CN115188839A - Manufacturing method of solar cell electrode - Google Patents
Manufacturing method of solar cell electrode Download PDFInfo
- Publication number
- CN115188839A CN115188839A CN202210906975.5A CN202210906975A CN115188839A CN 115188839 A CN115188839 A CN 115188839A CN 202210906975 A CN202210906975 A CN 202210906975A CN 115188839 A CN115188839 A CN 115188839A
- Authority
- CN
- China
- Prior art keywords
- solar cell
- adhesive film
- film layer
- metal wire
- paste
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 229910052751 metal Inorganic materials 0.000 claims abstract description 60
- 239000002184 metal Substances 0.000 claims abstract description 60
- 239000002313 adhesive film Substances 0.000 claims abstract description 42
- 238000000034 method Methods 0.000 claims abstract description 24
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000000758 substrate Substances 0.000 claims abstract description 16
- 239000003292 glue Substances 0.000 claims abstract description 8
- 238000007639 printing Methods 0.000 claims abstract description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 20
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 12
- 229910052709 silver Inorganic materials 0.000 claims description 12
- 239000004332 silver Substances 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 239000010408 film Substances 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 229910021419 crystalline silicon Inorganic materials 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 5
- 239000010409 thin film Substances 0.000 claims description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 4
- 239000002041 carbon nanotube Substances 0.000 claims description 4
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 4
- 238000001312 dry etching Methods 0.000 claims description 4
- 229910021389 graphene Inorganic materials 0.000 claims description 4
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 4
- 238000007790 scraping Methods 0.000 claims description 4
- 238000007650 screen-printing Methods 0.000 claims description 4
- -1 silver-aluminum Chemical compound 0.000 claims description 4
- 238000001039 wet etching Methods 0.000 claims description 4
- 229910001128 Sn alloy Inorganic materials 0.000 claims description 3
- 229910000679 solder Inorganic materials 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 4
- 238000005286 illumination Methods 0.000 description 3
- 238000003475 lamination Methods 0.000 description 3
- 238000010146 3D printing Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- LQBJWKCYZGMFEV-UHFFFAOYSA-N lead tin Chemical compound [Sn].[Pb] LQBJWKCYZGMFEV-UHFFFAOYSA-N 0.000 description 2
- 229910001152 Bi alloy Inorganic materials 0.000 description 1
- QKAJPFXKNNXMIZ-UHFFFAOYSA-N [Bi].[Ag].[Sn] Chemical compound [Bi].[Ag].[Sn] QKAJPFXKNNXMIZ-UHFFFAOYSA-N 0.000 description 1
- ZWFRZGJUJSOHGL-UHFFFAOYSA-N [Bi].[Cu].[Sn] Chemical compound [Bi].[Cu].[Sn] ZWFRZGJUJSOHGL-UHFFFAOYSA-N 0.000 description 1
- PPIIGEJBVZHNIN-UHFFFAOYSA-N [Cu].[Sn].[Pb] Chemical compound [Cu].[Sn].[Pb] PPIIGEJBVZHNIN-UHFFFAOYSA-N 0.000 description 1
- OLXNZDBHNLWCNK-UHFFFAOYSA-N [Pb].[Sn].[Ag] Chemical compound [Pb].[Sn].[Ag] OLXNZDBHNLWCNK-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- JWVAUCBYEDDGAD-UHFFFAOYSA-N bismuth tin Chemical compound [Sn].[Bi] JWVAUCBYEDDGAD-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F77/00—Constructional details of devices covered by this subclass
- H10F77/20—Electrodes
- H10F77/206—Electrodes for devices having potential barriers
- H10F77/211—Electrodes for devices having potential barriers for photovoltaic cells
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F19/00—Integrated devices, or assemblies of multiple devices, comprising at least one photovoltaic cell covered by group H10F10/00, e.g. photovoltaic modules
- H10F19/30—Integrated devices, or assemblies of multiple devices, comprising at least one photovoltaic cell covered by group H10F10/00, e.g. photovoltaic modules comprising thin-film photovoltaic cells
- H10F19/31—Integrated devices, or assemblies of multiple devices, comprising at least one photovoltaic cell covered by group H10F10/00, e.g. photovoltaic modules comprising thin-film photovoltaic cells having multiple laterally adjacent thin-film photovoltaic cells deposited on the same substrate
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F71/00—Manufacture or treatment of devices covered by this subclass
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K30/00—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation
- H10K30/80—Constructional details
- H10K30/81—Electrodes
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Photovoltaic Devices (AREA)
Abstract
本发明公开了一种太阳能电池电极的制作方法，包括：S1、在基底上设置胶膜层，并根据设计图案在胶膜层上制作孔洞以形成模板；S2、根据设计图案在胶膜层上打印金属线作为栅线，以形成金属线胶膜板；S3、将金属线胶膜板上打印金属线的面贴合在电池片上并去除基底；S4、在孔洞内填充导电浆料并固化。本发明利用金属线替代昂贵的导电银浆，并通过胶膜层固定金属线以保证稳定性，在保证同等导电性的基础上，可以大大地降低栅线制作成本和遮光面积，改善电池转换效率。同时，本发明中金属线的工艺可以使用更加复杂的金属线图案的制作，模板和金属线打印都可以提前制作，金属浆料固定之前的金属线稳定性更好，对位更加精准，良率也更高。
The invention discloses a manufacturing method of a solar cell electrode, comprising: S1, disposing an adhesive film layer on a substrate, and making holes on the adhesive film layer according to a design pattern to form a template; S2, placing an adhesive film layer on the adhesive film layer according to the design pattern Printing metal wires as grid lines to form a metal wire glue film board; S3, attaching the surface of the metal wire glue film board with the printed metal wire on the battery sheet and removing the substrate; S4, filling the holes with conductive paste and curing. The invention replaces the expensive conductive silver paste with metal wires, and fixes the metal wires through an adhesive film layer to ensure stability. On the basis of ensuring the same conductivity, the grid wire fabrication cost and shading area can be greatly reduced, and the battery conversion efficiency can be improved. . At the same time, the process of the metal wire in the present invention can use the production of more complex metal wire patterns, the template and the metal wire printing can be produced in advance, the stability of the metal wire before the metal paste is fixed is better, the alignment is more accurate, and the yield rate is improved. Also higher.
Description
技术领域technical field
本发明涉及太阳能电池技术领域，特别涉及一种太阳能电池电极的制作方法。The present invention relates to the technical field of solar cells, in particular to a method for manufacturing solar cell electrodes.
背景技术Background technique
太阳能电池，是一种利用太阳光直接发电的光电半导体薄片，又称为“太阳能芯片”或“光电池”，它只要被满足一定照度条件的光照度，瞬间就可输出电压及在有回路的情况下产生电流。在物理学上称为太阳能光伏(Photovoltaic，缩写为PV)，简称光伏。A solar cell is an optoelectronic semiconductor sheet that uses sunlight to generate electricity directly, also known as "solar chip" or "photovoltaic cell". As long as it is illuminated by a certain illumination condition, it can output voltage instantly and in the case of a loop. generate current. In physics, it is called solar photovoltaic (Photovoltaic, abbreviated as PV), referred to as photovoltaic.
太阳能电池是通过光电效应或者光化学效应直接把光能转化成电能的装置。以光伏效应工作的晶硅太阳能电池为主流，而以光化学效应工作的薄膜电池实施太阳能电池则还处于萌芽阶段。A solar cell is a device that directly converts light energy into electrical energy through the photoelectric effect or photochemical effect. The crystalline silicon solar cells working with photovoltaic effect are the mainstream, while the implementation of solar cells with thin film cells working with photochemical effect is still in its infancy.
能源危机以及碳达峰碳中和背景下光伏产业发展迅速，而进一步推广光伏应用的关键是提高太阳能电池片的光电转换效率以及降低电池片的制作成本。对于太阳能电池来说，为了获得尽可能高的光电转化效率，对电池的结构必须进行详细设计。其中栅线是电池不可或缺的一部分，金属栅线负责把电池体内的光生电流引到电池外部。目前使用最多的栅线电极是以丝印导电银浆为主，缺点是银浆价格高昂，消耗量大，成本难以降低，印刷工艺难以进一步提高高宽比，遮光面积较大，影响电池片对光的吸收，进而影响光电转化效率。因此，亟需一种新的太阳能电池电极的制作方法来解决上述问题。The photovoltaic industry is developing rapidly under the background of energy crisis and carbon neutralization, and the key to further promoting photovoltaic applications is to improve the photoelectric conversion efficiency of solar cells and reduce the production cost of cells. For solar cells, in order to obtain the highest possible photoelectric conversion efficiency, the structure of the cell must be designed in detail. The grid wire is an integral part of the battery, and the metal grid wire is responsible for leading the photo-generated current in the battery to the outside of the battery. At present, the most used grid line electrodes are mainly screen-printed conductive silver paste. The disadvantage is that the price of silver paste is high, the consumption is large, and the cost is difficult to reduce. absorption, which in turn affects the photoelectric conversion efficiency. Therefore, there is an urgent need for a new fabrication method of solar cell electrodes to solve the above problems.
发明内容SUMMARY OF THE INVENTION
本发明要解决的技术问题是提供一种结构合理、成本低、工艺成熟、改善转换效率的太阳能电池电极的制作方法。The technical problem to be solved by the present invention is to provide a manufacturing method of a solar cell electrode with reasonable structure, low cost, mature technology and improved conversion efficiency.
为了解决上述问题，本发明提供了一种太阳能电池电极的制作方法，所述太阳能电池电极的制作方法包括以下步骤：In order to solve the above problems, the present invention provides a manufacturing method of a solar cell electrode, which comprises the following steps:
S1、在基底上设置胶膜层，并根据设计图案在所述胶膜层上制作孔洞以形成模板；S1, setting an adhesive film layer on the substrate, and making holes on the adhesive film layer according to the design pattern to form a template;
S2、根据设计图案在所述胶膜层上打印金属线作为栅线，以形成金属线胶膜板；S2, printing metal wires as grid lines on the glue film layer according to the design pattern to form a metal wire glue film plate;
S3、将所述金属线胶膜板上打印金属线的面贴合在电池片上并去除所述基底；S3, attaching the surface of the printed metal wire on the metal wire adhesive film board to the battery sheet and removing the substrate;
S4、在所述孔洞内填充导电浆料并固化。S4, filling and curing the conductive paste in the holes.
作为本发明的进一步改进，步骤S1中，所述胶膜层为EVA或POE，所述胶膜层可与电池片上的EVA/POE层进行组件层压。As a further improvement of the present invention, in step S1, the adhesive film layer is EVA or POE, and the adhesive film layer can be laminated with the EVA/POE layer on the battery sheet.
作为本发明的进一步改进，步骤S1中，通过干法刻蚀或湿法刻蚀在所述胶膜层上制作孔洞。As a further improvement of the present invention, in step S1, holes are formed on the adhesive film layer by dry etching or wet etching.
作为本发明的进一步改进，还包括以下步骤：As a further improvement of the present invention, also comprises the following steps:
S5、去除所述胶膜层。S5, removing the adhesive film layer.
作为本发明的进一步改进，步骤S5包括：采用机械剥除或化学剥除去除所述胶膜层。As a further improvement of the present invention, step S5 includes: removing the adhesive film layer by mechanical peeling or chemical peeling.
作为本发明的进一步改进，所述基底为PET、玻璃或金属。As a further improvement of the present invention, the substrate is PET, glass or metal.
作为本发明的进一步改进，所述金属线为铜线、铝线、锡包铜线、银包铜线、锡合金包铜线。As a further improvement of the present invention, the metal wires are copper wires, aluminum wires, tin-clad copper wires, silver-clad copper wires, and tin alloy-clad copper wires.
作为本发明的进一步改进，所述电池片为晶硅太阳能电池片、薄膜太阳能电池片或有机太阳能电池片。As a further improvement of the present invention, the solar cells are crystalline silicon solar cells, thin-film solar cells or organic solar cells.
作为本发明的进一步改进，步骤S4中，在所述孔洞内填充导电浆料的方式为丝网印刷、点胶或刮填。As a further improvement of the present invention, in step S4, the method of filling the holes with the conductive paste is screen printing, dispensing or scraping.
作为本发明的进一步改进，所述导电浆料为银浆、铝浆、锡膏、银铝浆、银包铜、石墨烯浆或碳纳米管浆。As a further improvement of the present invention, the conductive paste is silver paste, aluminum paste, solder paste, silver-aluminum paste, silver-coated copper, graphene paste or carbon nanotube paste.
本发明的有益效果：Beneficial effects of the present invention:
本发明太阳能电池电极的制作方法利用金属线替代昂贵的导电银浆，并通过胶膜层固定金属线以保证稳定性，在保证同等导电性的基础上，可以大大地降低栅线制作成本和遮光面积，改善电池转换效率。The manufacturing method of the solar cell electrode of the present invention replaces the expensive conductive silver paste with metal wires, and fixes the metal wires through an adhesive film layer to ensure stability. area and improve the cell conversion efficiency.
同时，本发明中金属线的工艺可以使用更加复杂的金属线图案的制作，模板和金属线打印都可以提前制作，金属浆料固定之前的金属线稳定性更好，对位更加精准，良率也更高。At the same time, the process of the metal wire in the present invention can use the production of more complex metal wire patterns, the template and the metal wire printing can be produced in advance, the metal wire stability before the metal paste is fixed is better, the alignment is more accurate, and the yield is improved. Also higher.
上述说明仅是本发明技术方案的概述，为了能够更清楚了解本发明的技术手段，而可依照说明书的内容予以实施，并且为了让本发明的上述和其他目的、特征和优点能够更明显易懂，以下特举较佳实施例，并配合附图，详细说明如下。The above description is only an overview of the technical solutions of the present invention, in order to be able to understand the technical means of the present invention more clearly, it can be implemented according to the content of the description, and in order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand , the following specific preferred embodiments, and in conjunction with the accompanying drawings, are described in detail as follows.
附图说明Description of drawings
图1是本发明优选实施例中太阳能电池电极的制作方法的流程图；Fig. 1 is the flow chart of the manufacturing method of the solar cell electrode in the preferred embodiment of the present invention;
图2是本发明优选实施例中太阳能电池电极的制作方法的示意图。FIG. 2 is a schematic diagram of a manufacturing method of a solar cell electrode in a preferred embodiment of the present invention.
具体实施方式Detailed ways
下面结合附图和具体实施例对本发明作进一步说明，以使本领域的技术人员可以更好地理解本发明并能予以实施，但所举实施例不作为对本发明的限定。The present invention will be further described below with reference to the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.
实施例一Example 1
如图1所示，本实施例公开了一种太阳能电池电极的制作方法，包括以下步骤：As shown in FIG. 1 , the present embodiment discloses a method for fabricating a solar cell electrode, which includes the following steps:
S1、在基底上设置胶膜层，并根据设计图案在所述胶膜层上制作孔洞以形成模板；可选地，通过干法刻蚀或湿法刻蚀等方法在所述胶膜层上制作孔洞。可选地，所述基底为PET、玻璃或金属等。S1. Set an adhesive film layer on the substrate, and make holes on the adhesive film layer according to the design pattern to form a template; optionally, dry etching or wet etching methods are used on the adhesive film layer. Make holes. Optionally, the substrate is PET, glass or metal or the like.
进一步地，在基底上整面设置胶膜层，以保证接下来与打印的金属线之间粘合的稳定性。Further, an adhesive film layer is arranged on the entire surface of the substrate to ensure the stability of the adhesion with the printed metal lines next.
S2、根据设计图案在所述胶膜层上打印金属线作为栅线，以形成金属线胶膜板；其中，金属线的电阻率更低，做栅线可以更细，增加了光照面积，改善了转化效率。可选地，所述金属线为铜线、铝线、锡包铜线、银包铜线、锡合金包铜线等，其中，锡合金可选用锡铅、锡铅银、锡铅铜、锡铋、锡铋银、锡铋铜等。S2. According to the design pattern, metal wires are printed on the adhesive film layer as grid lines to form a metal wire adhesive film plate; wherein, the resistivity of the metal wires is lower, and the grid lines can be made thinner, which increases the illumination area and improves the conversion efficiency. Optionally, the metal wire is copper wire, aluminum wire, tin-coated copper wire, silver-coated copper wire, tin alloy-coated copper wire, etc., wherein, tin alloy can be selected from tin-lead, tin-lead-silver, tin-lead-copper, tin-lead, etc. Bismuth, tin bismuth silver, tin bismuth copper, etc.
S3、将所述金属线胶膜板上打印金属线的面贴合在电池片上并去除所述基底；可选地，所述电池片为晶硅太阳能电池片、薄膜太阳能电池片或有机太阳能电池片等。其中，在贴合时，可以根据需求增加对位、压力、高温、真空等控制。可选地，通过金属线3D打印设备进行金属线的打印，可以根据不同的要求进行设定，速度、压力、打印头也可根据需求紧进行增减。S3, attaching the surface of the metal wire glue film to the printed metal wire on the cell and removing the substrate; optionally, the cell is a crystalline silicon solar cell, a thin-film solar cell or an organic solar cell film etc. Among them, during lamination, the control of alignment, pressure, high temperature, vacuum, etc. can be added according to requirements. Optionally, metal wire printing can be performed by metal wire 3D printing equipment, which can be set according to different requirements, and the speed, pressure, and print head can also be increased or decreased according to the demand.
S4、在所述孔洞内填充导电浆料并固化。S4, filling and curing the conductive paste in the holes.
可选地，在所述孔洞内填充导电浆料的方式为丝网印刷、点胶或刮填等。所述导电浆料为银浆、铝浆、锡膏、银铝浆、银包铜、石墨烯浆或碳纳米管浆等。Optionally, the method of filling the conductive paste in the holes is screen printing, dispensing or scraping. The conductive paste is silver paste, aluminum paste, solder paste, silver-aluminum paste, silver-coated copper, graphene paste or carbon nanotube paste.
可选地，步骤S1中，所述胶膜层为EVA或POE，所述胶膜层可与电池片上的EVA/POE层进行组件层压。由于常规太阳能电池是电池片+EVA/POE+光伏玻璃在层压机中高温层压形成，而在本实施例中将胶膜层选择为EVA或POE，等于将太阳能电池中间的EVA/POE提前用在金属线中，后续再加薄一点的EVA/POE即可进行组件层压。不仅没有额外的辅材增加，而且提高了电池片与金属线的嵌合度，有效提升电池性能。Optionally, in step S1, the adhesive film layer is EVA or POE, and the adhesive film layer can be laminated with the EVA/POE layer on the battery sheet. Since conventional solar cells are formed by laminating cells + EVA/POE + photovoltaic glass at high temperature in a laminator, in this embodiment, the adhesive film layer is selected as EVA or POE, which is equivalent to using EVA/POE in the middle of the solar cell in advance. In the metal wire, a thinner EVA/POE can be added later for component lamination. Not only there is no additional auxiliary material, but also the fit of the battery sheet and the metal wire is improved, which effectively improves the battery performance.
本实施例中太阳能电池电极的制作方法利用金属线替代昂贵的导电银浆，并通过胶膜层固定金属线以保证稳定性，在保证同等导电性的基础上，可以大大地降低栅线制作成本和遮光面积，改善电池转换效率。The fabrication method of the solar cell electrode in this embodiment uses metal wires to replace the expensive conductive silver paste, and fixes the metal wires through an adhesive film layer to ensure stability. On the basis of ensuring the same electrical conductivity, the fabrication cost of grid lines can be greatly reduced and shading area to improve cell conversion efficiency.
同时，本实施例中金属线的工艺可以使用更加复杂的金属线图案的制作，模板和金属线打印都可以提前制作，金属浆料固定之前的金属线稳定性更好，对位更加精准，良率也更高。At the same time, the metal wire process in this embodiment can use the production of more complex metal wire patterns, and both the template and the metal wire printing can be produced in advance. The metal wire before the metal paste is fixed has better stability, more accurate alignment, and good rate is also higher.
实施例二Embodiment 2
如图2所示，本实施例公开了一种太阳能电池电极的制作方法，包括以下步骤：As shown in FIG. 2 , this embodiment discloses a method for fabricating a solar cell electrode, which includes the following steps:
S1、在基底上设置胶膜层，并根据设计图案在所述胶膜层上制作孔洞以形成模板；可选地，通过干法刻蚀或湿法刻蚀等方法在所述胶膜层上制作孔洞。可选地，所述基底为PET、玻璃或金属等。S1. Set an adhesive film layer on the substrate, and make holes on the adhesive film layer according to the design pattern to form a template; optionally, dry etching or wet etching methods are used on the adhesive film layer. Make holes. Optionally, the substrate is PET, glass or metal or the like.
进一步地，在基底上整面设置胶膜层，以保证接下来与打印的金属线之间粘合的稳定性。Further, an adhesive film layer is arranged on the entire surface of the substrate to ensure the stability of the adhesion with the printed metal lines next.
S2、根据设计图案在所述胶膜层上打印金属线作为栅线，以形成金属线胶膜板；其中，金属线的电阻率更低，做栅线可以更细，增加了光照面积，改善了转化效率。可选地，所述金属线为铜线、锡包铜线、银包铜线或锡铋合金包铜线等。可选地，通过金属线3D打印设备进行金属线的打印，可以根据不同的要求进行设定，速度、压力、打印头也可根据需求紧进行增减。S2. According to the design pattern, metal wires are printed on the adhesive film layer as grid lines to form a metal wire adhesive film plate; wherein, the resistivity of the metal wires is lower, and the grid lines can be made thinner, which increases the illumination area and improves the conversion efficiency. Optionally, the metal wire is a copper wire, a tin-coated copper wire, a silver-coated copper wire, or a tin-bismuth alloy-coated copper wire, or the like. Optionally, metal wire printing can be performed by metal wire 3D printing equipment, which can be set according to different requirements, and the speed, pressure, and print head can also be increased or decreased according to the demand.
S3、将所述金属线胶膜板上打印金属线的面贴合在电池片上并去除所述基底；可选地，所述电池片为晶硅太阳能电池片、薄膜太阳能电池片或有机太阳能电池片等。其中，在贴合时，可以根据需求增加对位、压力、高温、真空等控制。S3, attaching the surface of the metal wire glue film to the printed metal wire on the cell and removing the substrate; optionally, the cell is a crystalline silicon solar cell, a thin-film solar cell or an organic solar cell film etc. Among them, during lamination, the control of alignment, pressure, high temperature, vacuum, etc. can be added according to requirements.
S4、在所述孔洞内填充导电浆料并固化。S4, filling and curing the conductive paste in the holes.
可选地，在所述孔洞内填充导电浆料的方式为丝网印刷、点胶或刮填等。所述导电浆料为银浆、铝浆、银铝浆、银包铜、石墨烯浆或碳纳米管浆等。Optionally, the method of filling the conductive paste in the holes is screen printing, dispensing or scraping. The conductive paste is silver paste, aluminum paste, silver-aluminum paste, silver-coated copper, graphene paste or carbon nanotube paste.
S5、去除所述胶膜层。在实施例一中，胶膜层在不影响整体性能的前提下予以保留。在本实施例中，胶膜层影响了整体性能，因此，需要对其进行去除。可选地，通过机械剥除或化学剥除等方法去除所述胶膜层。S5, removing the adhesive film layer. In Example 1, the adhesive film layer is retained on the premise of not affecting the overall performance. In this embodiment, the adhesive film layer affects the overall performance, therefore, it needs to be removed. Optionally, the adhesive film layer is removed by methods such as mechanical peeling or chemical peeling.
以上实施例仅是为充分说明本发明而所举的较佳的实施例，本发明的保护范围不限于此。本技术领域的技术人员在本发明基础上所作的等同替代或变换，均在本发明的保护范围之内。本发明的保护范围以权利要求书为准。The above embodiments are only preferred embodiments for fully illustrating the present invention, and the protection scope of the present invention is not limited thereto. Equivalent substitutions or transformations made by those skilled in the art on the basis of the present invention are all within the protection scope of the present invention. The protection scope of the present invention is subject to the claims.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210906975.5A CN115188839A (en) | 2022-07-29 | 2022-07-29 | Manufacturing method of solar cell electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210906975.5A CN115188839A (en) | 2022-07-29 | 2022-07-29 | Manufacturing method of solar cell electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115188839A true CN115188839A (en) | 2022-10-14 |
Family
ID=83521023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210906975.5A Pending CN115188839A (en) | 2022-07-29 | 2022-07-29 | Manufacturing method of solar cell electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115188839A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0684652A2 (en) * | 1994-05-19 | 1995-11-29 | Canon Kabushiki Kaisha | Photovoltaic element, electrode structure thereof, and process for producing the same |
| CN101924167A (en) * | 2010-08-06 | 2010-12-22 | 李卫卫 | Method for producing film laminating block and method for producing positive electrode |
| CN113793883A (en) * | 2021-09-07 | 2021-12-14 | 苏州诺菲纳米科技有限公司 | Preparation method of solar cell electrode |
| CN114156349A (en) * | 2021-11-08 | 2022-03-08 | 苏州诺菲纳米科技有限公司 | Solar cell and method of making the same |
-
2022
- 2022-07-29 CN CN202210906975.5A patent/CN115188839A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0684652A2 (en) * | 1994-05-19 | 1995-11-29 | Canon Kabushiki Kaisha | Photovoltaic element, electrode structure thereof, and process for producing the same |
| CN1150338A (en) * | 1994-05-19 | 1997-05-21 | 佳能株式会社 | Photovoltaic element, electrode structure thereof, and process for producing the same |
| CN101924167A (en) * | 2010-08-06 | 2010-12-22 | 李卫卫 | Method for producing film laminating block and method for producing positive electrode |
| CN113793883A (en) * | 2021-09-07 | 2021-12-14 | 苏州诺菲纳米科技有限公司 | Preparation method of solar cell electrode |
| CN114156349A (en) * | 2021-11-08 | 2022-03-08 | 苏州诺菲纳米科技有限公司 | Solar cell and method of making the same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201838602U (en) | Crystalline silicon solar battery with segmented grid lines | |
| JP2939075B2 (en) | Solar cell module | |
| TWI362759B (en) | Solar module and system composed of a solar cell with a novel rear surface structure | |
| CN103474485B (en) | A kind of flexible thin-film solar cell and preparation method thereof | |
| CN204857754U (en) | A solar cell module | |
| TWI727728B (en) | Thin film photovoltaic cell series structure and preparation process of thin film photovoltaic cell series | |
| CN111584669B (en) | Silicon heterojunction SHJ solar cell and preparation method thereof | |
| CN114765229A (en) | Packaging method of solar cell module and solar cell module | |
| CN102856425A (en) | Method for manufacturing soft silicon-based thin film solar cell integrated component | |
| CN106098807A (en) | A kind of N-type crystalline silicon solar battery structure and preparation method thereof | |
| CN212257425U (en) | Improved perovskite solar component | |
| CN113410316A (en) | Low-consumption silver solar cell and manufacturing method thereof | |
| CN104269454B (en) | High-efficiency back contact solar cell back sheet without main grids, high-efficiency back contact solar cell assembly without main grids and manufacturing technology | |
| CN102306679B (en) | Preparation method of solar cell and solar module | |
| CN100559614C (en) | Thin film solar cell module and its processing method | |
| CN206259362U (en) | One kind is without main grid crystal silicon solar energy battery | |
| CN111969074A (en) | Full-black MWT battery piece and preparation method thereof | |
| CN115188839A (en) | Manufacturing method of solar cell electrode | |
| CN107546326A (en) | Low-melting-point metal electrode type perovskite solar cell | |
| WO2013094556A1 (en) | Solar cell with wiring sheet, solar cell module, and solar cell manufacturing method | |
| CN110350054A (en) | A kind of printing process of solar energy crystal-silicon battery slice | |
| CN101820004A (en) | Photo-electro separated solar cell back reflector | |
| CN101640232B (en) | Method for processing thin-film solar cell module | |
| CN201270255Y (en) | Thin film solar cell module | |
| CN219873547U (en) | Composite electrode structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |