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Title: Highly stable TiO2/g-C3N4 composite electrodes for quasi-solid-state supercapacitor applications
Authors: Olcayto, Colak, T.
Tuc, Altaf, C.
Sankir, M.
Demirci, Sankir, N.
Keywords: Carbon materials
Composite materials
Energy storage and conversion
Thin films
Carbon films
Carbon nitride
Composite materials
Electric discharges
Hybrid materials
Hybrid systems
Magnetic semiconductors
Carbon material
Composites electrodes
Composites material
Electrode material
Energy storage and conversions
Highly stables
Quasi-solid state
Solid-state supercapacitors
Supercapacitor application
Titanium dioxide
Publisher: Elsevier B.V.
Abstract: Supercapacitor research focuses on cheap, long-lasting electrode materials. As a semiconductor, titanium dioxide (TiO2) is cheap and chemically stable, making it a promising electrode material for supercapacitors. The goal is to improve carbon-based composites by hybridizing conductive materials. The graphitic carbon nitride (g-C3N4) is a stable and common allotrope of C3N4. Its optical, electrical, and structural properties make it a good hybrid system for supercapacitors. With a simple, affordable, and successful thermal decomposition method, we synthesized a TiO2/g-C3N4 composite material. Supercapacitors have 20.6 F g−1 specific capacitance, 63 Wh kg−1 energy density, and 92 % Coulombic efficiency. The TiO2/g-C3N4 composite showed highly stable electrochemical performance even after 10,000 charge–discharge cycles. © 2024 Elsevier B.V.
ISSN: 0167-577X
Appears in Collections:Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection

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