Fabrication of Eco-Friendly Solid-State Symmetric Ultracapacitor Device Based on Co-Doped PANI/GO Composite

Polymers

Salma Bilal¹  Hajera Gul¹  Anwar-ul-HaqAli Shah² 

[1] Conductive Polymers and Electrochemistry Laboratory, National Centre of Excellence in Physical Chemistry, University of Peshawar, Peshawar 25120, Pakistan;Physical Chemistry Laboratory, Institute of Chemical Sciences, University of Peshawar, Peshawar 25120, Pakistan;

关键词: polyaniline;    graphene oxide;    composite;    co-doped;    solid-state symmetric ultracapacitor;    specific capacitance;   

DOI  :  10.3390/polym11081315

来源: DOAJ

【 摘 要 】

An eco-friendly solid-state symmetric ultracapacitor (Uc) device was fabricated using a polyaniline graphene oxide composite co-doped with sulfuric acid (H₂SO₄) and dodecyl benzene sulfonic acid (DBSA) or camphor sulfonic acid (CSA), as electrode material utilizing gold sheets as current collectors. The device showed specific capacitance value of 150 F/g at 1 A/g current density, with a capacitance retention value of 93.33% at higher current density (10 A/g), indicating a high rate capability. An energy density of 15.30 Whkg⁻¹ with a power density of 1716 Wkg⁻¹ was obtained at the current density of 1 A/g. The values of areal capacitance, power density, and energy density, achieved at the current density of 5 mAcm⁻², were 97.38 mFcm⁻², 9.93 mWhcm⁻², and 1.1 Wcm⁻², respectively. Additionally, the device showed very low solution and charge transfer resistance (0.885 Ω and 0.475 Ω, respectively). A device was also fabricated utilizing copper as current collector; however, a lower value of specific capacitance (82 F/g) was observed in this case.

【 授权许可】

Unknown