The journal's special issue on Fuel Cells and Hydrogen Systems provides a comprehensive overview of the recent advancements, challenges, and applications in the field of fuel cells and hydrogen technologies. The collection of articles highlights the significance of these clean energy technologies in the transition towards a sustainable and low-carbon future.

The special issue covers a wide range of topics related to fuel cells, including proton exchange membrane fuel cells (PEMFCs), solid oxide fuel cells (SOFCs), direct methanol fuel cells (DMFCs), and alkaline fuel cells (AFCs). It explores various aspects of fuel cell design, materials, performance optimization, and durability enhancement. Researchers and engineers share their findings on novel catalysts, membrane materials, and electrode architectures, contributing to the improvement of fuel cell efficiency, cost-effectiveness, and commercial viability.

Additionally, the special issue delves into hydrogen production, storage, and utilization. It presents studies on hydrogen generation technologies such as electrolysis, reforming, and photocatalysis, shedding light on their efficiency, scalability, and environmental impact. The issue also addresses the challenges of hydrogen storage and distribution, discussing emerging methods and materials for safe and efficient hydrogen transportation.

Furthermore, the special issue explores the applications of fuel cells and hydrogen systems across various sectors, including transportation, stationary power generation, and portable devices. It showcases successful case studies and pilot projects, demonstrating the feasibility and benefits of integrating fuel cells and hydrogen technologies into different industries. The potential for fuel cells to drive decarbonization efforts in sectors like automotive, maritime, and aviation is also discussed.

Overall, this special issue provides a valuable platform for researchers, engineers, and policymakers to exchange knowledge and ideas regarding fuel cells and hydrogen systems. It offers insights into the latest advancements, challenges, and opportunities in the field, ultimately accelerating the development and deployment of these clean energy solutions and fostering a sustainable energy future.