Electrochemical properties of Ti0.8Zr0.2V2.7Mn0.5Cr0.8Ni1.25 hydrogen storage alloy electrodes with various Ni powder fractions
The effects of Ni powder, a conductive material, on the electrochemical properties of Ti0.8Zr0.2V2.7Mn0.5Cr0.8Ni1.25 alloy electrodes were investigated. The maximum discharge capacity of the alloy electrodes is increased from 222.4 to 347.9mAhg-1 by increasing the weight ratio of Ni powder to Ti0.8Zr0.2V2.7Mn0.5Cr0.8Ni1.25 alloy powder from 0 to 4. The cycling stability and the high rate dischargeability show a gradually increasing tendency with increasing weight ratio of the Ni powder in the electrodes. In addition, the electrochemical kinetic properties of the alloy electrodes have also been improved when the weight ratio of Ni powder in the electrodes is increased.
He Miao Yongfeng Liu Danfeng Li Feng Xu Kun Luo Yu Zhao Mingxia Gao Hongge Pan
Department of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, Peoples Republic of China
国际会议
第二届功能原料国际研讨会(The 2rd International Symposium on Functional Materials)
杭州
英文
99-102
2007-05-16（万方平台首次上网日期，不代表论文的发表时间）