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Harnessing the Potential of Hollow Graphitic Carbon Nanocages for Enhanced Methanol Oxidation Using PtRu Nanoparticles

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dc.citedby1
dc.contributor.authorRamli Z.A.C.en_US
dc.contributor.authorPasupuleti J.en_US
dc.contributor.authorKamarudin S.K.en_US
dc.contributor.authorZainoodin A.M.en_US
dc.contributor.authorIsahak W.N.R.W.en_US
dc.contributor.authorKoh S.P.en_US
dc.contributor.authorKiong S.T.en_US
dc.contributor.authorid55900541000en_US
dc.contributor.authorid11340187300en_US
dc.contributor.authorid6506009910en_US
dc.contributor.authorid35757181700en_US
dc.contributor.authorid57208034136en_US
dc.contributor.authorid22951210700en_US
dc.contributor.authorid59368823600en_US
dc.date.accessioned2025-03-03T07:41:58Z
dc.date.available2025-03-03T07:41:58Z
dc.date.issued2024
dc.description.abstractDirect Methanol Fuel Cell (DMFC) is a powerful system for generating electrical energy for various applications. However, there are several limitations that hinder the commercialization of DMFCs, such as the expense of platinum (Pt) at market price, sluggish methanol oxidation reaction (MOR) due to carbon monoxide (CO) formation, and slow electrooxidation kinetics. This work introduces carbon nanocages (CNCs) that were obtained through the pyrolysis of polypyrrole (Ppy) as the carbon source. The CNCs were characterized using BET, XRD, HRTEM, TEM, SEM, and FTIR techniques. The CNCs derived from the Ppy source, pyrolyzed at 750 �C, exhibited the best morphologies with a high specific surface area of 416 m2g?1, allowing for good metal dispersion. Subsequently, PtRu catalyst was doped onto the CNC-Ppy750 support using chemical reduction and microwave-assisted methods. In electrochemical tests, the PtRu/CNC-Ppy750 electrocatalyst demonstrated improved CO tolerance and higher performance in MOR compared to PtRu-supported commercial carbon black (CB), with values of 427 mA mg?1 and 248 mA mg?1, respectively. The superior MOR performance of PtRu/CNC-Ppy750 was attributed to its high surface area of CNC support, uniform dispersion of PtRu catalyst, and small PtRu nanoparticles on the CNC. In DMFC single-cell tests, the PtRu/CNC-Ppy750 exhibited higher performance, approximately 1.7 times higher than PtRu/CB. In conclusion, the PtRu/CNC-PPy750 represents a promising electrocatalyst candidate for MOR and anodic DMFC applications. ? 2024 by the authors.en_US
dc.description.natureFinalen_US
dc.identifier.ArtNo2684
dc.identifier.doi10.3390/polym16192684
dc.identifier.issue19
dc.identifier.scopus2-s2.0-85206497174
dc.identifier.urihttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85206497174&doi=10.3390%2fpolym16192684&partnerID=40&md5=627f349b76e32178e57bf769bac12357
dc.identifier.urihttps://irepository.uniten.edu.my/handle/123456789/36334
dc.identifier.volume16
dc.publisherMultidisciplinary Digital Publishing Institute (MDPI)en_US
dc.relation.ispartofAll Open Access; Gold Open Access
dc.sourceScopus
dc.sourcetitlePolymers
dc.subjectAnodic oxidation
dc.subjectBioremediation
dc.subjectMethanol fuels
dc.subjectNanoclay
dc.subjectNanoparticles
dc.subjectPalladium
dc.subjectPlatinum alloys
dc.subjectPlatinum compounds
dc.subjectPyrolysis
dc.subjectRate constants
dc.subjectAnodic catalyst
dc.subjectCarbon nanocage support
dc.subjectCarbon nanocages
dc.subjectDirect-methanol fuel cells
dc.subjectEnergy productions
dc.subjectMethanol oxidation reactions
dc.subjectPolypyrrole-carbon nanocage
dc.subjectPt-Ru nanoparticles
dc.subject]+ catalyst
dc.subjectDirect methanol fuel cells (DMFC)
dc.titleHarnessing the Potential of Hollow Graphitic Carbon Nanocages for Enhanced Methanol Oxidation Using PtRu Nanoparticlesen_US
dc.typeArticleen_US
dspace.entity.typePublication
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