16 Result(s)
within
Fu-Ming Wang
Materials Science
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Article
Advances in polymer electrode materials for alkali metals (lithium, sodium and potassium)-ion rechargeable batteries
Organic polymer materials gain much attentions due to its high nature abundance, tuneable property with respect to functional groups, easy processing, low-cost alternate to their inorganic counter-part. The co...
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Article
N-Doped Graphene Sheet Encapsulated Sulfur Binary Composite as Cathode for Lithium-Sulfur Battery Applications
Herein, sulfur-/nitrogen-doped graphene (SNG) binary composite has been prepared by melt diffusion method and employed as cathode material for lithium-sulfur (Li-S) battery. The physical and electrochemical pe...
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Article
Synthesis and characterization of PNIPAM microgel core–silica shell particles
We developed a simple effective approach to prepare poly(N-isopropylacrylamide-co-acrylamide-co-N,N′-methylenebisacrylamide) (PNIPAM/AM/MBA) microgel core–silica shell particles with narrow particle size distr...
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Effect of Nb and V on the continuous cooling transformation of undercooled austenite in Cr–Mo–V steel for brake discs
The increasing speed of trains necessitates the development of brake-disc materials that meet more stringent requirements. Therefore, Nb and V have been added to Cr–Mo–V steel to improve its thermal fatigue pe...
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Effect of Cooling Rate on Precipitation Behavior and Micromechanical Properties of Ferrite in V-N Alloyed Steel During a Simulated Thermomechanical Process
The effect of the cooling rate after finish deformation at 1223 K (950 °C) on the microstructural evolution, V(C,N) precipitation, and micromechanical properties of ferrite in high-N V-alloyed building steel w...
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Article
Microstructure, Precipitation, and Mechanical Properties of V-N-Alloyed Steel After Different Cooling Processes
Three cooling processes (direct air cooling, water cooling to 1023 K and 873 K (750 °C and 600 °C) followed by air cooling) after hot rolling are designed to develop V-N-alloyed 600 MPa grade high-strength ste...
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Kinetics and formation mechanisms of intragranular ferrite in V-N microalloyed 600 MPa high strength rebar steel
To systematically investigate the kinetics and formation mechanisms of intragranular ferrite (IGF), isothermal heat treatment in the temperature range of 450°C to 600°C with holding for 30 s to 300 s, analysis...
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Article
A novel attempt for employing brannerite type copper vanadate as an anode for lithium rechargeable batteries
Researchers are trying to find a novel anode material which is essential for taking lithium batteries to the next stage. Among the classical anodes, the conversion electrodes play a special role owing to their...
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DICTRA Simulation of Holding Time Dependence of NbC Size and Experimental Study of Effect of NbC on Austenite Grain Growth
The effect of austenitizing temperature and holding time on the prior austenite grain size was examined in both the transverse and the longitudinal directions of the samples that were made of the offshore str...
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Article
Open AccessEffects of cooling rate and Al on MnS formation in medium-carbon non-quenched and tempered steels
The effect of Al on the morphology of MnS in medium-carbon non-quenched and tempered steel was investigated at three different cooling rates of 0.24, 0.43, and 200°C·s-1. The formation mechanisms of three types o...
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Thermodynamic analysis of the compositional control of inclusions in cutting-wire steel
Data from a thermodynamic database and the calculation software FactSage were used to investigate the phase diagrams of the MnO-CaO-SiO2-Al2O3 system in cutting-wire steel and the effects of oxide components on t...
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Article
High-temperature mechanical properties of near-eutectoid steel
The high-temperature mechanical properties of near-eutectoid steel were studied with a Gleeble-1500 simulation machine. Zero strength temperature (ZST), zero ductility temperature (ZDT), hot ductility curves, ...
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Article
Breakthrough additive technology for improving the performance of high-power lithium ion batteries
We report a breakthrough in the field of electrolyte additives for use in lithium ion batteries. Batteries containing maleimide (0.1 wt%) as an electrolyte additive absorbed moisture (H2O) from a high-humidity...
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Article
Simulation of the continuous casting process in a mold of free-cutting steel 38MnVS based on a MiLE method
A new method called mixed Lagrangian and Eulerian (MiLE) method was used to simulate the continuous casting process in a mold of free-cutting steel 38MnVS. The simulation results are basically in agreement wit...
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Article
Study on NiO/Fe interface with X-ray photoelectron spectroscopy
Different monolayers (ML) of Fe atoms were deposited on NiO (001) substrates or NiO underlayers using molecular beam epitaxy (MBE), pulse laser deposition (PLD), and magnetron sputtering (MS). The magnetic pro...
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Article
Aqueous processing of lithium-ion battery cathodes using hydrogen peroxide-treated vapor-grown carbon fibers for improvement of electrochemical properties
The electrochemical behavior of aqueous processing lithium cobalt oxide (LiCoO2) cathodes used hydrogen peroxide (H2O2)-treated vapor-grown carbon fibers (VGCFs) as a conductive agent for lithium-ion batteries ha...
