| 초록 |
URFC has received substantial attention forzero-emission grid-off energy system due to its high energy density andscalability, utilizing renew renewable energy source. Nevertheless, the poorwater management of hydrophilic Ti PTL, especially in fuel cell mode and thelack of alternatives has hindered widespread exploration of URFC. Here, we reportsfabrication strategy for amphiphilic Ti PTL to improve water management, realizinghigh performance URFC. The amphiphilic property of Ti PTL was obtained by depositionof self-assembled monolayer (SAM) followed by in-situ patterning method. Thecurrent fluctuation of URFC in fuel cell mode is significantly suppressed in fuelcell mode based on the constant electrode operation without sacrificing performancein water electrolysis mode. The amphiphilic property of Ti PTL was also optimizedby varying SAM layer and pattern design, obtaining significantly improvedround-trip efficiency compared to URFC using bare Ti PTL. |
