Size-dependent surface phase change of lithium iron phosphate during carbon coating
作者： Jiajun Wang , Jinli Yang , Yongji Tang , Jian Liu , Yong Zhang
DOI: 10.1038/NCOMMS4415
关键词:
摘要: Carbon coating of electrodes is a common way to enhance electrochemical activity, but the interface mechanism unclear. Here, Wang et al. adopt molten technique produce sample with large flat surface, which enables visualization electrode size-dependent change during coating.
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D. D. MacNeil, L. Devigne, C. Michot, I. Rodrigues, G. Liang, M. Gauthier, Melt Casting LiFePO4 II. Particle Size Reduction and Electrochemical Evaluation Journal of The Electrochemical Society. ,vol. 157, ,(2010) , 10.1149/1.3284506
R BAKER, Formation of filamentous carbon from iron, cobalt and chromium catalyzed decomposition of acetylene Journal of Catalysis. ,vol. 30, pp. 86- 95 ,(1973) , 10.1016/0021-9517(73)90055-9
John S. Vogel, John R. Southon, D.Erle Nelson, Catalyst and binder effects in the use of filamentous graphite for AMS Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms. ,vol. 29, pp. 50- 56 ,(1987) , 10.1016/0168-583X(87)90202-3
N. Ravet, Y. Chouinard, J.F. Magnan, S. Besner, M. Gauthier, M. Armand, Electroactivity of natural and synthetic triphylite Journal of Power Sources. ,vol. 97, pp. 503- 507 ,(2001) , 10.1016/S0378-7753(01)00727-3
Jun Wang, Yu-chen Karen Chen, Qingxi Yuan, Andrei Tkachuk, Can Erdonmez, Benjamin Hornberger, Michael Feser, Automated markerless full field hard x-ray microscopic tomography at sub-50 nm 3-dimension spatial resolution Applied Physics Letters. ,vol. 100, pp. 143107- ,(2012) , 10.1063/1.3701579
Zhaohui Chen, J. R. Dahn, Reducing Carbon in LiFePO4 / C Composite Electrodes to Maximize Specific Energy, Volumetric Energy, and Tap Density Journal of The Electrochemical Society. ,vol. 149, pp. 1184- 1189 ,(2002) , 10.1149/1.1498255
Marie Herstedt, Mårten Stjerndahl, Anton Nytén, Torbjörn Gustafsson, Håkan Rensmo, Hans Siegbahn, Nathalie Ravet, Michel Armand, John O. Thomas, Kristina Edström, Surface chemistry of carbon-treated LiFePO4 particles for Li-ion battery cathodes studied by PES Electrochemical and Solid State Letters. ,vol. 6, ,(2003) , 10.1149/1.1594413
A.Ait Salah, A. Mauger, C.M. Julien, F. Gendron, Nano-sized impurity phases in relation to the mode of preparation of LiFePO4 Materials Science and Engineering B-advanced Functional Solid-state Materials. ,vol. 129, pp. 232- 244 ,(2006) , 10.1016/J.MSEB.2006.01.022
Young-Ho Rho, Linda F. Nazar, Laura Perry, Dominic Ryan, Surface Chemistry of LiFePO4 Studied by Mössbauer and X-Ray Photoelectron Spectroscopy and Its Effect on Electrochemical Properties Journal of The Electrochemical Society. ,vol. 154, ,(2007) , 10.1149/1.2433539
K Striebel, A Guerfi, J Shim, M Armand, M Gauthier, K Zaghib, LiFePO4/gel/natural graphite cells for the BATT program Journal of Power Sources. ,vol. 119, pp. 951- 954 ,(2003) , 10.1016/S0378-7753(03)00295-7