铜
锡
电解
阳极
电化学
涂层
阴极保护
氧化铜
催化作用
太阳能
太阳能电池
图层(电子)
无机化学
材料科学
氧化物
纳米线
纳米技术
化学
电极
电解质
冶金
光电子学
生态学
生物化学
物理化学
生物
出处
期刊:Science
[American Association for the Advancement of Science (AAAS)]
日期:2017-06-29
卷期号:356 (6345): 1347.7-1348
标识
DOI:10.1126/science.356.6345.1347-g
摘要
Electrochemistry
Copper could be a cost-effective catalyst for solar-powered reduction of CO2 to fuels and chemicals, but it tends to produce a variety of different products. Building on recent observations, Schreier et al. now show that coating copper oxide nanowires with tin oxide by atomic layer deposition confers high selectivity for CO production in CO2 electrolysis. Moreover, these nanowires proved effective in catalyzing the anodic oxidation of water to oxygen as well. The authors took advantage of a bipolar membrane to carry out the cathodic and anodic reactions at neutral and basic pH, respectively, reaching a solar-to-CO2 conversion efficiency of 13.4% with a three-junction solar cell to power the process.
Nat. Energy 2 , 17087 (2017).
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