Rectangular carbon-based electrothermal film with high power density and preparation method thereof
A technology of power density and electric heating film, which is applied in the direction of electric heating devices, ohmic resistance heating, and ohmic resistance heating parts, etc., can solve the problems of low power density, changing the aspect ratio of electric heating film, and high cost, so as to improve power density and reduce The effect of small surface resistance and simple operation
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[0063] image 3 It is a schematic flow chart of the preparation method of the rectangular carbon-based electrothermal film with high power density provided by the embodiment of the present application, refer to image 3 , the preparation method provided by the embodiment of the present application comprises the following steps:
[0064] Step S101, a plurality of positive single electrodes 1 and a plurality of negative single electrodes 2 are arranged in parallel at equal intervals along the length direction of the electrothermal film 3 on the front of the electrothermal film 3, and then the positive single electrodes 1 and the negative single electrodes 2 are respectively pressed Closed on the electrothermal film 3; wherein, the positive single electrode 1 uses a rectangular copper strip with a width of 2 to 4 mm, and the negative single electrode 2 uses a rectangular copper strip with a width of 2 to 4 mm;
[0065] Step S102, mask the positive single electrode 1 and the nega...
Embodiment 1
[0069] Embodiment 1 of the present application provides a rectangular carbon-based electrothermal film with high power density, figure 1 It is a schematic front view of the electrothermal film 3 of Example 1 of the present application, figure 1 The middle arrow indicates the direction of current flow. figure 2 It is a schematic diagram of the back side of the electrothermal film 3 of Example 1 of the present application, refer to figure 1 and figure 2 Five positive single electrodes 1 and four negative single electrodes 2 are arranged in parallel at equal intervals on the front of the electrothermal film 3 along its length direction, and the positive single electrodes 1 and negative single electrodes 2 are respectively pressed on the electrothermal film 3 .
[0070] The electric heating film 3 includes the left end 31 of the electric heating film and the right end 32 of the electric heating film. The positive single electrode 1 includes the left end 11 of the positive sing...
Embodiment 2
[0087] Embodiment 2 of the present application provides a rectangular carbon-based electrothermal film with high power density, Figure 4 It is the front schematic view of the electrothermal film 3 of the present application, Figure 5 It is the schematic diagram of the back side of the electrothermal film 3 of the present application, refer to Figure 4 and Figure 5 Three positive single electrodes 1 and two negative single electrodes 2 are arranged in parallel at equal intervals on the front of the electrothermal film 3 along its length direction, and the positive single electrodes 1 and negative single electrodes 2 are respectively pressed on the electrothermal film 3 .
[0088] The electric heating film 3 includes the left end 31 of the electric heating film and the right end 32 of the electric heating film. The positive single electrode 1 includes the left end 11 of the positive single electrode and the right end 12 of the positive single electrode. 12 is folded and pres...
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