A novel protonic ceramic fuel cell with SrSn0.8Sc0.2O3-δ electrolyte

被引：6
作者：
Zhou, Xingkai [1 ]
Shi, Bochang [1 ]
Yu, Xiaole [1 ]
Mi, Yaowei [1 ]
Wu, Bangze [1 ]
Yu, Zhexiang [1 ]
Chen, Han [1 ]
Zheng, Yifeng [1 ]
Ge, Lin [1 ]
机构：
[1] Nanjing Tech Univ, Coll Mat Sci & Engn, 30 Puzhu Rd, Nanjing 211816, Jiangsu, Peoples R China
来源：
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2024年 / 44卷 / 10期
基金：
中国国家自然科学基金;
关键词：
Proton-conducting ceramic fuel cells (PCFCs); SrSnO3; Perovskite; Cathode materials; Chemical compatibility; HIGH-PERFORMANCE; DRT ANALYSIS; OXIDE; CATHODE; OPTIMIZATION; PEROVSKITES; SR;
D O I：
10.1016/j.jeurceramsoc.2024.03.055
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The recent discovery of SrSn0.8Sc0.2O3-delta (SSS) perovskite oxide as a promising proton-conducting material has generated interest in its potential application in electrochemical devices as PCFCs. This study assesses the feasibility of SSS in PCFCs by its stability, density, chemical compatibility, and electrochemical performance. The study demonstrated the favorable stability of SSS even after reduction at 800 degrees C under H-2 for 24 h as well as immersion in boiling water for 5 h. The relative density of SSS could easily exceed 94% after sintering with NiO aid at 1400 degrees C. The chemical compatibility and electrochemical performance of SSS were investigated with various electrode materials. The BaCo0.4Fe0.4Zr0.1Y0.1O3-delta exhibited relatively better electrochemical performance with SSS. The electrolyte was co-sintered with a Ni-based anode substrate and densified to high density at 1450 degrees C without sintering aids. The fuel cell utilizing an anode-supported Ni-SSS vertical bar SSS vertical bar BCFZY-SSS configuration exhibited a peak power density of 432.1 mW cm(-2) at 800 degrees C.
引用
收藏
页码：5814 / 5822
页数：9
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