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September 30, 2025AIChE Journal

Surface‐engineered perovskite oxides enabling dual activation of lattice and adsorbed oxygen for CO oxidation

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Authors

NGNie GuangzeDXDu XiangqianCQCheng Qihang

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Overview

This research demonstrates how dual activation of lattice and adsorbed oxygen in perovskite oxides enhances catalytic activity, suggesting new design pathways.

Key Points

  • The LSCO-Ti catalyst achieves 90% CO conversion at a low temperature of 92°C, significantly improving catalytic efficiency.
  • Employing a surface engineering strategy with TiCl4 treatment, it activates both lattice and adsorbed oxygen species synergistically.
  • The dual activation mechanism operates through Mars–van Krevelen and Langmuir–Hinshelwood pathways, enhancing performance.
  • Stable performance for over 50 hours at 150°C is ensured by effective O2 adsorption and suppression of carbonate accumulation.

Cite This Study

Guangze et al. (2025) studied this question.

synapsesocial.com/papers/68dc261d8a7d58c25ebb2b8chttps://doi.org/10.1002/aic.70099
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