Analisis Pengaruh Doping Nitrogen Terhadap Sifat Kapasitif Superkapasitor Hybrid Berbahan Komposit N-Rgo/Mno2

Santoso, Cendrawan (2023) Analisis Pengaruh Doping Nitrogen Terhadap Sifat Kapasitif Superkapasitor Hybrid Berbahan Komposit N-Rgo/Mno2. Other thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Bersama dengan PBB, Indonesia berkomitmen untuk mewujudkan Tujuan Pembangunan Berkelanjutan atau Sustainable Development Goals (SDGs) hingga tahun 2030. Salah satu poin dari SDGs, adalah mewujudkan Energi Bersih dan Terjangkau. Oleh karena itu, diperlukan penelitian dan pengembangan terkait perangkat penyimpanan energi yang memiliki kemampuan menyimpan muatan yang tinggi dan ramah lingkungan, seperti superkapasitor. Saat ini, pengembangan terbaru dari superkapasitor adalah pembuatan jenis superkapasitor hybrid, dimana merupakan sistem paduan antara EDLC dan pseudocapacitor. Pada penelitian ini akan dilakukan sintesis elektroda superkapasitor hybrid dengan menggunakan Nitrogen-doped Reduced Graphene Oxide (N-rGO) yang dikompositkan dengan Mangan Dioksida (MnO¬2). Penelitian ini bertujuan untuk menganalisis mengenai pengaruh penambahan NH4OH (2 ml, 4 ml, 6 ml) dalam proses doping rGO terhadap morfologi dan sifat kapasitansi dari komposit (N-rGO/MnO2). Karakterisasi yang dilakukan meliputi pengujian SEM-EDX, XRD dan FTIR. Sedangkan pengujian performa elektrokimia yang dilakukan meliputi CV, EIS, dan GCD. Berdasarkan hasil perngujian karakterisasi, penambahan NH4OH mempengaruhi nilai dspacing menjadi semakin besar yang mengindikasikan semakin banyak atom nitrogen yang tersubstitusi. Hasil EDS menunjukkan bahwa variasi paling efisien pada 4 ml yaitu sebesar 4.08 wt%. Berdasarkan hasil pengujian CV, nilai kapasitansi yang terbesar dan stabil diperoleh variasi komposit dengan 4 ml sebesar 36.268 Fg-1. Didukung juga dengan pengujian EIS dan GCD, nilai kapasitansi terbesar diperoleh variasi 4 ml dengan kapasitansi sebesar 18.225 Fg-1 dan 36.268 Fg-1, dengan nilai konduktivitas sebesar 3.565 Sm-1
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Together with the United Nations, Indonesia is committed to realizing the Sustainable Development Goals (SDGs) until 2030. One of the points of the SDGs is to realize Clean and Affordable Energy. Therefore, research and development is needed regarding energy storage devices that have the ability to store high loads and are environmentally friendly, such as Supercapacitors. Currently, the latest development of Supercapacitors is the manufacture of hybrid Supercapacitors, which is a system between EDLC and pseudocapacitor. In this research, hybrid Supercapacitor electrodes will be synthesized using a composite of Nitrogen-doped Reduced Graphene Oxide (N-rGO) and Manganese Dioxide (MnO2). This study aims to analyze the effect of the addition of NH4OH (2 ml, 4 ml, 6 ml) in the rGO doping process on the morphology and capacitance properties of the composite (N-rGO/MnO2). The characterization carried out includes SEM-EDX, XRD, FTIR and TEM tests. Meanwhile, the electrochemical performance tests carried out includes CV, EIS, and GCD. Based on the results of characterization tests, the addition of NH4OH makes the dspacing value greater, which is an indication that there are more nitrogen atoms substituted. The EDS test showed that the variation 4 ml has the most efficient with 4.08% wt. This is also confirmed by the electrochemical tests. Based on the results of CV test, the largest capacitance is from the material with 4 ml, which is equal to 36.268 Fg-1. It is also supported from the EIS and GCD tests, the largest capacitance is from the material with variation of 4 ml, which is equal to 18.225 Fg-1 and 36.268 Fg-1 and the conductivity is 3.565 Sm-1

Item Type:	Thesis (Other)
Additional Information:	RSMt 621.315 San a-1 2022
Uncontrolled Keywords:	Doping, Hybrid Supercapacitor, MnO2, Nitrogen, N-rGO
Subjects:	Q Science > QD Chemistry > QD341.H9 Graphene T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK7872.C65 Supercapacitors.
Divisions:	Faculty of Industrial Technology and Systems Engineering (INDSYS) > Material & Metallurgical Engineering > 28201-(S1) Undergraduate Thesis
Depositing User:	Cendrawan Santoso
Date Deposited:	16 Feb 2023 07:08
Last Modified:	25 Aug 2023 07:45
URI:	http://repository.its.ac.id/id/eprint/96636

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