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		题名	作者	年代	出处	被引量
	1	Vertically aligned NiS nano-flakes derived from hydrothermally prepared Ni(OH)2 for high performance supercapacitor显示文摘In present work,the vertically aligned Ni S nano-flakes composed thin film is prepared by anionic exchange process in which hydrothermally prepared Ni(OH)_2is used as a parent thin film and Na_2S as a sulfide ion source.This synthesis process produced fully transformed and shape-controlled nano-flakes of Ni S from nano-flowers of Ni(OH)_2.The electrochemical supercapacitor properties of Ni S electrode are studied with cyclic voltammetry(CV),galvonostatic charge discharge(GCD)and electrochemical impedance spectroscopy(EIS)techniques.Highly porous surface area(85 m^2/g)of Ni S nano-flakes makes large material contribution in electrochemical reaction stretching specific capacitance(C_s)of 880 F/g at scan rate of 5 m V/s and 90%electrochemical stability up to 4000 CV cycles in 2 M KOH electrolyte.Further,the flexible solid-state symmetric supercapacitor device(Ni S/PVA–Li ClO_4/Ni S)has been fabricated using Ni S electrodes with polyvinyl alcohol(PVA)–lithium perchlorate(Li ClO_4)gel electrolyte.The Ni S/PVA–Li ClO_4/Ni S device exhibits specific capacitance of 56 F/g with specific energy of 14.98 Wh/kg and excellent cycling stability after 2000 cycles.In addition,the Ni S/PVA–Li ClO_4/Ni S device demonstrates illumination of red light emitting diode(LED)for 60 s,which confirms the practical applicability of Ni S/PVA–Li ClO_4/Ni S device in energy storage.	A.M.Patil A.C.Lokhande P.A.Shinde J.H.Kim C.D.Lokhande	2018	Journal of Energy Chemistry2018，27，3：	4

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