石墨烯是2004年制备出的单层碳原子二维材料，具有比表面积大、导电性高等优点，近年来在电容去离子中作为电极材料的潜力逐渐受到关注。总结了自2009年第1篇相关文献发表以来石墨烯或其复合物(统称为石墨烯基电极材料)作为电容去离子电极材料的文献。首先总结了石墨烯基电极材料的制备技术；之后对石墨烯基电极材料的电极性能参数(比电容、比表面积、平均孔直径、导电性等)进行了归纳和比较；进一步讨论了不同石墨烯基电极材料应用于电容去离子的电吸附性能，并与其它碳电极材料作了对比；最后对石墨烯基电极材料用于电容去离子的研究方向作了展望。
Successfully isolated in 2004,graphene was a two-dimentional carbon material consisting of a single layer of carbon atoms.Due to its big specific surface area and high electrical conductivity,graphene has recently attracted increasing attention regarding its potential to serve as an electrode material for CDI.This paper reviews the literature applying graphene or graphene composites (collectively called graphene-based materials) as the CDI electrode materials (published since 2009 when the first relevant paper emerged).Firstly,the fabri-cation techniques of graphene-based materials were summarized.Then,the values of parameters describing the electrode performance of graphene-based materials were summarized (including specific capacitance,specific surface area,average pore diameter,and electrical conductivity)and comparisons regarding those key parame-ters were made between different graphene-based materials.Also,the NaCl electrosorption capacities of the graphene-based materials when applied in CDI were discussed and compared to those of other carbon electrode materials.Finally,prospects for future work on graphene-based materials as a CDI electrode were outlined.
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