在La掺杂Bi催化剂上促进电还原CO2还原到安培水平的甲酸

IF 5.5 2区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Sustainable Chemistry and Pharmacy Pub Date : 2025-02-28 DOI:10.1016/j.scp.2025.101973

Yichi Zhang , Zijun Zhang , Min Wang , Xia Bai , Yajuan Wang , Yingxuan Liu , Shuaiqiang Jia , Mingyuan He , Chunjun Chen , Haihong Wu , Buxing Han

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引用次数: 0

摘要

电化学二氧化碳还原反应（CO2RR）制备高附加值化学品是一种很有前途的二氧化碳利用和可再生能源储存策略。但由于生产率低，制约了其实际应用。本文制备了La掺杂Bi催化剂。在−1.7 V vs RHE下，当电流密度为1.1A cm−2时，甲酸酯的法拉第效率（FE）可达96.4%。实验表明，La的掺杂增加了催化活性位点，降低了电荷转移阻力，可以显著提高CO2RR的性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Boosting electroreduction CO2 reduction to formate at ampere level over La doped Bi catalyst

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Boosting electroreduction CO2 reduction to formate at ampere level over La doped Bi catalyst

Electrochemical carbon dioxide (CO₂) reduction reaction (CO₂RR) to high-value-added chemicals is a promising strategy for CO₂ utilization and renewable energy storage. However, the practical application is restricted by the low productivity. Here we prepare a La doped Bi catalysts. The Faradaic efficiency (FE) for formate could reach up to 96.4% with a current density of 1.1A cm⁻² at −1.7 V vs RHE. Experiments revealed that the doping La increased the catalytic active sites and reduced the charge transfer resistance, which could enhance the performance of CO₂RR significantly.

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来源期刊

Sustainable Chemistry and Pharmacy Environmental Science-Pollution

CiteScore

8.20

自引率

6.70%

发文量

274

审稿时长

37 days

期刊介绍： Sustainable Chemistry and Pharmacy publishes research that is related to chemistry, pharmacy and sustainability science in a forward oriented manner. It provides a unique forum for the publication of innovative research on the intersection and overlap of chemistry and pharmacy on the one hand and sustainability on the other hand. This includes contributions related to increasing sustainability of chemistry and pharmaceutical science and industries itself as well as their products in relation to the contribution of these to sustainability itself. As an interdisciplinary and transdisciplinary journal it addresses all sustainability related issues along the life cycle of chemical and pharmaceutical products form resource related topics until the end of life of products. This includes not only natural science based approaches and issues but also from humanities, social science and economics as far as they are dealing with sustainability related to chemistry and pharmacy. Sustainable Chemistry and Pharmacy aims at bridging between disciplines as well as developing and developed countries.