固体氧化物燃料电池Cu-LSCM-CeO2/LSCM-YSZ/Ni-ScSZ复合阳极制备及性能

doi:10.13208/j.electrochem.131129

电化学（中英文） ›› 2014, Vol. 20 ›› Issue (5): 470-475. doi: 10.13208/j.electrochem.131129

固体氧化物燃料电池Cu-LSCM-CeO₂/LSCM-YSZ/Ni-ScSZ复合阳极制备及性能

吕尧，黄波*，顾习之，候春一，胡一星，王晓颖，朱新坚

上海交通大学机械与动力工程学院燃料电池研究所，上海 200240

收稿日期:2013-11-29 修回日期:2014-02-18 出版日期:2014-10-28 发布日期:2014-02-23
通讯作者: 黄波 E-mail:huangbo2k@hotmail.com
基金资助:
国家自然科学基金项目（No. 51201098）资助

Fabrication and Characterization of the Ni-ScSZ Composite Anodes with a Cu-LSCM-CeO₂ Catalyst Layer in the Thin Film SOFC

LV Yao, HUANG Bo*, GU Xi-zhi, HOU Chun-yi, HU Yi-xing, WANG Xiao-yin, ZHU Xin-jian

Institute of Fuel Cell, School of Mechanical Engineering, Shanghai Jiaotong University, Shanghai 200240, China

Received:2013-11-29 Revised:2014-02-18 Published:2014-10-28 Online:2014-02-23
Contact: HUANG Bo E-mail:huangbo2k@hotmail.com

摘要/Abstract

摘要： 采用流延法制得LSCM-YSZ阳极支撑层/Ni-ScSZ阳极活性层/ScSZ电解质层复合膜，在LSCM-YSZ支撑层上印刷一层Cu-LSCM-CeO₂阳极催化层，即Cu-LSCM-CeO₂/LSCM-YSZ/Ni-ScSZ功能梯度层阳极. 研究表明，Cu/LSCM/CeO₂质量配比为2:7:1功能梯度阳极（LSCM-YSZ2010）有较好的性能，单电池以氢气和乙醇为燃料（750 ^oC）最大功率密度分别为511和390 mW?cm^-2，单电池稳定性实验表明，LSCM-YSZ2010阳极单电池以乙醇为燃料750 ^oC长时间运行218 h，性能稳定. X-射线能量散射分析表明该阳极具有较好的抗碳沉积性能.

关键词: 固体氧化物燃料电池（SOFC）, 催化层, 碳沉积, 阻抗谱, 电化学性能

Abstract: Solid oxide fuel cell (SOFC) directly operating on hydrocarbon without external reforming has the potential of greatly speeding up the application of SOFCs for transportation. In this paper, a three-layer structure anode was fabricated by tape casting and screen printing method. The addition of Cu-LSCM-CeO₂ to the supported anode surface presented better performance running on H₂ and ethanol. The maximum power densities were 511 and 390 mW?cm^-2, respectively, running on H₂ and ethanol at 750 °C. No significant degradation was observed on the anode. Consequently, the Cu-LSCM-CeO₂ catalyst layer on the surface of the LSCM-YSZ support layer makes it possible to have good stability for long-term operation in ethanol fuel due to free carbon deposition.

Key words: solid oxide fuel cell, catalyst layer, carbon deposit, impedance spectra, electrochemical performance

中图分类号:

TM911

吕尧，黄波*，顾习之，候春一，胡一星，王晓颖，朱新坚. 固体氧化物燃料电池Cu-LSCM-CeO₂/LSCM-YSZ/Ni-ScSZ复合阳极制备及性能[J]. 电化学（中英文）, 2014, 20(5): 470-475.

LV Yao, HUANG Bo*, GU Xi-zhi, HOU Chun-yi, HU Yi-xing, WANG Xiao-yin, ZHU Xin-jian. Fabrication and Characterization of the Ni-ScSZ Composite Anodes with a Cu-LSCM-CeO₂ Catalyst Layer in the Thin Film SOFC[J]. Journal of Electrochemistry, 2014, 20(5): 470-475.

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固体氧化物燃料电池Cu-LSCM-CeO₂/LSCM-YSZ/Ni-ScSZ复合阳极制备及性能

Fabrication and Characterization of the Ni-ScSZ Composite Anodes with a Cu-LSCM-CeO₂ Catalyst Layer in the Thin Film SOFC

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