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All Journal Bulletin of Electrical Engineering and Informatics Manutech : Jurnal Teknologi Manufaktur Indonesian Journal of Energy International Journal of Renewable Energy Development Journal of Batteries for Renewable Energy and Electric Vehicles
Abdul Hamid Budiman
Chemical Engineering Department, University of Indonesia, Kampus Baru UI, Depok 16424
Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Analisis Pengaruh Hubungan Suhu Cahaya Matahari Terhadap Tegangan Listrik Dan Tekanan Gas Yang Dihasilkan Pada Prototype Stasiun Pengisian Gas Hidrogen Untuk Kendaraan Fuel Cell ramadan, dani; Wibisono Putra, Ananda Yhuto; Budiman, Abdul Hamid
Manutech : Jurnal Teknologi Manufaktur Vol. 16 No. 01 (2024): Manutech: Jurnal Teknologi Manufaktur
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/manutech.v16i01.317

Abstract

Efforts to create vehicles that have high efficiency and do not produce polluting exhaust gases have become the subject of research that is increasingly being developed by various automotive industry companies. Coupled with the issue of climate change which has ultimately prompted various vehicle innovations to immediately reduce the use of petroleum fuel, making various advances in the automotive sector to find substitutes for fuel to drive engines such as electricity, hybrid systems, and most recently the use of fuel cells. The research was carried out at the Tangerang Science and Technology Research Center (Puspiptek) with the aim of analyzing, studying and designing a gas refueling system (hydrogen gas refueling station). The data collection technique was carried out using an experimental descriptive method by testing the variable temperature of sunlight on the electrical voltage produced. The research results show that the hydrogen gas filling system station has a more practical filling system for filling fuel for fuel cell vehicles compared to hydrogen cylinders in general. The relationship between the temperature variables of sunlight is directly proportional to the increase in electrical voltage in the battery. Variable sunlight temperature and electrical voltage influence the increase in pressure of the gas produced. However, the gas pressure storage system has been set so as not to exceed the maximum capacity. However, vehicle systems that use fuel cells to transmit power to the engine only emit water as the end result of the combustion process. Of course, with exhaust emissions that are only water, this will make a vehicle powered by hydrogen an environmentally friendly vehicle. Even though the application in the world automotive market of vehicles with fuel cells is still limited, further developments in vehicles with fuel cells will create updated solutions in reducing the high use of petroleum as a save the earth movement on the issue of climate change.
Enhancing voltage stability through wavelet-fuzzy control of hydrogen flow in OC-PEM fuel cell Pangaribowo, Triyanto; Mulyo Utomo, Wahyu; Budiman, Abdul Hamid; Abu Bakar, Afarulrazi; Khaerudini, Deni Shidqi
Bulletin of Electrical Engineering and Informatics Vol 13, No 4: August 2024
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/eei.v13i4.7045

Abstract

Open cathode proton exchange membrane fuel cells (OC-PEM fuel cells) serve as electricity generators, utilizing hydrogen as an input source. While effective for fixed loads like residential applications, challenges arise in dealing with output voltage fluctuations caused by rapid load changes. These fluctuations not only impact fuel cell performance but also introduce instability in the supplied power. To solve this issue, the study proposes an innovative hydrogen flow control system employing a feedforward wavelet- fuzzy method. The primary goal of this control system is to enhance fuzzy control performance using wavelets, mitigating signal fluctuations and achieving optimal stability in fuel cell output voltage under constant load conditions. Wavelet functions act as filters on the fuzzy control input, minimizing fluctuations and refining the entire process. Additionally, a feedforward system is incorporated to maintain hydrogen flow at the set point value. The proposed control system is implemented on a validated model using experimental data. Performance analysis reveals that the proposed method effectively stabilizes voltage by accelerating the recovery time from disturbances.
Achieving superior tartrazine-tetracycline removal and hydrogen production with WO3/g-C3N4/TiNTAs through integrated photocatalysis-electrocoagulation Husein, Saddam; Budiman, Abdul Hamid; Dewi, Eniya Listiani; Slamet, Slamet
International Journal of Renewable Energy Development Vol 14, No 4 (2025): July 2025
Publisher : Center of Biomass & Renewable Energy (CBIORE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61435/ijred.2025.61167

Abstract

The study aims to evaluate the removal of tartrazine (TZ), tetracycline (TC), and a combination of both TZ+TC and hydrogen (H2) production simultaneously using WO3/g-C3N4/TiNTAs (W-CN-TiNT) nanocomposites. The processes used in this study were Electrocoagulation (EC), photocatalysis (PC), and a combination of photocatalysis-electrocoagulation (PC-EC) simultaneously. The synthesis of W-CN-TiNT nanocomposites was carried out using the in-situ Anodization (IA) method, which was then tested for its performance in the PC and PC-EC processes. The nanomaterials were characterized by various techniques such as X-ray diffraction (XRD), ultraviolet-visible diffuse reflectance spectroscopy (UV-Vis DRS), field emission scanning electron microscopy with energy dispersive X-ray spectroscopy (FESEM-EDX), high-resolution transmission electron microscopy with selected area electron diffraction (HRTEM-SAED), X-ray photoelectron spectroscopy (XPS), and photocurrent measurements. In the PC process, liquid chromatography-high-resolution mass spectrometry (LC-HRMS), UV-Vis spectrophotometer, and gas chromatography (GC) were used to assess the efficiency of pollutant removal and H2 production. The results show that TZ is removed more easily than TC during the PC process, and the pollutant removal rate is correlated with H2 production. This observation also applies to the EC process and the PC-EC. The PC-EC process is superior to the single process of removing the TZ+TC pollutants. The proposed approach has proven to be effective for TZ+TC removal and in enhancing H2 production. The use of W-CN-TiNT nanocomposite as a photocatalyst is revolutionary. It significantly improves the process efficiency. This research provides a sustainable alternative solution that is environmentally friendly and can be applied for the treatment of pharmaceutical industrial wastewater containing complex organic compounds.
Design of Control and Human Machine Interface (HMI) for Proton Exchange Membrane Fuel Cell Kurniawan, Kurniawan; Budiman, Abdul Hamid; Hermawan, Ferri; Rahmawan, Anton
Indonesian Journal of Energy Vol. 3 No. 1 (2020): Indonesian Journal of Energy
Publisher : Purnomo Yusgiantoro Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33116/ije.v3i1.46

Abstract

Fuel cell is an electrochemical device that converts hydrogen and oxygen produces electrical energy continuously, water and heat as by product, which simultaneously. Proton Exchange Membrane Fuel Cell (PEMFC) operates with polymer electrolytes which are thin and proton permeable. Designing the control system, it is expected that the fuel cell operation could be in accordance with the predetermined process parameter design. In addition to the control system for fuel cell operations, a fuel cell protection or security system design is also carried out during operation in real condition. Referring to the block diagram or control system architecture and fuel cell operations that have been made, a detailed design will be made as a reference for the prototype of the control and protection system for operational and fuel cell testing and controlling. Making Standard operation procedure (SOP) is very helpful in the operation and avoids operating errors that can damage and harm caused.*The paper has been selected from a collaboration with IPST and 7th ICFCHT 2019 for a conference entitled "Innovation in Polymer Science and Technology (IPST) 2019 in Conjunction with 7th International Conference on Fuel Cell and Hydrogen Technology (ICFCHT 2019) on October 16th - 19th at The Stones Hotel Legian, Bali, Indonesia"
The Calcination Temperature Effect on Crystal Structure of LiNi1/3Mn1/3Co1/3O2 Cathode Material for Lithium-Ion Batteries Rahayu, Sri; Saudi, Aghni Ulma; Tasomara, Riesma; Gumelar, Muhammad Dikdik; Utami, Wahyu Tri; Hapsari, Ade Utami; Raharjo, Jarot; Rifai, Abdulloh; Khaerudini, Deni Shidqi; Husin, Saddam; Saputra, Dita Adi; Yuliani, Hanif; Andrameda, Yurian Ariandi; Taqwatomo, Galih; Arjasa, Oka Pradipta; Damisih, Damisih; Hardiansyah, Andri; Pravitasari, Retna Deca; Agustanhakri, Agustanhakri; Budiman, Abdul Hamid
Journal of Batteries for Renewable Energy and Electric Vehicles Vol. 1 No. 02 (2023): NOVEMBER 2023
Publisher : NBRI Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59046/jbrev.v1i02.22

Abstract

The lithium-ion battery has gained popularity among other secondary batteries for portable electronic devices and electric vehicle applications, especially the LiNi1/3Co1/3Mn1/3O2 or NMC111, considering its well-balanced configuration resulting in stable and safe electrochemical performance. NMC111 has been successfully prepared using a coprecipitation process at calcination temperatures from 800 to 950°C. The physical characteristics were investigated using X-Ray Diffraction (XRD), Scanning Electron Microscopy-Energy Dispersive Spectroscopy (SEM-EDS), and Particle Size Analysis (PSA). The XRD patterns showed the rhombohedral single phase for all calcination temperatures. Meanwhile, higher calcination temperatures offer higher degree of crystallinity, lower intensity ratio and more undesirable cation mixing. The particles with a uniform rectangle or pyramid shape are observed at the calcination temperature range from 800 to 900°C. However, bigger submicron particles with a rectangle or pyramid shape are detected at a higher temperature (950°C). The SEM-EDS mapping shows the homogeneity composition for all variation calcination temperatures. PSA analysis showed that calcination temperature at 800 and 850°C gives the particle less than 400 nm suggesting a potential material for a cathode of lithium-ion batteries.
Co-Authors Abu Bakar, Afarulrazi Agustanhakri, Agustanhakri Ananda Yhuto Wibisono Putra Andrameda, Yurian Ariandi Damisih, Damisih Deni Shidqi Khaerudini Eniya Listiani Dewi Gumelar, Muhammad Dikdik Hapsari, Ade Utami Hardiansyah, Andri Hermawan, Ferri Husin, Saddam Jarot Raharjo Kurniawan Kurniawan Oka Pradipta Arjasa Pravitasari, Retna Deca Rahmawan, Anton ramadan, dani Rifai, Abdulloh Saddam Husein, Saddam Saputra, Dita Adi Saudi, Aghni Ulma Slamet . SRI RAHAYU Taqwatomo, Galih Tasomara, Riesma Triyanto Pangaribowo Wahyu Mulyo Utomo Wahyu Tri Utami Yuliani, Hanif