Molybdenum tailored Co<sup>0</sup>/Co<sup>2+</sup> active pairs on a perovskite-type oxide for direct ethanol synthesis from syngas

Yi Wu; Pengfei Song; Ningyan Li; Yanan Jiang; Yuan Liu

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Molybdenum tailored Co⁰/Co²⁺ active pairs on a perovskite-type oxide for direct ethanol synthesis from syngas

Full Length Article | Updated：2026-01-06

- Molybdenum tailored Co⁰/Co²⁺ active pairs on a perovskite-type oxide for direct ethanol synthesis from syngas
- Chinese Journal of Chemical Engineering Vol. 59, Issue 7, Pages: 279-289(2023)
- Affiliations：
  
  Tianjin Key Laboratory of Applied Catalysis Science and Technology, School of Chemical Engineering, Tianjin University,Tianjin,China,300350
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：2023
- Accepted：
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DOI：

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摘要

Abstract

Selective synthesis of ethanol from syngas under the Co-based catalysts is still challenging due to the hard of regulating the active site Co

and Co

ratio. In this work

a series of CaTi

0.9-

0.1

(

= 0

0.1-0.4) and CaTi

0.7

0.3

catalysts were prepared by using citric acid complexation method to promote the synthesis of ethanol. It was found that Mo species in the perovskite lattice can regulate the Co

and Co

ratio through the domain-limiting effect of perovskite and the degree of Co reduction could be adjusted by changing the Co/Mo molar ratio. Among these investigated catalysts

the total selectivity of alcohols over the catalyst with the optimal Co/Mo ratio CaTi

0.6

0.3

0.1

reached 39.1%

with ethanol accounting for 74.7%

which was ascribed to the moderate and tightly bound ratio of dissociative to non-dissociative adsorption sites on the surface and the balance of CH

-CH

coupling and CO insertion.

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Molybdenum tailored Co0/Co2+ active pairs on a perovskite-type oxide for direct ethanol synthesis from syngas

DOI：

摘要

Abstract

关键词

Keywords

references

Molybdenum tailored Co⁰/Co²⁺ active pairs on a perovskite-type oxide for direct ethanol synthesis from syngas