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TiO2@carbon Core-Shell Nanostructure Electrodes for Improved Electrochemical Properties in Alkaline Solution
- Do-Young Kim;
- 이영우;
- Sang-Beom Han;
- A-Ra Ko;
- Hyun-Su Kim;
- ... 오상은;
- 외 2명
초록
We report nanostructure electrodes with TiO2 as a core and carbon as a shell (TiO2@C) for oxygen reduction in alkaline solution. The structure of core-shell electrodes is characterized by transmission electron microscopy, Raman spectroscopy, X-ray diffraction method, and X-ray photoelectron microscopy. The electrochemical properties of the TiO2@C electrodes are characterized using a potentiostat and compared with those of carbon supported Pt catalyst. In particular, the core-shell electrode with dominant pyridinic-N component exhibits an imporved electrocatalytic activity for oxygen reduction reaction in alkaline solution.
키워드
Nanostructure materials; Core/shell; N-doping; Oxygen reduction reaction
- 제목
- TiO2@carbon Core-Shell Nanostructure Electrodes for Improved Electrochemical Properties in Alkaline Solution
- 저자
- Do-Young Kim; 이영우; Sang-Beom Han; A-Ra Ko; Hyun-Su Kim; Si-Jin Kim; 오상은; 박경원
- 발행일
- 2012-05
- 유형
- Y
- 저널명
- 전기화학회지
- 권
- 15
- 호
- 2
- 페이지
- 90 ~ 94