李亚飞教授课题组在JOURNAL OF MATERIALS CHEMISTRY A发表研究论文

时间:2020-09-08 来源:化科院 点击数:

Rational design of dual-metal-site catalysts for electroreduction of carbon dioxide
Luo, G (Luo, Gan)[ 1 ] ; Jing, Y (Jing, Yu)[ 2 ] ; Li, YF (Li, Yafei)[ 1 ]*(李亚飞)


[ 1 ] Nanjing Normal Univ, Jiangsu Collaborat Innovat Ctr Biomed Funct Mat, Sch Chem & Mat Sci, Jiangsu Key Lab New Power Batteries, Nanjing 210023, Peoples R China
[ 2 ] Nanjing Forestry Univ, Coll Chem Engn, Nanjing 210037, Peoples R China


JOURNAL OF MATERIALS CHEMISTRY A,202008,8(31),15809-15815


Electroreduction of carbon dioxide (CO2) to useful chemical fuels represents an efficient and green strategy for solving the existing energy and environmental problems of human society. Developing efficient and inexpensive electrocatalysts for the CO(2)reduction reaction (CRR) has been a key scientific issue. Due to the robust scaling relationship that exists between CRR intermediates, it is difficult to improve the catalytic activity of commonly used transition metal catalysts. In this work, inspired by recent experimental progress in fabricating graphene-based dual-metal-site catalysts (DMSCs), we systematically studied the CRR activity of a series of DMSCs by means of density functional theory computations and micro-kinetics simulations. By using the adsorption strength of OH* and COOH* species as an indicator, three DMSCs, namely Cu/Mn, Ni/Mn and Ni/Fe, were identified as promising candidates after two-rounds of screening. Remarkably, it is found that the scaling relationship between the adsorption strength of COOH* and CO* species has been broken in these three DMSCs, leading to a superior CRR activity. Our work provides a useful guideline for further developing CRR electrocatalysts.

文章链接:
https://pubs.rsc.org/en/content/articlelanding/2020/TA/D0TA00033G#!divAbstract

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