HYDROGEN DIFFUSION IN AMORPHOUS LANI2HX THIN-FILMS

被引:13
作者
MIYAMURA, H
KURIYAMA, N
SAKAI, T
OGURO, K
UEHARA, I
ISHIKAWA, H
机构
[1] Government Industrial Research Institute, Osaka, Ikeda, Osaka, 563
关键词
D O I
10.1016/0925-8388(93)90227-E
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Hydrogen diffusivity in an amorphous LaNi2Hx thin film was measured by an electrochemical method. The diffusivity strongly decreased with decreasing hydrogen concentration. The small hydrogen diffusivities in the low hydrogen concentration range retarded the electrochemical discharge of the hydride electrode.
引用
收藏
页码:188 / 190
页数:3
相关论文
共 12 条
  • [1] HYDROGEN INDUCED AMORPHIZATION IN RNI2 LAVES PHASES
    AOKI, K
    YAMAMOTO, T
    MASUMOTO, T
    [J]. SCRIPTA METALLURGICA, 1987, 21 (01): : 27 - 31
  • [3] HYDROGEN MOBILITY IN TI1.2MN1.8 HYDRIDE - A QUASI-ELASTIC NEUTRON-SCATTERING STUDY
    HEMPELMANN, R
    RICHTER, D
    HEIDEMANN, A
    [J]. JOURNAL OF THE LESS-COMMON METALS, 1982, 88 (02): : 343 - 351
  • [4] IWAKURA C, 1988, NIPPON KAGAKU KAISHI, P1472
  • [5] HYDROGEN IN AMORPHOUS METALS .1.
    KIRCHHEIM, R
    SOMMER, F
    SCHLUCKEBIER, G
    [J]. ACTA METALLURGICA, 1982, 30 (06): : 1059 - 1068
  • [6] PROTON DIFFUSION COEFFICIENT FOR NICKEL HYDROXIDE ELECTRODE
    MACARTHU.DM
    [J]. JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1970, 117 (06) : 729 - &
  • [7] HYDROGEN ABSORPTION AND PHASE-TRANSITIONS IN RAPIDLY QUENCHED LA-NI ALLOYS
    MIYAMURA, H
    SAKAI, T
    OGURO, K
    KATO, A
    ISHIKAWA, H
    [J]. JOURNAL OF THE LESS-COMMON METALS, 1989, 146 (1-2): : 197 - 203
  • [8] CHARACTERISTICS OF ELECTRODES USING AMORPHOUS AB2 HYDROGEN STORAGE ALLOYS
    MIYAMURA, H
    KURIYAMA, N
    SAKAI, T
    OGURO, K
    KATO, A
    ISHIKAWA, H
    IWASAKI, T
    [J]. JOURNAL OF THE LESS-COMMON METALS, 1991, 172 : 1205 - 1210
  • [9] MIYAMURA H, 1989, 1988 P MRS INT M ADV, V2, P15
  • [10] HYDRIDES OF LA-NI COMPOUNDS
    OESTERREICHER, H
    CLINTON, J
    BITTNER, H
    [J]. MATERIALS RESEARCH BULLETIN, 1976, 11 (10) : 1241 - 1247