非常规电解质中二氧化碳的电化学转化:近期成就和未来挑战

IF 2.9 Q2 ELECTROCHEMISTRY
Elizabeth Sargeant, Paramaconi Rodríguez
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引用次数: 5

摘要

传统水电解质中CO2的电化学还原对所需产物的法拉第效率较低,这可以追溯到CO2溶解度低和析氢反应的强烈竞争。非常规电解质的使用旨在缓解这些问题。本文将对CO2在有机溶剂、离子液体、固体电解质和盐水中电化学转化的最新研究成果进行综述。我们总结了每个系统在活性、选择性和耐久性方面的发现。此外,还对水、阳离子和阴离子在反应中的作用作了展望。我们还强调了电化学减少每种电解质中二氧化碳的挑战。本文所涉及的所有研究对实现非常规电解质中CO2电解槽的技术目标具有重要意义。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Electrochemical conversion of CO2 in non-conventional electrolytes: Recent achievements and future challenges

Electrochemical conversion of CO2 in non-conventional electrolytes: Recent achievements and future challenges

Electrochemical reduction of CO2 in traditional aqueous electrolytes suffers from low faradaic efficiency towards desired products which can be traced back to low CO2 solubility and strong competition from the hydrogen evolution reaction. The use of non-conventional electrolytes aims to mitigate these issues. This review will give a focused overview summarizing some of the most recent contributions on the electrochemical conversion of CO2 in organic solvents, ionic liquids, solid electrolytes, and brines. We summarize the findings in terms of activity, selectivity, and durability for each of the systems. In addition, it provides an outlook about the role of water, cations, and anions in the reaction. We also highlight the challenges of the electrochemical reduction of CO2 in each of the electrolytes. All the studies referred to in this review contribute meaningfully to reaching the technical targets for CO2 electrolyzers in non-conventional electrolytes.

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CiteScore
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