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Modeling of ion conductivity in Nafion membranes

YANG Zhen, PENG Xiaofeng, WANG Buxuan, DUAN Yuanyuan, LEE Duujong

Frontiers in Energy 2007, Volume 1, Issue 1,   Pages 58-66 doi: 10.1007/s11708-007-0005-y

Abstract: A theoretical investigation was conducted to describe the ion transport behavior in a Nafion Membraneequivalent field intensity, , was introduced to facilitate the analysis of surface resistance against ionAn expression was derived for ionic conductivity incorporating the influence of surface resistance.lattice model for a spatial cluster distribution was used to modify the effect of water content on ionic conductivityavailable experimental results, which indicates the rationality to consider the structural influence on ion

Keywords： face-centered     polymeric     theoretical investigation     conduction     equivalent    

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Activated carbon induced oxygen vacancies-engineered nickel ferrite with enhanced conductivity for supercapacitor

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 2088-2100 doi: 10.1007/s11705-023-2352-6

Abstract: Activated carbon induced oxygen vacancies-engineered nickel ferrite with enhanced conductivity for supercapacitor

Keywords： nickel ferrite conductivity     carbon oxygen vacancies    

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Permeability and thermal conductivity of host compressed natural graphite for consolidated activated

Bo TIAN, Liwei WANG, Zhequan JIN, Ruzhu WANG

Frontiers in Energy 2011, Volume 5, Issue 2,   Pages 159-165 doi: 10.1007/s11708-011-0145-y

Abstract: Permeability and thermal conductivity test units were set up to study the heat and mass transfer performanceThe permeability was tested with nitrogen as the gas source, and the thermal conductivity was studiedThe results showed that the values of permeability and thermal conductivity were 10 to 10 m and 1.7Then the thermal conductivity and permeability of granular AC were researched.This means that the thermal conductivity was not related to the grain size of AC.

Keywords： permeability     thermal conductivity     expanded nature graphite     activated carbon    

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Electrolyte material progress of low-temperature SOFC

Han Da,Wu Tianzhi,Xin Xianshuang,Wang Shaorong,Zhan Zhongliang

Strategic Study of CAE 2013, Volume 15, Issue 2,   Pages 66-71

Abstract: The structure and specific properties such as effects of dopants, conductivity and chemical compatibility

Keywords： low-temperature SOFC     new electrolyte     ion conductivity    

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Equivalent thermal conductivity of heat pipes

LU Zesheng, MA Binghui

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 4,   Pages 462-466 doi: 10.1007/s11465-008-0087-1

Abstract: motorized spindle, the thermal distortion cannot be solved during the heat transfer process because thermal conductivityor equivalent thermal conductivity should be provided first for special application in mechanics.An equivalent thermal conductivity model based on equivalent thermal resistances is established.gravity pipe, and rotation heat pipe are done to validate the efficiency of the equivalent thermal conductivity

Keywords： proposed     distortion analysis     hydrostatic motorized     motorized spindle     Performance    

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Tailoring electrical conductivity of two dimensional nanomaterials using plasma for edge electronics:

Aswathy Vasudevan, Vasyl Shvalya, Aleksander Zidanšek, Uroš Cvelbar

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 3,   Pages 427-443 doi: 10.1007/s11705-019-1805-4

Abstract: The possibility of tailoring electrical conductivity at the atomic level allows creating new prospective

Keywords： graphene     edge electronics     2D nanomaterials     plasma     electrical conductivity    

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Advancing ion-exchange membranes to ion-selective membranes: principles, status, and opportunities

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 2, doi: 10.1007/s11783-023-1625-0

Abstract:

● IEM ion/ion selectivities of charge, valence, & specific ion are

Keywords： Ion-exchange membranes     Selectivity     Separations    

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phosphorus-nitrogen based flame retardant and multi-walled carbon nanotubes for enhanced electrical conductivity

Yong Luo, Yuhui Xie, Renjie Chen, Ruizhi Zheng, Hua Wu, Xinxin Sheng, Delong Xie, Yi Mei

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 5,   Pages 1332-1345 doi: 10.1007/s11705-021-2035-0

Abstract: Design and exploitation of flame retardant polymers with high electrical conductivity are desired forThe electrical conductivity, mechanical properties, thermal performance, and flame retardancy of thewas found that the addition of multi-walled carbon nanotubes can significantly improve the electrical conductivityThis study provides a new and effective methodology to substantially enhance the electrical conductivity

Keywords： MWCNTs     PEPA     electrical conductivity     flame retardant     low density polyethylene    

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Alumina modified sodium vanadate cathode for aqueous zinc-ion batteries

Frontiers in Energy   Pages 775-781 doi: 10.1007/s11708-023-0902-8

Abstract: Aqueous zinc-ion batteries (ZIBs) have great prospects for widespread application in massive scale energyHowever, the slow kinetics caused by low conductivity and the capacity degradation caused by materialperformance is mainly attributed to the Al2O3 coating layer, which can increase zinc-ionconductivity of the material surface, and to some extent inhibit the dissolution of NVO, making the

Keywords： cathodes     aqueous zinc-ion batteries     sodium vanadate     alumina     coating    

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Characterization of 3D microstructure, thermal conductivity, and heat flow of cement-based foam using

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3,   Pages 643-651 doi: 10.1007/s11709-021-0709-9

Abstract: This study presents the results of the 3D microstructure, thermal conductivity, and heat flow in cement-basedMoreover, a difference of 5% was noticed between the experimentally measured thermal conductivity and

Keywords： 3D pore volume distribution     X-ray tomography     3D shape factor     heat flow    

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Ultrafast-laser-treated poly(3,4-ethylenedioxythiophene): poly(styrenesulfonate) electrodes with enhanced conductivity

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 2,   Pages 206-216 doi: 10.1007/s11705-022-2203-x

Abstract: However, it requires doping and post-solvent treatment to improve its conductivity, and the chemicalsroute for exploiting ultrafast lasers (femtosecond and picosecond laser) to simultaneously enhance the conductivityThe conductivity of the PEDOT:PSS film was improved by three orders of magnitude (from 3.1 to 1024 S·decreased, which is beneficial to the carrier mobility, resulting in significantly enhanced electrical conductivity

Keywords： PEDOT:PSS     ultrafast laser     transparent electrode     ST-PSCs     patterning    

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Largely reduced cross-plane thermal conductivity of nanoporous In

Dongchao XU, Quan WANG, Xuewang WU, Jie ZHU, Hongbo ZHAO, Bo XIAO, Xiaojia WANG, Xiaoliang WANG, Qing HAO

Frontiers in Energy 2018, Volume 12, Issue 1,   Pages 127-136 doi: 10.1007/s11708-018-0519-5

Abstract: thermoelectric performance can be obtained by combining both the dramatically reduced lattice thermal conductivityconventional Si Ge alloys; however, a high ZT is hindered by their intrinsically high lattice thermal conductivity

Keywords： nanoporous film     thermoelectrics     phonon     mean free path     diffusive scattering    

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Experimental research on thermal transport properties of crystallized palladium-based alloys

Siyuan CHENG, Xuguo SHI, Weigang MA, Xing ZHANG, Guanglai LIU, Mingxiang PAN, Weihua WANG

Frontiers in Energy 2018, Volume 12, Issue 1,   Pages 121-126 doi: 10.1007/s11708-018-0531-9

Abstract: , electrical conductivity, and Seebeck coefficient of crystallized Pd Ni Cu P and Pd Ni Cu P alloysThe results show that compared to amorphous samples, the thermal conductivity and electrical conductivityThe ratio of crystallized and amorphous thermal conductivity is higher for Pd Ni Cu P alloy fiber whichhas a higher glass forming ability, while the ratio of electronic thermal conductivity almost remainsThe sensitivity of thermal conductivity and electrical conductivity to the composition is high, while

Keywords： palladium-based alloy     T-type method     thermal conductivity     electrical conductivity     Seebeck coefficient    

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Vanadium oxide cathode with synergistic engineering of calcium-ion intercalation and polyaniline coatingfor high performance zinc-ion batteries

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 9,   Pages 1244-1253 doi: 10.1007/s11705-022-2293-5

Abstract: Vanadium oxides as cathode for zinc-ion batteries have attracted much attention because of their highHerein, a synergistic engineering of calcium-ion intercalation and polyaniline coating was developedto achieve the superior electrochemical performance of vanadium pentoxide for zinc-ion batteries.structure’s stability, while the polyaniline coating on the cathodes improves the conductivity and inhibitscoating was verified to effectively improve the electrochemical performance of zinc-ion batteries.

Keywords： zinc-ion battery     CaV8O20     polyaniline coating     synergistic engineering     high capacity    

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Ion-imprinted silica gel and its dynamic membrane for nickel ion removal from wastewaters

Jiehui Zeng, Jianxian Zeng, Hu Zhou, Guoqing Liu, Zhengqiu Yuan, Jian Jian

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 6,   Pages 1018-1028 doi: 10.1007/s11705-020-1915-z

Abstract: An ion-imprinted sorbent (IIP) was prepared by using Ni as template, 3-[2-(2-aminoethylamino) ethylamino

Keywords： ion-imprinted     nickel ion     dynamic membrane     adsorption    

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Title Author Date Type Operation

Modeling of ion conductivity in Nafion membranes

YANG Zhen, PENG Xiaofeng, WANG Buxuan, DUAN Yuanyuan, LEE Duujong

Journal Article

Activated carbon induced oxygen vacancies-engineered nickel ferrite with enhanced conductivity for supercapacitor

Journal Article

Permeability and thermal conductivity of host compressed natural graphite for consolidated activated

Bo TIAN, Liwei WANG, Zhequan JIN, Ruzhu WANG

Journal Article

Electrolyte material progress of low-temperature SOFC

Han Da,Wu Tianzhi,Xin Xianshuang,Wang Shaorong,Zhan Zhongliang

Journal Article

Equivalent thermal conductivity of heat pipes

LU Zesheng, MA Binghui

Journal Article

Tailoring electrical conductivity of two dimensional nanomaterials using plasma for edge electronics:

Aswathy Vasudevan, Vasyl Shvalya, Aleksander Zidanšek, Uroš Cvelbar

Journal Article

Advancing ion-exchange membranes to ion-selective membranes: principles, status, and opportunities

Journal Article

phosphorus-nitrogen based flame retardant and multi-walled carbon nanotubes for enhanced electrical conductivity

Yong Luo, Yuhui Xie, Renjie Chen, Ruizhi Zheng, Hua Wu, Xinxin Sheng, Delong Xie, Yi Mei

Journal Article

Alumina modified sodium vanadate cathode for aqueous zinc-ion batteries

Journal Article

Characterization of 3D microstructure, thermal conductivity, and heat flow of cement-based foam using

Journal Article

Ultrafast-laser-treated poly(3,4-ethylenedioxythiophene): poly(styrenesulfonate) electrodes with enhanced conductivity

Journal Article

Largely reduced cross-plane thermal conductivity of nanoporous In

Dongchao XU, Quan WANG, Xuewang WU, Jie ZHU, Hongbo ZHAO, Bo XIAO, Xiaojia WANG, Xiaoliang WANG, Qing HAO

Journal Article

Experimental research on thermal transport properties of crystallized palladium-based alloys

Siyuan CHENG, Xuguo SHI, Weigang MA, Xing ZHANG, Guanglai LIU, Mingxiang PAN, Weihua WANG

Journal Article

Vanadium oxide cathode with synergistic engineering of calcium-ion intercalation and polyaniline coatingfor high performance zinc-ion batteries

Journal Article

Ion-imprinted silica gel and its dynamic membrane for nickel ion removal from wastewaters

Jiehui Zeng, Jianxian Zeng, Hu Zhou, Guoqing Liu, Zhengqiu Yuan, Jian Jian

Journal Article