Continuous hydrothermal flow synthesis of Gd-doped CeO2 (GDC) nanoparticles for inkjet printing of SOFC electrolytes

被引：13

作者：

Xu, Yu ^{[1
]}

Farandos, Nicholas ^{[2
]}

Rosa, Massimo ^{[1
]}

Zielke, Philipp ^{[1
]}

Esposito, Vincenzo ^{[1
]}

Hendriksen, Peter Vang ^{[1
]}

Jensen, Soren Hojgaard ^{[1
]}

Li, Tao ^{[2
]}

Kelsall, Geoffrey ^{[2
]}

Kiebach, Ragnar ^{[1
]}

机构：

[1] Tech Univ Denmark, Dept Energy Convers & Storage, Riso Campus, Roskilde, Denmark

[2] Imperial Coll London, Dept Chem Engn, London, England

来源：

INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY | 2018年 / 15卷 / 02期

关键词：

continuous flow synthesis; electrolyte; gadolinium-doped ceria; hydrothermal; inkjet printing; SOFC; solid oxide fuel cell; supercritical water; OXIDE FUEL-CELLS; SUPERCRITICAL WATER; CATHODE LAYER; IN-SITU; NANOMATERIALS; TEMPERATURE; SIZE; PERFORMANCE; PARTICLES; INTERFACE;

D O I：

10.1111/ijac.12845

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：

GdxCe1-xO2- (GDC) nanoparticles were synthesized, using continuous hydrothermal flow synthesis. By varying the synthesis conditions, particle size and morphology could be tailored. Here, particle sizes between 6 and 40 nm with polyhedral or octahedral shape could be obtained. Gd0.2Ce0.8O2- nanoparticles were further processed into inks for inkjet printing. Despite the small particle size/large surface area, inks with excellent printing behavior were formulated. For proof-of-concept, thin GDC layers were printed on a) green NiO-GDC substrates, and on b) presintered NiO-YSZ substrates. While no dense layers could be obtained on the green NiO-GDC substrates, GDC nanoparticles printed on NiO-YSZ substrates formed a dense continuous layer after firing at 1300 degrees C.

引用

页码：315 / 327

页数：13

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