Expansion graphite/metallic oxide composite material and its manufacture method
A technology of expanded graphite and composite materials, applied in the direction of oxide conductors, conductive materials, conductive materials, etc., can solve the problems of excessive material resistance, etc., and achieve the effects of simple preparation process, strong industrial application value, and high specific capacity
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[0024] Example 1:
[0025] Combine 0.5g expanded graphite (expansion volume 200mL / g) and 9.5g nano-nickel oxide (average particle size 5nm) in a planetary high-energy ball mill using steel grinding balls and spherical tanks at a speed of 100rpm and a ball-to-powder ratio of 10:1 , Ball milling for 40 hours. The polarized electrodes were taken out and dried at 100°C for electrochemical performance testing. The results are shown in Table 1.
Example Embodiment
[0026] Example 2:
[0027] Combine 5g expanded graphite (expansion volume 600mL / g) and 5g nano-manganese oxide (average particle size 1000nm) in a planetary high-energy ball mill using steel grinding balls and a spherical tank at a speed of 250rpm, a ball-to-powder ratio of 30:1, and a ball mill 5 hours. The polarized electrodes were taken out and dried at 100°C for electrochemical performance testing. The results are shown in Table 1.
Example Embodiment
[0028] Example 3:
[0029] 3g expanded graphite (expansion volume 400mL / g) and 7g nano-manganese oxide (average particle size 50nm) are used in the planetary high-energy ball mill using steel grinding balls and spherical tanks at a speed of 250rpm, ball-to-powder ratio 10:1, ball mill 10 hours. The polarized electrodes were taken out and dried at 100°C for electrochemical performance testing. The results are shown in Table 1.
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