High Volumetric Energy Density Capacitors Based on New Electrode Material Lanthanum Nitride

doi:10.1021/acsenergylett.6b00636

	High Volumetric Energy Density Capacitors Based on New Electrode Material Lanthanum Nitride
	Zhang, Wei-Bin 2; Ma, Xue-Jing 2; Loh, Adeline 1; Li, Xiaohong 1; Walsh, Frank C.3; Kong, Ling-Bin 2
刊名	ACS ENERGY LETTERS
	2017-02
卷号	2 期号:2 页码:336-341
关键词	Ammonia Capacitance Charge transfer Electrochemical electrodes Silver compounds Sodium sulfate
ISSN号	2380-8195
DOI	10.1021/acsenergylett.6b00636
英文摘要	LaN is synthesized via calcining La2O3, in NH3 and studied as capacitive material for energy storage. A volumetric capacitance of 951.3 F cm(-3) was found in 1 mol dm(-3) Na2SO4 using a current density of 1 A g(-1), with less than 1% loss of capacitance being experienced after 5000 cycles. In addition, 87.3% of the initial capacitance remained at a current density of 10 A g(-1). LaN exhibits high capacitance that is attributed to subsurface space charge accumulation with a possible electric double-layer capacitor component. A reversible electrode process ensures long cycle life and favorable electrical charge transfer. The assembled LaN symmetrical capacitor showed high volumetric energy densities, facilitating high-duty applications.
WOS研究方向	Chemistry ; Electrochemistry ; Energy & Fuels ; Science & Technology - Other Topics ; Materials Science
语种	英语
出版者	AMER CHEMICAL SOC
WOS记录号	WOS:000394080000009
内容类型	期刊论文
源URL	[http://119.78.100.223/handle/2XXMBERH/33390]
专题	材料科学与工程学院
作者单位	1.Univ Exeter, Coll Engn Math & Phys Sci, Renewable Energy Grp, Penryn Campus, Exeter TR10 9FE, Cornwall, England; 2.Lanzhou Univ Technol, Sch Mat Sci & Engn, State Key Lab Adv Proc & Recycling Nonferrous Met, Lanzhou 730050, Peoples R China; 3.Univ Southampton, Fac Engn & Environm, Energy Technol Grp, Electrochem Engn Lab, Southampton SO17 1BJ, Hants, England
推荐引用方式 GB/T 7714	Zhang, Wei-Bin,Ma, Xue-Jing,Loh, Adeline,et al. High Volumetric Energy Density Capacitors Based on New Electrode Material Lanthanum Nitride[J]. ACS ENERGY LETTERS,2017,2(2):336-341.
APA	Zhang, Wei-Bin,Ma, Xue-Jing,Loh, Adeline,Li, Xiaohong,Walsh, Frank C.,&Kong, Ling-Bin.(2017).High Volumetric Energy Density Capacitors Based on New Electrode Material Lanthanum Nitride.ACS ENERGY LETTERS,2(2),336-341.
MLA	Zhang, Wei-Bin,et al."High Volumetric Energy Density Capacitors Based on New Electrode Material Lanthanum Nitride".ACS ENERGY LETTERS 2.2(2017):336-341.