A kind of preparation method of carbon nanotube film
A carbon nanotube film, carbon nanotube technology, applied in nanotechnology, nanotechnology, nanotechnology for materials and surface science, etc., can solve the problem of difficult dispersion of carbon nanotubes, achieve high specific capacity, easy to use performance, the effect of easily separating the substrate
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Embodiment 1
[0025] (1) Graphitization treatment. Fill the carbon nanotubes with a crucible, put them in a graphitization furnace and evacuate, and slowly raise the temperature to 2800 °C. Insulate for 24 hours, cool to room temperature and take out.
[0026] (2) Preparation of carbon nanotube suspension. Graphitized carbon nanotubes, SDBS dispersant, and NMP were weighed and placed in a beaker with a mass ratio of 5:1:84, sealed with a parafilm, then ultrasonicated for 1 hour, and then changed to a closed container for high-speed shearing for 1 hour to produce Dispersions. The dispersion liquid and the PVDF binder were prepared at a mass ratio of 95:1.1, and sheared at high speed in a closed container for 2 hours to prepare a carbon nanotube suspension.
[0027] (3) On the glass plate, wet the surface with alcohol first, spread the clean aluminum foil on it, and stick it tightly. The surrounding area is tightly fixed with narrow-edged transparent adhesive tape to form a closed rectang...
Embodiment 2
[0031] (1) Graphitization treatment. Fill the carbon nanotubes with a crucible, put them in a graphitization furnace and evacuate, and slowly raise the temperature to 2900 °C. Keep warm for 30h, cool to room temperature and take out.
[0032] (2) Preparation of carbon nanotube suspension. Graphitized carbon nanotubes, SDS dispersant, and NMP were weighed and placed in a beaker with a mass ratio of 6:1.1:90, sealed with a parafilm, then ultrasonicated for 1 hour, and then changed to a closed container for high-speed shearing for 1 hour to produce Dispersions. The dispersion liquid and the SBR binder were prepared at a mass ratio of 90:1, and ball milled in a closed container for 4 hours to prepare a carbon nanotube suspension.
[0033] (3) On the glass plate, wet the surface with alcohol first, spread the clean copper foil on it, and stick it tightly. The surrounding area is tightly fixed with narrow-edged transparent adhesive tape to form a closed rectangle. The suspensio...
Embodiment 3
[0037] (1) Graphitization treatment. Fill the carbon nanotubes with a crucible, put them in a graphitization furnace and evacuate, and slowly raise the temperature to 3000 °C. Keep warm for 25h, cool to room temperature and take out.
[0038] (2) Preparation of carbon nanotube suspension. Graphitized carbon nanotubes, SDBS dispersant, and NMP were weighed and placed in a beaker at a mass ratio of 10:1.3:100, sealed with parafilm, then ultrasonicated for 2 hours, and then changed to a closed container for high-speed shearing for 1.5 hours to produce Ingredient dispersion. The dispersion liquid and the CMC binder were prepared at a mass ratio of 93:1.2, and were sheared at high speed for 3 hours in a closed container to prepare a carbon nanotube suspension.
[0039] (3) On the glass plate, wet the surface with alcohol first, spread the clean flexible plastic film on it, and stick it tightly. The surrounding area is tightly fixed with narrow-edged transparent adhesive tape to...
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