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High performance supercapattery with rGO/TiO2 nanocomposites anode and activated carbon cathode

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dc.citedby30
dc.contributor.authorHeng I.en_US
dc.contributor.authorLow F.W.en_US
dc.contributor.authorLai C.W.en_US
dc.contributor.authorJuan J.C.en_US
dc.contributor.authorAmin N.en_US
dc.contributor.authorTiong S.K.en_US
dc.contributor.authorid57204918003en_US
dc.contributor.authorid56513524700en_US
dc.contributor.authorid54879860000en_US
dc.contributor.authorid56068042700en_US
dc.contributor.authorid7102424614en_US
dc.contributor.authorid15128307800en_US
dc.date.accessioned2023-05-29T07:24:02Z
dc.date.available2023-05-29T07:24:02Z
dc.date.issued2019
dc.descriptionActivated carbon; Anodes; Cathodes; Charge transfer; Crystallinity; Electric discharges; Graphene; Hybrid materials; Life cycle; Nanocrystals; Oxide minerals; Supercapacitor; Titanium dioxide; Charge transfer resistance; Charge-discharge cycle; Electrochemical performance; High specific capacity; Hydrothermal methods; Hydrothermal techniques; rGO/TiO2; Supercapattery; Reduced Graphene Oxideen_US
dc.description.abstractA hybrid material of reduced graphene oxide/titanium dioxide (rGO/TiO2)was successfully synthesized by facile hydrothermal technique. A different amount of GO ratios at 5%, 10%, 20%, and 30% were loaded with TiO2. It is a well-known fact that porous structure and crystallinity of resultant rGO/TiO2 play a crucial role in synergistic effect which facilitate electron transfer movement and reduce the volume changes during a charge-discharge cycle process. Based on the results obtained, an optimum of 10 wt % GO loading with TiO2 nanocrystals revealed that electrochemical performance achieved the highest specific capacity of 116.70 mAh/g with 0.2 A g?1 among samples. This result inferred that high efficiency of ion diffusion was obtained with low charge transfer resistance between TiO2 nanocrystals and rGO. The supercapattery was assembled in a configuration of optimized 10% rGO/TiO2 nanocomposites as anode while activated carbon as cathode. The result obtained a superior energy density of 54.37 Wh kg?1 at power density of 420.48 W kg?1. Additionally, the specific capacity still remained at 92% for 3000 charging-discharging cycles under a current density of 1 A g?1; hence, good life cycle stability, high specific capacity and low charge transfer resistance of rGO/TiO2 nanocomposites electrode suggested that the prepared materials was a promising anode material for supercapattery application. � 2019 Elsevier B.V.en_US
dc.description.natureFinalen_US
dc.identifier.doi10.1016/j.jallcom.2019.04.347
dc.identifier.epage24
dc.identifier.scopus2-s2.0-85065389462
dc.identifier.spage13
dc.identifier.urihttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85065389462&doi=10.1016%2fj.jallcom.2019.04.347&partnerID=40&md5=2d3c013130d21f9e39deff37aa38aeb4
dc.identifier.urihttps://irepository.uniten.edu.my/handle/123456789/24503
dc.identifier.volume796
dc.publisherElsevier Ltden_US
dc.sourceScopus
dc.sourcetitleJournal of Alloys and Compounds
dc.titleHigh performance supercapattery with rGO/TiO2 nanocomposites anode and activated carbon cathodeen_US
dc.typeArticleen_US
dspace.entity.typePublication
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