Continuous durability study of a high temperature polymer electrolyte membrane fuel cell stack

被引：18

作者：

Batet, David ^{[1
]}

Zohra, Fatema T. ^{[1
]}

Kristensen, Simon B. ^{[2
]}

Andreasen, Soren J. ^{[2
]}

Diekhoner, Lars ^{[1
]}

机构：

[1] Aalborg Univ, Dept Mat & Prod, Skjernvej 4a, DK-9220 Aalborg, Denmark

[2] SerEnergy AS, Res & Dev, Lyngvej 8, DK-9000 Aalborg, Denmark

来源：

APPLIED ENERGY | 2020年 / 277卷

关键词：

Fuel cell; PEM; PBI; Stack; Durability; Acid loss; DEGRADATION MECHANISMS; PEMFC; CATALYSTS; STARVATION; BEHAVIOR;

D O I：

10.1016/j.apenergy.2020.115588

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

y High Temperature Polymer Electrolyte Membrane (HT-PEM) fuel cells are a promising choice for renewable power generation. We present an experimental study that investigates the durability of a full-size fuel cell stack, where membrane electrode assemblies were continuously extracted during operation of the stack, and analysed in detail with electron microscopy, energy dispersive X-ray spectroscopy and X-ray diffraction. The evolution of membrane thinning, the loss of phosphoric acid and the changes in the catalyst layer of the electrodes have been investigated as a function of operation time. A correlation between the acid loss and the decrease of cell voltage has been determined to provide detailed insight into durability data of the HT-PEM fuel cell on a commercial sized stack level.

引用

页数：9

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