@article{ART002220451},
author={최푸름 and 김상길 and Ji Chul Jung and Myung-Soo Kim},
title={High-energy-density activated carbon electrode for organic electric-double-layer-capacitor using carbonized petroleum pitch},
journal={Carbon Letters},
issn={1976-4251},
year={2017},
volume={22},
pages={70-80}
TY - JOUR
AU - 최푸름
AU - 김상길
AU - Ji Chul Jung
AU - Myung-Soo Kim
TI - High-energy-density activated carbon electrode for organic electric-double-layer-capacitor using carbonized petroleum pitch
JO - Carbon Letters
PY - 2017
VL - 22
IS - null
PB - Korean Carbon Society
SP - 70
EP - 80
SN - 1976-4251
AB - Activated carbons (ACs) have been used as electrode materials of electric double-layer capacitors(EDLC) due to their high specific surface areas (SSA), stability, and ecological advantages. In order to make high-energy-density ACs for EDLC, petroleum pitch (PP) precarbonized at 500–1000°C in N2 gas for 1 h was used as the electrode material of the EDLC after KOH activation. As the pre-carbonization temperature increased, the SSA, pore volume and gravimetric capacitance tended to decrease, but the crystallinity and electrode density tended to increase, showing a maximum volumetric capacitance at a medium carbonization temperature. Therefore, it was possible to control the crystalline structure, SSA, and pore structure of AC by changing the pre-carbonization temperature. Because the electrode density increased with increasing of the pre-carbonization temperature, the highest volumetric capacitance of 28.4 F/cc was obtained from the PP pre-carbonized at 700°C, exhibiting a value over 150% of that of a commercial AC (MSP-20) for EDLC. Electrochemical activation was observed from the electrodes of PP as they were pre-carbonized at high temperatures above 700°C and then activated by KOH. This process was found to have a significant effect on the specific capacitance and it was demonstrated that the higher charging voltage of EDLC was, the greater the electrochemical activation effect was.
KW - activated carbon;petroleum pitch;EDLC;electrochemical activation;volumetric capacitance
DO -
UR -
ER -
최푸름, 김상길, Ji Chul Jung and Myung-Soo Kim. (2017). High-energy-density activated carbon electrode for organic electric-double-layer-capacitor using carbonized petroleum pitch. Carbon Letters, 22, 70-80.
최푸름, 김상길, Ji Chul Jung and Myung-Soo Kim. 2017, "High-energy-density activated carbon electrode for organic electric-double-layer-capacitor using carbonized petroleum pitch", Carbon Letters, vol.22, pp.70-80.
최푸름, 김상길, Ji Chul Jung, Myung-Soo Kim "High-energy-density activated carbon electrode for organic electric-double-layer-capacitor using carbonized petroleum pitch" Carbon Letters 22 pp.70-80 (2017) : 70.
최푸름, 김상길, Ji Chul Jung, Myung-Soo Kim. High-energy-density activated carbon electrode for organic electric-double-layer-capacitor using carbonized petroleum pitch. 2017; 22 70-80.
최푸름, 김상길, Ji Chul Jung and Myung-Soo Kim. "High-energy-density activated carbon electrode for organic electric-double-layer-capacitor using carbonized petroleum pitch" Carbon Letters 22(2017) : 70-80.
최푸름; 김상길; Ji Chul Jung; Myung-Soo Kim. High-energy-density activated carbon electrode for organic electric-double-layer-capacitor using carbonized petroleum pitch. Carbon Letters, 22, 70-80.
최푸름; 김상길; Ji Chul Jung; Myung-Soo Kim. High-energy-density activated carbon electrode for organic electric-double-layer-capacitor using carbonized petroleum pitch. Carbon Letters. 2017; 22 70-80.
최푸름, 김상길, Ji Chul Jung, Myung-Soo Kim. High-energy-density activated carbon electrode for organic electric-double-layer-capacitor using carbonized petroleum pitch. 2017; 22 70-80.
최푸름, 김상길, Ji Chul Jung and Myung-Soo Kim. "High-energy-density activated carbon electrode for organic electric-double-layer-capacitor using carbonized petroleum pitch" Carbon Letters 22(2017) : 70-80.
