Pengembangan Carbon-Nanofiber dengan Variasi Suhu Karbonisasi sebagai Kandidat Elektroda Superkapasitor

Silviana, Dina Rika (2023) Pengembangan Carbon-Nanofiber dengan Variasi Suhu Karbonisasi sebagai Kandidat Elektroda Superkapasitor. Other thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Penelitian yang berjudul “Pengembangan Carbon-nanofiber dengan Variasi Suhu Karbonisasi sebagai Kandidat Elektroda Superkapasitor” bertujuan mengetahui pengaruh perubahan temperatur terhadap struktur, morfologi, dan sifat carbon-nanofiber serta mengetahui sifat listrik optimal carbon-nanofiber yang akan diaplikasikan pada superkapasitor. Fabrikasi nanofiber menggunakan metode electrospinning dengan variasi suhu karbonisasi yaitu 300°C, 400°C, 500°C, dan 600°C. Carbon nanofiber sebagai bahan elektroda pada superkapasitor karena mempunyai luas permukaan yang tinggi dan porositas tinggi sehingga mudah menyerap ion. Oleh sebab itu, carbon nanofiber cocok dijadikan bahan elektroda dalam superkapasitor. Setelah fabrikasi dan karbonisasi, dilakukan pengujian carbon nanofiber antara lain TGA(Thermogravimetry Analysis), XRD(X-Ray Diffraction), SEM(Scanning Electron Microscopy), CV(Cyclic Voltametry), EIS(Elechtrochemical Impedance Spectrometry), dan Konduktivitas RCL. Hasil pengujian XRD didapatkan carbon-nanofiber dengan suhu 300°C,400°C, 500°C, dan 600°C memiliki struktur amorf yang mana termasuk semikonduktor. hasil pengujian SEM diperoleh rata-rata dimater terkecil pada carbon-nanofiber suhu 400oC sebesar 237.436 nm. Dan pada pengujian TGA menggunakan nitrogen sampel mengalami penurunan massa pada temperatur 300oC. Dapat disimpulkan bahwa struktur morfologi, ukuran diameter, dan sifat dari carbon-nanofiber dipengaruhi oleh suhu karbonisasi. Dari hasil pengujian CV diperoleh carbon-nanofiber dengan variasi scan rate 3 mv/s dengan nilai konduktivitas sebesar 181 F/g hingga 206 F/g. Dari hasil pengujian EIS didapatkan carbon-nanofiber dengan suhu karbonisasi 600°C dapat dijadikan sebagai kandidat elektroda superkapasitor. Rata-rata konduktivitas listrik yang paling tinggi terdapat pada carbon-nanofiber 500°C. Diperoleh sifat listrik optimal carbon-nanofiber yang akan diaplikasikan pada superkapasitor pada suhu yang tinggi yaitu 600°C dengan scan rate yang rendah.
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The research entitled "Development of Carbon-Nanofiber with Variation of Carbonization Temperature as a Supercapasitor Electrode Candidate" aims to determine the effect of temperature changes on the structure, morphology, and properties of carbon-nanofiber and to determine the optimal electrical properties of carbon-nanofiber to be applied to supercapacitors. Nanofiber fabrication used the electrospinning method with variations in carbonization temperature, namely 300°C, 400°C, 500°C, and 600°C. Carbon nanofiber is used as an electrode material for supercapacitors because it has a high surface area and high porosity so it easily absorbs ions. Therefore, carbon nanofiber is suitable as an electrode material in supercapacitors. After fabrication and carbonization, carbon nanofiber testing was carried out including TGA (Thermogravimetry Analysis), XRD (X-Ray Diffraction), SEM (Scanning Electron Microscopy), CV (Cyclic Voltametry), EIS (Electrochemical Impedance Spectrometry), and RCL Conductivity. The results of the XRD test showed that carbon nanofiber with temperatures of 300°C, 400°C, 500°C, and 600°C had an amorphous structure which was a semiconductor. SEM test results obtained the smallest average dimater on carbon�nanofiber at 400°C of 237,436 nm. And in the TGA test using nitrogen, the sample experienced a decrease in mass at a temperature of 300°C. It can be concluded that the morphological structure, diameter size, and properties of carbon nanofiber are affected by the carbonization temperature. From the CV test results, it was obtained carbon-nanofiber with a scan rate variation of 3 mv/s with a conductivity value of 181 F/g to 206 F/g. From the results of the EIS test, it was found that carbon nanofiber with a carbonization temperature of 600°C could be used as a supercapacitor electrode candidate. The highest average electrical conductivity is found in carbon-nanofiber 500°C. The optimal electrical properties of carbon nanofiber are obtained which will be applied to the supercapacitor at a high temperature of 600°C with a low scan rate.

Item Type:	Thesis (Other)
Uncontrolled Keywords:	Carbon-nanofiber, Electrospinning, Elektroda, Superkapasitor; Carbon-nanofiber, Electrode, Electrospinning, Supercapacitor
Subjects:	Q Science > QC Physics
Divisions:	Faculty of Science and Data Analytics (SCIENTICS) > Physics > 45201-(S1) Undergraduate Thesis
Depositing User:	Dina Rika Silviana
Date Deposited:	02 Oct 2023 06:29
Last Modified:	02 Oct 2023 06:29
URI:	http://repository.its.ac.id/id/eprint/103383

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