Dry Reforming of Ethane and Butane with CO<sub>2</sub> over PtNi/CeO<sub>2</sub> Bimetallic Catalysts

Yan, Binhang; Yang, Xiaofang; Yao, Siyu; Wan, Jie; Myint, MyatNoeZin; Gomez, Elaine; Xie, Zhenhua; Kattel, Shyam; Xu, Wenqian; Chen, Jingguang G.

doi:10.1021/acscatal.6b02176

Cited by 115 publications

(60 citation statements)

References 40 publications

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“…The noble metal (Rh, Ru, Ir, Pt and Pd) catalysts have high catalytic activity and carbon deposition resistance, and the advantages of high temperature resistance, oxidation resistance and corrosion resistance. Researchers are more concerned about Pt due to its excellent catalytic performance, but Pt is too expensive to industrial production. Pd and Pt are in the same group, have similar chemical properties, are more economical, and can be used for the activation of C−H bonds .…”

Section: Introductionmentioning

confidence: 99%

Activation Pathway of C‐H and C–C Bonds of Ethane by Pd Atom with CO₂ as a Soft Oxidant

et al. 2019

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Ethane and CO2 can be converted to synthesis (CO and H2) via the dry reforming pathway and formed important industrial raw material ethylene through oxidative dehydrogenation pathway, which are relating to the C−C bond and C−H bond cleavage, respectively. In this study, density functional theory was used to study the activation reaction of ethane C−H bond, C−C bond on Pd atom with CO2 as oxidant. CH3CH3→CH2CH3+H→CH2CH2+2H is the dominant path for dehydrogenation to ethylene. Adding an appropriate amount of H2 can reduce the deep dehydrogenation of ethylene and increase the selectivity. Under the condition of 873 K with Pd atom as catalyst, it is more inclined to ethane/CO2 reforming reaction. The main route for generating CO is CH3CH2+H→CH3+CH3→CH2→CHOH→CHO→CO. H atoms are conducive to the activation of CO2, CO2+H→COOH→CO+OH is the dominant reaction pathway for CO2 activation. The first reaction in the whole system is the first C−H bond cleavage of ethane.

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Section: Introductionmentioning

confidence: 99%

Activation Pathway of C‐H and C–C Bonds of Ethane by Pd Atom with CO₂ as a Soft Oxidant

et al. 2019

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“…Compared to the monometallic counterparts, RuFe NAs exhibit four‐fold reaction rate increase in the selective hydrogenation of CO but not of aromatic rings . In the dry reforming of alkanes, the activity and stability of PtNi catalyst can be distinctly improved compared with single metals, because a Pt‐rich surface weakens the surface O binding strength and thus reduces the activation energy for CC bond scission . PtCu single‐atom alloys have exhibited 100% selectivity toward the dehydrogenation of formic acid, which is a sixfold increase in the yield compared with Cu .…”

Section: Noble/base Metal Mixed Nas For Chemical Catalysismentioning

confidence: 99%

Nanoalloy Materials for Chemical Catalysis

et al. 2018

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Nanoalloys (NAs), which are distinctly different from bulk alloys or single metals, take on intrinsic features including tunable components and ratios, variable constructions, reconfigurable electronic structures, and optimizable performances, which endow NAs with fascinating prospects in the catalysis field. Here, the focus is on NA materials for chemical catalysis (except photocatalysis or electrocatalysis). In terms of composition, NA systems are divided into three groups, noble metal, base metal, and noble/base metal mixed NAs. Their design and fabrication for the optimization of catalytic performance are systematically summarized. Additionally, the correlations between the composition/structure and catalytic properties are also mentioned. Lastly, the challenges faced in current research are discussed, and further pathways toward their development are suggested.

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“…Rameshan et al [104] GaPd 2 Mayr et al [105] ,H aghofer et al [106] In-Pt/Al 2 O 3 Barbosa et al [107] Methaned ry reforming Metal(Co, Ni, Cu)/CeO 2 Liu et al [108] Ethane, butaned ry reforming PtNi/CeO 2 Yanet al [109]…”

Section: Pdgamentioning

confidence: 99%

Ambient Pressure Photoelectron Spectroscopy: Opportunities in Catalysis from Solids to Liquids and Introducing Time Resolution

2018

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Photoelectron spectroscopy is an excellent technique to explore chemically complex systems in catalysis. However, due to a small mean free path of photoelectrons in gas, liquid, and solid media, the study of the gas–solid, liquid–gas, solid–liquid interfaces, as well as liquid homogeneous systems are a serious challenge. With differentially pumped analyzers this limitation ceases to exist and no longer restricts photoelectron spectroscopy only to ultra‐high vacuum conditions. Presently, photoemission studies at tens of mbar of pressure are possible. To reach atmospheric pressure and even higher, membrane‐covered closed cells have been developed. Graphene membranes are impermeable to molecules and almost transparent to photoelectrons. They are used as a pressure barrier between the enclosed cell at atmospheric pressure and the electron analyzer at vacuum while allowing transmission of photoelectrons. By accessing to atmospheric pressure range, with this kind of cell, photoemission studies will become a versatile in situ and operando tool for catalysis. Studies involving liquids in static conditions are an important aspect in this direction, which can be extended to homogeneous catalytic systems. Liquids are presently accessible using micro‐jets. Another aspect which is of paramount interest to investigate catalysts is time resolution. By improving the time resolution of photoemission measurements to the sub‐second regime it is possible to follow the kinetic changes that are crucial of a catalytic reaction, the changes that occur during catalyst pretreatment and activation, and notably to differentiate active species from spectator ones, which may be the dominating species in a classical experiment.

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Dry Reforming of Ethane and Butane with CO₂ over PtNi/CeO₂ Bimetallic Catalysts

Cited by 115 publications

References 40 publications

Activation Pathway of C‐H and C–C Bonds of Ethane by Pd Atom with CO₂ as a Soft Oxidant

Activation Pathway of C‐H and C–C Bonds of Ethane by Pd Atom with CO₂ as a Soft Oxidant

Nanoalloy Materials for Chemical Catalysis

Ambient Pressure Photoelectron Spectroscopy: Opportunities in Catalysis from Solids to Liquids and Introducing Time Resolution

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Dry Reforming of Ethane and Butane with CO2 over PtNi/CeO2 Bimetallic Catalysts

Cited by 115 publications

References 40 publications

Activation Pathway of C‐H and C–C Bonds of Ethane by Pd Atom with CO2 as a Soft Oxidant

Activation Pathway of C‐H and C–C Bonds of Ethane by Pd Atom with CO2 as a Soft Oxidant

Nanoalloy Materials for Chemical Catalysis

Ambient Pressure Photoelectron Spectroscopy: Opportunities in Catalysis from Solids to Liquids and Introducing Time Resolution

Contact Info

Product

Resources

About

Dry Reforming of Ethane and Butane with CO₂ over PtNi/CeO₂ Bimetallic Catalysts

Activation Pathway of C‐H and C–C Bonds of Ethane by Pd Atom with CO₂ as a Soft Oxidant

Activation Pathway of C‐H and C–C Bonds of Ethane by Pd Atom with CO₂ as a Soft Oxidant