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A novel gel polymer electrolyte (GPE) based on polyvinylidene fluoride (PVdF) and polyvinyl alcohol (PVA) with reliable electrochemical performance, mechanical robustness and safety features is prepared by a casting method. The physical, electrochemical and thermal properties of the casting membrane are characterized by scanning electron microscopy (SEM), atomic force microscope (AFM), thermal gravimetric...
An artificial superhydrophobic Poly-p-phenylenebenzobisoxazole (PBO) fiber bundles were designed and prepared using chemical surface modification. Water contact angles as high as 166.3° were achieved. The loading capacities and pressure resistances of these PBO fiber bundle boats were characterized. The highest loading weight of our superhydrophobic boats was more than 9.42g, which was attributed...
Variations in the mechanical strength of aggregates with aggregate cross-sectional area have been modelled in this work. The fractal structures of aggregates were considered in conjunction with fundamental mechanisms of aggregate formation and rupture during the modelling. A quantitative expression of aggregate porosity and characteristic length in terms of aggregate fractal dimensions was derived...
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