CD Skripsi

Fabrikasi Elektroda Karbon Dari Biomassa Biji Alpukat Dengan Variasi Suhu Aktivasi Fisika Untuk Aplikasi Superkapasitor

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The synthesis of activated carbon derived from avocado seed biomass waste
(Persea americana mill) for supercapacitor electrodes have been performed
through three different physical activation temperature. Preparation of activated
carbon electrodes begins with a pre-carbonization process. Next, the samples were
chemically activated with 0.1 M potassium hydroxide. The pyrolysis process was
started with carbonization from 30 ˚C temperature of to 600 ˚C in N2 gas
atmosphere and followed by a physical activation process with different
temperatures of 700 ˚C, 800 ˚C, and 900 ˚C in CO2 gas environment. The mass
reduction of carbon monoliths is 22, 87% and it resulted in the form carbon
powder. The shrinkage density values of each carbon electrode for different
physical activation temperatures of 700 ˚C, 800 ˚C, and 900 ˚C are 25, 52%, 27,
56%, and 37, 42%, respectively. The microstructure analysis shows that the
carbon electrodes are amorphous carbon which is indicated by broadening peaks
at a 2θ angle of around 24˚ and 44˚. The electrochemical properties of
supercapacitor cells were tested by using the cyclic voltammetry method at a
potential window of 0- 1.0 V in 1 M H2SO4 aqueous electrolyte. The specific
capacitance exhibited for each variation of physical activation temperature 700 ˚C,
800 ˚C, and 900 ˚C are found as high as 50, 684 F/g, 172, 857 F/g, and 203, 125
F/g respectively. Based on these results, avocado seed waste is potential as
activated carbon for the supercapacitor electrodes.
Keywords: avocado seeds, activated carbon, physical activation temperature,
electrodes, supercapacitor.

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Ketersediaan

Informasi Detail

Judul Seri

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No. Panggil

03 01.120 (0079)

Penerbit

Pekanbaru : Universitas Riau – FMIPA – FISIKA., 2020

Deskripsi Fisik

xvi, 52 hlm.: ill.: 29 cm

Bahasa

Indonesia

ISBN/ISSN

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Klasifikasi

03 01.120 (0079)

Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

FISIKA

Info Detail Spesifik

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Pernyataan Tanggungjawab

ELFITRA

Versi lain/terkait

Lampiran Berkas

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