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An organometallic salt as the electrolyte additive to regulate lithium polysulfide redox and stabilize lithium anodes for robust lithium-sulfur batteries
Lithium-sulfur (Li-S) batteries with high theoretical specific energy are considered to be one of the highly promising next-generation energy storage systems. However, the shuttle effect of lithium polysulfide...
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Article
Orbital elasticity control of phase diagram for La0.67Sr0.33MnO3 films
Transition metal oxides display rich functionalities, but intricate internal degrees of freedom pose a challenge to understanding phase diagrams as a road map for material exploration. Here, the order of orbit...
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Article
Simultaneously enhanced oxidation resistance and mechanical properties in a novel lightweight Ti2VZrNb0.5Al0.5 high-entropy alloy
Enhanced oxidation resistance is a primary demand for the application of refractory high-entropy alloys (RHEAs) at elevated temperatures. In this study, Al was added to a Ti2VZrNb RHEA to partially substitute Nb ...
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Article
In situ atomistic mechanisms of detwinning in nanocrystalline AuAg alloy
Detwinning is an important plastic deformation mechanism that can significantly affect the mechanical properties of twin-structured metals. Although many detwinning mechanisms have been proposed for pure metal...
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Article
Recyclable cobalt-molybdenum bimetallic carbide modified separator boosts the polysulfide adsorption-catalysis of lithium sulfur battery
The polysulfide shuttling and sluggish redox kinetics, due to the notorious adsorption-catalysis underperformance, are the ultimate obstacles of the practical application of lithium-sulfur (Li-S) batteries. Co...
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Article
Sulfur/nickel ferrite composite as cathode with high-volumetric-capacity for lithium-sulfur battery
Low volumetric energy density is a bottleneck for the application of lithium-sulfur (Li-S) battery. The low-density sulfur cooperated with the light-weight carbon substrate realizes electrochemical cycle stabi...
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Article
Characteristics of unsteady lubrication film in metal-forming process with dynamic roll gap
Based on the theory of unsteady hydrodynamic lubrication and relevant mathematic and physical methods, a basic model was developed to analyze the unsteady lubrication film thickness, pressure stress and fricti...
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Article
Modeling and control for hydraulic transmission of unmanned ground vehicle
Variable pump driving variable motor (VPDVM) is the future development trend of the hydraulic transmission of an unmanned ground vehicle (UGV). VPDVM is a dual-input single-output nonlinear system with couplin...
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Article
Ruthenium carbene initiated ring-open metathesis polymerization of endo-bicyclo[3.2.0]hept-6-en-3-yl benzoates with tacticity studies
After tentative ring-opening cross metathesis (ROCM) of endo-bicyclo[3.2.0]hept-6-en-3-yl 4-bromobenzoate with PhCH=CH2 initiated by (Cy3P)2Cl2Ru=CHPh in CH2Cl2, ring-opening metathesis polymerization (ROMP) of a...