화학공학소재연구정보센터
학회 한국공업화학회
학술대회 2019년 가을 (10/30 ~ 11/01, 제주국제컨벤션센터(ICC JEJU))
권호 23권 2호
발표분야 (무기재료) 하이브리드 소재 기반 차세대 수소 에너지 연구
제목 재생에너지 연계 알칼라인 수전해의 동적운전성 및 안정성 향상을 위한 다공성 분리막 개발
초록 The rapid expansion of renewable energy sources present a great challenge to balance the electric grid due to their intermittent and volatile nature. Alkaline water electrolysis can be operated in a dynamic mode using renewable energy sources on a large scale. The commercial porous separator Zirfon PERL exhibits a satisfactory performance. However it suffers from limited dynamic range of the electrolyzer. Therefore, it is necessary to develop a porous separator with reduced gas crossover. In this study, we synthesize a porous ZrO2/polysulfone composite separator via the film casting method. The synthesized composite separator shows a high bubble point, a low ionic resistance, and are reduced hydrogen permeability compared to that of Zirfon PERL separator. The enhanced performance of this separator is attributed to the reduced average pore size high surface wettability. This result will help an alkaline electrolyzer systems be operated as more controllable loads.
저자 조원철, 김창희, 조현석, 김상경
소속 한국에너지기술(연)
키워드 수전해; 수소; 저항; 분리막
E-Mail mizkee@kier.re.kr