金属学报  2012, Vol. 48 Issue (5): 587-592    DOI: 10.3724/SP.J.1037.2012.00097

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三层共烧制备LaCrO3基连接体/复合阳极/YSZ电解质的研究

王松林1,2,凤仪2,王东生1,王泾文1

1. 铜陵学院机械工程系, 铜陵 2. 合肥工业大学材料科学与工程学院, 合肥 230009

THREE-LAYER CO-FIRING FABRICATION OF LaCrO3-BASED CERAMIC INTERCONNECT, COMPOSITE ANODE SUPPORT AND YSZ ELECTROLYTE

WANG Songlin 1,2, FENG Yi2, WANG Dongsheng1, WANG Jingwen1

1. Department of Mechanical Engineering, Tongling University, Tongling 244061 2. Department of Materials Science and Engineering, Hefei University of Technology, Hefei 230009

王松林,凤仪,王东生,王泾文. 三层共烧制备LaCrO₃基连接体/复合阳极/YSZ电解质的研究[J]. 金属学报, 2012, 48(5): 587-592.
, , , . THREE-LAYER CO-FIRING FABRICATION OF LaCrO₃-BASED CERAMIC INTERCONNECT, COMPOSITE ANODE SUPPORT AND YSZ ELECTROLYTE[J]. Acta Metall Sin, 2012, 48(5): 587-592.

摘要 参考文献 相关文章 Metrics 全文: PDF(2736 KB)   摘要: 将La0.7Ca0.3Cr0.97O3-δ (LCC)连接材料引入到NiO/YSZ阳极中, 制备NiO/YSZ/LCC 三相复合阳极, 并进行烧结特性、微观结构、电导率、热膨胀系数等性能对比测试. 结果表明, NiO/YSZ/LCC新型复合阳极具有优良的综合性能. 采用浆料浸渍法在NiO/YSZ/LCC阳极支撑体两个表面上分别制备LCC和YSZ湿膜, 1400℃空气条件下三层共烧4 h后, 获得致密LCC连接体和YSZ电解质薄膜. 关键词 ： 陶瓷连接材料,  薄膜,  三层共烧,  固体氧化物燃料电池     Abstract：Developing cost-effective methods to prepare dense ceramic interconnect membrane for solid oxide fuel cell (SOFC) stacks is currently considered as a major technical obstacle. In order to improve the co-firing compatibility of LaCrO3-based interconnects with the traditional YSZ-based SOFC anode support NiO/YSZ, interconnect material of  La0.7Ca0.3Cr0.97O3-δ(LCC) was introduced to NiO/YSZ anode. Triple-phase composite NiO/YSZ/LCC was prepared, and then examined as novel anode support. Sintering character, microstructure, electrical conductivity, and thermal expansion coefficient of the composite anode were investigated in detail as a function of LCC addition, respectively. Results indicated that the NiO/YSZ/LCC composite anode had excellent overall performance. Furthermore, by using a simple drop-coating process, LCC and YSZ wet membranes were prepared on the opposite surfaces of NiO/YSZ/LCC support, respectively. Followed by three-layer co-firing at 1400℃ in air for 4 h, dense La0.7Ca0.3Cr0.97O3-δ interconnect and YSZ electrolyte thin membranes were both successfully prepared on the porous NiO/YSZ/LCC anode support. This work presents a simple drop-coating/three-layer co-firing technical route for developing dense interconnect and electrolyte membranes for YSZ-based SOFC stacks. Key words： ceramic interconnect    thin membrane    three-layer co-firing    solid oxide fuel cell (SOFC) 收稿日期: 2012-02-24      ZTFLH:  O611.6   基金资助: 国家自然科学基金项目21171131, 安徽省自然科学基金项目1208085QE84, 安徽省高等学校省级优秀青年人才基金重点项目 作者简介: 王松林, 男, 1973年生, 讲师, 博士 服务 把本文推荐给朋友 加入引用管理器 E-mail Alert RSS 作者相关文章 王松林 凤仪 王东生 王泾文 44.8K 链接本文: https://www.ams.org.cn/CN/10.3724/SP.J.1037.2012.00097      或      https://www.ams.org.cn/CN/Y2012/V48/I5/587 [1] Hua B, Zhang J F, Lu F S, Kong Y H, Pu J, Li J.  Acta Metall Sin, 2009; 45: 605     (华 斌, 张建福, 卢凤双, 孔永红, 蒲 健, 李 箭. 金属学报, 2009; 45: 605) [2] Kyung J Y, Stevenson J W, Marina O A.  J Power Sources, 2011; 196: 8531 [3] Zhu W Z, Deevi S C.  Mater Sci Eng, 2003; A348: 227 [4] Lu M F, Tsipis E V, Waerenborgh J C, Yaremchenko A A, Kolotygin V A, Bredikhin S, Kharton V V. 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