In-situ measurement of hydrogen crossover in polymer electrolyte membrane water electrolysis

authored by

B. Bensmann, R. Hanke-Rauschenbach, K. Sundmacher

Abstract

An in-situ method for determination of hydrogen crossover in polymer electrolyte membrane (PEM) water electrolysis cells is discussed. The measurement principle is based on the electrochemical compensation of the crossover flux, which translates the mass flux determination into an electric current measurement. The proposed method features an extremely simple set-up and measurement procedure, as well as high accuracy. It allows for measurement with a fully assembled cell at normal water electrolysis conditions by use of standard equipment, also installed in industrial electrolyzer plants. The technique is especially suitable for high-pressure PEM electrolyzers operated under asymmetric pressure conditions. The applicability of the suggested method for a broad pressure range is briefly illustrated with a laboratory scale electrolyzer plant and by comparison of the measured data with available literature values.

External Organisation(s)

Max Planck Institute for Dynamics of Complex Technical Systems
Otto-von-Guericke University Magdeburg

Type

Article

Journal

International Journal of Hydrogen Energy

Volume

39

Pages

49-53

No. of pages

5

ISSN

0360-3199

Publication date

02.01.2014

Publication status

Published

Peer reviewed

Yes

ASJC Scopus subject areas

Renewable Energy, Sustainability and the Environment, Fuel Technology, Condensed Matter Physics, Energy Engineering and Power Technology

Sustainable Development Goals

SDG 7 - Affordable and Clean Energy

Electronic version(s)

https://doi.org/10.1016/j.ijhydene.2013.10.085 (Access: Unknown)