Macromolecular Research

The Polymer Society of Korea (한국고분자학회)
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The Possibility of 1,3,4-Oxadiazole Containing Polymer as a New Polymer Electrode in Redox Supercapacitor

  • Ryu, Kwang-Sun (Battery Technology Team, Electronics & Telecommunications Research Institute(ETRI)) ;
  • Chang, Soon-Ho (Battery Technology Team, Electronics & Telecommunications Research Institute(ETRI)) ;
  • Kwon, Soon-Ki (Department of Polymer Science & Engineering and Research Institute of Industrial Technology) ;
  • Kim, Yun-Hi (Department of Polymer Science & Engineering and Research Institute of Industrial Technology) ;
  • Hwang, Do-Hoon (Department of Applied Chemistry, Kumoh National University of Technology)
  • Published : 2002.02.01
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Abstract

Poly(1', 4'-phenylene-1", 4"-(2"-(2""-ethyl-hexyloxy)) phenylene-1",4"-phenylene-2,5-oxadiazolyl) (PPEPPO) was synthesized and its electrochemical characteristics was investigated as electrode material in redox supercapacitor. The cyclic voltammetry (CV) shows there was scarcely a redox reaction and further suggests n-doping is difficult to occur in this system. However, the discharge curve between 3.0 to 0.01 V is continuously decreased like a straight line, similar to the discharge pattern of EDLC. The initial specific discharge capacitance is ~6.4 F/g, while the specific capacitance of 1000th cycle is ~0.1 F/g. The PPEPPO can be used as the electrode of supercapacitor, emissive material, as well as charge-transporting material in polymer LED.ansporting material in polymer LED.

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