| 학회 |
한국공업화학회 |
| 학술대회 |
2017년 가을 (11/08 ~ 11/10, 부산 벡스코(BEXCO)) |
| 권호 |
21권 2호 |
| 발표분야 |
정밀화학_포스터 |
| 제목 |
Pyrrolinium based ionic liquids for electrolytes in lithium ion batteries |
| 초록 |
Ionic liquids (ILs) have driven research interest in a variety of applications including electrolytes for lithium ion batteries (LIBs) due to their high decomposition temperature and non-volatile nature. Current LIBs using flammable electrolytes are experiencing difficulties with ignition or explosion of the device. Thus, we synthesized fire tolerable but also highly ion conductive ILs based on pyrrolinium cation for applying in LIBs as electrolytes. The characteristics of the ILs were analyzed via NMR, impedance spectroscopy, thermogravimetric analysis (TGA), and linear sweep voltammetry (LSV). Finally, we applied the ILs into half coin cells as electrolytes. In this work, we chose the lithium iron phosphate (LiFePO4, LFP) with olivine structure as a cathode candidate because of their cost efficiency and broad electrochemical stability. The cells with synthesized ILs showed good enough cycle life even over 50 charge-discharge cycles. |
| 저자 |
양해민1, 권현영1, 김형태1, 임태은2, 오승모1, 김영규1
|
| 소속 |
1서울대, 2인천대 |
| 키워드 |
ionic liquids; pyrrolinium-cation; electrolytes; lithium ion batteries; LFP
|
| E-Mail |
|
