| MnS / 카본나노튜브 복합체의 합성과 리튬 전기화학적 거동 |
| 이광희, 민경미, 김동완 |
| 아주대학교 에너지시스템학과 |
| Synthesis and Li Electroactivity of MnS/Carbon Nanotube Composites |
| Gwang-Hee Lee, Kyung-Mi Min, Dong-Wan Kim |
| Department of Energy Systems Research, Ajou University |
|
|
|
|
|
| ABSTRACT |
|
A simple synthetic process is demonstrated for the preparation of MnS/carbon nanotube (CNT) composites for Li ion battery electrodes. CNTs were initially treated using a strong acid solution to generate carboxylate ions ($-COO^-$) on their surfaces. The MnS/CNT composites were synthesized by a polyvinyl-pyrrolidone-assisted hydrothermal method in the presence of as-functionalized CNTs. The phase and morphology of the MnS/CNT composites and pure MnS microspheres were characterized using X-ray diffraction and high-resolution transmission electron microscopy. Furthermore, the Li electroactivity levels of the MnS/CNT composites and MnS microspheres were investigated using cyclic voltammetry and galvanostatic cycling. The MnS/CNT composite electrodes showed higher specific capacities exceeding 365 $mA;h;g^{-1}$ at a C/10 current rate and enhanced cyclic performance compared to pure MnS microspheres. |
| Key words:
MnS microspheres, Functionalized CNT, Hydrothermal process, Li ion battery |
|
|
|
PDF Links
Full text via DOI
Download Citation 
