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All Journal Jurnal Progres Kimia Sains Jurnal Akademika Kimia Sultra Journal of Mechanical Engineering
Muh. Nurdin, Muh.
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Aerospace Engineering Automotive Engineering Chemistry Control & Systems Engineering Education Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Preparasi dan Karakterisasi Permukaan Elektroda Berlapis Titanium Dioksida Nanopartikel Menggunakan Atomic Force Microscopy Nurdin, Muh.
Jurnal Progres Kimia Sains Vol 1, No 1 (2011): JPKS Open Acces
Publisher : Universitas Halu Oleo

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Abstract

Telah dilakukan penelitian tentang preparasi dan karakterisasi permukaan elektrodaberlapis nanopartikel titanium dioksida (TiO2) dengan menggunakan Atomic ForceMicroscopy (AFM). Lapis tipis nanopartikel TiO2 telah dipreparasi dengan menerapkanmetode Sol-Gel Dip-Coating menggunakan titanium tetraisopropoksida (TTIP). Hasilkarakterisasi AFM menunjukkan roughness 1,596nm dan ukuran partikel 9,8 nm. Hasil yangdiperoleh cocok secara praktis untuk penggunaan sebagai elektroda dalam sistemfotoelektrokatalitik.
Modifikasi sepeda motor honda beat karbu 110 cc menjadi electric vehicle 2 kW Nurdin, Muh.; Kismanti, Shinta; Silalahi, Prayoga
Sultra Journal of Mechanical Engineering Vol. 3 No. 1 (2024): Sultra Journal of Mechanical Engineering
Publisher : Program Studi Teknik Mesin, Universitas Sulawesi Tenggara

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Abstract

Kendaraan listrik saat ini telah banyak digunakan salah satunya adalah kendaraan listrik hasil konversi dari kendaraan motor bakar. Tujuan dari penelitian ini untuk mengetahui proses konversi dan konsumsi daya listrik dari sepeda motor honda beat 110 CC menjadi sepeda motor listrik (electric vehickle) 2 kW. Proses konversi dilakukan dengan mengganti sistem penggerak motor bakar menjadi motor listrik Brush Less Direct Current 2 kW, menambahkan kontroller juken 10 merek bintang racing team, menggunakan baterai GESITS serta memodifikasi sistem transimisi CVT motor bakar. Hasil penelitian menunjukkan konsumsi daya baterai yang dihasilkan pada jalan mendatar sejauh 500 meter pada kecepatan 20, 30, 40 km/jam ialah 0,01, 0,02, dan 0,06 Wh. Sementara konsumsi daya baterai yang dihasilkan pada jalan menanjak sejauh 100 meter pada kecepatan 20, 30, 40 km/jam ialah 0,03, 0,03, dan 0,04 Wh.
Performance of The Composite Electrode of Reduced Graphene Oxide Palm Oil Shell - Zinc Oxide (rGOCKS - ZnO) as a Chemical Oxygen Demand (COD) Sensor by Photoelectrocatalysis Azis, Thamrin; Muzakkari, Muhammad Z.; Nurdin, Muh.; Maulidiyah, Maulidiyah; Muslia, Wa O.; Bijang, Catherina M.; Tahril, Tahril
Jurnal Akademika Kimia Vol. 12 No. 2 (2023)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/j24775185.2023.v12.i2.pp123-131

Abstract

The preparation of reduced graphene oxide composite electrodes from palm shells (rGOCKS-ZnO) as a chemical oxygen demand (COD) sensor by photoelectrocatalysis has been successfully carried out. The preparation of rGOPS - ZnO electrodes by thermal reduction method and modified Hummer. The XRD results showed several peaks of rGOCKS - ZnO namely 23.287 º, 26.781 °, 29.889 °, 32.468 °, 35.109 °, 37.14 °, 39.822 °, 43.559 °, 47.927 °, and 48.537 °. SEM-EDX analysis reveals the surface of graphene sheets containing aggregates in the shape of small particles attached to graphene sheets. The results of the EDX analysis consisted of C 67.82 %, O. 19.2 %, Zn. 7.85 % and 5.13 % impurity. The CV and LSV tests showed that the rGOAK - ZnO electrode with a variation of 1 gram: 0.3 gram had a good response to the oxidation process under visible light. The profile tests of these organic dyes (methylene blue) in concentrations of 0.5 ppm, 1.0 ppm, 2.0 ppm, and 3.0 ppm were applied by Multi Pulse Amperometry (MPA). The performance of the rGOPS - ZnO electrode has been in determining the value of COD by photo electrocatalytic good sensitivity, linearity, limit of detection, repeatability, and service life. The COD value was determined using the rGOPS - ZnO electrode and obtained 2.97897 mg/LO2 close to the theoretical value.
Co-Authors Bijang, Catherina M. Kismanti, Shinta Maulidiyah Maulidiyah Muslia, Wa O. Muzakkari, Muhammad Z. Silalahi, Prayoga Tahril THAMRIN AZIS