TW201203577A - Solar battery module and manufacturing method thereof - Google Patents

Solar battery module and manufacturing method thereof Download PDF

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Publication number
TW201203577A
TW201203577A TW100118172A TW100118172A TW201203577A TW 201203577 A TW201203577 A TW 201203577A TW 100118172 A TW100118172 A TW 100118172A TW 100118172 A TW100118172 A TW 100118172A TW 201203577 A TW201203577 A TW 201203577A
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Taiwan
Prior art keywords
solar cell
protective cover
electrode
resin
sealing
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TW100118172A
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Chinese (zh)
Inventor
Hiroki Takanashi
Michihiro Takayama
Hiroto Uchida
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Ulvac Inc
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Publication of TW201203577A publication Critical patent/TW201203577A/en

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor 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
    • H01L31/02Details
    • H01L31/02002Arrangements for conducting electric current to or from the device in operations
    • H01L31/02005Arrangements for conducting electric current to or from the device in operations for device characterised by at least one potential jump barrier or surface barrier
    • H01L31/02008Arrangements for conducting electric current to or from the device in operations for device characterised by at least one potential jump barrier or surface barrier for solar cells or solar cell modules
    • H01L31/02013Arrangements for conducting electric current to or from the device in operations for device characterised by at least one potential jump barrier or surface barrier for solar cells or solar cell modules comprising output lead wires elements
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor 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
    • H01L31/04Semiconductor 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 adapted as photovoltaic [PV] conversion devices
    • H01L31/042PV modules or arrays of single PV cells
    • H01L31/048Encapsulation of modules
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/30Electrical components
    • H02S40/34Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
    • 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Photovoltaic Devices (AREA)

Abstract

This solar battery module includes the structure in which a protection cover is provided with an opening and an end of a lead-out electrode is disposed so as to extend to the outside of the protection cover through the opening. Further, a first member is provided so as to seal the surrounding of the end of the lead-out electrode, and the first member consists of resin which has a vapor blockage property.

Description

201203577 六、發明說明: 【發明所屬之技術領域】 本發明係關於太陽電池模組及其製造方法。 本申請案係基於2嶋年5月24日於日本中請之㈣麗 1 18337號主張優先權,此處援用其内容。 【先前技術】 由月匕源之有效利用之觀點而言,近年來正逐漸廣泛地普 遍利用太陽電池。例如利用石夕單晶之太陽電池,每單位面 積之能源轉換效率優良。但,利用石夕單晶之太陽電池係使 用將矽單晶錠切片之矽晶圓,因此錠之製造花費大量能 源’製造成本較高。尤其欲利用石夕單晶製造設於屋外等之 大面積太陽電池時會花費大量成本。 與此相對,利用可更低價製造之非晶質(非結晶)石夕薄膜 之太陽電池正作為低成本之太陽電池普及。 非晶矽太陽電池係使用將接受光時產生電子與電洞 咖⑷之,非晶石夕膜以p型及_石夕膜夾持之稱作咖接合之 層結構半導體膜。非晶⑦太陽電池具備於該半導體膜之兩 面分別形成電極之構成。 接受光產生之電子與電洞藉由p型· n型半導體之電位差 而向特^向移動,此連續重複Μ於半㈣膜兩面 極產生電位差。 电 陽€池例如具備在成文光面側4 玻璃基板上將TCG(透明導電性氧化物)㈣明電極 部電極成膜,於該下部電極之上形成包含非晶砍之半導, 156461.doc 201203577 膜,與成上部電極之Ag薄膜等之構成。如此之具備含上下 電極與半導體膜之光電轉換體之非晶石夕太陽電池,僅藉由 在基板上以大面積均一地成膜各層而電位差較小,又電阻 ㈣加。因此,例如形成將光電轉換體按特定尺寸電性區 劃之區劃元件’將互相鄰接之區劃元件彼此電性連接。具 體言之,在基板上以大面積均一形成之光電轉換體上,以 雷射光等形成稱作劃刻線之槽,形成多數個短條狀之區劃 0 元件’將該區劃元件彼此電性串聯連接。 圖12係顯示先前之太陽電池模組1〇1之概要構成之立體 圖。如圖12所示,先前之一般的太陽電池模組ι〇ι具備於 太陽電池11G之-面接合保護蓋13G之構成。保護蓋13〇係 使用玻璃或氟系樹脂薄膜等。保護蓋13〇經由含eva(乙烯 醋酸乙烯醋共聚物)等密封材131而與太陽電池ιι〇接合。 又,於保濩蓋130上設有保護盒14〇。於保護盒14〇上連接 I輸出用佈線141。保護盒14()以覆蓋用以將由太陽電池 〇 110所產生之電取出之取出電極(圖12中未圖示)之端部之方 式設置。輸出用佈線141在保護盒140内與取出電極電性連 接(例如參照專利文獻U。 ' 圖13係圖12之χι〇ι-χι〇2線之放大剖面圖。如圖13所 - 不,太陽電池110包含透明之玻璃基板111、及形成於玻璃 基板ill之一面之光電轉換體112。光電轉換體112如上述 包含多數個短條狀之區劃元件。於光電轉換體112上配置 有將光電轉換體112所產生之電聚集之集電電極12〇。集電 電極120沿著太陽電池110對向之一對邊分別設置❶集電電 I56461.doc 201203577 極120上連接有將光電轉換體112所產生之電向外部供給之 取出電極121。取出電極121配置於光電轉換體ιΐ2上。取 出電極121之一端121 a與集電電極12〇電性連接。另,在光 電轉換體112與取出電極121間配置有絕緣片122。 保護蓋130以經由密封材131覆蓋太陽電池ιι〇、集電電 極120及取出電極121之方式重疊配置。又,保護蓋η。上 形成有開口部130a。經甴該開口部13〇a,取出電極121之 另一端121b向保護盒140内延伸設置。取出電極ΐ2ι在另一 知121 b與輸出用佈線141電性連接。保護盒丨4〇經由固定構 件142固定於保護蓋13〇上。又,有於保護盒14〇内填充裝 填材143之情形。固定構件142及裝填材143—般係使用密 封劑系樹脂。 後封劑系樹脂一般其水蒸氣透過度較大,即所謂水蒸氣 阻隔性變低。因此,外部大氣中之水蒸氣會通過固定構件 142及裝填材143到達開口部130a,可能使開口部13〇a附近 之密封材1 3 1劣化(所謂變黃)。若密封材13丨劣化,則例如 對於光電轉換體11 2之密封功能喪失,因水蒸氣等之影響 而光電轉換體112劣化、腐蝕,可能產生太陽電池u〇之輪 出下降或壽命減少等之性能下降。 [先前技術文獻] [專利文獻] [專利文獻1]日本特開2000-223728號公報 【發明内容】 [發明所欲解決之問題] 156461 .doc 201203577 本發明係鑑於如此先前之實情而研究者,其目的係提供 一種藉由維持密封材對於光電轉換體之密封功能,從而可 抑制太陽電池之輸出下降或壽命減少等性能下降之太陽電 池模組。 [解決問題之技術手段] 根據本發明,太陽電池模組具備:太陽電池,其於基板 面幵^成有至少以第一電極層、半導體層及第二電極層 Ο201203577 VI. Description of the Invention: [Technical Field of the Invention] The present invention relates to a solar cell module and a method of manufacturing the same. This application claims priority based on (4) Li 1 18337, which was filed in Japan on May 24, 2010. The contents are hereby incorporated. [Prior Art] From the viewpoint of effective use of the source of the moon, the solar cells have been widely used in recent years. For example, using the solar cell of Shi Xi single crystal, the energy conversion efficiency per unit area is excellent. However, the use of the solar cell of Shi Xi single crystal uses a wafer in which a single crystal ingot is sliced, so that the production of the ingot requires a large amount of energy, and the manufacturing cost is high. In particular, it is expensive to use a large-area solar cell installed outside the house by Shi Xi single crystal. On the other hand, a solar cell using an amorphous (non-crystalline) stone film which can be manufactured at a lower price is being popular as a low-cost solar cell. The amorphous germanium solar cell uses a layered semiconductor film called a coffee junction which is formed by electrons and electric holes (4) when light is received, and which is sandwiched between a p-type and a smectite film. The amorphous 7 solar cell has a structure in which electrodes are formed on both surfaces of the semiconductor film. The electrons and holes that receive the light are moved in the direction by the potential difference of the p-type n-type semiconductor, and this continuous repetition produces a potential difference between the two sides of the half (four) film. For example, the electric solar cell has a TCG (transparent conductive oxide) (four) bright electrode portion electrode formed on the surface of the smooth surface side 4, and a semiconducting layer containing amorphous chopping is formed on the lower electrode, 156461.doc 201203577 The film is composed of an Ag film formed as an upper electrode. In such an amorphous solar cell having a photoelectric conversion body including an upper electrode and a semiconductor film, the potential difference is small and resistance (4) is applied only by uniformly forming a film on a large area on a substrate. Therefore, for example, the zoning elements which electrically align the photoelectric conversion body to a specific size are formed, and the contiguous elements adjacent to each other are electrically connected to each other. Specifically, on the photoelectric conversion body which is uniformly formed on a large area on a substrate, a groove called a scribe line is formed by laser light or the like, and a plurality of short strip-shaped sections are formed, and the element is electrically connected in series with each other. connection. Fig. 12 is a perspective view showing a schematic configuration of a prior solar battery module 101. As shown in Fig. 12, the conventional general solar battery module ι〇ι is provided in the surface-shielded protective cover 13G of the solar battery 11G. The protective cover 13 is made of glass or a fluorine resin film. The protective cover 13 is joined to the solar cell via a sealing material 131 such as eva (ethylene vinyl acetate copolymer). Further, a protective case 14 is provided on the cover 130. The I output wiring 141 is connected to the protective case 14A. The protective case 14 () is provided in such a manner as to cover the end portion of the take-out electrode (not shown in Fig. 12) for taking out the electricity generated by the solar battery pack 110. The output wiring 141 is electrically connected to the take-out electrode in the protective case 140 (for example, refer to Patent Document U. Fig. 13 is an enlarged cross-sectional view of the line χι〇ι-χι〇2 of Fig. 12. As shown in Fig. 13 - No, the sun The battery 110 includes a transparent glass substrate 111 and a photoelectric conversion body 112 formed on one surface of the glass substrate ill. The photoelectric conversion body 112 includes a plurality of short strip-shaped partition elements as described above, and photoelectric conversion is disposed on the photoelectric conversion body 112. The collector electrode 12 电 is generated by the body 112. The collector electrode 120 is disposed along one of the opposite sides of the solar cell 110, and is respectively provided with a collector electric power I56461.doc 201203577 The pole 120 is connected to the photoelectric conversion body 112. The extraction electrode 121 is supplied to the outside. The extraction electrode 121 is disposed on the photoelectric conversion body ι 2. The one end 121 a of the extraction electrode 121 is electrically connected to the collector electrode 12 , and is further connected between the photoelectric conversion body 112 and the extraction electrode 121 . The insulating sheet 122 is disposed so as to overlap the solar cell ι, the collector electrode 120, and the take-out electrode 121 via the sealing member 131. Further, the cover η is formed. The opening 130a is formed thereon. The other end 121b of the extraction electrode 121 extends through the opening 13 〇a, and the extraction electrode ΐ2 is electrically connected to the output wiring 141. The protective case 丨4〇 is fixed. The member 142 is fixed to the protective cover 13A. Further, the protective member 14 is filled with the filling material 143. The fixing member 142 and the filling material 143 are generally made of a sealant resin. The post-sealing resin is generally water. The vapor permeability is large, that is, the water vapor barrier property is low. Therefore, the water vapor in the outside atmosphere reaches the opening portion 130a through the fixing member 142 and the filler 143, and the sealing material 13 near the opening portion 13a may be formed. When the sealing material 13 is deteriorated, for example, the sealing function of the photoelectric conversion body 11 2 is lost, and the photoelectric conversion body 112 is deteriorated or corroded by the influence of water vapor or the like, and a solar cell may be generated. [Technical Documents] [Patent Document 1] [Patent Document 1] JP-A-2000-223728 (Summary of the Invention) [Problems to be Solved by the Invention] 156461 .doc 201203577 The present invention has been made in view of such a conventional situation, and an object thereof is to provide a solar battery module capable of suppressing a decrease in output of a solar cell or a decrease in life by maintaining a sealing function of a sealing material for a photoelectric conversion body. [Technical means for solving the problem] According to the present invention, a solar cell module includes: a solar cell having at least a first electrode layer, a semiconductor layer, and a second electrode layer on a substrate surface

之順序重疊之光電轉換體;集電電極,其配置於構成前述 太陽电池之前述第二電極層上;取出電極,其一端與前述 集電電極電性連接,且配置於構成前述太陽電池之前述第 —電極層上;及保護蓋,其以經由密封材覆蓋前述太陽電 池、則述集電電極及前述取出電極之方式重疊配置。又, 則述保4蓋具㈣D部’前述取出電極之另—端通過前述 開口部向前述保護蓋之外側延伸設置。又,設有以密封前 述取出電極之另一端周圍之方式阻塞前述開口部之第—構 件,前述第-構件係具有水蒸氣阻隔性之樹脂。 [發明之效果] 、:據本發明,取出電極之另一端向外側突出之狀態下, 以在封其周圍之方式設置阻塞保護蓋之開α部之第 Ρ藉由設有第—構件,從而不依賴於開口部之大小或开, ’进封光f轉換體之密封㈣向外側突出之取 / 另-端分別配置於由第一構件區劃之各個空間之 可抑制外部大氣中之„經由開口部浸人於密封材内。, 再者,根據本發明’第一構件係具有水蒸氣阻隔性之樹 156461.4 201203577 月曰口此可防止外部大氣中之水蒸氣經由開口部浸入於密 封材内,可防止因與水蒸氣接觸而密封材之劣化。其結 果,根據本發明,可提供一種可维持密封材對於構成太陽 電池之光電轉換體之密封功能,可抑制太陽電池之輸出下 降或壽命減少等性能下降之太陽電池模組。 【實施方式】 以下,針對本發明之太陽電池模組及其製造方法一面 參照附圖詳細說明。另,以下說明所使用之附圖為易於瞭 解本發明之特徵,為方便而有將要部放大顯示之情形,或 改變各構成要素之尺寸比率等之情形。 <第一實施形態> 圖1及圖2係本實施形態之太陽電池模組ia(i)之概要構 成圖,圖1係立體圖,圖2係圖丨之幻^^線之放大剖面圖。 如圖1所示,太陽電池模組^^)具備太陽電池1〇、保護 盖30及保護盒4〇。 太陽電池10成形為大致矩形板狀,由入射之光能產生 電。另,太陽電池10中光之入射面係圖丄中紙面下側之 面。太陽電池10可使用眾所周知之太陽電池。例如可例示 非晶質型、奈米晶體型等,再者可例示薄膜型、串疊型 等,但不限於此等。 保護蓋30係成形為大致矩形板狀之玻璃,經由密封㈣ 全面接合於太陽電池10之背面側(光之入射面之相反側)。 保護蓋30之板厚為3 mm〜5 _。但不限於此。另,保嘆蓋 3〇之材質不限於玻璃’亦可為例如樹脂之板材或薄膜。作 156461.doc 201203577 為曰薄膜’氟系樹脂之薄膜較佳。&,保護蓋亦 以氟系樹脂之薄膜夾持Α1薄膜而構成之蓋。a photoelectric conversion body in which the collector electrodes are superimposed; the collector electrode is disposed on the second electrode layer constituting the solar cell; and the extraction electrode is electrically connected to one end of the collector electrode and disposed on the solar cell And a protective cover that overlaps the solar cell, the collector electrode, and the extraction electrode via a sealing material. Further, the other end of the above-mentioned take-out electrode of the cover member (4) D portion is extended to the outside of the protective cover through the opening portion. Further, a first member for blocking the opening portion so as to seal the periphery of the other end of the electrode, and the first member is a resin having water vapor barrier properties. [Effects of the Invention] According to the present invention, in a state in which the other end of the take-out electrode protrudes outward, the first member that blocks the opening α of the protective cover is provided around the seal, thereby providing the first member. Regardless of the size or opening of the opening portion, the sealing/four-end protruding from the sealing of the sealing light f-converter (4) is disposed in each space partitioned by the first member to suppress the external atmosphere. Further, according to the present invention, the first member has a water vapor barrier property 156461.4 201203577, which prevents the water vapor in the outside atmosphere from being immersed in the sealing material through the opening portion. It is possible to prevent deterioration of the sealing material due to contact with water vapor. As a result, according to the present invention, it is possible to provide a sealing function for maintaining a sealing material for a photoelectric conversion body constituting a solar cell, and it is possible to suppress a decrease in output or a decrease in life of the solar cell. Solar cell module with reduced performance. [Embodiment] Hereinafter, a solar cell module and a method of manufacturing the same according to the present invention will be described in detail with reference to the accompanying drawings. The drawings used in the following description are for easy understanding of the features of the present invention, and for the sake of convenience, the enlarged portions are displayed, or the dimensional ratios of the respective constituent elements are changed. [First Embodiment] Figs. 1 and 2 is a schematic configuration diagram of a solar battery module ia(i) of the present embodiment, FIG. 1 is a perspective view, and FIG. 2 is an enlarged cross-sectional view of the phantom line of the figure. As shown in FIG. 1, the solar battery module ^ ^) The solar cell 1 〇, the protective cover 30, and the protective case 4 〇. The solar cell 10 is formed into a substantially rectangular plate shape, and the incident light can generate electricity. In addition, the incident surface of the light in the solar cell 10 is in the middle of the paper. For the solar cell 10, a well-known solar cell can be used, and for example, an amorphous type, a nano crystal type, or the like can be exemplified, and a film type, a tandem type, or the like can be exemplified, but the invention is not limited thereto. The glass is formed into a substantially rectangular plate shape and is integrally joined to the back side of the solar cell 10 via the seal (4) (opposite side of the incident surface of the light). The thickness of the protective cover 30 is 3 mm to 5 _. However, it is not limited thereto. In addition, the material of the sigh cover 3 is not limited to glass 'may also For example, a sheet or a film of a resin is used as a film of a fluorochemical resin of 156461.doc 201203577. The protective cover is also a cover formed by sandwiching a film of Α1 with a film of a fluorine resin.

保蔓皿4〇冑固定於保護蓋3〇上,稱作所謂接線盒。俾 護盒40係保護將太陽電池1〇中產生之電向外部供給:取中、 電極(圖1中未㈣)之端部。保護盒4吐連接有—對輸出用 佈線41。輸出用佈線41係用以將自太陽電池1〇取出 外部輸出之佈線。 D Ο 接著,更詳細說明太陽電池模組1A(1)i要部。 如圖2所示,太陽電池1〇具備基板丨丨與光電轉換體丨2。 基板11例如係以玻璃或透明樹脂等之光透過性優良,且 具有耐久性之絕緣材料形成。基板n係成形為大致矩形板 狀0 光電轉換體12形成於基板U之一面Ua上’將太陽光之 能量進行電性轉換。從基板U之另一面llb側對光電轉換 體12入射光,從而太陽電池丨〇可發電。 Ο 光電轉換體12分割成多數個區劃元件。該區劃元件互相 電性區劃,且在鄰接之區劃元件彼此之間例如電性串聯連 接。藉此,光電轉換體12成為將多數個區劃元件電性串聯 _ 連接之構成,可從光電轉換體12取出高電位差之電。 - 又,如圖2之上部所示,光電轉換體12具備在基板丨!之 一面11a上,至少以第一電極層13、半導體層14及第二電 極層15之順序積層之構成。 第一電極層13係以透明之導電材料例如IT〇等光透過性 之金屬氧化物(TCO)形成。 156461.doc 201203577 第二電極層i 5係以銀(Ag)、銅(Cu)等導電性金屬膜形 成。 例如太陽電池1〇為薄膜矽太陽電池之情形中,半導體層 14具備將i型矽膜18夾入於p型矽膜16與11型矽膜η間之p二 接合構造。若對該半導體層14入射光,則產生電子與電洞 (hole),由p型矽膜16與11型矽膜17之電位差而向特定方向 移動,此連續重複從而在第一電極層13與第二電極層15之 間產生電位差(光電效應)。另,該等石夕臈可使用非晶質 型、奈米晶體型等。 又,本實施形態中,作為半導體層14,雖例示pin接合 Z造為-層之半導體層’但不限於此,亦可為積層有複數 =合構造之串疊型。使用如此之串叠型半導體層" 層。月少,可根據所照射之光之波長調節進行光電轉換之 :圖2所示’於太陽電池1〇之光電轉換體η上配置有隼 電电極20及取出電極21。 ,、 隹配置於構成太陽電池1〇之第二電極層Η上。 卞…向沿著太陽電池10之對向的一對邊之方 面垂吉太A比 訂違之方向(紙 帶狀:: 別設置。又,集電電極20例如包含 極層15電性連接。 冑用…與第二電 側==太陽電池1〇中產生之電向保護蓋-之外 錢敷層取極’例如包含帶狀之鋼箱與設於其周圍之 電極21配置於構成太陽電池1〇之第二電極層 I5646I.doc -10- 201203577 15上。取出電極2ΐ之一端21a使用焊料等與集電電極別電 性連接。另一方面,取出電極21之另一端21b以離開太陽 電池10之方式彎曲。 又,至少在取出電極21與太陽電池10之間配置絕緣片 22。另,本實施形態之絕緣片22以被覆取出電極以周圍之 方式設置。絕緣;122之材質為樹脂類較佳,合成樹脂更 佳。作為較佳之合成樹月旨,可例示⑪樹脂、氟樹脂、聚酸The protective dish 4 is fixed on the protective cover 3〇, which is called a so-called junction box.俾 Guard box 40 protects the electricity generated in the solar cell from being supplied to the outside: the end of the middle and the electrode (not (4) in Fig. 1). The protective case 4 is connected to the output wiring 41. The output wiring 41 is used to take out the wiring of the external output from the solar battery. D Ο Next, the main part of the solar cell module 1A(1)i will be described in more detail. As shown in FIG. 2, the solar cell 1A includes a substrate 丨丨 and a photoelectric conversion body 丨2. The substrate 11 is formed of an insulating material having excellent light transmittance such as glass or a transparent resin and having durability. The substrate n is formed into a substantially rectangular plate shape. The photoelectric conversion body 12 is formed on one surface Ua of the substrate U to electrically convert the energy of sunlight. Light is incident on the photoelectric converter 12 from the other surface 11b side of the substrate U, so that the solar cell can generate electricity.光电 The photoelectric conversion body 12 is divided into a plurality of zoning elements. The zoning elements are electrically sized to each other and are electrically connected in series between adjacent zoning elements. Thereby, the photoelectric conversion body 12 has a configuration in which a plurality of zoning elements are electrically connected in series, and a high potential difference can be taken out from the photoelectric conversion body 12. - As shown in the upper part of Fig. 2, the photoelectric conversion body 12 is provided on the substrate 丨! The one surface 11a is formed by laminating at least the first electrode layer 13, the semiconductor layer 14, and the second electrode layer 15. The first electrode layer 13 is formed of a transparent conductive material such as a light transmissive metal oxide (TCO) such as IT〇. 156461.doc 201203577 The second electrode layer i 5 is formed of a conductive metal film such as silver (Ag) or copper (Cu). For example, in the case where the solar cell 1 is a thin film solar cell, the semiconductor layer 14 has a p-die structure in which the i-type germanium film 18 is sandwiched between the p-type germanium film 16 and the 11-type germanium film n. When light is incident on the semiconductor layer 14, electrons and holes are generated, and the potential difference between the p-type germanium film 16 and the 11-type germanium film 17 is shifted in a specific direction, and this is continuously repeated so as to be in the first electrode layer 13 A potential difference (photoelectric effect) is generated between the second electrode layers 15. Further, these types of stones can be made of an amorphous type, a nano crystal type or the like. In the present embodiment, the semiconductor layer 14 is exemplified as the semiconductor layer of the layer by the pin bonding Z. However, the present invention is not limited thereto, and may be a tandem type in which a plurality of layers are laminated. Use such a tandem semiconductor layer " layer. The solar cell 20 and the extraction electrode 21 are disposed on the photoelectric conversion body η of the solar cell as shown in Fig. 2 when the number of months is small. , 隹 is disposed on the second electrode layer 构成 constituting the solar cell.卞...The direction of the pair of sides along the opposite direction of the solar cell 10 is in a direction opposite to the order (paper strip:: not set. Further, the collector electrode 20 is electrically connected, for example, to the pole layer 15. ... 与 与 与 第二 第二 第二 太阳 太阳 太阳 太阳 太阳 太阳 太阳 太阳 太阳 太阳 太阳 太阳 太阳 太阳 太阳 太阳 太阳 太阳 太阳 太阳 太阳 太阳 太阳 太阳 太阳 太阳 太阳 太阳 太阳 太阳 太阳 太阳 太阳 太阳 太阳 太阳 太阳 太阳 太阳 太阳 太阳 太阳1 second electrode layer I5646I.doc -10- 201203577 15. One end 21a of the extraction electrode 2 is electrically connected to the collector electrode using solder or the like. On the other hand, the other end 21b of the electrode 21 is taken out to leave the solar cell. Further, at least the insulating sheet 22 is disposed between the extraction electrode 21 and the solar cell 10. The insulating sheet 22 of the present embodiment is provided so as to cover the electrode, and the insulating material is made of resin. Preferably, the synthetic resin is more preferable. As a preferred synthetic tree, 11 resins, fluororesins, and polyacids can be exemplified.

Ο 亞胺樹脂。絕緣片22可使用眾所周知之絕緣片,亦可使用 市售品。 保護蓋30以經由密封材31覆蓋太陽電池1〇、集電電極2〇 及取出電極21之方式重疊配置。密封材係使用例如 E VA、P V B (聚乙稀醇縮丁,或稀烴系樹脂。經由密封材 31而保護蓋3G全面接合於太陽電池密封㈣將構成太 陽電池Π)之光電轉換體12全面密封,利用其密封功能而防 止外氣或水蒸氣與光電轉換體12揍觸。 又’保護蓋30具備使取出電極21之另—端加貫通之開 口部術。即,取出電極21之另—端加以通過開口部他 向保護蓋30之外側(太陽電池1G之相反側)突出之方式 配置。 琢開口 部3〇a中,以密封取出電極此另—端训周圍之 ^式設置密封構件32(第—構件)。密封構㈣即所謂 水蒸氣阻隔性(水蒸氣低透過性)之樹脂,阻塞開口部細 設。即,密封構件32以密封取出 ®电桠之另—端21b周圍 與開口部30a間之方式設置。 门固 風在封構件32之樹脂係從具 156461.doc -11- 201203577 有流動性之狀態硬化之樹脂,例如使用聚異了烯系或丁基 系樹脂。當然不限於如此之樹脂。作為聚異丁婦系樹月旨, 例示與大氣中之水份反應而硬化之樹脂,或所含之溶劑等 揮發而硬化之樹脂。作為丁基系樹脂,例示丁基橡膠等, 加熱而軟化變成具有流動性之狀態,冷卻而再次硬化之樹 月卜又’成密封構件32之樹脂之水蒸氣透過度為 5[g/m2/day]以下較佳。 又,密封構件32設於保護蓋3〇中開口部3〇a之内側面 3〇b。另,密封構件32亦可設於保護蓋則之面(太陽電 池10之相反側之面)上。再者,密封構件Μ在開口部術中 與密封材31直接接觸而設,在密封構件^與密封材^間未 設有其他構件。 保護盒40具備盒主體部4〇a與蓋部4〇b。 盒主體部40a以包圍取出電極21之另一端之方式配 置,經由固定構件42(第二構件)固定於保護蓋3〇上。盒主 體部術於—方之開口端固定在保護蓋30上。即,固定構 件42設於盒主體部術與保護蓋%之間,且將盒主體部恤 固定於保護蓋30上。成固定構件42之樹脂係使用例如從具 有流動性之狀態硬化之樹脂。另,成固定構件似樹脂係 使用可確保硬化時盒主體部4〇a與保護蓋3〇間充分之固定 =度,且硬化後即使加熱固定強度亦不變化(不軟化)之樹 脂。作為具有如此性質之樹脂,例示密封劑系樹脂。Ο Imine resin. As the insulating sheet 22, a well-known insulating sheet can be used, and a commercially available product can also be used. The protective cover 30 is placed in a superposed manner so as to cover the solar cell 1A, the collector electrode 2A, and the take-out electrode 21 via the sealing member 31. For the sealing material, for example, E VA, PVB (polyethylene condensate, or a dilute hydrocarbon resin is used. The photoelectric conversion body 12 that protects the cover 3G from the solar cell seal through the sealing material 31 and constituting the solar cell () The sealing uses its sealing function to prevent external air or water vapor from colliding with the photoelectric conversion body 12. Further, the protective cover 30 is provided with an opening portion for allowing the other end of the extraction electrode 21 to pass through. That is, the other end of the take-out electrode 21 is disposed so as to protrude toward the outer side of the protective cover 30 (opposite side of the solar cell 1G) through the opening. In the opening portion 3a, the sealing member 32 (the first member) is disposed around the other end of the sealing electrode. The sealing structure (4) is a so-called water vapor barrier (water vapor low permeability) resin, and the opening portion is blocked. That is, the sealing member 32 is provided so as to seal between the periphery of the other end 21b and the opening 30a. The resin of the sealing member 32 is cured from a resin having a fluidity state of 156461.doc -11 to 201203577, for example, a polyisobutylene-based or butyl-based resin. Of course, it is not limited to such a resin. The resin which is cured by reaction with water in the atmosphere or a solvent which is volatilized and volatilized is exemplified as the polyisobutyl saccharide tree. The butyl-based resin is exemplified by a butyl rubber or the like, which is heated and softened to have a fluidity state, and is cooled and hardened again. The water vapor permeability of the resin which becomes the sealing member 32 is 5 [g/m 2 / Day] The following is better. Further, the sealing member 32 is provided on the inner side surface 3〇b of the opening 3〇a of the protective cover 3〇. Alternatively, the sealing member 32 may be provided on the surface of the protective cover (the opposite side of the solar cell 10). Further, the sealing member is provided in direct contact with the sealing member 31 during the opening, and no other member is provided between the sealing member and the sealing member. The protective case 40 is provided with a cartridge main body portion 4A and a lid portion 4b. The cartridge body portion 40a is disposed to surround the other end of the take-out electrode 21, and is fixed to the protective cover 3A via a fixing member 42 (second member). The main body of the cartridge is fixed to the protective cover 30 at the open end of the square. That is, the fixing member 42 is provided between the cartridge main body portion and the protective cover %, and the cartridge main body portion is fixed to the protective cover 30. The resin to be the fixing member 42 is, for example, a resin which is cured from a fluid state. Further, the fixing member is made of a resin-like resin which can ensure sufficient fixation between the cartridge main body portion 4a and the protective cover 3 when hardened, and which does not change (do not soften) even after heating and fixing strength. As the resin having such a property, a sealant-based resin is exemplified.

蓋。P 40b係使用特定之缔結構件(螺絲構件等)固定於盒 主體部4〇&之另一開口端。蓋部4〇b係以可閉塞盒主體Z 15646J.doc 12 201203577 . 40a之另一開口端之大小成形。 • 具備盒主體部40a與蓋部4〇b互相固定之構成之保護盒4〇 以覆蓋取出電極21之另一端21b之方式配置。即,於保護 盒4〇内配置有取出電極21之另一端2lb。又,保護盒40 内,取出電極21之另一端21b與輸出用佈線41互相電性連 接。因此,可將太陽電池1〇所產生之電經由集電電極2〇、 取出電極21及輸出用佈線41向外部輸出。 〇 於保護盒40之内部設有填充於取出電極21之另一端21b 周圍之裝填材43。成裝填材43之樹脂係使用從具有流動性 之狀態硬化之樹脂(例如密封劑系樹脂卜填充裝填材43從 而可將取出電極21之另一端21b保持於一定位置。'另,裝 填材43亦可為不設於保護盒4〇内之構成。 固定構件42及裝填材43在❹密封㈣等水蒸氣阻隔性 低,即具有較大水蒸氣透過度之樹脂之情形中,外部大氣 中之水蒸氣可經由固定構件42及裳填材43向開口部3 〇 八。 但,根據本實施形態,保護蓋30之開口部3〇a上,取出 電極21之另一端21b向外側突出之狀態下,以密封其周圍 . <方式設置密封構们2。即,.部術由密封構件切且 _ 塞。藉由設置密封構件32,從而不依賴於開口部3〇a之大 小或形狀,密封光電轉換體12之密封材31與向外側突出之 取出電極21之另-端21b分別配置於由密封構扣區割之 各個空間内。因此,可抑制外部大氣中之物質經由開口部 30a浸入於密封材31内。 156461.doc -13- 201203577 再者,根據本實施形態,密封構件32係具有水蒸氣阻隔 性之樹脂’因此可防止外部大氣中之水蒸氣經由開口部 3〇a浸入於密封材31内,可防止因與水蒸氣接觸而密封材 3 1之劣化。其結果,根據本實施形態,可維持密封材η對 於構成太陽電池10之光電轉換體12之密封功能。藉此,可 提供一種可抑制太陽電池1〇之輸出下降或壽命減少等性能 下降之太陽電池模組丨A( i )。 又’密封構件32設於保護蓋30之開口部3如之内側面 30b。即,密封構件32不設於保護蓋3〇之太陽電池1〇側之 面與饴封材31之間,可使太陽電池1〇至保護蓋30之厚度變 薄再者氆封構件3 2不設於保護蓋3 〇之太陽電池丨〇側之 面與密封材31之間,因此因密封構件32所產生之應力不會 產生於保護蓋30上。因此’保護蓋3〇之材質為如玻璃般脆 性高之材質之情形中亦可防止保護蓋30之破損。 另,本實施形態中,密封構件32及裝填材43係使用互不 相同之柄·月曰。虽然作成裝填材43之樹脂亦可為與密封構件 32相同之樹脂(即具有水蒸氣阻隔性之樹脂使作成裝填 材43之樹脂為與密封構件32相同之樹脂,從而可進而抑制 外°卩大氣中之水蒸氣經由開口部3 0a浸入於密封材3 1内。 接著,針對如此之太陽電池模組丨八(1)之製造方法進行cover. P 40b is fixed to the other open end of the cartridge main body portion 4 using a specific structural member (screw member or the like). The lid portion 4〇b is formed to have the size of the other open end of the closable cartridge main body Z 15646J.doc 12 201203577 . 40a. A protective case 4A having a configuration in which the case main body portion 40a and the lid portion 4b are fixed to each other is disposed so as to cover the other end 21b of the take-out electrode 21. That is, the other end 2lb of the take-out electrode 21 is disposed in the protective case 4''. Further, in the protective case 40, the other end 21b of the take-out electrode 21 and the output wiring 41 are electrically connected to each other. Therefore, the electricity generated by the solar cell can be output to the outside via the collector electrode 2A, the extraction electrode 21, and the output wiring 41. Inside the protective case 40, a filler 43 filled around the other end 21b of the take-out electrode 21 is provided. The resin to be filled into the filler 43 is made of a resin which is hardened from a fluidity state (for example, a sealant-based resin is filled with the filler 43 so that the other end 21b of the take-out electrode 21 can be held at a certain position. Further, the filler 43 is also It may be configured not in the protective case 4. The fixing member 42 and the filling material 43 are in the case of a resin having a low water vapor barrier property such as a seal (four), that is, a resin having a large water vapor permeability, and water in the external atmosphere. The steam can be made into the opening portion 3 via the fixing member 42 and the skirting material 43. However, according to the present embodiment, in the opening portion 3A of the protective cover 30, the other end 21b of the take-out electrode 21 is protruded outward. The sealing member 2 is provided in a manner to seal the periphery thereof. That is, the portion is cut by the sealing member and is plugged. By providing the sealing member 32, the photoelectricity is sealed regardless of the size or shape of the opening portion 3a. The sealing material 31 of the conversion body 12 and the other end 21b of the extraction electrode 21 protruding outward are disposed in the respective spaces cut by the sealing structure. Therefore, it is possible to suppress the substance in the outside atmosphere from being immersed in the sealing via the opening 30a. Material 31 According to the present embodiment, the sealing member 32 is a resin having water vapor barrier properties. Therefore, it is possible to prevent water vapor in the outside air from entering the sealing member 31 through the opening portion 3〇a. The deterioration of the sealing material 31 can be prevented by contact with the water vapor. As a result, according to the present embodiment, the sealing function of the sealing material η with respect to the photoelectric conversion body 12 constituting the solar battery 10 can be maintained. The solar cell module 丨A(i) has a performance such as a decrease in output of the solar cell or a decrease in life, etc. Further, the sealing member 32 is provided on the opening portion 3 of the protective cover 30 such as the inner side surface 30b. That is, the sealing member 32 is not Between the surface of the solar cell 1 〇 side of the protective cover 3 and the enamel sealing material 31, the thickness of the solar cell 1 〇 to the protective cover 30 can be thinned, and the sealing member 3 2 is not provided on the protective cover 3 〇 Since the surface of the side of the solar cell is between the sealing material 31 and the sealing member 31, the stress generated by the sealing member 32 is not generated on the protective cover 30. Therefore, the material of the protective cover 3 is made of a material such as glass. In case it can also prevent protection In the present embodiment, the sealing member 32 and the filler 43 are different from each other. The resin for the filler 43 may be the same resin as the sealing member 32 (that is, The water vapor barrier resin allows the resin to be used as the filler 43 to be the same resin as the sealing member 32, thereby further suppressing the intrusion of water vapor in the atmosphere into the sealing material 31 through the opening portion 30a. Such a solar cell module 丨 eight (1) manufacturing method is carried out

說明。圖3〜圖9係顯示本實施形態之太陽電池模組之製造 方法之立體圖D 太陽電池1 〇可按照眾所周知 之一面11a上以第一電極層13 之方法製造。例如於基板i i 、半導體層14及第二電極層 156461.doc •14- 201203577 . . 15之順序積層,形成光電轉換體12。另,各層之厚度與先 前之太陽電池相同。 如圖3所示,光電轉換體12利用劃刻線19而分割成例如 外形為短條狀之多數個區劃元件12a。該區劃元件12a互相 電〖生區劃,且在互相鄰接之區劃元件i 2a彼此之間例如電 性串聯連接。藉此,光電轉換體12成為將多數個區劃元件 12a電性串聯連接之構成,可從光電轉換體12取出高電位 〇 差之電。劃刻線19例如可藉由在基板11之一面11a上均— 地形成光電轉換體12後,由雷射等於光電轉換體12上以特 定間隔形成槽而形成。又,亦可於必要時在第二電極層。 上積層保護層。 接著,於構成光電轉換體12之第二電極層15上配置集電 電極2 0。 如圖4所不,經由焊料2〇a將一對集電電極電性連接於 多數個區劃7G件12a中位於兩端之區劃元件12a之第二電極 ◎ 層15上連接係使用一般之焊搶。集電電極2〇包含帶狀之 銅箱與設於其周圍之鍍敷層,於區劃元件…延伸方向上 平行配置。又’焊料施在區劃元件…之延伸方向上空出 • 特定間隔配置成點狀。 - Μ,於構成光電轉換體12之第二電極層15上配置取出 電極21。 如圖5所示,取出電極21與集電電極2〇相同,包含帶狀 ,銅箱與設於其㈣之鍍制。另,將取出電極21配置於 第二電極層15上時,在第二電極層15與取出電極Μ之間配 156461.doc -15- 201203577 置絕緣片22。 又,將取出電極21之一端21a與集電電極2〇電性連接。 該連接亦可使用焊料,亦可使用超音波焊搶等使集電電極 20及取出電極21之鍍敷層熔融而連接。另一方面,取出電 極2丨之另一端21b預先以離開光電轉換體12之方式彎曲。 接著,將保護蓋30全面接合於太陽電池1〇上。 如圖6所示,將保護蓋30經由密封材31與太陽電池丨❻重 疊接合。該接合例如係使用真空層壓機(未圖示)。真空層 壓機一面將太陽電池10、密封材31及保護蓋3〇加熱一面真 空按壓。進行加熱從而使成密封材3丨之樹脂(eva等)熔 融,且進行真空按壓從而可從熔融之密封材31内或太陽電 池10與保護蓋30之間去除空氣,可作成可靠性高之接合狀 態。 另,此時,使取出電極21之另一端21b貫通保護蓋3〇之 開口部30a ’向保護蓋3〇之外側延伸。 接著,於保濩蓋3〇上固定保護盒4〇之盒主體部4〇a。 如圖7所示,使用固定構件42(圖7中未圖示),將盒主體 部40a在包圍開口部3〇a之位置(即包圍取出電極η之另一 t 21b之位置)與保護蓋3〇接合。成固定構件u之樹脂具有 :動性時,將該樹脂配置於盒主體部4如或保護蓋川之固 定部分’將盒主體部咖與保護蓋3()連接後使該樹脂硬 化,攸而將盒主體部4〇a固定於保護蓋上。 接著,於保護蓋30之開口部3〇a上設置密封構件32。 如圖8所示’成密封構件32之樹脂具有流動性時,以填 156461.doc 201203577 . 1 。卩30&amp;之方式設置樹脂,其後,使該樹脂硬化,由 •密封構件32將取出電極21之另-端21b之周圍密封。開口 P 乂在封構件32阻塞。使成密封構件32之樹脂硬化之 方法適當使用適於該樹脂之方法。 根據本實知形態,將保護盒4〇之盒主體部4如固定 於保4盍3〇後,於開口部3〇a設置密封構件32,但亦可使 ^驟引後相反,於開口部30a設置密封構件32後,將盒 〇 主體部40a固定於保護蓋30上。 4據本貫施形癌,進行以至少覆蓋太陽電池1 〇、集電電 極及取出電極21之方式重疊配置保護蓋30後,以填埋開 P 之方式设置密封構件32之步驟。因此,密封構件 不η又於保濩蓋3 〇之太陽電池丨〇側之面與密封材3 1之間, 僅在保護蓋30之開π部3Ga之内側面通及保護蓋之外側 面-又,密封構件32。藉此,可使太陽電池1〇至保護蓋%之 厚度變薄。再者’密封構件32不設於保護蓋3〇之太陽電池 〇 1G側之面與密封材31之間,因此因密封構件32所產生之應 力不會產生於保護蓋3〇上。因此,即使保護蓋3〇之材質為 如玻璃般脆性尚之材質之情形中,亦可防止保護蓋之破 - 損。 另°又置费封構件32後,將取出電極21之另一端21 b與 輸出用佈線41電性連接。 接著,於保護盒4〇之盒主體部4〇a内填充裝填材43 ^ 圖9所示,於盒主體部40a内填充裝填材43。使裝填材 43硬化從而取出電極21之另一端2 lb保持在一定位置。 156461.doc -17- 201203577 最後’於保護盒40之盒主體部40a上固定蓋部4〇b(圖9中 未圖示),從而太陽電池模組1A(1)之製造完成。 另’使成裝填材43之樹脂為與密封構件32相同之樹脂 (即具有水蒸氣阻隔性之樹脂)之情形中,圖8所示之設置密 封構件32之步驟中亦可同時設置裝填材43。藉由同時設置 密封構件32及裝填材43,而可省略步驟,削減太陽電池模 组1A(1)之製造工時及成本。此時,設置密封構件&amp;及農 填材43前,預先將取出電極21之另一端2比與輸出用佈線 4 1電性連接。 根據本實施形態,密封構件32係具有水蒸氣阻隔性之樹 脂,因此可防止外部大氣中之水蒸氣經由開口部3〇a浸入 於密封材3丨内,可防止因與水蒸氣接觸而密封材31^劣 化。其結果,根據本實施形態,可維持密封材31對於構成 太陽電池1〇之光電轉換體12之密封功能。藉此,可提供一 種可抑制太陽電池10之輸出下降或壽命減少等性能下降之 太陽電池模組1 1)。 &lt;第二實施形態&gt; —接著’針對本發明之太陽電池模組及其製造方法之第二 實施形態進行說明。另’以下說明中,主要對與上述第一 實施形態不同之部分進行說明,對與第—實施形態相同之 部分省略其說明。 圖10係_不本實施形態之太陽電池模組⑺⑴之概要構 成之要部放大剖面圖。 如圖10所示,在保護蓋30與保護盒4〇之間’配置有用以 156461.doc •18· 201203577 . 將保護盒40固定於保護蓋3〇之第二固定構件44(第二構 件)。第二固定構件44與密封構件32相接而設,從設有密 封構件32之位置橫跨保護蓋30與保護盒40之間配置。即, 密封構件32及第二固定構件44互相成一體而設。 成第二固定構件4 4之樹脂係使用例如從具有流動性之狀 態硬化之樹脂。另,成第二固定構件44之樹脂較佳為可確 保硬化時盒主體部40a與保護蓋3〇間充分之固定強度,且 〇 硬化後即使加熱固定強度亦不變化(不軟化)之樹脂(例如密 封劑系樹脂)。 根據本實施形態,成第二固定構件44之樹脂具有流動性 時,可從設有密封構件32之位置跨過保護蓋3〇之與保護盒 40之固定部位配置該樹脂。即,可不依賴於密封構件“之 大小或形狀地配置該樹脂,可容易設置該樹脂。藉此,可 削減作業之工時。又,由於第二固定構件44以從外側覆蓋 岔封構件32之方式設置,因此可進而提高密封構件與保 〇 5蔓蓋3 〇之接合強度。 &lt;第三實施形態&gt; 接著’針對本發明之太陽電池模組及其製造方法之第三 ' 貫施形態進行說明。另,以下說明中,主要對與上述第— 實施形態不同之部分進行說明,對與第一實施形態相同之 部分省略其說明。 圖11係顯示本實施形態之太陽電池模組1 C( 1)之概要構 成之要部放大剖面圖。 如圖11所示’於保護蓋30之開口部30a上配置有第二密 156461.doc -19- 201203577 ^件33/第二密封構件33具備··配置於開口部之密 (第—構件);及配置於盒主體部4〇a與保護蓋3〇之 曰,用於盒主體部術朝保護蓋3〇之固定之固定部第 二構件)。 密封部33a以在開口部恤上密封取出電極以之另一端 21b周^之方式設置。密封部仏阻塞開口部術地設置。 密封邛33a设於保護蓋3〇之開口部3〇a之内側面3仙 上。再者’密封部33a在開口部地上與密封材31直接接觸 而設,密封部33績密封材31之間未設有其他構件。另, 固定部33b設於保護蓋3〇外側之面上。因此,第二密封構 件33僅„又於開口部3〇a之内側面鳩及保護蓋%之外側面 上0 密封部33a及固定部33b包含相同樹脂,互相成一體。藉 由密封部仏及固^部3315構成之第二密封構件33包含所謂 具有水蒸氣阻隔性之樹脂。第二密封構件33係從具有流動 性之狀態硬化之樹脂,例如使用聚異丁婦系樹脂。當然不 限於如此之樹脂。作為聚異丁烯系樹脂,例示與大氣中之 水份反應而硬化之樹脂,或所含溶劑等揮發從而硬化之樹 月曰等。又’作成第二密封構件33之樹脂之水蒸氣透過度為 5[g/m2/day]以下較佳。 又,作成第二密封構件33之樹脂係使用可確保硬化時盒 主體部40a與保護蓋30間充分之固定強度,且硬化後即使 加熱,固定強度亦不變化(不軟化)之樹脂。 製造本實施形態之太陽電池模組1〇:(1)時,跨過開口部 15646I.doc •20- 201203577 術與保護蓋3G之駭盒主體部術之部位,配置成第二密 封構件33之硬化前之樹脂,將盒主體部4〇&amp;與保護蓋%連 接後,使該樹脂硬化,形成第二密封構件33。因此,無需 分別配置盒主體部40a之接合用樹脂與用以密封開口部3如 之樹脂,可削減太陽電池模組1C(1)之製造工時或成本。 以上,針對本發明之太陽電池模組及其製造方法進行了 說明,但本發明不限於此,在不脫離發明主旨之範圍内可 進行適當變更。 [產業上之可利用性] 本發明可廣泛應用於太陽電池模組及其製造方法。 【圖式簡單說明】 圖1係顯示本發明之第1實施形態之太陽電池模組之概要 構成之立體圖。 S係本發明之第丨實施形態之太陽電池模組之要部放大 剖面圖。 圖3係顯示本發明之第1實施形態之太陽電池模組之製造 方法之第1步驟之立體圖。 圖4係顯示本發明之第1實施形態之太陽電池模組之製造 方法之苐2步驟之立體圖。 圖5係顯示本發明之第1實施形態之太陽電池模組之製造 方法之第3步驟之立體圖。 圖6係顯示本發明之第1實施形態之太陽電池模組之製造 方法之第4步驟之立體圖。 圖7係顯示本發明之第1實施形態之太陽電池模組之製造 156461.doc -21- 201203577 方法之第5步驟之立體圖。 圖8係顯示本發明之第1實施形態之太陽電池模組之製造 方法之苐6步驟之立體圖。 圖9係顯示本發明之第1實施形態之太陽電池模組之製造 方法之第7步驟之立體圖。 圖10係本發明之第2實施形態之太陽電池模組之要部放 大剖面圖。 圖11係本發明之第3實施形態之太陽電池模組之要部放 大剖面圖。 圖12係顯示先前之太陽電池模組之概要構成之立體圖。 圖13係先前之太陽電池模組之要部放大剖面圖。 【主要元件符號說明】 1A(1)、1B(1)、1C(1) 太陽電池模 10 太陽電池 11 基板 11a 一面 12 光電轉換體 13 第—電極層 14 半導體層 15 弟—電極層 20 集電電極 21 取出電極 21a ~端 21b 另—端 doc '22- 201203577 30 保護蓋 30a 開口部 30b 内側面 31 密封材 32 密封構件(第一構件) 33a 密封部(第一構件) 33b 固定部(第二構件) 40 保護盒 42 固定構件(第二構件) 44 第二固定構件(第二構件) 156461.doc -23-Description. Fig. 3 to Fig. 9 are perspective views showing a method of manufacturing the solar cell module of the present embodiment. The solar cell 1 can be manufactured by the method of the first electrode layer 13 on the one surface 11a. For example, the photoelectric conversion body 12 is formed by laminating in the order of the substrate i i , the semiconductor layer 14 and the second electrode layer 156461.doc •14-201203577 . . . In addition, the thickness of each layer is the same as that of the previous solar cell. As shown in Fig. 3, the photoelectric conversion body 12 is divided by a scribe line 19 into, for example, a plurality of zoning elements 12a having a short strip shape. The zoning elements 12a are electrically connected to each other, and the zoning elements i 2a adjacent to each other are electrically connected in series, for example. Thereby, the photoelectric conversion body 12 has a configuration in which a plurality of the division elements 12a are electrically connected in series, and the high-potential difference electric power can be taken out from the photoelectric conversion body 12. The scribe line 19 can be formed, for example, by forming the photoelectric conversion body 12 uniformly on one surface 11a of the substrate 11, and forming a groove at a specific interval from the laser equal to the photoelectric conversion body 12. Further, it may be in the second electrode layer as necessary. The upper layer of protective layer. Next, the collector electrode 20 is placed on the second electrode layer 15 constituting the photoelectric conversion body 12. As shown in FIG. 4, a pair of collector electrodes are electrically connected to the second electrode ◎ layer 15 of the zoning element 12a at both ends of the plurality of zoning 7G members 12a via solder 2〇a. . The collector electrode 2A includes a strip-shaped copper box and a plating layer provided around it, and is arranged in parallel in the extending direction of the zoning element. Further, the solder is vacant in the extending direction of the zoning element... The specific interval is arranged in a dot shape. - 取出, the take-out electrode 21 is disposed on the second electrode layer 15 constituting the photoelectric conversion body 12. As shown in Fig. 5, the extraction electrode 21 is the same as the collector electrode 2A, and includes a strip shape, a copper box and plating (4). Further, when the extraction electrode 21 is disposed on the second electrode layer 15, an insulating sheet 22 is disposed between the second electrode layer 15 and the extraction electrode 156 461461.doc -15 - 201203577. Further, one end 21a of the extraction electrode 21 is electrically connected to the collector electrode 2A. Solder may be used for the connection, and the plating layers of the collector electrode 20 and the extraction electrode 21 may be melted and connected by ultrasonic welding or the like. On the other hand, the other end 21b of the take-out electrode 2 is bent in advance so as to leave the photoelectric conversion body 12. Next, the protective cover 30 is fully joined to the solar cell 1A. As shown in Fig. 6, the protective cover 30 is overlapped with the solar battery cartridge via the sealing member 31. This bonding is, for example, a vacuum laminator (not shown). The vacuum laminator presses the solar cell 10, the sealing material 31, and the protective cover 3 while heating. Heating is performed to melt the resin (eva or the like) which is formed into the sealing material 3, and vacuum pressing is performed to remove air from the molten sealing material 31 or between the solar cell 10 and the protective cover 30, thereby achieving high reliability bonding. status. At this time, the other end 21b of the take-out electrode 21 is passed through the opening 30a' of the protective cover 3'' to extend to the outside of the protective cover 3''. Next, the case main body portion 4A of the protective case 4A is fixed to the cover 3〇. As shown in Fig. 7, using the fixing member 42 (not shown in Fig. 7), the cartridge main body portion 40a is at a position surrounding the opening portion 3a (i.e., a position surrounding the other t21b of the take-out electrode η) and the protective cover. 3〇 joint. When the resin of the fixing member u has kinetic properties, the resin is placed in the cartridge main body portion 4, for example, or the fixed portion of the protective cover is attached, and the resin is hardened by connecting the cartridge main body portion to the protective cover 3 (). The cartridge body portion 4A is fixed to the protective cover. Next, a sealing member 32 is provided on the opening portion 3A of the protective cover 30. As shown in Fig. 8, when the resin of the sealing member 32 has fluidity, it is filled with 156461.doc 201203577 . The resin is set in the manner of 卩30& and thereafter, the resin is cured, and the periphery of the other end 21b of the take-out electrode 21 is sealed by the sealing member 32. The opening P 阻塞 is blocked by the sealing member 32. The method of hardening the resin into the sealing member 32 is suitably carried out by a method suitable for the resin. According to the present embodiment, after the case main body portion 4 of the protective case 4 is fixed to the cover 3, the sealing member 32 is provided in the opening 3〇a, but the opening portion 30a may be reversed. After the sealing member 32 is provided, the cassette body portion 40a is fixed to the protective cover 30. (4) The step of arranging the sealing member 30 so as to cover the solar cell 1 〇, the collecting electrode, and the take-out electrode 21, and then providing the sealing member 32 so as to fill the surface. Therefore, the sealing member is not η between the surface of the side wall of the solar cell of the protective cover 3 and the sealing material 31, and only the inner side of the opening π portion 3Ga of the protective cover 30 is open to the side of the protective cover. , sealing member 32. Thereby, the thickness of the solar cell 1 to the protective cover % can be made thin. Further, the sealing member 32 is not provided between the surface on the side of the solar cell 〇 1G of the protective cover 3 and the sealing member 31, so that the stress generated by the sealing member 32 does not occur on the protective cover 3〇. Therefore, even in the case where the material of the protective cover 3 is made of a glass-like brittle material, the breakage of the protective cover can be prevented. Further, after the sealing member 32 is placed, the other end 21b of the take-out electrode 21 is electrically connected to the output wiring 41. Next, the filler body 43 is filled in the cartridge main body portion 4A of the protective case 4'. As shown in Fig. 9, the filler body 43 is filled in the cartridge main body portion 40a. The filler 43 is hardened so that the other end 2 lb of the take-out electrode 21 is held at a certain position. 156461.doc -17- 201203577 Finally, the lid portion 4b (not shown in Fig. 9) is fixed to the cartridge main body portion 40a of the protective case 40, so that the manufacture of the solar battery module 1A(1) is completed. In the case where the resin of the filler 43 is made of the same resin as the sealing member 32 (i.e., a resin having water vapor barrier properties), the step of providing the sealing member 32 shown in FIG. 8 may also be provided with the filler 43 at the same time. . By providing the sealing member 32 and the filler 43 at the same time, the steps can be omitted, and the manufacturing man-hour and cost of the solar cell module 1A (1) can be reduced. At this time, before the sealing member &amp; and the filler 43 are provided, the other end 2 of the extraction electrode 21 is electrically connected to the output wiring 4 1 in advance. According to the present embodiment, since the sealing member 32 is a resin having water vapor barrier properties, it is possible to prevent water vapor in the outside air from entering the sealing material 3丨 through the opening 3〇a, thereby preventing the sealing material from coming into contact with the water vapor. 31^ Deterioration. As a result, according to the present embodiment, the sealing function of the sealing member 31 with respect to the photoelectric conversion body 12 constituting the solar cell 1 can be maintained. Thereby, it is possible to provide the solar battery module 1 1) which can suppress the performance degradation of the solar cell 10 or the decrease in the life. &lt;Second Embodiment&gt; - Next, a second embodiment of the solar cell module and the method of manufacturing the same according to the present invention will be described. In the following description, portions that are different from the above-described first embodiment will be mainly described, and the description of the same portions as those of the first embodiment will be omitted. Fig. 10 is an enlarged cross-sectional view showing an essential part of a schematic configuration of a solar battery module (7) (1) of the present embodiment. As shown in FIG. 10, between the protective cover 30 and the protective case 4' is configured to be 156461.doc • 18· 201203577. The second fixing member 44 (second member) for fixing the protective case 40 to the protective cover 3〇 . The second fixing member 44 is provided in contact with the sealing member 32, and is disposed between the protective cover 30 and the protective case 40 from a position where the sealing member 32 is provided. That is, the sealing member 32 and the second fixing member 44 are integrally formed with each other. The resin which becomes the second fixing member 44 is, for example, a resin which is hardened from a fluidity state. Further, the resin of the second fixing member 44 is preferably a resin which can ensure sufficient fixing strength between the main body portion 40a of the case and the protective cover 3 when hardened, and which does not change (do not soften) even after heat curing. For example, a sealant resin). According to the present embodiment, when the resin of the second fixing member 44 has fluidity, the resin can be disposed from the position where the sealing member 32 is provided across the fixing portion of the protective cover 3 and the protective case 40. That is, the resin can be easily disposed without depending on the size or shape of the sealing member. Thereby, the working time can be reduced. Further, since the second fixing member 44 covers the sealing member 32 from the outside By way of arrangement, the bonding strength between the sealing member and the protective cover 5 can be further improved. <Third embodiment> Next, the third embodiment of the solar cell module and the method for manufacturing the same according to the present invention In the following description, the differences from the above-described first embodiment will be mainly described, and the description of the same portions as those of the first embodiment will be omitted. Fig. 11 shows the solar battery module 1 C of the present embodiment. (1) A schematic cross-sectional view of an outline of a schematic configuration. As shown in Fig. 11, a second seal 156461.doc -19-201203577 is attached to the opening 30a of the protective cover 30. The second sealing member 33 is provided. · a dense (first member) disposed in the opening; and a second member of the fixing portion for fixing the case main body portion toward the protective cover 3〇, disposed between the case main body portion 4a and the protective cover 3〇 Sealing portion 33a The sealing electrode is sealed on the opening shirt so as to be disposed at the other end 21b. The sealing portion 仏 blocks the opening portion. The sealing jaw 33a is provided on the inner side surface 3 of the opening portion 3〇a of the protective cover 3〇 Further, the sealing portion 33a is provided in direct contact with the sealing member 31 on the opening portion, and the sealing portion 33 is not provided with other members between the sealing members 31. Further, the fixing portion 33b is provided on the outer surface of the protective cover 3 Therefore, the second sealing member 33 only includes the same resin on the inner side surface of the opening portion 3A and the outer surface of the protective cover %. The sealing portion 33a and the fixing portion 33b are integrally formed with each other. The second sealing member 33 composed of the sealing portion 仏 and the fixing portion 3315 contains a so-called water vapor barrier resin. The second sealing member 33 is a resin which is cured from a fluid state, and for example, a polyisobutyl saccharide resin is used. Of course, it is not limited to such a resin. The polyisobutylene-based resin is exemplified by a resin which is cured by reaction with moisture in the atmosphere, or a resin which is volatilized by a solvent or the like to be hardened. Further, the resin having the second sealing member 33 has a water vapor permeability of 5 [g/m2/day] or less. Further, the resin used for the second sealing member 33 is a resin which ensures sufficient fixing strength between the main body portion 40a of the casing and the protective cover 30 during curing, and which does not change (not soften) the fixing strength even after heating. When the solar battery module 1 of the present embodiment is manufactured: (1), the portion of the cartridge main body portion of the opening and closing cover 15646I.doc • 20-201203577 and the protective cover 3G is disposed as the second sealing member 33. The resin before hardening is connected to the protective cover by the case main body portion 4〇&amp; and the resin is cured to form the second sealing member 33. Therefore, it is not necessary to separately arrange the bonding resin of the cartridge main body portion 40a and the resin for sealing the opening portion 3, and it is possible to reduce the manufacturing man-hour or cost of the solar cell module 1C(1). In the above, the solar cell module of the present invention and the method of manufacturing the same have been described, but the present invention is not limited thereto, and can be appropriately modified without departing from the spirit of the invention. [Industrial Applicability] The present invention can be widely applied to a solar cell module and a method of manufacturing the same. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a perspective view showing a schematic configuration of a solar battery module according to a first embodiment of the present invention. S is an enlarged cross-sectional view of an essential part of a solar battery module according to a third embodiment of the present invention. Fig. 3 is a perspective view showing a first step of the method of manufacturing the solar battery module according to the first embodiment of the present invention. Fig. 4 is a perspective view showing a second step of the method of manufacturing the solar battery module according to the first embodiment of the present invention. Fig. 5 is a perspective view showing a third step of the method of manufacturing the solar battery module according to the first embodiment of the present invention. Fig. 6 is a perspective view showing a fourth step of the method of manufacturing the solar battery module according to the first embodiment of the present invention. Fig. 7 is a perspective view showing a fifth step of the method of manufacturing the solar cell module according to the first embodiment of the present invention, 156461.doc - 21 - 201203577. Fig. 8 is a perspective view showing a step 6 of the method of manufacturing the solar battery module according to the first embodiment of the present invention. Fig. 9 is a perspective view showing a seventh step of the method of manufacturing the solar battery module according to the first embodiment of the present invention. Fig. 10 is a cross-sectional view of an essential part of a solar battery module according to a second embodiment of the present invention. Fig. 11 is a cross-sectional view of an essential part of a solar battery module according to a third embodiment of the present invention. Fig. 12 is a perspective view showing a schematic configuration of a prior solar battery module. Figure 13 is an enlarged cross-sectional view of an essential part of a prior solar cell module. [Explanation of main component symbols] 1A(1), 1B(1), 1C(1) Solar cell module 10 Solar cell 11 Substrate 11a One side 12 Photoelectric conversion body 13 First electrode layer 14 Semiconductor layer 15 Young electrode layer 20 Collecting electricity Electrode 21 Takeout electrode 21a to end 21b Another end doc '22- 201203577 30 Protective cover 30a Opening 30b Inner side 31 Sealing material 32 Sealing member (first member) 33a Sealing portion (first member) 33b Fixing portion (second Member) 40 protective case 42 fixing member (second member) 44 second fixing member (second member) 156461.doc -23-

Claims (1)

201203577 七、申請專利範圍: 1· 一種太陽電池模組,其特徵在於其具備:太陽電池,其 於基板之一面形成有至少以第一電極層、半導體層及第 二2極層之順序重疊之光電轉換體;集電電極,其配置 於别迷第二電極層上;取出電極’其—端與前述集電電 電丨生連接,且配置於前述第二電極層上;及保護蓋, ❹ G 其以經由密封材覆蓋前述太陽電池、前述集電電極及前 述取出電極之方式重疊配置; 前述保護蓋具備開口部; 前述取出電極之另一端通過前述開口部向前述保護蓋 之外侧延伸設置;且 、設有以密封前述取出電極之另—端周圍之方式阻塞 述開口部之第一構件; 月_ί述第—構件係具有水蒸氣阻隔性之樹脂。 201203577 第二構件互相成一體。 6.如請求項5之太陽電池模組,其中前述第一構件及前述 第二構件包含相同樹脂。 7_如味求項i之太陽電池模組,其中前述第一構件僅設於 刖述保護蓋之前述開π部之内側面及前述保護蓋之外 之面。 Ο . 項:::模組之製造方法’其特徵在於:其係請求 、 項之太陽電池模組之製造方法,且古 /前述保護蓋以覆蓋前述太陽電池、前述集:. 前述取出電極之方彳舌# 、电電極及 %極之方式重疊配置後,以填埋前述 方式設置前述第一構件之步驟。 Θ 口邛之 156461.doc201203577 VII. Patent application scope: 1. A solar cell module, characterized in that it comprises: a solar cell, wherein one surface of the substrate is formed with at least a first electrode layer, a semiconductor layer and a second two-layer layer overlapping in order a photoelectric conversion body; a collector electrode disposed on the second electrode layer; the extraction electrode 'the end thereof is connected to the current collector and is disposed on the second electrode layer; and the protective cover, ❹ G The protective cover has an opening so as to cover the solar cell, the current collecting electrode, and the extraction electrode via a sealing material; the other end of the extraction electrode extends toward the outside of the protective cover through the opening; And a first member for blocking the opening portion in such a manner as to seal the periphery of the other end of the extraction electrode; the first member is a resin having water vapor barrier properties. 201203577 The second component is integrated into one another. 6. The solar cell module of claim 5, wherein the first member and the second member comprise the same resin. 7_ The solar cell module of claim i, wherein the first member is provided only on a side surface of the opening π portion of the protective cover and a surface other than the protective cover. Ο. Item:::The manufacturing method of the module' is characterized in that it is a manufacturing method of the solar cell module of the request and the item, and the ancient/preventing cover covers the solar cell, the foregoing set: After the square tongues #, the electric electrodes and the % poles are arranged in an overlapping manner, the first member is disposed in the manner of filling the foregoing. Θ 口邛 156461.doc
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DE102014108810A1 (en) * 2014-05-21 2015-11-26 Solarwatt Gmbh Small format photovoltaic module as a glass-glass or glass-foil laminate
US10998140B2 (en) 2016-08-02 2021-05-04 Zeon Corporation Solar cell module
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