대용량 액상 수소저장·운송 기술개발 현황

Liquid Chemical Hydrogen Storage and Transportation for High-Capacity and Long Distance Transportation

To mitigate the current energy and environmental problems, sustainable energy carriers alternative to fossil fuels are being explored continuously. Hydrogen has been recognized as a sustainable renewable energy carrier because of its high gravimetric energy storage density of ca. 33.3 kWh·kg-1. However, the low volumetric energy density of gaseous hydrogen limited its use for a number of different energy applications particularly associated with high-capacity and long distance hydrogen transportation. In the regard, a safe and efficient hydrogen storage system that enables to transport mass quantities of hydrogen in a liquid form has attracted significant attention. Promising candidate materials for the purpose include liquid organic hydrogen carriers (LOHCs) and ammonia (NH3). In the presentation, chemical hydrogen storage technology and its potential applications will be discussed.