Communication-Neutron Radiography of the Water/Gas Distribution in the Porous Layers of an Operating Electrolyser

被引：75
|
作者：
Seweryn, Jakub [1 ]
Biesdorf, Johannes [1 ]
Schmidt, Thomas J. [1 ,2 ]
Boillat, Pierre [1 ,3 ]
机构：
[1] Paul Scherrer Inst, Electrochem Lab, CH-5232 Villigen, Switzerland
[2] ETH, Lab Phys Chem, CH-8093 Zurich, Switzerland
[3] Paul Scherrer Inst, Neutron Imaging & Activat Grp, CH-5232 Villigen, Switzerland
来源：
JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 2016年 / 163卷 / 11期
关键词：
CELL; FLOW; PLATE;
D O I：
10.1149/2.0641607jes
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Neutron radiography was applied to image the water-gas distribution in an operating small scale PEM electrolyser, building up on the anisotropic resolution improvements previously developed for fuel cell imaging. The ability of neutrons to image this distribution across porous materials made of titanium was demonstrated for the first time. This paper presents the procedure's description and limitations, focusing on water content in the porous layers as a function of distance from electrode. A surprising pattern of water content in anodic porous material was observed, which sheds light on the topic of mass transport limitations in PEM electrolysers. (C) The Author(s) 2016. Published by ECS. All rights reserved.
引用
收藏
页码：F3009 / F3011
页数：3
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