TWI707990B - Method and equipment for horizontal and double-sided simultaneous electroplating of solar cells - Google Patents

Abstract

The present invention is a method and equipment for simultaneous horizontal and double-sided electroplating of solar cells. The equipment includes a conveying platform with a film inlet and a film outlet at both ends, and a work station is arranged between the film inlet and the film outlet. Area, the two ends of the working area are respectively provided with cathode conductive rollers, and the upper and lower ends of the working area are provided with at least one upper potion box and a lower potion box, and both sides of the upper and lower potion boxes are provided with a potion inlet and a potion outlet, In addition, anode units are arranged in the upper and lower medicine boxes, and at least two water-blocking rollers are arranged at both ends of the upper and lower medicine boxes; thereby, the solar cell is first brought into the working area to make the solar cell When the cell comes to the anode unit, the upper and lower potion boxes continue to add the potion to the solar cell sheet, and the upper and bottom electroplating starts, and the excess potion is sucked out by the water blocking rollers to ensure the solar cell The dryness of the sheet at the position of the cathode conductive roller.

Description

Method and equipment for horizontal and double-sided simultaneous electroplating of solar cells

The invention belongs to the field of electroplating processing of solar cells, in particular to a method and equipment that can be electroplated at the same time on both horizontal sides of solar cells

Photovoltaics (Photovoltaics, referred to as photovoltaics) refers to equipment that uses the photovoltaic effect of photoelectric semiconductor materials to convert solar energy into direct current electricity. The core is mainly solar cells.

With the expansion and rapid development of the photovoltaic industry, as well as policy adjustments, the market has become more and more stringent on the price of solar equipment, and many related processes must be reduced in complexity in order to use easily available materials.

As far as the existing solar cell manufacturing process is concerned, it uses a printed silver paste process. The so-called silver paste may account for more than 25% of the total cost of producing solar cells. Therefore, the use of inexpensive metals to replace some or all of the silver paste is It has significant significance in reducing the production cost of crystalline silicon solar cells.

Regarding the aforementioned alternatives, the use of metallic copper is a good way to replace expensive silver paste, which can achieve significant cost reduction. However, the copper ions are easily It is diffused into the crystalline silicon, which will reduce the life of the crystalline silicon molecules, that is, reduce the photoelectric conversion efficiency of the crystalline silicon solar cell. Therefore, it is necessary to consider the process of metal copper at low temperature.

In terms of the existing process, the electroplating metal copper process can deposit metal copper on the crystalline silicon solar cell under low temperature conditions to form the electrode of the crystalline silicon solar cell. There are two common methods: low temperature physical or chemical deposition Metal method.

The low-temperature physical metal deposition method uses sputtering and other means. Its disadvantage is that it cannot implement selective metal deposition, mask technology must be used, and expensive equipment needs to be purchased, which increases production costs and deviates from the starting point of reducing costs.

However, the method of chemically depositing metal belongs to the electroplating process. Compared with the technology of physically depositing metal, the electroplating process not only has a simple method, but also has the advantage of being able to deposit metal selectively. Therefore, the production cost of the electroplating process can be controlled very low, which can greatly reduce the cost of producing crystalline silicon solar cells, and also makes the use of electroplating process to deposit metal on crystalline silicon solar cells is currently a very active technology research and development area.

In view of the shortcomings of the conventional process and the advantages of the electroplating process, the inventor of this case started to research and improve, and after long-term practical testing, he was able to finally develop and complete the method and equipment for the horizontal double-sided electroplating of this solar cell.

The purpose of the present invention is to provide a method and equipment for horizontal double-sided simultaneous electroplating of solar cells, which solves the problem that the existing silver paste cannot be effectively replaced, and adopts an electroplating process to deposit metal on the crystalline silicon solar cell, which greatly reduces the solar cell Production costs make solar cells more commonplace, which is beneficial to the use and development of solar cells.

The present invention, which can achieve the foregoing object, includes: a conveying platform with a film inlet and a film outlet at both ends, a working area is provided between the film inlet and the film outlet, and the conveying platform is provided with a surface A plurality of transmission rollers, so that the solar cells carried by the film inlet on each of the transmission rollers pass through the work area to the film outlet, and both ends of the work area are respectively provided with cathode conductive rollers; at least one upper potion box and lower potion box , Relatively arranged at the upper and lower ends of the working area, the upper and lower medicine boxes are provided with medicine inlets on the outside of the conveying platform on the back, and are provided with medicine outlets on the inner side close to the conveying platform, so that the medicine outlets continue to pass through the work The surface of the solar cell sheet in the area is uniformly added with potion, the upper and lower potion boxes are provided with an anode unit, and the anode unit is close to the solar cell sheet to cooperate with the electroplating function of the cathode conductive roller; and at least two water blocking rollers are provided At both ends of the upper and lower liquid medicine boxes, the excess liquid medicine on the solar cell sheet is absorbed.

Wherein, the upper and lower liquid medicine boxes and the water-blocking rollers at both ends of the upper and lower liquid medicine boxes and the water blocking rollers at both ends are continuously arranged in the working area with more than one set, so that the solar cell sheet is moved repeatedly to perform electroplating operations.

Each of the cathode conductive rollers is in the form of an entire wheel shaft, or each of the cathode conductive rollers is formed by arranging at least one small rim on a rotating shaft.

And each of the cathode conductive rollers is made of titanium metal, stainless steel metal, phosphor copper metal, or other conductive materials, and the surface of the cathode conductive roller can be attached with a soft conductive material as a buffer material.

In addition, each of the water-blocking rollers is a whole water-absorbent wheel axle, or a water-absorbent wheel rim is covered on a rotating shaft, and the rotating shaft is made of metal or non-metallic material with acid and alkali resistance.

Moreover, each of the water blocking rollers is a porous structure made of absorbent sponge material, or is resistant to Acid-base PP, PE, PVC, PU, PO and other absorbent materials.

Furthermore, the anode unit is made of titanium, titanium alloy, and corrosion-resistant coating or other insoluble anode materials.

With the aforementioned equipment, the method of the present invention includes: inserting the solar cell sheet to be electroplated onto the conveying platform from the sheet inlet; driving all the driving rollers to bring the solar cell sheet into the work area, and then pass After the first water blocking roller, the solar cell is brought to the anode unit; the upper and lower potion boxes continue to add the potion to the solar cell, and the upper and bottom electroplating starts, and the excess potion is replaced by Each of the water-blocking rollers sucks out to ensure the dryness of the solar cell; the solar cell continues to move in the direction of the outlet, and is separated from the anode unit to end electroplating; and the electroplated solar cell is taken out from the outlet.

Wherein, the potion of the upper potion box flows uniformly from top to bottom to the upper surface of the solar cell sheet, and the potion of the lower potion box gushes from bottom to top and contacts the lower surface of the solar cell sheet.

Moreover, the electroplating operation of the solar cell is carried out in a light-shielded environment.

100‧‧‧Conveying platform

110‧‧‧Inlet

120‧‧‧ Film exit

130‧‧‧Working area

140‧‧‧Transmission mechanism

150‧‧‧Drive roller

210、220‧‧‧Potion box

211, 221‧‧‧Potion entrance

212, 222‧‧‧ potion outlet

213、223‧‧‧Anode unit

310、320‧‧‧Potion tube

311, 321‧‧‧Potion inlet

312, 322‧‧‧ Potion Outflow Unit

313、323‧‧‧Anode unit

400‧‧‧Water blocking roller

410‧‧‧Suction line

420‧‧‧shaft

430‧‧‧Rim

500‧‧‧Cathode conductive roller

510‧‧‧Shaft

520‧‧‧Small wheel

600‧‧‧Solar Cell

710‧‧‧Potion Canister

711‧‧‧Potion entrance

712‧‧‧Potion outlet

720‧‧‧Potion Tank

721‧‧‧Potion entrance

800‧‧‧Anode roller

810‧‧‧Water soaking unit

Figure 1 is a perspective view of the structure of the first embodiment of the present invention; Figure 2 is a top view of the structure of the first embodiment; Fig. 3 is an end view of the structure of the first embodiment; Fig. 4 is a flow chart of the steps of the first embodiment; the 5 is a structural modification example of the cathode conductive roller of the present invention; the 6 is the water blocking roller of the present invention Figure 7 is a perspective view of the structure of the second embodiment of the present invention; Figure 8 is a top view of the structure of the second embodiment; Figure 9 is a flow chart of the steps of the second embodiment; Figure 10 is the present invention FIG. 11 is a top view of the structure of the third embodiment; FIG. 12 is an end view of the structure of the third embodiment; and FIG. 13 is a flow chart of the steps of the third embodiment.

In the following, the concept, specific structure and technical effects of the present invention will be further described in conjunction with the accompanying drawings to fully understand the purpose, features and effects of the present invention.

Please refer to FIGS. 1 to 3, which show a first embodiment of a horizontal double-sided simultaneous electroplating of solar cells provided by the present invention, which includes: a conveying platform 100 with a film inlet 110 at both ends A working area 130 is arranged between the film inlet 110 and the film outlet 120. A plurality of driving rollers 150 are arranged on the surface of the conveying platform 100, and each driving roller 150 is driven by a transmission mechanism 140 on one side. , So that a solar cell 600 to be electroplated carried by the film inlet 110 on each of the driving rollers 150 passes through the work area 130 to the film outlet 120, and both ends of the work area are respectively provided with Cathode conductive roller 500; at least one upper potion box 210 and a bottom potion box 220 are oppositely arranged at the upper and lower ends of the working area 130. The upper and lower potion boxes 210, 220 are provided with potion inlets 211, 220 on the outside of the conveying platform 100. 221, and close to the inner side of the conveying platform 100 are provided with potion outlets 212, 222, so that the potion outlets 212, 222 continue to uniformly add potion to the surface of the solar cell 600 passing through the working area 130, the upper and lower potion boxes Anode units 213 and 223 are arranged in both 210 and 220, the anode units 213 and 223 are close to the solar cell 600 to cooperate with the electroplating function of the cathode conductive roller 500; and at least two water blocking rollers 400 are arranged on the upper and lower The two ends of the medicine box 210 and 220 are used to absorb the excess medicine on the solar cell 600, and then take it away through the suction pipe (vacuum suction) 410 on one side.

Referring to Figure 4, with the aforementioned equipment, the implementation method of the present invention includes: 41. Insert the solar cell 600 to be electroplated from the film inlet 110 onto the conveying platform 100; 42. Drive all the driving rollers 150 bring the solar cell 600 into the work area 130, and after passing the first water blocking roller 400, make the solar cell 600 come to the anode unit 213, 223; 43. The upper and lower liquid medicine boxes 210 and 220 continue to add the syrup to the solar cell 600, and start electroplating on the upper and lower sides, and the excess syrup is sucked out by each of the water blocking rollers 400 to ensure the dryness of the solar cell 600; 44. The solar cell The sheet 600 continues to move in the direction of the sheet outlet 120, and leaves the anode units 213, 223 to end electroplating; 45. Take out the electroplated solar cell sheet 600 from the sheet outlet 120.

In the foregoing method, the potion of the upper potion box 210 enters through the potion inlet 211, and flows out through the potion outlet 212 distributed under the upper potion box 210 near the inner side of the conveying platform 100, and then passes through the insoluble anode unit 213, uniformly flow to the surface of the solar cell 600 from top to bottom; and the potion of the lower potion box 220 also enters from the potion inlet 221, and flows out to the potion outlet 222 of the potion box 220 In the groove of the working area 130 under the solar cell 600, the syrup gradually rises and flows over the anode unit 223 to contact the solar cell 600, and the electroplating function is conducted through the cathode conductive roller 500 and the anode unit 223 to start operation.

At the same time, the electroplating operation of the solar cell 600 is performed in a shading environment.

The medicinal water flow control design of the upper and lower medicinal water boxes 210 and 220 must be able to meet and ensure that the medicinal water is sprayed from top to bottom and gushes from bottom to top in an uninterrupted manner, so as to ensure that the solar energy passing through the anode units 213, 223 The surface of the cell 600 is in contact with the liquid evenly and uninterruptedly.

In addition, the upper and lower liquid medicine boxes 210, 220 and the water blocking roller 400 at both ends are continuously arranged in the working area 130. Therefore, the solar cell 600 will repeatedly enter and Separate the actions of the anode units 213 and 223 to continue the electroplating work to obtain better quality.

In the foregoing structure, the anode units 213, 223 are made of titanium, titanium alloy or other insoluble anode materials. The spacing design between the anode units 213, 223 and the cathode conductive roller 500 should meet the requirements of the solar cell 600. The upper and lower front and back sides ensure that the electroplating circuit is connected at the same time during the electroplating process.

To further illustrate, each of the cathode conductive rollers 500 is usually the shape of a whole axle. Alternatively, as shown in FIG. 5, each of the cathode conductive rollers 500 is formed by arranging at least one small rim 520 on a rotating shaft 510.

Each of the cathode conductive rollers 500 is made of titanium metal, stainless steel metal, phosphor copper metal, or other conductive materials. A soft conductive material can be attached to the surface of each cathode conductive roller 500 as a buffer material.

To further illustrate, each of the water blocking rollers 400 is a whole water-absorbing axle, or, as shown in FIG. 6, it can also be a rotating shaft 420 covered with a water-absorbing rim 430, and the rotating shaft 420 is acid and alkali resistant Metal or non-metal material.

Each of the water-blocking rollers 400 is made of a porous structure such as a water-absorbing sponge material, or a water-absorbing material such as PP, PE, PVC, PU, and PO resistant to acid and alkali.

Please refer to Figures 7 and 8, which is a second embodiment of the present invention. It includes: a conveying platform 100 with an inlet 110 and an outlet 120 at both ends, the inlet 110 and the outlet A working area 130 is provided between the film openings 120, and a plurality of transmission rollers 150 are arranged on the surface of the conveying platform 100. Each transmission roller 150 is driven by a transmission mechanism 140 on one side, so that each transmission roller 150 is driven by the film inlet 110. Carry a solar cell 600 through the working area 130 to the outlet 120, and the two ends of the working area are respectively provided with cathode conductive rollers 500; at least one upper chemical water pipe 310 and a lower chemical water pipe 320 are arranged oppositely in the working area 130 At the upper and lower ends, the upper and lower liquid medicine pipes 310, 320 are of hollow structure, and liquid medicine inlets 311, 321 are provided on the outside of the conveying platform 100, and medicine water outflow units 312, 322 are arranged on the inner side of the conveying platform 100. Continue to check the surface of the solar cell 600 passing through the working area 130 The potion is added uniformly, and the upper and lower potion pipes 310, 320 are provided with anode units 313, 323 on the surface, and the anode units 313, 323 are integrally formed with the upper and lower potion pipes 310, 320 so that the anode units 313, 323 are close to the solar energy The cell 600 cooperates with the electroplating function of the cathode conductive roller 500; at least two water-blocking rollers 400 are arranged at both ends of the upper and lower chemical water pipes 310 and 320 to absorb the excess chemical water on the solar cell 600, and then pass Take away the suction line on one side.

Referring to FIG. 9, the implementation method of the foregoing second embodiment includes: 91. Insert the solar cell 600 to be electroplated onto the conveying platform 100 from the film inlet 110; 92. Drive all the transmission rollers 150 Bring the solar cell 600 into the working area 130, and after passing the first water blocking roller 400, make the solar cell 600 come to the anode units 313, 323; 93. The upper and lower chemical water pipes 310, 320 continues to add the syrup to the solar cell sheet 600 by the syrup outflow units 312 and 322, and the rotation of the upper and lower syrup pipes 310 and 320 causes the syrup to be evenly distributed on the solar cell sheet 600, and starts to perform loading and The bottom is electroplated, and the excess liquid is sucked out by each of the water blocking rollers 400 to ensure the dryness of the solar cell 600; 94. The solar cell 600 continues to move toward the outlet 120, leaving the anode units 313, 323 End electroplating; 95. Take out the electroplated solar cell sheet 600 from the sheet outlet 120.

In the foregoing method, the potion of the upper potion pipe 310 enters through the potion inlets 311 and 321, passes through the hollow interior of the upper potion pipe 310 and flows out of the potion outflow unit 312, and flows from top to bottom to the solar energy. The upper surface of the cell 600; the medicine of the medicine water pipe 320 Then it gushes from bottom to top and contacts the lower surface of the solar cell 600; at this time, the anode units 313, 323 of the upper and lower chemical water pipes 320 and each of the cathode conductive rollers 500 conduct electroplating functions, and the upper and The rotation of the medicine water pipes 310 and 320 causes the medicine water to be evenly plated on the solar cell 600.

Similarly, the electroplating operation of the solar cell 600 is performed in a shading environment.

The medicinal water flow control design of the upper and lower medicinal water pipes 310 and 320 must be able to meet and ensure that the medicinal water is sprayed from top to bottom and gushes from bottom to top in an uninterrupted manner to ensure that the solar cells passing through the anode units 313, 323 The surface of the sheet 600 is in contact with the medicine evenly and uninterruptedly.

The upper and lower medicine water pipes 310, 320 and the water blocking roller 400 at both ends are continuously arranged in the working area 130. When the solar cell 600 is driven by the driving roller 150, it will repeatedly enter and leave each anode The actions of units 313 and 323 can continue the electroplating work to obtain better quality.

In the structure of the second embodiment, the anode units 313, 323 are made of titanium, titanium alloy or other insoluble anode materials, and are integrally formed with the upper and lower chemical water pipes 310, 320, the anode units 313, 323 The spacing design with the cathode conductive roller 500 should be able to satisfy the upper and lower front and back sides of the solar cell 600, and ensure that the electroplating circuit is connected during the electroplating process.

In addition, the second embodiment has the same design as the first embodiment, such as the style and material of each of the cathode conductive rollers 500, and the style and material of each of the water blocking rollers 400, which will not be repeated here.

Please refer to FIG. 10 to FIG. 12, which are the third embodiment of the present invention, including: A conveying platform 100 has a film inlet 110 and a film outlet 120 at both ends, a working area 130 is provided between the film inlet 110 and the film outlet 120, and a plurality of driving rollers 150 are arranged on the surface of the conveying platform 100 Each of the driving rollers 150 is driven by a transmission mechanism 140 on one side, so that each of the driving rollers 150 is carried by the film inlet 110 to carry a solar cell 600 through the work area 130 to the film outlet 120, and both ends of the work area Cathode conductive rollers 500 are respectively provided; at least one upper medicine tank 710 and a lower medicine tank 720 are oppositely arranged at the upper and lower ends of the working area 130. The medicine tank 710 and the medicine tank 720 have a hollow structure, and the medicine tank 710 has a back facing A medicine inlet 711 is provided on the outer side of the conveying platform 100, and a medicine outlet 712 is provided near the inner side of the conveying platform 100; the medicine tank 720 is provided with a medicine inlet 721 on the outer side of the conveying platform 100 so that the medicine can flow into the medicine. The inner space of the water tank 720; at least two anode rollers 800, made of insoluble anode materials, are provided with a chemical water soaking unit 810 near the inner side of the conveying platform 100, and the chemical water soaking unit 810 receives the chemical water outlet from the chemical water barrel 710 respectively 712 and the medicine in the medicine tank 720 to continuously add medicine to the surface of the solar cell 600 passing through the working area 130, and make the two anode roller 800 approach the solar cell 600 to cooperate with the cathode conductive roller 500 Conduct electroplating function; at least two water-blocking rollers 400 are arranged at the two ends of the liquid tank 710 and the liquid tank 720 to absorb the excess liquid on the solar cell 600, and then take it away through a water suction pipe on one side.

Please refer to FIG. 13, the implementation method of the foregoing second embodiment includes: 131. Insert the solar cell 600 to be electroplated from the film inlet 110 onto the conveying platform 100; 132. Drive all the driving rollers 150 Bring the solar cell 600 into the work area 130. After passing through the first water-blocking roller 400, the solar cell 600 is brought to the second anode roller 800; 133. The medicine cartridge 710 is continuously connected to the second anode from the medicine outlet 712 and the inside of the medicine tank 720 The medicinal water soaking unit 810 of the roller 800 adds the medicinal liquid, and the two-anode roller 800 rotates so that the medicinal liquid is evenly distributed on the solar cell 600. At the same time, the upper and lower electroplating starts. The water-blocking roller 400 is sucked out to ensure the dryness of the solar cell 600; 134. The solar cell 600 continues to move in the direction of the outlet 120, leaving the second anode roller 800 to end electroplating; 135. The solar cell after electroplating The cell 600 is taken out from the outlet 120.

In the foregoing method, the medicine of the medicine cartridge 710 is sprayed on the medicine water soaking unit 810 above from a plurality of the medicine water outlets 712, and the medicine water soaking unit 810 is a porous structure such as a water-absorbent sponge material to make the medicine water wet. The unit 810 soaks the liquid medicine to form a conduction with the anode roller 800 above, and then contacts the liquid medicine to be distributed on the upper surface of the solar cell 600; the liquid medicine in the liquid medicine tank 720 gushes from bottom to top and overflows below The chemical water soaking unit 810 makes the chemical water distributed on the lower surface of the solar cell 600; at this time, the two anode rollers 800 and each of the cathode conductive rollers 500 are electroplated by the chemical water conduction function, and the two anode rollers The rotation of 800 makes the medicine evenly electroplated on the solar cell 600.

Similarly, the electroplating operation of the solar cell 600 is performed in a shading environment.

The second anode roller 800 is formed by the chemical water soaking unit 810 with a sponge material wrapped around a porous shaft. The chemical water soaking unit 810 is a porous outer coated anti-acid and alkali water-absorbing sponge to control When the medicine overflows, through the medicine cylinder 710 and the medicine tank 720, the sponge of the medicine soaking unit 810 is in contact with the anode to ensure that the medicine is connected with the anode; and the sponge material of the medicine soaking unit 810 roller is in the working process Extruding each other to remove the excess syrup to ensure a certain water absorption, thereby ensuring the dryness of the solar cell sheet 600.

Similarly, the third embodiment has the same design as the first and second embodiments, such as the style and material of each of the cathode conductive rollers 500, and the style and material of each of the water blocking rollers 400, which will not be repeated here.

The detailed description is a specific description of a possible embodiment of the present invention, but the embodiment is not intended to limit the patent scope of the present invention. Any equivalent implementation or modification that does not deviate from the technical spirit of the present invention should be included in this case. The scope of patents.

100‧‧‧Conveying platform

110‧‧‧Inlet

120‧‧‧ Film exit

130‧‧‧Working area

140‧‧‧Transmission mechanism

150‧‧‧Drive roller

210‧‧‧Potion Box

211‧‧‧Potion entrance

400‧‧‧Water blocking roller

410‧‧‧Suction line

500‧‧‧Cathode conductive roller

600‧‧‧Solar Cell

Claims (16)

An equipment for simultaneous horizontal and double-sided electroplating of solar cells includes: a conveying platform with a film inlet and a film outlet at both ends, and a working area is arranged between the film inlet and the film outlet, and the conveying platform A plurality of driving rollers are arranged on the surface, so that each of the driving rollers carries a solar cell from the film inlet through the work area to the film outlet, and both ends of the work area are respectively provided with cathode conductive rollers; at least one upper potion box Opposite to the lower potion box, it is arranged at the upper and lower ends of the working area. The upper and lower potion boxes are provided with potion inlets on the outside of the conveying platform on the back, and are provided with potion outlets on the inner side close to the conveying platform to keep the potion outlets Evenly add potion to the surface of the solar cell sheet passing through the working area, the upper and lower potion boxes are provided with anode units, the anode unit is close to the solar cell sheet to cooperate with the electroplating function of the cathode conductive roller; and at least two resistors Water rollers are arranged at both ends of the upper and lower potion boxes to absorb the excess potion on the solar cell sheet. Each water-blocking roller is a water-absorbent wheel shaft, or a water-absorbent wheel is covered on a rotating shaft , The shaft is made of metal or non-metallic material with acid and alkali resistance. The equipment for simultaneous horizontal and double-sided electroplating of solar cells according to claim 1, wherein the upper and lower potion boxes and the water blocking rollers at both ends are continuously arranged in the working area with more than one set, so that when the solar cells move Electroplating operations are repeated. An equipment for simultaneous horizontal and double-sided electroplating of solar cells includes: a conveying platform with a film inlet and a film outlet at both ends, and a working area is arranged between the film inlet and the film outlet, and the conveying platform The surface is equipped with multiple transmission rollers Wheel, so that each of the driving rollers carries a solar cell from the film inlet through the work area to the film outlet, and the two ends of the work area are respectively provided with cathode conductive rollers; at least one upper chemical water pipe and a lower chemical water pipe are opposite Set at the upper and lower ends of the working area, the upper and lower medicine pipes are hollow, and the medicine inlet is provided on the outside of the conveying platform, and the medicine outlet unit is arranged near the inner side of the conveying platform to continuously pass through the work area. The surface of the solar cell sheet is uniformly added with liquid medicine, and the upper and lower liquid medicine pipe surfaces are provided with anode units, which are close to the solar cell sheet to cooperate with the electroplating function of the cathode conductive roller; and at least two water blocking rollers are arranged on the , The two ends of the lower syrup pipe to absorb the excess syrup on the solar cell, each water blocking roller is a whole water-absorbent wheel shaft, or a water-absorbent wheel rim is covered on a rotating shaft, the rotating shaft is acid and alkali resistant Sexual metallic or non-metallic materials. The equipment for simultaneous horizontal and double-sided electroplating of solar cells according to claim 3, wherein the upper and lower chemical water pipes and the water blocking rollers at both ends are continuously arranged in the working area with more than one set, so that the solar cell is moved repeatedly Perform electroplating operations. The equipment for horizontal double-sided simultaneous electroplating of solar cells according to claim 3, wherein the upper and lower chemical water pipes with the anode unit are hollow and have insoluble titanium meshes or insoluble anodes built in, or the hollow tube itself is an insoluble titanium tube Wait for the anode conductive unit for the medicine to pass through. The equipment for horizontal double-sided simultaneous electroplating of solar cells according to claim 3, wherein the chemical water outflow unit is a porous outer coated anti-acid and alkali water-absorbing sponge to control the chemical water from overflowing, so as to prevent the chemical water from overflowing to the cathode. Scroll wheel. A device for simultaneous horizontal and double-sided electroplating of solar cells, including: A conveying platform has a film inlet and a film outlet at both ends, and a working area is set between the film inlet and the film outlet. The surface of the conveying platform is provided with a plurality of driving rollers, so that each driving roller is The film inlet carries a solar cell through the work area to reach the film outlet, and the two ends of the work area are respectively provided with cathode conductive rollers; at least one upper chemical tank and a lower chemical tank are oppositely arranged at the upper and lower ends of the working area. The medicine tank has a hollow structure, and its back is provided with a medicine inlet on the outside of the conveying platform. The medicine cylinder is close to the inner side of the conveying platform with a medicine outlet; the medicine tank has a hollow structure, and its back is provided with a medicine outlet on the outside of the conveying platform. Medicine inlet; at least two anode rollers, made of insoluble anode material, close to the inner side of the conveying platform is provided with a medicine soaking unit, the medicine soaking unit receives the medicine outlet from the medicine cartridge and the medicine tank Syrup to continuously add syrup to the surface of the solar cell sheet passing through the working area, and to make the two anode rollers approach the solar cell sheet to match the electroplating function of the cathode conductive roller; and at least two water-blocking rollers are arranged at the The two ends of the upper and lower liquid medicine pipes are used to absorb the excess liquid medicine on the solar cell sheet. The equipment for horizontal and double-sided simultaneous electroplating of solar cells according to claim 7, wherein the medicine tank, the medicine tank and the water blocking rollers at both ends are continuously arranged in the working area with more than one set, so that when the solar cell is moved Electroplating operations are repeated. The equipment for horizontal double-sided simultaneous electroplating of solar cells according to claim 7, wherein the chemical water soaking unit is a porous outer coated anti-acid and alkali water-absorbing sponge to control the spill of the chemical water. The equipment for horizontal and double-sided simultaneous electroplating of solar cells according to claim 1, 3 or 7, wherein each of the cathode conductive rollers is made of titanium metal, stainless steel metal, phosphor copper metal, or other conductive Made of materials, the metal surface of the cathode conductive roller can be attached with a soft conductive material, so that the cathode can better adhere to the surface of the solar cell, and at the same time, it can prevent the solar cell from being pinched by the cathode conductive roller. . The equipment for horizontal and double-sided simultaneous electroplating of solar cells according to claim 1, 3, or 7, wherein each of the cathode conductive rollers is in the form of a whole wheel shaft, or each of the cathode conductive rollers is arranged on a rotating shaft at least A small rim is formed. The equipment for horizontal and double-sided simultaneous electroplating of solar cells according to claim 7, wherein each of the water-blocking rollers is a whole water-absorbent wheel shaft, or a water-absorbent wheel rim is covered on a rotating shaft, and the rotating shaft is resistant to water. Acid-base metal or non-metal materials. The equipment for horizontal double-side electroplating of solar cells as described in claim 1, 3 or 7, wherein each of the water-blocking rollers is made of a porous structure made of absorbent sponge material, or is acid and alkali resistant PP, PE, PVC , PU, PO and other absorbent materials. According to claim 1 or 3, the horizontal double-sided simultaneous electroplating equipment for solar cells, wherein the anode unit is made of titanium, titanium alloy or other insoluble anode materials. A method for simultaneous horizontal and double-sided electroplating of solar cells, which uses the equipment for horizontal and double-sided simultaneous electroplating of solar cells as described in claim 7, comprising: inserting the solar cell to be electroplated through the sheet inlet to the On the conveying platform; drive all the driving rollers to bring the solar cell into the work area, after passing the first water-blocking roller, make the solar cell come to the second anode roller; The potion outlet and the interior of the potion tank continue to add the potion to the potion soaking unit of the second anode roller, and the second anode roller rotates so that the potion is evenly distributed on the solar cell, and the upper and lower electroplating starts, and The excess of the potion will be The water-blocking roller is sucked out to ensure the dryness of the solar cell; the solar cell continues to move in the direction of the outlet, and is separated from the two anode roller to finish electroplating; and the electroplated solar cell is taken out from the outlet. The method for horizontal double-sided simultaneous electroplating of solar cells according to claim 15, wherein the chemical water of the chemical water cartridge is sprayed on the chemical water soaking unit above from the chemical water outlet, so that the chemical water soaking unit soaks the The potion is connected to the anode roller above, and then the potion is contacted to distribute on the upper surface of the solar cell; the potion in the potion tank gushes from bottom to top and overflows the potion soaking unit below, so that The medicine is distributed on the lower surface of the solar cell sheet.

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