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作 者:赵秉国 刘亚迪 胡浩然 张扬军[1] 曾泽智 Bingguo Zhao;Yadi Liu;Haoran Hu;Yangjun Zhang;Zezhi Zeng(State Key Laboratory of Automotive Safety and Energy,Tsinghua University,Beijing 100084,China;Beijing Swift New Energy Technologies Co.,Ltd,Beijing 100192,China)
机构地区:[1]清华大学汽车安全与节能国家重点实验室,北京100084 [2]北京思伟特新能源科技有限公司,北京100192
出 处:《化学进展》2023年第5期794-806,共13页Progress in Chemistry
基 金:先进航空动力创新工作站项目和清华大学自主科研计划课题资助。
摘 要:固体氧化物燃料电池(SOFCs)是一种高效、清洁的全固态能量转化装置,但过高的工作温度(700~900℃)限制了其使用范围和寿命,SOFC中低温化已成为当前研究热点。制备超薄电解质(厚度<10μm)可缩短氧离子传导路径,有效降低欧姆损耗并提升中低温SOFC输出功率。电泳沉积工艺因其成本低、制备速度快等优势,极具大规模商业化生产电解质薄膜的潜力。本文归纳了近十年来电泳沉积工艺在SOFC电解质薄膜生产中的研究进展,并针对电泳沉积过程中的基体选择及预处理、稳定悬浮液制备、气泡消除及热处理过程等瓶颈问题展开讨论。结合大规模商业化薄膜制备应用的需求分析,给出了电泳沉积工艺未来研究方向的建议。Solid oxide fuel cells(SOFCs)are power generation devices with high efficiency and low emissions.The high operating temperature(700~900℃)has impeded the wider adoption of SOFC stacks and limited their lifetime.This has motivated intense research efforts in developing SOFC stacks which can operate at lower temperatures.The thin electrolytes with a thickness smaller than 10μm could shorten the ion conductive paths and reduce the associated ohmic loss,effectively improving the electrical performance of the low-temperature SOFC.The electrophoretic deposition process has the advantages of low cost and fast manufacturing speed.It is a potential candidate for large-scale commercial production of electrolyte thin films for low-temperature SOFC.In the present article,the research progress of electrophoretic deposition during the past ten years has been summarized.The key results and achievements for the important procedures of the electrophoretic deposition process,which are respectively substrate selection and pretreatment,stable suspension preparation,bubble elimination and heat treatment process,are also discussed and analyzed.The suggestions for future development of the electrophoretic deposition are also provided based on the requirements of large-scale commercialization of thin electrolyte for low-temperature SOFC.
关 键 词:电泳沉积法 致密 电解质薄膜 中低温 固体氧化物燃料电池
分 类 号:TM911.4[电气工程—电力电子与电力传动]
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