Evidence map›Paper›PMID 40714844›Full record

ArticleAdvanced science (Weinheim, Baden-Wurttemberg, Germany)2025

Iridium Oxide Shell Structure on Rutile Titanium Oxide for Efficient Supported Catalyst for the Oxygen Evolution Reaction.

Elena Cazzulani, Camille Roiron, Lindsay Zhang, Giovanni Ferro, Alasdair Fairhurst, Pierangela Cristiani, Gian Luca Chiarello, Plamen Atanassov

Abstract read
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In one paragraph

Article in Advanced science (Weinheim, Baden-Wurttemberg, Germany), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors.

Elena CazzulaniDepartment of Chemical and Biomolecular Engineering, University of California, Irvine, CA, 92697, USA.ORCID https://orcid.org/0009-0004-7256-219X
Camille RoironDepartment of Chemical and Biomolecular Engineering, University of California, Irvine, CA, 92697, USA.ORCID https://orcid.org/0000-0001-9772-8249
Lindsay ZhangDepartment of Chemical and Biomolecular Engineering, University of California, Irvine, CA, 92697, USA.
Giovanni FerroDepartment of Chemical and Biomolecular Engineering, University of California, Irvine, CA, 92697, USA.ORCID https://orcid.org/0009-0001-7021-0172
Alasdair FairhurstDepartment of Chemical and Biomolecular Engineering, University of California, Irvine, CA, 92697, USA.ORCID https://orcid.org/0000-0001-5800-6059
Pierangela CristianiRSE-Ricerca sul Sistema Energetico S.p.A., Via Rubattino 54, Milano, 20134, Italy.ORCID https://orcid.org/0000-0001-6315-9690
Gian Luca ChiarelloDepartment of Chemistry, Università degli Studi di Milano, Via Camillo Golgi 19, Milano, 20133, Italy.ORCID https://orcid.org/0000-0003-4550-175X
Plamen AtanassovDepartment of Chemical and Biomolecular Engineering, University of California, Irvine, CA, 92697, USA.ORCID https://orcid.org/0000-0003-2996-472X

Funding

Irvine Materials Research Science and Engineering Center DMR-2011967National Science Foundation Major Research Instrumentation Program CHE-1338173Research Fund for the Italian Electrical System, Three-Year Research Plan 2025-2027
6 · The paper itself

Abstract

Proton exchange membrane water electrolysis is a promising technology for the production of hydrogen via water electrolysis. Lower amounts of iridium oxide are needed at the anode to reduce the cost and precious metal dependence of this technology for large-scale development. The use of iridium oxide catalysts supported on non-precious supports can help reduce the required iridium loading. This work presents a novel core-shell structure in which a thin layer of IrO₂ is grown on rutile TiO₂ spheres. The structural compatibility between rutile IrO₂ and rutile TiO₂ enables the formation of a continuous IrO₂ shell, unlike on anatase-rich TiO₂ supports, where only a decorated structure is observed. The core-shell architecture and homogenous IrO₂ distribution on the rutile support is confirmed by imaging, diffraction, and spectroscopy. Electrochemical evaluation demonstrates superior mass activity and pseudo-capacitance for the core-shell material (on rutile) than for the decorated structure (on anatase). The core-shell supported material as electrochemical performance similar to a commercial unsupported IrO₂ catalyst. These results highlight the potential of the rutile IrO

Indexed as

catalystcore‐shell structureiridium loadingoxygen evolution reactionsupported iridium oxide

Identifiers

PMID40714844
PMCPMC12533317

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