Title :
Novel Preparation Method of Carbon Nano Fibers/DAAQ Electrode for Supercapacitor System
Author :
Park, SooGil ; Kim, TaeJeong ; Kim, HanJoo ; Shin, KyungHee ; Jin, ChangSoo
Author_Institution :
Dept. of Ind. Chem. Eng., Chung-Buk Nat. Univ., Cheongju
Abstract :
A new type of supercapacitor was constructed by using carbon nanofibers (CNFs) and DAAQ (1,5-diaminoanthraquinone) oligomer. DAAQ was deposited on the carbon nanofibers by chemical polymerization with ammonium peroxodisulfate ((NH4)2S2O8) as oxidant in the 0.1 M H2SO4. Polymerization reaction was carried out with constant sonication. From the analysis, it is clear that surface of carbon nanofibers was quite uniformly coated with DAAQ. The performance characteristics of the supercapacitors have been evaluated using cyclic voltammetry. CNFs/DAAQ based composite electrode showed relatively good electrochemical behaviors in acidic electrolyte system. CNFs/DAAQ composite electrode showed relatively good capacitance (7 Ah/kg) compared to conventional capacitors in the range of -0.4~0.4 V
Keywords :
carbon fibres; electrodes; nanocomposites; organic compounds; polymerisation; supercapacitors; voltammetry (chemical analysis); 1,5-diaminoanthraquinone oligomer; CNF-DAAQ based composite electrode; acidic electrolyte system; ammonium peroxodisulfate; capacitance; carbon nanofibers; chemical polymerization; cyclic voltammetry; electrochemical behaviors; polymerization reaction; supercapacitor; Aerospace materials; Carbon nanotubes; Chemicals; Electrodes; Material storage; Nanostructured materials; Organic materials; Polymers; Supercapacitors; Surface morphology;
Conference_Titel :
Properties and applications of Dielectric Materials, 2006. 8th International Conference on
Conference_Location :
Bali
Print_ISBN :
1-4244-0189-5
Electronic_ISBN :
1-4244-0190-9
DOI :
10.1109/ICPADM.2006.284128
