NDLI: Synthesis of LiFePO$_{4}$/C composite as a cathode material for lithium-ion battery by a novel two-step method

Content Provider	Springer Nature Link
Author	Zhang, Le Xiang, Hongfa Zhu, Xuefeng Yang, Weishen Wang, Haihui
Copyright Year	2011
Abstract	In this study, LiFePO$_{4}$/C is synthesized via a novel two-step method. The first step is the synthesis of nano-sized intermediate FePO$_{4}$ by a modified sol–gel method. A fast and full combustion procedure is involved to remove carbon and control the size of the intermediate particles. The second step is to prepare LiFePO$_{4}$/C by combining solid-state reaction with controllable carbon coating. This two-step method is facile to prepare nano-sized LiFePO$_{4}$ and easy to optimize the carbon content for surface coating. X-ray diffraction shows that the LiFePO$_{4}$/C composite possesses good crystallinity. Spherical morphology with a diameter of 30–150 nm is observed by scanning electron microscope and transmission electron microscope. Electrochemical measurements indicate that the LiFePO$_{4}$/C composite exhibits discharge capacities of 162, 144, 126, and 106 mAh g$^{−1}$ at 0.1, 1, 2, and 5C, respectively. No capacity fading is observed in 50 cycles.
Starting Page	3076
Ending Page	3081
Page Count	6
File Format	PDF
ISSN	00222461
Journal	Journal of Materials Science
Volume Number	47
Issue Number	7
e-ISSN	15734803
Language	English
Publisher	Springer US
Publisher Date	2011-11-29
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Polymer Sciences Materials Science Continuum Mechanics and Mechanics of Materials Characterization and Evaluation of Materials Mechanics Crystallography
Content Type	Text
Resource Type	Article
Subject	Ceramics and Composites Mechanics of Materials Mechanical Engineering Polymers and Plastics

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