Micron spherical titanium niobate and preparation method thereof
A titanium niobate and spherical technology, applied in the field of micro-spherical titanium niobate and its preparation, can solve the problems of large particle size, low controllability of chemical reaction process, affecting lithium ion transport, etc. Hydrolysis controllable effect
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Embodiment 1
[0037] Accurately measure 60mL of glycerol as the reaction solvent, add 0.2mmol of niobium pentachloride to the reaction solvent, stir until it is completely dissolved, then add 0.1mmol of tetrabutyl titanate, stir and dissolve completely until the solution is colorless In a clear state, the above solution was transferred to a high-temperature reactor lined with polyphenylene material, and subjected to solvothermal reaction at 200°C for 24 hours. After the reaction, the reaction product was recovered, washed, and dried to obtain the reaction product.
Embodiment 2
[0039] First mix glycerol and acetic acid in a volume ratio of 2:1 to obtain a reaction solvent, accurately measure 60 mL of reaction solvent, add 0.2 mmol of niobium pentachloride to the reaction solvent, stir until completely dissolved, and then add 0.1mmol of tetrabutyl titanate, stir and dissolve completely until the solution is in a colorless and clear state, transfer the above solution to a high-temperature reactor lined with polyphenylene material, perform a hydrolysis reaction at 200°C for 24 hours, and recover the reaction after the reaction The product is washed and dried to obtain the reaction product.
Embodiment 3
[0041] First, mix glycerol and acetic acid in a volume ratio of 1:2 to obtain a reaction solvent, accurately measure 60 mL of reaction solvent, add 0.2 mmol of niobium pentachloride to the reaction solvent, stir until completely dissolved, and then add 0.1mmol of tetrabutyl titanate, stir and dissolve completely until the solution is in a colorless and clear state, transfer the above solution to a high-temperature reactor lined with polyphenylene material, perform a hydrolysis reaction at 200°C for 24 hours, and recover the reaction after the reaction The product is washed and dried to obtain the reaction product.
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