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首页> 外文期刊>CERAMICS INTERNATIONAL >Fabrication of Y-doped barium cerium zirconate thin films by electrostatic spray deposition technique for protonic ceramic fuel cell application
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Fabrication of Y-doped barium cerium zirconate thin films by electrostatic spray deposition technique for protonic ceramic fuel cell application

机译：静电喷雾沉积技术制备质子陶瓷燃料电池用掺Y锆酸钡钡薄膜

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摘要

This study aims to fabricate BaCe_(0.4)Zr_(0.4)Y_(0.2)O_(3-δ) (BCZY) thin film by electrostatic spray deposition (ESD) technique. Effects of ESD parameters, i.e. type of precursor, substrate temperature, applied voltage, nozzle-to-substrate distance and flow rate, were systematically studied and optimized for acquiring dense and crack-free as-deposited thin films. The half-cells of protonic ceramic fuel cell (PCFC) were subsequently fabricated by electro-depositing and co-sintering BCZY thin film electrolytes on the 60 wt% NiO-40 wt% BCZY anode substrates. Since dense BCZY films could not be attained on bare NiO-BCZY anode substrates, the anode functional layers (AFLs) with lower mass fractions of NiO: BCZY at 10:90, 30:70 and 50:50 was co-pressed on top of NiO-BCZY anode substrates. After co-sintering at 1500 °C for 10 h in air, the increasing BCZY film density was observed in the following order: AFL50:50 < AFL30:70 < AFL10:90. The PCFC half-cell with dense BCZY film on AFL 10:90 anode was then achieved, thus confirming the potential application of the ESD technique for the thin-film PCFC application.
机译：本研究旨在通过静电喷涂技术制备BaCe_（0.4）Zr_（0.4）Y_（0.2）O_（3-δ）（BCZY）薄膜。为了获得致密且无裂纹的沉积薄膜，系统地研究并优化了ESD参数的影响，即前驱体的类型，基板温度，施加的电压，喷嘴到基板的距离和流速。随后通过在60 wt％NiO-40 wt％BCZY阳极基板上电沉积和共烧结BCZY薄膜电解质来制造质子陶瓷燃料电池（PCFC）的半电池。由于在裸露的NiO-BCZY阳极基板上无法获得致密的BCZY膜，因此将NiO：BCZY的质量分数较低的阳极功能层（AFL）分别压在10：90、30：70和50:50上NiO-BCZY阳极基板。在空气中于1500°C共烧结10 h后，按以下顺序观察到BCZY膜密度的增加：AFL50：50

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