Negative electrode material for lithium ion power and energy storage battery, preparation method thereof, and battery
A technology for energy storage batteries and negative electrode materials, applied in battery electrodes, secondary batteries, circuits, etc., can solve the problems affecting the performance of negative electrode materials, poor liquid absorption capacity, small specific surface area, etc., to improve the liquid absorption and retention capacity, Improve the effect of gram capacity and specific surface area
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Embodiment 1
[0027] 1) Take 5g of iron particles with a particle size of 200 μm, 10g of LA132 and 50g of twice distilled water and stir at high speed for 2 hours, then add 30g of artificial graphite composite materials (10g of spherical graphite, 10g of flake graphite, 10g of fibrous graphite) and 50g of distilled water sub-distilled water, and continue to stir at high speed for 2 hours, and dry at 200°C for 1 hour, and pulverize to obtain a mixed material;
[0028] 2) Add 5g of pitch and 200ml of anhydrous carbon tetrachloride solution successively in a 250ml volumetric flask, and stir until the pitch is completely dissolved to obtain a pitch-based carbon tetrachloride solution; 20g of anhydrous aluminum trichloride is placed in the reaction kettle, Then add 50ml of anhydrous carbon tetrachloride solution until the anhydrous aluminum trichloride dissolves, then add the asphalt-based carbon tetrachloride solution, and stir at a temperature of 50°C, and Friedel-Crafts reaction for 24 hours t...
Embodiment 2
[0031] 1) Weigh 1g of nickel chloride catalyst with a particle size of 200 μm, 1gLA132 binder and 40g of double distilled water by high-speed stirring for 2 hours, then add 20g of artificial graphite composite material (spherical graphite 8g, flake graphite 6g, fibrous graphite 6g) and 60g of double-distilled water, and continued to stir at high speed for 2 hours, and dried at 200°C for 1 hour, and pulverized to obtain a mixed material;
[0032]2) Add 2g of asphalt and 100ml of anhydrous carbon tetrachloride solution successively in a 250ml volumetric flask, and stir until the asphalt is completely dissolved to obtain a pitch-based carbon tetrachloride solution; 10g of anhydrous aluminum trichloride is placed in the reaction kettle, Then add 30ml of anhydrous carbon tetrachloride solution until the anhydrous aluminum trichloride dissolves, then add the asphalt-based carbon tetrachloride solution, and stir at a temperature of 50°C, and Friedel-Crafts reaction for 24 hours to obt...
Embodiment 3
[0035] 1) Weigh 1g of cobalt chloride catalyst with a particle size of 200 μm, 1gLA132 binder and 40g of double distilled water by high-speed stirring for 2 hours, then add 20g of artificial graphite composite material (spherical graphite 7g, flake graphite 6g, fibrous graphite 7g) and 60g of double-distilled water, and continued high-speed stirring for 2 hours, and dried at 200°C for 1 hour, and pulverized to obtain a mixed material;
[0036] 2) Add 2g of asphalt and 100ml of anhydrous carbon tetrachloride solution successively in a 250ml volumetric flask, and stir until the asphalt is completely dissolved to obtain a pitch-based carbon tetrachloride solution; 10g of anhydrous aluminum trichloride is placed in the reaction kettle, Then add 30ml of anhydrous carbon tetrachloride solution until the anhydrous aluminum trichloride dissolves, then add the asphalt-based carbon tetrachloride solution, and stir at a temperature of 50°C, and Friedel-Crafts reaction for 24 hours to obta...
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