2020
DOI: 10.1002/ange.201912751
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Highly Efficient Porous Carbon Electrocatalyst with Controllable N‐Species Content for Selective CO2 Reduction

Abstract: We report as traightforwards trategy to design efficient Nd oped porous carbon (NPC) electrocatalyst that has ahigh concentration of easily accessible active sites for the CO 2 reduction reaction (CO 2 RR). The NPC with large amounts of active N( pyridinic and graphitic N) and highly porous structure is prepared by using an oxygen-rich metalorganic framework (Zn-MOF-74) precursor.T he amount of active Ns pecies can be tuned by optimizing the calcination temperature and time.Owing to the large pore sizes,the ac… Show more

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Cited by 30 publications
(37 citation statements)
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“…[ 2 ] Above challenges originate from intrinsically sluggish reaction kinetics caused by multiple CO 2 reduction pathways and competition of hydrogen evolution reaction (HER). In general, the products from CO 2 RR can be divided into two categories: 1) C 1 products such as CO, [ 3,4 ] methanol, [ 5,6 ] formate (or formic acid), [ 7,8 ] etc. ; 2) multi‐carbon (C 2+ ) products including ethylene, [ 9,10 ] ethanol, [ 11 ] etc.…”
Section: Introductionmentioning
confidence: 99%
“…[ 2 ] Above challenges originate from intrinsically sluggish reaction kinetics caused by multiple CO 2 reduction pathways and competition of hydrogen evolution reaction (HER). In general, the products from CO 2 RR can be divided into two categories: 1) C 1 products such as CO, [ 3,4 ] methanol, [ 5,6 ] formate (or formic acid), [ 7,8 ] etc. ; 2) multi‐carbon (C 2+ ) products including ethylene, [ 9,10 ] ethanol, [ 11 ] etc.…”
Section: Introductionmentioning
confidence: 99%
“…Ye et al 141 prepared nitrogen‐doped porous carbon (NPC), by the synthesis of a metal‐organic framework. A metal‐free carbon catalyst was prepared by employing volatile metal in MOF (Zn‐MOF‐74) via annealing.…”
Section: Carbon‐based Metal‐free Electrocatalystsmentioning
confidence: 99%
“…Under optimum conditions at a mild overpotential of 0.55 V RHE , they achieved a high selectivity for eCO 2 R towards CO with FE of 98.4%. This high production of CO was attributed to open pores, which allowed easy access to the CO 2 ‐reactant overactive sites 141 …”
Section: Carbon‐based Metal‐free Electrocatalystsmentioning
confidence: 99%
“…The dendritic Cu film has been electro‐deposited on the mesh, and a porous structure has been established evenly on the surface . The porous structure provides a larger active surface area for the electrochemical reactions of carbon dioxide into products . The morphology of dendritic copper electrodes resembles the shape of densely packed corns with the stems of 10 μm∼20 μm in length and the short branches, as noticed in Figure (b).…”
Section: Resultsmentioning
confidence: 98%
“…The roughened Cu surfaces show higher selectivity . Previous study reveals that the porous structure of copper also helps in the selective formation of ethylene . Padilla et al .…”
Section: Introductionmentioning
confidence: 94%