AI Article Synopsis
- BiO catalysts with a Bi-O bond structure exhibit more active sites, resulting in superior CO catalytic performance compared to pure Bi catalysts.
- Strengthening the Bi-O bond in BiO is crucial for improving selectivity and catalytic activity in reactions.
- The developed N pre-reduced spherical BiO/ATO catalyst achieves a formate Faradaic efficiency of 92.7%, outperforming existing tin oxide catalysts by retaining the Bi-O structure and lowering energy barriers in CO production reactions.
Article Abstract
BiO catalyst with Bi-O bond crystal structure has more active sites, which shows better CO catalytic performance than pure Bi catalysts in many catalytic reactions. How to strengthen the Bi-O bond in BiO to obtain higher selectivity and catalytic activity is a problem worthy of consideration. Here, we develop a N pre-reduced spherical BiO/ATO catalyst that has a high formate Faradaic efficiency of 92.7%, which is superior to the existing tin oxide catalyst. Detailed electrocatalytic analysis shows that N pre-reduction and spherical structure are helpful for Sn to stabilize the oxidation state of Bi, thus retaining part of the Bi-O structure. The existence of the Bi-O structure can reduce the energy barrier of the CO production *OCHO reaction and promote the reaction rate of the CO-*OCHO-HCOOH path, thus promoting the formation of formate.
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| http://dx.doi.org/10.1016/j.jes.2023.11.009 | DOI Listing |
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Article Synopsis
- BiO catalysts with a Bi-O bond structure exhibit more active sites, resulting in superior CO catalytic performance compared to pure Bi catalysts.
- Strengthening the Bi-O bond in BiO is crucial for improving selectivity and catalytic activity in reactions.
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