Spray coating of dense proton-conducting BaCe0.7Zr0.1Y0.2O3 electrolyte for low temperature solid oxide fuel cells

被引：23
作者：
Fan, Liangdong [1 ,2 ,3 ]
Xie, Hanlin [1 ]
Su, Pei-Chen [1 ]
机构：
[1] Nanyang Technol Univ, Sch Mech & Aerosp Engn, 50 Nanyang Ave, Singapore 639798, Singapore
[2] Shenzhen Univ, Coll Chem & Chem Engn, Shenzhen Key Lab New Lithium Ion Batteries & Meso, Shenzhen 518060, Guangdong, Peoples R China
[3] Hubei Univ, Fac Phys & Elect Sci, Wuhan 430062, Peoples R China
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2016年 / 41卷 / 15期
基金：
中国国家自然科学基金; 新加坡国家研究基金会;
关键词：
Low temperature solid oxide fuel cell; Proton conductor; Spray coating; Sintering aids; HIGH-PERFORMANCE; TRANSPORT-PROPERTIES; MEMBRANE; SOFCS; FABRICATION; CATHODE; LAYER; FILMS;
D O I：
10.1016/j.ijhydene.2016.03.001
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In this work, we report the spray coating, a simple and effective method, to prepare proton conducting BaCe0.7Zr0.1Y0.2O3 (BCZY) membranes on the pre-annealed porous anode substrates. The effects of sintering temperature on the electrolyte membrane and anode microstructure, proton conductivities of the resulted thin films, and their fuel cell performances in H-2/air were investigated. Dense BCZY membranes with improved anode microstructure and good proton conductivity have been successfully obtained at reduced temperature using ZnO sintering aid. SOFCs using spray-coated electrolyte thin films gave a stable OCV value of 1.03 V and a maximum power density of 362 mW cm(-2) at 650 degrees C when operated using hydrogen as fuel and air as the oxidant. Copyright (C) 2016, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：6516 / 6525
页数：10
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