| 학회 |
한국화학공학회 |
| 학술대회 |
2015년 가을 (10/21 ~ 10/23, 일산 KINTEX) |
| 권호 |
21권 2호, p.2248 |
| 발표분야 |
촉매 및 반응공학 |
| 제목 |
Tracking the Nanostructure Change of Ordered Mesoporous Materials for Li Storage by in Operando Small Angle X-ray Scattering |
| 초록 |
To monitor dynamic volume changes of electrode materials during electrochemical lithium storage and removal process is of utmost importance for developing high performance lithium storage materials. We herein report an in operando probing of mesoscopic structural changes in ordered mesoporous electrode materials during cycling with synchrotron-based small angle X-ray scattering (SAXS) technique. In operando SAXS studies combined with electrochemical and other physical characterizations straightforwardly show how porous electrode materials underwent volume changes during the whole process of charge and discharge, with respect to their own reaction mechanism with lithium. This comprehensive information on the pore dynamics as well as volume changes of the electrode materials will not only be critical in further understanding of lithium ion storage reaction mechanism of materials, but also enable the innovative design of high performance nanostructured materials for next generation batteries. |
| 저자 |
김지만, 이현아, 김경호, 박수빈, 윤정배, 박귀옥
|
| 소속 |
성균관대 |
| 키워드 |
ordered mesoporous materials; nanostructure change; lithium storage; in operando analysis; small angle X-ray scattering
|
| E-Mail |
|
| 원문파일 |
초록 보기 |
