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Co-B合金粉体的制备和电化学行为吕东生1,李伟善1,谭春林1,曾荣华1(1.广东省广州市华南师范大学化学与环境学院)摘 要:通过NaBH4还原CoSO4溶液制备了Co0.68B0.32,Co0.55B0.45和Co0.50B0.50一系列超细非晶态Co-B合金粉体.电化学测试表明,在300 mA/g的高电流密度下,3种合金电极的首次放电容量分别高达510.6,666.4和667.2 mA·h/g,经60次循环后,放电容量仍分别有331.6,379.5和390.5 mA·h/g.3种合金电极还表现出良好的高率放......
storage alloy; metal hydride electrode; rare earth alloy; electrochemical property; Received: 1999-11-15 Buschow等 [1] 发现化学计量比对贮氢合金吸放氢性能影响很大, Tadokoro等 [2] 进一步研... 收稿日期:1999-11-15 基金:四川省重点科研成果与转化项目基金!资助 (川计 1 997-1 1 91 ); Electrochemical properties of non-stoichiometric hydrogen storage alloy Ml (Ni0.71Co0.15Al0.06Mn0.08) x
Mechanical and electrochemical characteristics evaluation in annealing treatment for ship material Seok-Ki JANG1, Young-Jae JEONG2, Seong-Jong KIM1 1. Division of Marine Engineering... on the electrochemical and mechanical properties of SS400 steel was investigated, and the effects of annealing conditions on notched specimens subjected to the slow strain rate test (SSRT) were studied......
J. Cent. South Univ. (2021) 28: 1058-1067 DOI: https://doi.org/10.1007/s11771-021-4679-9 Comparative study on microstructure and electrochemical corrosion resistance of Al7075 alloy prepared... of 7075 aluminum alloy structural parts by laser engineered net shaping technology has become an important development direction in the future aerospace field. Electrochemical corrosion resistance......
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Effects of electrochemical synthetic conditions on surface property and photocatalytic performance of copper and iron-mixed p-type oxide electrodesSun Hee Yoon1,Dong Suk Han1,Unseock Kang2,Seung Yo... an electrochemical deposition(ED) technique at two different ED potentials(-0.36 and-0.66 V vs saturated calomel electrode(SCE); denoted as ED-1 and ED-2, respectively). Then, their surface......
) of annealed alloys. Key words: hydrogen storage electrode alloy; Co-free alloy; annealing treatment; microstructure; electrochemical property electrochemical performances of Co-free MlNi4.0Al0.3Si0.1Fe0.6 hydrogen storage alloy CHEN Xian-li, LEI Yong-quan, LIAO Bin, WEI Fan-song, CHEN Li-xin (College......
are 95.5% and 79.2% at 0.2C rate, and 88.0% and 51.0% ar 10.0C rate, respectively. Key words: LiNi0.5Mn1.5O4；Li1.3Al0.3Ti1.7(PO4)3; high voltage cathode; surface coating; electrochemical property...:A Preparation and electrochemical properties of lithium nickel manganese oxide cathode materials coating with lithium ion conductor XIONG Li-zhi, LIU Wen-ping, WU Yu-xian, HE Ze-qiang (College......
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能优于750 ℃退火试样和非晶薄带的.在 650 ℃退火试样表面形成致密钝化膜,因此具有良好的抗腐蚀性能；而在非晶薄带和750 ℃退火试样表面形成的钝化膜不稳定,易发生点蚀和局部腐蚀. 关键词:非晶合金；极化曲线；交变阻抗；电化学腐蚀 中图分类号:TG139；TG171 文献标志码:A Electrochemical corrosion behavior of amorphous Ni42.2W19.2Fe18.9B19.7 alloy LIU Wen-sheng, WU Ya-yu, MA Yun-zhu, ZHANG Jia-jia, YE Xiao-shan, TIAN Hai-guan......
