Cathode conductive brush and horizontal electroplating device

Abstract

The cathode conductive brush and the horizontal electroplating device comprise the conductive fixing part and the conductive contact part, the conductive contact part comprises the conductive wires and the insulating wires which are woven in a mixed mode, the second end of the conductive contact part is an arc tip, and enough yield strength can be provided through the conductive wires and the insulating wires which are woven in a mixed mode. Therefore, the cathode conductive brush can be in good contact with the battery piece, the electroplating uniformity is improved, the installation is convenient, the time efficiency can be saved, and the damage to the battery piece can be effectively avoided by the arc tip. Furthermore, when electroplating is carried out through the contact area, the probability that the cathode conductive brush is electroplated by electroplating liquid can be further reduced, the service life is prolonged, and the cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of electroplating relates to a cathode conductive brush and horizontal electroplating device. BACKGROUND

[0002] With the continuous expansion of the photovoltaic industry scale and the rapid development of market, the market for the manufacturing price, process complexity and quality of photovoltaic cells are put forward higher and higher requirements. Solar cell piece can produce current under the light after etching, diffusion and other processes. In order to lead out the generated current, it is necessary to make electrodes on the surface of the cell piece. The existing manufacturing electrode method mainly includes screen printing and electroplating process. Among them, screen printing is to print silver and other metals on the surface of the cell piece by pressing, and finally form conductive grid lines through sintering, that is, constitute the electrode of solar cell. This method has high cost, and the line width of the prepared electrode is difficult to realize fine, and the light receiving rate of the cell is difficult to improve. Therefore, the electroplating method with low cost, fine line width and high cell light receiving rate is widely used.

[0003] The photovoltaic electroplating process mainly includes two ways, one is hanging plating (fixture type), and the other is horizontal plating (i.e. non fixture type). Among them, hanging plating often causes plating risk on the fixture, and the fixture needs to be replaced frequently, and the plating layer on the fixture is treated by stripping, so as to cause complicated process, increase equipment investment and labor cost. And the existing horizontal plating often uses conductive wire or conductive glue for electroplating. When conductive wire is used for electroplating, there are problems such as poor consistency of plating layer, more scratches on the surface of the cell piece, conductive wire is not easy to fix, and installation time consuming. When conductive glue is used for electroplating, there are problems such as poor consistency of plating layer, more materials, higher requirement for equipment automation, installation time consuming and other problems.

[0004] Therefore, it is necessary to provide a cathode conductive brush and horizontal electroplating device. UTILITY MODEL CONTENT

[0005] In view of the above-mentioned defects of the prior art, the purpose of the utility model is to provide a cathode conductive brush and horizontal electroplating device, which is used to solve the production and product quality problems existing in the prior art when horizontal plating is carried out.

[0006] In order to achieve the above-mentioned purpose and other related purposes, the utility model provides a cathode conductive brush, which comprises:

[0007] Conductive fixing part;

[0008] The conductive contact part comprises conductive filaments and insulating filaments, and the conductive filaments and the insulating filaments are mixedly woven, the conductive contact part comprises oppositely arranged first and second ends, the first end of the conductive contact part is fixed on the conductive fixed part and is electrically connected with the conductive fixed part, and the second end of the conductive contact part is a circular arc-shaped tip, and the conductive contact part and the conductive fixed part have an included angle therebetween.

[0009] Optionally, the yield strength of the conductive contact part is 400-1000 MPa; and the conductivity of the conductive contact part is 10*10 6 S / m or more.

[0010] Optionally, the distance between the contact area of the conductive contact part and the second end of the conductive contact part is 1-5 mm.

[0011] Optionally, the conductive filaments comprise one or a combination of metal filaments and carbon-based fibers; and the insulating filaments comprise one or a combination of PP filaments, PVC filaments and PE filaments.

[0012] Optionally, the conductive fixed part comprises a metal clamp, a metal sheet or a metal roller; and the fixing mode of the conductive fixed part and the conductive contact part comprises one or a combination of threaded connection, buckle connection, mechanical clamping connection, welding and mortise and tenon connection.

[0013] Optionally, the conductive fixed part is further provided with an insulating capillary tube, and the first end of the conductive contact part penetrates through the insulating capillary tube and is electrically connected with the conductive fixed part.

[0014] Optionally, the second end of the conductive contact part has a colloid coating layer, the circular arc-shaped tip is formed by the colloid coating layer, and / or the circular arc-shaped tip is formed by fusion treatment on the second end of the conductive contact part.

[0015] Optionally, the included angle between the conductive contact part and the conductive fixed part ranges from 30° to 150°.

[0016] Optionally, the same conductive contact part has one first end of the conductive contact part and N (>1) second ends of the conductive contact part; the conductive fixed part is provided with M (>1) conductive contact parts, and the distribution morphology formed by the M conductive contact parts comprises one or a combination of a straight line type and a curved line type.

[0017] The utility model also provides a horizontal electroplating device, the horizontal electroplating device includes any above-mentioned cathode conductive brush.

[0018] As described above, the cathode conductive brush and horizontal electroplating device of the utility model, including conductive fixed part and conductive contact part, and the conductive contact part includes the conductive silk and the insulating silk of mixed weaving, the conductive contact part includes the first end and the second end of opposite setting, and the first end of the conductive contact part is fixed on the conductive fixed part and is electrically connected with the conductive fixed part, the second end of the conductive contact part is the arcuate pointed end, and the conductive contact part and the conductive fixed part have the included angle. Among them, the conductive silk and the insulating silk of mixed weaving can provide sufficient yield strength, so that the cathode conductive brush and the battery piece can be in good contact, improve the electroplating uniformity, facilitate installation, can save time limit, and the arcuate pointed end can effectively avoid the damage to the battery piece. Further, when the cathode conductive brush is electroplated through the contact area adjacent to the second end of the conductive contact part, the probability of the cathode conductive brush being electroplated by the electroplating solution can be further reduced, the service life is prolonged, and the cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The structure schematic diagram of the cathode conductive brush in the embodiment one of the utility model is shown.

[0020] Figure 2a The structure schematic diagram of the conductive contact part with arcuate pointed end obtained after melting treatment in the embodiment one of the utility model is shown.

[0021] Figure 2b The side view structure schematic diagram of the cathode conductive brush in the embodiment one of the utility model is shown. Figure 2a

[0022] Figure 3 The structure schematic diagram of the conductive contact part with arcuate pointed end of the embodiment one of the utility model is shown.

[0023] Figure 4 The structure schematic diagram of the conductive contact part with insulating capillary tube in the embodiment one of the utility model is shown.

[0024] Figure 5 The structure schematic diagram of the conductive contact part with the second end of the two conductive contact parts in the embodiment one of the utility model is shown.

[0025] Figure 6 The structure schematic diagram of the cathode conductive brush with eight conductive contact parts in the embodiment one of the utility model is shown.

[0026] Figure 7 The effect picture after only using the conductive silk as the conductive contact part for electroplating in the embodiment one of the utility model is shown.

[0027] Figure 8 The effect picture after using the conductive contact part of mixed weaving for electroplating in the embodiment one of the utility model is shown.

[0028] ​Figure 9 The diagram shown is a schematic diagram of the horizontal electroplating device in Embodiment 2 of this utility model.

[0029] Figure 10 The diagram shown is a schematic representation of the structure of a horizontal electroplating device with an inner isolation tank and an outer isolation tank in Embodiment 2 of this utility model.

[0030] Explanation of reference numerals in the attached figures

[0031] 100 Cathode Conductive Brush

[0032] 110 Conductive fixing part

[0033] 120 Conductive Contact

[0034] 121 Conductive wire

[0035] 122 Insulation Wire

[0036] The first end of the 120a conductive contact

[0037] The second end of the 120b conductive contact

[0038] 120c contact area of ​​conductive contact

[0039] 130 Colloidal Coating Layer

[0040] 140 Insulating Capillary

[0041] 200 electroplating tank

[0042] 300 anode

[0043] 400 isolation tank

[0044] 410 Isolation Tank

[0045] 420 Isolation Tank

[0046] 500 Adsorption Transfer Rollers

[0047] 510 Adsorption Layer

[0048] 600 power supply

[0049] 700 solar cells

[0050] 800 scratches Detailed Implementation

[0051] The following detailed description of the application is provided as an example to enable those skilled in the art to realize the benefits of the present application. The present application, however, is not intended to be limited to the particular embodiments described herein. Indeed, the present application is intended to cover all alternatives, modifications, and equivalents falling within the spirit and scope of the present application as defined by the appended claims. Various modifications to the preferred embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein can be applied to other embodiments without the use of the inventive faculty. Thus, the present application is not intended to be limited to the particular embodiments described herein, but is to be accorded the widest scope consistent with the claims.

[0052] In the detailed description of the present application, the sectional view of the structure is partially enlarged without the general proportion for the convenience of description, and the schematic view is only an example, which should not limit the scope of protection of the present application. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in the actual manufacture.

[0053] For the convenience of description, spatial relationship words such as "under", "below", "lower", "under", "above", "upper" and the like can be used to describe the relationship between one element or feature and other elements or features shown in the drawings. It will be understood that these spatial relationship words are intended to include other directions of the device in use or operation in addition to the directions depicted in the drawings, which can include embodiments in which the first and second features are formed in direct contact, and can also include embodiments in which additional features are formed between the first and second features, so that the first and second features can not be in direct contact, and in addition, when a layer is referred to as "between" two layers, it can be the only layer between the two layers, or one or more intervening layers can also be present.

[0054] It should be noted that the diagrams provided in the present embodiment only illustrate the basic concept of the present application in a schematic manner, and only show the components related to the present application in the diagrams, not the number, shape and size of the components during actual implementation. The shape, number and proportion of each component during actual implementation can be arbitrarily changed, and the component layout pattern can also be more complex.

[0055] Embodiment one

[0056] Referring to Figure 1 , Figure 2a and Figure 2b , the present embodiment provides a cathode conductive brush 100, which comprises:

[0057] a conductive fixed part 110;

[0058] The conductive contact part 120 includes conductive wires 121 and insulating wires 122, and the conductive wires 121 and the insulating wires 122 are mixedly woven, the conductive contact part 120 includes oppositely arranged first end 120a and second end 120b, the first end 120a of the conductive contact part 120 is fixed on the conductive fixed part 110 and is electrically connected with the conductive fixed part 110, and the second end 120b of the conductive contact part 120 is a circular arc tip, and the conductive contact part 120 and the conductive fixed part 110 have an included angle θ.

[0059] The cathode conductive brush 100 of the embodiment can provide sufficient yield strength through the mixed weaving of the conductive wires 121 and the insulating wires 122, so that the cathode conductive brush 100 can be in good contact with the battery piece, improve the plating uniformity, facilitate installation, save time, and the circular arc tip can effectively avoid damage to the battery piece.

[0060] Specifically, referring to Figure 2a and Figure 2b , the mixed weaving of the conductive wires 121 and the insulating wires 122 can include braided weaving, fishing net weaving, rope weaving, etc., and the mixed weaving of the conductive wires 121 and the insulating wires 122 is not limited here. Among them, the conductive wires 121 mainly play a conductive role, and also have a certain supporting role, the insulating wires 122 mainly play a supporting role, and through the mixed weaving of the insulating wires 122 and the conductive wires 121, the conductive contact part 120 has good yield strength.

[0061] Among them, the specification of the conductive wires 121 can be 0.01mm-5mm, such as 0.01mm, 0.05mm, 0.1mm, 1mm, 2.5mm, 5mm, etc., the specification of the insulating wires 122 can be 0.01mm-5mm, such as 0.01mm, 0.05mm, 0.1mm, 1mm, 2.5mm, 5mm, etc., and the specification of the conductive wires 121 and the insulating wires 122 can be adjusted according to the current size.

[0062] As an example, the yield strength of the conductive contact part 120 can be 400-1000MPa, such as 400MPa, 450MPa, 480MPa, 500MPa, 520MPa, 550Mpa, 1000MPa, etc., to provide sufficient yield strength and facilitate application.

[0063] Specifically, when the yield strength of the conductive contact part 120 is 400-1000 MPa, on the one hand, the cathode conductive brush 100 can be in good contact with the battery piece, the plating uniformity is improved, the installation is facilitated, the aging is saved, and on the other hand, when the conductive contact part 120 is in contact with the battery piece, the conductive contact part 120 with the yield strength can swing when the battery piece leaves the conductive contact part 120, which can effectively remove the plating solution remaining on the surface of the conductive contact part 120 due to contact with the battery piece, thereby reducing the probability of the cathode conductive brush 100 being plated by the plating solution, prolonging the service life, reducing the cost, reducing the replacement frequency, saving the aging time, and improving the production capacity.

[0064] For example, the conductivity of the conductive contact part 120 can be 10×10 6 S / m or more, such as 10×10 6 S / m, 12×10 6 S / m, 14×10 6 S / m or the like to meet the electrical requirements.

[0065] For example, the conductive wire 121 can include one or a combination of metal wires and carbon-based fibers; the insulating wire 122 can include one or a combination of PP wires, PVC wires, and PE wires.

[0066] Specifically, the material of the conductive wire 121 can be one or several of, for example, brass, pure copper, nickel, titanium, silver, gold, etc. Of course, according to the needs, the conductive wire 121 can also include, for example, carbon-based fibers, or a combination of carbon-based fibers and metal wires, etc. The insulating wire 122 can include one or a combination of, for example, PP wires, PVC wires, and PE wires.

[0067] For example, the conductive fixing part 110 can include, for example, metal clips, metal sheets, or metal rollers, etc. The specific type of the conductive fixing part 110 can be selected as needed. The conductive contact part 120 can be fixed by the conductive fixing part 110, and the conductive fixing part 110 has conductivity, so as to be electrically connected with the power supply to realize power supply to the conductive contact part 120.

[0068] The fixing mode of the conductive fixing part 110 and the conductive contact part 120 can include, for example, one or a combination of threaded connection, buckle connection, mechanical clamping connection, welding, and mortise and tenon connection, and the fixing mode of the conductive fixing part 110 and the conductive contact part 120 is not limited here. Since the conductive contact part 120 has the insulating wire 122 for supporting, it has a certain yield strength, which facilitates installation.

[0069] As an example, the conductive fixed part 110 can also be provided with an insulating capillary tube 140, and the first end 120a of the conductive contact part 120 penetrates the insulating capillary tube 140 and is electrically connected with the conductive fixed part 110.

[0070] Specifically, referring to Figure 4 , when the insulating capillary tube 140 is provided, the supporting effect of the conductive contact part 120 can be further improved, and the fixation of the conductive contact part 120 and the conductive fixed part 110 is facilitated.

[0071] As an example, referring to Figure 3 , the second end 120b of the conductive contact part 120 can have a colloidal coating layer 130, and the circular arc tip is formed by the colloidal coating layer 130, and / or the circular arc tip is formed by melting treatment on the second end 120b of the conductive contact part 120.

[0072] Specifically, referring to Figure 7 , as a comparison, the embodiment provides a structure diagram and an effect diagram after electroplating using only a conductive wire as a conductive contact part. As can be seen from Figure 7 , when only a conductive wire is used as a conductive contact part, because of the direct contact of the sharp conductive wire with the battery sheet, more scratches 800 will be left on the metal surface of the battery sheet; during the installation of the conductive wire, there will also be a problem of difficult installation, which causes time-consuming installation; when electroplating, the contact stability of the conductive wire with the battery sheet is poor, so that the consistency of the thin film electroplated on the battery sheet is also poor.

[0073] In the embodiment, referring to Figure 8 , an effect diagram of a battery sheet after electroplating of the conductive contact part 120 with the circular arc tip by mixed weaving is shown. Because the second end 120b of the conductive contact part 120 is a circular arc tip, when contacting the battery sheet for electroplating, the second end 120b of the conductive contact part 120 can effectively reduce scratches 800 on the surface of the battery sheet, thereby effectively reducing damage to the battery sheet.

[0074] The circular arc tip can be realized by coating a colloidal coating layer 130 on the second end 120b of the conductive contact part 120, such as a conductive colloidal coating layer 130. Of course, according to the need, when the conductive contact part 120 is mixed, the conductive wire 121 can also protrude from the insulating wire 122, such as protruding by 1-2 mm, and then the second end 120b of the conductive contact part 120 is circularly arc-shaped by melting treatment, such as Figure 2a and Figure 2b as shown.

[0075] As an example, the included angle θ between the conductive contact part 120 and the conductive fixed part 110 can range from 30° to 150°.

[0076] Specifically, referring to Figure 1 The included angle θ between the conductive contact part 120 and the conductive fixed part 110 is 90°, but is not limited thereto. According to requirements, the included angle θ between the conductive contact part 120 and the conductive fixed part 110 can also be 30°, 60°, 135°, 150°, etc., so as to expand the application range of the cathode conductive brush 100.

[0077] As an example, the same conductive contact part 120 can have one first end 120a of the conductive contact part 120 and N>1 second ends 120b of the conductive contact part 120.

[0078] Specifically, referring to Figure 5 The same conductive contact part 120 has one first end 120a of the conductive contact part 120 and two second ends 120b of the conductive contact part 120, i.e., N is 2, so as to provide the conductive contact part 120 in the shape of Y. By arranging the second ends 120b of the plurality of conductive contact parts 120, the contact stability with the battery piece is improved, and the plating uniformity is further improved. However, the value of N is not limited thereto. For example, according to requirements, N can also be 3, 4, 5, etc.

[0079] As an example, M>1 conductive contact parts 120 can be arranged on the conductive fixed part 110, and the distribution pattern formed by the M conductive contact parts 120 can include one or a combination of, for example, a straight line type and a curved line type.

[0080] Specifically, referring to Figure 6 Eight conductive contact parts 120 are arranged on the conductive fixed part 110, so as to increase the contact between the conductive contact part 120 and the battery piece, improve the contact stability with the battery piece, and further improve the plating uniformity. However, the value of M is not limited thereto. For example, according to requirements, M can also be 1, 3, 4, 5, 10, etc.

[0081] Referring to Figure 6 The distribution pattern formed by the eight conductive contact parts 120 is a straight line type, so as to be arranged corresponding to the groove on the battery piece, so as to realize good contact with the metal seed layer located in the groove of the battery piece for plating. Of course, according to requirements, the distribution pattern formed by the plurality of conductive contact parts 120 can also include one of, for example, a curved line type, or a pattern composed of a combination of a straight line type and a curved line type, which is not limited herein.

[0082] In another embodiment, as Figure 2a andFigure 2b The contact area 120c of the conductive contact part 120 can also be 1-5 mm away from the second end 120b of the conductive contact part 120, so as to improve the contact stability of the conductive contact part 120 and the battery piece.

[0083] Specifically, when the contact area 120c is 1-5 mm away from the second end 120b of the conductive contact part 120, such as 1 mm, 2 mm, 5 mm, etc., when electroplating is performed, based on the yield strength of the conductive contact part 120, the conductive contact part 120 can effectively swing when the battery piece leaves the conductive contact part 120, and the electroplating solution remaining on the surface of the conductive contact part 120 due to contact with the battery piece can be effectively removed, so as to further reduce the probability of electroplating of the cathode conductive brush 100 by the electroplating solution, prolong the service life, reduce the cost, reduce the replacement frequency, save the time, and improve the production capacity.

[0084] As an example, the cathode conductive brush 100 can be applied to, for example, tunnel oxide passivation layer battery (TOPCon), back contact battery (BC), and heterojunction battery (HJT).

[0085] Embodiment two

[0086] The utility model also provides a horizontal electroplating device, the horizontal electroplating device includes the cathode conductive brush 100 of one of above-mentioned embodiment, the following is the structure of a specific horizontal electroplating device Explanation, but the horizontal electroplating device is not limited to this.

[0087] Referring to Figure 9 The horizontal electroplating device includes

[0088] An electroplating tank 200;

[0089] An anode 300 is arranged in the electroplating tank 200;

[0090] A separation tank 400 is arranged in the electroplating tank 200, and the electroplating solution in the electroplating tank 200 is circulated through the separation tank 400;

[0091] An adsorption transmission roller 500 is arranged in the separation tank 400, and the surface of the adsorption transmission roller 500 is coated with an adsorption layer 510, which adsorbs the residual electroplating solution on the surface of the battery piece 700 on the adsorption transmission roller 500;

[0092] A cathode conductive brush 100 is arranged in the separation tank 400, and the cathode conductive brush 100 is arranged on the side of the adsorption transmission roller 500.

[0093] Specifically, the structure of the cathode conductive brush 100 can refer to Embodiment One, which is not described here. The electroplating tank 200 is used to contain the electroplating solution. The type of electroplating solution can be selected according to the type of the plating layer to be formed, which is not limited here. The material of the anode 300 can be selected, such as titanium, copper, nickel, etc., which is not limited here. The setting of the isolation tank 400 can provide a reflux tank for the electroplating solution, so as to avoid the contact between the cathode conductive brush 100 and the electroplating solution in the electroplating tank 200. The setting of the adsorption transmission roller 500 can be used to transmit the battery piece 700, and on the other hand, the residual electroplating solution on the surface of the battery piece 700 on the adsorption transmission roller 500 can be adsorbed by the adsorption layer 510 on the surface of the adsorption transmission roller 500, so as to further purify the battery piece 700, reduce the probability of electroplating of the cathode conductive brush 100 on the unwinding side of the adsorption transmission roller 500, thereby prolonging the service life of the cathode conductive brush 100, reducing the replacement frequency, saving time and cost, and improving productivity.

[0094] Among them, Figure 9 The arrow direction in the above formula shows the transmission direction of the battery piece 700, and the setting of the cathode conductive brush 100 on the rear side of the adsorption transmission roller 500 shows that the cathode conductive brush 100 is located on the unwinding side of the adsorption transmission roller 500.

[0095] As an example, the adsorption layer 510 can include one or a stack of a sponge layer or a hollow fiber ultrafiltration membrane, and the specific type can be selected as needed.

[0096] As an example, the isolation tank 400 can include an isolation inner tank 410 and an isolation outer tank 420 located on the periphery of the isolation inner tank 410, and the electroplating solution in the electroplating tank 200 is refluxed through the isolation outer tank 420, and the adsorption transmission roller 500 and the cathode conductive brush 100 are both located in the isolation inner tank 410.

[0097] Specifically, refer to Figure 10 Through the setting of the isolation inner tank 410 and the isolation outer tank 420, the probability of electroplating of the cathode conductive brush 100 can be further reduced, so as to further prolong the service life of the cathode conductive brush 100, reduce the replacement frequency, save time and cost, and improve productivity.

[0098] In summary, the cathode conductive brush and the horizontal electroplating device, the conductive fixed part and the conductive contact part, and the conductive contact part includes the conductive wire and the insulating wire, the conductive contact part includes the first end and the second end, and the first end of the conductive contact part is fixed on the conductive fixed part and is electrically connected with the conductive fixed part, the second end of the conductive contact part is the arc-shaped tip, and the conductive contact part and the conductive fixed part have the included angle. Wherein, the conductive wire and the insulating wire can provide sufficient yield strength, so that the cathode conductive brush and the battery piece can be in good contact, the electroplating uniformity is improved, the installation is convenient, the time effect can be saved, and the arc-shaped tip can effectively avoid the damage to the battery piece. Further, when the cathode conductive brush is electroplated through the contact area adjacent to the second end of the conductive contact part, the probability of the cathode conductive brush being electroplated by the electroplating solution can be further reduced, the service life is prolonged, and the cost is reduced.

[0099] The above embodiment only illustrates the principle and effect of the utility model, and is not used to limit the utility model. Any person skilled in the art can modify or change the above embodiment without departing from the spirit and scope of the utility model. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the utility model should be covered by the claims of the utility model.

Claims

1. A cathode conductive brush, characterized in that, The cathode conductive brush includes: Conductive fixing part; A conductive contact portion includes a conductive wire and an insulating wire, wherein the conductive wire and the insulating wire are interwoven. The conductive contact portion includes a first end and a second end disposed opposite to each other. The first end of the conductive contact portion is fixed to the conductive fixing portion and electrically connected to the conductive fixing portion. The second end of the conductive contact portion is an arc-shaped tip. There is an included angle between the conductive contact portion and the conductive fixing portion.

2. The cathode conductive brush according to claim 1, characterized in that: The yield strength of the conductive contact is 400–1000 MPa; the conductivity of the conductive contact is 10 × 10⁻⁶ MPa. 6 S / m or higher.

3. The cathode conductive brush according to claim 1, characterized in that: The distance between the contact area of ​​the conductive contact and the second end of the conductive contact is 1 to 5 mm.

4. The cathode conductive brush according to claim 1, characterized in that: The conductive wire includes one or a combination of metal wire and carbon-based fiber; the insulating wire includes one or a combination of PP wire, PVC wire and PE wire.

5. The cathode conductive brush according to claim 1, characterized in that: The conductive fixing part includes a metal clip, a metal sheet, or a metal roller; the fixing method between the conductive fixing part and the conductive contact part includes one or a combination of threaded connection, snap-fit ​​connection, mechanical clamping connection, welding, and tenon joint connection.

6. The cathode conductive brush according to claim 1, characterized in that: An insulating capillary tube is also provided on the conductive fixing part, and the first end of the conductive contact part passes through the insulating capillary tube and is electrically connected to the conductive fixing part.

7. The cathode conductive brush according to claim 1, characterized in that: The second end of the conductive contact has a colloidal coating layer, through which the arcuate tip is formed, and / or the arcuate tip is formed by melting the second end of the conductive contact.

8. The cathode conductive brush according to claim 1, characterized in that: The included angle between the conductive contact and the conductive fixing part is in the range of 30° to 150°.

9. The cathode conductive brush according to claim 1, characterized in that: The same conductive contact portion has a first end of one conductive contact portion and a second end of N>1 conductive contact portions; the conductive fixing portion is provided with M>1 conductive contact portions, and the distribution shape of the M conductive contact portions includes one or a combination of linear and curved shapes.

10. A horizontal electroplating apparatus, characterized in that: The horizontal electroplating apparatus includes the cathode conductive brush described in any one of claims 1 to 9.

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