2020
DOI: 10.1002/aenm.202001645
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Highly Efficient Electrochemical CO2 Reduction Reaction to CO with One‐Pot Synthesized Co‐Pyridine‐Derived Catalyst Incorporated in a Nafion‐Based Membrane Electrode Assembly

Abstract: hindered because the corresponding reaction requires only two electrons and two protons, making it a promising initial feedstock. [19] Recent studies have described high (>90%) Faradaic efficiency (FE) for CO 2 RR to CO at high current density (>50 mA cm −2) for several different catalysts. [20-23] Among catalysts, metaldoped carbon materials have emerged at the intersection between heterogeneous carbon and metal microcycles, showing high selectivity toward CO 2 RR to CO. [23-38] Despite the wide variety of st… Show more

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Cited by 33 publications
(20 citation statements)
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“…[12][13][14][15] In addition to the catalyst development, the design and optimization of reactors for CO 2 R give another route to enhance the catalytic efficiency. [16][17][18][19][20][21] Nevertheless, the industrialization of the CO 2 R is still inhibited by its unsatisfactory activity, selectivity, and durability, particularly for multi-carbon (C 2+ ) products.One major difficulty for controlling electrochemical CO 2 R is that, its reaction pathways and reactivity are highly sensitive to the catalyst-active-site identity and the local reaction environment. [22] Even minor changes of the catalyst-electrolyte interface occurred during the electrocatalysis can substantially influence the overall catalytic performance.…”
mentioning
confidence: 99%
See 1 more Smart Citation
“…[12][13][14][15] In addition to the catalyst development, the design and optimization of reactors for CO 2 R give another route to enhance the catalytic efficiency. [16][17][18][19][20][21] Nevertheless, the industrialization of the CO 2 R is still inhibited by its unsatisfactory activity, selectivity, and durability, particularly for multi-carbon (C 2+ ) products.One major difficulty for controlling electrochemical CO 2 R is that, its reaction pathways and reactivity are highly sensitive to the catalyst-active-site identity and the local reaction environment. [22] Even minor changes of the catalyst-electrolyte interface occurred during the electrocatalysis can substantially influence the overall catalytic performance.…”
mentioning
confidence: 99%
“…[12][13][14][15] In addition to the catalyst development, the design and optimization of reactors for CO 2 R give another route to enhance the catalytic efficiency. [16][17][18][19][20][21] Nevertheless, the industrialization of the CO 2 R is still inhibited by its unsatisfactory activity, selectivity, and durability, particularly for multi-carbon (C 2+ ) products.…”
mentioning
confidence: 99%
“… The fitting of XPS shows that the content of nitrogen in Ni 5 @NCN is 16.9 wt %, revealing the N-rich feature, which could increase metal loading (Table S1). As shown in Figure d, the deconvolution of the N 1s high-resolution spectrum of Ni 5 @NCN shows four main species including pyridinic (398.2 eV), pyrrolic (399.5 eV), graphitic (400.9 eV), and oxidized types (403.4 eV) of nitrogen. , At lower preparation temperature of 400 °C, the metal-N bonding was not formed and thus cannot be detected by XPS …”
Section: Resultsmentioning
confidence: 98%
“…Moreover, carbonate can transfer to the anode through the anion exchange membrane, thereby leading to significant carbon loss and a low CO 2 utilization efficiency [176,177]. Possible strategies for dealing with the carbonate issue are to use a cation exchange membrane, bipolar membrane, and solid electrolyte buffer layer [168, 169,[178][179][180]. This leads to an emerging direction, i.e., acid CO 2 electrolysis that has been demonstrated to suppress carbonate formation [181][182][183][184].…”
Section: Development Of Co 2 Electrolyzers At Industrial Current Dens...mentioning
confidence: 99%