Fluorinated activated carbon (F-AC) exhibits significantly improved electrochemical capacitive performance compared to raw activated carbon (R-AC). F-AC electrode shows a specific capacitance coming up to 19.8Fcm-3, whereas the capacitance of R-AC electrode is 18.4Fcm-3. Besides, the kinetic enhancement of F-AC is also memorable. This phenomenon indicates that F-AC tends to form electric double-layer ions on its surface more rapidly than does R-AC. This formation is a result of the increased electrical conductivity attributed to the semi-ionic bonding character between fluorine and activated carbon. The electrochemical improvement of F-AC proves that fluorination is a very effective method for providing greater possibilities for supercapacitor applications of AC in nonaqueous electrolytes.
|Number of pages||5|
|Journal||Colloids and Surfaces A: Physicochemical and Engineering Aspects|
|Publication status||Published - 2014 Feb 20|
Bibliographical noteFunding Information:
This work was supported by Advanced Technology Center program of the Korea Evaluation Institute of Industrial Technology (KEIT) grant funded by the Korea government Ministry of Trade, Industry & Energy (No.10035919), this work was supported by the National Research Foundation of Korea funded by the Ministry of Education, Science, and Technology (NRF-2010-C1AAA001-0029018). And this work was supported by Energy Efficiency & Resources program of the Korea Institute of Energy Technology Evaluation Planning (KETEP) granted financial resource from the Korea government Ministry of Trade, Industry & Energy (No.20122010100090).
All Science Journal Classification (ASJC) codes
- Surfaces and Interfaces
- Physical and Theoretical Chemistry
- Colloid and Surface Chemistry