Development of NiO-GDC Anode by Atmospheric Plasma Spraying for Metal-Supported SOFCs

IF 3.2 3区材料科学 Q2 MATERIALS SCIENCE, COATINGS & FILMS

Journal of Thermal Spray Technology Pub Date : 2024-11-27 DOI:10.1007/s11666-024-01861-w

Guo Yu, Song Chen, Liu Min, Wen Kui, Liu Taikai, Zhu Liangzhu, Mao Jie, Zhang Xiaofeng, Deng Chunming, Deng Changguang, Liao Hanlin

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Abstract

Atmospheric plasma spraying (APS) is an attractive method for metal-supported solid oxide fuel cells (MS-SOFCs). In this study, NiO-Gd_0.2Ce_0.8O_1.9 anodes are fabricated by APS. Different spraying distances of 80-120 mm are adopted to investigate the effect on the microstructures and properties of anode coatings. The temperature, velocity and deposition morphology of the anode particles indicate that at a suitable spray distance of 100 mm, the anode particles are fully melted and accelerated under the plasma jet to form an optimal anode coating on the substrate. As a result, the full cell based on the 100-mm anode coating shows a maximum output power density of 940.45 mW/cm² and an open-circuit voltage of 1 V at 800 °C. The polarization resistance of the cell is 0.234 Ω·cm². It demonstrates that controlling the APS spraying distance can effectively adjust the anode deposition state and obtain high-performance MS-SOFCs.

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金属负载sofc用大气等离子喷涂NiO-GDC阳极的研制

大气等离子喷涂（APS）是金属支撑固体氧化物燃料电池（MS-SOFCs）的一种极具吸引力的制备方法。本研究采用APS法制备了NiO-Gd0.2Ce0.8O1.9阳极。采用80 ~ 120 mm不同的喷涂距离，研究了喷涂距离对阳极镀层组织和性能的影响。阳极颗粒的温度、速度和沉积形貌表明，在合适的喷射距离为100 mm时，阳极颗粒在等离子体喷射下完全熔化并加速，在基体上形成最佳的阳极涂层。结果表明，基于100 mm阳极涂层的全电池在800℃下的最大输出功率密度为940.45 mW/cm2，开路电压为1 V。电池的极化电阻为0.234 Ω·cm2。结果表明，控制APS喷涂距离可以有效调节阳极沉积状态，获得高性能的MS-SOFCs。

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来源期刊

Journal of Thermal Spray Technology 工程技术-材料科学：膜

CiteScore

5.20

自引率

25.80%

发文量

198

审稿时长

2.6 months

期刊介绍： From the scientific to the practical, stay on top of advances in this fast-growing coating technology with ASM International''s Journal of Thermal Spray Technology. Critically reviewed scientific papers and engineering articles combine the best of new research with the latest applications and problem solving. A service of the ASM Thermal Spray Society (TSS), the Journal of Thermal Spray Technology covers all fundamental and practical aspects of thermal spray science, including processes, feedstock manufacture, and testing and characterization. The journal contains worldwide coverage of the latest research, products, equipment and process developments, and includes technical note case studies from real-time applications and in-depth topical reviews.