Preparation method of strontium titanate energy storage medium ceramic material with high breakdown and high energy storage density
A technology of high energy storage density and energy storage medium, which is applied in the field of preparation of ceramic medium energy storage materials, can solve the problems of difficulty in meeting practical application requirements, coarse and uneven crystal grains, high production costs, etc., and achieve a simple and fast preparation method, releasable The effect of high energy storage density and high density
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Embodiment 1
[0031] Step 1: Measure 7 mL of butyl titanate with a purity of 99%, drop it into 100 mL of deionized water with slow stirring, and after the solution forms a white gelatinous precipitate, dropwise add 18 mL of nitric acid into the solution and stir vigorously until a white gelatinous The precipitate was completely dissolved to form TiO (NO 3 ) 2 clear solution;
[0032] Step 2: Weigh 23.68g of glycine respectively (i.e. The value is 7) and 4.29 g of strontium nitrate were added to TiO (NO 3 ) 2 The solution is mixed evenly to form a precursor solution, which is transferred to a 500ml beaker and heated, evaporated and concentrated in a universal furnace until foaming and combustion to obtain carbon-containing nano-SrTiO 3 Ceramic primary powder;
[0033] Step 3: The carbon-containing nano-SrTiO obtained in step 2 3 The ceramic primary powder was placed in a 650 ℃ muffle furnace for 1.5 hours to remove carbon, and the nano-SrTiO after carbon removal was taken. 3 Add 0.2 ...
Embodiment 2
[0035] Step 1: Measure 7mL of butyl titanate with a purity of 99% and drop it into 100mL deionized water with slow stirring. After the solution forms a white gelatinous precipitate, dropwise add 18mL of nitric acid to the solution and stir vigorously until a white gelatinous state is formed. The precipitate was completely dissolved to form TiO (NO 3 ) 2 clear solution;
[0036] Step 2: Weigh 23.68g of glycine respectively (i.e. The value is 7) and 4.29 g of strontium nitrate were added to TiO (NO 3 ) 2 The solution is mixed evenly to form a precursor solution, which is transferred to a 500ml beaker and heated, evaporated and concentrated in a universal furnace until foaming and combustion to obtain carbon-containing nano-SrTiO 3 Ceramic primary powder;
[0037] Step 3: The carbon-containing nano-SrTiO obtained in step 2 3 The ceramic primary powder was placed in a 650 ℃ muffle furnace for 1.5 hours to remove carbon, and the nano-SrTiO after carbon removal was taken. 3 ...
Embodiment 3
[0039] Step 1: Measure 7mL of butyl titanate with a purity of 99% and drop it into 100mL deionized water with slow stirring. After the solution forms a white gelatinous precipitate, dropwise add 18mL of nitric acid to the solution and stir vigorously until a white gelatinous state is formed. The precipitate was completely dissolved to form TiO (NO 3 ) 2 clear solution;
[0040] Step 2: Weigh 27.07g of glycine respectively (i.e. value is 8) and 4.29 g of strontium nitrate was added to TiO (NO 3 ) 2 The solution is mixed evenly to form a precursor solution, which is transferred to a 500ml beaker and heated, evaporated and concentrated in a universal furnace until foaming and combustion to obtain carbon-containing nano-SrTiO 3 Ceramic primary powder;
[0041] Step 3: The carbon-containing nano-SrTiO obtained in step 2 3 The ceramic primary powder was placed in a 650 ℃ muffle furnace for 1.5 hours to remove carbon, and the nano-SrTiO after carbon removal was taken. 3 Add 0...
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