Chem. J. Chinese Universities ›› 2019, Vol. 40 ›› Issue (3): 498.doi: 10.7503/cjcu20180590
• Physical Chemistry • Previous Articles Next Articles
LIU Ben, ZHANG Xingying, CHEN Shaoyun*(), HU Chenglong
Received:
2019-08-23
Online:
2019-01-24
Published:
2019-01-24
Contact:
CHEN Shaoyun
E-mail:cescsy@jhun.edu.cn
Supported by:
CLC Number:
TrendMD:
LIU Ben,ZHANG Xingying,CHEN Shaoyun,HU Chenglong. Preparation and Electrochemical Energy Storage Performance of One Dimensional Orderly Polyaniline Nanowires Array†[J]. Chem. J. Chinese Universities, 2019, 40(3): 498.
Fig.2 Optical picture of as-prepared PANI(A) and SEM images of the as-prepared PANI upon different concentration of ANI(B—F)cANI/(mol·L-1): (B) 0.02; (C) 0.05; (D) 0.10; (E) 0.20; (F) 0.30.
Fig.3 Cyclic voltammograms of the as-prepared PANI upon different concentrations of aniline by galvanostatic current method(0.03 mA/cm2)(A), cyclic voltammograms of PANI at different scan rates(cANI=0.1 mol/L)(B) and plots of specific capacitance as a function of the scan rate(C)The inset of (A) shows the relationship between specific capacitance and concentration of aniline.
Fig.4 Charge-discharging curves(A) and Nyquist polts(B) of the as-prepared PANI upon different concentration of anilinecANI/(mol·L-1): a. 0.02; b. 0.05; c. 0.10; d. 0.20; e. 0.30. The inset of (A) shows the relationship between specific capacitance and concentration of aniline.
Fig.5 SEM images of the as-prepared PANI at different galvanostatic currents(cANI=0.1 mol/L) Current density/(mA·cm-2): (A) 0.01; (B) 0.03; (C) 0.05; (D) 0.07; (E) 0.09; (F) 0.13.
Fig.6 Cyclic voltammograms of the as-prepared PANI nanostructure at different galvanostatic currents at the scan rate of 10 mV/s(A), plots of specific capacitance as a function of scan rate(B) and charge-discharge curves(C) and Nyquist polts(D) of the as-prepared PANI nanostructureThe inset of (A) shows the relationship between specific capacitance and galvanostatic current.
Fig.8 Cyclic voltammograms of the as-prepared PANI nanostructure with different protonic acid at deposition current density of 0.03 mA/cm2 and cANI of 0.1 mol/L(A), plots of specific capacitance as a function of scan rate(B), charge-discharging curves at 1 A/g(C) and Nyquist polts(D) of the as-prepared PANI nanostructures
Fig.9 Cycling stability of PANI nanostructure with different protonic acid(A), CV curves of PANI nanostructure before cycle and after 1000 cycles in H2SO4(B) and SEM image of PANI nanostructure after 1000 cycles in H2SO4(C)
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