Graphene hollow fiber and continuous preparation method thereof
A graphene and hollow technology, applied in the field of fibers, can solve the problems such as the small adjustment range of the hollow diameter and wall thickness of the graphene hollow fiber, and the limited preparation method of the graphene hollow fiber.
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Embodiment 1
[0023] A kind of continuous preparation method of graphene hollow fiber, concrete steps are:
[0024] A coil of copper wire with a diameter of 20 μm is selected and the length is 1000 meters. The copper wire is pulled out continuously and immersed in a lithium perchlorate solution of graphene oxide, wherein the mass percentage of lithium perchlorate is 0.5%, and the mass percentage of graphene oxide is 0.1%. Then electrochemically plate graphene on the copper wire surface by a three-electrode system, the working electrode of the three-electrode system is a copper wire, the counter electrode is a platinum wire with a length of 1 meter, the reference electrode is a silver / silver chloride electrode, and the platinum The wire and the copper wire are arranged in parallel, and the distance between them is 2mm. The silver / silver chloride electrode was placed in a lithium perchlorate solution of graphene oxide at the midpoint of the length of the platinum wire, close to but not in co...
Embodiment 2
[0026] A kind of continuous preparation method of graphene hollow fiber, concrete steps are:
[0027] A coil of copper wire with a diameter of 20 μm is selected and the length is 1000 meters. The copper wire is pulled out continuously and immersed in a lithium perchlorate solution of graphene oxide, wherein the mass percentage of lithium perchlorate is 0.7%, and the mass percentage of graphene oxide is 1%. Then electrochemically plate graphene on the copper wire surface by a three-electrode system, the working electrode of the three-electrode system is a copper wire, the counter electrode is a platinum wire with a length of 1 meter, the reference electrode is a silver / silver chloride electrode, and the platinum The wire and the copper wire are arranged in parallel, and the distance between them is 2mm. The silver / silver chloride electrode was placed in a lithium perchlorate solution of graphene oxide at the midpoint of the length of the platinum wire, close to but not in cont...
Embodiment 3
[0029] A kind of continuous preparation method of graphene hollow fiber, concrete steps are:
[0030] A coil of copper wire with a diameter of 100 μm is selected and the length is 1000 meters. The copper wire is pulled out continuously and immersed in a sulfuric acid solution of graphene oxide, wherein the mass percentage of sulfuric acid is 0.5%, and the mass percentage of graphene oxide is 1%. Then electrochemically plate graphene on the copper wire surface by a three-electrode system, the working electrode of the three-electrode system is a copper wire, the counter electrode is a platinum wire with a length of 1 meter, the reference electrode is a silver / silver chloride electrode, and the platinum The wire and the copper wire are arranged in parallel, and the distance between them is 2mm. The silver / silver chloride electrode was placed in the sulfuric acid solution of graphene oxide at the midpoint of the length of the platinum wire, close to but not in contact with the co...
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