Korea, Republic of
Hydrogen-Based Solutions for Enhancing Frequency Stability in Renewable Energy-Integrated Power Systems
Mar 2025
Publication
With the increasing adoption of renewable energy sources such as solar and wind power it is essential to achieve carbon neutrality. However several shortcomings including their intermittence pose significant challenges to the stability of the electrical grid. This study explores hydrogen-based technologies such as fuel cells and water electrolysis systems as an effective solution to improve frequency stability and address the problems of power grid rel Read More
Technical–Economic Analysis for Ammonia Ocean Transportation Using an Ammonia-Fueled Carrier
Jan 2024
Publication
This study performed a technical–economic analysis for ship-based ammonia transportation to investigate the feasibility of international ammonia transportation. Ammonia is considered to be a vital hydrogen carrier so the international trade in ammonia by ship will considerably increase in the future. This study proposed three scenarios for transporting ammonia from the USA Saudi Arabia and Australia to South Korea and employed an 84000 Read More
Economic Study of Hybrid Power System Using Boil-off Hydrogen for Liquid Hydrogen Carriers
Mar 2024
Publication
This study presents a hybrid power system comprising a fuel cell (FC) and a lithium-ion battery (LIB) for liquid hydrogen (LH2) carriers which is expected to increase globally due to the production cost gap of green hydrogen between renewable-rich and renewable-poor countries. The LH2 carrier has a key challenge in handling the inevitably considerable boil-off hydrogen (BOH). As a target ship of a 50000 m3 LH2 carrier with a boil-off rate (BOR) of 0 Read More
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