| 학회 | 한국화학공학회 |
| 학술대회 | 2017년 봄 (04/26 ~ 04/28, ICC 제주) |
| 권호 | 23권 1호, p.902 |
| 발표분야 | 재료 |
| 제목 | Synthesis of silicon/graphene composites using supercritical carbon dioxide fluid for Li ion battery anode |
| 초록 | Here we demonstrate a novel strategy for the preparation of silicon nanoparticle/graphene nanoplatelet (Si/graphene) composite by using supercritical carbon dioxide fluid (scCO 2 ). The surface of silicon was modified with a thin layer of polyaniline, which assisted the dispersion of graphene by introducing π-π interaction. Morphology and chemical composition of the composite were investigated to confirm the effect of scCO 2 process on the composite, and it was found that the scCO 2 provided well-dispersed Si/graphene composite in a short time under mild condition. The prepared composite showed outstanding performance as Li ion battery anode materials: high cycle stability (1,789 mAh/g after 250 cycles) and rate capability (1,690 mAh/g at a current density of 4 A/g). |
| 저자 | 이상하 , 이정훈 , 윤선규 , 조미숙 , 이영관 |
| 소속 | 성균관대 |
| 키워드 | 화공소재 전반 |
| VOD | VOD 보기 |
| 원문파일 | 초록 보기 |
