Effect of Gun Current on Electrical Properties of Atmospheric Plasma-Sprayed Lanthanum Silicate Coatings

被引：1
|
作者：
Gao, Wei [1 ]
Liao, Han-Lin [2 ]
Coddet, Christian [2 ]
机构：
[1] Jilin Univ, State Key Lab Superhard Mat, Changchun 130012, Peoples R China
[2] Univ Technol Belfort Montbeliard, LERMPS, F-90010 Belfort, France
来源：
JOURNAL OF THERMAL SPRAY TECHNOLOGY | 2013年 / 22卷 / 07期
关键词：
apatite-type lanthanum silicate (ATLS); atmospheric plasma spraying (APS); electrolyte; intermediate-temperature solid oxide fuel cell (IT-SOFC); oxide ionic conductivity; OXIDE FUEL-CELLS; INTERMEDIATE TEMPERATURE SOFC; IONIC-CONDUCTIVITY; APATITE STRUCTURE; CONDUCTORS; LA9.33SI6O26; ELECTROLYTE; OXYAPATITE; FILMS; MG;
D O I：
10.1007/s11666-013-9950-7
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Apatite-type lanthanum silicate (ATLS) electrolyte coatings for use in intermediate-temperature solid oxide fuel cells were deposited by atmospheric plasma spraying (APS). Plasma-sprayed coatings with typical composition La-10(SiO4)(6)O-3 exhibiting good densification and high oxide ionic conductivity were obtained by properly adjusting the spraying parameters, particularly the gun current. The highest obtained ionic conductivity value of 3.3 mS/cm at 1,173 K in air is comparable to other ATLS conductors. This work demonstrated empirically that utilization of the APS technique is feasible to synthesize dense La-10(SiO4)(6)O-3 electrolyte coatings using gun currents within an unusually broad range.
引用
收藏
页码：1103 / 1108
页数：6
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