| 학회 | 한국화학공학회 |
| 학술대회 | 2012년 가을 (10/24 ~ 10/26, 부산 BEXCO) |
| 권호 | 18권 2호, p.2473 |
| 발표분야 | 촉매 및 반응공학 |
| 제목 | Ultra-thin Carbon-coated Mesoporous SnO2 Anode Material for Li-ion batteries |
| 초록 | Highly ordered mesoporous SnO2 materials with bicontinuous Ia3d meso-porous structure are uniformly coated with carbon species through a dehydration reaction between 2,3-dihydroxyl-naphtalene and surface hydroxyl group in meso-porous SnO2. The reversible capacity of carbon coated highly ordered mesoporous SnO2 was 672.4mAh/g (the optimum amount of carbon species in carbon coated mesoporous SnO2 is 12 wt%), which is a near theoretical capacity with superior cycle stability (103.9% cycle retention after 100 cycle). Such behavior is derived from the ultra-thin carbon layer covering on mesoporous SnO2 surface which acts as buffer layer to accommodate volume change of SnO2 and physical barrier to prevent aggregation of Sn formed during the Li alloying and dealloying. |
| 저자 | 박귀옥1, 김지만1, 손정국2, 김한수3, 최재만2 |
| 소속 | 1성균관대, 2삼성종합기술원, 3한양대 |
| 키워드 | Li-ion batteries; mesoporous; tin oxide; carbon coating |
| 원문파일 | 초록 보기 |
