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Increasing the performance of an anion-exchange membrane electrolyzer operating in pure water with a nickel-based microporous layer

Open access
Razmjooei, Fatemeh, Morawietz, Tobias, Taghizadeh, Ehsan, Hadjixenophontos, Efi, Mues, Lukas, Gerle, Martina, Wood, Brian D., Harms, Corinna, Gago, Aldo Saul, Ansar, Syed Asif, Friedrich, Kaspar Andreas·2021·Joule

Abstract

Anion-exchange membrane water electrolysis (AEMWE) suffers from low performance compared with mainstream electrolysis techniques. Attempts at improvement have been confined to the development of membranes and electrodes. Here, in the quest of increasing the performance of AEMWE, a well-designed liquid/gas-diffusion layer (LGDL), termed as NiMPL-PTL, was developed by introducing nickel-based microporous layers (MPLs) on the top of a porous transport layer (PTL). The low tortuosity of this NiMPL-PTL reduced the capillary pressure and bubble point, which led to lower transport polarization. Moreover, the NiMPL-PTL decreased the interfacial contact resistance (ICR) by increasing the contact area between the PTL and the membrane electrode assembly (MEA). NiMPL-PTL, therefore, led to measurable performance improvements in the AEMWE operated in pure water: 290 mV lower voltage at 0.5 A cm −1 for AEMWE with MEA having precious- or nonprecious-metal-based catalyst, compared with similar cells but without NiMPL-PTL.

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Crossref · 10.1016/j.joule.2021.05.006

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Metadata

Authors
Razmjooei, F., Morawietz, T., Taghizadeh, E., Hadjixenophontos, E., Mues, L., Gerle, M., Wood, B. D., Harms, C., Gago, A. S., Ansar, S. A., & Friedrich, K. A.
Venue
Joule
Publisher
Elsevier BV
Published
2021-07
Volume
5
Issue
7
Pages
1776-1799
ISSN
2542-4351 (ISSN-L)
OpenAlex
W3172152058
Cited by
248
References
2
FWCI
9.36
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Increasing the performance of an anion-exchange membrane electrolyzer operating in pure water with a nickel-based microporous layer. https://app.cochat.ai/papers/10.1016/j.joule.2021.05.006
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Razmjooei, F., Morawietz, T., Taghizadeh, E., Hadjixenophontos, E., Mues, L., Gerle, M., Wood, B. D., Harms, C., Gago, A. S., Ansar, S. A., & Friedrich, K. A. (2021). Increasing the performance of an anion-exchange membrane electrolyzer operating in pure water with a nickel-based microporous layer. Joule. https://doi.org/10.1016/j.joule.2021.05.006

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