http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
인공 태양열 집광장치를 이용한 Fe-CeO₂ 전이금속 화합물이 코팅된 세라믹 금속 산화물 반응체의 열화학 이단계 물분해 싸이클 및 수소 생산의 실험적 연구
조현석(Hyun-Seok Cho),사카이 유(Yu Sakai),고다마 타츠야(Tatsuya Kodama) 한국태양에너지학회 2021 한국태양에너지학회 논문집 Vol.41 No.4
A newly developed Fe-CeO₂-coated ceramic-foam device has been designed, fabricated, and tested for higher oxygen/hydrogen productivity in the thermochemical two-step water-splitting cycle. For the fabrication of the Fe-CeO₂-coated ceramic-foam device, the direct depositing method was adopted. This method, in which elemental Fe is doped into CeO₂ and this is coated onto the ceramic foam matrix surface, has advantages for the fabrication of reactive foam devices. In the synthesis of Fe-CeO₂, the degree of Fe doping was set at 10, 15, or 30 ㏖%, and the amount of Fe-CeO₂ loaded onto the foam matrix surface was fixed at 30 wt%. A 3㎾th sun-simulator was used as the heat source in the thermochemical two-step water-splitting cycle for hydrogen production. The thermal reduction step for releasing oxygen was conducted at an operating temperature of 1400℃ for 45 minutes, and the subsequent water-decomposition step for producing hydrogen was carried out at 1200℃ for 60 minutes. The performance of the newly developed Fe-CeO₂ foam device was compared with that of previously tested foam devices fabricated by the co-precipitation method and the spin-coating method.