将石墨(GP)和多壁碳纳米管(MWNT)按不同比例压片制成电极,用于全钒氧化还原液流电池电极材料,通过循环伏安、交流阻抗、充放电测试、SEM手段对MWNT-GP复合电极进行表征和分析.研究结果表明.MWNT含量为15wt%的MWNT-GP复合电极性能最佳,对组装成的静态电池在电流密度20-80 mA/cm2进行充放电性能比较,电流效率均在93%以上,电压效率随着电流密度的增加而有所下降.
参考文献
[1] | Sum E,Rychcik M.A study of the V(Ⅱ)/V(Ⅲ) redox couple for redox flow cell applications.Journal of Power Sources,1985,15(2/3):179-190. |
[2] | Sum E,Rychcik M.Investigation of the V(Ⅴ)/V(Ⅳ) system for use in the positive half-cell of a redox battery.Journal of Power Sources,1985,16(2):85-95. |
[3] | Fabjan Ch,Garche J,Harrer B,et al.The vanadium redox-battery:an efficient storage unit for photovoltaic systems.Electrochimica Acta,2001,47(5):825-831. |
[4] | Joerissen L,Garche J,Fabjan Ch,et al.Possible use of vanadium redox-flow batteries for energy storage in small grids and standalone photovoltaic systems.Journal of Power Sources,2004,127(1/2):98-104. |
[5] | 张远明,黄启明,李伟善,等(ZHANG Yuan-Ming,et al).全钒液流电池用石墨-乙炔黑复合电极的研究.无机材料学报(Journal of Inorganic Materials),2007,22(6):1051-1055. |
[6] | Zhu H Q,Zhang Y M,Yue L,et al.Graphite-carbon nanotube composite electrodes for all vanadium redox flow battery.Journal of Power Sources,2008,184(2):637-640. |
[7] | 刘素琴,史小虎,黄可龙,等(LIU Su-Qin,et al).钒液流电池用碳纸电极改性的研究.无机材料学报(Journal of Inorganic Materials),2009,24(4):798-802. |
[8] | Huang K L,Li X G,Li S Q,et al.Research progress of vanadium redox flow battery for energy storage in China.Renewable energy,2008,33(2):186-192. |
[9] | Song Q S,Aravindaraj G K,Sultana H,et al.Performance improvement of pasted nickel electrodes with multi-wall carbon nanotubes for rechargeable nickel batteries.Electrochimica Acta,2007,53(4):1890-1896. |
[10] | Abdollah S,Hussein M,Sajjad M.Electroless deposition of vanadium-Schiff base complex onto carbon nanotubes modified glassy carbon electrode:application to the low potential detection of iodate,periodate,bromate and nitrite.Electrochemistry Communications,2006,8(5):688-696. |
[11] | Takahide O,Toshio O.Production of electrically conductive paper by adding carbon nanotubes.Carbon,2008,46(1):169-171. |
[12] | Andrew L D.The role of carbon in fuel cells.Journal of Power Sources,2006,156(2):128-141. |
[13] | Elzbieta F,Francois B.Electrochemical storage of energy in carbon nanotubes and nanostructured carbons.Carbon,2002,40(10):1775-1787. |
[14] | Lee J H,Kim G S,Choi Y M,et al.Comparison of multiwalled carbon nanotubes and carbon black as percolative paths in aqueousbased natural graphite negative electrodes with high-rate capability for lithium-ion batteries.Journal of Power Sources,2008,184(1):308-311. |
[15] | Wang W,Wang X D.Investigation of Ir-modified carbon felt as the positive electrode of an all-vanadium redox flow battery.Electmchimica Acta,2007,52(24):6755-6762. |
[16] | 周德凤,赵艳玲,马越,等(ZHOU De-Feng,et al).纳米碳与石墨碳复合材料的电化学性能.高等学校化学学报(Chem.J.Chinese U.),2004,25(6):1 120-1 123. |
[17] | 李志杰,粱奇,陈栋梁,等.碳纳米管和石墨在电化学嵌锂过程中的协同效应.应用化学,2001,18(4):269-271. |
[18] | 谭宁,黄可龙,刘素琴,等(TAN Ning,et al).钒液流电池用石墨毡电极电化学活化机理的交流阻抗研究.化学学报(Acta Chim Sinica),2006,64(6):584-588. |
[19] | 曹楚南,张鉴清.电化学阻抗谱导论.北京:科学出版社,2002:84-95. |
[20] | Wang W H,Wang X D.Study of the electrochemical properties of a transition metallic ions modified electrode in acidic VOSO4 solution.Rare Metals,2007,26(2):131-135. |
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%