无机材料学报2025，Vol.40Issue(7)：765-771,7.DOI:10.15541/jim20240498
直接组装法制备氧化铈基金属支撑固体氧化物燃料电池
Preparation of Ceria Based Metal-supported Solid Oxide Fuel Cells by Direct Assembly Method
摘要
Abstract
Traditional metal-supported solid oxide fuel cells(MS-SOFCs)typically utilize yttria stabilized zirconia(YSZ)as the electrolyte with operating temperature of about 800℃.In order to enable MS-SOFC to serve at low temperature,this study used gadolinium doped ceria(GDC),which exhibits higher conductivity at lower temperature,as the electrolyte to facilitate the practical application of MS-SOFC.Tape casting was employed to fabricate thin-film anodes(NiO-GDC)and electrolytes(GDC),while ultrasonic spraying was used to prepare the cathode material La0.6Sr0.4Co0.2Fe0.8O3-δ(LSCF)-GDC.The resulting components were assembled onto a metal support to construct an MS-SOFC with a thin-film GDC electrolyte,and its electrochemical performance was evaluated.At 650℃,the total impedance of the cell was 0.50 Ω·cm2,with Ohmic impedance of 0.23 Ω·cm2 and polarization impedance of 0.27 Ω·cm2,and the maximum power density was 336 mW/cm2.The cell was operated at 550℃under a constant voltage of 0.5 V for 100 h without significant degradation.Its electrolyte and anode,which were prepared by warm isostatic pressing and co-sintering,were tightly bonded.After long-term operation,no delamination between layers of the cell was observed,indicating that structural stability ensured the long-term stability of the MS-SOFC.MS-SOFCs in this study prepared via a process route combining tape casting,warm isostatic pressing,and direct assembly,displayed excellent electrochemical performance and long-term stability,providing a new approach for industrial production of low-temperature SOFCs.关键词
金属支撑固体氧化物燃料电池/流延法/钆掺杂氧化铈Key words
metal-supported solid oxide fuel cell/tape casting/gadolinium doped ceria分类
化学化工引用本文复制引用
柴润宇,张镇,王孟龙,夏长荣..直接组装法制备氧化铈基金属支撑固体氧化物燃料电池[J].无机材料学报,2025,40(7):765-771,7.基金项目
中国科学技术大学先进技术研究院-安徽壹石通材料科技股份有限公司固体氧化物燃料电池联合实验室项目(JL07223001H)Research Program of the Joint Laboratory of the Institute of Advanced Technology,University of Science and Technology of China and the Anhui Estone Materials Technology Co.,Ltd.(JL07223001H) （JL07223001H）
