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dc.contributor.authorWang, Lijianen_US
dc.contributor.authorLiu, Fenghuaen_US
dc.contributor.authorNing, Yueshengen_US
dc.contributor.authorBradley, Roberten_US
dc.contributor.authorYang, Chengbinen_US
dc.contributor.authorYong, Ken-Tyeen_US
dc.contributor.authorZhao, Binyuanen_US
dc.contributor.authorWu, Weipingen_US
dc.identifier.citationWang, L., Liu, F., Ning, Y., Bradley, R., Yang, C., Yong, K.-T., . . . Wu, W. (2020). Biocompatible mesoporous hollow carbon nanocapsules for high performance supercapacitors. Scientific Reports, 10(1), 4306-. doi:10.1038/s41598-020-61138-4en_US
dc.description.abstractA facile and general method for the controllable synthesis of N-doped hollow mesoporous carbon nanocapsules (NHCNCs) with four different geometries has been developed. The spheres (NHCNC-1), low-concaves (NHCNC-2), semi-concaves (NHCNC-3) and wrinkles (NHCNC-4) shaped samples were prepared and systematically investigated to understand the structural effects of hollow particles on their supercapacitor performances. Compared with the other three different shaped samples (NHCNC-1, NHCNC-2, and NHCNC-4), the as-synthesized semi-concave structured NHCNC-3 demonstrated excellent performance with high gravimetric capacitance of 326 F g−1 (419 F cm−3) and ultra-stable cycling stability (96.6% after 5000 cycles). The outstanding performances achieved are attributed to the unique semi-concave structure, high specific surface area (1400 m2 g−1), hierarchical porosity, high packing density (1.41 g cm−3) and high nitrogen (N) content (up to 3.73%) of the new materials. These carbon nanocapsules with tailorable structures and properties enable them as outstanding carriers and platforms for various emerging applications, such as nanoscale chemical reactors, catalysis, batteries, solar energy harvest, gas storage and so on. In addition, these novel carbons have negligible cytotoxicity and high biocompatibility for human cells, promising a wide range of bio applications, such as biomaterials, drug delivery, biomedicine, biotherapy and bioelectronic devices.en_US
dc.description.sponsorshipEconomic Development Board (EDB)en_US
dc.description.sponsorshipMinistry of Education (MOE)en_US
dc.description.sponsorshipNanyang Technological Universityen_US
dc.description.sponsorshipNational Research Foundation (NRF)en_US
dc.relation.ispartofScientific Reportsen_US
dc.rights© 2020 The Author(s). This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit
dc.subjectEngineering::Electrical and electronic engineeringen_US
dc.titleBiocompatible mesoporous hollow carbon nanocapsules for high performance supercapacitorsen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen_US
dc.description.versionPublished versionen_US
dc.subject.keywordsElectrical and Electronic Engineeringen_US
dc.description.acknowledgementThis work is supported by the Innovate UK (Grant 104013), the Science and Technology Commission of Shanghai Municipality (STCSM) (Grant 17230732700), MOE Tier 2 Grants (MOE2017-T2-2-002, MOE2018-T2-1-045), NRF (M4197007.640), EDB (M4062065.A91), Lean Launch Pad International Market Validation Grant and the School of Electrical and Electronic Engineering, NTU, Singapore. This work is also supported by the institutional strategic grant - Global Challenges Research Fund (GCRF) that City, University of London receives from Research England, UK Research and Innovation (UKRI), the Natural Science Foundation from Shenzhen University (2019136, 2018011), Guangdong Medical Science and Technology Research grant (A2019359) and the Natural Science Foundation of Guangdong (2019A1515012163).en_US
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