The Charge Storage Mechanisms of 2D Cation-Intercalated Manganese Oxide in Different Electrolytes

doi:10.1002/aenm.201802707

	The Charge Storage Mechanisms of 2D Cation-Intercalated Manganese Oxide in Different Electrolytes
	Levi, Mikhael D.3; Bu, Xudong 1; Lei, Shulai 2; Dou, Qingyun 2,4; Ma, Pengjun 2; Yan, Xingbin 2,7; Lu, Yulan 5; Chai, Yinguang 6; Liu, Bao 2,4; Ji, Hengxing 6
刊名	ADVANCED ENERGY MATERIALS
	2019
卷号	9 期号:3 页码:10
关键词	cation-intercalated manganese oxide charge storage mechanism electrochemical quartz crystal microbalance operando Raman supercapacitors
ISSN号	1614-6832
DOI	10.1002/aenm.201802707
通讯作者	Yan, Xingbin(xbyan@licp.cas.cn)
英文摘要	2D ion-intercalated metal oxides are emerging promising new electrodes for supercapacitors because of their unique layered structure as well as distinctive electronic properties. To facilitate their application, fundamental study of the charge storage mechanism is required. Herein, it is demonstrated that the application of in situ Raman spectroscopy and electrochemical quartz crystal microbalance with dissipation monitoring (EQCM-D), provides a sufficient basis to elucidate the charge storage mechanism in a typical 2D cation-intercalated manganese oxide (Na0.55Mn2O4 center dot 1.5H(2)O, abbreviated as NMO) in neutral and alkaline aqueous electrolytes. The results reveal that in neutral Na2SO4 electrolytes, NMO mainly displays a surface-controlled pseudocapacitive behavior in the low potential region (0-0.8 V), but when the potential is higher than 0.8 V, an intercalation pseudocapacitive behavior becomes dominant. By contrast, NMO shows a battery-like behavior associated with OH- ions in alkaline NaOH electrolyte. This study verifies that the charge storage mechanism of NMO strongly depends on the type of electrolyte, and even in the same electrolyte, different charging behaviors are revealed in different potential ranges which should be carefully taken into account when optimizing the use of the electrode materials in practical energy-storage devices.
资助项目	National Nature Science Foundations of China[21573265] ; National Nature Science Foundations of China[21673263] ; National Nature Science Foundations of China[21805292] ; One-Three-Five Strategic Planning of Chinese Academy of Sciences
WOS关键词	QUARTZ-CRYSTAL MICROBALANCE ; ELECTROCHEMICAL ENERGY-STORAGE ; UNDERPOTENTIAL DEPOSITION ; MICROPOROUS CARBONS ; IONIC FLUXES ; DOUBLE-LAYER ; MNO2 ; ELECTRODES ; PERFORMANCE ; CONVERSION
WOS研究方向	Chemistry ; Energy & Fuels ; Materials Science ; Physics
语种	英语
出版者	WILEY-V C H VERLAG GMBH
WOS记录号	WOS:000456215200009
资助机构	National Nature Science Foundations of China ; National Nature Science Foundations of China ; One-Three-Five Strategic Planning of Chinese Academy of Sciences ; One-Three-Five Strategic Planning of Chinese Academy of Sciences ; National Nature Science Foundations of China ; National Nature Science Foundations of China ; One-Three-Five Strategic Planning of Chinese Academy of Sciences ; One-Three-Five Strategic Planning of Chinese Academy of Sciences ; National Nature Science Foundations of China ; National Nature Science Foundations of China ; One-Three-Five Strategic Planning of Chinese Academy of Sciences ; One-Three-Five Strategic Planning of Chinese Academy of Sciences ; National Nature Science Foundations of China ; National Nature Science Foundations of China ; One-Three-Five Strategic Planning of Chinese Academy of Sciences ; One-Three-Five Strategic Planning of Chinese Academy of Sciences
内容类型	期刊论文
源URL	[http://cas-ir.dicp.ac.cn/handle/321008/166276]
专题	大连化学物理研究所_中国科学院大连化学物理研究所
通讯作者	Yan, Xingbin
作者单位	1.Lanzhou Univ Technol, Sch Mat Sci & Engn, Lanzhou 730050, Gansu, Peoples R China 2.Chinese Acad Sci, Lanzhou Inst Chem Phys, Lab Clean Energy Chem & Mat, State Key Lab Solid Lubricat, Lanzhou 730000, Gansu, Peoples R China 3.Bar Ilan Univ, Dept Chem, IL-52900 Ramat Gan, Israel 4.Univ Chinese Acad Sci, Ctr Mat Sci & Opoelect Engn, Beijing 100080, Peoples R China 5.Lanzhou Univ, Sch Phys Sci & Technol, Lanzhou 730000, Gansu, Peoples R China 6.Univ Sci & Technol China, Dept Mat Sci & Engn, Hefei 230026, Anhui, Peoples R China 7.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116000, Peoples R China
推荐引用方式 GB/T 7714	Levi, Mikhael D.,Bu, Xudong,Lei, Shulai,et al. The Charge Storage Mechanisms of 2D Cation-Intercalated Manganese Oxide in Different Electrolytes[J]. ADVANCED ENERGY MATERIALS,2019,9(3):10.
APA	Levi, Mikhael D..,Bu, Xudong.,Lei, Shulai.,Dou, Qingyun.,Ma, Pengjun.,...&Zhang, Qingnuan.(2019).The Charge Storage Mechanisms of 2D Cation-Intercalated Manganese Oxide in Different Electrolytes.ADVANCED ENERGY MATERIALS,9(3),10.
MLA	Levi, Mikhael D.,et al."The Charge Storage Mechanisms of 2D Cation-Intercalated Manganese Oxide in Different Electrolytes".ADVANCED ENERGY MATERIALS 9.3(2019):10.