Journal Article

FZJ-2017-06932

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Water management in membrane electrolysis and options for advanced plants

Müller, M. (Corresponding author)FZJ* ; Carmo, M.FZJ* ; Glüsen, A.FZJ* ; Hehemann, M.FZJ* ; Saba, S.FZJ* ; Zwaygardt, W.FZJ* ; Stolten, D.FZJ*RWTH*

2019
Elsevier New York, NY [u.a.]

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Please use a persistent id in citations: http://hdl.handle.net/2128/24111  doi:10.1016/j.ijhydene.2019.02.139

Abstract: The development of polymer electrolyte membrane electrolysis (PEMEL) is driven by increasing performance to decrease the costs of electrolysis systems. One option for increasing power density is decreasing the Ohmic losses within the cell. This can be enabled by using thinner membranes, although the disadvantage of thin membranes is their lower diffusion resistivity for water, hydrogen and oxygen what influences the efficiency and the operating conditions. In this paper the water transport and the Ohmic resistance of catalyst coated membranes with different thickness are analyzed. The disadvantage of high water permeability in thin membranes can be used to change the feed configuration in stacks and systems. It is possible to feed the electrolysis only from the cathode, which simplifies the mass transport (single phase) in the anode's porous transport layer and reducing stack and system dimensions, as well as costs.

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Contributing Institute(s):

1. Technoökonomische Systemanalyse (IEK-3)
2. Elektrochemische Verfahrenstechnik (IEK-14)

Research Program(s):

1. 134 - Electrolysis and Hydrogen (POF3-134) (POF3-134)

Appears in the scientific report 2019

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Database coverage:
; ; Clarivate Analytics Master Journal List ; Current Contents - Engineering, Computing and Technology ; Ebsco Academic Search ; IF < 5 ; JCR ; NCBI Molecular Biology Database ; SCOPUS ; Science Citation Index ; Science Citation Index Expanded ; Web of Science Core Collection

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