Enhancement of Mass Transfer for Facilitating Industrial-Level CO2 Electroreduction on Atomic Ni-N-4 Sites
文献类型：期刊论文
| 作者 | Chen, Baotong; Li, Boran; Tian, Ziqi; Liu, Wenbo; Liu, WenPing; Sun, Weiwei; Wang, Kang; Chen, Liang; Jiang, Jianzhuang |
| 刊名 | ADVANCED ENERGY MATERIALS
 |
| 出版日期 | 2021 |
| 卷号 | 11期号:40 |
| 关键词 | COVALENT ORGANIC FRAMEWORKS CARBON-DIOXIDE ELECTROCHEMICAL REDUCTION EFFICIENT CO2 ACTIVE-SITES METAL COPPER ELECTROCATALYSTS CONVERSION CATALYSIS |
| 英文摘要 | Herein, an active catalyst A-Ni@CMK is developed with the atomically dispersed Ni-N-4 moieties on the mesoporous carbon for the electrocatalytic CO2 reduction reaction (CO2RR) through a step-by-step pore-filling synthetic strategy. Concretely, the as-synthesized catalyst A-Ni@CMK exhibits outstanding catalytic performance for CO2RR in the H-cell with a Faradaic efficiency of CO (FECO) > 80% in a wide electrochemical potential window (-0.5 to -0.9 V vs RHE) and a large CO partial current density (j(CO)) of 24 and 51 mA cm(-2) at -0.6 and -0.8 V versus RHE, respectively. Notably, j(CO) for A-Ni@CMK can further reach the industrial-level values of 366 mA cm(-2) at -0.8 V versus RHE, respectively, with the FECO > 95% in the flow cell, surpassing those for all the thus far reported Ni-N-C catalysts and representing one of the best values for the catalysts for CO2RR. Moreover, comparative experimental studies in combination with density functional theory calculations demonstrate that the intrinsic high activity of the atomic Ni-N-4 sites towards CO2RR results in high selectivity. Nevertheless, the mesoporous channels favor the mass transmission for both reactant CO2 and gas-product CO, which in turn enhances the reaction kinetics, leading to the improved overall performance of the as-prepared A-Ni@CMK catalyst for CO2-to-CO conversion. |
| 源URL | [http://ir.nimte.ac.cn/handle/174433/21475]  |
| 专题 | 2021专题_期刊论文 |
| 作者单位 | 1.Wang, K 2.Chen, L (corresponding author), Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Zhejiang, Peoples R China. 3.Jiang, JZ (corresponding author), Univ Sci & Technol Beijing, Beijing Adv Innovat Ctr Mat Genome Engn, Beijing Key Lab Sci & Applicat Funct Mol & Crysta, Dept Chem & Chem Engn,Sch Chem & Biol Engn, Beijing 100083, Peoples R China. |
| 推荐引用方式 GB/T 7714 | Chen, Baotong,Li, Boran,Tian, Ziqi,et al. Enhancement of Mass Transfer for Facilitating Industrial-Level CO2 Electroreduction on Atomic Ni-N-4 Sites[J]. ADVANCED ENERGY MATERIALS,2021,11(40). |
| APA | Chen, Baotong.,Li, Boran.,Tian, Ziqi.,Liu, Wenbo.,Liu, WenPing.,...&Jiang, Jianzhuang.(2021).Enhancement of Mass Transfer for Facilitating Industrial-Level CO2 Electroreduction on Atomic Ni-N-4 Sites.ADVANCED ENERGY MATERIALS,11(40). |
| MLA | Chen, Baotong,et al."Enhancement of Mass Transfer for Facilitating Industrial-Level CO2 Electroreduction on Atomic Ni-N-4 Sites".ADVANCED ENERGY MATERIALS 11.40(2021). |
入库方式： OAI收割
来源：宁波材料技术与工程研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。