PARTIAL IMPEDANCE SPECTROSCOPY TESTS OF A 6 KW PROTON EXCHANGE MEMBRANE WATER ELECTROLYZER STACK

被引：0

作者：

Han, Taehee ^{[1
]}

Salehfar, Hossein ^{[1
]}

Dale, Nilesh V.

Mann, Mike D.

Thakare, Jivan N.

机构：

[1] Univ N Dakota, Dept Elect Engn, Grand Forks, ND 58201 USA

来源：

PROCEEDINGS OF THE ASME 8TH INTERNATIONAL CONFERENCE ON FUEL CELL SCIENCE, ENGINEERING, AND TECHNOLOGY 2010, VOL 2 | 2010年

关键词：

FUEL-CELL STACK; SOLID POLYMER ELECTROLYTE; DISPERSION; DIAGNOSIS;

D O I：

暂无

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Impedance characteristics of a 6 kW proton exchange membrane (PEM) electrolyzer stack are presented under various operating conditions. An electrolyzer stack was operated under room temperature and partial current range (0 to 80 A). The whole stack impedance spectrums were measured by three different power supply configurations. The total sweeping frequency range (0.5 Hz to 20 kHz) is divided into low frequency (0.5 to 20 Hz), middle frequency (20 Hz to 1 kHz), and high frequency (1 to 20 kHz). Each frequency range required a different measurement setup to measure the whole stack impedance data. In this study, the partial impedance spectrums at low and high frequency ranges are successfully measured and analyzed. The measured data is verified with Kramers-Kronig relations. Measurement issues at the middle frequency region are discussed.

引用

页码：741 / 745

页数：5

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