Research progress on electro-sorption technology and fabrication of adsorptive electrode materials

doi:10.11949/0438-1157.20201019

Abstract

Abstract:

Due to the technical advantages of eco-friendly cleanliness, simplicity and energy saving, electrosorption technology has important application potential in the fields of seawater desalination and pollutant adsorption treatment. The key of high-efficiency electro-sorption and high adsorption capacity for ions is how to construct adsorption electrode with a high charge capacity. In this paper, the theoretical model of double layer for ions adsorption and storage by electro-sorption technology was introduced based on the principle of electro-sorption technology, and the research progress of electro-sorption technology was summarized as well. Next, the carbon adsorption electrode, metal oxide adsorption electrode and composite adsorption electrode were reviewed from the point of materials fabrication, respectively. It summarized the merits and deficiencies of each kind of electrode materials, and the proposed corresponding solutions for the deficiencies from researchers were also analyzed and summarized. With the goal of high-efficient practical application for electro-sorption technology, it also prospected the design and preparation of electrode materials.

Key words: electro-sorption technology, double layer, carbon electrode, layered metal oxide electrode, composite electrode

摘要：

电吸附技术得益于环保、清洁、简单和节能的技术优势，在海水脱盐淡化及污染物吸附处理领域具有重要的应用潜力。如何构建高电荷容量的吸附电极是构建高效电吸附装置、提高吸附效率的关键所在。本文从电吸附技术原理出发，介绍了电吸附技术吸附储存离子的双电层理论模型，并对电吸附技术的研究进展进行了总结。随后从吸附电极材料制备角度对碳吸附电极、层状金属氧化物吸附电极、复合型吸附电极分别进行综述，对每一类电极材料特点及不足进行了总结，归纳分析了针对各类材料不足之处的解决方案，并基于高效电吸附技术实际应用目标，对吸附电极材料的设计制备进行了展望。

关键词: 电吸附技术, 双电层, 碳材料吸附电极, 层状金属氧化物电极, 复合型吸附电极

CLC Number:

TQ 028.8

BIAN Weibai, PAN Jianming. Research progress on electro-sorption technology and fabrication of adsorptive electrode materials[J]. CIESC Journal, 2021, 72(1): 304-319.

卞维柏, 潘建明. 电吸附技术及吸附电极材料研究进展[J]. 化工学报, 2021, 72(1): 304-319.

Figures/Tables 10

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