Journal of Colloid and Interface Science 516 (2018) 48–56 Contents lists available at ScienceDirect Journal of Colloid and Interface Science journal homepage: www.elsevier.com/locate/jcis Regular Article Microwave synthesis of three-dimensional nickel cobalt sulﬁde nanosheets grown on nickel foam for high-performance asymmetric supercapacitors Fangping Wang , Guifang Li, Jinfeng Zheng, Jing Ma, Caixia Yang, Qizhao Wang Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education of China, Key Laboratory of Gansu Polymer Materials, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, China graphical a bstract ar ti c l e i nf o ab stra ct Article history: A facile and cost-effective microwave method is developed to prepare ternary nickel cobalt sulﬁde Received 21 September 2017 (NiCo S ) interconnected nanosheet arrays on nickel foam (NF). When acting as an electrochemical 2 4 Revised 8 January 2018 supercapacitor electrode material, the as-prepared NiCo S /NF shows a high speciﬁc capacitance of 2 4 Accepted 10 January 2018 1 1 1502 F g at a current density of 1 A g , and outstanding cycling stability of 91% capacitance retention Available online 10 January 2018 after 8000 cycles. In addition, a asymmetric supercapacitor (ASC) is composed of NiCo S
Journal of Colloid and Interface Science – Elsevier
Published: Apr 15, 2018
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