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Monte Carlo simulation of the PEMFC catalyst layer

WANG Hongxing, CAO Pengzhen, WANG Yuxin

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 2,   Pages 146-150 doi: 10.1007/s11705-007-0027-3

Abstract: of the polymer electrolyte membrane fuel cell (PEMFC) is greatly controlled by the structure of the catalystLow catalyst utilization is still a significant obstacle to the commercialization of the PEMFC.on the catalyst utilization and the performance of the PEMFC.The model can predict the effects of some catalyst layer components, such as Pt/C catalyst, electrolyteand gas pores, on the utilization of the catalyst and the cell performance.

Keywords： catalyst utilization     PEMFC     commercialization     Pt/C catalyst     conduction    

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A facile synthesis of high activity cube-like Pt/carbon composites for fuel cell application

Reza B. MOGHADDAM, Samaneh SHAHGALDI, Xianguo LI

Frontiers in Energy 2017, Volume 11, Issue 3,   Pages 245-253 doi: 10.1007/s11708-017-0492-4

Abstract: High activity catalyst with simple low-cost synthesis is essential for fuel cell commercialization.Optimization of the Pt /K composites leads to Pt /K that has been treated for 10 h at 185ºC.Furthermore, Pt /K is compared with two commercial Pt/C catalysts, Tanaka Kikinzoku Kogyo (TKK), andJohnson Matthey (JM)Pt/C catalysts.The TKK Pt/C has a higher EASA than Pt /K, as expected from their relative particles sizes (3–4 nm vs

Keywords： synthesis     cube-like Pt     Pt/C composite     catalyst     impedance    

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Pt–C interactions in carbon-supported Pt-based electrocatalysts

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 11,   Pages 1677-1697 doi: 10.1007/s11705-023-2300-5

Abstract: Carbon-supported Pt-based materials are highly promising electrocatalysts.The carbon support plays an important role in the Pt-based catalysts by remarkably influencing the growthparticle size, morphology, dispersion, electronic structure, physiochemical property and function of PtThis review summarizes recent progress made in the development of carbon-supported Pt-based catalysts, with special emphasis being given to how activity and stability enhancements are related to Pt–C interactions

Keywords： Pt–C interactions     Pt-based materials     carbon support     electrocatalysis    

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Taming Electrons in Pt/C Catalysts to Boost the Mesokinetics of Hydrogen Production Article

Wenyao Chen, Wenzhao Fu, Xuezhi Duan, Bingxu Chen, Gang Qian, Rui Si, Xinggui Zhou, Weikang Yuan, De Chen

Engineering 2022, Volume 14, Issue 7,   Pages 124-133 doi: 10.1016/j.eng.2020.11.014

Abstract: Herein, we demonstrate a precise engineering strategy for the carbon surface chemistry of Pt/C catalystskinetics and isotopic analyses reveals quantifiable relationships among the carbon surface chemistry, PtAfter decoupling the influences of other factors, the Pt charge is unprecedentedly identified as an experimentallymeasurable descriptor of the Pt active site, contributing to a 15-fold increment in the hydrogen generationFurther incorporating the Pt charge with the number of Pt active sites, a mesokinetics model is proposed

Keywords： Mesokinetics model     Catalyst descriptor     Pt charge state     Carbon surface chemistry     Hydrogen generation    

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A review of Pt-based electrocatalysts for oxygen reduction reaction

Changlin ZHANG, Xiaochen SHEN, Yanbo PAN, Zhenmeng PENG

Frontiers in Energy 2017, Volume 11, Issue 3,   Pages 268-285 doi: 10.1007/s11708-017-0466-6

Abstract: Pt-based nanomaterials show the greatest promise as electrocatalyst for this reaction among all currentThis review focuses on Pt-based ORR catalyst material development and covers the past achievements, currentIn particular, several important categories of Pt-based catalytic structures and the research advancesKey factors affecting the catalyst activity and durability are discussed.An outlook of future research direction of ORR catalyst research is provided.

Keywords： oxygen reduction reaction (ORR)     electrocatalysis     platinum catalyst     activity     durability    

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Ionic liquid modified Pt/C electrocatalysts for cathode application in proton exchange membrane fuel

Huixin Zhang, Jinying Liang, Bangwang Xia, Yang Li, Shangfeng Du

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 4,   Pages 695-701 doi: 10.1007/s11705-019-1838-8

Abstract: The modification of Pt/C catalyst by using ionic liquids to improve their catalyst activities has beenIn this work, we study the ionic liquid modified Pt/C nanoparticle catalysts within cathodes for proton

Keywords： ionic liquid     PEMFC     electrode     oxygen reduction reaction     electrocatalyst     adsorption    

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Controllable synthesis of a large TS-1 catalyst for clean epoxidation of a C=C double bond under mild

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 6,   Pages 772-783 doi: 10.1007/s11705-022-2280-x

Abstract: Development of a titanium silicalite-1 (TS-1) catalyst with good crystallinity and a four-coordinateC double bonds.Furthermore, the TS-1#0.1ACh catalyst demonstrated maximum catalytic activity, good selectivity and highImportantly, the TS-1#0.1ACh catalyst was also highly versatile and effective with different unsaturatedC double bonds.

Keywords： size-controlled TS-1     crystal modifier     steam-assisted crystallization     epoxidation    

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Novel synthetic approaches and TWC catalytic performance of flower-like Pt/CeO

Zongcheng ZHAN,Xiaojun LIU,Dongzhu MA,Liyun SONG,Jinzhou LI,Hong HE,Hongxing DAI

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 4,   Pages 483-495 doi: 10.1007/s11783-013-0595-z

Abstract: novel Ultrasonic Assisted Membrane Reduction (UAMR)-hydrothermal method was used to prepare flower-like PtThe texture, physical/chemical properties, and reducibility of the flower-like Pt/CeO catalysts wereThe strong interaction between the Pt nanoparticles and CeO improved the thermal stability.porous structure, which was favorable for surface reaction and enhanced the exposure degree of the PtIn brief, the flower-like Pt/CeO catalysts prepared by UAMR-hydrothermal method exhibited a higher Pt

Keywords： three-way catalyst     flower-like     Ultrasonic Assisted Membrane Reduction (UAMR)     Pt nanoparticles    

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A Pt-Bi bimetallic nanoparticle catalyst for direct electro-oxidation of formic acid in fuel cells

Shu-Hong LI, Yue ZHAO, Jian CHU, Wen-Wei LI, Han-Qing YU, Gang LIU, Yang-Chao TIAN

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 3,   Pages 388-394 doi: 10.1007/s11783-012-0475-y

Abstract: In this work Pt-Bi nanoparticles supported on micro-fabricated gold wire array substrate were synthesizedcatalytic activities of the three Pt-Bi/Au nanoparticle electrodes with different Pt/Bi ratios for formicIt was found that Pt Bi /Au had a much higher catalytic activity than Pt Bi /Au and Pt Bi /Au, and PtBi /Au exhibited a current density of 2.7 mA·cm , which was 27-times greater than that of Pt/Au.Therefore, the Pt-Bi/Au electrode offers a promising catalyst with a high activity for direct oxidation

Keywords： catalyst     electrochemical deposition     formic acid oxidation     fuel cell     gold wire array     microfabrication    

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Investigation of fluorescence characterization and electrochemical behavior on the catalysts of nanosized Pt-Rh

Chang-Mao HUNG, Wen-Liang LAI, Jane-Li LIN

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 3,   Pages 428-434 doi: 10.1007/s11783-013-0517-0

Abstract: nitrogen at temperatures range from 423K to 673K by selective catalytic oxidation (SCO) over a nanosized Pt-Rh/γ-Al O catalyst.Therefore, the application of nanosized Pt-Rh/γ-Al O catalyst can significantly enhance the catalyticOne fluorescent peak for fresh catalyst was different with that of exhausted catalyst.clusters in intrinsic emission from nanosized Pt-Rh/γ-Al O catalyst.

Keywords： ammonia (NH3)     nanosized Pt-Rh/γ-Al2O3 catalyst     excitation-emission fluorescent    

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Atomistic simulations of plasma catalytic processes

Erik C. Neyts

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 1,   Pages 145-154 doi: 10.1007/s11705-017-1674-7

Abstract: There is currently a growing interest in the realisation and optimization of hybrid plasma/catalyst systems

Keywords： atomic scale simulation     plasma-catalyst    

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New insight into effect of potential on degradation of Fe-N-C catalyst for ORR

Yanyan GAO, Manman QI, Liang HE, Haiping CHEN, Wenzhe LUO, Ming HOU, Zhigang SHAO

Frontiers in Energy 2021, Volume 15, Issue 2,   Pages 421-430 doi: 10.1007/s11708-021-0727-2

Abstract: In recent years, Fe-N-C catalyst is particularly attractive due to its high oxygen reduction reactionHowever, the durability problems still pose challenge to the application of Fe-N-C catalyst.Although considerable work has been done to investigate the degradation mechanisms of Fe-N-C catalystIn fact, the 2e pathway in the ORR process of Fe-N-C catalyst would result in the formation of H O ,In this paper, a new insight into the effect of potential on degradation of Fe-N-C catalyst was provided

Keywords： proton exchange membrane fuel cells (PEMFCs)     oxygen reduction reaction (ORR)     Fe-N-C catalyst     potential    

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Kinetic model for hydroisomerization reaction of C-aromatics

XU Ouguan, SU Hongye, JIN Xiaoming, CHU Jian

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 1,   Pages 10-16 doi: 10.1007/s11705-008-0015-2

Abstract: networks, a novel six-component hydroisomerization reaction network with a new lumped species including C-naphthenesand C-paraffins is proposed and a kinetic model for a commercial unit is also developed.An empirical catalyst deactivation function is incorporated into the model accounting for the loss inactivity because of coke formation on the catalyst surface during the long-term operation.

Keywords： ordinary differential     Runge-Kutta     catalyst deactivation     C-paraffins     optimization    

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The cooperation effect of Ni and Pt in the hydrogenation of acetic acid

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 3,   Pages 397-407 doi: 10.1007/s11705-021-2076-4

Abstract: The Ni dopant has a strong interaction with Pt, which promotes the hydrogen adsorption, providing anMeanwhile, the presence of Ni also improves the Pt dispersion, giving more accessible active sites forAs a result, the catalyst with 0.1% Ni exhibits the best reaction activity, and its space time yieldis twice as that of the PtSn/SiO2 catalyst.It provides a meaningful instruction on the catalyst design for the carboxylic acid hydrogenation.

Keywords： acetic acid     ethanol     hydrogenation     Pt     Ni     cooperation effect    

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Decoration of CdMoO micron polyhedron with Pt nanoparticle and their enhanced photocatalytic performance

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 1949-1961 doi: 10.1007/s11705-023-2360-6

Abstract: This study aimed to prepare and apply a novel Pt/CdMoO4 composite photocatalyst for photocatalyticThe results demonstrate the dispersion of Pt nanoparticles on the CdMoO4 surface.Density functional theory calculation and Mott-Schottky analysis revealed that Pt possesses a higherwork function value than CdMoO4, resulting in electron drift from CdMoO4 to PtWhen exposed to simulated sunlight, the optimal Pt/CdMoO4 catalyst displayed a photocatalytic

Keywords： photocatalytic N2 fixation     Pt/CdMoO4     tetracycline degradation     Schottky barrier    

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Title Author Date Type Operation

Monte Carlo simulation of the PEMFC catalyst layer

WANG Hongxing, CAO Pengzhen, WANG Yuxin

Journal Article

A facile synthesis of high activity cube-like Pt/carbon composites for fuel cell application

Reza B. MOGHADDAM, Samaneh SHAHGALDI, Xianguo LI

Journal Article

Pt–C interactions in carbon-supported Pt-based electrocatalysts

Journal Article

Taming Electrons in Pt/C Catalysts to Boost the Mesokinetics of Hydrogen Production

Wenyao Chen, Wenzhao Fu, Xuezhi Duan, Bingxu Chen, Gang Qian, Rui Si, Xinggui Zhou, Weikang Yuan, De Chen

Journal Article

A review of Pt-based electrocatalysts for oxygen reduction reaction

Changlin ZHANG, Xiaochen SHEN, Yanbo PAN, Zhenmeng PENG

Journal Article

Ionic liquid modified Pt/C electrocatalysts for cathode application in proton exchange membrane fuel

Huixin Zhang, Jinying Liang, Bangwang Xia, Yang Li, Shangfeng Du

Journal Article

Controllable synthesis of a large TS-1 catalyst for clean epoxidation of a C=C double bond under mild

Journal Article

Novel synthetic approaches and TWC catalytic performance of flower-like Pt/CeO

Zongcheng ZHAN,Xiaojun LIU,Dongzhu MA,Liyun SONG,Jinzhou LI,Hong HE,Hongxing DAI

Journal Article

A Pt-Bi bimetallic nanoparticle catalyst for direct electro-oxidation of formic acid in fuel cells

Shu-Hong LI, Yue ZHAO, Jian CHU, Wen-Wei LI, Han-Qing YU, Gang LIU, Yang-Chao TIAN

Journal Article

Investigation of fluorescence characterization and electrochemical behavior on the catalysts of nanosized Pt-Rh

Chang-Mao HUNG, Wen-Liang LAI, Jane-Li LIN

Journal Article

Atomistic simulations of plasma catalytic processes

Erik C. Neyts

Journal Article

New insight into effect of potential on degradation of Fe-N-C catalyst for ORR

Yanyan GAO, Manman QI, Liang HE, Haiping CHEN, Wenzhe LUO, Ming HOU, Zhigang SHAO

Journal Article

Kinetic model for hydroisomerization reaction of C-aromatics

XU Ouguan, SU Hongye, JIN Xiaoming, CHU Jian

Journal Article

The cooperation effect of Ni and Pt in the hydrogenation of acetic acid

Journal Article

Decoration of CdMoO micron polyhedron with Pt nanoparticle and their enhanced photocatalytic performance

Journal Article