High-entropy catalyst lets ammonia fuel cell reach world-class power and durability
As ammonia gains attention as a next-generation energy source capable of overcoming the limits of hydrogen storage and transport, KAIST and a joint research team have developed fuel cell technology that directly uses ammonia ...
The research, with Dr. Dongyeon Kim of the Department of Mechanical Engineering at KAIST, researcher Dong Jae Park of the Korea Institute of Ceramic Engineering and Technology, and Dr. Incheol Jeong of the Korea Institute of Geoscience and Mineral Resources as co-first authors, was published in Nano-Micro Letters.
Ammonia is attracting attention as a next-generation hydrogen carrier because it is easy to store and transport in liquid form. It is also regarded as a representative carbon-free fuel because it consists only of nitrogen (N) and hydrogen (H), producing almost no carbon dioxide (CO₂) during power generation.
However, inside fuel cells, ammonia has caused problems by damaging nickel-based materials and slowing reaction rates, leading to performance degradation and shortened lifespan.
AI image: A next-generation fuel cell that generates electricity using ammonia (NH₃) as fuel. Credit: The Korea Advanced Institute of Science and Technology (KAIST)
AI-generated image of a high-entropy catalyst made by mixing multiple metallic elements. Credit: Nano-Micro Letters (2026). DOI: 10.1007/s40820-026-02194-9