Preparation method of nitrogen-doped carbon nanosphere/molybdenum disulfide sodium ion battery negative electrode plate
A sodium ion battery, molybdenum disulfide technology, applied in battery electrodes, secondary batteries, circuits, etc., can solve the problems of unsatisfactory rate performance, poor conductivity, weak interlayer force, etc., to achieve the benefits of commercial production and Application, improvement of cycle stability, and the effect of simple preparation method
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[0018] The preparation process of the nitrogen-doped carbon nanosphere / molybdenum disulfide sodium ion battery negative electrode sheet involved in this embodiment specifically includes:
[0019] (1) Break open the selected cuttlefish sac and take out the black liquid from it, then add it to ultrapure water for centrifugation and washing for 2-10 times, then put the centrifuged melanin into a dialysis bag for dialysis purification, and then purify The final melanin is freeze-dried to powder to obtain natural melanin powder for subsequent use;
[0020] (2) Disperse the natural melanin powder into ultrapure water with a weight ratio of 25-35 times according to the weight ratio, and prepare a uniformly dispersed natural melanin aqueous solution after ultrasonication for 10 minutes;
[0021] (3) Take sodium molybdate and thioacetamide according to the weight ratio and add them to ultrapure water with a weight ratio of 20-30 times, carry out ultrasonic dispersion for 10-60 minutes,...
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