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선택한 단어 수는 30입니다.
최대 10 단어까지만 선택 가능합니다.
최대 10 단어까지만 선택 가능합니다.
제안 방법
- 0 VSHE,17 the galvanic displacement reaction is likely to occur due to a difference in the redox potentials between MnO2 and EDOT monomer. In order to investigate the galvanic displacement reaction between MnO2 and EDOT, the open-circuit potential (OCP) of the MnO2 electrode was measured in an acidic solution containing EDOT monomers. Figure 2(a) shows the change in the OCP of the MnO2 electrode in the solution as a function of time.
- In this study, we report on the preparation of composite electrodes composed of PEDOT coated MnO2 particles using a galvanic displacement reaction between MnO2 and 3,4-ethylenedioxythiophene (EDOT) monomers in an acidic aqueous solution and the analysis of their electrochemical properties for electrochemical capacitor applications considering the roles of a conductive carbon and PDEOT layer coated on MnO2 in the composite electrodes.
- Since the PEDOT/MnO2 electrode with the coating time of 30 sec showed the highest specific capacitance, rate capability of the composite electrode was investigated for the following three electrodes: PEDOT/MnO2 and CPEDOT/MnO2 electrodes with a coating time of 30 sec, and the C-MnO2 electrode. Figure 4(a-e) show the CVs of the PEDOT/MnO2, C-MnO2 and PEDOT/C-MnO2 electrodes measured at increasing potential scan rate from 2 mVs−1 to100 mVs−1 .
대상 데이터
- and 10 wt % polyvinylidene fluoride (PVDF) dissolved in N-methylpyrrolidone as a binder. MnO2 electrode with conductive carbon (denoted as a C-MnO2 electrode) was prepared by mixing 70 wt % MnO2, 20 wt % acetylene black and 10 wt % PVDF. The slurry mixture was coated on a Ni foam substrate and then dried at 100 ℃ for overnight.
- The OCP measurements were made in a two-electrode cell at room temperature. The working and reference electrodes were the MnO2 electrode and the saturated calomel electrode (SCE), respectively. X-ray diffraction (XRD) measurements were carried out with a Regaku Rint-2000 instrument using Cu-Kα radiation (λ =1.
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