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One-step Preparation of Binder-free Nickel Containing Graphene Foam Electrode for Supercapacitors
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  • Sirin SIYAHJANI GULTEKIN,
  • Aziz Ahmad KARIMI,
  • Mustafa CAN,
  • Serafettin DEMIC
Sirin SIYAHJANI GULTEKIN
Canakkale Onsekiz Mart University

Corresponding Author:[email protected]

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Aziz Ahmad KARIMI
Ege University Solar Energy Institute
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Mustafa CAN
Izmir Katip Celebi University
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Serafettin DEMIC
Izmir Katip Celebi University
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Abstract

A nickel hydroxide (Ni(OH) 2)-modified reduced graphene oxide (rGO) foam electrode for supercapacitor application is presented in this study. The electrode was made without binder through a one step process. In order to compare the supercapacitor performance of as synthesized graphene foam electrode, rGO and rGO:carbon black (CB) standard electrodes with PVDF-HFP binder were also synthesized . All electrodes were then characterized structurally (XPS, EDS, RAMAN, XRD, and FT-IR) and morphologically (SEM). Ni-containing electrodes were found in the α-Ni(OH)2:rGO structure. NirGO3 has 800 Fg -1 capacitance, while rGO:CB has 900. Thus NirGO3 has the best capacitive performance among binder-free electrodes, comparable to rGO:CB.
07 Aug 2023Review(s) Completed, Editorial Evaluation Pending
07 Aug 2023Submitted to Energy Storage
28 Aug 2023Assigned to Editor
28 Aug 2023Submission Checks Completed
08 Sep 2023Reviewer(s) Assigned
08 Sep 2023Reviewer(s) Assigned
06 Nov 2023Editorial Decision: Revise Major