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Sugianto Sugianto
Jurusan Fisika, Universitas Riau, Simpang baru, Pekanbaru, 28293
Electrical & Electronics Engineering Energy Physics Other

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PEMBUATAN DAN KARAKTERISASI SIFAT FISIS ELEKTRODA KARBON DARI BUNGA RUMPUT GAJAH DITINJAU DARI PERBEDAAN UKURAN PARTIKEL E. Taer; S. Nurjanah; Sugianto Sugianto; R. Taslim
PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) Vol 5 (2016): PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) SNF2016
Publisher : Program Studi Pendidikan Fisika dan Program Studi Fisika Universitas Negeri Jakarta, LPPM Universitas Negeri Jakarta, HFI Jakarta, HFI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (749.875 KB) | DOI: 10.21009/0305020207

Abstract

Preparation and characterization of physical properties of carbon electrode from flower of elephant grass has been analyzed with variations in particle size. Production of carbon electrodes was begun with pre-carbonization, grinding with hard grinder, grinding with ball milling and followed by sieving process. Variations in particle size selected of <38 µm milling continued during 20 hours, <38 µm (SB), and 39-52 µm (SC). All of the sample have been activated by chemical activating agent with NaOH at a concentration of 0,4 M. Carbonization process was performed at temperatures of 600˚C in the gas environment N2 and followed by physical activation process by using a CO2 gas at a temperature of 850˚C. Physical parameters such as mass, diameter and thickness of activated carbon electrodes was collected at a condition (i) before carbonization, (ii) after carbonization and (iii) after physical activation to found the density characteristic. The results of density data showed that the sample SA of <38 µm has a density value of 1,103 g/ cm3 , (ii) 0,869 g/cm3, (iii) 0,800 g/cm3, SB (i) 1,083 g/ cm3, (ii) 0,816 g/cm3, (iii) 0,728 g/cm3 and SC (i) 1,072 g/ cm3, (ii) 0,777 g/ cm3 and (iii) 0,599 g/ cm3, respectively. As a conclution, the particle size was varies inversely with the density. As an addition, the crystallographic analysis showed that the particle size is inversely proportional to the Lc value. Keywords: particle size, physical characteristic, activated carbon, flower of elephant grass.
ANALISA SIKLIS VOLTAMETRI SUPERKAPASITOR MENGGUNAKAN ELEKTRODA KARBON AKTIF DARI KAYU KARET BERDASARKAN VARIASI AKTIVATOR KOH E. Taer; Zulkifli Zulkifli; Sugianto Sugianto; R. Syech; R. Taslim
PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) Vol 4 (2015): PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) SNF2015
Publisher : Program Studi Pendidikan Fisika dan Program Studi Fisika Universitas Negeri Jakarta, LPPM Universitas Negeri Jakarta, HFI Jakarta, HFI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (536.44 KB)

Abstract

Has successfully analyzed the carbon electrode supercapacitor from rubber wood using cyclic voltammetry method. Making the samples of early stage through the process of cutting, drying, carbonization and polishing to form pellets. Variations activator KOH and HNO3 is used to increase the surface area of ​​the electrode. Variations KOH used was 1 M, 3 M, 5 M HNO3 solution while being used is 25%. Methods of measurement of cyclic voltammetry carried out using a Solatron 1280 with a potential window of 0 to 1 Volt at the scan rate variation 1 mV/s, 5 mV/s, 10 mV/s, 30 mV/s, 50 mV/s and 100 mV/s. From data analized has found that the highest specific capacitance values ​​occur at the rate of induced 1 mV/s for all variations of KOH. The highest specific capacitance value at scan rate 1 mV/s in the variation of KOH 1 M, 3 M, 5 M is at 16,36 F /gram, 68,27 F/gram and 63,24 F/gram. Additional testing was also performed using X-ray diffraction instrument and electron scanning microscope. Keywords : Cyclic Voltammetry, Supercapacitor, Carbon Electrode, Rubber Wood.
Co-Authors E. Taer R. Syech R. Taslim S. Nurjanah Zulkifli Zulkifli