| 초록 |
Hydrogen economy is attracting attention as a promising energy system to solve global environmental problems by using hydrogen as an energy carrier. However, the physical properties of hydrogen make its use difficult, especially in the storage and transportation of hydrogen. A liquid organic hydrogen carrier (LOHC) system has been reported as one of the solutions to this problem because hydrogen can be stored at ambient conditions for long periods of time in the LOHC. Because the LOHC system is based on repeated hydrogenation-dehydrogenation cycles, it is recommended to develop a single catalyst with high activity for both reactions to reduce operating costs. In this study, a defective porous titanate was synthesized and applied as a catalyst support for a Pd catalyst. The Pd supported porous titanate catalyst enhanced activity of both hydrogenation and dehydrogenation in N-methylindole based LOHC system. The surface properties of the synthesized titanates provide a complementary site for the Pd metal, enabling a reversible catalytic cycle for hydrogen storage. |
