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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: catalyst activities has been reported by many researchers, but their practical behavior in operating fuelIn this work, we study the ionic liquid modified Pt/C nanoparticle catalysts within cathodes for protonexchange membrane fuel cells.The influence of the ionic liquid amount, adsorption times and dispersing solvents are investigated.diffusion in micropores and to good hydrophobicity facilitating water expelling from the active sites in fuel

Keywords： ionic liquid     PEMFC     electrode     oxygen reduction reaction     electrocatalyst     adsorption    

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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: Investigation into the formation and transport of liquid water in proton exchange membrane fuel cells(PEMFCs) is the key to fuel cell water management.The reactant gas flow, diffusion, and chemical reaction as well as the liquid water transport and phaseNumerical simulations on liquid water distribution and its effects on the performance of a PEMFC arequickly 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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Life-cycle analysis of energy use and greenhouse gas emissions of gas-to-liquid fuel pathway from steel

Xunmin OU, Xu ZHANG, Qian ZHANG, Xiliang ZHANG

Frontiers in Energy 2013, Volume 7, Issue 3,   Pages 263-270 doi: 10.1007/s11708-013-0263-9

Abstract: carbon monoxide-containing gases produced by industries, such as steel manufacturing, into valuable fuelThe LCA results demonstrate that LanzaTech gas-to-liquid (GTL) processing in China’s steel manufacturing

Keywords： life-cycle analysis (LCA)     gas-to-liquid (GTL)     LanzaTech process    

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An Overview of Technology for Liquid Fuel From Biomass

Zheng Jilu,Zhu Xifeng,Guo Qingxiang,Zhu Qingshi

Strategic Study of CAE 2005, Volume 7, Issue 4,   Pages 5-10

Abstract:

Four kinds of technology for liquid fuel from biomass, together with their principles and proceduresThe paper is mainly concerned about new tendency in all kinds of technology for liquid fuel, for example

Keywords： biomass     biomass energy     liquid fuel    

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Dynamic characteristics of molten droplets and hot particles falling in liquid pool

Liangxing LI, Weimin MA, Huixiong LI, Tingkuan CHEN,

Frontiers in Energy 2010, Volume 4, Issue 2,   Pages 246-251 doi: 10.1007/s11708-009-0077-y

Abstract: The dynamic characteristics of molten droplets and hot particles at the very beginning of their fall into coolant pools are presented. The falling course of a single droplet or a single hot particle was recorded by a high-speed camera and a curve of velocity . time was obtained. Emphasis was placed on the effects of the droplet’s size and temperature, the coolant’s temperature and properties, and the droplet’s physical properties on the moving behavior. The results for the all cases showed that the velocity of a falling droplet/particle decreased rapidly but rebounded shortly, at the beginning of droplet/particle falling in the coolant. Following such a V-shaped evolution in velocity, the droplet/particle slows down gradually to a comparatively steady velocity. An increase in either coolant temperature or droplet temperature results in a larger velocity variation in the “J-region”, but a smaller deceleration when it moves out of the “J-region”. The elevated volatility of a coolant leads to a steeper deceleration in the “J-region” and beyond. The bigger size of a particle leads to a greater velocity variation in the “J-region” and terminal velocity. A high melting point and thermal conductivity as well as lower heat capacity contribute to dramatic variation in the “J-region” and low terminal velocity.

Keywords： dynamic characteristics     molten droplets     high-temperature particles     fuel and coolant interactions    

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Chemical probe systems for assessing liquid–liquid mixing efficiencies of reactors

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1323-1335 doi: 10.1007/s11705-022-2275-7

Abstract: Liquid–liquid mixing, including homogeneous and heterogeneous mixing, widely exists in the chemical industry

Keywords： mixing     chemical probe     liquid–liquid     heterogeneous    

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Microfluidic production of liposomes through liquid–liquid phase separation in ternary droplets

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6,   Pages 1017-1022 doi: 10.1007/s11705-021-2118-y

Abstract: make oil-in-water droplets, which can evolve into water-in-oil-in-water double emulsion droplets by liquid–liquid

Keywords： microfluidics     liposomes     ternary droplets     phase separation    

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Energy distribution between liquid hydrogen and liquid oxygen temperatures in a Stirling/pulse tube refrigerator

Frontiers in Energy 2023, Volume 17, Issue 4,   Pages 516-526 doi: 10.1007/s11708-022-0844-6

Abstract: In the present study, an SPR was designed and manufactured to work between the liquid hydrogen and liquid

Keywords： Stirling/pulse tube refrigerator     displacer displacement     space application     phase shift     energy distribution    

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Combustion and emissions of RP-3 jet fuel and diesel fuel in a single-cylinder diesel engine

Frontiers in Energy 2023, Volume 17, Issue 5,   Pages 664-677 doi: 10.1007/s11708-021-0787-3

Abstract: diesel fuel in a single-cylinder compression ignition (CI) engine.In comparison to diesel fuel, RP-3 jet fuel shows a retarded heat release and lagged combustion phaserelease peak than diesel fuel under all testing conditions.(CD), and an earlier CA50 than diesel fuel.Compared with diesel fuel, the nitrogen oxides (NOx) emissions of RP-3 jet fuel are

Keywords： RP-3 jet fuel     diesel     engine     combustion     emissions    

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Impacts of methanol fuel on vehicular emissions: A review

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 9, doi: 10.1007/s11783-022-1553-4

Abstract:

● Methanol effectively reduces CO, HC, CO2, PM, and PN emissions of gasoline vehicles.

Keywords： Methanol fuel     Vehicular emission     Emission reduction     Cleaner fuel     Gasoline substitute    

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Studies on the liquid-liquid interfacial mass transfer process using holographic interferometry

ZHAO Chaofan, ZHU Chunying, MA Youguang

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 1,   Pages 1-4 doi: 10.1007/s11705-008-0006-3

Abstract: This paper aims at the interfacial phenomena of liquid-liquid mass transfer and its characteristic.It is indicated that the liquid-liquid mass transfer process is approximately in accordance with two-filmtheory, the interfacial performance may be changed by the addition of the solute, and the interface of liquid-liquid

Keywords： liquid-liquid     different     real-time holographic     addition     transfer    

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Perspective on gallium-based room temperature liquid metal batteries

Frontiers in Energy 2022, Volume 16, Issue 1,   Pages 23-48 doi: 10.1007/s11708-022-0815-y

Abstract: Featuring inherent liquidity, metallicity, and biocompatibility, Ga-based room-temperature liquid metalsHerein, to illustrate the glamour of liquid components, high-temperature liquid metal batteries (HTLMBsThen, Ga-based liquid metals as main working electrodes in primary and secondary batteries are reviewedNext, Ga-based liquid metals as auxiliary working electrodes in lithium and nonlithium batteries areThe summary and perspective of Ga-based liquid metals as diverse battery materials are also focused on

Keywords： liquid metals     soft electrodes     flexible batteries     deformable energy supply devices     epidermal electronics    

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Advances and perspectives in catalysts for liquid-phase oxidation of cyclohexane

Hui LI, Yuanbin SHE, Tao WANG

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 3,   Pages 356-368 doi: 10.1007/s11705-012-0903-3

Abstract: The latest progress and developments in catalysts for the oxidation of cyclohexane are reviewed. Catalytic systems for the oxidation of cyclohexane including metal supported, metal oxides, molecular sieves, metal substituted polyoxometalates, photocatalysts, organocatalysts, Gif systems, metal-organic catalysts and metalloporphyrins are discussed with a particular emphasis on metalloporphyrin catalytic systems. The advantages and disadvantages of these methods are summarized and analyzed. Finally, the development trends in the oxidation technology of cyclohexane are examined.

Keywords： cyclohexane     liquid-phase oxidation     catalysis    

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Residence time distribution and modeling of the liquid phase in an impinging stream reactor

Xingjun WANG, Xianhui HU, Lishun HU, Guangsuo YU, Fuchen WANG,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 3,   Pages 353-359 doi: 10.1007/s11705-009-0262-x

Abstract: Based on some experimental investigations of liquid phase residence time distribution (RTD) in an impingingstream reactor, a two-dimensional plug-flow dispersion model for predicting the liquid phase RTD inThe axial liquid dispersion coefficient increases monotonously with the increasing liquid flux, but isAs the liquid flux and the gas flux increase, the liquid dispersion coefficient of center-to-wall decreasesthe liquid RTD is dominated mainly by axial liquid dispersion in the impinging stream reactor.

Keywords： RTD     liquid dispersion     reactor     liquid     independent    

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Lifecycle carbon footprint and cost assessment for coal-to-liquid coupled with carbon capture, storage

Frontiers in Energy 2023, Volume 17, Issue 3,   Pages 412-427 doi: 10.1007/s11708-023-0879-3

Abstract: The coal-to-liquid coupled with carbon capture, utilization, and storage technology has the potentialand indirect-coal-to-liquid coupled with the carbon capture utilization and storage technology underand 24%–49% from 7.10 t CO2/t·oil of indirect-coal-to-liquid.Next, the levelized cost of direct-coal-to-liquid is 648–1027 $/t of oil, whereas that of indirect-coal-to-liquidis 285–1364 $/t of oil, compared to 1101–9793 $/t of oil for indirect-coal-to-liquid.

Keywords： coal-to-liquid     carbon capture     utilization and storage (CCUS)     carbon footprint     levelized cost of liquid    

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Title Author Date Type Operation

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

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

Life-cycle analysis of energy use and greenhouse gas emissions of gas-to-liquid fuel pathway from steel

Xunmin OU, Xu ZHANG, Qian ZHANG, Xiliang ZHANG

Journal Article

An Overview of Technology for Liquid Fuel From Biomass

Zheng Jilu,Zhu Xifeng,Guo Qingxiang,Zhu Qingshi

Journal Article

Dynamic characteristics of molten droplets and hot particles falling in liquid pool

Liangxing LI, Weimin MA, Huixiong LI, Tingkuan CHEN,

Journal Article

Chemical probe systems for assessing liquid–liquid mixing efficiencies of reactors

Journal Article

Microfluidic production of liposomes through liquid–liquid phase separation in ternary droplets

Journal Article

Energy distribution between liquid hydrogen and liquid oxygen temperatures in a Stirling/pulse tube refrigerator

Journal Article

Combustion and emissions of RP-3 jet fuel and diesel fuel in a single-cylinder diesel engine

Journal Article

Impacts of methanol fuel on vehicular emissions: A review

Journal Article

Studies on the liquid-liquid interfacial mass transfer process using holographic interferometry

ZHAO Chaofan, ZHU Chunying, MA Youguang

Journal Article

Perspective on gallium-based room temperature liquid metal batteries

Journal Article

Advances and perspectives in catalysts for liquid-phase oxidation of cyclohexane

Hui LI, Yuanbin SHE, Tao WANG

Journal Article

Residence time distribution and modeling of the liquid phase in an impinging stream reactor

Xingjun WANG, Xianhui HU, Lishun HU, Guangsuo YU, Fuchen WANG,

Journal Article

Lifecycle carbon footprint and cost assessment for coal-to-liquid coupled with carbon capture, storage

Journal Article