以硫酸锰为原料合成出球状MnCO3作为前驱体,加入KMnO4,通过化学沉淀法成功制备出粒径范围在0.5～1.0 μm的核壳结构MnCO3@Mn3O4球形颗粒.通过对比实验发现,MnCO3、KMnO4和盐酸的添加量对最终产物的形成有很大的影响.电化学性能测试表明,核壳结构MnCO3@Mn3O4球形颗粒兼有双电层电容和赝电容特性,其最大比电容可以达到156 F/g.
参考文献
| [1] | Weifeng Wei;Xinwei Cui;Weixing Chen .Manganese oxide-based materials as electrochemical supercapacitor electrodes[J].Chemical Society Reviews,2011(3):1697-1721. |
| [2] | Dubal D P;Dhawale D S;Salunkhe R R et al.Chemical synthesis and characterization of Mn3O4 thin films for supercapacitor application[J].Journal of Alloys and Compounds,2010,497(1-2):166. |
| [3] | Taekyung Yu;Jaewon Moon;Jinkyung Park .Various-Shaped Uniform Mn3O4 Nanocrystals Synthesized at Low Temperature in Air Atmosphere[J].Chemistry of Materials: A Publication of the American Chemistry Society,2009(11):2272-2279. |
| [4] | 李美玲,孔祥华,卢瑶,王更超,王晓峰,尤政.Mn3O4电极的制备及电化学性能研究[J].电子元件与材料,2012(06):19-21. |
| [5] | Pang S.C.;Anderson M.A. .Novel Electrode Materials for Thin-Film Ultracapacitors: Comparison of Electrochemical Properties of Sol-Gel-Derived and Electrodeposited Manganese Dioxide[J].Journal of the Electrochemical Society,2000(2):444-450. |
| [6] | Masoud Salavati-Niasari;Fatemeh Davar;Mazaheri Mehdi .Synthesis of Mn3O4 nanoparticles by thermal decomposition of a[bis (salicylidiminato) manganese (Ⅱ)]complex[J].Polyhedron,2008,27(17):3467. |
| [7] | 张子瑜,胡中爱,杨玉英,王欢文,常艳琴,陈艳丽,雷自强.Ce掺杂Mn3O4及其电化学电容行为[J].物理化学学报,2011(07):1673-1678. |
| [8] | Shengtao Xing;Zicheng Zhou;Zichuan Ma;Yinsu Wu .Facile synthesis and electrochemical properties of Mn_3O_4 nanoparticles with a large surface area[J].Materials Letters,2011(3):517-519. |
| [9] | A novel chemical synthesis and characterization of Mn_3O_4 thin films for supercapacitor application[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2010(14):p.4411. |
| [10] | Jeong Woo Lee;Anthony S. Hall;Jong-Duk Kim .A Facile and Template-Free Hydrothermal Synthesis of Mn3O4 Nanorods on Graphene Sheets for Supercapacitor Electrodes with Long Cycle Stability[J].Chemistry of Materials: A Publication of the American Chemistry Society,2012(6):1158-1164. |
| [11] | Li Li;Zaiping Guo;Aijun Du .Rapid microwave-assisted synthesis of Mn3O4-graphene nanocomposite and its lithium storage properties[J].Journal of Materials Chemistry: An Interdisciplinary Journal dealing with Synthesis, Structures, Properties and Applications of Materials, Particulary Those Associated with Advanced Technology,2012(8):3600-3605. |
| [12] | Peng Li;Caiyun Nan;Zhe Wei .Mn3O4 Nanocrystals: Facile Synthesis, Controlled Assembly, and Application[J].Chemistry of Materials: A Publication of the American Chemistry Society,2010(14):4232-4236. |
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