Journal
JOURNAL OF MATERIALS CHEMISTRY
Volume 21, Issue 27, Pages 10077-10084Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1jm10976f
Keywords
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Funding
- National Nature Science Foundation of China [50774097]
- Creative Research Group of the National Natural Science Foundation of China [50721003]
- Pacific Northwest National Laboratory (PNNL)
- Office of Vehicle Technology of the U.S. Department of Energy (DOE)
- Chinese Council Scholarship
- DOE Office of Biological and Environmental Research
- DOE Office of Basic Energy Sciences, Division of Materials Sciences and Engineering [KC020105-FWP12152]
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Highly stable LiV3O8 with a nanosheet-structure was successfully prepared using polyethylene glycol (PEG) polymer in the precursor solution as the structure modifying agent, followed by calcination in air at 400 degrees C, 450 degrees C, 500 degrees C, and 550 degrees C. These materials provide the best electrochemical performance ever reported for LiV3O8 crystalline electrodes, with a specific discharge capacity of 260 mAh g(-1) and no capacity fading over 100 cycles at 100 mA g(-1). The excellent cyclic stability and high specific discharge capacity of the material are attributed to the novel nanosheets structure formed in LiV3O8. These LiV3O8 nanosheets are good candidates for cathode materials for high-energy lithium battery applications.
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