Composition, graphite powder, anode powder and production method thereof
A composition, graphite technology, applied in the direction of carbon compounds, active material electrodes, chemical instruments and methods, etc., can solve the problems of increasing shortage, limited supply of lithium-ion battery components, etc.
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Embodiment 1
[0090] Sawdust (50 g) from a pine tree (pinus radiata) was hydrothermally treated with deionized water in an autoclave at a temperature of 360 degrees Celsius for 20 min. The samples were allowed to cool and then filtered using a Buchner funnel; the resulting charcoal was dried in a conventional oven. Dry charcoal (17.5 g) with about 80% carbon content was combined with 9.4 g of manganese acetate (tetrahydrate). The resulting mixture was placed in a crucible and transferred to a microwave applicator. Inert conditions were established using nitrogen as described above and the power was gradually increased to 1.9 kW at a rate of approximately 30 W / min. The measurement temperature is between 1700-1900 degrees Celsius. The power was maintained steady for about 5 to 10 minutes, after which time the power to the microwave applicator was turned off to produce the resulting mixture. Once cooled, the samples were sieved below 1 mm to remove some large metal particles from the mixtur...
Embodiment 2
[0098] Sawdust (50 g) from a pine tree (radiata pine) was hydrothermally treated with deionized water in an autoclave at a temperature of 360 degrees Celsius for 20 min. The samples were allowed to cool and then filtered using a Buchner funnel; the resulting charcoal was dried in a conventional oven. Dry charcoal (10.1 g) with about 80% carbon content was combined with 8.2 g of manganese acetate (tetrahydrate). The resulting mixture was placed in a crucible and transferred to a microwave applicator. Inert conditions were established and the power was gradually increased to 1.3 kW at a rate of approximately 30 W / min. The measurement temperature is between 1400-1600 degrees Celsius. The power was maintained steady for about 5 to 10 minutes, after which time the power was turned off. Once cooled, the samples were sieved to less than 1 mm, at which point the mixture composition could be calculated as shown in Table 2. It was then leached with 500 ml of hydrochloric acid overni...
Embodiment 3
[0106]Sawdust (50 g) from a pine tree (radiata pine) was hydrothermally treated with pure water in an autoclave at a temperature of 360 degrees Celsius for 20 min. The samples were allowed to cool and then filtered using a Buchner funnel; the resulting charcoal was dried in a conventional oven. Dry charcoal (26.7 g) with about 80% carbon content was combined with 16.2 g of manganese acetate (tetrahydrate). The resulting mixture was placed in a crucible and transferred to a microwave applicator. Inert conditions were established and the power was gradually increased to 1.3 kW at a rate of approximately 30 W / min. The measurement temperature is between 1400-1600 degrees Celsius. The power was maintained steady for about 30 to 40 minutes, after which time the power was turned off. Once cooled, the samples were sieved to less than 1 mm, at which point the mixture composition could be calculated as shown in Table 3. It was then leached with 500 ml of hydrochloric acid overnight,...
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Abstract
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