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The electrochemical properties of AB(3)/polyaniline composites
Qi, Yan-Ni1,2; Xu, Fen1; Chu, Hai-Liang1,2; Sun, Li-Xian1,3; Jiang, T.1; Zhu, M.4
KeywordAb(3)/pani Composite Electrochemical Properties Discharge Cycle Stability
Source PublicationINTERNATIONAL JOURNAL OF HYDROGEN ENERGY
2007-12-01
DOI10.1016/j.ijhydene.2007.07.008
Volume32Issue:18Pages:4894-4899
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS SubjectChemistry, Physical ; Electrochemistry ; Energy & Fuels
WOS Research AreaChemistry ; Electrochemistry ; Energy & Fuels
WOS KeywordHYDROGEN STORAGE ALLOYS ; METAL HYDRIDE ELECTRODES ; NI ; SUBSTITUTION ; BATTERIES ; BEHAVIOR ; POLYMER ; PD
AbstractThe La(0.7)Mg(0.25)Ti(0.05)Ni(2.975)Co(0.525) (AB(3)) alloy was modified with different contents of polyaniline (PANI) through ball milling. XRD, SEM and FTIR were used to characterize the properties of the AB(3)/x PANT composites (x=1, 2, 3 and 4wt%). The effects of PANI on the electrochemical properties of AB(3) alloy electrode were studied by charge-discharge, electrochemical impedance spectroscopy (EIS), linear polarization (LP) and potentiostatic discharge experiments. The XRD, SEM and FTIR results showed that ball milling did not change the characterizations of PANT and AB(3) alloy but decreased the average particle size of AB(3) alloy. The charge-discharge results indicated that the maximum discharge capacity of AB(3) alloy electrode decreased with the addition of PANT. However, the discharge cycle stability of AB(3)/PANI composite electrodes increased firstly and then decreased with the increase in PANT content. The EIS and LP curves showed the same trends with the discharge cycle stability. The hydrogen diffusion coefficients of AB(3)/PANI composites were estimated from the potentiostatic discharge curves, indicated the opposite trend with the discharge cycle stability. When the PANT content was equal to 3 wt%, the AB(3)/PANI composite electrode exhibited an optimal electrochemical kinetic property. (c) 2007 International Association for Hydrogen Energy. Published by Elsevier Ltd. All rights reserved.
Language英语
WOS IDWOS:000252259500032
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/140551
Collection中国科学院大连化学物理研究所
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, Mat Thermochem Lab, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Educ Sch Chinese Acad Sci, Beijing 100049, Peoples R China
3.Jinan Univ, Dept Chem, Guangzhou 510632, Peoples R China
4.S China Univ Technol, Sch Mech Engn, Guangzhou 510641, Peoples R China
Recommended Citation
GB/T 7714
Qi, Yan-Ni,Xu, Fen,Chu, Hai-Liang,et al. The electrochemical properties of AB(3)/polyaniline composites[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2007,32(18):4894-4899.
APA Qi, Yan-Ni,Xu, Fen,Chu, Hai-Liang,Sun, Li-Xian,Jiang, T.,&Zhu, M..(2007).The electrochemical properties of AB(3)/polyaniline composites.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,32(18),4894-4899.
MLA Qi, Yan-Ni,et al."The electrochemical properties of AB(3)/polyaniline composites".INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 32.18(2007):4894-4899.
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