二维纳米材料在电容去离子中的研究进展

Research progress on two-dimensional nanomaterials for capacitive deionization

电容去离子是一种绿色的海水淡化技术,具有能耗低、操作简单、容易再生、成本低且无二次污染等优点。二维纳米材料因具有较大比表面积、独特的电子结构和优异的化学稳定性,在海水淡化领域受到广泛关注。介绍了石墨烯、过渡金属碳/氮/碳氮化物、过渡金属二硫化物、层状双金属氢氧化物等纳米材料在电容去离子中的研究进展,为新型材料的优化设计和深度应用提供参考。

Capacitive deionization(CDI)is a novel desalination technology with the advantages of low energy consumption,simple operation,easy regeneration,low cost and no secondary pollution.Two-dimensional(2D)nanomaterials have received much attention in the field of seawater desalination because of their large specific surface area,unique electronic structure and excellent chemical stability.This paper reviewed the research progress and application prospects of representative 2D electrode materials in CDI in recent years,including graphene,transition metal carbon/nitrogen/carbon nitride(MXene),transition metal disulfide(MoS_(2)),and layered metal hydroxides(LDH),which provided useful reference for the optimal design and advanced application of new materials.