期刊
ADVANCED MATERIALS
卷 31, 期 31, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201807166
关键词
carbon dioxide reduction; catalytic mechanisms; electrocatalysis; electrolyzers; nanomaterials
类别
资金
- Ontario Research Fund: Research Excellence Program
- Natural Sciences and Engineering Research Council (NSERC) of Canada
- CIFAR
- Fonds de Recherche du Quebec - Nature et Technologies
- NSERC E.W.R. Steacie Memorial Fellowship
- Government of Canada
- NSERC
- Hatch
- Government of Ontario
- Canada Research Chairs program
The electrochemical reduction of CO2 is a promising route to convert intermittent renewable energy to storable fuels and valuable chemical feedstocks. To scale this technology for industrial implementation, a deepened understanding of how the CO2 reduction reaction (CO2RR) proceeds will help converge on optimal operating parameters. Here, a techno-economic analysis is presented with the goal of identifying maximally profitable products and the performance targets that must be met to ensure economic viability-metrics that include current density, Faradaic efficiency, energy efficiency, and stability. The latest computational understanding of the CO2RR is discussed along with how this can contribute to the rational design of efficient, selective, and stable electrocatalysts. Catalyst materials are classified according to their selectivity for products of interest and their potential to achieve performance targets is assessed. The recent progress and opportunities in system design for CO2 electroreduction are described. To conclude, the remaining technological challenges are highlighted, suggesting full-cell energy efficiency as a guiding performance metric for industrial impact.
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