Electrochemically mediated deionization: a review,Molecular Systems Design & Engineering

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Electrochemically mediated deionization: a review
Molecular Systems Design & Engineering ( IF 3.2 ) Pub Date : 2020-12-23 , DOI: 10.1039/d0me00090f
Adarsh Suresh _{1,

2,

3,

4} , Grant T. Hill _{1,

2,

3,

4} , Eli Hoenig _{1,

2,

3,

4} , Chong Liu _{1,

2,

3,

4}

Affiliation

Electrochemical deionization technologies allow generation of potable water from contaminated sources and extraction of valuable resources from seawater, brines and industrial wastewater—all in an environmentally friendly and energy efficient manner. In this review, we detail existing electrode materials, cell architectures, and charge transfer mechanisms related to electrochemically driven desalination and selective element extraction in aqueous environments. More specifically, we address capacitive and faradaic charge-transfer processes—ion electrosorption and ion intercalation, respectively. We also address selective electrosorption/electrodeposition at functionalized electrode surfaces. The selectivity is driven by ion specific interactions at the electrode, such as chelation and redox activity. Electrochemically mediated deionization strategies can help address the global need for potable water. Their widespread adoption hinges on a thorough understanding of the range of available deionization methods—which we attempt to provide in this review.

中文翻译：

电化学介导的去离子：综述

电化学去离子技术允许从污染源中产生饮用水，并从海水，盐水和工业废水中提取有价值的资源，所有这些都以环保和节能的方式实现。在这篇综述中，我们详细介绍了与水性环境中电化学驱动的脱盐和选择性元素提取有关的现有电极材料，电池结构和电荷转移机制。更具体地说，我们分别解决电容性和法拉第电荷转移过程-离子电吸附和离子嵌入。我们还将解决功能化电极表面的选择性电吸附/电沉积问题。选择性是由电极上的离子特异性相互作用（例如螯合和氧化还原活性）驱动的。电化学介导的去离子策略可以帮助解决全球对饮用水的需求。它们的广泛采用取决于对可用去离子方法范围的透彻了解，我们将在本次审查中尝试提供这些方法。

更新日期：2020-12-23

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