LiFePO/C cathode materials
synthesized by co-precipitation and microwave heating
LiFePO/C cathode materials
synthesized by co-precipitation and microwave heating
XU Yunlong, TAO Lili, MA Hongyan, HUANG Huaqing
Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology
Abstract：LiFePO4/C cathode materials were synthesized by a combination of co-precipitation and microwave heating using polyethylene glycol (PEG) as a carbon resource and the influence of microwave heating time on the structure and electrochemical performance of the materials was also discussed. The samples were characterized by X-ray diffraction (XRD), TEM, particle-size analysis and constant current charge-discharge experiment. The results show that the LiFePO4/C heated for 9 min has a pure olive-type phase and excellent electrochemical performance. The initial discharge capacities of this sample are 154.3, 139.7, 123.9 mAh/g at the rates 0.1C, 0.2C, 1C at room temperature, respectively, and after 20 cycles remain 152.3, 134.3, 118.5 mAh/g, respectively.
出版日期: 2008-12-05
引用本文:
. LiFePO/C cathode materials
synthesized by co-precipitation and microwave heating [J]. Frontiers of Chemical Engineering in China, 2008, 2(4): 422-427.
XU Yunlong, TAO Lili, MA Hongyan, HUANG Huaqing. LiFePO/C cathode materials
synthesized by co-precipitation and microwave heating . Front. Chem. Sci. Eng., 2008, 2(4): 422-427.
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