合成气
电解
可再生能源
工艺工程
发电
电
环境科学
废物管理
化学
氢
工程类
功率(物理)
电解质
电极
物理
有机化学
物理化学
量子力学
电气工程
作者
Andrés Raya-Imbernón,Angelika A. Samu,Stefan Barwe,Giuseppe Cusati,Tamás Fődi,Balázs M. Hepp,Csaba Janáky
出处
期刊:ACS energy letters
[American Chemical Society]
日期:2023-12-29
卷期号:: 288-297
标识
DOI:10.1021/acsenergylett.3c02446
摘要
The production of syngas (i.e., a mixture of CO and H2) via the electrochemical reduction of CO2 and water can contribute to the green transition of various industrial sectors. Here we provide a joint academic-industrial perspective on the key technical and economical differences of the concurrent (i.e., CO and H2 are generated in the same electrolyzer cell) and separated (i.e., CO and H2 are electrogenerated in different electrolyzers) production of syngas. Using a combination of literature analysis, experimental data, and techno-economic analysis, we demonstrate that the production of synthesis gas is notably less expensive if we operate a CO2 electrolyzer in a CO-selective mode and combine it with a separate PEM electrolyzer for H2 generation. We also conclude that by the further decrease of the cost of renewable electricity and the increase of CO2 emission taxes, such prepared renewable syngas will become cost competitive.
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