以NH4VO3和MnCO3为原料,采用水热法制备了Mn2V2O7纳米棒,采用X射线衍射(XRD)及场发射扫描电子显微镜(FE-SEM)对样品的结构和形貌进行了表征,并对其反应机理进行了探讨.以Mn2V2O7纳米棒作为锂离子电池的负极材料,对其电化学储锂性能进行了初步研究.结果表明:Mn2V2O7纳米棒在50 mA/g条件下的首次放电比容量为962.4 mAh/g,循环50周后其放电比容量可稳定在389.4 mAh/g,显示出较好的循环性能.
参考文献
[1] | Hongrui Peng;Jie Ding;Ning Wang;Guicun Li .Facile synthesis of MnV_2O_6 nanostructures with controlled morphologies[J].Materials Letters,2009(16):1404-1406. |
[2] | M. Stanley Whittingham;Peter Y. Zavalij .Control of the structure and properties of vanadium and manganese oxides through tailored soft synthesis[J].International journal of inorganic materials,2001(8):1231-1236. |
[3] | Morishita T;Konno H;Izumi Y;Inagaki M .Oxidation state of vanadium in amorphous MnV2O6 formed during discharge-charge cycle and the improvement of its synthesis condition[J].Solid state ionics,2006(15/16):1347-1353. |
[4] | HU Fang,ZHANG Chun-hua,ZHANG Song,MING Xing,CHEN Gang,WEI Ying-jin,WANG Chun-zhong.Electrochemical Cycled Structure of MnV2O6 Nanoribbons Synthesized via Hydrothermal Route[J].高等学校化学研究(英文版),2011(03):528-530. |
[5] | Daishu Hara;Junichi Shirakawa;Hiromasa Ikuta;Yoshiharu Uchimoto;Masataka Wakihara;Takafumi Miyanaga;Iwao Watanabe .Charge-discharge reaction mechanism of manganese vanadium oxide as a high capacity anode material for lithium secondary battery[J].Journal of Materials Chemistry: An Interdisciplinary Journal dealing with Synthesis, Structures, Properties and Applications of Materials, Particulary Those Associated with Advanced Technology,2002(12):3717-3722. |
[6] | Kim SS.;Wakihara M.;Ikuta H. .Synthesis and characterization of MnV2O6 as a high capacity anode material for a lithium secondary battery[J].Solid state ionics,2001(1/2):57-65. |
[7] | Wenda Huang;Shaokang Gao;Xiaokun Ding .Crystalline MnV_2O_6 nanobelts: Synthesis and electrochemical properties[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2010(1):185-188. |
[8] | Liu Y;Zhang YG;Du J;Yu WC;Qian YT .Synthesis and characterization of single-crystal MnV2O6 nanobelts[J].Journal of Crystal Growth,2006(2):320-324. |
[9] | Shaoyan Zhang;Ruisheng Hu;Lei Liu;Dianyong Wang .Hydrothermal synthesis of MnV_2O_6 nanobelts and its application in lithium-ion battery[J].Materials Letters,2014(Jun.1):57-60. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%