| 金属阳极溶解法制备纳米氧化物NiAl2O4 |
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| 引用本文： | 朱传高,朱其永,周幸福,褚道葆.金属阳极溶解法制备纳米氧化物NiAl2O4[J].精细化工,2005,22(2):135-137. |
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| 作者姓名： | 朱传高 朱其永 周幸福 褚道葆 |
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| 作者单位： | 淮南师范学院,化学系,安徽,淮南,232001;安徽师范大学,有机化学研究所,安徽,芜湖,241000 |
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| 基金项目： | 安徽省高校青年教师科研资助计划(2004jq185) |
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| 摘 要： | 在乙醇和乙酰丙酮混合溶液中,50～55℃,导电盐Bu4NBr浓度为0 040mol/L,控制阳极电流0 2A电解铝片6h,再电解镍片2h,制得前驱体NiAl2(OCH2CH3)(8 y)(acac)yacac为乙酰丙酮基]。将电解液控制pH=8 5直接水解形成凝胶,凝胶经洗涤、干燥后在350℃煅烧2h,制得纳米NiAl2O4粉体,粒径20～30nm。用红外(IR)、差热-热重分析(TG-DTA)、X射线衍射(XRD)、电子透射技术(TEM)等手段对前驱体和纳米NiAl2O4进行了表征。
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| 关 键 词： | 纳米NiAl2O4 电合成 镍、铝配合物 溶胶-凝胶 |
| 文章编号： | 1003-5214(2005)02-0135-03 |
Synthesis of Nanosized NiAl2O4 by Sacrificial Anode |
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| ZHU Chuan-gao,ZHU Qi-yong,ZHOU Xing-fu,CHU Dao-bao.Synthesis of Nanosized NiAl2O4 by Sacrificial Anode[J].Fine Chemicals,2005,22(2):135-137. |
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| Authors: | ZHU Chuan-gao ZHU Qi-yong ZHOU Xing-fu CHU Dao-bao |
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| Affiliation: | ZHU Chuan-gao~1,ZHU Qi-yong~1,ZHOU Xing-fu~2,CHU Dao-bao~2 |
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| Abstract: | The precursor NiAl_2(OCH_2CH_3)_((8-y))(acac)_y was synthesized by electrochemical dissolution of aluminum for 6 h and then nickel for 2 h at 0.2 A in ethanol and acetylacetone solution.Nanon NiAl_2O_4 powder was prepared from the electrolytic solution by direct sol-gel process under pH=8.5,drying and calcining at 350 ℃ for 2 h. IR spectrum,TG-DTA,XRD and TEM were used to investigate the structure of the precursor and nanosized NiAl_2O_4.The experiments showed that during electrolysis,the temperature controlled at 54～60 ℃ and concentration of Bu_4NBr of 0.040～0.045 mol/L as conductive additive could improve the current efficiency,and nanosized NiAl_2O_4 with a narrow size distribution of 20～30 nm can be obtained at a low calcination temperature of 350 ℃. |
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| Keywords: | nanon NiAl_2O_4 electrosynthesis Ni and Al complex sol-gel |
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