采用水热法、沉淀法制备了纳米Fe2O3-CuO复合氧化物粉末作为锂离子电池负极材料,用XRD和TEM对其结构和形貌进行了分析和表征,并用充放电和循环性能等对其电化学性能进行了测试.结果表明,采用水热法可以制备出粒度分布较均匀、颗粒形状为块状、平均粒径约30 nm的纳米Fe2O3-CuO复合氧化物;采用沉淀法可以制备出粒度分布较均匀、颗粒形状为球状、平均粒径约90 nm的纳米Fe2O3-CuO复合氧化物.沉淀法制备的纳米Fe2O3-CuO复合氧化物放电容量高于水热法制备的纳米Fe2O3-CuO复合氧化物.
参考文献
| [1] | Aishui Y,Roger F.Mesoporous Tin oxides as lithiumintercalation anode materials[J].J Power Sources,2002,104:97-100. |
| [2] | Idota Y,Kubota T,Matsufuji A,et al.Tinbased amorphous oxide:A high-capacity lithium-ion-storage material[J].Science,1997,27:1395-1397. |
| [3] | Lou X W,Wang Y,Yuan C,et al.Template-free synthesis of SnO2 hollow nanostructures with high lithium storage capacity[J].Adv Mater,2006,18:2325-2329. |
| [4] | Yuan L,Guo Z P,Konstantinov K,et al.Nano-structured spherical porous SnO2 anodes for lithium-ion batteries[J].J Power Sources,2006,15:345-348. |
| [5] | Juttukonda V,Paddock R L,Raymond J E,et al.Facile synthesis of Tin oxide nanoparticles stabilized by dendritic polymers[J].J Am Chem Soc,2006,128:420-421. |
| [6] | 梁霍秀,边玉珍,叶世海,等.氧化铁的制备及电化学性能研究[J].南开大学学报,2006,39(3):43-46.Liang Huoxiu,Bian Yuzhen,Ye Shihai,et al.The preparation and electrochemical performance of hematite[J].Acta Scientiarum Naturallum(Universitatis Nakaiensis),2006,39(3):43-46. |
| [7] | 夏晓红,贾志杰,范中丽,等.纳米CuO制备研究[J].材料科学与工程学报,2003,21(2):200-204.Xia Xiaohong,Jia Zhijie,Fan Zhongli,et al.Study on the synthesis of nano-CuO[J].Journal of Materials Science &Engineering,2003,21(2):200-204. |
| [8] | Liu Y,Mi C,Su L,Zhang X.Hydrothermal synthesis of CO3O4 microspheres as anode material for lithium-ion batteries[J].Electrochim Acts,2008,53:2507-2513. |
| [9] | Li W Y,Xu L N,Chen J.Co3O4 nanomaterials in lithium-ion batteries and gas sensors[J].Adv Funct Mater,2005,15(5):851-857. |
| [10] | 黄峰,卢献忠,易德莲,等.多孔纳米Mg-Sn金属复合氧化物的制备及性能表征[J].武汉科技大学学报:自然科学版,2006,29(4):352-355.Huang Feng,Lu Xianzhong,Yi Delian,et al.Synthesis and electrochemica properties of porous nanosized Magnesium-Tin metal composite oxides[J].Journal of Wuhan University of Science and Technology:Natural Science Edition,2006,29 (4):352-355. |
| [11] | Belliard F,Irvine J S.Electrochemical performance of ballmilled ZnO-SnO2 systems as anodes in lithiumion battery[J].J Power Sources,2001,97/98:219-222. |
| [12] | Yuan Z Y,Huang F,Sun J T,et al.An amorphous nanosized Tin-Zinc composite oxide as a high capacity anode material for lithium ion batteries[J].Chemistry Letters,2002,3:408-409. |
| [13] | 张志萍,刘红飞,程晓农.化学共沉淀法合成低热膨胀ZrW2O8/ZrO2复合材料[J].复合材料学报,2008,25(4):137-142.Zhang Zhiping,Liu Hongfei,Chang Xiaonong.Synthesis of ZrW2O8/ZrO2 composites with low thermal expansion using chemical co-precipitation method[J].Acta Materiae Compositae Sinica,2008,25(4):137-142. |
| [14] | Li N C,Charles R M,Bruno S.Nanomaterial-based Li-ion battery electrodes[J].J Power Sources,2001,97/98:240-243. |
| [15] | Yuan Z Y,Huang F,Feng C Q,et al.Synthesis and characterization of amorphous nanosized MnSnO3 as a high capacity anode material for lithium ion battery[J].Journal of Materials Science Letters,2003,22:143-144. |
| [16] | Nam S C,Yoon Y S,Cho W I,et al.Enhancement of thin film tin oxide negative electrodes for lithium batteries[J].Electrochemistry Communications,2001,3(1):6-10. |
| [17] | Li H,Huang X,Chen L.Direct imaging of the passivating film and micro-structure of nanometer-scale SnO anodes in lithium rechargeable batteries[J].Electrochemical and SolidState Letters,1998,1(6):241-243. |
| [18] | Wu X L,Kim S B.Synthesis and electrode properties of αFe2O3 from iron phthalocyanine[J].Electrochemical and Solid -state Letters,1999,2(4):184-186. |
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