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June 13, 2026AIChE Journal

Dynamic carbon cycling enables near‐100% CO selective CO 2 hydrogenation on carrier‐free Cu catalyst

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Authors

YYYajie YuHCHaiyi ChenKXKaiji Xu

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Overview

This randomized trial investigates CO production in a carbon-doped copper catalyst, suggesting improved efficiency in hydrogenation processes.

Key Points

  • This research aims to explore the performance of a new carrier-free copper catalyst in CO2 hydrogenation and its underlying mechanisms.
  • Synthesis of bio-Cu catalyst using pollen-templated strategy
  • Performance evaluation in reverse water-gas shift reaction at varied temperatures and pressures
  • Mechanistic studies of carbon doping effects on catalysis
  • Achieved >99.1% CO selectivity with 25.3% CO2 conversion at 340°C and 3 MPa, 3.2 times higher than conventional Cu benchmark.
  • Maintained 99.99% CO selectivity and 30.5% conversion at 450°C and ambient pressure over 100 hours.
  • Mechanistic studies indicated enhanced catalytic efficiency through electron-deficient Cu species and a synergistic carbon cycle.

Cite This Study

Yu et al. (2026) studied this question.

synapsesocial.com/papers/6a2cf6d7faef96ed7f0587c5https://doi.org/10.1002/aic.70504
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