CAS OpenIR
Graphene-based synthetic fabric cathodes with specific active oxygen functional groups for efficient hydrogen peroxide generation and homogeneous electro-Fenton processes
Li, Chang1; Hu, Chaoquan1,2; Song, Yang1; Sun, Yi-Meng1,3; Yang, Weisheng1; Ma, Meng1
2022
Source PublicationCARBON
ISSN0008-6223
Volume186Pages:699-710
AbstractThe development of a novel and versatile cathode, identification of catalytic active sites, and targeted modification of the cathode with active species represent potential development trends for electrochemical hydrogen peroxide (H2O2) generation and its electro-Fenton applications. This work is the first study of a 3D reduced graphene oxide synthetic fabric (rGOSF) cathode with sufficient electrocatalytic activity for H2O2 generation. A multi-step reduction strategy was proposed to tailor the types of oxygen functional groups on rGOSF. The subsequent H2O2 electrochemical generation performance demonstrates that active sites are derived from carboxyl groups. Density functional theory (DFT) calculations confirm the important role of carboxyl groups for oxygen reduction to generate H2O2. A carboxyl-rich functional molecule was then selected to develop the active species-modified rGOSF cathode via a wet co-spinning assembly. The resultant carboxyl-functionalized rGOSF exhibits significantly enhanced activity for H2O2 generation, as well as efficient removal of typical organic pollutants via the homogeneous electro-Fenton process. (C) 2021 Elsevier Ltd. All rights reserved.
KeywordGraphene cathode Hydrogen peroxide Oxygen reduction reaction Oxygen functional groups Active sites Electro-Fenton
DOI10.1016/j.carbon.2021.10.063
Language英语
WOS KeywordNITROGEN-DOPED CARBON ; ELECTROCHEMICAL SYNTHESIS ; H2O2 ELECTROGENERATION ; ORGANIC POLLUTANTS ; REDUCTION REACTION ; GRAPHITE FELT ; OXIDE-FILMS ; OXIDATION ; WATER ; SELECTIVITY
Funding ProjectNational Natural Science Foundation of China (NSFC)[22078328]
WOS Research AreaChemistry ; Materials Science
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary
Funding OrganizationNational Natural Science Foundation of China (NSFC)
WOS IDWOS:000720843900004
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/51141
Collection中国科学院过程工程研究所
Corresponding AuthorHu, Chaoquan
Affiliation1.Nanjing IPE Inst Green Mfg Ind, Nanjing 211135, Jiangsu, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
3.Natl Cent Univ, Dept Chem & Mat Engn, Taoyuan 32001, Taiwan
Recommended Citation
GB/T 7714
Li, Chang,Hu, Chaoquan,Song, Yang,et al. Graphene-based synthetic fabric cathodes with specific active oxygen functional groups for efficient hydrogen peroxide generation and homogeneous electro-Fenton processes[J]. CARBON,2022,186:699-710.
APA Li, Chang,Hu, Chaoquan,Song, Yang,Sun, Yi-Meng,Yang, Weisheng,&Ma, Meng.(2022).Graphene-based synthetic fabric cathodes with specific active oxygen functional groups for efficient hydrogen peroxide generation and homogeneous electro-Fenton processes.CARBON,186,699-710.
MLA Li, Chang,et al."Graphene-based synthetic fabric cathodes with specific active oxygen functional groups for efficient hydrogen peroxide generation and homogeneous electro-Fenton processes".CARBON 186(2022):699-710.
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