Structure of iridium oxide catalysts dictates performance differences for proton exchange membrane water electrolyzers
A systematic catalyst loading study reveals the higher catalytic activity of amorphous iridium oxide arises from bulk participation via suggested electrochemical descriptors, while identifying loading-independent intrinsic electrochemical properties.
Authors
- Jack Todd Lang (ORCID: https://orcid.org/0000-0002-3060-0475)
- Rebecca C. E. Hamlyn (ORCID: https://orcid.org/0000-0001-6771-6693)
- Yu Morimoto (ORCID: https://orcid.org/0000-0001-9140-1691)
- Shannon Wachter Boettcher (ORCID: https://orcid.org/0000-0001-8971-9123)
- Obeen Kwon (ORCID: https://orcid.org/0000-0002-7950-4820)
- Carol L. Korzeniewski (ORCID: https://orcid.org/0000-0003-3672-0731)
- Iryna V. Zenyuk (ORCID: https://orcid.org/0000-0002-1612-0475)
- Ethan J. Crumlin (ORCID: https://orcid.org/0000-0003-3132-190X)
- Juhyun Oh (ORCID: https://orcid.org/0000-0002-8605-1428)
- Masao Shibata (ORCID: https://orcid.org/0000-0001-5584-4938)
- Cliffton Wang
- Michael J. Zachman (ORCID: https://orcid.org/0000-0003-1910-1357)
Institutions
- Texas Tech University (US)
- Oak Ridge National Laboratory (US)
- Lawrence Berkeley National Laboratory (US)
- University of California, Irvine (US)
- IRD Fuel Cells (Denmark) (DK)
- Irvine University (US)
Publication Details
- Journal
- Journal of Materials Chemistry A
- Published
- 2025-11-27
- DOI
- https://doi.org/10.1039/d5ta08192k
- Primary Topic
- Hybrid Renewable Energy Systems
- Type
- article
- Field-Weighted Citation Impact
- 0.00