TW201431107A - Solar cell module and method for manufacturing same - Google Patents
Solar cell module and method for manufacturing same Download PDFInfo
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- TW201431107A TW201431107A TW102140552A TW102140552A TW201431107A TW 201431107 A TW201431107 A TW 201431107A TW 102140552 A TW102140552 A TW 102140552A TW 102140552 A TW102140552 A TW 102140552A TW 201431107 A TW201431107 A TW 201431107A
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- bus bar
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- bar wiring
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- 238000000034 method Methods 0.000 title claims description 31
- 238000004519 manufacturing process Methods 0.000 title description 2
- 239000000463 material Substances 0.000 claims abstract description 48
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 abstract 1
- 239000010409 thin film Substances 0.000 abstract 1
- 239000000758 substrate Substances 0.000 description 14
- 238000007650 screen-printing Methods 0.000 description 11
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 4
- 239000004332 silver Substances 0.000 description 4
- 239000007772 electrode material Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/0224—Electrodes
- H01L31/022408—Electrodes for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/022425—Electrodes for devices characterised by at least one potential jump barrier or surface barrier for solar cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Microelectronics & Electronic Packaging (AREA)
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- Condensed Matter Physics & Semiconductors (AREA)
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- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Photovoltaic Devices (AREA)
Abstract
Description
本發明係關於一種太陽能電池模組及其製造方法。尤其係關於太陽能電池元件表面之匯流排配線形成。 The present invention relates to a solar cell module and a method of fabricating the same. In particular, the bus bar wiring is formed on the surface of the solar cell element.
作為本技術領域之背景技術，存在日本專利特開2005-353851號公報(專利文獻1)。該公報中，記載有網版印刷法作為太陽能電池元件表面之配線圖案形成方法。又，存在日本專利特開2011-198982號公報(專利文獻2)。該公報中，記載有使圖案形成材料自具有1個部位之噴出口之噴嘴噴出之方法作為太陽能電池元件表面之匯流排配線圖案形成方法。 Japanese Patent Laid-Open Publication No. 2005-353851 (Patent Document 1) is known. In this publication, a screen printing method is described as a wiring pattern forming method on the surface of a solar cell element. Further, Japanese Patent Laid-Open Publication No. 2011-198982 (Patent Document 2) is known. In this publication, a method of forming a pattern forming material from a nozzle having a discharge port of one portion as a bus bar wiring pattern on the surface of a solar cell element is described.
[專利文獻1]日本專利特開2005-353851號公報 [Patent Document 1] Japanese Patent Laid-Open Publication No. 2005-353851
[專利文獻2]日本專利特開2011-198982號公報 [Patent Document 2] Japanese Patent Laid-Open Publication No. 2011-198982
於使用如上述專利文獻1記載之網版印刷法形成配線之情形時，存在印刷過程中因刮漿板之印壓而太陽能電池元件破裂之情形，成為良率降低之主要原因。又，網版印刷版必須定期地洗淨．更換，成為成本上升之主要原因。 When the wiring is formed by the screen printing method described in Patent Document 1, the solar cell element is broken due to the printing of the squeegee during the printing process, and the yield is lowered. Also, the screen printing version must be washed regularly. Replacement is the main reason for the increase in costs.
另一方面，於如上述專利文獻2記載般使用噴嘴形成配線之情形 時，由於在噴嘴與太陽能電池元件為非接觸之狀態下形成配線，故而無上述網版印刷法中之元件之破裂。又，亦抑制起因於如網版印刷版之洗淨、更換之消耗品之成本。然而，於利用上述專利文獻2記載之方法形成匯流排配線之情形時，匯流排配線圖案之配線寬度係自具有一個部位之噴出口之噴嘴噴出，故而難以使匯流排配線之膜厚變薄，並且如圖1所示匯流排配線形成開始至結束為止之期間成為固定寬度。 On the other hand, in the case where the nozzle is used to form wiring as described in the above Patent Document 2 At this time, since the wiring is formed in a state where the nozzle and the solar cell element are not in contact with each other, the element in the screen printing method is not broken. Moreover, the cost of consumables resulting from the cleaning and replacement of the screen printing plate is also suppressed. However, when the bus bar wiring is formed by the method described in the above Patent Document 2, the wiring width of the bus bar wiring pattern is ejected from the nozzle having the ejection port of one portion, so that it is difficult to make the thickness of the bus bar wiring thin. Further, the period from the start to the end of the formation of the bus bar wiring as shown in FIG. 1 becomes a fixed width.
另一方面，於使用網版印刷法形成配線之情形時，為了使匯流排配線所使用之材料之使用量減少而存在圖2所示之圖案形狀。 On the other hand, in the case where wiring is formed by the screen printing method, the pattern shape shown in FIG. 2 exists in order to reduce the amount of material used for the bus bar wiring.
因此，本發明提供一種一面使用噴嘴一面使匯流排配線所使用之材料之使用量減少之匯流排配線形狀與配線形成方法。 Therefore, the present invention provides a bus bar wiring shape and a wiring forming method for reducing the amount of material used for the bus bar wiring while using the nozzle.
為了解決上述問題，本發明之特徵在於使用具有複數個噴出口之噴嘴形成匯流排配線。 In order to solve the above problems, the present invention is characterized in that a bus bar wiring is formed using a nozzle having a plurality of discharge ports.
根據本發明，可提供一種於使用噴嘴之匯流排配線之形成中使匯流排配線所使用之材料之使用量減少之匯流排配線形狀與配線形成方法。 According to the present invention, it is possible to provide a bus bar wiring shape and a wiring forming method for reducing the amount of use of the material used for the bus bar wiring in the formation of the bus bar wiring using the nozzle.
1‧‧‧太陽能電池元件基板 1‧‧‧Solar battery element substrate
2‧‧‧指狀配線 2‧‧‧ finger wiring
3‧‧‧藉由具有1個部位之噴出口之噴嘴而形成之匯流排配線 3‧‧‧ Busbar wiring formed by a nozzle having a discharge port of one location
4‧‧‧藉由印刷法而形成之匯流排配線 4‧‧‧ Busbar wiring formed by printing method
5‧‧‧調節器 5‧‧‧Regulator
6‧‧‧匯流排配線材料槽 6‧‧‧ Busbar wiring material slot
7‧‧‧匯流排配線材料 7‧‧‧ Busbar wiring materials
8‧‧‧配管 8‧‧‧Pipe
9‧‧‧閥門 9‧‧‧ Valve
10‧‧‧噴嘴 10‧‧‧ nozzle
11‧‧‧匯流排配線材料蓄積空間 11‧‧‧ Busbar wiring material accumulation space
12、12a、12b、12c、12d、12e‧‧‧匯流排配線 12, 12a, 12b, 12c, 12d, 12e‧ ‧ bus bar wiring
13、13a、13b、13c、13d、13e‧‧‧噴出口 13, 13a, 13b, 13c, 13d, 13e‧‧ ‧ spout
14‧‧‧與噴嘴之前進方向平行之噴出口之切線 14‧‧‧ Tangent to the discharge port parallel to the forward direction of the nozzle
14a、14b、14c、14d‧‧‧切線 14a, 14b, 14c, 14d‧‧‧ tangent
15‧‧‧複數個噴出口所共用之切線 15‧‧‧ tangent shared by multiple jets
圖1係表示先前技術中之藉由具有1個部位之噴出口之噴嘴而形成之匯流排配線圖案之一例之圖。 Fig. 1 is a view showing an example of a bus bar wiring pattern formed by a nozzle having a discharge port of one portion in the prior art.
圖2係表示藉由網版印刷法而形成之匯流排配線圖案之一例之圖。 Fig. 2 is a view showing an example of a bus bar wiring pattern formed by a screen printing method.
圖3係實施例1中之匯流排配線形成裝置之構成圖之例。 Fig. 3 is a view showing an example of a configuration diagram of a bus bar wiring forming device in the first embodiment.
圖4(a)、(b)係表示實施例1中之噴嘴之噴出口配置與匯流排配線剖面形狀之圖。 4(a) and 4(b) are views showing the discharge port arrangement of the nozzle and the cross-sectional shape of the bus bar wiring in the first embodiment.
圖5係表示藉由實施例1中之方法而形成之匯流排配線圖案之圖。 Fig. 5 is a view showing a bus bar wiring pattern formed by the method of the first embodiment.
圖6(a)、(b)係表示實施例1中之噴嘴之噴出口配置之變化例與匯流排配線剖面形狀之圖。 Figs. 6(a) and 6(b) are views showing a modification of the discharge port arrangement of the nozzle and a cross-sectional shape of the bus bar wiring in the first embodiment.
圖7(a)、(b)係表示實施例1中之噴嘴之噴出口配置之又一變化例與匯流排配線剖面形狀之圖。 Figs. 7(a) and 7(b) are views showing still another modification of the discharge port arrangement of the nozzle in the first embodiment and a sectional shape of the bus bar wiring.
圖8(a)、(b)係表示實施例2中之噴嘴之噴出口配置與匯流排配線剖面形狀之圖。 8(a) and 8(b) are views showing the discharge port arrangement of the nozzle and the cross-sectional shape of the bus bar wiring in the second embodiment.
圖9係表示藉由實施例2中之方法而形成之匯流排配線圖案之圖。 Fig. 9 is a view showing a bus bar wiring pattern formed by the method of the second embodiment.
圖10(a)、(b)係表示實施例3中之噴嘴之噴出口配置與匯流排配線剖面形狀之圖。 Figs. 10(a) and 10(b) are views showing the discharge port arrangement of the nozzle and the cross-sectional shape of the bus bar wiring in the third embodiment.
圖11係表示藉由實施例3中之方法而形成之匯流排配線圖案之圖。 Fig. 11 is a view showing a bus bar wiring pattern formed by the method of the third embodiment.
圖12(a)、(b)係表示實施例4中之噴嘴之噴出口配置與匯流排配線剖面形狀之圖。 Figs. 12(a) and (b) are views showing the discharge port arrangement of the nozzle and the cross-sectional shape of the bus bar wiring in the fourth embodiment.
以下，使用圖式對實施例進行說明。 Hereinafter, the embodiment will be described using the drawings.
本實施例中，對使用具有複數個噴出口之噴嘴於太陽能電池元件基板形成匯流排配線之方法進行說明。 In the present embodiment, a method of forming a bus bar wiring on a solar cell element substrate using a nozzle having a plurality of ejection ports will be described.
圖3係本實施例之匯流排配線形成裝置之構成圖之例。 Fig. 3 is a view showing an example of a configuration diagram of a bus bar wiring forming apparatus of the present embodiment.
圖3之匯流排配線形成裝置具備調節器5、匯流排配線材料槽6、配管8、閥門9、噴嘴10、匯流排配線材料蓄積空間11、及噴出口13。 The bus bar wiring forming device of FIG. 3 includes a regulator 5, a bus bar wiring material groove 6, a pipe 8, a valve 9, a nozzle 10, a bus bar wiring material storage space 11, and a discharge port 13.
匯流排配線材料7蓄積於匯流排配線材料槽6中，通過配管8被供給至噴嘴10。於匯流排配線材料槽6上經由調節器5而連接有高壓氣 體，藉由調節器5而控制匯流排配線材料槽6內之壓力，並控制向噴嘴10之匯流排配線材料供給速度。閥門9設置於配管8之中途，且進行向噴嘴10供給匯流排配線材料之打開/關閉控制。 The bus bar wiring material 7 is stored in the bus bar wiring material groove 6 and is supplied to the nozzle 10 through the pipe 8 . High-pressure gas is connected to the bus bar material groove 6 via the regulator 5 The body controls the pressure in the bus bar material groove 6 by the regulator 5, and controls the supply speed of the bus bar material to the nozzle 10. The valve 9 is provided in the middle of the pipe 8, and the opening/closing control of supplying the bus bar wiring material to the nozzle 10 is performed.
再者，本實施例中，作為電極材料供給機構，對藉由高壓氣體之壓送與藉由閥門驅動而進行之噴出控制進行了記載，但並不限定於此，可使用缸泵(cylinder pump)、莫諾泵(mono pump)、活塞泵(piston pump)、柱塞泵(plunger pump)、隔膜泵(diaphram pump)、往復泵(reciprocating pump)等各種液送泵。 Further, in the present embodiment, as the electrode material supply means, the pressure control by the high pressure gas and the discharge control by the valve are described. However, the present invention is not limited thereto, and a cylinder pump may be used. ), a mono pump, a piston pump, a plunger pump, a diaphram pump, a reciprocating pump, and the like.
圖4表示本實施例中之噴嘴10之噴出口13之配置圖與形成於太陽能電池元件基板1上之匯流排配線12之剖面形狀。匯流排配線材料7使用網版印刷法中所使用之銀漿材料。又，實施例中，藉由噴出口之直徑為50μm且具有40個部位之噴出口之噴嘴而形成2000μm寬度之匯流排配線12，但圖4中，簡易地利用具有5個部位之噴出口之噴嘴對本實施例進行說明。又，本實施例中，於形成指狀配線2之後形成匯流排配線12，但亦可於形成匯流排配線12之後形成指狀配線2。圖4(a)係表示關於在形成匯流排配線12時配置於太陽能電池元件基板1側之噴出口13，相對於噴嘴之前進方向之配置者。噴出口13之配置係配置於為防止加工時對於鄰接之其他噴出口13之變形故而各自之噴出口13不相接觸、且以不帶來加工時之影響之方式自噴出口13之中心至鄰接之噴出口13之中心之距離離開150μm之位置。本實施例中，將鄰接之噴出口13之中心彼此之距離設為150μm，但並不限定於該距離。 4 is a view showing the arrangement of the discharge port 13 of the nozzle 10 and the cross-sectional shape of the bus bar line 12 formed on the solar cell element substrate 1 in the present embodiment. The bus bar wiring material 7 uses a silver paste material used in the screen printing method. Further, in the embodiment, the bus bar wiring 12 having a width of 2000 μm is formed by a nozzle having a discharge port having a diameter of 50 μm and having a discharge port of 40 parts. However, in Fig. 4, a discharge port having five portions is simply used. This embodiment will be described with respect to the nozzle. Further, in the present embodiment, the bus bar wiring 12 is formed after the finger wiring 2 is formed, but the finger wiring 2 may be formed after the busbar wiring 12 is formed. Fig. 4 (a) shows the arrangement of the discharge port 13 disposed on the side of the solar cell element substrate 1 when the bus bar wiring 12 is formed, with respect to the forward direction of the nozzle. The arrangement of the discharge ports 13 is arranged so as not to contact the respective discharge ports 13 in order to prevent deformation of the adjacent other discharge ports 13 during the processing, and from the center of the discharge port 13 to the adjacent side so as not to affect the processing. The distance from the center of the discharge port 13 is separated by a position of 150 μm. In the present embodiment, the distance between the centers of the adjacent discharge ports 13 is set to 150 μm, but the distance is not limited thereto.
另一方面，為如圖4(b)所示般獲得藉由複數個噴出口13而形成之匯流排配線彼此鄰接之匯流排配線剖面形狀，噴出口13a與13b之切線14a、噴出口13b與13c之切線14b、噴出口13c與13d之切線14c、噴出口13d與13e之切線14d與噴嘴之前進方向平行地配置。 On the other hand, as shown in Fig. 4(b), the busbar wiring cross-sectional shape in which the busbar wirings formed by the plurality of discharge ports 13 are adjacent to each other is obtained, and the tangent 14a and the discharge port 13b of the discharge ports 13a and 13b are The tangent 14b of 13c, the tangent 14c of the discharge ports 13c and 13d, and the tangent 14d of the discharge ports 13d and 13e are arranged in parallel with the advance direction of the nozzle.
圖5係本實施例中形成之匯流排配線之圖案。自圖4之噴出口13a 噴出之匯流排配線對應於圖5之匯流排配線12a，同樣地自圖4之噴出口13b噴出之匯流排配線對應於圖5之匯流排配線12b，自圖4之噴出口13c噴出之匯流排配線對應於圖5之匯流排配線12c，自圖4之噴出口13d噴出之匯流排配線對應於圖5之匯流排配線12d，自圖4之噴出口13e噴出之匯流排配線對應於圖5之匯流排配線12e。圖4所示之複數個噴出口所共用之切線15對應於圖5中之匯流排配線12之始終端之圖案形狀。 Fig. 5 is a pattern of bus bar wiring formed in this embodiment. From the discharge port 13a of Fig. 4 The bus bar wiring that is ejected corresponds to the bus bar wiring 12a of FIG. 5, and the bus bar wiring that is ejected from the ejection port 13b of FIG. 4 similarly corresponds to the bus bar wiring 12b of FIG. 5, and the busbar that is ejected from the ejection port 13c of FIG. The wiring corresponds to the bus bar wiring 12c of FIG. 5, the bus bar wiring discharged from the ejection port 13d of FIG. 4 corresponds to the bus bar wiring 12d of FIG. 5, and the busbar wiring discharged from the ejection port 13e of FIG. 4 corresponds to FIG. Bus bar wiring 12e. The tangent 15 shared by the plurality of ejection ports shown in Fig. 4 corresponds to the pattern shape of the end of the bus bar wiring 12 in Fig. 5.
圖6及圖7係表示本實施例之變化例者。 6 and 7 show a modification of this embodiment.
於圖6(a)中，與噴出口13a之噴嘴之前進方向平行之切線14a以噴出口13b之外周具有2個交點且重疊之方式而配置。同樣地，與噴出口13b之噴嘴10之前進方向平行之切線14b以噴出口13c之外周具有2個交點且重疊之方式而配置。以下，其他噴出口13亦同樣地配置。圖6(b)係表示藉由該噴出口13之配置而獲得之匯流排配線12之剖面形狀者。匯流排配線12a與匯流排配線12b重合而形成，同樣地匯流排配線12b與匯流排配線12c重合而形成。以下，同樣地匯流排配線12與鄰接之其他匯流排配線12重合而形成。 In Fig. 6(a), the tangent 14a parallel to the forward direction of the nozzle of the discharge port 13a is disposed so as to have two intersections on the outer circumference of the discharge port 13b. Similarly, the tangent 14b parallel to the forward direction of the nozzle 10 of the discharge port 13b is disposed so as to have two intersections on the outer circumference of the discharge port 13c. Hereinafter, the other discharge ports 13 are also arranged in the same manner. Fig. 6(b) shows the cross-sectional shape of the bus bar wiring 12 obtained by the arrangement of the discharge ports 13. The bus bar wiring 12a is formed to overlap with the bus bar wiring 12b, and similarly, the bus bar wiring 12b and the bus bar wiring 12c are superposed. Hereinafter, the bus bar wiring 12 is formed in the same manner as the other bus bar wirings 12 adjacent thereto.
於圖7(a)中，與噴出口13a之噴嘴之前進方向平行之切線14a以不與噴出口13b之外周具有交點之方式而配置。同樣地，與噴出口13b之噴嘴10之前進方向平行之切線14b以不與噴出口13c之外周具有交點之方式而配置。以下，其他噴出口13亦同樣地配置。圖7(b)係表示藉由該噴出口13之配置而獲得之匯流排配線12之剖面形狀者。匯流排配線12a與匯流排配線12b不重合而形成，同樣地匯流排配線12b與匯流排配線12c不重合而形成。以下，同樣地匯流排配線12與鄰接之其他匯流排配線12不重合而形成。 In Fig. 7(a), the tangent 14a parallel to the forward direction of the nozzle of the discharge port 13a is disposed so as not to have an intersection with the outer circumference of the discharge port 13b. Similarly, the tangent 14b parallel to the forward direction of the nozzle 10 of the discharge port 13b is disposed so as not to have an intersection with the outer circumference of the discharge port 13c. Hereinafter, the other discharge ports 13 are also arranged in the same manner. Fig. 7(b) shows the cross-sectional shape of the bus bar wiring 12 obtained by the arrangement of the discharge ports 13. The bus bar wiring 12a and the bus bar wiring 12b are formed without overlapping, and similarly, the bus bar wiring 12b and the bus bar wiring 12c are not overlapped. Hereinafter, similarly, the bus bar wiring 12 and the adjacent bus bar wirings 12 are not overlapped.
根據本實施例，可提供於使用噴嘴而形成匯流排配線時減少匯流排配線所使用之材料之使用量之匯流排配線形狀與配線形成方法。 According to the present embodiment, it is possible to provide a bus bar wiring shape and a wiring forming method for reducing the amount of use of the material used for the bus bar wiring when the bus bar wiring is formed using the nozzle.
本實施例中，對使用具有複數個噴出口13之噴嘴10於太陽能電池元件基板1上形成具有與上述第1實施例不同之匯流排配線圖案之匯流排配線12之方法進行說明。 In the present embodiment, a method of forming the bus bar wiring 12 having the bus bar wiring pattern different from that of the above-described first embodiment on the solar cell element substrate 1 using the nozzle 10 having a plurality of ejection ports 13 will be described.
圖3係本實施例之匯流排配線形成裝置之構成圖之例。圖3之匯流排配線形成裝置具備調節器5、匯流排配線材料槽6、配管8、閥門9、噴嘴10、匯流排配線材料蓄積空間11、及噴出口13。 Fig. 3 is a view showing an example of a configuration diagram of a bus bar wiring forming apparatus of the present embodiment. The bus bar wiring forming device of FIG. 3 includes a regulator 5, a bus bar wiring material groove 6, a pipe 8, a valve 9, a nozzle 10, a bus bar wiring material storage space 11, and a discharge port 13.
匯流排配線材料7蓄積於匯流排配線材料槽6中，通過配管8被供給至噴嘴10。於匯流排配線材料槽6上經由調節器5而連接有高壓氣體，藉由調節器5而控制匯流排配線材料槽6內之壓力，並控制向噴嘴10之匯流排配線材料供給速度。閥門9設置於配管8之中途，且進行向噴嘴10供給匯流排配線材料之打開/關閉控制。 The bus bar wiring material 7 is stored in the bus bar wiring material groove 6 and is supplied to the nozzle 10 through the pipe 8 . High-pressure gas is connected to the bus bar material groove 6 via the regulator 5, and the pressure in the bus bar material groove 6 is controlled by the regulator 5, and the supply speed of the bus bar material to the nozzle 10 is controlled. The valve 9 is provided in the middle of the pipe 8, and the opening/closing control of supplying the bus bar wiring material to the nozzle 10 is performed.
再者，本實施例中，作為電極材料供給機構，對藉由高壓氣體之壓送與藉由閥門驅動而進行之噴出控制進行了記載，但並不限定於此，可使用缸泵、莫諾泵、活塞泵、柱塞泵、隔膜泵、往復泵等各種液送泵。 In the present embodiment, as the electrode material supply means, the pressure control by the high pressure gas and the discharge control by the valve drive are described. However, the present invention is not limited thereto, and a cylinder pump or a Mono pump can be used. Various pumping pumps, such as pumps, piston pumps, plunger pumps, diaphragm pumps, and reciprocating pumps.
圖8表示本實施例中之噴嘴10之噴出口13之配置圖與形成於太陽能電池元件基板1上之匯流排配線12之剖面形狀。匯流排配線材料7使用網版印刷法中所使用之銀漿材料。又，實施例中，藉由噴出口之直徑為50μm且具有40個部位之噴出口之噴嘴而形成2000μm寬度之匯流排配線12，但圖8中，簡易地利用具有5個部位之噴出口之噴嘴對本實施例進行說明。又，本實施例中，於形成指狀配線2之後形成匯流排配線12，但亦可於形成匯流排配線12之後形成指狀配線2。圖8(a)係表示關於在形成匯流排配線12時配置於太陽能電池元件基板1側之噴出口13，相對於噴嘴之前進方向之配置者。噴出口13之配置係配置於為防止加工時對於鄰接之其他噴出口13之變形故而各自之噴出口13不 相接觸、且以不帶來加工時之影響之方式自噴出口13之中心至鄰接之噴出口13之中心之距離離開150μm之位置。本實施例中，將鄰接之噴出口13之中心彼此之距離設為150μm，但並不限定於該距離。 Fig. 8 is a view showing the arrangement of the discharge port 13 of the nozzle 10 and the cross-sectional shape of the bus bar line 12 formed on the solar cell element substrate 1 in the present embodiment. The bus bar wiring material 7 uses a silver paste material used in the screen printing method. Further, in the embodiment, the bus bar wiring 12 having a width of 2000 μm is formed by a nozzle having a discharge port having a diameter of 50 μm and having a discharge port of 40 parts. However, in Fig. 8, a discharge port having five portions is simply used. This embodiment will be described with respect to the nozzle. Further, in the present embodiment, the bus bar wiring 12 is formed after the finger wiring 2 is formed, but the finger wiring 2 may be formed after the busbar wiring 12 is formed. (a) of FIG. 8 is a view showing the arrangement of the discharge port 13 disposed on the side of the solar cell element substrate 1 when the bus bar wiring 12 is formed, with respect to the forward direction of the nozzle. The arrangement of the discharge ports 13 is disposed so as to prevent the deformation of the other discharge ports 13 adjacent to each other during processing, so that the respective discharge ports 13 are not The distance from the center of the discharge port 13 to the center of the adjacent discharge port 13 is separated from the center of the discharge port 13 by a distance of 150 μm without causing the influence of the processing. In the present embodiment, the distance between the centers of the adjacent discharge ports 13 is set to 150 μm, but the distance is not limited thereto.
另一方面，為如圖8(b)所示般獲得藉由複數個噴出口13而形成之匯流排配線彼此鄰接之匯流排配線剖面形狀，噴出口13a與13b之切線14a、噴出口13b與13c之切線14b、噴出口13c與13d之切線14c、噴出口13d與13e之切線14d與噴嘴之前進方向平行地配置。 On the other hand, as shown in Fig. 8(b), the cross-sectional shape of the bus bar wiring adjacent to each other by the plurality of discharge ports 13 is obtained, and the tangent 14a and the discharge port 13b of the discharge ports 13a and 13b are The tangent 14b of 13c, the tangent 14c of the discharge ports 13c and 13d, and the tangent 14d of the discharge ports 13d and 13e are arranged in parallel with the advance direction of the nozzle.
圖9係本實施例中形成之匯流排配線之圖案。自圖8之噴出口13a噴出之匯流排配線對應於圖9之匯流排配線12a，同樣地自圖8之噴出口13b噴出之匯流排配線對應於圖9之匯流排配線12b，自圖8之噴出口13c噴出之匯流排配線對應於圖9之匯流排配線12c，自圖8之噴出口13d噴出之匯流排配線對應於圖9之匯流排配線12d，自圖8之噴出口13e噴出之匯流排配線對應於圖9之匯流排配線12e。圖9中之匯流排配線12之始終端之圖案形狀對應於圖8之噴出口13之配置。 Fig. 9 is a pattern of bus bar wiring formed in this embodiment. The bus bar wiring discharged from the ejection port 13a of Fig. 8 corresponds to the bus bar wiring 12a of Fig. 9, and the bus bar wiring discharged from the ejection port 13b of Fig. 8 correspondingly corresponds to the bus bar wiring 12b of Fig. 9, from Fig. 8 The bus bar wiring discharged from the ejection port 13c corresponds to the bus bar wiring 12c of Fig. 9, and the bus bar wiring discharged from the ejection port 13d of Fig. 8 corresponds to the bus bar wiring 12d of Fig. 9, and the bustling port 13e is ejected from the ejection port 13e of Fig. 8. The wiring line corresponds to the bus bar wiring 12e of FIG. The pattern shape of the end of the bus bar wiring 12 in Fig. 9 corresponds to the configuration of the discharge port 13 of Fig. 8.
根據本實施例，可提供於使用噴嘴而形成匯流排配線時減少匯流排配線所使用之材料之使用量之匯流排配線形狀與配線形成方法。 According to the present embodiment, it is possible to provide a bus bar wiring shape and a wiring forming method for reducing the amount of use of the material used for the bus bar wiring when the bus bar wiring is formed using the nozzle.
本實施例中，對使用具有複數個噴出口13之噴嘴10於太陽能電池元件基板1形成具有與上述第1實施例不同之匯流排配線圖案之匯流排配線12之方法進行說明。 In the present embodiment, a method of forming the bus bar wiring 12 having the bus bar wiring pattern different from that of the above-described first embodiment in the solar cell element substrate 1 using the nozzle 10 having the plurality of ejection ports 13 will be described.
圖3係本實施例之匯流排配線形成裝置之構成圖之例。圖3之匯流排配線形成裝置具備調節器5、匯流排配線材料槽6、配管8、閥門9、噴嘴10、匯流排配線材料蓄積空間11、及噴出口13。 Fig. 3 is a view showing an example of a configuration diagram of a bus bar wiring forming apparatus of the present embodiment. The bus bar wiring forming device of FIG. 3 includes a regulator 5, a bus bar wiring material groove 6, a pipe 8, a valve 9, a nozzle 10, a bus bar wiring material storage space 11, and a discharge port 13.
匯流排配線材料7蓄積於匯流排配線材料槽6中，通過配管8被供給至噴嘴10。於匯流排配線材料槽6上經由調節器5而連接有高壓氣體，藉由調節器5而控制匯流排配線材料槽6內之壓力，並控制向噴嘴 10之匯流排配線材料供給速度。閥門9設置於配管8之中途，且進行向噴嘴10供給匯流排配線材料之打開/關閉控制。 The bus bar wiring material 7 is stored in the bus bar wiring material groove 6 and is supplied to the nozzle 10 through the pipe 8 . High-pressure gas is connected to the bus bar material groove 6 via the regulator 5, and the pressure in the bus bar material groove 6 is controlled by the regulator 5, and the nozzle is controlled. 10 bus bar wiring material supply speed. The valve 9 is provided in the middle of the pipe 8, and the opening/closing control of supplying the bus bar wiring material to the nozzle 10 is performed.
再者，本實施例中，作為電極材料供給機構，對藉由高壓氣體之壓送與藉由閥門驅動而進行之噴出控制進行了記載，但並不限定於此，可使用缸泵、莫諾泵、活塞泵、柱塞泵、隔膜泵、往復泵等各種液送泵。 In the present embodiment, as the electrode material supply means, the pressure control by the high pressure gas and the discharge control by the valve drive are described. However, the present invention is not limited thereto, and a cylinder pump or a Mono pump can be used. Various pumping pumps, such as pumps, piston pumps, plunger pumps, diaphragm pumps, and reciprocating pumps.
圖10表示本實施例中之噴嘴10之噴出口13之配置圖與形成於太陽能電池元件基板1上之匯流排配線12之剖面形狀。匯流排配線材料7使用網版印刷法中所使用之銀漿材料。又，實施例中，藉由噴出口之直徑為50μm且具有40個部位之噴出口之噴嘴而形成2000μm寬度之匯流排配線12，但圖10中，簡易地利用具有5個部位之噴出口之噴嘴對本實施例進行說明。又，本實施例中，於形成指狀配線2之後形成匯流排配線12，但亦可於形成匯流排配線12之後形成指狀配線2。圖10(a)係表示關於在形成匯流排配線12時配置於太陽能電池元件基板1側之噴出口13，相對於噴嘴之前進方向之配置者。噴出口13之配置係配置於為防止加工時對於鄰接之其他噴出口13之變形故而各自之噴出口13不相接觸、且以不帶來加工時之影響之方式自噴出口13之中心至鄰接之噴出口13之中心之距離離開150μm之位置。本實施例中，將鄰接之噴出口13之中心彼此之距離設為150μm，但並不限定於該距離。 Fig. 10 is a view showing the arrangement of the discharge port 13 of the nozzle 10 and the cross-sectional shape of the bus bar line 12 formed on the solar cell element substrate 1 in the present embodiment. The bus bar wiring material 7 uses a silver paste material used in the screen printing method. Further, in the embodiment, the bus bar wiring 12 having a width of 2000 μm is formed by a nozzle having a discharge port having a diameter of 50 μm and having a discharge port of 40 parts. However, in Fig. 10, a discharge port having five portions is simply used. This embodiment will be described with respect to the nozzle. Further, in the present embodiment, the bus bar wiring 12 is formed after the finger wiring 2 is formed, but the finger wiring 2 may be formed after the busbar wiring 12 is formed. Fig. 10 (a) shows the arrangement of the discharge port 13 disposed on the side of the solar cell element substrate 1 when the bus bar wiring 12 is formed, with respect to the forward direction of the nozzle. The arrangement of the discharge ports 13 is arranged so as not to contact the respective discharge ports 13 in order to prevent deformation of the adjacent other discharge ports 13 during the processing, and from the center of the discharge port 13 to the adjacent side so as not to affect the processing. The distance from the center of the discharge port 13 is separated by a position of 150 μm. In the present embodiment, the distance between the centers of the adjacent discharge ports 13 is set to 150 μm, but the distance is not limited thereto.
另一方面，為如圖10(b)所示般獲得藉由複數個噴出口13而形成之匯流排配線彼此鄰接之匯流排配線剖面形狀，噴出口13a與13b之切線14a、噴出口13b與13c之切線14b、噴出口13c與13d之切線14c、噴出口13d與13e之切線14d與噴嘴之前進方向平行地配置。 On the other hand, as shown in Fig. 10 (b), the cross-sectional shape of the bus bar wiring adjacent to each other by the plurality of discharge ports 13 is obtained, and the tangent 14a and the discharge port 13b of the discharge ports 13a and 13b are The tangent 14b of 13c, the tangent 14c of the discharge ports 13c and 13d, and the tangent 14d of the discharge ports 13d and 13e are arranged in parallel with the advance direction of the nozzle.
圖11係本實施例中形成之匯流排配線之圖案。自圖10之噴出口13a噴出之匯流排配線對應於圖11之匯流排配線12a，同樣地自圖10之噴出口13b噴出之匯流排配線對應於圖11之匯流排配線12b，自圖10之 噴出口13c噴出之匯流排配線對應於圖11之匯流排配線12c，自圖10之噴出口13d噴出之匯流排配線對應於圖11之匯流排配線12d，自圖10之噴出口13e噴出之匯流排配線對應於圖11之匯流排配線12e。圖11中之匯流排配線12之始終端之圖案形狀對應於圖10之噴出口13之配置。 Figure 11 is a pattern of bus bar wiring formed in this embodiment. The bus bar wiring discharged from the ejection port 13a of Fig. 10 corresponds to the bus bar wiring 12a of Fig. 11, and the bus bar wiring discharged from the ejection port 13b of Fig. 10 similarly corresponds to the bus bar wiring 12b of Fig. 11, from Fig. 10 The bus bar wiring discharged from the ejection port 13c corresponds to the bus bar wiring 12c of Fig. 11, and the bus bar wiring discharged from the ejection port 13d of Fig. 10 corresponds to the bus bar wiring 12d of Fig. 11, and the confluence jetted from the ejection port 13e of Fig. 10 The wiring line corresponds to the bus bar wiring 12e of FIG. The pattern shape of the end of the bus bar wiring 12 in Fig. 11 corresponds to the configuration of the discharge port 13 of Fig. 10.
根據本實施例，可提供於使用噴嘴而形成匯流排配線時減少匯流排配線所使用之材料之使用量之匯流排配線形狀與配線形成方法。 According to the present embodiment, it is possible to provide a bus bar wiring shape and a wiring forming method for reducing the amount of use of the material used for the bus bar wiring when the bus bar wiring is formed using the nozzle.
本實施例中，使用圖12說明使用具有複數個噴出口13之噴嘴10於太陽能電池元件基板1形成具有匯流排配線圖案之匯流排配線12之方法作為上述之變化之一例。 In the present embodiment, a method of forming the bus bar wiring 12 having the bus bar wiring pattern on the solar cell element substrate 1 using the nozzles 10 having a plurality of ejection ports 13 as an example of the above variation will be described with reference to FIG.
圖12表示本實施例中之噴嘴10之噴出口13之配置圖與形成於太陽能電池元件基板1上之匯流排配線12之剖面形狀。匯流排配線材料7使用網版印刷法中所使用之銀漿材料。又，實施例中，藉由噴出口之直徑為50μm且具有40個部位之噴出口之噴嘴而形成2000μm寬度之匯流排配線12，但圖12中，簡易地利用具有24個部位之噴出口之噴嘴對本實施例進行說明。又，本實施例中，於形成指狀配線2之後形成匯流排配線12，但亦可於形成匯流排配線12之後形成指狀配線2。 Fig. 12 is a view showing the arrangement of the discharge port 13 of the nozzle 10 and the cross-sectional shape of the bus bar line 12 formed on the solar cell element substrate 1 in the present embodiment. The bus bar wiring material 7 uses a silver paste material used in the screen printing method. Further, in the embodiment, the bus bar wiring 12 having a width of 2000 μm is formed by a nozzle having a discharge port having a diameter of 50 μm and having a discharge port of 40 parts. However, in Fig. 12, a discharge port having 24 portions is simply used. This embodiment will be described with respect to the nozzle. Further, in the present embodiment, the bus bar wiring 12 is formed after the finger wiring 2 is formed, but the finger wiring 2 may be formed after the busbar wiring 12 is formed.
圖12(a)係表示關於在形成匯流排配線12時配置於太陽能電池元件基板1側之噴出口13，相對於噴嘴之前進方向之配置者。噴出口13之配置係配置於為防止加工時對於鄰接之其他噴出口13之變形，各自之噴出口13不相接觸、且以不帶來加工時之影響之方式自噴出口13之中心至鄰接之噴出口13之中心之距離離開200μm以上之位置。本實施例中，將鄰接之噴出口13之中心彼此之距離設為200μm以上，但並不限定於該距離。 Fig. 12 (a) shows the arrangement of the discharge port 13 disposed on the side of the solar cell element substrate 1 when the bus bar wiring 12 is formed, with respect to the forward direction of the nozzle. The arrangement of the discharge ports 13 is arranged to prevent deformation of the adjacent other discharge ports 13 during processing, and the respective discharge ports 13 are not in contact with each other, and from the center of the discharge port 13 to the adjacent side in such a manner as not to affect the processing. The distance from the center of the discharge port 13 is away from a position of 200 μm or more. In the present embodiment, the distance between the centers of the adjacent discharge ports 13 is set to 200 μm or more, but the distance is not limited thereto.
另一方面，為如圖12(b)所示般獲得藉由複數個噴出口13而形成之匯流排配線彼此鄰接之匯流排配線剖面形狀之方式而配置。 On the other hand, as shown in FIG. 12(b), the cross-sectional shape of the bus bar wiring adjacent to each other by the plurality of discharge ports 13 is obtained.
根據本實施例，可提供於使用噴嘴而形成匯流排配線之形成時減少匯流排配線所使用之材料之使用量之匯流排配線形狀與配線形成方法。 According to the present embodiment, it is possible to provide a bus bar wiring shape and a wiring forming method for reducing the amount of use of the material used for the bus bar wiring when forming the bus bar wiring using the nozzle.
1‧‧‧太陽能電池元件基板 1‧‧‧Solar battery element substrate
2‧‧‧指狀配線 2‧‧‧ finger wiring
12a、12b、12c、12d、12e‧‧‧匯流排配線 12a, 12b, 12c, 12d, 12e‧‧‧ bus bar wiring
Claims (8)
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| JP2012260355A JP2014107457A (en) | 2012-11-28 | 2012-11-28 | Solar cell module and process of manufacturing the same |
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| TW201431107A true TW201431107A (en) | 2014-08-01 |
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| TW102140552A TW201431107A (en) | 2012-11-28 | 2013-11-07 | Solar cell module and method for manufacturing same |
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| TW (1) | TW201431107A (en) |
| WO (1) | WO2014084001A1 (en) |
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| WO2017134782A1 (en) * | 2016-02-03 | 2017-08-10 | 三菱電機株式会社 | Solar cell manufacturing method, solar cell, and solar cell manufacturing apparatus |
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| JP4955919B2 (en) * | 2002-09-30 | 2012-06-20 | セイコーエプソン株式会社 | Wiring formation method |
| JP5368022B2 (en) * | 2008-07-17 | 2013-12-18 | 信越化学工業株式会社 | Solar cell |
| JP2012129227A (en) * | 2010-12-13 | 2012-07-05 | Dainippon Screen Mfg Co Ltd | Pattern forming method and pattern forming apparatus |
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2012
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2013
- 2013-11-01 WO PCT/JP2013/079738 patent/WO2014084001A1/en active Application Filing
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| Publication number | Publication date |
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| WO2014084001A1 (en) | 2014-06-05 |
| JP2014107457A (en) | 2014-06-09 |
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