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Citation: Zhang Zhao-Liang, Sun Dong-Sheng, Yang Xi-Yao. Properties of AB₅-type Hydrogen Storage Alloy Electrodes[J]. Acta Physico-Chimica Sinica, ;1998, 14(10): 954-956. doi: 10.3866/PKU.WHXB19981018 shu

Properties of AB₅-type Hydrogen Storage Alloy Electrodes

1.
College of Chemistry and Molecular Engineering,Peking University,Beijing 100871

Received Date: 3 December 1997
Available Online: 15 October 1998

The properties of La_0.45Ce_0.2Nd_0.2Pr_0.15Ni_3.55Co_0.75 alloy electrode com-pared with those of La_0.65Nd_0.2Pr_0.15Ni_3.55Co_0.75Mn_0.4Al_0.3 have been investigated, in addition, the effects of Ce have been disscussed. The La_0.65Nd_0.2Pr_0.15Ni_3.55Co_0.75Mn_0.4 alloy electrode shows a high discharge capacity and rate capability but low cycling stability. With partial substitution for La by Ce, i.e. the La_0.45Ce_0.2Nd_0.2Pr_0.15Ni_3.55Co_0.75 alloy electrode shows a od cycling stability, which decays only 12% of maximum capacity (310 mA•h•g-1) after 300 cycles.
- Hydrogen storage alloy,
- Metal hydride-nickel battery,
- Rare-earth,
- Cycle life
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沈阳化工大学材料科学与工程学院沈阳 110142

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Properties of AB₅-type Hydrogen Storage Alloy Electrodes