Super-capacitor pole piece
A super capacitor and pole piece technology, applied in the field of capacitors, can solve the problems of affecting the size of the capacitor, easy agglomeration of graphene oxide, complicated operation, etc., to ensure product quality, avoid position movement, and avoid the effect of movement.
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[0049] 1. Use the method of the present invention to prepare graphene oxide 23 groups. The specific preparation parameters of each group are shown in Table 1, wherein the unit of each material is parts by weight.
[0050] The concrete preparation parameter of each embodiment of table 1
[0051] Example
Graphene oxide
Magnetic Field Spacing
Coating time
Example 1
0.2
2.25
30
0.3
20mm
30min
Example 2
0.2
1.50
30
0.3
20mm
30min
Example 3
0.3
2.25
30
0.3
20mm
30min
Example 4
0.4
2.25
30
0.3
20mm
30min
Example 5
0.4
3.00
30
0.3
20mm
30min
Example 6
0.5
2.25
30
0.3
20mm
30min
Example 7
0.5
3.75
30
0.3
20mm
30min
Example 8
0.3
1.50
30
0.3
20mm
30min
Example 9
0....
Embodiment 2
[0080] Embodiment two: the preparation parameter of preferred silica sol
[0081] 1. According to the above method, prepare 10 groups of silica sol, and the specific parameters are shown in the table. Prepare graphene oxide dispersion liquid, graphene oxide: deionized water=1:25. Preparation of polystyrene emulsion, styrene monomer: deionized water: Tween80: ammonium persulfate aqueous solution = 1:5:0.07:0.25. Silica sol: polystyrene emulsion: graphene oxide dispersion = 22%: 56%: 22%. The pulling speed was 10cm / min, and 10 groups of coatings were prepared.
[0082] Table 5 Specific parameters of silica sol
[0083]
[0084]
[0085] 2. Thermal conductivity test: C-THERM TCI thermal conductivity measuring instrument is used to test the thermal conductivity of the above 10 groups of coatings at a test temperature of 20°C. The results are shown in Table 6.
[0086] Table 6 thermal conductivity display
[0087] group
Thermal conductivity (W / (m*K))
...
Embodiment 3
[0094] Embodiment three: the preparation parameter of preferred polystyrene emulsion
[0095] 1. Prepare 8 groups of polystyrene emulsions according to the above method, and the specific parameters are shown in Table 8. Prepare silica sol 8 groups according to the method of Example 2 group 4; prepare graphene oxide dispersion liquid, graphene oxide: deionized water = 1:25. According to silica sol: polystyrene emulsion: graphene oxide dispersion = 22%: 56%: 22%, the pulling speed was 10 cm / min, and 8 coating groups were prepared.
[0096] Table 8 Specific parameters of each group
[0097]
[0098]
[0099] 2. Test thermal conductivity according to the method of Example 2, and the results are shown in Table 9.
[0100] Table 9 thermal conductivity display
[0101] group
Thermal conductivity (W / (m*K))
group 1
26.0
group 2
26.1
group 3
25.9
group 4
26.0
Group 5
26.1
Group 6
25.8
Group 7 ...
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