Lithium-sulfur battery cathode material and preparation method thereof
A technology for lithium-sulfur batteries and cathode active materials, applied in battery electrodes, lithium batteries, non-aqueous electrolyte batteries, etc., can solve the problems of volume expansion, poor conductivity, and low utilization rate of sulfur in cathode active materials, and achieve convenient operation and equipment Simple, the effect of improving electrochemical performance
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[0014] Example 1
[0015] 0.275g copper phthalocyanine and 0.225g elemental sulfur are mixed uniformly in a mortar to obtain a composite. Put 1.5g zirconia ball and compound into a 5ml grinding tube, remove the air in the tube, and put it into a micro-vibration ball mill for ball milling. The speed is 3000r / min, and the ball milling time is 1h.
Example Embodiment
[0016] Example 2
[0017] 0.25g copper phthalocyanine and 0.25g elemental sulfur are mixed uniformly in a mortar to obtain a composite. 0.5g zirconia grinding balls and the compound are put into a 5ml grinding jar, the air in the jar is removed, and they are put into a micro-vibration ball mill for ball milling. The speed is 2000r / min, and the ball milling time is 2h.
Example Embodiment
[0018] Example 3
[0019] 0.225g copper phthalocyanine and 0.275g elemental sulfur are mixed uniformly in a mortar to obtain a composite. Put 1g zirconia ball and compound into a 5ml grinding jar, remove the air in the jar, and put it into a micro-vibration ball mill for ball milling. The speed is 3000r / min, and the ball milling time is 0.5h.
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