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首页> 外文会议>Materials for energy conversion and storage >Microstructure Modification of NiO/YSZ Anode in Solid Oxide Fuel Cell by Particle Size Gradation of YSZ
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Microstructure Modification of NiO/YSZ Anode in Solid Oxide Fuel Cell by Particle Size Gradation of YSZ

机译：YSZ粒度分级法修饰固体氧化物燃料电池NiO / YSZ阳极的微观结构

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摘要

The idealized microstructure of NiO/YSZ anode of solid oxide fuel cell (SOFC) is that YSZ structures the bone of the anode and NiO is segregated by YSZ to keep Ni from congregation. To obtain this microstructure, the mixture of coarse YSZ and fine YSZ was used. The effect of the particle size gradation of YSZ on the microstructure of anode was studied. The results show that the homogenous microstructure can be obtained when the mass ratio of the coarse YSZ (d_(50)= 3.38μm) to the fine YSZ (d_(50) = 0.4μm) is 7:3. The pre-sintering temperature has obvious effect on the porosity of the NiO/YSZ. The bending strength of NiO/YSZ and Ni/YSZ are 123MPa and 85MPa, respectively. The reduction of NiO to Ni has less effect on the bending strength for 40vol%Ni/YSZ (7/3).
机译：固体氧化物燃料电池（SOFC）的NiO / YSZ阳极的理想微观结构是YSZ构成阳极的骨骼，而NiO被YSZ隔离以防止Ni聚集。为了获得该微结构，使用了粗YSZ和细YSZ的混合物。研究了YSZ粒度分级对阳极微观结构的影响。结果表明，当粗YSZ（d_（50）=3.38μm）与细YSZ（d_（50）=0.4μm）的质量比为7：3时，可以获得均匀的微观结构。预烧结温度对NiO / YSZ的孔隙率有明显的影响。 NiO / YSZ和Ni / YSZ的抗弯强度分别为123MPa和85MPa。 NiO还原为Ni对40vol％Ni / YSZ（7/3）的弯曲强度影响较小。

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  • 来源
  • 会议地点 Shenzhen(CN)
  • 作者

    Qibing Chang; Xia Wang; Jian-er Zhou; Yongqing Wang; Guangyao Meng; Xingqin Liu;

  • 作者单位

    College of Materials Science and Engineering, Jingdezhen Ceramic Institute, Jingdezhen 333001, China;

    College of Science and Art, Jingdezhen Ceramic Institute, Jingdezhen 333001, China;

    College of Materials Science and Engineering, Jingdezhen Ceramic Institute, Jingdezhen 333001, China;

    College of Materials Science and Engineering, Jingdezhen Ceramic Institute, Jingdezhen 333001, China;

    Department of Science and Engineering, University of Science and Technology of China, Hefei 230026, China;

    Department of Science and Engineering, University of Science and Technology of China, Hefei 230026, China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    solid oxide fuel cell; NI-YSZ anode; particle size gradation;

    机译：固体氧化物燃料电池NI-YSZ阳极；粒度等级;

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