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A novel recycling process was developed to produce vanadium aluminum (AlV55) alloy using vanadium aluminum (AlV65) alloy scrap and aluminum (Al) under vacuum. The theoretical calculation indicates that Al can be evaporated under vacuum. Excessive Al would be consumed during melting process when the reaction temperature ranges from 1823 to 2123 K, according to the theoretical calculation, which indicates...
Composites of spinel Li 4 Ti 5 O 12 –ramsdellite Li 2 Ti 3 O 7 (Li 4 Ti 5 O 12 –Li 2 Ti 3 O 7 ) were prepared and evaluated for anode materials in lithium-ion batteries. Our experimental results turns out that sintering temperatures and carbon content play important roles in forming these composites. Under...
The chlorination-disproportionation of Al 4 O 4 C and Al 4 C 3 in vacuum was investigated by thermodynamic analysis and experiments using the side products of the AlCl disproportionation process of alumina, consisting of Al 4 O 4 C, Al 4 C 3 , Al 2 O 3 and C, as raw materials. It was demonstrated that the chlorinations...
As a novel red long afterglow phosphor, Si 4+ and Ti 4+ ion codoped Gd 2 O 2 S:Eu phosphor with spherical morphology, sub-micrometer size and narrow particle size distribution was synthesized by solid-state reaction in vacuum. The vacuum synthesis mechanism was determined by thermal analysis. The crystal structure, luminescence properties and mechanisms were investigated...
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