引用本文:
Yang Yang, Jing-Li Luo, Xian-Zhu Fu. Water-oxidation intermediates enabling electrochemical propylene epoxidation[J]. Chinese Journal of Structural Chemistry,
2024, 43(5): 100269.
doi:
10.1016/j.cjsc.2024.100269
Citation: Yang Yang, Jing-Li Luo, Xian-Zhu Fu. Water-oxidation intermediates enabling electrochemical propylene epoxidation[J]. Chinese Journal of Structural Chemistry, 2024, 43(5): 100269. doi: 10.1016/j.cjsc.2024.100269
Citation: Yang Yang, Jing-Li Luo, Xian-Zhu Fu. Water-oxidation intermediates enabling electrochemical propylene epoxidation[J]. Chinese Journal of Structural Chemistry, 2024, 43(5): 100269. doi: 10.1016/j.cjsc.2024.100269
Water-oxidation intermediates enabling electrochemical propylene epoxidation
摘要:
The successful implementation of direct anodic epoxidation relies on the compatibility of electrolyte system with specific catalysts and alkene substrates. In the oxidation of various alkene substrates using a water-acetonitrile mixed electrolyte, acetonitrile enhances the solubility of hydrophobic substrates, but organic solvents may increase the overall resistance of the electrolyte. When water is used as the sole solvent, gas-diffusion electrodes can address the low solubility issue of propylene. Therefore, water electrolyte is sufficient for epoxide production. PdPtOx/C catalyst on a gas-diffusion electrode exhibited an average Faradaic efficiency of approximately 60% for propylene epoxidation at a potential of 1.65 V (vs. SHE).
English
Water-oxidation intermediates enabling electrochemical propylene epoxidation
Abstract:
The successful implementation of direct anodic epoxidation relies on the compatibility of electrolyte system with specific catalysts and alkene substrates. In the oxidation of various alkene substrates using a water-acetonitrile mixed electrolyte, acetonitrile enhances the solubility of hydrophobic substrates, but organic solvents may increase the overall resistance of the electrolyte. When water is used as the sole solvent, gas-diffusion electrodes can address the low solubility issue of propylene. Therefore, water electrolyte is sufficient for epoxide production. PdPtOx/C catalyst on a gas-diffusion electrode exhibited an average Faradaic efficiency of approximately 60% for propylene epoxidation at a potential of 1.65 V (vs. SHE).
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