Copper-clad aluminum conductor
A copper-clad aluminum and wire technology, which is applied in the direction of metal/alloy conductors, carbon-silicon compound conductors, cable/conductor manufacturing, etc., can solve the problems of unfavorable light weight of wires, etc., and achieve the effect of wide application and high conductivity
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[0020] Example 1
[0021] like figure 1 As shown, a copper-clad aluminum wire includes an aluminum core 1, the outer portion of the aluminum core 1 is provided with a copper cladding layer 2, and the outer portion of the copper cladding layer 2 is provided with a graphene film layer 3.
[0022] The cross section of the aluminum core 1 is circular.
[0023] The material of the copper cladding layer 2 is refined copper with a purity of more than 99.97%.
[0024] A concave-convex edge 4 is provided on the joint surface of the aluminum core 1 and the copper cladding layer 2 .
[0025] The graphene film layer 3 is formed by chemical vapor deposition.
Example Embodiment
[0026] Example 2
[0027] The only difference between this embodiment and Embodiment 1 is that the section of the aluminum core is rectangular.
[0028] The use of the copper-clad aluminum wire of the present invention is not only beneficial to the transmission of high-frequency signals, but also to the transmission of DC or low-frequency high-power electricity. The use of the aluminum core increases the outer diameter of the wire while ensuring light weight, thereby The adhesion area of the graphene film layer is increased, which is more conducive to the transmission of high-power electricity. Even if there is no skin effect, the aluminum core, copper cladding layer and graphene film layer can be regarded as three wires used in parallel to give full play to the high conductivity of graphene.
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