Ionomer-free and recyclable porous-transport electrode for high-performing proton-exchange-membrane water electrolysis

Jason K. Lee, Grace Anderson, Andrew W. Tricker, Finn Babbe, Arya Madan, David A. Cullen, José’ D. Arregui-Mena, Nemanja Danilovic, Rangachary Mukundan, Adam Z. Weber and Xiong Peng ()
Additional contact information
Jason K. Lee: Lawrence Berkeley National Laboratory
Grace Anderson: Lawrence Berkeley National Laboratory
Andrew W. Tricker: Lawrence Berkeley National Laboratory
Finn Babbe: Lawrence Berkeley National Laboratory
Arya Madan: University of California Berkeley
David A. Cullen: Oak Ridge National Laboratory
José’ D. Arregui-Mena: Oak Ridge National Laboratory
Nemanja Danilovic: Lawrence Berkeley National Laboratory
Rangachary Mukundan: Lawrence Berkeley National Laboratory
Adam Z. Weber: Lawrence Berkeley National Laboratory
Xiong Peng: Lawrence Berkeley National Laboratory

Nature Communications, 2023, vol. 14, issue 1, 1-11

Abstract: Abstract Clean hydrogen production requires large-scale deployment of water-electrolysis technologies, particularly proton-exchange-membrane water electrolyzers (PEMWEs). However, as iridium-based electrocatalysts remain the only practical option for PEMWEs, their low abundance will become a bottleneck for a sustainable hydrogen economy. Herein, we propose high-performing and durable ionomer-free porous transport electrodes (PTEs) with facile recycling features enabling Ir thrifting and reclamation. The ionomer-free porous transport electrodes offer a practical pathway to investigate the role of ionomer in the catalyst layer and, from microelectrode measurements, point to an ionomer poisoning effect for the oxygen evolution reaction. The ionomer-free porous transport electrodes demonstrate a voltage reduction of > 600 mV compared to conventional ionomer-coated porous transport electrodes at 1.8 A cm−2 and

Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

Downloads: (external link)
https://www.nature.com/articles/s41467-023-40375-x Abstract (text/html)

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-40375-x

Ordering information: This journal article can be ordered from
https://www.nature.com/ncomms/

DOI: 10.1038/s41467-023-40375-x

Access Statistics for this article

Nature Communications is currently edited by Nathalie Le Bot, Enda Bergin and Fiona Gillespie

More articles in Nature Communications from Nature
Bibliographic data for series maintained by Sonal Shukla () and Springer Nature Abstracting and Indexing ().