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贺泓院士领衔!中科院生态环境中心徐光艳,最新Angew丨Rh-La双原子调控乙醇重整产氢!

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TL;DR - An Angewandte Chemie study reports adjacent Rh-La dual-atom sites that coordinate ethanol activation and water dissociation, enabling more efficient hydrogen production from ethanol steam reforming.

  • Rh cleaves ethanol C-C bonds, while oxophilic La activates water and stabilizes carboxylate intermediates.
  • Electronic coupling shifts the water-gas shift reaction from a high-barrier redox route to a lower-barrier carboxylate pathway.
  • The catalyst achieved a hydrogen production rate of 80.5 L g⁻¹ h⁻¹ with sustained activity and reduced carbon deposition.
  • Similar benefits in Pd-La, Pt-La, and Ir-La systems suggest the dual-atom strategy is broadly applicable.

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贺泓院士领衔!中科院生态环境中心徐光艳,最新Angew丨Rh-La双原子调控乙醇重整产氢!

WeChat: 科研圈 2026-07-20 doi:10.1002/anie.2800335
Public signals OpenAlex citations 0
Providers: Hugging Face · N/A OpenAlex · Citations 0 Publisher · N/A Semantic Scholar · N/A X · N/A Fetched 2026-08-21 14:38:51.918802 UTC

TL;DR - An Angewandte Chemie study reports adjacent Rh-La dual-atom sites that coordinate ethanol activation and water dissociation, enabling more efficient hydrogen production from ethanol steam reforming.

  • Rh cleaves ethanol C-C bonds, while oxophilic La activates water and stabilizes carboxylate intermediates.
  • Electronic coupling shifts the water-gas shift reaction from a high-barrier redox route to a lower-barrier carboxylate pathway.
  • The catalyst achieved a hydrogen production rate of 80.5 L g⁻¹ h⁻¹ with sustained activity and reduced carbon deposition.
  • Similar benefits in Pd-La, Pt-La, and Ir-La systems suggest the dual-atom strategy is broadly applicable.
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