Transparent, flexible, and solid-state supercapacitors based on graphene electrodes | Zendy

Yi Gao | Zendy; Yun Zhou | Zendy; Wei Xiong | Zendy; Li Jiang | Zendy; Masoud MahjouriSamani | Zendy; P. Thirugnanam | Zendy; Xi Huang | Zendy; M. M. Wang | Zendy; Lan Jiang | Zendy; Yongfeng Lu | Zendy

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Transparent, flexible, and solid-state supercapacitors based on graphene electrodes

Author(s) -

Yi Gao,

Yun Zhou,

Wei Xiong,

Li Jiang,

Masoud MahjouriSamani,

P. Thirugnanam,

Xi Huang,

M. M. Wang,

Lan Jiang,

Yongfeng Lu

Publication year - 2013

Publication title -

apl materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.571

H-Index - 60

ISSN - 2166-532X

DOI - 10.1063/1.4808242

Subject(s) - supercapacitor , materials science , capacitance , graphene , electrode , electrolyte , bending , optoelectronics , transmittance , nanotechnology , composite material , chemistry

In this study, graphene-based supercapacitors with optical transparency and mechanical flexibility have been achieved using a combination of poly(vinyl alcohol)/phosphoric acid gel electrolyte and graphene electrodes. An optical transmittance of ∼67% in a wavelength range of 500-800 nm and a 92.4% remnant capacitance under a bending angle of 80° have been achieved for the supercapacitors. The decrease in capacitance under bending is ascribed to the buckling of the graphene electrode in compression. The supercapacitors with high optical transparency, electrochemical stability, and mechanical flexibility hold promises for transparent and flexible electronics

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