| 학회 |
한국화학공학회 |
| 학술대회 |
2013년 가을 (10/23 ~ 10/25, 대구 EXCO) |
| 권호 |
19권 2호, p.1644 |
| 발표분야 |
에너지 |
| 제목 |
Hierarchically mesoporous anatase titanium oxide (TiO2) microspheres are synthesized using a green supercritical methanol |
| 초록 |
Hierarchically mesoporous anatase titanium oxide (TiO2) microspheres are synthesized using a green supercritical methanol route at a very short reaction time of 15 min without using templates or surfactants. Primary nano-sized particles with diameters of 20-55 nm with organic coverage on the surface are loosely aggregated and form secondary micron-sized particles with diameters of 1.0-2.5 m, endowing the a mesoporous structure with pore diameters of 2-50 nm. When the as-synthesized microspheres were calcined under a Ar/5% H2 condition, carbonization of the organic groups form ultrathin and uniform carbon layer on the nano-sized primary particles with thickness of 0.5-1 nm and reduces some of surface Ti+4 into Ti+3. Both the hierarchically mesoporous structure and the conductive layer coating have positive effects to increase Li ion storage capacity. |
| 저자 |
윤도현1, Agung Nugroho2, 이문영1, 김재훈1
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| 소속 |
1성균관대, 2한국과학기술(연) |
| 키워드 |
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| E-Mail |
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| 원문파일 |
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