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Journal : Rekayasa Mesin

THERMODYNAMIC ANALYSIS OF ALKALINE ELECTROLYSIS UNDER VISIBLE LIGHT ILLUMINATION: COMPARATIVE ASSESSMENT OF GREEN AND BLUE LED EXPOSURE Santoso, Mardi; Ahmad, Anton Royanto; Sinurat, David Fernando; Hamidi, Nurkholis; Purnami
Jurnal Rekayasa Mesin Vol. 16 No. 3 (2025)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/

Abstract

This study explores the thermodynamic behavior of alkaline electrolysis under visible light illumination, focusing on the effects of green and blue wavelengths in the absence of chemical additives. Through a series of controlled experiments, temperature evolution, energy input, and thermal efficiency were analyzed over a 20-minute electrolysis period. Results show that both green and blue light enhance the system's thermal response compared to dark (control) conditions, with blue light achieving the highest temperature rise and energy conversion efficiency. Arrhenius analysis revealed a clear temperature dependence of the rate constant, and strong correlations were observed between temperature rise (ΔT), heat energy (Q), and system efficiency. These findings suggest that visible light particularly blue light can significantly improve the thermal dynamics of electrolysis systems, paving the way for low-cost, passive solar-assisted hydrogen production.
Co-Authors Aang Wahidin Adama, Amelia Bella Putri Adianto Adianto Adityo Pratomo Putro Afifah, Rizqi Nur Agustina Merdekawati Ahmad Rizqi Alima Fabri Alam, Yusuf Syahril Alfanda, Benedcita Dian Aminatus Sa’diyah Ananda Krisna Aldianita Andifa, Vinda Aprilia Nurul Angelia Angelia Ani Iryani Anisa Rahma Maharani Anton Royanto Ahmad Ardi Lukman Hakim Arif Fadlan Ariwiyono, Nopem Aunurohim Aunurohim Awik P.D. Nurhayati Azhaar, Nadia Bambang Antoko Benedicta Dian Alfanda C. I. Sutrisno Cahyaningati, Desi Cahyono, Luqman Cicilia Puspa Rini Dahlena Ariyani David StC Black Dewi Kurniasih Dheva Noveilya Didik Prasetyoko Didik Sukoco Djoko Hartanto Duhita, Shinta Ratna Edi Haryono Eko Julianto Eky Novianarenti Eky Novianarenti Endro, R. Dimas Eva Melinda Evan Evan Fadlan, Arif Fahimah Martak Fatimatul Munawaroh Fatimatul Munawaroh Fendra Wician Fendra Wician Fiqey Indriati Eka Sari FITRIA, NURAINI Ghaissani, Shabrina Syifa Gusma Hamdana Putra Hadi Nur Hadi Nur Haidhar Wahyu S Hakam, M Hanafi Hanafi Haniarta Gemilang Sari Hartati Hartati Hartono Gunarso Hasliza Bahruji Healthy Kainama Helena Fabiani Hendro Agus Widodo, Hendro Agus Henny Tanadi Tan Herdayanto Sulistyo Putro Herijono, Boedi Heriyansyah, Rafi Akbar I Made Putra Ananta W Ikang Martin Trasnowo Imelda Imelda Imelda Priskila Simanjuntak Imroatul Qoniah Ingeswari, Aulya Vidiana Ivan DP Sunardi Jesika Setiawan Jovita Jovita Kamilia Mustikasari KAMILIA MUSTIKASARI Kavin, Layli Adha Nadira Kholifatu Rosyidah kholifatu rosyidah Khozin, Muhamad Nur Kristian Ariya Sedayu Kusdiantomo Kusdiantomo Kusminah, Imah Luluk Kusuma, George Endri Laila Khamsatul Muharrami, Laila Khamsatul Leaw Wai Loon Lingga Kamadatu Lukman Atmaja M Anis Mustaghfirin M Daffa Aditya M Hakam M. Rizal Fahmi Maharani, Aditya Maria Dewi Astuti Marshel Tendean Marshell Tendean Marshell Tendean Maya Damayanti Mochamad Luqman Ashari Mochammad Choirul Rizal Mochammad Purwanto Mohammad Abu Jami'in Monica Puspa Sari muhammad fatoni, muhammad Muhammad Nur Kholis Muhammad Nur Kholis Mustaghfirin, M Anis Nabilah Dita Anaqah Nadia Sasanti Naufal Salehtra Ghalib Ni Kadek Githa Kartika Gunadyani Nindyapuspa, Ayu Ni’matut Tamimah Noer Komari Nor Farida Novpi Susanto Nugraeni, Christine Dyta Nugraheni, Zjahra Vianita Nur Hayati Nur Hayati Nurjanah, Ana Nurkholis Hamidi Pieter Kakisina Ponti Almas Karamina Pramesti, Lely Pranowo Sidi Purnami Purwanto, Mochammad Puspitasari Puspitasari Rafi Akbar Heriyansyah Rahma Rahayu Dinarlita Rahmat Rosid Ratna Ediati Regie Santoso Reynaldi Aurel Fadiilah Rini Indarti RR. Ella Evrita Hestiandari Ruzain Rafie Sukma Putra Salsabila, Yofinta I Salsabilla, Shava Alifia Sarmoko Sarmoko Sa’diyah, Aminatus Sembiring, Rinawati Sinurat, David Fernando Sri Fatmawati Sugeng Triwahyono Sumardiono . Susan Susan Susana Chandra Susanna Ndraha Susi Agustina Wilujeng Susy Budi Astuti SUYATNO Suzanna Ndraha Syafiuddin Syafiuddin Syamsiar, Syamsiar Tamimah, Nimatut Taslim Ersam Taslim Ersam Umbara, Albert Wida Utomo, Agung Prasetyo Vanuella Tresnaning Budi Wati, First Ambar Wong Hendra Widjaja Yani Cahyo Susilo Yaqdhan Nufal Rafi Yatim Lailun Ni’mah Yuli Kusumawati Yuli Kusumawati Zainul Mujib Zulqurnain, Muhammad