PDF/月刊誌論文/code:pg_1103_06 マテリアル インテグレーション 2011年3月号
ELECTRONIC CERAMICS グリーンイノベーションを支える産総研の電子セラミックス研究

SOFCの性能向上に向けた開発
■著者
独立行政法人　産業技術総合研究所　エネルギー技術研究部門燃料電池材料グループ 堀田 照久

■要約
The improvements of performance and durability of SOFCs are important issues for the commercialization of SOFC systems. The fuel cell materials group at AIST participates in the NEDO project, ``Development of SOFC system and elemental technology", and it is especially involved in the ``Fundamental Research for Improvement of Durability". In this paper, some analytical methods are introduced for improving the durability of SOFC cell and stacks. Recent results of degradation and reaction mechanisms are shown especially on the following topics: i) Cr poisoning mechanism of (La,Sr)MnO3 cathode and ii) visualization of oxygen ionization and diffusion at the active interfaces of practical flatten tube cells. These data will give important information for the improvements of performance and durability of SOFC materials.