Controllable one-pot synthesis of emerging β-Cu2Se nanowire freely standing on nickel foam for high electrochemical energy storage performance
Controllable one-pot synthesis of emerging β-Cu2Se nanowire freely standing on nickel foam for high electrochemical energy storage performance
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新兴β-Cu2Se纳米线的可控一锅合成自由站立在泡沫镍上,具有高电化学储能性能
DOI:
10.1016/j.apsusc.2018.08.147
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发表时间:
2019
影响因子:
6.7
通讯作者:
Xianfa Zhang
中科院分区:
文献类型:
--
作者:
Panpan Xu;Guiling Wang;Chenxu Miao;Kui Cheng;Ke Ye;Kai Zhu;Jun Yan;Dianxue Cao;Xianfa Zhang
Transition metal selenide has stimulated much research interest in energy storage and conversion, due to its excellent electrical conductivity. β-Cu2Se with special crystal structure is considered as super-ionic conductor, of which the diffusion coefficient is as large as a liquid. The fast ions and electrons conductor β-Cu2Se with uniformly dense nanowire crossing with each other directly on nickel foam is prepared via simple one-step solvothermal grow method for 4 h, avoiding conductive agent and binder. The feature much benefitting for electrons and ions transfer enable the β-Cu2Se-4h electrode delivers specific capacity as high as 182.4 mA h g−1at current density of 2 mA cm−2, which is still 105.6 mA h g−1even at high current density of 50 mA cm−2, and excellent cycling stability of 85% after repetitively charge-discharge 10,000 times. The fabricated asymmetric supercapacitor (β-Cu2Se-4h//AC) achieves maximum energy and power density is 48 Wh kg−1and 5500 W kg−1.
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影响因子:
16.6
作者:
White SL;Banerjee P;Jain PK
通讯作者:
Jain PK
影响因子:
3.9
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Yan Zhang;Jie Xu;Yayun Zheng;Xiaoyan Hu;Yuanyuan Shang;Yingjiu Zhang
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Yan Zhang;Jie Xu;Yayun Zheng;Xiaoyan Hu;Yuanyuan Shang;Yingjiu Zhang
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Cao Dianxue
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9.2
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通讯作者:
Yan, Qingyu
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3.4
作者:
S. Patil;R. Bulakhe;C. Lokhande
通讯作者:
S. Patil;R. Bulakhe;C. Lokhande