화학공학소재연구정보센터
학회 한국공업화학회
학술대회 2014년 가을 (11/12 ~ 11/14, 엑스코(대구))
권호 18권 2호
발표분야 (여성위원회) WISET 젊은여성연구자상
제목 Characteristics of nano-sized perovskite structured LaSrMn derived from hydrothermally synthesized amorphous LaSrMn oxide powder
초록 Nano-sized and spherical shaped LaSrMn oxide particle was synthesized by thermal treatment at 900 °C for 3 h after hydrothermally treatment at 200 °C for 8 h, and characterized to be applied as a cathode material in solid oxide fuel cells. A spherical LSM nano-particle with sizes ranging from 100 to 120 nm was shown in SEM image and particle size distribution. For an application to SOFC anode, the ionic conductivities of LSM/ commercial YSZ pellets with various compositions were higher according to LSM amount, and these increased with testing temperatures. The pellets of five types composed of x-wt% LSM synthesized and commercial y-wt% YSZ were manufactured and pre-sintered. Their ionic conductivities were enhanced responding to LSM concentrations, and it was the highest in 8LSM:2YSZ showing 74.0 Scm-1.
저자 강소라1, 곽병섭1, 최병현2, 박선민2, 지미정2, 강미숙1
소속 1영남대, 2한국세라믹기술원
키워드 LaSrMn; solid oxide fuel cells
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