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An investigation on electrochemical performances of as-cast and annealed La0.8Mg0.2Ni3.3Co0.2Six (x = 0-0.2) alloy electrodes for Ni/MH battery applicationZHANG Yang-huan(张羊换)1, 2, CHEN Li-cui(陈莉翠)1... La0.8Mg0.2Ni3.3Co0.2Six (x=0-0.2) electrode alloys were prepared by casting and annealing. The influences of the additional silicon and the annealing treatment on the structure and electrochemical performances......
and electrochemical performances of the alloys was performed. The obtained results reveal that the as-cast and annealed alloys comprise two major phases, (La, Mg)2Ni7 phase with the hexagonal Ce2Ni7-type... current density (IL) as well as the electrochemical impedance.Key words:A2B7-type electrode alloy; La; Pr; structure; electrochemical performances......
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Synthesis and electrochemical performances of LiNi0.6Co0.2Mn0.2O2 cathode materials ZHONG Sheng-kui(钟胜奎)1, 2, LI Wei(李 伟)1, LI Yan-hong(李艳红)3, ZUO Zheng-guang(邹正光)1, 2, TANG Xin(唐 鑫... excellent electrochemical performances. The optimum sintering temperature and sintering time are 850 ℃ and 20 h, respectively. The LiNi0.6Co0.2Mn0.2O2 shows the discharge capacity of 148 mA?h/g......
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Effects of Na content on structure and electrochemical performances of NaxMnO2+d cathode material YANG Shun-yi(杨顺毅)1, WANG Xian-you(王先友)1, WANG Ying(王 莹)2, CHEN Quan-qi(陈权启)1, LI Jiao-jiao(李姣姣)1..., 0.5, 0.6, 0.7, 1.0; d = 0-0.3), were synthesized by solid-state reaction routine combined with sol-gel process. The structure, morphology and electrochemical performances of as-prepared samples were......
Structures and electrochemical performances of La0.75-xZrxMg0.25Ni3.2Co0.2Al0.1 (x=0-0.2) electrode alloys prepared by melt spinning ZHANG Yang-huan(张羊换)1, 2, ZHAO Dong-liang(赵栋梁)1, SHI... La0.75-xZrxMg0.25Ni3.2Co0.2Al0.1 (x=0, 0.05, 0.1, 0.15, 0.2) were prepared by casting and melt-spinning. The influences of melt spinning on the electrochemical performances as well as the structures......