Role of the cathode chamber in microbial electrosynthesis: A comprehensive review of key factors

Engineering Microbiology Pub Date : 2024-02-17 DOI:10.1016/j.engmic.2024.100141

Ting Cai , Xinyu Gao , Xiaoyan Qi , Xiaolei Wang , Ruijun Liu , Lei Zhang , Xia Wang

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Abstract

The consumption of non-renewable fossil fuels has directly contributed to a dramatic rise in global carbon dioxide (CO₂) emissions, posing an ongoing threat to the ecological security of the Earth. Microbial electrosynthesis (MES) is an innovative energy regeneration strategy that offers a gentle and efficient approach to converting CO₂ into high-value products. The cathode chamber is a vital component of an MES system and its internal factors play crucial roles in improving the performance of the MES system. Therefore, this review aimed to provide a detailed analysis of the key factors related to the cathode chamber in the MES system. The topics covered include inward extracellular electron transfer pathways, cathode materials, applied cathode potentials, catholyte pH, and reactor configuration. In addition, this review analyzes and discusses the challenges and promising avenues for improving the conversion of CO₂ into high-value products via MES.

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阴极室在微生物电合成中的作用：关键因素综合评述

不可再生化石燃料的消耗直接导致全球二氧化碳（CO2）排放量急剧上升，对地球的生态安全构成持续威胁。微生物电合成（MES）是一种创新的能源再生策略，它提供了一种温和、高效的方法，将二氧化碳转化为高价值产品。阴极室是微生物电合成系统的重要组成部分，其内部因素对提高微生物电合成系统的性能起着至关重要的作用。因此，本综述旨在详细分析与 MES 系统中阴极室有关的关键因素。涉及的主题包括细胞外电子内向转移途径、阴极材料、应用阴极电位、阴极溶液 pH 值和反应器配置。此外，本综述还分析和讨论了通过 MES 将二氧化碳转化为高价值产品所面临的挑战和有前景的途径。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Engineering Microbiology

CiteScore

3.90

自引率

0.00%

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