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C–C coupling reactions promoted by CNT-supported bimetallic center in Fischer–Tropsch synthesis

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Abstract

C–C coupling efficiency is the most important aspect in Fischer–Tropsch synthesis (FTS). Different promoters and supports are reported to increase the selectivity of desired products in FTS. This work considers three critical C–C coupling reactions catalyzed by bimetallic systems based on N-doped CNTs. We report the theoretical reaction barriers for these reactions that are affected by the extents of electron transfer as well as the electronic structure of the adsorbates in different reaction mechanisms. We propose a novel Co/Mn bimetallic center supported on the N-doped CNT surface that could convert CO more efficiently to long chain carbon products with a low C–C coupling reaction barrier, leading to a suppressed C1 selectivity in FTS.

Graphical abstract: C–C coupling reactions promoted by CNT-supported bimetallic center in Fischer–Tropsch synthesis

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Article information


Submitted
23 Dec 2019
Accepted
16 Feb 2020
First published
18 Feb 2020

Sustainable Energy Fuels, 2020, Advance Article
Article type
Communication

C–C coupling reactions promoted by CNT-supported bimetallic center in Fischer–Tropsch synthesis

C. Liu and E. Y. Li, Sustainable Energy Fuels, 2020, Advance Article , DOI: 10.1039/C9SE01289C

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