Sagger for lithium battery cathode material and preparation method thereof
A technology for positive electrode materials and lithium batteries, which is applied in the field of saggers for lithium battery positive electrode materials and its preparation, can solve the problems of poor corrosion resistance of saggers, easy pollution of battery raw materials, poor thermal shock stability, etc., and achieve saggers Effect of long life, reduction of corrosion channels, and improvement of corrosion resistance
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[0035] Example one:
[0036] The present invention provides a sagger for lithium battery cathode material, which is composed of the following components by weight percentage: 55% of tabular corundum, 18.5% of cordierite, 8.3% of aluminum titanate, 10% of pure calcium aluminate cement, and alpha oxidation Aluminum powder 8%, sodium tripolyphosphate 0.15% and explosion-proof fiber 0.05%.
[0037] The tabular corundum includes large-grained tabular corundum and small-sized tabular corundum. The large-granularity tabular corundum has a particle size range of 0.2-1 mm and a weight percentage of 40%. The small-granularity tabular corundum has a particle size range of ≤0.088mm, the weight percentage is 15%.
[0038] The cordierite includes large-size cordierite and small-size cordierite, the size range of the large-size cordierite is 0-0.2mm, and the weight percentage is 10%, and the size range of the small-size cordierite is ≤0.088mm, The weight percentage is 8.5%.
[0039] The aluminum t...
Example Embodiment
[0059] Embodiment two:
[0060] The present invention provides a sagger for lithium battery cathode material, which is composed of the following components in weight percentages: tabular corundum 40.3%, cordierite 33.1%, aluminum titanate 15%, pure calcium aluminate cement 5.2%, alpha oxide Aluminum powder 6.12%, sodium tripolyphosphate 0.2% and explosion-proof fiber 0.08%.
[0061] The tabular corundum includes large-granularity tabular corundum and small-granularity tabular corundum. The large-granularity tabular corundum has a particle size range of 1-1.5 mm and a weight percentage of 20%. The small-granularity tabular corundum has a particle size range It is ≤0.088mm, and the weight percentage is 20.3%.
[0062] The cordierite includes large-size cordierite and small-size cordierite, the size range of the large-size cordierite is 0.2-0.5mm, and the weight percentage is 20%, and the size range of the small-size cordierite is ≤0.088mm, The weight percentage is 13.1%.
[0063] The ...
Example Embodiment
[0072] Embodiment three:
[0073] The present invention provides a sagger for lithium battery cathode material, which is composed of the following components in weight percentage: 20% tabular corundum, 44.3% cordierite, 9.3% aluminum titanate, 20% pure calcium aluminate cement, and alpha oxidation Aluminum powder 6%, sodium tripolyphosphate 0.3% and explosion-proof fiber 0.1%.
[0074] The slab corundum includes large-granularity slab corundum and small-granularity slab corundum. The large-granularity slab corundum has a particle size range of 1.5-2.3 mm and a weight percentage of 10%. The small-granularity slab corundum has a particle size range of It is ≤0.088mm, and the weight percentage is 10%.
[0075] The cordierite includes large-size cordierite and small-size cordierite. The large-size cordierite has a particle size range of 0.5-0.8 mm and a weight percentage of 30%. The small-size cordierite has a particle size range of ≤0.088 mm, The weight percentage is 14.3%.
[0076] Th...
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