期刊
JOURNAL OF POWER SOURCES
卷 249, 期 -, 页码 431-434出版社
ELSEVIER
DOI: 10.1016/j.jpowsour.2013.10.109
关键词
LiFePO4; Carbon aerogel; Nanowire; Cathode; High rate
资金
- Shanghai Leading Academic Discipline Project [B502]
- Shanghai Key Laboratory Project [08DZ2230500]
- Shanghai Nanotechnology Special Foundation [11nm0500900]
A novel network LiFePO4/C composite was prepared by mixing precursor solution with carbon aerogel (CA) via a simple solution impregnation method, characterized by XRD, SEM, EDS and electrochemical analysis. The results revealed that the LiFePO4 nanowire forming on the ektexine of CA intertwined with LiFePO4/CA particles and formed a special web structure. The initial discharge capacity was improved to be 139.3 mAh g(-1), at 10 C and the capacity retention is near 100% after 50 cycles. The web structure could improve electron transport and electrochemical activity effectively. (C) 2013 Elsevier B.V. All rights reserved.
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