacitors. The resultant Ni3S2@NF electrode exhibits a high specific capacitance of 2519.5 mF cm(-2) at a current density of 1.0 mA cm(-2), and a rate capability of 68.5% over a current density range of 1-20 mA cm(-2). At the same time, the retention of areal specific capacitance amounts to similar to 100% of its initial capacitance at 20 mA cm(-2) after 4000 consecutive cha...

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Oxidant-assisted direct-sulfidization of nickel foam toward a self-supported hierarchical Ni3S2@Ni electrode for asymmetric all-solid-state supercapacitors

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