期刊
ENERGY & ENVIRONMENTAL SCIENCE
卷 3, 期 6, 页码 813-823出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/b922898e
关键词
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资金
- Australian Research Council (ARC)
- CSIRO
- Australian Institute of Nuclear Science and Engineering [AINGRA07027]
- University of Melbourne/CSIRO
- Albert Shimmins Writing-up Award
Porous colloidal particles of LiFePO4 have been prepared using water based synthesis methods in the presence of tri-block copolymer amphiphiles. A systematic investigation into the synthesis parameters revealed the importance of porosity, particle size, crystallinity and carbon content on the electrochemical properties. Mesopore formation and particle connectivity were critical for efficient electrolyte access for high power LiFePO4 electrode materials. Samples performed well at high rates with discharge capacities of 124 mA h g(-1) at 5 C and 113 mA h g(-1) at 10 C achieved. Discharge capacities of 164 mA h g(-1) were obtained at 0.1 C rates which are close to the theoretical capacity for LiFePO4 of 170 mA h g(-1).
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