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Preparation of ultrafine nickel powder by wet chemical process CHEN Rui-ying(陈瑞英), ZHOU Kang-gen(周康根) School of Metallurgical Science and Engineering, Central South University, Changsha 410083, China Received 11 October 2005; accepted 23 February 2006 Abstract: The main technical problems of nickel powder for multiplayer ceramic capacitors are particle size controlling, the agglomeration......
by SEM. The results reveal that the nickel deposition obtained from the optimum conditions are composed of compact, non-porous fine grains covering the entire surface. X-ray analysis shows that nickel..., are dependent on the effect of electroplating variables. such as bath composition, current density, pH and temperature. 3) The nickel deposition obtained from citrate bath is compact, non-porous fine......
A green process for recovering nickel from nickeliferous laterite ores ZHAI Yu-chun(翟玉春)1, MU Wen-ning (牟文宁)2, LIU Yan (刘 岩)1, XU Qian(许 茜)1 1. Department of Metallurgical Physical Chemistry...; accepted 30 December 2009 ____________________________________________________________________________________________ Abstract: A novel process was proposed for recovering nickel from nickeliferous......
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Trans. Nonferrous Met. Soc. China 26(2016) 2910-2915 Synthesis of nickel aluminate nanoceramic compound from aluminum and nickel carbonate by mechanical alloying with subsequent annealing M... work was to produce pure nickel aluminate (NiAl2O4) nanoceramic compound by high energy milling of nickel carbonate (NiCO3) and aluminum (Al) powders followed by annealing. Phase composition, thermal......
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Leaching of nickel laterite ore assisted by microwave technique ZHAI Xiu-jing(翟秀静), WU Qiang(武 强), FU Yan(符 岩), MA Lin-zhi(马林芝), FAN Chuan-lin(范川林), LI Nai-jun(李乃军) School... ____________________________________________________________________________________________ Abstract: The application of microwave technique in the hydrometallurgy of nickel laterite ores was described. The mixture of nickel laterite ores and sulfuric acid was pre-treated......
Waste cotton fabric derived porous carbon containing Fe3O4/NiS nanoparticles for electrocatalytic oxygen evolutionShan Jiang1,Hao Shao1,Genyang Cao2,Han Li1,Weilin Xu2,Jingliang Li1,Jian... continuous operation for 26 h.It can be believed that the outstanding OER performance is attributed to the synergistic effect between the iron oxides and nickel sulphides,as well as the micro-meso......
Open-celled porous NiAl intermetallics prepared by replication of carbamide space-holders WU Jie, CUI Hong-zhi, CAO Li-li, GU Zheng-zheng School of Materials Science and Engineering, Shandong University of Science and Technology, Qingdao 266510, China Received 18 October 2010; accepted 16 December 2010 Abstract: Open-celled porous NiAl intermetallics with adjustable pore characteristics......
Preparation of fine nickel powders via reduction of nickel hydrazine complex precursors HUANG Guo-yong(黄国勇)1, XU Sheng-ming(徐盛明)1, XU Gang(徐 刚)1, LI Lin-yan(李林艳)1,ZHANG Li-feng(张立...; Abstract: Fine nickel(Ni) powders with controllable particle sizes were synthesized via the reduction of nickel hydrazine......
