Journal
GREEN CHEMISTRY
Volume 24, Issue 9, Pages 3655-3661Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1gc04777a
Keywords
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Funding
- National Natural Science Foundation of China [1972096]
- Shenzhen Science and Technology Program [JCYJ20190808150615285]
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Recently, organic electrosynthesis has gained significant attention in the fields of electrocatalysis and biomass. In this study, a highly efficient electrocatalytic system for the hydrogenation of cinnamaldehyde to cinnamic alcohol was developed, achieving impressive faradaic efficiency and conversion rate. Preliminary techno-economic analysis demonstrated the potential profitability of this electrocatalytic hydrogenation system.
Recently, organic electrosynthesis has attracted tremendous interest in the fields of electrocatalysis and biomass. Cinnamaldehyde is an abundant natural biomass that can be simply extracted from cinnamon. Its various hydrogenated derivatives have been widely used in perfumes, medicines, and edible flavors. Here, we developed an efficient electrocatalytic system for the hydrogenation of cinnamaldehyde and achieved a record total faradaic efficiency of 87.54%, demonstrating fantastic energy utilization efficiency. For the main product, cinnamic alcohol, a partial faradaic efficiency of 41.15% was achieved at a current density of 50 mA cm(-2), superior to prior reports. The conversion rate was estimated as 96.21% for a 7-hour continuous reaction. Furthermore, a preliminary techno-economic analysis (TEA) was carried out and it demonstrated that our electrocatalytic hydrogenation system is potentially profitable for upgrading cinnamaldehyde to high value-added chemicals.
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