利用电脱氧法(FFC)从NiO-CeO2、NiO-SnO2氧化物制备CeNi5、Ni3Sn2.以不同温度烧结的混合氧化物试样作阴极,石墨碳棒作阳极,在850℃的CaCl2熔盐中,3.1 V电压下完成反应.采用SEM和XRD分析电解前后试样形貌及相组成.结果表明:烧结温度越高,试样的孔隙率越低,电解电流越小;不同温度烧结试样可电解出纯CeNi5相,低温烧结试样可电解出纯Ni3Sn2相,产物为疏松的海绵状.本实验为电池材料提供了一种新的制备方法.
参考文献
| [1] | Chen G Z;Fray D J;Farthing T W .[J].NATURE,2000,407(09):361. |
| [2] | Flower H M .[J].NATURE,2000,407(09):305. |
| [3] | Schwandt C;Fray D J .[J].Electrochimica Acta,2005,51(01):66. |
| [4] | George Z Chen;Elena Gordo;Derek J Fray .[J].Metallurgical and Materials Transactions,2004,35(02):223. |
| [5] | Yan Xiaoy;Derek J Fray .[J].Journal of the Electrochemical Society,2005,152(01):12. |
| [6] | Wang Dihua;Qiu Guohong;Jin Xianbo et al.[J].Angewandte Chemie International Edition,2006,45(15):2384. |
| [7] | ZHU Yong,MA Meng,WANG Dihua,JIANG Kai,HU Xiaohong,JIN Xianbo,George Z. CHEN.Electrolytic reduction of mixed solid oxides in molten salts for energy efficient production of the TiNi alloy[J].科学通报（英文版）,2006(20):2535-2540. |
| [8] | Glowacki BA.;Fray DJ.;Yan XY.;Chen G. .Superconducting Nb3Sn intermetallics made by electrochemical reduction of Nb2O5-SnO2 oxides[J].Physica, C. Superconductivity and its applications,2003(1/2):242-246. |
| [9] | Qiu Guohong;Wang Dihua;Ma Meng et al.[J].Journal of Electroanalytical Chemistry,2006,589(01):139. |
| [10] | Guohong Qiu;Dihua Wang;Xianbo Jin;George Z. Chen .A direct electrochemical route from oxide precursors to the terbium-nickel intermetallic compound TbNi{sub}5[J].Electrochimica Acta,2006(26):5785-5793. |
| [11] | 胡小峰;许茜 .[J].金属学报,2006,42(03):285. |
| [12] | 陈朝轶,鲁雄刚.固体透氧膜法与熔盐电解法制备金属铬的对比[J].金属学报,2008(02):145-149. |
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