Na/Al₂O₃-induced spatial isolation of CoFe carbides boosts CO₂ hydrogenation to olefins.

Authors

Na Liu, Yuren Zhao, Miao Zhang, Hui Gao, Wenhao Cui, Guanghui Zhang, Jian Wei, Chunshan Song, Xinwen Guo

Published in

Chemical communications (Cambridge, England). Sep 18, 2026. Epub Sep 18, 2026.

Abstract

CoFe carbides enable the conversion of CO₂-to-C₂₊ olefins yet undergo deactivation via agglomeration and cooking. Introducing Na/Al₂O₃ as a spatial isolator stabilizes the carbide and suppresses carbon deposition. The optimal composite achieves 48.6% CO₂ conversion and a C₂₊ olefin space-time yield of 904.8 mg g_cat^-1 h^-1 (4.1 × pristine NaCoFe), guiding durable catalyst design.

PMID:
42758119
Bibliographic data and abstract were imported from PubMed on 18 Sep 2026.

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