以CuSO_4·5H_2O和NH_4VO_3为原料,采用水热法制备了Cu_3V_2O_7(OH)_2·2H_2O纳米线.利用XRD、FE-SEM、TEM和HRTEM对样品的结构和表面形貌进行了表征,并对其作为锂电池正极材料的电化学行为进行了研究.电化学性能测试表明,Cu_3V_2O_7(OH)_2·2H_2O纳米线电极具有较高的开路电压和较大的放电容量.
Using CuSO_4·5H_2O and NH_4VO_3 as raw materials,Cu_3V_2O_7(OH)_2·2H_2O nanowires are fabricated by a simple and facile hydrothermal process.The structure and morphologies of the as-synthesized Cu_3V_2O_7pacity.
参考文献
| [1] | Andrukaitis E .Study of lithium insertion into Me_xV_2O_(5+x/2),Me=copper,iron or chromium[J].Journal of Power Sources,1997,68:656. |
| [2] | Andrukaitis E;Cooper J P;Smit J H .Lithium intercalation in the divalent metal vanadates MeV_2O_6(Me=Cu,Co,Ni,Mn or Zn)[J].Journal of Power Sources,1995,54:465. |
| [3] | Morcrette, M;Martin, P;Rozier, P;Vezin, H;Chevallier, F;Laffont, L;Poizot, P;Tarascon, JM .Cu1.1V4O11: A new positive electrode material for rechargeable Li batteries[J].Chemistry of Materials,2005(2):418-426. |
| [4] | Cao XY;Xie JG;Zhan H;Zhou YH .Synthesis of CuV2O6 as a cathode material for rechargeable lithium batteries from V2O5 gel[J].Materials Chemistry and Physics,2006(1):71-75. |
| [5] | Wei Y;Ryu C W;Chen G et al.X-ray diffraction and raman scattering studies of electrochemically cycled CuV_2O_6[J].Electrochemical and Solid-State Letters,2006,9:A487. |
| [6] | Eguchi M.;Miura T.;Kishi T.;Iwamoto T. .LITHIATION CHARACTERISTICS OF ALPHA-CUV2O6 AND OTHER NCUO-CENTER-DOT-V2O5 OXIDES[J].Solid state ionics,1996(1/2):109-116. |
| [7] | Melghit K;Wen L S .The effect of starting materials on the morphology and particle size of copper pyrovanadate Cu_3V_2O_7(OH)_2·2H_2O[J].Ceramics International,2005,31:223. |
| [8] | Hiroi Z;Hanawa M;Kobayashi N et al.Spin-1/2 kagomelike lattice in volborthite Cu_3V_2O_7(OH)_2@2H_2O[J].Journal of the Physical Society of Japan,2001,70(11):3377. |
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