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Facile synthesized nanorod structured vanadium pentoxide for high-rate lithium batteries

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WOS被引频次:230
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成果类型:
期刊论文
作者:
Pan, Anqiang;Zhang, Ji-Guang*;Nie, Zimin;Cao, Guozhong;Arey, Bruce W.;Li, Guosheng;Liang, Shu-Quan(梁叔全);Liu, Jun
通讯作者:
Zhang, Ji-Guang
作者机构:
[Liang, Shu-Quan; Pan, Anqiang] Cent S Univ, Dept Mat Sci & Engn, Changsha 410083, Peoples R China.
[Pan, Anqiang; Arey, Bruce W.; Zhang, Ji-Guang; Li, Guosheng; Liu, Jun; Nie, Zimin] Pacific NW Natl Lab, Richland, WA 99352 USA.
[Cao, Guozhong] Univ Washington, Dept Mat Sci & Engn, Seattle, WA 98195 USA.
通讯机构:
[Zhang, Ji-Guang] Pacific NW Natl Lab, Richland, WA 99352 USA.
语种:
英文
期刊:
Journal of Materials Chemistry
ISSN:
0959-9428
年:
2010
卷:
20
期:
41
页码:
9193-9199
文献类别:
WOS:Article;EI:Journal article (JA)
所属学科:
ESI学科类别:材料科学;WOS学科类别:Chemistry, Physical;Materials Science, Multidisciplinary
入藏号:
WOS:000282871600031;EI:20104213304118
基金类别:
National Nature Science Foundation of China [50774097]; Creative Research Group of the National Natural Science Foundation of China [50721003]; Pacific Northwest National Laboratory (PNNL); DOE, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering [KC020105-FWP12152]; DOE [DE-AC05-76RL01830]
机构署名:
本校为第一机构
院系归属:
材料科学与工程学院
摘要:
Nano-structured vanadium oxide (V<inf>2</inf>O<inf>5</inf>) is fabricated via a facile thermal-decomposition of vanadium precursor, vanadyl oxalate, which is produced by reacting micro-sized V<inf>2</inf>O<inf>5</inf> with oxalic acid. The V<inf>2</inf>O<inf>5</inf> nanoparticles produced by this method exhibit much better electrochemical performance than commercial micro-sized V<inf>2</inf>O<inf>5</inf>. The optimized-nanorod electrodes give the best specific discharge capacities of 270 mAh g<sup>-1</sup> at C/2 (147 mA g <sup>-1</sup>) coupled with good cycle stability with only 0.32% fading per cycle. Even at a high rate of 4C (1176 mA g<sup>-1</sup>), the nanorod electrode still delivers 198 mAh g<sup>-1</sup>. These results suggest that the well-separated V<inf>2</inf>O<inf>5</inf> nanorod is a good cathode material for high-rate lithium battery applications. &copy;2010 The Royal Society of Chemistry.
参考文献:
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Braithwaite JS, 1999, CHEM MATER, V11, P1990, DOI 10.1021/cm980735r
Brezesinski T, 2010, NAT MATER, V9, P146, DOI [10.1038/nmat2612, 10.1038/NMAT2612]
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Cao AM, 2005, ANGEW CHEM INT EDIT, V44, P4391, DOI 10.1002/anie.200500946

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