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dc.contributor.authorCheng, Honghong
dc.contributor.authorYi, Fenyun
dc.contributor.authorGao, Aimei
dc.contributor.authorLiang, Hanfeng
dc.contributor.authorShu, Dong
dc.contributor.authorZhou, Xiaoping
dc.contributor.authorHe, Chun
dc.contributor.authorZhu, Zhenhua
dc.date.accessioned2019-07-31T07:48:57Z
dc.date.available2019-07-31T07:48:57Z
dc.date.issued2019-06-03
dc.identifier.citationCheng, H., Yi, F., Gao, A., Liang, H., Shu, D., Zhou, X., … Zhu, Z. (2019). Supermolecule Self-Assembly Promoted Porous N, P Co-Doped Reduced Graphene Oxide for High Energy Density Supercapacitors. ACS Applied Energy Materials, 2(6), 4084–4091. doi:10.1021/acsaem.9b00204
dc.identifier.doi10.1021/acsaem.9b00204
dc.identifier.urihttp://hdl.handle.net/10754/656257
dc.description.abstractInspired by supermolecular self-assembly strategy, the N, P co-doped reduced graphene oxide (NP-rGO) material is fabricated by heat treatment from the supermolecular system of GO/MP (melamine and phytic acid supramolecular polymer). Herein, MP acts as not only a “sacrifice template” to promote the formation of uniform three-dimensional (3D) porous structure but also a spacer to hinder the graphene sheets from aggregate, as well as a precursor of nitrogen and phosphorus for N, P co-doping. The characterization results indicate that the NP-rGO has 3D porous structure with loose-packed and crumpled transparent thin layer morphology. The electrochemical measurements reveal that compared with the undoped rGO, the NP-rGO exhibits enhanced capacitive properties, including high specific capacitance (416 F g–1) and outstanding rate capability. After 10 000 cycles 94.63% capacitance is maintained, indicating good cycle stability. The NP-rGO is further assembled into symmetric supercapacitors, and the energy density of the NP-rGO is 22.3 Wh kg–1 (at 500 W kg–1). The outstanding supercapacitive properties may be attributed to the pesudocapacitive effect of N, P co-doping in graphene nanosheets as well as exceptional 3D porous structure.
dc.description.sponsorshipThe authors acknowledge the following financial supporters of this work: the National Natural Science Foundation of China (Grants 21673086 and 51578556), the Scientific and Technological Plan of Guangdong Province (lithium ion capacitor).
dc.publisherAmerican Chemical Society (ACS)
dc.relation.urlhttp://pubs.acs.org/doi/10.1021/acsaem.9b00204
dc.rightsThis document is the Accepted Manuscript version of a Published Work that appeared in final form in ACS Applied Energy Materials, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see http://pubs.acs.org/doi/10.1021/acsaem.9b00204.
dc.subjectgraphene
dc.subjectsupermolecular self-assembly
dc.subjectN, P co-doping
dc.subjecthigh energy density
dc.subjecthydrothermal
dc.subjectsupercapacitor
dc.titleSupermolecule Self-Assembly Promoted Porous N, P Co-Doped Reduced Graphene Oxide for High Energy Density Supercapacitors
dc.typeArticle
dc.contributor.departmentPhysical Science and Engineering (PSE) Division
dc.identifier.journalACS Applied Energy Materials
dc.rights.embargodate2020-06-03
dc.eprint.versionPost-print
dc.contributor.institutionSchool of Chemistry and Environment, South China Normal University, Guangzhou 510006, P. R. China
dc.contributor.institutionEngineering Research Center of Materials and Technology for Electrochemical Energy Storage (Ministry of Education), Guangzhou 510006, P. R. China
dc.contributor.institutionSchool of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510275, P. R. China
kaust.personLiang, Hanfeng
dc.date.published-online2019-06-03
dc.date.published-print2019-06-24


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