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Performance of iron-air battery with iron nanoparticle-encapsulated C–N composite electrode

Frontiers in Energy doi: 10.1007/s11708-023-0913-5

Abstract: Highly efficient and stable iron electrodes are of great significant to the development of iron-air battery (IAB). In this paper, iron nanoparticle-encapsulated C–N composite (NanoFe@CN) was synthesized by pyrolysis using polyaniline as the C–N source. Electrochemical performance of the NanoFe@CN in different electrolytes (alkaline, neutral, and quasi-neutral) was investigated via cyclic voltammetry (CV). The IAB was assembled with NanoFe@CN as the anode and IrO2 + Pt/C as the cathode. The effects of different discharging/charging current densities and electrolytes on the battery performance were also studied. Neutral K2SO4 electrolyte can effectively suppress the passivation of iron electrode, and the battery showed a good cycling stability during 180 charging/discharging cycles. Compared to the pure nano-iron (NanoFe) battery, the NanoFe@CN battery has a more stable cycling stability either in KOH or NH4Cl + KCl electrolyte.

Keywords： energy storage and conversion     metallic composites     nanocomposites     iron-air battery     iron anode    

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Simultaneous removal of total oxidizable carbon, phosphate and various metallic ions from HO solution

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 4,   Pages 470-482 doi: 10.1007/s11705-022-2231-6

Abstract: Accordingly, the removal efficiency of total oxidizable carbon, phosphate and metallic ions from the

Keywords： adsorption     zirconia     total oxidizable carbon     phosphate     metallic ions     hydrogen peroxide    

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Corrosion behavior of metallic alloys in molten chloride salts for thermal energy storage in concentrated

Wenjin Ding, Alexander Bonk, Thomas Bauer

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 3,   Pages 564-576 doi: 10.1007/s11705-018-1720-0

Abstract: the power block in CSP, however causes additional challenges, particularly increased corrosiveness of metallicThus, it is essential to study corrosion behaviors and mechanisms of metallic alloys in molten chloridesThe results of studies on hot corrosion of metallic alloys in molten chlorides are reviewed to understandmonitor corrosive impurities in molten chlorides, in order to efficiently control corrosion rates of metallic

Keywords： corrosion mechanisms     impurities     metallic corrosion     salt purification     electrochemical techniques    

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combined buoyant-thermocapillary flow along with rising liquid film on the surface of a horizontal metallic

Manuel J. GOMES, Ning MEI

Frontiers in Energy 2020, Volume 14, Issue 1,   Pages 114-126 doi: 10.1007/s11708-017-0483-5

Abstract: been considered in the analysis of the influences of the initial level of immersion of a horizontal metallicThe combined flow occurs along with the rising liquid film flow on the surface of a horizontal metallicThree different levels of immersion of the metallic mesh tube in the liquid have been tested.Experiments of 60 min in duration have been performed using a heating metallic tube with a diameter of25 mm and a length of 110 mm, sealed outside with a metallic mesh of 178 mm by 178 mm, and distilled

Keywords： rising liquid film     combined flow     thermo-capillary flow     buoyant flow     metallic mesh tube     horizontal tube    

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Nonlinear analysis and reliability of metallic truss structures

Karim BENYAHI, Youcef BOUAFIA, Salma BARBOURA, Mohand Said KACHI

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 4,   Pages 577-593 doi: 10.1007/s11709-017-0458-y

Abstract: The made check concerned metallic in truss structures.

Keywords： modeling     nonlinearity mechanical     truss     probability     reliability     response surface     probability of failure    

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Mixed mode properties of CNT reinforced composites using Arcan test rig

Jacob MUTHU

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 4,   Pages 397-404 doi: 10.1007/s11709-015-0321-y

Abstract: Composite materials reinforced with carbon nanotubes were mechanical tested using Arcan test rig under Mode-I, Mode-II and mixed mode loading conditions to obtain their fracture properties. The butterfly composite specimens were fabricated with 0.02, 0.05 and 0.1 wt % CNTs. The polyester/CNT composite was fabricated using VRTM (Vacuum Resin Transfer Molding) where the CNTs were first functionalised to reach an optimum properties. Arcan test rig was designed and fabricated to work with the Shimadzu testing machine. The results show that the functionalised CNTs have improved the fracture behavior by acting as bridge between the cracked face. In addition, the fracture properties were not improved for the higher weight fraction of 0.1 wt% CNTs.

Keywords： CNT     composites     Arcan test rig     stress intensity factor    

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Rheological behavior of PMVE-MA aqueous solution with metallic cations

Xiaoping DONG, Li LI, Jun XU, Xuhong GUO

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 1,   Pages 126-130 doi: 10.1007/s11705-010-0548-z

Abstract: properties of aqueous solutions of poly(methyl vinyl ether-co-maleic anhydride) (PMVE-MA) upon addition of metallictransition and shear-thickening phenomena at moderate shear rate were observed upon increasing the amount of metallicThe shear-thickening behavior depends on , pH, metallic valence, and temperature.

Keywords： poly(methyl vinyl ether-co-maleic anhydride)     shear-thickening     gel point     rheology    

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Numerical modeling of nonlinear deformation of polymer composites based on hyperelastic constitutive

Qingsheng YANG, Fang XU

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 3,   Pages 284-288 doi: 10.1007/s11465-009-0067-0

Abstract: Fiber reinforced polymer (FRP) composites exhibit nonlinear and hyperelastic characteristics under finiteThis paper investigates the macroscopic hyperelastic behavior of fiber reinforced polymer compositesNumerical examples are given to demonstrate hyperelastic behavior and deformation of the composites,of the distribution pattern of fibers are also investigated to model the mechanical behavior of FRP composites

Keywords： composites     hyperelastic     finite deformation     homogenization     micromechanics    

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Fiber-reinforced composites in milling and grinding: machining bottlenecks and advanced strategies

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 2, doi: 10.1007/s11465-022-0680-8

Abstract: Fiber-reinforced composites have become the preferred material in the fields of aviation and aerospacedamage formation mechanisms and suppression strategies in milling and grinding for the fiber-reinforced compositesspecific aspects and explore new area for achieving high precision surface machining of fiber-reinforced composites

Keywords： milling     grinding     fiber-reinforced composites     damage formation mechanism     delamination     material removal    

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Strengthening of the concrete face slabs of dams using sprayable strain-hardening fiber-reinforced cementitious composites

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 2,   Pages 145-160 doi: 10.1007/s11709-022-0806-4

Abstract: In this study, sprayable strain-hardening fiber-reinforced cementitious composites (FRCC) were applied

Keywords： strain-hardening cementitious composites     engineered cementitious composites     sprayable     shotcrete     strengthening    

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Promising approach for preparing metallic single-atom catalysts: electrochemical deposition

Frontiers in Energy 2022, Volume 16, Issue 4,   Pages 537-541 doi: 10.1007/s11708-022-0837-5

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Detection of void and metallic inclusion in 2D piezoelectric cantilever beam using impedance measurements

S. SAMANTA, S. S. NANTHAKUMAR, R. K. ANNABATTULA, X. ZHUANG

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 3,   Pages 542-556 doi: 10.1007/s11709-018-0496-0

Abstract: This methodology has been extended to detect single circular metallic inclusion in 2D piezoelectric cantilever

Keywords： piezoelectricity     impedance curve     mode shapes     inverse problem     flaw detection     curve shifting    

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Tuning of the active phase structure and hydrofining performance of alumina-supported tri-metallic WMoNi

Shufeng Shan, Haiyan Liu, Gang Shi, Xiaojun Bao

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 1,   Pages 59-69 doi: 10.1007/s11705-017-1686-3

Abstract: The effects of phosphorus on the structure and hydrofining performance of tri-metallic WMoNi/Al O catalystsIn contrast, when phosphorus was incorporated into a tri-metallic WMoNiP/Al O catalyst prepared by athe active phase to enhance the hydrogenation and hydrodenitrogenation activity of the resulting tri-metallic

Keywords： fluid catalytic cracking diesel     hydrofining performance     WMoNiP/Al2O3     synergetic effect and structure of NiWMoS phases    

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Deformation characteristics of corrugated composites for morphing wings

Ruijun GE, Bangfeng WANG, Changwei MOU, Yong ZHOU,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 1,   Pages 73-78 doi: 10.1007/s11465-009-0063-4

Abstract: FEM models are established and solved to predict the characteristics of the composites by the commercialTo reflect the stretching superiority of the configuration, the elongation of corrugated and flat compositesThe linear cumulative effect of corrugated composites deformation is proved by calculating the elongationof the composites with several different corrugation numbers.manufactured and tested to verify the results of numerical analysis and the equivalent elastic modulus of the composites

Keywords： corrugated composites     deformation characteristic     numerical analysis     experiment    

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Fabrication of ionic polymer-metal composites (IPMCs) and robot design

Hanmin PENG, Qingjun Ding, Huafeng LI

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 3,   Pages 332-338 doi: 10.1007/s11465-009-0046-5

Abstract: a method for preliminary manufacturing experiments on a type of smart materials—ionic polymer-metal composites

Keywords： ionic polymer-metal composites (IPMCs)     artificial muscles     actuator     bionic robot     platinum-plated    

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Title Author Date Type Operation

Performance of iron-air battery with iron nanoparticle-encapsulated C–N composite electrode

Journal Article

Simultaneous removal of total oxidizable carbon, phosphate and various metallic ions from HO solution

Journal Article

Corrosion behavior of metallic alloys in molten chloride salts for thermal energy storage in concentrated

Wenjin Ding, Alexander Bonk, Thomas Bauer

Journal Article

combined buoyant-thermocapillary flow along with rising liquid film on the surface of a horizontal metallic

Manuel J. GOMES, Ning MEI

Journal Article

Nonlinear analysis and reliability of metallic truss structures

Karim BENYAHI, Youcef BOUAFIA, Salma BARBOURA, Mohand Said KACHI

Journal Article

Mixed mode properties of CNT reinforced composites using Arcan test rig

Jacob MUTHU

Journal Article

Rheological behavior of PMVE-MA aqueous solution with metallic cations

Xiaoping DONG, Li LI, Jun XU, Xuhong GUO

Journal Article

Numerical modeling of nonlinear deformation of polymer composites based on hyperelastic constitutive

Qingsheng YANG, Fang XU

Journal Article

Fiber-reinforced composites in milling and grinding: machining bottlenecks and advanced strategies

Journal Article

Strengthening of the concrete face slabs of dams using sprayable strain-hardening fiber-reinforced cementitious composites

Journal Article

Promising approach for preparing metallic single-atom catalysts: electrochemical deposition

Journal Article

Detection of void and metallic inclusion in 2D piezoelectric cantilever beam using impedance measurements

S. SAMANTA, S. S. NANTHAKUMAR, R. K. ANNABATTULA, X. ZHUANG

Journal Article

Tuning of the active phase structure and hydrofining performance of alumina-supported tri-metallic WMoNi

Shufeng Shan, Haiyan Liu, Gang Shi, Xiaojun Bao

Journal Article

Deformation characteristics of corrugated composites for morphing wings

Ruijun GE, Bangfeng WANG, Changwei MOU, Yong ZHOU,

Journal Article

Fabrication of ionic polymer-metal composites (IPMCs) and robot design

Hanmin PENG, Qingjun Ding, Huafeng LI

Journal Article