Penerbit: Department of Physics, Faculty of Mathematics and Natural Science, University of Lampung
P-ISSN: 2747-2043
E-ISSN: 2747-299X
DOI: 10.23960/jemit
Fakultas Matematika dan Ilmu Pengetahuan Alam Fisika dan Astronomi Arsitektur
Artikel (26)
Analysis of Electrical Potential in a Thermoelectric Generator Utilizing Cooking Stove Waste Heat
Pauzi, Gurum Ahmad, Aprilia Habibah, Ali Akbar Raksa Gandi
The need for sustainable alternative energy sources has driven increasing interest in waste heat utilization, particularly from domestic and commercial activities such as cooking stoves. This study analyzes the potential for electrical energy generation from waste heat produced by commercial restaur...
Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 4 (2025): Journal of Energy, Material, and Instrumentation Technology; 230-235 | 2025
Exponential-Offset Modelling and XRD Correlation of SOH Degradation in LiFePO4 Batteries under Extreme Loading
Latif, Chaironi, Maulana, Tubagus Adam Jody, Yogianto, Mohammad Fahmi Ilmi
Understanding the relationship between electrochemical degradation and structural changes is critical for improving the reliability of lithium-ion batteries. In this study, the state of health (SOH) of 18650-type lithium iron phosphate (LiFePO4, LFP) cells was evaluated under extreme loading using d...
Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 4 (2025): Journal of Energy, Material, and Instrumentation Technology; 174-181 | 2025
Fabrication of Bioceramic Carbonated Hydroxyapatite–Chitosan Composite Scaffold Derived from River Snail Shells via Freeze-Drying for Bone Grafting Applications
Wati, Rosita, Alnovera, Vayza Deva, Herbanu, Aldi
The prevalence of bone fractures in Indonesia has increased by up to 8.5%, making cost-effective biomaterial alternatives for bone grafting applications necessary. This study aims to synthesize a hydroxyapatite carbonate (CHAp) composite scaffold from river snail shells (Semisulcospira libertina) an...
Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 4 (2025): Journal of Energy, Material, and Instrumentation Technology; 198-208 | 2025
Morphological Study of Electrospun Polyvinylpyrrolidone Fibers at High Concentration Using Water and Ethanol Solvents
Nugroho, Doni Bowo, Kamal, Nada Nadzira Ayasha, Sidabalok, Jenni Bunga Enjelita
In this study, polyvinylpyrrolidone (PVP) (Mw ~40,000 g/mol) fibers were fabricated using distilled water and ethanol via an electrospinning approach. Morphological evaluations were carried out with a Scanning Electron Microscopy (SEM). Fiber diameters were analyzed with ImageJ. Solution Concentrati...
Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 4 (2025): Journal of Energy, Material, and Instrumentation Technology; 182-189 | 2025
Improvement of TiO2 Performance with 10% Cu–TiO2/BiVO4 Heterojunction Composite Using Sonication in Photoelectrochemical Water Splitting
Bunga Nurkhalifah, Vera Pangni Fahriani, Sarah Dampang
The global energy crisis, driven by the depletion of fossil fuels, has accelerated the search for renewable energy solutions, including hydrogen production via solar-driven photoelectrochemical (PEC) systems. A major limitation of PEC is the UV-only activity of semiconductors such as TiO2. This stud...
Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 4 (2025): Journal of Energy, Material, and Instrumentation Technology; 209-219 | 2025
Enhancement of Corrosion Resistance and Electromagnetic Wave Absorption in Aluminium 6061 through Plasma Electrolytic Oxidation Coating with Ethylenediaminetetracetic Acid
Jessica Valenthine Lantang, Nur Asriyani, Mutmainnah
Aluminium 6061 is well known for its good tensile strength and high corrosion resistance due to the natural protective oxide layer formed on its surface. However, the phenomenon of corrosion can still occur, particularly in aggressive environments, leading to material degradation. To further enhance...
Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 4 (2025): Journal of Energy, Material, and Instrumentation Technology; 190-197 | 2025
The Effect of Biaxial Strain on The Thermoelectric Properties of 2D SiBi
Anshory, Muhammad, Y. Hanna, Muhammad
This study investigates the electronic and thermoelectric properties of two-dimensional silicon bismuth (2D SiBi) using first-principles Density Functional Theory (DFT) calculations. The 2D SiBi monolayer is identified as a semiconductor with an indirect band gap of 0.67 eV. Solving the Boltzmann tr...
Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 4 (2025): Journal of Energy, Material, and Instrumentation Technology; 220-229 | 2025
Enhancing BLDC Motor Performance with Wheel-Hub Design by Modify Coil Configurations
Putranto, Rifki Dwi , Hafidz, Isa , Kholima, Henko
This paper presents an analysis of the design method of a BLDC (Brushless DC) motor with a wheel-hub structure. This study examines how variations in winding configuration affect motor performance. A 650W wheel-hub BLDC motor will be tested by modifying its stator design, including variations in the...
Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 3 (2025): Journal of Energy, Material, and Instrumentation Technology; 166-173 | 2025
Sustainable Lithium Battery Development in Indonesia: The Role of Natural Materials and Recycling Processes in Future Challenges
Latif, Chaironi, Yogianto, Mohammad Fahmi Ilmi , Hafidz, Isa
The development of sustainable lithium-ion batteries is essential to meet the global demand for efficient, high-capacity, and environmentally friendly energy storage systems. This study reviews recent advancements in lithium battery technologies in Indonesia, emphasizing the utilization and performa...
Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 3 (2025): Journal of Energy, Material, and Instrumentation Technology; 154-165 | 2025
Development of a Portable Low-Cost Multispectral Sensor Integrated with IoT and Machine Learning for Classifying Honey Types
Muhammad, Riki, Isroni, wisesa, Tri Pujian
Accurate honey type authentication is a significant challenge for small-scale producers, as conventional methods are often costly and impractical. This study aims to design and develop a low-cost honey classification prototype by integrating the AS7265X multispectral sensor with Internet of Things (...
Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 3 (2025): Journal of Energy, Material, and Instrumentation Technology; 143-153 | 2025