CN103171253A - Matching metal solar screen for multi-time printing and use method thereof - Google Patents

Matching metal solar screen for multi-time printing and use method thereof Download PDF

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Publication number
CN103171253A
CN103171253A CN 201110435517 CN201110435517A CN103171253A CN 103171253 A CN103171253 A CN 103171253A CN 201110435517 CN201110435517 CN 201110435517 CN 201110435517 A CN201110435517 A CN 201110435517A CN 103171253 A CN103171253 A CN 103171253A
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CN
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Prior art keywords
screen
printing
gate line
metal
solar
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CN 201110435517
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Chinese (zh)
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魏志凌
高小平
潘世珎
赵录军
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昆山允升吉光电科技有限公司
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product
    • Y02P70/52Manufacturing of products or systems for producing renewable energy
    • Y02P70/521Photovoltaic generators

Abstract

The invention discloses a matching metal solar screen for multi-time printing and a use method thereof. The matching metal solar screen comprises two screens, at least one of the screens is a metal type screen, a first screen in the two screens is only provided with a thin grid line structure, and a second screen is only provided with a main grid line structure. The printing method corresponding to the screen comprises the step of utilizing the two screens to print grid lines on a silicon wafer in an alternating mode.

Description

—种用于多次印刷的配套金属太阳能网板及其使用方法 - for multiple kinds of printing plate supporting metal mesh and method of using solar

技术领域 FIELD

[0001] 本发明涉及的是太阳能电池电极印刷过程,具体涉及的是一种用于多次印刷的配套金属太阳能网板及其使用方法。 [0001] The present invention relates to a solar cell electrode printing process, particularly relates to a metal supporting board and the solar mesh using a method for printing a plurality of times.

背景技术 Background technique

[0002] 随着经济的快速发展,能源的消耗量越来越大,煤和石油等不可再生资源的储存量日益减少,这促使人们对新能源(如核能、太阳能、风能、生物质能、地热能、海洋能、氢能等)进行不断地探索。 [0002] With the rapid economic development, energy consumption is growing, coal and oil and other nonrenewable resources dwindling storage capacity, prompting people to new energy sources (such as nuclear, solar, wind, biomass, geothermal energy, ocean energy, hydrogen energy, etc.) continue to be explored. 其中,作为地球上许多能量的来源,太阳能在新能源的研究中占据了重要的地位,太阳能电池就是太阳能应用的一个核心代表。 Among them, many as a source of energy on earth, solar energy occupies an important position in the study of new energy, the solar cell is representative of a core solar applications.

[0003] 提高太阳能电池的转化效率是目前太阳能电池研究的一个主要目标,除了对电池基片材料的选择、基片制作工艺的改善外,制作性能优异的太阳能电池电极也能对电池的转化效率带来很好的效果。 [0003] improve the conversion efficiency of solar cells is a major goal of current solar cell research, in addition to the selection of a cell substrate material, to improve the substrate production process to produce high performance solar cell electrode can be conversion efficiency of the battery bring good results.

[0004] 图1所示为传统的单块太阳能网板的结构,其由若干条相互平行的主栅线11和若干条相互平行的细栅线12相互垂直构成。 [0004] Figure 1 shows the structure of a conventional solar single screen, consisting of a plurality of mutually parallel bus bars 11 and a plurality of thin parallel gate lines 12 are perpendicular configuration. 传统的太阳能网板为丝网感光胶相结合制得,但丝网感光胶网板由于解像力不是很好,从而难以再进一步提高其电极栅线印刷质量。 Traditional solar screen to screen emulsion prepared by combining, but since the stencil screen emulsion resolving power is not very good, making it difficult to further improve the print quality of the gate line electrode. 好的解像力是指网版能精确显示原稿的细线条,这对网板材料的要求很高。 Good resolution halftone force is meant to accurately display the original fine line, high requirements on this screen material. 近年来太阳能网板有向金属型网板方向发展的趋势,金属型太阳能网板的解像力高,但其性质较脆,在网板栅线处特别是在主栅线及细栅线的连接处易发生断裂,使其寿命受到限制。 In recent years, a solar screen of developing the metal stencils direction tendency, a high resolving power metal solar screen, but the more brittle nature, particularly at the junction of the gate line screen in the main gate line and the thin gate line prone to fracture, its life is limited. 这对于大规模生产来讲,在一定程度上增加了太阳能电池生产的成本。 This large-scale production is concerned, to a certain extent, increase the cost of solar cell production.

发明内容 SUMMARY

[0005] 本发明要解决的技术问题是上述金属型网板栅线在印刷时易断裂的问题。 [0005] The present invention is to solve the technical problem of the metal mesh grid line type printing breakable problem.

[0006] 为解决上述技术问题,本发明提供了一种用于多次印刷的配套金属太阳能网板,其包括两块网板;所述两块网板中至少有一块为金属型网板;所述两块网板的第一块网板只有细栅线结构,第二块网板只具有主栅线结构;所述第一块网板每一条细栅线是连贯的或在与第二块网板主栅线对应位置处存在断点;所述第一块网板的细栅线存在断点时,断点的间距不大于第二块网板的主栅线宽度。 [0006] In order to solve the above technical problem, the present invention provides a metal supporting multiple solar screen for printing, comprising two screen; the two screen at least one type of metal mesh plate; the two screen of a screen only the thin gate line structure, a second block having a main screen only gate line structure; each of the first screen a gate line is a thin coherent with the second or presence breakpoint principal position of the block corresponding to the gate line network; when a break is a thin gate lines in the first screen, the spacing is no greater than the breakpoint main gate line width of the second block of screen.

[0007] 对应于以上所述网板的印刷方法为:交替使用所述两块网板在硅片上进行栅线印刷。 [0007] corresponding to the screen printing method described above is: alternately using the two gate lines for screen printing on silicon wafers. 作为优选,印刷正电极栅线的顺序为:先采用第一块网板印刷出细栅线,经烘干处理后,再采用第二块网板进行主栅线印刷,烘干,根据需要可以再采用以上所述网板进行重复印刷,印刷完毕后进入下一道工序。 As a preference order, the positive electrode grid print line is: on a first screen printing using a thin gate line, after the drying process, and then using the screen for the second block of the main gate line printing, drying, as needed With the above and then repeat the screen printing, after printing is finished into the next process.

[0008] 本发明所提供的配套金属型太阳能网板,主栅线与细栅线分开设计,可以有效的解决单块金属型网板主栅线与细栅线连接处易断裂的问题,使用该网板进行印刷可以有效地延长网板的使用寿命,从而降低生产成本。 [0008] The solar supporting metal screen provided by the present invention, the main gate line and the gate line separated fine design, can effectively solve the problem of principal single piece of metal mesh type gate lines and the gate lines thin breakable connection using the screen printing can effectively extend the life of the screen, thereby reducing production costs.

附图说明[0009] 图1为传统的单块太阳能网板结构的示意图; BRIEF DESCRIPTION [0009] FIG. 1 is a schematic diagram of a conventional single-structure solar screen;

图2为根据本发明一个实施例的第一块网板结构的示意图; Figure 2 is an embodiment of the present invention, a schematic structure of a stencil;

图3为根据本发明另一实施例的第一块网板结构的示意图; FIG 3 is a schematic view of a screen structure according to another embodiment of the present invention;

图4为根据本发明一个实施例的第二块网板结构的示意图;以及图5为通过根据本发明一个实施例的配套网板印刷得到的电池片正电极结构的示意图。 4 is a block diagram illustrating a second embodiment of a screen structure according to the embodiment of the present invention; and Figure 5 is a schematic view of the battery through the supporting sheet obtained by the screen printing according to one embodiment of the present invention, the positive electrode structure.

具体实施方式 detailed description

[0010] 以下将讨论本发明的部分实施例,这些实施例旨在帮助理解本发明,并不是对本发明保护范围的限制,所有由本发明直接或间接得到的方案均在本发明的保护范围内。 [0010] will be discussed below part of the present embodiment of the invention, these examples are intended to aid in understanding the present invention, not to limit the scope of the present invention, it is within the scope of the invention in all the present invention directly or indirectly solution. 附图中的图形尺寸比例以及栅线数目仅起说明作用,并不能被认为是对本发明实际结构的限制。 Drawing graphics size ratios and the number of gate lines illustrative purposes only, are not to be considered limiting of the actual structure of the present invention. 另外,实施例中对具体材料的选用也仅是为了说明目的,本领域技术人员应当理解还可选择使用其它合适的材料来实现本发明。 Further, specific examples of the material chosen embodiment is only for illustrative purposes, those skilled in the art will appreciate may also choose to use other suitable materials to implement the invention.

[0011] 实施例1: [0011] Example 1:

一种用于多次印刷的配套金属太阳能网板,其包括两块网板,所述两块网板均为金属型网板。 One kind of a metal supporting multiple solar printing stencil, comprising two screen, the screen are two metal stencils. 图2所示为根据本发明一个实施例的第一块网板的结构示意图。 As shown in FIG. 2 is a schematic view of a screen according to an embodiment of the present invention. 图4所示为根据本发明一个实施例的第二块网板的结构示意图。 FIG. 4 is a schematic block structure according to a second embodiment of a stencil of the present invention. 第一块网板只有细栅线结构21,细栅线21为连贯结构,即每条栅线主体结构无断点;第二块网板只具有主栅线结构41。 The first screen only a thin gate line structure 21, the fine structure of the gate line 21 is coherent, i.e. the main structure of each of the gate lines without breaks; only the second block having a main screen 41 gate line structure.

[0012] 图5所示为通过根据本发明一个实施例的配套网板印刷得到的电池片正电极结构的示意图。 [0012] Figure 5 is a schematic view of a positive electrode through a cell structure according to the screen printing plate support according to one embodiment of the present invention is obtained. 其具体印刷方法为:先采用第一块网板印刷出细栅线,经烘干处理后,再采用第二块网板进行主栅线印刷,烘干,完毕后进入下一道工序。 Specific printing methods are: use of a first screen printing a thin gate line, after the drying process, and then using the screen for the second block of the main gate line printing, drying, into the next process is completed.

[0013] 实施例2: [0013] Example 2:

一种用于多次印刷的配套金属太阳能网板,其包括两块网板。 One kind of a metal supporting multiple solar printing stencil, comprising two screen. 图3所示为根据本发明一个实施例的第一块网板的结构示意图,该网板主体为金属材料。 Figure 3 is a schematic view of a screen according to one embodiment of the invention, the screen body is a metallic material. 图4所示为根据本发明一个实施例的第二块网板的结构示意图。 FIG. 4 is a schematic block structure according to a second embodiment of a stencil of the present invention. 第一块网板只有细栅线结构31 ;第二块网板只具有主栅线结构41,其宽度为W2。 The first screen only a thin gate line structure 31; a second block having a screen-only bus bar structure 41, a width W2. 第一块网板细栅线31为非连贯结构,其每条栅线31主体结构在与第二块网板主栅41线对应的位置处存在断点,且断点间距为Wl。 A first thin screen lines 31 non-coherent grid structure, each of the gate line 31 which is the main structure of the breakpoint is present at a position 41 grid lines of the second block corresponding to the principal network and the breakpoint spacing Wl. Wl ( W2。 Wl (W2.

[0014] 图5所示为通过根据本发明一个实施例的配套网板印刷得到的电池片正电极结构的示意图。 [0014] Figure 5 is a schematic view of a positive electrode through a cell structure according to the screen printing plate support according to one embodiment of the present invention is obtained. 其具体印刷方法为:先采用第一块网板印刷出细栅线,经烘干处理后,再采用第二块网板进行主栅线印刷,烘干,重复采用第一块网板进行再一次印刷,烘干,完毕后进入下一道工序。 Specific printing methods are: use of a first screen printing a thin gate line, after the drying process, and then using the screen for the second block of the main gate line printing, drying, repeated use of a re-screen a printing, drying, into the next process is completed.

Claims (6)

  1. 1.一种用于多次印刷的配套金属太阳能网板,其包括两块网板,所述两块网板中至少有一块为金属型网板,所述两块网板中的第一块网板只具有细栅线结构,第二块网板只具有主栅线结构。 A solar metal supporting multiple printing stencil, comprising two screen, the screen has at least two metal stencils a first one of said two web plates only a fine screen having a gate line structure, a second block having a main screen only gate line structure.
  2. 2.如权利要求1所述的配套金属太阳能网板,其特征在于,所述第一块网板的每一条细栅线是连贯的。 The supporting metal mesh 2. The solar panel according to claim 1, wherein said each gate line of a thin screen is coherent.
  3. 3.如权利要求1所述的配套金属太阳能网板,其特征在于,所述第一块网板的每一条细栅线在与所述第二块网板主栅线对应位置处存在断点,所述断点的间距不大于所述第二块网板的主栅线宽度。 3. The solar supporting metal screen according to claim 1, wherein each of said first thin gate line of a screen exists at a breakpoint in the second block and the gate line corresponding to the network location of the principal the breakpoint spaced not more than the width of the bus bar of the second block of screen.
  4. 4.一种使用如权利要求1-3中任一项所述的配套金属太阳能网板进行印刷的方法,其特征在于,交替使用所述两块网板在硅片上进行栅线印刷。 A printing method using a metal package 1-3 mesh solar panel as claimed in any one of the preceding claims, characterized in that, alternately using the two gate lines for screen printing on silicon wafers.
  5. 5.如权利要求4所述的方法,其特征在于,进一步包括以下步骤:先采用所述第一块网板印刷出细栅线,然后烘干处理;接着采用所述第二块网板进行主栅线印刷,然后再烘干处理,之后进入下一道工序。 5. The method according to claim 4, characterized in that, further comprising the steps of: a first network using said first gate plate printed thin line, and then the drying process; then using the screen for the second block bus bar printing, and then drying, after entering the next process.
  6. 6.如权利要求5所述的方法,其特征在于,在进入下一道工序之前,交替使用所述两块网板重复地进行印刷。 The method as claimed in claim 5, characterized in that, prior to a step of alternating the two screen printing is repeatedly performed at entering.
CN 201110435517 2011-12-23 2011-12-23 Matching metal solar screen for multi-time printing and use method thereof CN103171253A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104129183A (en) * 2014-08-06 2014-11-05 中利腾晖光伏科技有限公司 Method of printing obverse-side electrode of solar battery piece
CN106356414A (en) * 2016-10-26 2017-01-25 国家电投集团西安太阳能电力有限公司 Secondary printing front surface electrode structure of crystal silicon solar battery and manufacturing method of secondary printing front surface electrode structure

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JP3661836B2 (en) * 1999-04-05 2005-06-22 シャープ株式会社 Method of manufacturing a solar cell
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CN202076274U (en) * 2011-06-01 2011-12-14 上海超日太阳能科技股份有限公司 Four-'hui' type positive electrode structure for solar battery
CN202528558U (en) * 2011-12-23 2012-11-14 昆山允升吉光电科技有限公司 Matching metal solar screen for multi-time printing

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JP3661836B2 (en) * 1999-04-05 2005-06-22 シャープ株式会社 Method of manufacturing a solar cell
JP2001044459A (en) * 1999-07-29 2001-02-16 Kyocera Corp Solar battery
JP2002353477A (en) * 2001-05-29 2002-12-06 Kyocera Corp Solar battery element and production method therefor
US20050194037A1 (en) * 2003-10-08 2005-09-08 Sharp Kabushiki Kaisha Method of manufacturing solar cell and solar cell manufactured thereby
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CN104129183A (en) * 2014-08-06 2014-11-05 中利腾晖光伏科技有限公司 Method of printing obverse-side electrode of solar battery piece
CN106356414A (en) * 2016-10-26 2017-01-25 国家电投集团西安太阳能电力有限公司 Secondary printing front surface electrode structure of crystal silicon solar battery and manufacturing method of secondary printing front surface electrode structure
CN106356414B (en) * 2016-10-26 2018-01-02 西安电子科技大学 A crystalline silicon solar cell and the second printing method of manufacturing a front electrode structure

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