39 Result(s)
within
**-Yi Ren
Physical Chemistry
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Article
Effect of phase content on deformation compatibility in ferrite and bainite dual-phase steel: experimental and crystal plasticity finite element analysis
The phase volume fraction has an important role in the match of the strength and plasticity of dual phase steel. The different bainite contents (18–53 vol.%) in polygonal ferrite and bainite (PF + B) dual phas...
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Article
High-performance sodium storage for cobalt phosphide composite array electrodes
Transition metal phosphides hold great potential as sodium-ion batteries anode materials owing to their high theoretical capacity and modest plateau. However, volume changes and low intrinsic conductivity seri...
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Article
Boosted photocatalytic removal of NO using direct Z-scheme UiO-66-NH2/Bi2MoO6 nanoflowers heterojunction: mechanism insight and humidity effect
In practical applications, relative humidity in the air is a key factor affecting the photocatalytic removal of NO, which is often overlooked in previous studies. Here, we developed a direct Z-scheme UiO-66-NH2/B...
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Article
Recent progress of two-dimensional metal-base catalysts in urea oxidation reaction
Urea oxidation reaction (UOR) is an auxiliary water electrolysis hydrogen production technology developed in recent years to replace oxygen evolution reaction and reduce energy consumption, which can produce h...
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Multiscale control of MnO2 growth via [WO6]-perturbed [MnO6] assembly toward a favorable balance between capacitance and rate performance
Although pseudocapacitive manganese dioxide (MnO2) integrates the high-power merit of carbonaceous materials with the high-energy merit of battery-type materials, it still has a long way to go in achieving a more...
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Article
Effect of solute Ce, Mn, and Si on mechanical properties of silicon steel: insights from DFT calculations
The influence of solute Ce, Mn, and Si on the mechanical properties of silicon steel was investigated by first-principles calculation. Ce, Mn, and Si can all be solubilized in Fe matrix. Ce significantly reduc...
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Article
Boosting stability of inverted perovskite solar cells with magnetron-sputtered molybdenum rear electrodes
Perovskite solar cells (PSCs) have attracted widespread attention because of their remarkable efficiency, low cost, and ease of fabrication. However, the operational stability of the PSCs still suffers from th...
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Article
Ultrafine SnO2 in situ modified graphite felt derived from metal–organic framework as a superior electrode for vanadium redox flow battery
Metal–organic framework (MOF) and its derivatives have low-cost, controllable structure, and good catalytic performance, which are often used in the electrochemical field. In this work, SnO2 in situ modified grap...
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Article
Chitosan/tripolyphosphate nanoparticle as elastase inhibitory peptide carrier: characterization and its in vitro release study
This study is aimed at the preparation and evaluation of walnut meal-derived elastase inhibitory peptide loaded in chitosan-tripolyphosphate (CS-TPP) nanoparticles (NPs). It was shown that the maximum encapsul...
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Article
Electronic structures and strengthening mechanisms of superhard high-entropy diborides
High-entropy diborides (HEBs) have attracted extensive research due to their potential ultra-high hardness. In the present work, the effects of transition metals (TM) on lattice parameters, electron work funct...
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Article
Synthesis and storage stability investigation on curing agent microcapsules of imidazole derivatives with aqueous polyurethane as the shell
Curing agent microcapsules with aqueous polyurethane as the shell and imidazole derivatives as the core were synthesized by interfacial reaction. Differential scanning calorimetry and thermo-gravimetric analys...
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Article
Tribocorrosion behavior of antibacterial Ti–Cu sintered alloys in simulated biological environments
Ti–Cu alloys have strong antibacterial properties, high strength and excellent corrosion resistance, which might be used in orthopedic and dental implants. In this paper, the tribocorrosion behaviors of Ti–Cu ...
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Article
Strength, strain capacity and toughness of five dual-phase pipeline steels
The effect of microstructures on strength, strain capacity and low temperature toughness of a micro-alloyed pipeline steel was elucidated. Five various dual-phase microstructures, namely, acicular ferrite and ...
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Article
Determination of Ge in Au alloys using sodium hypophosphite and potassium iodate potentiometric titration method
This paper presents a new method of determining Ge in AuGe alloys by potassium iodate (KIO3) potentiometric titration when Ge(II) and Au(0) are simultaneously reduced from Ge(IV) and Au(III) by sodium hypophosphi...
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Article
An EBSD Investigation on the Evolution of the Surface Microstructure of D2 Wheel Steel During Rolling Contact Fatigue
In this work, the relationship between rolling contact fatigue (RCF) failure and the microstructure of D2 wheel steel was studied using a GPM-30 fatigue tester under oil lubrication conditions. The microstruct...
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Article
Ripening behavior of M23C6 carbides in P92 steel during aging at 800 °C
The rapid coarsening of the M23C6 carbides has been held responsible for the creep fracture in 9–12Cr martensitic heat resistant steels. A commercial P92 steel was subjected to thermal aging at a high temperature...
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Article
Synthesis and characterization of bisdiglycolamides for comparable extraction of Th4+, UO2 2+ and Eu3+ from nitric acid solution
The novel ligand N,N,N′′′′,N′′′′-tetrabutyl-N′′′,N′′′-(N″,N″-diethyl)-ethidene bisdiglycolamide (TBEE-BisDGA) and other eight analogous extractants have been synthesized and characterized by NMR and HRMS. The sol...
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Article
Synthesis and characterization of bis-succinamides for extraction of UO2 2+ from nitric acid solution
Several novel extractants based on the bis-succinamide (BisSCA) structure have been synthesized and characterized by NMR, IR and HRMS. Extraction distribution ratios of U(VI) have been studied as a function of...
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Article
Solvent extraction of uranyl ion with 4-oxaheptanediamide into ionic liquid system from HNO3 solution
Extraction of the uranyl ion (UO2 2+) from aqueous nitric acid solution was investigated by employing 4-oxaheptanediamide (OHA) as extractants in ionic liquids of 1-alkyl-3-methylimidazoli...
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Article
Li-ion-conductive Li2TiO3-coated Li[Li0.2Mn0.51Ni0.19Co0.1]O2 for high-performance cathode material in lithium-ion battery
Li2TiO3 is used as a novel coating material to modify Li(Li0.2Mn0.51Ni0.19Co0.1)O2 electrode to enhance the electrochemical performance of the host material. After coating, the significant improvements in the ini...
