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dc.contributor.author Razmjooei, Fatemeh -
dc.contributor.author Singh, Kiranpal -
dc.contributor.author Kang, Tong Hyun -
dc.contributor.author Chaudhari, Nitin -
dc.contributor.author Yuan, Jinliang -
dc.contributor.author Yu, Jong-Sung -
dc.date.available 2017-09-27T01:15:41Z -
dc.date.created 2017-09-27 -
dc.date.issued 2017-09 -
dc.identifier.issn 2045-2322 -
dc.identifier.uri http://hdl.handle.net/20.500.11750/4544 -
dc.description.abstract Obtaining functionalized carbonaceous materials, with well-developed pores and doped heteroatoms, from waste precursors using environmentally friendly processes has always been of great interest. Herein, a simple template-free approach is devised to obtain porous and heteroatom-doped carbon, by using the most abundant human waste, ""urine"". Removal of inherent mineral salts from the urine carbon (URC) makes it to possess large quantity of pores. Synergetic effect of the heteroatom doping and surface properties of the URC is exploited by carrying out energy storage application for the first time. Suitable heteroatom content and porous structure can enhance the pseudo-capacitance and electric double layer capacitance, eventually generating superior capacitance from the URC. The optimal carbon electrode obtained particularly at 900 degrees C (URC-900) possesses high BET surface area (1040.5 m(2)g(-1)), good conductivity, and efficient heteroatom doping of N, S, and P, illustrating high specific capacitance of 166 Fg(-1) at 0.5 Ag-1 for three-electrode system in inorganic electrolyte. Moreover, the URC-900 delivers outstanding cycling stability with only 1.7% capacitance decay over 5,000 cycles at 5 Ag-1. Present work suggests an economical approach based on easily available raw waste material, which can be utilized for large-scale production of new age multi-functional carbon nanomaterials for various energy applications. -
dc.language English -
dc.publisher Nature Publishing Group -
dc.title Urine to highly porous heteroatom-doped carbons for supercapacitor: A value added journey for human waste -
dc.type Article -
dc.identifier.doi 10.1038/s41598-017-11229-6 -
dc.identifier.scopusid 2-s2.0-85029100013 -
dc.identifier.bibliographicCitation Scientific Reports, v.7, no.1 -
dc.description.isOpenAccess FALSE -
dc.subject.keywordPlus Electrocatalytic Oxygen Reduction -
dc.subject.keywordPlus Electrode Material -
dc.subject.keywordPlus Energy Storage -
dc.subject.keywordPlus Functionalized Graphene -
dc.subject.keywordPlus High Performance Supercapacitor -
dc.subject.keywordPlus High Surface Area -
dc.subject.keywordPlus Ordered Mesoporous Carbon -
dc.subject.keywordPlus Power Density -
dc.subject.keywordPlus Solid State Supercapacitors -
dc.citation.number 1 -
dc.citation.title Scientific Reports -
dc.citation.volume 7 -

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