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- Title
Biosynthesis and electrochemical characteristics of LiFePO<sub>4</sub>/C by microwave processing.
- Authors
Weijia Zhou; Zhengmao Li; Hongshi Zhao; Shunpu Yan
- Abstract
Abstract The yeast cells are adopted as a template and cementation agent to prepare LiFePO4/C with high surface area by co-precipitation and microwave processing. The electrochemical properties of the resultant products are investigated. The synthesized LiFePO4/C is characterized by means of X-ray diffraction, transmission electron microscopy (TEM), Brunauer–Emmett–Teller method, and battery test instrument. The LiFePO4/C particles with average size of 35-100 nm coated by porous carbon are observed by TEM. The LiFePO4/C, with the specific surface area of 98.3 m2/g, exhibits initial discharge specific capacity of 147 mAh/g and good cycle ability. The yeast cells as a template are used to synthesize the precursor LiFePO4/cells compounds. In microwave heating process, the use of yeast cells as reducing matter and cementation agent results in the enhancement of the electrochemical properties.
- Subjects
LITHIUM compounds; BIOSYNTHESIS; YEAST physiology; PHOSPHATES; POROUS materials; X-ray diffraction; ELECTROCHEMICAL analysis; MICROWAVE heating
- Publication
Journal of Solid State Electrochemistry, 2009, Vol 13, Issue 12, p1819
- ISSN
1432-8488
- Publication type
Article
- DOI
10.1007/s10008-008-0762-5