130 Result(s)
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Kui **a
Physical Chemistry
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Article
Properties of Ti2CO2 and Ti2CO2/G heterostructures as anodes of sodium-ion batteries by first-principles study
In this study, the geometric and electronic properties of Ti2CO2 and Ti2CO2/G heterostructures as anode materials for sodium-ion batteries were systematically investigated using first-principles calculations. ...
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Corrosion mechanism of Zn–Al–Mg-coated steel in simulated polluted marine atmosphere
The corrosion behaviour of zinc–aluminium–magnesium-coated steel in a simulated polluted marine atmospheric environment was investigated. Therefore, an indoor ageing acceleration test was carefully designed by...
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Article
The role of isomeric alkyl chains of polymer donors on charge-transfer processes in non-fullerene organic photovoltaics: a theoretical investigation
To investigate the effects of polymer donors with isomeric alkyl chains on the interfacial charge-transfer (CT) processes, the rates of exciton dissociation (kED) and charge recombination (kCR) have been calculat...
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Article
Influence of heat treatment on microstructure of a new β-solidifying γ-TiAl alloy
The high strength and stability of the full-lamellar structure guarantee the industrial application of the β-solidifying γ-TiAl alloys. However, it is a huge challenge to design an alloy with good hot-deformab...
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Article
Open AccessGraphene Oxide Treated by Temperature with Enhancement of Adsorption for Organic Pollutants and Catalytic Degradation with Hydrogen Peroxide
Graphene oxide (GO) has been used in the range of organic pollutants adsorption and degradation. It’s important to improve the performance of GO in the treatment of organic pollutants. Here, we found that the ...
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Enhanced photothermal dehydration of methanol over W18O49/Au/SAPO-34 catalysts with broadened light absorption
Methanol-to-olefins (MTO) process is one of the most critical pathways to produce low carbon olefins. Typically, the reaction is driven by thermal catalysis, which inevitably needs to consume large amounts of ...
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Lithium-induced graphene layer containing Li3P alloy phase to achieve ultra-stable electrode interface for lithium metal anode
Uncontrolled growth of lithium dendrite will lead to low Coulombic efficiency and poor cycle stability, which hinders the commercialization of lithium metal batteries. Herein, a novel modified lithium anode wi...
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Using first-principles study on the characteristics of γ-GeSe as anode of sodium-ion battery
γ-GeSe is a newly discovered two-dimensional (2D) material with exceptional electrical conductivity, which has generated significant interest in secondary ion battery. In this study, we have used first-principl.....
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Article
Effect of heat treatment on corrosion resistance and antibacterial ability of 0Cr15Ni5Cu3Mo carbon steel
Before and after heat treatment, 0Cr15Ni5Cu3MoN stainless steel (SS) samples were immersed in sulfate-reducing bacteria (SRB) environment to study the effect of heat treatment on the antimicrobial properties o...
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Article
2D-MOF/2D-MOF heterojunctions with strong hetero-interface interaction for enhanced photocatalytic hydrogen evolution
Metal organic framework (MOF) shows great potential in the research field of photocatalysis, and it is a big challenge to achieve efficient photocatalytic activity. In this work, we have successfully grown two...
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One-Pot Synthesis of Cu–SO42−–ZrO2 Catalysts for Use as Acid Catalyst in Dimethyl Ether Production from CO2 Hydrogenation
The present research investigates the possibility of enhancing the stability of SO42−–ZrO2 catalyst by adding Cu (2–12 wt%) prepared via a simple one-pot synthesis method. The substantial changes in the structure...
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Article
Enhanced OER Performance by Cu Substituted Spinel Cobalt Oxide
Cobaltite spinel oxides (CuCo2O4), which show electrocatalytic activity for oxygen evolution reaction (OER), are readily synthesized using a facile hydrothermal method, with a stationary ratio, uniform flower-lik...
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Article
Open AccessThermoresponsive hydrogels with sulfated polysaccharide-derived copolymers: the effect of carbohydrate backbones on the responsive and mechanical properties
Thermoresponsive hydrogels based on ionic cellulose/chitosan are widely used various fields, such as smart windows and tissue engineering, while the effect of carbohydrate backbones of cellulose/chitosan on th...
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Article
Modeling and control-oriented thermal characteristics under variable load of the solid oxide fuel cell
The performance of the solid oxide fuel cell (SOFC) is greatly influenced by its operating temperature. Therefore, making a profound study of the thermal characteristics inside the SOFC stack and maintaining t...
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Article
Mechanism of primary Si and Fe-segregation for a hypereutectic 90 wt.% Si–Ti alloy melt in directional solidification via electromagnetism
The electromagnetic directional solidification (DS) phase separation experiments of high silicon 90 wt.% Si–Ti alloy were performed under various pulling-down speeds. The results showed that Si enriched layer,...
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Article
N-doped C-coated MoO2/ZnIn2S4 heterojunction for efficient photocatalytic hydrogen production
Designing a heterojunction photocatalyst to improve the separation efficiency of photogenerated electrons and holes is of great significance to improve the hydrogen production efficiency. In this work, we repo...
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Aminated polyacrylonitrile fibers for the removal of hydrogen sulfide from natural gas at room temperature
H2S is a common toxic gas in natural gas processing, and adsorption is a promising technology for hydrogen sulfide removal. However, current desulfurization agents suitable for low ambient temperatures and easy ....
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Article
Hydrogen Generation from CO2 Reforming of Biomass-Derived Methanol on Ni/SiO2 Catalyst
CO2 reforming of methanol for producing hydrogen was experimentally carried out in a fixed-bed reactor on 10%Ni/SiO2. The 10%Ni/SiO2 was completely reduced during H2 activation and it had the surface area of 240....
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Article
Structure-Activity Relationships of Pt-WOx/Al2O3 Prepared with Different W Contents and Pretreatment Conditions for Glycerol Conversion to 1,3-Propanediol
Turning waste glycerol into a fundamental chemical used in the petrochemical industry offers an opportunity to reduce not only waste from biodiesel production but also the consumption of petroleum-based chemic...
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Optimization of thermal and flow characteristics of plate heat exchanger with variable structure parameter
The plate heat exchanger is an efficient and compact heat exchanger, which has the advantages of high heat transfer coefficient and compact structure compared with other heat exchangers. The CFD simulation, ra...
