| 학회 |
한국공업화학회 |
| 학술대회 |
2021년 가을 (11/03 ~ 11/05, 대구 엑스코(EXCO)) |
| 권호 |
25권 2호 |
| 발표분야 |
포스터-환경·에너지 |
| 제목 |
Preparation of fluorinated activated carbons and their asymmetric capacitive deionization characteristics |
| 초록 |
Fluorination is an effective treatment method for introduction of fluorine atoms on carbon materials and increase in polarity due to their high electro-negativity. In this study, fluorinated activated carbons (ACs) were prepared for an application in an asymmetric capacitive deionization (CDI). Pore properties and surface chemical properties of fluorinated ACs were analyzed by N2 adsorption/desorption isotherm and X-ray photoelectron spectroscopy (XPS), respectively. Electrochemical properties were also investigated by cyclic voltammetry (CV). The asymmetric CDI cells were fabricated with two different electrodes: an untreated AC electrode (ACR) as a counter electrode and a fluorinated AC electrode (ACF) as a cathode (RF-) or anode (RF+). The specific electro-sorption capacity of ACF was improved 54.2% compared to that of ACR. It is determined that ACF has a cation attractive property originated from high electro-negative fluorine functional groups on the ACF surface. |
| 저자 |
고윤영, 하성민, 김대섭, 이영석
|
| 소속 |
충남대 |
| 키워드 |
Fluorination; Activated carbons; Asymmetric capacitive deionization
|
| E-Mail |
|
