Preparation of a lead titanate nanosphere and its application in sodium-ion batteries
A technology of nanospheres and lead titanate, applied in titanate, secondary batteries, battery electrodes, etc., can solve the problems of unprepared lead titanate and achieve excellent rate performance, high specific capacity, and low energy consumption Effect
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Embodiment 1
[0019] A kind of lead titanate PbTi 0.8 o 2.6 The preparation method of nanosphere, concrete steps are as follows:
[0020] Add 1.36 milliliters of n-butyl titanate to 8 milliliters of ethanol, then add 8 milliliters of water, stir and hydrolyze for 3 minutes, then add 1.12 grams of potassium hydroxide, 0.05 grams of poly Vinyl alcohol, 1.72 grams of lead nitrate, finally add 22 milliliters of water therein, stir at normal temperature for 1 hour, move in the reaction kettle of 50 milliliters, place in the baking oven of 120 degree, react for 2 hours, after the gained product is washed once, Then wash once with 10% acetic acid solution, and finally wash twice with water, and dry to obtain amorphous lead titanate nanospheres.
[0021] The prepared lead titanate PbTi 0.8 o 2.6 Nanospheres are used in sodium-ion batteries, and the specific steps are as follows:
[0022] Firstly, the raw materials are weighed. According to the mass ratio, amorphous lead titanate nanospheres: p...
Embodiment 2
[0025] A kind of lead titanate PbTi 0.8 o 2.6 The preparation method of nanosphere, concrete steps are as follows:
[0026] Add 1.36 milliliters of n-butyl titanate to 8 milliliters of ethanol, then add 8 milliliters of water, stir and hydrolyze for 3 minutes, then add 1.12 grams of potassium hydroxide, 0.05 grams of poly Vinyl alcohol, 1.72 grams of lead nitrate, finally add 22 milliliters of water therein, stir at normal temperature for 1 hour, move in the reaction kettle of 50 milliliters, place in the baking oven of 120 degree, react for 4 hours, after the gained product is washed once, Then wash once with 10% acetic acid solution, and finally wash twice with water, and dry to get PbTi 0.8 o 2.6 nanospheres.
[0027] The prepared PbTi 0.8 o 2.6 Nanospheres are used in sodium-ion batteries, and the specific steps are as follows:
[0028] First weigh the raw materials, by mass ratio, PbTi 0.8 o 2.6 Nanosphere: polyvinylidene fluoride: acetylene black = 60:30:10;
...
Embodiment 3
[0031] A kind of lead titanate PbTi 0.8 o 2.6 The preparation method of nanosphere, concrete steps are as follows:
[0032] Add 1.36 milliliters of n-butyl titanate to 8 milliliters of ethanol, then add 8 milliliters of water, stir and hydrolyze for 3 minutes, then add 1.12 grams of potassium hydroxide, 0.05 grams of poly Vinyl alcohol, 1.72 grams of lead nitrate, finally add 22 milliliters of water therein, stir at normal temperature for 1 hour, move in the reaction kettle of 50 milliliters, be placed in the baking oven of 120 degree, react for 6 hours, after the gained product is washed once, Then wash once with 10% acetic acid solution, and finally wash twice with water, and dry to get PbTi 0.8 o 2.6 nanospheres.
[0033] The prepared PbTi 0.8 o 2.6 Nanospheres are used in sodium-ion batteries, and the specific steps are as follows:
[0034] First weigh the raw materials, by mass ratio, PbTi 0.8 o 2.6 Nanosphere: polyvinylidene fluoride: acetylene black = 60:30:10;...
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