| DOI: | 10.1016/j.jcou.2017.05.002
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| Scopus记录号: | 2-s2.0-85019268252
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| 论文题名: | High-activity Cu nanowires electrocatalysts for CO2 reduction |
| 作者: | Huang P.; Ci S.; Wang G.; Jia J.; Xu J.; Wen Z.
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| 刊名: | Journal of CO2 Utilization
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| ISSN: | 22129820
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| 出版年: | 2017
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| 卷: | 20 | | 起始页码: | 27
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| 结束页码: | 33
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| 语种: | 英语
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| 英文关键词: | CO2 reduction
; CuO nanowires
; Electrocatalysis
; Energy conversion
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| Scopus关键词: | Carbon
; Copper oxides
; Electrocatalysis
; Electrocatalysts
; Energy conversion
; Nanoparticles
; Nanostructures
; Nanowires
; Reduction
; Applied potentials
; CuO nanowires
; Electrocatalytic activity
; Electrochemical conversion
; Electrochemical studies
; Electrochemical surface area
; One dimensional (1D) structures
; Reduction reaction
; Carbon dioxide
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| 英文摘要: | The daunting challenge in electrochemical conversion of CO2 into carbon resource is to explore high-activity and high-selectivity electrocatalysts for CO2 reduction reaction (CO2RR). Here, we report a water-bath route for tunable synthesis of a set of CuO nanostructures including nanowires (NWs), microsphere and nanoflake. The CuO NWs show a unique one-dimensional (1D) structure constructed by nanoparticles building block and manifest a significantly enhanced electrochemical surface area compared with the counterparts and the bulk CuO. Systematic electrochemical studies demonstrate the CuO NWs, as electrocatalyst of CO2RR, manifests a highly electrocatalytic activity, as demonstrated by reaching a current dentistry of 2 mA cm-2 at a relative low onset potential and delivering a catalytic current density of up to 100 mA cm-2 at -1.6 V. The nanoparticles assembled 1D structure provides a large amount of edge active sites and thus contributes to such a high electrocatalytic activity. Besides a small quantity of HCOOH, the major products of CO2RR are H2, CO, with tunable ratio of H2/CO in the range of 1.75:1 to 2.75:1 depending on the applied potential; such H2/CO mixture product are potentially used for the syngas that are key feedstocks to produce a variety of liquid fuels in industry. © 2017 Elsevier Ltd. All rights reserved. |
| 资助项目: | Nanchang Hangkong University
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| Citation statistics: |
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| 资源类型: | 期刊论文
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| 标识符: | http://119.78.100.158/handle/2HF3EXSE/52689
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| Appears in Collections: | 影响、适应和脆弱性
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| Recommended Citation: | |
Huang P.,Ci S.,Wang G.,et al. High-activity Cu nanowires electrocatalysts for CO2 reduction[J]. Journal of CO2 Utilization,2017-01-01,20
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