Proton-conducting solid oxide fuel cell (SOFC) with Y-doped BaZrO3 electrolyte |
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| Institution: | 1. Institute of Materials for Energy and Environment, Growing Base for State Key Laboratory, College of Materials Science and Engineering, Qingdao University, Ningxia Road No.308, Qingdao 266071, China;2. Energy and Building Research Center, Kuwait Institute for Scienctific Research, Shuwaikh, Kuwait;3. Department of Chemistry, Indian Institute of Science Education and Research (IISER) Pune, Dr. Homi Bhabha Road, Pashan, Pune, 411008, India;1. Jiangsu Collaborative Innovation Center for Ecological Building Materials and Environmental Protection Equipments, Yancheng Institute of Technology, Yancheng 224051, China;2. Department for Management of Science and Technology Development, Ton Duc Thang University, Ho Chi Minh City, Vietnam;3. Faculty of Applied Sciences, Ton Duc Thang University, Ho Chi Minh City, Vietnam |
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| Abstract: | Y-doped BaZrO3 (BZY) electrolyte films are successfully fabricated by utilizing the driving force from the anode substrate, aiming to circumvent the refractory nature of BZY materials. The BZY electrolyte film on the high shrinkage anode becomes dense after sintering even though no sintering aid is added, while the BZY electrolyte remains porous on the conventional anode substrate after the same treatment. The resulting BZY electrolyte shows a high conductivity of 4.5 × 10− 3 S cm− 1 at 600 °C, which is 2 to 20 times higher than that for most of BZY electrolyte films in previous reports. In addition, the fuel cell with this BZY electrolyte generates a high power output of 267 mW cm− 2 at 600 °C. These results suggest the strategy presented in this study provides a promising way to prepare BZY electrolyte films for fuel cell applications. |
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