Sustainable Materials for Fuel Cell Technologies offers a comprehensive look at the advancements, challenges, and future of sustainable materials in fuel cell technology, making it essential for anyone interested in the drive towards a cleaner energy future. The development of fuel cell technologies is driven by the growing demand for clean and sustainable energy solutions. The applications of fuel cells span a wide range of sectors, including transportation, stationary power generation, and portable electronics. The development of sustainable materials for fuel cells is crucial for overcoming the challenges that hinder the widespread adoption of this technology. These challenges include cost, durability, efficiency, and the use of precious metals in catalysts. Researchers and industries are actively working to address these challenges by developing new materials, improving manufacturing processes, and exploring innovative approaches such as using abundant and low-cost materials as catalysts. Overall, the field of sustainable materials for fuel cells is an exciting and rapidly evolving area of research and development. This book aims to provide a comprehensive understanding of the disciplinary and industry aspects of fuel cell technologies, highlighting the advancements, challenges, and future prospects of sustainable materials that are vital for driving the transition towards a more sustainable and clean energy future.