J. Mater. Sci. Technol. ›› 2017, Vol. 33 ›› Issue (8): 793-799.DOI: 10.1016/j.jmst.2017.03.018
• Orginal Article • Previous Articles Next Articles
Li Qia, Guo Xinlia(), Zhang Yaoa, Zhang Weijiea, Ge Chuanga, Zhao Lia, Wang Xiaojuana, Zhang Hongyia, Chen Jiana, Wang Zengmeia, Sun Litaob
Received:
2016-08-20
Accepted:
2016-12-21
Online:
2017-08-20
Published:
2017-10-31
Li Qi, Guo Xinli, Zhang Yao, Zhang Weijie, Ge Chuang, Zhao Li, Wang Xiaojuan, Zhang Hongyi, Chen Jian, Wang Zengmei, Sun Litao. Porous graphene paper for supercapacitor applications[J]. J. Mater. Sci. Technol., 2017, 33(8): 793-799.
Fig. 1. Cross-section SEM images of layer-structure GOP (a), P-rGOP structure after thermal shock of GOP at a heating rate of 100 °C s-1 and held at 700 °C for 5 s (b) and image of as-prepared GOP (c).
Fig. 6. CV curves of rGOP-HI (a), rGOP-SA (b) and P-rGOP (c) in 1 mol L-1 H2SO4 aqueous electrolyte and corresponding specific capacitance measured at scan rates 10-500 mV s-1 (d).
Fig. 8. Schematic of symmetric electrochemical supercapacitor constructed from two GOP electrodes and mixed cellulose ester separator in aqueous electrolyte (Inset shows a piece of GOP before reduction) (a), equivalent circuit of electrodes invaded by aqueous electrolyte (b) and Nyquist plots of rGOP-HI rGOP-SA and P-rGOP (c) (Ri: distributed internal resistance; Rs: electrolyte resistance outside pore; ZRe: real part of impedance; ZIm: imaginary part of impedance).
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