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281 / 2020-10-10 08:23:36
等离子喷涂制备固体氧化物燃料电池电解质涂层
gadolinia-doped ceria coating; atmospheric plasma spray; microstructure; electrical property
能源材料表面工程及应用技术论坛
全文录用
ChenSONG / The Key Lab of Guangdong for Modern Surface Engineering Technology, National Engineering Laboratory for Modern Materials Surface Engineering Technology, Institute of New Materials, Guangdong Acadamy of Sciences, Guangzhou 510651, China.
TaikaiLIU / The Key Lab of Guangdong for Modern Surface Engineering Technology, National Engineering Laboratory for Modern Materials Surface Engineering Technology, Institute of New Materials, Guangdong Acadamy of Sciences, Guangzhou 510651, China.
ZiqianDENG / The Key Lab of Guangdong for Modern Surface Engineering Technology, National Engineering Laboratory for Modern Materials Surface Engineering Technology, Institute of New Materials, Guangdong Acadamy of Sciences, Guangzhou 510651, China.
YapengZHANG / The Key Lab of Guangdong for Modern Surface Engineering Technology, National Engineering Laboratory for Modern Materials Surface Engineering Technology, Institute of New Materials, Guangdong Acadamy of Sciences, Guangzhou 510651, China.
MinLIU / The Key Lab of Guangdong for Modern Surface Engineering Technology, National Engineering Laboratory for Modern Materials Surface Engineering Technology, Institute of New Materials, Guangdong Acadamy of Sciences, Guangzhou 510651, China.
KesongZHOU / The Key Lab of Guangdong for Modern Surface Engineering Technology, National Engineering Laboratory for Modern Materials Surface Engineering Technology, Institute of New Materials, Guangdong Acadamy of Sciences, Guangzhou 510651, China.
Atmospheric plasma spraying (APS) was applied to deposit Gd0.2Ce0.8O1.9 (20GDC) coatings by using different H2 flow rates (3-12 l/min), which aimed to explore the effect of H2 flow rates on the powder melting and coating characteristics. The results showed that with increasing H2 flow rates, the deposition state of 20GDC powder was changed from solid-liquid co-deposition to liquid deposition. Using a 6 l/min H2 flow rate could obtain the best coating with a moderate melting degree, proper impact velocity, and cooling speed. Therefore, the as-sprayed coating possessed the lowest porosity of 7.1%, the highest electrical conductivity (29.3 mS/cm at 750℃), and the best output performance of NiO+GDC/GDC/Silver cell (196 mW/cm2 at 700℃).

 
重要日期

  • 会议日期

    11月13日

    2020

    至

    11月16日

    2020

  • 10月31日 2020

    提前注册日期

  • 11月05日 2020

    初稿截稿日期

  • 11月16日 2020

    注册截止日期

主办单位
中国机械工程学会表面工程分会
承办单位
广东省新材料研究所
北京大学深圳研究生院
现代材料表面工程技术国家工程实验室
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