应用化学 ›› 1993, Vol. 0 ›› Issue (4): 61-63.

• 研究简报 • 上一篇    下一篇

Al含量对MLNi4-xMnAlx贮氢电极性能的影响

赵东江, 蔡称心, 王宝忱   

  1. 中国科学院长春应用化学研究所 130022 长春
  • 收稿日期:1992-07-07 修回日期:1992-09-18 出版日期:1993-08-10 发布日期:1993-08-10

INFLUENCES OF Al CONTENTS ON ELECTROCHEMICAL PROPERTIES OF MLNi4-xMnAlx HYDROGEN STORAGE ELECTRODES

Zhao Dongjiang Cai Chengxin., Wang Baochen   

  1. Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 130022 Changchun
  • Received:1992-07-07 Revised:1992-09-18 Published:1993-08-10 Online:1993-08-10

摘要: 在稀土镍合金贮氢电极(MH)的研究中,曾报道电解液浓度对MLNia3.5MnCo0.4Al0.1(ML代表富镧混合稀土)电极放电性能的影响。本文报道Al含量对MLNi4-xMnAlx电极性能的影响,并用循环伏安法对电极反应机理进行了探讨。

关键词: 氢化物电极, 稀土镍合金, 性能

Abstract: The electrochemical performances of MLNi4-xMnAlx hydrogen storage alloys with different Al content have been studied. The results showed that the discharge capacity,fast discharge ability,overpotentials and cycle life of the MLNi4-xMnAlx electrodes were affected by Al contents. The cyclic voltarnmetry of MH electrodes exhibited a good linear relationship between Ip and υ 1/2,suggesting MH electrode reaction being controlled by diffusion process.

Key words: hydride electrode, rare earth-nickel alloy, property