Fe3O4/biocarbon composites with superior performance in supercapacitors

doi:10.1016/j.jelechem.2017.09.028

CORC > 兰州理工大学 > 兰州理工大学 > 石油化工学院

	Fe3O4/biocarbon composites with superior performance in supercapacitors
	Chen, Jiao 1; Qiu, Jianhui 1; Wang, Bin 1; Feng, Huixia 2; Ito, Kazushi 1; Sakai, Eiichi 1
刊名	JOURNAL OF ELECTROANALYTICAL CHEMISTRY
	2017-11
卷号	804 页码:232-239
关键词	Biomass-carbon KOH-activated Fe3O4 nanoparticles Fe3O4 composites Supercapacitors
ISSN号	1572-6657
DOI	10.1016/j.jelechem.2017.09.028
英文摘要	In this article, Fe3O4/actlvated biocarbon (KWB) composites (KBFe) have been prepared via a chemical coprecipitation method. First, the KWB was derived from biomass waste, sugarcane bagasse, and then, the KBFe composites were obtained by using KWB as the scaffolds for Fe3O4 growth. Results indicated that the chemical composition and microstructure of the KBFe were intimately related to the mass ratio of Fe3O4 and KWB, which impacted the electrochemical performance of the KBFe profoundly. Especially, the KBFe-4 (the mass ratio of Fe3O4/KWB is 1) displayed the highest specific capacitance of 342 Fg(-1) at a current density of 1 Ag-1. Furthermore, the asymmetric two-electrode system based on MnO2/KWB composite (KWBM) as positive electrode and KBFe-4 as negative electrode was successfully assembled with a voltage window of 0-1.6 V, and exhibited high energy density (29.1 Wh kg(-1)) and power density (800 W kg(-1)), along with excellent cycling stability (89.5% capacitance retention after 1000 cycles).
资助项目	National Natural Science Foundation of China[51063003][201664009]
WOS研究方向	Chemistry ; Electrochemistry
语种	英语
出版者	ELSEVIER SCIENCE SA
WOS记录号	WOS:000413880700030
状态	已发表
内容类型	期刊论文
源URL	[http://119.78.100.223/handle/2XXMBERH/33038]
专题	石油化工学院教务处（创新创业学院）
通讯作者	Qiu, Jianhui
作者单位	1.Akita Prefectural Univ, Fac Syst Engn, Dept Machine Intelligence & Syst Engn, Akita 0150055, Japan 2.Lanzhou Univ Technol, Coll Petrochem Technol, Lanzhou 730050, Gansu, Peoples R China
推荐引用方式 GB/T 7714	Chen, Jiao,Qiu, Jianhui,Wang, Bin,et al. Fe3O4/biocarbon composites with superior performance in supercapacitors[J]. JOURNAL OF ELECTROANALYTICAL CHEMISTRY,2017,804:232-239.
APA	Chen, Jiao,Qiu, Jianhui,Wang, Bin,Feng, Huixia,Ito, Kazushi,&Sakai, Eiichi.(2017).Fe3O4/biocarbon composites with superior performance in supercapacitors.JOURNAL OF ELECTROANALYTICAL CHEMISTRY,804,232-239.
MLA	Chen, Jiao,et al."Fe3O4/biocarbon composites with superior performance in supercapacitors".JOURNAL OF ELECTROANALYTICAL CHEMISTRY 804(2017):232-239.