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May 9, 2026Inorganic Chemistry Frontiers0 citations

Structural Modulation of TiO 2 Supports by Cr Doping to Tune Ir Electronic Structure and Accelerate Acidic OER

CCChen CaoSCShirui CuiYLYanqin Li

Key Points

  • To explore how Cr doping affects the electronic structure of TiO2 and enhances the performance of the oxygen evolution reaction.
  • Structural modulation of TiO2 supports by Cr doping was utilized.
  • Kinetic analysis of the OER in acidic conditions was conducted.
  • Comparison with noble-metal catalysts was performed.
  • Cr-doped TiO2 demonstrated a significant increase in OER activity compared to undoped TiO2.
  • The change in electronic structure led to improved reaction kinetics for the OER.
  • Kinetics were improved when compared to traditional noble-metal catalysts.

Abstract

The oxygen evolution reaction (OER) in acidic media is a critical bottleneck for proton-exchange membrane water electrolysis (PEMWE) due to sluggish kinetics and the high cost of noble-metal catalysts. To...

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Cite This Study

Cao et al. (2026) studied this question.

synapsesocial.com/papers/69fed021b9154b0b8287720bhttps://doi.org/10.1039/d6qi00394j
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Dynamically Activating Inert Ti <sup>4+</sup> Sites to Redirect the Oxygen Evolution Pathway Toward Practical PEM Water Electrolysis2026
  2. 2Boosting Acidic OER Performance Via Transition Metal Doping in Iridium/Ruthenium Oxides2025
  3. 3Titanium Doping Induced Anisotropic Geometric and Electronic Modifications Improve Acidic Oxygen Evolution Reaction on RuO <sub>2</sub> (110) Surface2025
  4. 4Enhanced Oxygen Coupling via Regulated Interfacial Water and *OH Adsorption by Cr─O─Ir Motif to Enable Efficient Acidic Water Oxidation2026
  5. 5Theoretical Prediction and Experimental Verification of IrO<sub><i>x</i></sub> Supported on Titanium Nitride for Acidic Oxygen Evolution Reaction2024 · 82 citations