Guest Editors
Prof. Dr. Kumaran Kadirgama
Email: kumaran@umpsa.edu.my
Affiliation: Faculty of Mechanical & Automotive Engineering Technology, Universiti Malaysia Pahang Al-Sultan Abdullah, Pekan, Malaysia
Homepage:
Research Interests: hydrogen energy, nanofluid, heat transfer, machining, nano lubricant, advanced sustainable material

Assist. Prof. Clint K S
Email: pkz24008@adab.umpsa.edu.my
Affiliation: Faculty of Mechanical & Automotive Engineering Technology, Universiti Malaysia Pahang Al-Sultan Abdullah, Pekan, Malaysia
Homepage:
Research Interests: hydrogen energy, nanofluid, heat transfer, nano coolants, advanced sustainable material

Summary
This Special Issue aims to provide a comprehensive platform for the dissemination of cutting-edge research and technological advancements in hydrogen energy systems, with particular emphasis on hydrogen production, storage, conversion, integration, and sustainability. As hydrogen emerges as a critical vector in global decarbonization strategies and energy transition frameworks, this issue seeks to address the engineering challenges and opportunities associated with large-scale hydrogen deployment across power generation, transportation, industrial processes, and integrated energy systems.
This Special Issue welcomes high-quality manuscripts addressing theoretical, experimental, computational, and techno-economic studies related to hydrogen energy and storage, including but not limited to the following areas:
- Green and Low-Carbon Hydrogen Production Technologies
- Photocatalytic and Solar-Driven Hydrogen Systems
- Hydrogen Storage Materials and Technologies
- Chemical Hydrogen Carriers and Power-to-X Pathways
- Hydrogen Combustion and Engine Applications
- Hydrogen Fuel Cells and Electrochemical Energy Conversion
- Hydrogen-Based Power Generation and Turbine Systems
- Thermal Management in Hydrogen Systems
- Hydrogen Infrastructure and Transmission Networks
- Hydrogen Blending and Sector Coupling
- Smart and Integrated Hydrogen Energy Systems
- Materials Durability and Hydrogen Embrittlement
- Hydrogen Safety, Risk Assessment, and Standards
- Techno-Economic and Life Cycle Assessment of Hydrogen Systems
- Hydrogen Policy, Strategy, and Energy Transition Frameworks
Keywords
hydrogen energy, green hydrogen, water electrolysis, hydrogen storage, solid-state hydrogen storage, hydrogen fuel cells, hydrogen combustion, power-to-X, techno-economic analysis, life cycle assessment (LCA)