CMK-3/NiCo^sub 2^S^sub 4^ nanostructures for high performance asymmetric supercapacitors
In this paper, we report a nanostructured CMK-3/NiCo2S4 electrode material for supercapacitors. Owing to the introduction of CMK-3, the CMK-3/NiCo2S4 electrode exhibits a novel nanostructure of nanorods, and has a great improvement in conductivity. The CMK-3/NiCo2S4 electrode demonstrates a high spe...
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| Veröffentlicht in: | Materials chemistry and physics 2018-12, Vol.220, p.270 |
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| creator | Zhang, Guoxiong Chen, Yuemei Huang, Kai Chen, Yigang Guo, Haibo |
| description | In this paper, we report a nanostructured CMK-3/NiCo2S4 electrode material for supercapacitors. Owing to the introduction of CMK-3, the CMK-3/NiCo2S4 electrode exhibits a novel nanostructure of nanorods, and has a great improvement in conductivity. The CMK-3/NiCo2S4 electrode demonstrates a high specific capacitance (1843.1 F g−1 at 1 A g−1, 3.89 F cm−2 at 2 mA cm−2) and excellent cycling stability (94.2% over 2000 cycles at 10 A g−1). Moreover, an asymmetric supercapacitor (ASC) device is assembled with CMK-3/NiCo2S4 and activated carbon (AC) as positive and negative electrode, respectively, to characterize the electrodes’ electrochemical performance. The ASC device achieves a high energy density (34.9 Wh/kg at 357 W/kg) and a high power density (7300 W/kg at 15.3 Wh/kg), suggesting that the composite is a superior electrode material for high-performance supercapacitors. |
| doi_str_mv | 10.1016/j.matchemphys.2018.09.008 |
| format | Article |
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The ASC device achieves a high energy density (34.9 Wh/kg at 357 W/kg) and a high power density (7300 W/kg at 15.3 Wh/kg), suggesting that the composite is a superior electrode material for high-performance supercapacitors.</description><identifier>ISSN: 0254-0584</identifier><identifier>EISSN: 1879-3312</identifier><identifier>DOI: 10.1016/j.matchemphys.2018.09.008</identifier><language>eng</language><publisher>Lausanne: Elsevier BV</publisher><subject>Activated carbon ; Asymmetry ; Composite materials ; Electrochemical analysis ; Electrode materials ; Electrodes ; Flux density ; Nanorods ; Nanostructure ; Nanostructured materials ; Supercapacitors</subject><ispartof>Materials chemistry and physics, 2018-12, Vol.220, p.270</ispartof><rights>Copyright Elsevier BV Dec 1, 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Zhang, Guoxiong</creatorcontrib><creatorcontrib>Chen, Yuemei</creatorcontrib><creatorcontrib>Huang, Kai</creatorcontrib><creatorcontrib>Chen, Yigang</creatorcontrib><creatorcontrib>Guo, Haibo</creatorcontrib><title>CMK-3/NiCo^sub 2^S^sub 4^ nanostructures for high performance asymmetric supercapacitors</title><title>Materials chemistry and physics</title><description>In this paper, we report a nanostructured CMK-3/NiCo2S4 electrode material for supercapacitors. 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Owing to the introduction of CMK-3, the CMK-3/NiCo2S4 electrode exhibits a novel nanostructure of nanorods, and has a great improvement in conductivity. The CMK-3/NiCo2S4 electrode demonstrates a high specific capacitance (1843.1 F g−1 at 1 A g−1, 3.89 F cm−2 at 2 mA cm−2) and excellent cycling stability (94.2% over 2000 cycles at 10 A g−1). Moreover, an asymmetric supercapacitor (ASC) device is assembled with CMK-3/NiCo2S4 and activated carbon (AC) as positive and negative electrode, respectively, to characterize the electrodes’ electrochemical performance. The ASC device achieves a high energy density (34.9 Wh/kg at 357 W/kg) and a high power density (7300 W/kg at 15.3 Wh/kg), suggesting that the composite is a superior electrode material for high-performance supercapacitors.</abstract><cop>Lausanne</cop><pub>Elsevier BV</pub><doi>10.1016/j.matchemphys.2018.09.008</doi></addata></record> |
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| source | Elsevier ScienceDirect Journals |
| subjects | Activated carbon Asymmetry Composite materials Electrochemical analysis Electrode materials Electrodes Flux density Nanorods Nanostructure Nanostructured materials Supercapacitors |
| title | CMK-3/NiCo^sub 2^S^sub 4^ nanostructures for high performance asymmetric supercapacitors |
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