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CC@BCN@PANI core-shell nanoarrays as ultra-high cycle stability cathode for Zn-ion hybrid supercapacitors

Frontiers in Energy 2023, Volume 17, Issue 4,   Pages 555-566 doi: 10.1007/s11708-023-0882-8

Abstract: materials that combine excellent cycling stability and high energy density poses a challenge to aqueous Zn-ion

Keywords： CC@BCN@PANI cathode     Zn-ion hybrid supercapacitor     core-shell nanoarrays     high energy density     ultra-high    

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Experimental and modeling studies on installation of arc sprayed Zn anodes for protection of reinforced

Xianming SHI

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 1,   Pages 1-11 doi: 10.1007/s11709-016-0312-7

Abstract: Arc sprayed zinc (Zn) anode on concrete surfaces has been an emerging technology for protecting reinforcedMany cathodic protection (CP) systems with arc sprayed Zn anodes will reach or exceed their design lifemost effective profile for the concrete surface, for either new concrete or old concrete with existing ZnThis work develops criteria to properly prepare the concrete surface before the application of new Znor Zn–concrete systems and was successful in finding meaningful, logical results from the bond strength

Keywords： arc sprayed Zn     anode replacement     reinforced concrete     bridge preservation     neural networks     surface profile    

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Study on Electrodeposited Zn-Fe-SiO2 Composite Coatings

Zhang Yingjie,Fan Yunying,Dong Peng,Luo Shaolin

Strategic Study of CAE 2008, Volume 10, Issue 3,   Pages 93-96

Abstract:

Experiments on electrodeposited Zn-Fe-SiO2 composite coatings are reported.Effects

Keywords： electrodeposition     composite coating     Zn-Fe-SiO2    

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g-CN-coated MnO hollow nanorod cathode for stable aqueous Zn-ion batteries

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 2,   Pages 217-225 doi: 10.1007/s11705-022-2214-7

Abstract: Aqueous zinc-ion batteries are attracting considerable attention because of their high safety compared with conventional lithium-ion batteries. Manganese-based materials have been widely developed for zinc-ion batteries cathode owning to their low cost, high security and simple preparation. However, the severe volume expansion and poor stability during charging and discharging limit the further development of manganese-based cathodes. Herein, superior α-MnO2@g-C3N4 was successfully prepared for stable zinc-ion batteries (ZIBs) cathode by introducing g-C3N4 nanosheets. Compared with pure α-MnO2, α-MnO2@g-C3N4 has a specific capacity of 298 mAh·g–1 at 0.1 A·g–1. Even at 1 A·g–1, the α-MnO2@g-C3N4 still retains 100 mAh·g–1 (83.4% retention after 5000 cycles), implying its excellent cycling stability. The α-MnO2@g-C3N4-based cathode has the highest energy density (563 Wh·kg–1) and power energy density (2170 W·kg–1). This work provides new avenues for the development of a wider range of cathode materials for ZIBs.

Keywords： α-MnO2 hollow nanorods     g-C3N4     heterojunction     aqueous Zn-ion    

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Study on thermal - oxidative ageing mechanismsof ZN- 1 damping rubber materials

Zhang Kai,Ma Yan,Tan Yun,Mei Jun

Strategic Study of CAE 2009, Volume 11, Issue 2,   Pages 48-52

Abstract:

The thermal- oxydative ageing properties of ZN-1 damping rubber materialsbetween different ageing temperatures and ageing time and mechanical properties and damping properties of ZNThe results showed that with increasing ageing temperature and time , the tensile strength of ZN-1 dampingrubber materials firstly decreases to a certain value and then increases ; the tensile elongation of ZNFinally , the ageing mechanisms of ZN-1 damping rubber materials were deduced from some analyses of the

Keywords： ZN-1 damping rubber materials     ageing properties     microstructure     ageing mechanisms    

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Relationship between heavy metal concentrations of herbaceous plants and soils at four Pb-Zn mining sites

Yuan LI , Yanqun ZU , Qixian FANG , Zhaohua GAO , Christian SCHVARTZ ,

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 3,   Pages 325-333 doi: 10.1007/s11783-009-0024-5

Abstract: studied the relationship between heavy metal concentrations of herbaceous plants and soils at four Pb-ZnThe results showed that the average concentrations of Pb, Cd, and Zn in soil samples were 3772.83, 168.81The average concentrations of Pb, Cd, and Zn were 395.68, 28.14, and 1664.20 mg/kg in the shootsEnrichment coefficients of Pb, Cd, and Zn were greater than 1 in 2, 3, and 9 herbaceous plant samplesIn all 50 samples, the concentrations of Pb, Cd, and Zn between the shoots and the roots, the shoots,

Keywords： Pb     Cd     Zn     herbaceous plants     Pb-Zn mining areas     enrichment coefficient     translocation factor    

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Simultaneous removal of trihalomethanes by bimetallic Ag/Zn: kinetics study

Ahmed H A DABWAN, Satoshi KANECO, Hideyuki KATSUMATA, Kiyoyuki EGUSA, Tohru SUZUKI, Kiyohisa OHTA,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 3,   Pages 322-327 doi: 10.1007/s11705-009-0261-y

Abstract: become the most important parameters affecting the degradation kinetics and efficiency by bimetallic Ag/Zn

Keywords： reaction     first-order     dissociation     degradation reaction     aqueous    

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phosphonate-derived cobalt/nickel phosphide@N-doped carbon hybrids as efficient bifunctional oxygen electrodes for Zn

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 9,   Pages 1367-1376 doi: 10.1007/s11705-022-2153-3

Abstract: The exploration of efficient bifunctional electrocatalysts for oxygen reduction reaction and oxygen evolution reaction is pivotal for the development of rechargeable metal–air batteries. Transition metal phosphides are emerging as promising catalyst candidates because of their superb activity and low cost. Herein, a novel metal phosphonate-derived cobalt/nickel phosphide@N-doped carbon hybrid was developed by a carbothermal reduction of cobalt/nickel phosphonate hybrids with different Co/Ni molar ratios. The metal phosphonate derivation method achieved an intimately coupled interaction between metal phosphides and a heteroatom-doped carbon substrate. The resultant Co2P/Ni3P@NC-0.2 enables an impressive electrocatalytic oxygen reduction reaction activity, comparable with those of state-of-the-art Pt/C catalysts in terms of onset potential (0.88 V), 4e‒ selectivity, methanol tolerance, and long-term durability. Moreover, remarkable oxygen evolution reaction activity was also observed in alkaline conditions. The high activity is ascribed to the N-doping, abundant accessible catalytic active sites, and the synergistic effect among the components. This work not only describes a high-efficiency electrocatalyst for both oxygen reduction reaction and oxygen evolution reaction, but also highlights the application of metal phosphonate hybrids in fabricating metal phosphides with tunable structures, which is of great significance in the energy conversion field.

Keywords： metal phosphonate     cobalt/nickel phosphide     N-doped carbon     oxygen electrochemistry     Zn−air battery    

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Boosting the direct conversion of NHHCO electrolyte to syngas on Ag/Zn zeolitic imidazolate framework

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 9,   Pages 1196-1207 doi: 10.1007/s11705-022-2289-1

Abstract: The AgZn zeolitic imidazolate framework derived nitrogen carbon catalyst with a Ag/Zn ratio of 0.5:1The highly discrete Ag-Nx and Zn-Nx nodes may have combined catalytic

Keywords： Ag catalyst     zeolitic imidazolate framework     CO2 electroreduction     ammonium bicarbonate electrolyte     syngas    

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Sequence of the main geochemical controls on the Cu and Zn fractions in the Yangtze River estuarine sediments

Shou ZHAO,Dongxin WANG,Chenghong FENG,Ying WANG,Zhenyao SHEN

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 1,   Pages 19-27 doi: 10.1007/s11783-014-0723-4

Abstract: In this study, based on the speciation determination of Cu and Zn in the Yangtze Estuary sediments, rolesFe/Mn oxides are key geochemical factors affecting the chemical speciation distributions of Cu and Zn

Keywords： chemical speciation     geochemical factors     estuaries     sediments     correlation     salinity    

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Fabrication of bimetallic Cu–Zn adsorbents with high dispersion by using confined space for gas adsorptive

Frontiers of Chemical Science and Engineering   Pages 1623-1631 doi: 10.1007/s11705-022-2202-y

Abstract: The Cu and Zn precursors were introduced to the confined space in the AS and were converted to CuO and

Keywords： bimetallic adsorbents     confined space     mesoporous silica     propene/propane separation    

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Fast and catalytic pyrolysis of xylan: Effects of temperature and M/HZSM-5 (M= Fe, Zn) catalysts on pyrolytic

Xifeng ZHU, Qiang LU, Wenzhi LI, Dong ZHANG,

Frontiers in Energy 2010, Volume 4, Issue 3,   Pages 424-429 doi: 10.1007/s11708-010-0015-z

Abstract: effects of temperature on pyrolytic products, and to reveal the effect of HZSM-5 and M/HZSM-5 (M= Fe, ZnCatalytic cracking of pyrolysis vapors with HZSM-5 and M/HZSM-5 (M= Fe, Zn) catalysts significantly altered

Keywords： xylan     fast pyrolysis     catalytic pyrolysis     Py-GC/MS     HZSM-5    

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Effective enrichment of Zn from smelting wastewater via an integrated Fe coagulation and hematite precipitation

Zhan Qu, Ting Su, Yu Chen, Xue Lin, Yang Yu, Suiyi Zhu, Xinfeng Xie, Mingxin Huo

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 6, doi: 10.1007/s11783-019-1178-4

Abstract: 98.5% Zn was enriched from Zn-bearing smelting wastewater. 99.5% Fe was hydrothermally precipitatedThe residual Zn was 2169 mg/L, 290 times of that in smelting wastewater.), and thus the Zn-bearing sludge was considerably produced, which should be solidified before safetypurified hematite block, whereas the percentage of Zn lost was below 1.1%.The loss of Zn was below 0.4%, and the residual Zn in the solution was 2169 mg/L, 290 times of that in

Keywords： Smelting wastewater     Hydrothermal     Hematite precipitation     Heavy metals    

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The speciation, leachability and bioaccessibility of Cu and Zn in animal manure-derived biochar: effect

Qi Lin, Xin Xu, Lihua, Wang, Qian Chen, Jing Fang, Xiaodong Shen, Liping Lou, Guangming Tian

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 3, doi: 10.1007/s11783-017-0924-8

Abstract: biochars (denoted PB and SB, respectively) to evaluate the variance of speciation and activity of Cu and ZnOrganic bound Zn and Zn (PO ) -like species were dominant in both feedstock and biochars.Both Cu and Zn leaching with synthetic precipitation leaching procedure (SPLP) and toxicity characteristicThe potential bioaccessibility of Zn decreased for both the PB and SB, closely depending on the contentof non-residual Zn.

Keywords： Animal manure     Biochar     Metals     Molecular species     Pyrolysis    

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Efficient flower-like ZnSe/CuZnS photocatalyst for hydrogen production application

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 9,   Pages 1301-1310 doi: 10.1007/s11705-022-2295-3

Abstract: In this work, a high-efficiency flower-like ZnSe/Cu0.08Zn0.92S photocatalyst wasfield in the heterojunction enhanced light absorption and utilization by the ZnSe/Cu0.08ZnThus the photocatalytic hydrogen production ability of the ZnSe/Cu0.08Zn0.92S microflowersThe highly stable ZnSe/Cu0.08Zn0.92S microflowers could provide excellent catalysis

Keywords： photocatalysis     Cu0.08Zn0.92S     ZnSe     hydrogen production    

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Title Author Date Type Operation

CC@BCN@PANI core-shell nanoarrays as ultra-high cycle stability cathode for Zn-ion hybrid supercapacitors

Journal Article

Experimental and modeling studies on installation of arc sprayed Zn anodes for protection of reinforced

Xianming SHI

Journal Article

Study on Electrodeposited Zn-Fe-SiO2 Composite Coatings

Zhang Yingjie,Fan Yunying,Dong Peng,Luo Shaolin

Journal Article

g-CN-coated MnO hollow nanorod cathode for stable aqueous Zn-ion batteries

Journal Article

Study on thermal - oxidative ageing mechanismsof ZN- 1 damping rubber materials

Zhang Kai,Ma Yan,Tan Yun,Mei Jun

Journal Article

Relationship between heavy metal concentrations of herbaceous plants and soils at four Pb-Zn mining sites

Yuan LI , Yanqun ZU , Qixian FANG , Zhaohua GAO , Christian SCHVARTZ ,

Journal Article

Simultaneous removal of trihalomethanes by bimetallic Ag/Zn: kinetics study

Ahmed H A DABWAN, Satoshi KANECO, Hideyuki KATSUMATA, Kiyoyuki EGUSA, Tohru SUZUKI, Kiyohisa OHTA,

Journal Article

phosphonate-derived cobalt/nickel phosphide@N-doped carbon hybrids as efficient bifunctional oxygen electrodes for Zn

Journal Article

Boosting the direct conversion of NHHCO electrolyte to syngas on Ag/Zn zeolitic imidazolate framework

Journal Article

Sequence of the main geochemical controls on the Cu and Zn fractions in the Yangtze River estuarine sediments

Shou ZHAO,Dongxin WANG,Chenghong FENG,Ying WANG,Zhenyao SHEN

Journal Article

Fabrication of bimetallic Cu–Zn adsorbents with high dispersion by using confined space for gas adsorptive

Journal Article

Fast and catalytic pyrolysis of xylan: Effects of temperature and M/HZSM-5 (M= Fe, Zn) catalysts on pyrolytic

Xifeng ZHU, Qiang LU, Wenzhi LI, Dong ZHANG,

Journal Article

Effective enrichment of Zn from smelting wastewater via an integrated Fe coagulation and hematite precipitation

Zhan Qu, Ting Su, Yu Chen, Xue Lin, Yang Yu, Suiyi Zhu, Xinfeng Xie, Mingxin Huo

Journal Article

The speciation, leachability and bioaccessibility of Cu and Zn in animal manure-derived biochar: effect

Qi Lin, Xin Xu, Lihua, Wang, Qian Chen, Jing Fang, Xiaodong Shen, Liping Lou, Guangming Tian

Journal Article

Efficient flower-like ZnSe/CuZnS photocatalyst for hydrogen production application

Journal Article