Breakthrough discovery: Korea's new method produces pure hydrogen without fossil fuelsKorean scientists revolutionize clean energy with ammonia decomposition method. Credit: scitechdaily.com

A Team of Scientists at the Korea Institute of Energy Research (KIER) Makes Groundbreaking Discovery in Clean Energy Production

Led by Dr. Jung Unho, the Hydrogen Research Department has developed a revolutionary method for producing high-purity hydrogen without the use of fossil fuels. This breakthrough has the potential to pave the way for a more sustainable and eco-friendly energy source.

The team's innovative approach utilizes ammonia decomposition, a process that separates hydrogen and nitrogen without emitting any carbon dioxide. Ammonia is a compound with a high hydrogen storage density, making it a cost-effective means of transporting hydrogen. It has been used in various industries for over a century, making it a practical solution for hydrogen storage and transportation challenges.

Unlike traditional methods that rely on fossil fuels for the decomposition process, the KIER team's method utilizes the residual gases of ammonia and hydrogen to produce heat energy. This eliminates the need for carbon-emitting fuels in the production of clean hydrogen.

To achieve the desired purity level of over 99.97%, the hydrogen is then purified using pressure swing adsorption (PSA) technology. The research team has successfully produced 5Nm3 of high-purity hydrogen per hour, meeting the international standards for hydrogen-fueled electric vehicles.

One of the most significant achievements of this research is the demonstration of a 1kW fuel cell system that generates electricity without emitting carbon dioxide. This system, developed in collaboration with Doosan Fuel Cell Power BU, has the potential to revolutionize the clean energy sector by utilizing hydrogen extracted from ammonia.

Dr. Jung Unho, the lead researcher, emphasizes the significance of this technology in enabling carbon-free hydrogen production and its potential for various applications. In particular, he highlights the possibility of using ammonia and fuel cells in eco-friendly ships, as well as its potential for scaling up in the clean hydrogen power sector.

This research was made possible with the support of Korea Southern Power Co., Ltd. (KOSPO), further demonstrating the importance of collaboration in advancing sustainable energy solutions. With this new clean hydrogen production technology, Korea is making significant strides towards a greener and more sustainable future.

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