Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/140875
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dc.contributor.authorXie, Jianen_US
dc.contributor.authorChen, Wangqiaoen_US
dc.contributor.authorLong, Guankuien_US
dc.contributor.authorGao, Weiboen_US
dc.contributor.authorXu, Jason Zhichuanen_US
dc.contributor.authorLiu, Mingen_US
dc.contributor.authorZhang, Qichunen_US
dc.date.accessioned2020-06-02T09:20:25Z-
dc.date.available2020-06-02T09:20:25Z-
dc.date.issued2018-
dc.identifier.citationXie, J., Chen, W., Long, G., Gao, W., Xu, J. Z., Liu, M., & Zhang, Q. (2018). Boosting the performance of organic cathodes through structure tuning. Journal of Materials Chemistry A, 6(27), 12985-12991. doi:10.1039/c8ta03857ken_US
dc.identifier.issn2050-7488en_US
dc.identifier.urihttps://hdl.handle.net/10356/140875-
dc.description.abstractThe decisive factor to realize high-capacity rechargeable batteries is the cathode. Since the experimental capacity of inorganic cathodes is usually less than 200 mA h g−1, searching for new cathode materials to boost the capacity is highly desirable. Here, we design and synthesize two novel organic cathodes, poly(pyrene-4,5,9,10-tetraone) (PPTO) and poly(2,7-ethynylpyrene-4,5,9,10-tetraone) (PEPTO), based on the highly redox-active pyrene-4,5,9,10-tetraone. Due to their four Li+ ion intake characteristics, both cathodes show a large reversible capacity of 234 & 244 mA h g−1 and a high energy density of up to 530 & 507 W h kg−1, respectively. In particular, benefiting from the enhanced conjugation and planarity, PEPTO with the addition of a carbon–carbon triple bond (C[triple bond, length as m-dash]C) delivers a significantly improved rate stability at high current densities and an excellent capacity retention of 110 mA h g−1 after 1000 cycles (at 800 mA g−1). Our approach could provide an effective strategy to prepare new organic cathodes for the next generation of high stability and high energy density organic batteries through structure tuning.en_US
dc.description.sponsorshipMinistry of Education (MOE)en_US
dc.language.isoenen_US
dc.relationMOE 2017-T2-1-021en_US
dc.relationOpen Project of State Key Laboratory of Supramolecular Structure and Materials (Grant number: sklssm201833), Jilin University, China.en_US
dc.relation.ispartofJournal of Materials Chemistry Aen_US
dc.rights© 2018 The Royal Society of Chemistry. All rights reserved. This paper was published in Journal of Materials Chemistry A and is made available with permission of The Royal Society of Chemistry.en_US
dc.subjectEngineering::Materialsen_US
dc.titleBoosting the performance of organic cathodes through structure tuningen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Materials Science and Engineeringen_US
dc.contributor.schoolSchool of Physical and Mathematical Sciencesen_US
dc.contributor.organizationSingapore-HUJ Alliance for Research and Enterpriseen_US
dc.contributor.organizationNanomaterials for Energy and Water Managementen_US
dc.contributor.organizationCampus for Research Excellence and Technological Enterpriseen_US
dc.contributor.researchResearch Techno Plazaen_US
dc.contributor.researchTemasek Laboratoriesen_US
dc.identifier.doi10.1039/c8ta03857k-
dc.description.versionAccepted versionen_US
dc.identifier.scopus2-s2.0-85049874327-
dc.identifier.issue27en_US
dc.identifier.volume6en_US
dc.identifier.spage12985en_US
dc.identifier.epage12991en_US
dc.subject.keywordsOrganic Cathodesen_US
dc.subject.keywordsStructure Tuningen_US
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item.grantfulltextopen-
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