Electrode characteristics of nanocrystalline AB5 compounds prepared by mechanical alloying

被引：9

作者：

Chen, Z ^{[1
]}

Su, Y

Lu, M

Zhou, D

Huang, P

机构：

[1] Cent S Univ Technol, Inst Nonequilibrium Mat Sci & Engn, Changsha 410083, Peoples R China

[2] Hunan Univ, Mat Test & Res Ctr, Changsha 410082, Peoples R China

[3] Acad Sinica, Inst Met Res, State Key Lab RSA, Shenyang 110015, Peoples R China

来源：

MATERIALS RESEARCH BULLETIN | 1998年 / 33卷 / 10期

关键词：

hydrides; X-ray diffraction; electrochemical properties;

D O I：

10.1016/S0025-5408(98)00134-2

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Nanocrystalline LaNi(5) and LaNi(4.5)Si(0.5) synthesized by mechanical alloying were used as negative materials for Ni-MH batteries. It was found that the electrodes prepared with the nanocrystalline powders had similar discharge capacities, better activation behaviors, and longer cycle lifetimes, compared with the negative electrode prepared with polycrystalline coarse-grained LaNi(5) alloy. The properties of the electrodes prepared with these nanocrystalline materials were attributed to the structural characteristics of the compounds caused by mechanical alloying. (C) 1998 Elsevier Science Ltd.

引用

页码：1449 / 1455

页数：7

共 10 条

[1] ELECTROCHEMICAL PROPERTIES OF TIMN2-TYPE ALLOYS BALL-MILLED WITH NICKEL POWDER [J].

AU, M ;

POURARIAN, F ;

SIMIZU, S ;

SANKAR, SG ;

ZHANG, LA .

JOURNAL OF ALLOYS AND COMPOUNDS, 1995, 223 (01) :1-5

[2] The influence of cobalt on the electrochemical cycling stability of LaNi5-based hydride forming alloys [J].

Chartouni, D ;

Meli, F ;

Zuttel, A ;

Gross, K ;

Schlapbach, L .

JOURNAL OF ALLOYS AND COMPOUNDS, 1996, 241 (1-2) :160-166

[3]

CHEN D, 1997, CHIN J POWER SOURCES, V21, P18

[4] Nanocrystalline hydrogen storage alloys for rechargeable batteries [J].

Kronberger, H .

JOURNAL OF ALLOYS AND COMPOUNDS, 1997, 253 (1-2) :87-89

[5]

SAKAI T, 1993, J LESS-COMMON MET, V192, P173

[6] SURFACE EFFECTS AND THE FORMATION OF METAL-HYDRIDES [J].

SCHLAPBACH, L ;

SEILER, A ;

STUCKI, F ;

SIEGMANN, HC .

JOURNAL OF THE LESS-COMMON METALS, 1980, 73 (01) :145-160

[7] Introduction to the viewpoint set on: Mechanical alloying [J].

Schwarz, RB .

SCRIPTA MATERIALIA, 1996, 34 (01) :1-4

[8] SYNTHESIS OF MMNI4.5AL0.5 BY MECHANICAL ALLOYING [J].

SINGH, AK ;

SRIVASTAVA, ON .

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 1992, 17 (04) :289-292

[9]

SURYANARAYANA C, 1995, INT MATER REV, V40, P41, DOI 10.1179/095066095790151106

[10]

Willems J. J. G., 1984, Philips Journal of Research, V39, P1

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