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A comprehensive assessment on the durability of gas diffusion electrode materials in PEM fuel cell stack

Arunkumar JAYAKUMAR

Frontiers in Energy 2019, Volume 13, Issue 2,   Pages 325-338 doi: 10.1007/s11708-019-0618-y

Abstract: The crucial and expensive component involved in it is the gas diffusion electrode (GDE) and its degradation

Keywords： PEM fuel cell     gas diffusion electrode(GDE)     gas diffusion layer(GDL)     membrane electrode assembly     durability    

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Preparation of a Pb loaded gas diffusion electrode and its application to CO

Ang LI, Hua WANG, Jinyu HAN, Li LIU

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 4,   Pages 381-388 doi: 10.1007/s11705-012-1216-2

Abstract: A Pb loaded gas diffusion electrode was fabricated and used for the electroreduction of CO to formicThe preparation conditions of the gas diffusion electrode were optimized by adjusting the amounts ofpolytetrafluoroethylene (PTFE) in the gas diffusion layer and acetylene black in the catalytic layer.The electrochemical performance of the as-prepared gas diffusion electrode was studied by chronoamperometryThe optimized gas diffusion electrode showed good catalytic performance for the electroreduction of CO

Keywords： electroreduction     carbon dioxide     lead catalyst     gas diffusion electrode     formic acid    

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Evaluation of the technoeconomic feasibility of electrochemical hydrogen peroxide production for decentralized water treatment

Yang Li, Yixin Zhang, Guangshen Xia, Juhong Zhan, Gang Yu, Yujue Wang

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 1, doi: 10.1007/s11783-020-1293-2

Abstract: Abstract • Gas diffusion electrode (GDE) is a suitable setup for practical water treatment. • ElectrochemicalThis study evaluated the feasibility of electrochemical hydrogen peroxide (H2O2) production with gasdiffusion electrode (GDE) for decentralized water treatment.Based on an electrode lifetime of 46 days, the overall cost for H2O2 production was estimated to be ~0.88 $/kg H2O2, including an electricity cost of 0.61 $/kg and an electrode capital cost of 0.27 $/kg

Keywords： Advanced oxidation process     Electro-peroxone     Gas diffusion electrode     Hydrogen peroxide     Oxygen reduction    

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Mathematical Model of Gas and Liquid Distribution in the Porous Electrode

Xu Xianzhi,Zhu Mei,Yang Jiming

Strategic Study of CAE 2005, Volume 7, Issue 8,   Pages 36-40

Abstract:

The Ohm´s Law in solution considering the gas and liquid distribution in porous electrodes isBased on the mathematical model of the single pore electrode, the effective three-phase boundary lengthOne-dimensional current and overpotential mathematical model of the porous electrode process is alsoestablished by the gas and liquid distribution theory of the porous medium.Current and overpotential distributions along normal direction of the electrode are given by numerical

Keywords： porous medium     overpotential     single pore electrode model     three-phase boundary     mathematic model    

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Research on the Microscopic Mechanism and Microscopic Phenomena of the Gas Porous Electrode Reaction

Zhu Mei,Xu Xianzhi,Yang Jiming

Strategic Study of CAE 2005, Volume 7, Issue 5,   Pages 79-83

Abstract:

In order to get the theoretical reference for making high efficiency porous electrode, microscopicThe superiority of the vertical porous gas electrode to the traditional electrode was proved by the zinc-airThe microscopic mechanism of the electrolyte movement in the porous electrode was analyzed.It was concluded that the ideal discontinuity interface is the optimal active state of the gas porouselectrode.

Keywords： porous electrode     three-phase interface     zinc-air battery    

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Predictive calculations of gas solubility and permeability in glassy polymeric membranes: An overview

Matteo Minelli, Maria Grazia De Angelis, Giulio C. Sarti

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 3,   Pages 405-413 doi: 10.1007/s11705-017-1615-5

Abstract: For gas and vapor solubility, the comparison with direct experimental data for mixed gases points outFor gas and vapor permeability, the comparison with direct experimental data shows the possibility to

Keywords： solubility     permeability     glassy polymers     NELF model     diffusion    

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Study on the gas permeabilities in styrene-butadiene rubber by molecular dynamics simulation

Hailu LIU, Xuejia DING, Jun YI, Liqun ZHANG, Sizhu WU,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 3,   Pages 257-262 doi: 10.1007/s11705-009-0270-x

Abstract: this research, molecular dynamics (MD)simulations were used to study the transport properties of small gasThe diffusion coefficients were obtained from MD (NVT ensemble) and the relationship between gas permeabilityThe results indicated that the diffusion coefficient of oxygen declined with increasing styrene contentIt was concluded that diffusion coefficient increased as the FFV increases, which is in accordance with

Keywords： diffusion     atomistic simulation     permeability     chemical structure     relationship    

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Atomistic simulations for adsorption and separation of flue gas in MFI zeolite and MFI/MCM-41 micro/mesoporous

Shengchi ZHUO, Yongmin HUANG, Jun HU, Honglai LIU

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 2,   Pages 264-273 doi: 10.1007/s11705-010-1007-6

Abstract: Adsorption of pure CO and N and separation of CO /N mixture in MFI zeolite and MFI/MCM-41 micro/mesoporous composite have been studied by using atomistic simulations. Fully atomistic models of MFI and MFI/MCM-41 are constructed and characterized. A bimodal pore size distribution is observed in MFI/MCM-41 from simulated small- and broad-angle X-ray diffraction patterns. The density of MFI/MCM-41 is lower than MFI, while its free volume and specific surface area are greater than MFI due to the presence of mesopores. CO is preferentially adsorbed than N , and thus, the loading and isosteric heat of CO are greater than N in both MFI and MFI/MCM-41. CO isotherm in MFI/MCM-41 is similar to that in MFI at low pressures, but resembles that in MCM-41 at high pressures. N shows similar amount of loading in MFI, MCM-41 and MFI/MCM-41. The selectivity of CO over N in the three adsorbents decreases in the order of MFI>MFI/MCM-41>MCM-41. With increasing pressure, the selectivity increases in MFI and MFI/MCM-41, but decreases in MCM-41. The self-diffusivity of CO and N in MFI decreases as loading increases, while in MFI/MCM-41, it first increases and then drops.

Keywords： adsorption     diffusion     CO2     flue gas     zeolite     micro/mesoporous composite    

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Application of electrode materials and catalysts in electrocatalytic treatment of dye wastewater

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 6,   Pages 1427-1443 doi: 10.1007/s11705-021-2108-0

Abstract: The selection and preparation of electrode materials and electrocatalysts play an important role on theThe aim of this paper is to introduce the most excellent high-efficiency electrode materials and electrocatalystsMany electrode materials such as metal electrode materials, boron-doped diamond anode materials and three-dimensionalelectrode are introduced in detail.The composite treatment of active electrode and electrocatalyst are extensively examined.

Keywords： electrocatalytic oxidation     electrode     electrocatalysis     dye wastewater    

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Numerical simulation of three-dimensional gas/liquid two-phase flow in a proton exchange membrane fuel

ZHUGE Weilin, ZHANG Yangjun, LAO Xingsheng, CHEN Xiao, MING Pingwen

Frontiers in Energy 2007, Volume 1, Issue 3,   Pages 305-310 doi: 10.1007/s11708-007-0044-4

Abstract: A three-dimensional gas/liquid two-phase flow and heat transfer model is developed based on the multiphaseThe reactant gas flow, diffusion, and chemical reaction as well as the liquid water transport and phaseperformance decreases quickly at high current density due to the obstruction of liquid water to oxygen diffusion

Keywords： diffusion     gas/liquid two-phase     management     exchange     transfer    

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Quality control based on electrode displacement and force in resistance spot welding

Chuntao JI, Lipeng DENG

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 4,   Pages 412-417 doi: 10.1007/s11465-010-0114-x

Abstract: The behaviors of electrode displacement and force during spot welding under various conditions, suchas different weld currents, electrode forces, and welding times, were studied.An electrode force peak is observed and believed relevant to the sufficient nugget size.

Keywords： aluminum     electrode displacement     electrode force     nugget size     data acquisition    

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A novel flow electrode capacitive deionization device with spindle-shaped desalting chamber

Frontiers of Environmental Science & Engineering 2023, Volume 18, Issue 4, doi: 10.1007/s11783-024-1800-y

Abstract:

● A spindle-shaped influent chamber was designed and equipped in FCDI system.

Keywords： Spindle-shaped chamber     Desalination performance     Flow electrode capacitive deionization    

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Fabricating sustainable lignin-derived porous carbon as electrode for high-performance supercapacitors

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 8,   Pages 1065-1074 doi: 10.1007/s11705-023-2313-0

Abstract: In this present study, the resultant lignin-derived porous carbon was used as the electrode of a supercapacitor

Keywords： lignin     porous carbon     electrode     supercapacitor    

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Characterization of electrode fouling during electrochemical oxidation of phenolic pollutant

Xuefeng Liu, Shijie You, Fang Ma, Hao Zhou

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 4, doi: 10.1007/s11783-020-1345-7

Abstract: Abstract • Electrode fouling is characterized by non-destructive characterization. • Electrode foulingElectrode fouling is a problem that commonly occurs during electro-oxidation water purification.This study focused on identifying the fouling behavior of Pt electrode associated with the formationThe in situ electrochemical measurements and non-destructive observation of the electrode morphologyelectrode that was controlled by anode potential.

Keywords： Electro-oxidation     Electrode fouling     Polymeric film     Chloride ions    

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Coupled diffusion of chloride and other ions in saturated concrete

Nattapong DAMRONGWIRIYANUPAP, Linyuan LI, Yunping XI

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 3,   Pages 267-277 doi: 10.1007/s11709-011-0112-z

Abstract: The diffusion of chloride ions is associated and strongly affected by other ions in the pore solutionstructures was mathematically characterized by the Nernst-Planck equation which considered not only diffusionThe material models of chloride binding capacity and chloride diffusion coefficient were incorporated

Keywords： diffusion     chloride     concrete     Nernst-Planck equation     durability    

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Title Author Date Type Operation

A comprehensive assessment on the durability of gas diffusion electrode materials in PEM fuel cell stack

Arunkumar JAYAKUMAR

Journal Article

Preparation of a Pb loaded gas diffusion electrode and its application to CO

Ang LI, Hua WANG, Jinyu HAN, Li LIU

Journal Article

Evaluation of the technoeconomic feasibility of electrochemical hydrogen peroxide production for decentralized water treatment

Yang Li, Yixin Zhang, Guangshen Xia, Juhong Zhan, Gang Yu, Yujue Wang

Journal Article

Mathematical Model of Gas and Liquid Distribution in the Porous Electrode

Xu Xianzhi,Zhu Mei,Yang Jiming

Journal Article

Research on the Microscopic Mechanism and Microscopic Phenomena of the Gas Porous Electrode Reaction

Zhu Mei,Xu Xianzhi,Yang Jiming

Journal Article

Predictive calculations of gas solubility and permeability in glassy polymeric membranes: An overview

Matteo Minelli, Maria Grazia De Angelis, Giulio C. Sarti

Journal Article

Study on the gas permeabilities in styrene-butadiene rubber by molecular dynamics simulation

Hailu LIU, Xuejia DING, Jun YI, Liqun ZHANG, Sizhu WU,

Journal Article

Atomistic simulations for adsorption and separation of flue gas in MFI zeolite and MFI/MCM-41 micro/mesoporous

Shengchi ZHUO, Yongmin HUANG, Jun HU, Honglai LIU

Journal Article

Application of electrode materials and catalysts in electrocatalytic treatment of dye wastewater

Journal Article

Numerical simulation of three-dimensional gas/liquid two-phase flow in a proton exchange membrane fuel

ZHUGE Weilin, ZHANG Yangjun, LAO Xingsheng, CHEN Xiao, MING Pingwen

Journal Article

Quality control based on electrode displacement and force in resistance spot welding

Chuntao JI, Lipeng DENG

Journal Article

A novel flow electrode capacitive deionization device with spindle-shaped desalting chamber

Journal Article

Fabricating sustainable lignin-derived porous carbon as electrode for high-performance supercapacitors

Journal Article

Characterization of electrode fouling during electrochemical oxidation of phenolic pollutant

Xuefeng Liu, Shijie You, Fang Ma, Hao Zhou

Journal Article

Coupled diffusion of chloride and other ions in saturated concrete

Nattapong DAMRONGWIRIYANUPAP, Linyuan LI, Yunping XI

Journal Article