Electrochemical Energy Conversion: Past, Present, and Future
- Title
- Electrochemical Energy Conversion: Past, Present, and Future
- Author
- 선양국
- Keywords
- hydrothermal method; anode; TiO2; Na battery; carbon coating
- Issue Date
- 2014-07
- Publisher
- WILEY-V C H VERLAG GMBH
- Citation
- CHEMPHYSCHEM, 2014, 15(10), P.1903-1904
- Abstract
- High-power, long-life carbon-coated TiO 2 microsphere electrodes were synthesized by a hydrothermal method for sodium ion batteries, and the electrochemical properties were evaluated as a function of carbon content. The carbon coating, introduced by sucrose addition, had an effect of suppressing the growth of the TiO 2 primary crystallites during calcination. The carbon coated TiO 2 (sucrose 20 wt % coated) electrode exhibited excellent cycle retention during 50 cycles (100%) and superior rate capability up to a 30 C rate at room temperature. This cell delivered a high discharge capacity of 155 mAh g composite ?1 at 0.1 C , 149 mAh g composite ?1 at 1 C , and 82.7 mAh g composite ?1 at a 10 C rate, respectively. Graphic Abstract ACS Electronic Supporting Info
- URI
- https://onlinelibrary.wiley.com/doi/abs/10.1002/cphc.201400099
- ISSN
- 1439-4235
- DOI
- 10.1002/cphc.201400099
- Appears in Collections:
- COLLEGE OF ENGINEERING[S](공과대학) > ENERGY ENGINEERING(에너지공학과) > Articles
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