Electrocatalytic conversion of CO2 to added-value chemicals in a high-temperature proton-exchange membrane reactor
作者： N. Gutiérrez-Guerra , J.L. Valverde , A. Romero , J.C. Serrano-Ruiz , A. de Lucas-Consuegra
DOI: 10.1016/J.ELECOM.2017.06.018
关键词:
摘要: Abstract We have developed a novel gas-phase electrocatalytic system for the conversion of CO 2 into added-value chemicals. The is based on high-temperature proton-exchange membrane reactor containing Cu cathodic catalyst supported carbon nanofibers (CNFs) and an H 3 PO 4 -doped polybenzimidazole polymer electrolyte (PBI). resulting Cu–CNFs/PBI/IrO electrode assembly (MEA) allowed utilization higher temperatures (110 °C) than has been previously reported. application low current density (− 0.8 mA/cm ) permitted direct transformation various organic compounds in C 1 –C range, acetaldehyde being most common product (85% selectivity). (− 1.6 mA/cm increased overall activity system, producing lighter more saturated compounds. electrochemical cell proposed this work allows valuable products under mild conditions (i.e., room pressure, 110 °C) with no requirement using electrical energy that could potentially be obtained from renewable sources.
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