UM
Influence of Pd 1 Pt x alloy NPs on graphene aerogel/nickel foam as binder-free anodic electrode for electrocatalytic ethanol oxidation reaction
Tsang C.H.A.2; Hui K.N.1; Hui K.S.3
2019-02-15
Source PublicationJournal of Power Sources
ISSN03787753
Pages98-106
AbstractHighly active and stable electrocatalysts for ethanol oxidation reaction (EOR) are very important for applications in fuel cells. Even though huge efforts have been devoted to enhancing their catalytic activity, preparation of open-structure electrodes by a green and binder-free method remains a challenge. It is obvious in graphene aerogel (GA) based materials due to the destruction of the original GA structure by traditional fabrication methods. In this report, Pd Pt alloy NPs/GA/nickel foam electrodes (Pd Pt /GA/NF) were prepared by a green, simple and binder-free one-step method. The results show that the mean particle size and distribution of Pd Pt alloy NPs and the Pd Pt loading ratios (at%; x = 2.92, 1.31, 1.03) on the electrodes are strongly dependent on the initial concentration of PtCl ions in the synthesis solution. The Pd Pt /GA/NF electrodes were evaluated for EOR. The Pd Pt /GA/NF electrode exhibits high activity and stability in EOR under a long operation (1000 cycles), which are attributed to the synergistic effect of the bimetallic Pd Pt alloy NPs on the electrode. This study introduced a binder-free, current-collector-free electrode preparation method which may provide new opportunities to develop high-performance electrodes for energy generation and storage technologies.
KeywordEthanol Graphene aerogel Nickel foam Palladium Platinum
DOI10.1016/j.jpowsour.2018.12.019
URLView the original
Language英語
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Cited Times [WOS]:3   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Affiliation1.Universidade de Macau
2.City University of Hong Kong
3.University of East Anglia
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GB/T 7714
Tsang C.H.A.,Hui K.N.,Hui K.S.. Influence of Pd 1 Pt x alloy NPs on graphene aerogel/nickel foam as binder-free anodic electrode for electrocatalytic ethanol oxidation reaction[J]. Journal of Power Sources,2019:98-106.
APA Tsang C.H.A.,Hui K.N.,&Hui K.S..(2019).Influence of Pd 1 Pt x alloy NPs on graphene aerogel/nickel foam as binder-free anodic electrode for electrocatalytic ethanol oxidation reaction.Journal of Power Sources,98-106.
MLA Tsang C.H.A.,et al."Influence of Pd 1 Pt x alloy NPs on graphene aerogel/nickel foam as binder-free anodic electrode for electrocatalytic ethanol oxidation reaction".Journal of Power Sources (2019):98-106.
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