JPH1051021A - Connection method for solar battery module - Google Patents

Connection method for solar battery module

Info

Publication number
JPH1051021A
JPH1051021A JP8206690A JP20669096A JPH1051021A JP H1051021 A JPH1051021 A JP H1051021A JP 8206690 A JP8206690 A JP 8206690A JP 20669096 A JP20669096 A JP 20669096A JP H1051021 A JPH1051021 A JP H1051021A
Authority
JP
Japan
Prior art keywords
solar cell
adhesive
cell module
solar battery
connection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP8206690A
Other languages
Japanese (ja)
Inventor
Yujiro Watanuki
勇次郎 綿貫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fuji Electric Co Ltd
Original Assignee
Fuji Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd
Priority to JP8206690A priority Critical patent/JPH1051021A/en
Publication of JPH1051021A publication Critical patent/JPH1051021A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/10Photovoltaic [PV]
    • 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

Landscapes

  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Photovoltaic Devices (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide the connection method for the flexible solar battery module with high mechanical strength, less in intrusion of water contents and high reliability. SOLUTION: In this method, solar battery modules M1, M2 are connected, which are formed by inserting a solar battery unit formed with a photoelectric conversion element 1c on a flexible board between seal films 4 together with a main wire and sealing the element. End faces of the adjacent solar battery modules are butted and adhered by an adhesives 6. The seal films 4 on the main wiring of the butted parts are removed to expose the end of the main wiring, after both the main wires are soldered to a connection metallic fixture 5, the connected part and the butted part of the seal films 4 are adhered by the adhesives 6. Moreover, the butted parts are coated and sealed over the entire width of the solar battery modules M1, M2 with connection members 81, 82.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明はフレキシブルな太陽
電池モジュール、特に住宅等の上部に設置して電力を得
ることのできる太陽電池モジュールの接続方法に関す
る。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flexible solar cell module, and more particularly to a method for connecting a solar cell module which can be installed on a house or the like to obtain power.

【0002】[0002]

【従来の技術】フレキシブルなフィルム基板を用いたフ
レキシブルタイプの太陽電池は、製造の際にロールツー
ロール方式、あるいはステッピングロール方式により高
い生産性を実現できることから有望視されている。また
軽量でフレキシビリティがあるため、任意の形状の面上
に設置でき、さらに、長尺のものが得られるため、特に
面積の大きい住宅等の屋根上への設置に適している。太
陽電池はその表裏保護を目的として、従来より製造され
ているガラスタイプの太陽電池と同様にエチレンビニル
アセテート(以下、略号EVAを用いる)等で封止され
て太陽電池モジュールとされている。
2. Description of the Related Art A flexible type solar cell using a flexible film substrate is considered to be promising because high productivity can be realized by a roll-to-roll system or a stepping roll system in manufacturing. In addition, since it is lightweight and flexible, it can be installed on a surface of any shape, and since it can be long, it is particularly suitable for installation on a roof of a large-area house or the like. The solar cell is sealed with ethylene vinyl acetate (hereinafter, abbreviated as EVA) or the like to form a solar cell module for the purpose of protecting the front and back surfaces of the solar cell, similarly to a conventionally manufactured glass-type solar cell.

【0003】図3はフレキシブルタイプの太陽電池モジ
ュールの一例の一部を示し、(a)は平面図であり、
(b)は(a)におけるXX断面図である。太陽電池ユ
ニット1uは、フレキシブル基板1sとその上の電極1
a、光電変換層1pおよび電極1bの積層からなる複数
の太陽電池セルからなっている。複数枚の太陽電池ユニ
ット1uを主配線2と補助配線3により接続し、両面を
長尺の封止フィルム4に挟み込み封止した後、設置や輸
送に適した適当数の太陽電池ユニット分を裁断して、個
別の太陽電池モジュールMとされる。太陽電池モジュー
ルMの端面(裁断面)には主配線の端面も露出してい
る。
[0003] FIG. 3 shows a part of an example of a flexible type solar cell module, in which (a) is a plan view,
(B) is XX sectional drawing in (a). The solar cell unit 1u includes a flexible substrate 1s and an electrode 1 thereon.
a, a plurality of solar cells formed by laminating the photoelectric conversion layer 1p and the electrode 1b. After connecting a plurality of solar cell units 1u with the main wiring 2 and the auxiliary wiring 3 and sandwiching and sealing both sides with a long sealing film 4, an appropriate number of solar cell units suitable for installation and transportation are cut. Thus, individual solar cell modules M are obtained. The end surface of the main wiring is also exposed on the end surface (cut surface) of the solar cell module M.

【0004】封止フィルム4としては、互いの接着性が
良く、耐候性の高いEVAのフィルムが適している。太
陽電池を建屋の屋根などに設置する場合、必要電力が得
られるように複数の太陽電池モジュールを接続する必要
がある。図4は従来の太陽電池モジュールの接続部を示
し、(a)は平面図であり、(b)は(a)におけるY
Y断面図である。
[0004] As the sealing film 4, an EVA film having good adhesion to each other and high weather resistance is suitable. When a solar cell is installed on a building roof or the like, it is necessary to connect a plurality of solar cell modules so as to obtain necessary power. 4A and 4B show a connection portion of a conventional solar cell module, FIG. 4A is a plan view, and FIG.
It is a Y sectional view.

【0005】互いに隣接する太陽電池モジュールの一方
の太陽電池モジュールMの端面より主配線2を露出さ
せ、太陽電池モジュールの主配線2間にリード線Lを直
接はんだ付け接続し、接続部とその周縁を接続部材83
として粘着剤付きフッ素系樹脂テープにより被覆封止し
ていた。リード線Lの他端は図示してない隣接太陽電池
モジュールに同様に接続される。
The main wiring 2 is exposed from the end face of one of the solar cell modules M of the adjacent solar cell modules, and a lead L is directly connected between the main wirings 2 of the solar cell module by soldering. The connection member 83
And sealed with a fluororesin tape with an adhesive. The other end of the lead wire L is similarly connected to an adjacent solar cell module (not shown).

【0006】[0006]

【発明が解決しようとする課題】しかし、粘着剤付きフ
ッ素系樹脂テープは粘着性が低く剥離し易く、主配線の
接続部が腐食することがあり、長期信頼性に欠けてい
た。また、フッ素系樹脂と粘着剤の粘着力が充分とはい
えず、設置作業中等に太陽電池モジュールが引っ張られ
た場合には接続部のみが力を受け粘着剤にずれが生じ、
さらに信頼性は低下する恐れがある。
However, the fluororesin tape with an adhesive has low adhesiveness and is easily peeled off, and the connection portion of the main wiring may be corroded, and thus lacks long-term reliability. In addition, the adhesive strength between the fluororesin and the adhesive is not sufficient, and when the solar cell module is pulled during installation work or the like, only the connection portion receives a force and the adhesive is displaced,
Further, the reliability may be reduced.

【0007】上記の問題点に鑑み、本発明の目的は、機
械的強度の高く、水分の侵入の少なく、信頼性の高いフ
レキシブルタイプの太陽電池モジュールの接続方法を提
供することにある。
[0007] In view of the above problems, an object of the present invention is to provide a highly reliable connection method of a flexible solar cell module with high mechanical strength, little intrusion of moisture, and high reliability.

【0008】[0008]

【課題を解決するための手段】上記の目的を達成するた
めに、フレキシブルな基板上に光電変換素子が形成され
てなる太陽電池ユニットを主配線と共に封止フィルムの
間に挟み込み封止してなる太陽電池モジュールの接続方
法において、隣接する太陽電池モジュールの互いの端面
を突き合わせて接着剤により接着することを含むことと
する。
In order to achieve the above object, a solar cell unit having a photoelectric conversion element formed on a flexible substrate is sandwiched and sealed between a sealing film together with a main wiring. The method for connecting solar cell modules includes abutting the end faces of adjacent solar cell modules with each other and bonding them with an adhesive.

【0009】前記突き合わせ部の接着剤はアルキルα−
シアノアクリレートであると良い。前記突き合わせ部の
主配線上の封止フィルムを除去して主配線端部を露出さ
せ、両主配線に金属箔をはんだ付け接続した後、この接
続部と前記封止フィルムの突き合わせ部を前記接着剤に
より接着し、さらに前記突き合わせ部を太陽電池モジュ
ールの全幅にわたって接続部材により被覆封止すること
とする。
The adhesive at the butting portion is an alkyl α-
It is good to be cyanoacrylate. After removing the sealing film on the main wiring of the butt portion to expose the end of the main wiring and soldering and connecting metal foil to both main wirings, the butt portion of the connection portion and the sealing film is bonded to the bonding portion. Then, the butted portion is covered and sealed with a connecting member over the entire width of the solar cell module.

【0010】前記接続部材はプライマーを介してシリコ
ーン接着剤により接着されるガラステープであると良
い。前記ガラステープにはあらかじめシリコーン接着剤
を含浸されていると良い。本発明によれば、上記のよう
に太陽電池モジュールはその端面を突き合わされている
ので、モジュール間に隙間はなく、受光の有効面積率を
高めることが可能である。さらに端面同志が接着されて
いるので、接続強度は高い。
The connecting member is preferably a glass tape adhered by a silicone adhesive via a primer. The glass tape is preferably impregnated with a silicone adhesive in advance. According to the present invention, as described above, since the solar cell module has its end faces abutted, there is no gap between the modules, and the effective area ratio of light reception can be increased. Furthermore, since the end faces are bonded, the connection strength is high.

【0011】また、接続部の封止は外部リードを用いた
場合の封止に較べ形状は単純で、単一であり封止は容易
にできる。主配線の接続を薄い金属箔を用いたので、そ
の部分の厚さは大きくならず、全体が凹凸が少なく、封
止に適した形状であり、封止は無理なく行うことができ
る。
The sealing of the connection portion is simpler and simpler than that of the case where external leads are used, and the sealing is easy. Since a thin metal foil is used for the connection of the main wiring, the thickness of the portion does not increase, the whole has little unevenness, and has a shape suitable for sealing, and sealing can be easily performed.

【0012】また、封止内部の隙間は接着剤により満た
されており、水分などが滞留しないので、配線が腐食す
る可能性が低い。また、封止外側は機械的強度の高いガ
ラステープであるためモジュールの引っ張り強度は高
い。
Further, since the gap inside the sealing is filled with an adhesive and moisture and the like do not stay, the possibility of corrosion of the wiring is low. Further, since the outside of the sealing is a glass tape having high mechanical strength, the module has high tensile strength.

【0013】[0013]

【発明の実施の形態】BEST MODE FOR CARRYING OUT THE INVENTION

実施例1 図2はこの実施例で用いた太陽電池モジュールの一部を
示し、(a)は平面図であり、(b)は(a)における
XX断面図である。絶縁性でフレキシブルな長尺の基板
1s上に形成された複数の太陽電池セル1cの光入射側
は、膜厚0.25mmのEVAからなる封止フィルム1fを用
いて80°Cの条件にて簡易ラミネートされ保護されて
いる。太陽電池セル1cの裏側には孔1hを通して接続
されている極性の異なる電極1eが基板1sの両側に形
成されている。この長尺基板上の太陽電池セル1c(光
電変換層とこれを挟む電極の3層部分)の初期特性を測
定し、良好な太陽電池セルを所定の大きさ(400mmx800m
m )に裁断し、個別の太陽電池ユニット1uとした。
Example 1 FIGS. 2A and 2B show a part of a solar cell module used in this example, in which FIG. 2A is a plan view, and FIG. 2B is a sectional view taken along line XX in FIG. The light incident side of a plurality of solar cells 1c formed on an insulating and flexible long substrate 1s is easily formed at 80 ° C. using a sealing film 1f made of EVA having a thickness of 0.25 mm. Laminated and protected. On the back side of the solar cell 1c, electrodes 1e having different polarities connected through holes 1h are formed on both sides of the substrate 1s. The initial characteristics of the photovoltaic cell 1c (the three-layer portion of the photoelectric conversion layer and the electrode sandwiching the photoelectric conversion layer) on the long substrate were measured, and a good photovoltaic cell was formed into a predetermined size (400 mm × 800 m).
m) to obtain individual solar cell units 1u.

【0014】次にこの太陽電池ユニット1uの両側の電
極1eの接続のため、Sn/Cu/Snよりなる主配線2(幅10
mm)を太陽電池ユニット1uの両側に配置し、導電性粘
着剤付きAl箔よりなる補助配線3(幅10mm)により接
続した。さらに太陽電池ユニット1uおよび配線部を覆
う幅であり、長尺の2枚のEVAフィルム(膜厚:光入
射側は0.25mm、裏側は0.60mm)4で挟み、150°Cの
熱融着により長尺の太陽電池モジュールを作製した。長
尺の太陽電池モジュールから所定数の太陽電池ユニット
分を裁断し個別の太陽電池モジュールMとした。太陽電
池モジュールMの端面(裁断面)には主配線2の端面も
現れている。
Next, in order to connect the electrodes 1e on both sides of the solar cell unit 1u, the main wiring 2 (width 10 mm) made of Sn / Cu / Sn is used.
mm) were placed on both sides of the solar cell unit 1u, and connected by an auxiliary wiring 3 (10 mm in width) made of Al foil with a conductive adhesive. Furthermore, it is a width that covers the solar cell unit 1u and the wiring portion, and is sandwiched between two long EVA films (thickness: 0.25 mm on the light incident side, 0.60 mm on the back side) 4 and heat-sealed at 150 ° C. A long solar cell module was manufactured. A predetermined number of solar cell units were cut from the long solar cell module to obtain individual solar cell modules M. The end surface of the main wiring 2 also appears on the end surface (cut surface) of the solar cell module M.

【0015】図1は本発明に係る太陽電池モジュールの
接続方法における主要工程順を示し、(a)は仮止め、
EVA除去およびはんだ付け工程後の平面図、(b)は
(a)におけるXX断面図、(c)は接着剤含浸と第1
の接続部材の接着工程後の平面図、(d)は(c)にお
けるXX断面図、(e)は仮止めの除去と第2の接続部
材の接着工程後の平面図、(f)は(e)におけるXX
断面図である。
FIG. 1 shows a main process sequence in a method of connecting a solar cell module according to the present invention.
Plan view after EVA removal and soldering steps, (b) is a cross-sectional view taken along line XX in (a), (c) is adhesive impregnation and first
(D) is a sectional view taken along the line XX in (c), (e) is a plan view after the removal of the temporary fixing and the bonding step of the second connecting member, and (f) is ( XX in e)
It is sectional drawing.

【0016】2枚の太陽電池モジュール(以下、モジュ
ールと略す)M1、M2の封止フィルム4の端面を互い
に突き合わせ、突き合わせ部に沿ってモジュールのどち
らかの面(例えば光入射側面)に仮止めテープTとして
粘着剤付きテトラフルオロエチレンテープを粘着させて
2枚のモジュールM1、M2を仮止めした。突き合わせ
部には裁断の凹凸による隙間Sが生じている(見えるよ
うに拡大してある)。その反対面の主配線2の端部の上
のEVAフィルムを超音波カッターやナイフ等を用いて
除去し、予めはんだコーティングしてある長方形の銅等
の金属箔よりなる接続金具5を両方の主配線2にまたが
ってはんだ付け接続した(図1(a)、(b))。
The end faces of the sealing films 4 of the two solar cell modules (hereinafter abbreviated as modules) M1 and M2 abut against each other, and are temporarily fixed to one of the modules (for example, the light incident side surface) along the abutting portion. As a tape T, a tetrafluoroethylene tape with an adhesive was adhered to temporarily fix the two modules M1 and M2. A gap S is formed in the butted portion due to the unevenness of the cutting (the gap S is enlarged so as to be seen). The EVA film on the end of the main wiring 2 on the opposite side is removed by using an ultrasonic cutter or a knife or the like, and a connection fitting 5 made of a metal foil such as rectangular copper, which has been solder-coated in advance, is connected to both main wirings. Soldering connection was performed over the wiring 2 (FIGS. 1A and 1B).

【0017】次に、浸透性の高い速乾性の第1の接着剤
6としてアルキルα−シアノアクリレート(例えば
(株) 東亜合成製、アロンアルファ)を突き合わせ部の
凹凸隙間S(理解のため拡大してある)に含浸、固化さ
せた。次に、プライマー(例えば信越化学工業 (株) 製
プライマーD)を塗布後、第1の接続部材81として、
シリコーン接着剤(例えば信越化学工業 (株) 製シリコ
ーンKE−45)などの第2の接着剤7を塗布含浸した
ガラステープ81でモジュール全幅にわたって接着封止
した(図1(c)、(d))。第2の接着剤7はガラス
テープよりはみ出すことはなくシリコーン接着剤および
ガラステープを太陽電池セル1cの側辺まで広げること
により、接続強度をできるだけ高くすることができる。
Next, an alkyl α-cyanoacrylate (for example,
A concave / convex gap S (enlarged for understanding) at the butted portion was impregnated and solidified with Alon Alpha (manufactured by Toa Gosei Co., Ltd.). Next, after applying a primer (for example, Primer D manufactured by Shin-Etsu Chemical Co., Ltd.),
The entire module was bonded and sealed with a glass tape 81 coated with and impregnated with a second adhesive 7 such as a silicone adhesive (for example, silicone KE-45 manufactured by Shin-Etsu Chemical Co., Ltd.) (FIGS. 1C and 1D). ). The second adhesive 7 does not protrude from the glass tape, and the connection strength can be increased as much as possible by spreading the silicone adhesive and the glass tape to the side of the solar cell 1c.

【0018】次に、仮止めテープTを剥離し、上記と同
様にプライマーを塗布後、第2の接着剤7(シリコーン
接着剤)を塗布含侵した第1の接続部材82(ガラステ
ープ)でモジュール全幅にわたって接着封止した(図1
(e)、(f))。光入射しないこの面では、ガラステ
ープは太陽電池セル1cと重なるまで広げ接続強度をさ
らに増強した。 実施例2 この実施例は、実施例1における光入射側面のプライマ
ーの塗布と第2の接着剤(シリコーン接着剤)の塗布状
態を整形した場合である。
Next, the temporary fixing tape T is peeled off, a primer is applied in the same manner as described above, and the first connecting member 82 (glass tape) impregnated with the second adhesive 7 (silicone adhesive) is applied. Adhesive sealing was performed over the entire width of the module (Fig. 1
(E), (f)). On this surface where no light was incident, the glass tape was spread until it overlapped with the solar cell 1c to further enhance the connection strength. Example 2 In this example, the application of the primer on the light incident side surface and the application of the second adhesive (silicone adhesive) in Example 1 were shaped.

【0019】プライマーの塗布とシリコーン接着剤を塗
布する領域の両側に整形用テープとして粘着剤付きテト
ラフルオロエチレンテープを貼付してから、プライマー
を整形用テープにかかるように塗布し、さらに第2の接
着剤(シリコーン接着剤)を同様に塗布した後、スパチ
ラを整形用テープの上に沿って動かし、余剰の第2の接
着剤をけずり落とし整形用テープの膜厚に等しい均一膜
厚に仕上げ、数分後整形用テープを剥離して、接続部材
81、82としてガラステープを圧着してから、シリコ
ーン接着剤を硬化させた。最終形態は実施例1の図1
(e)、(f)に同じである。
After applying a primer and applying a tetrafluoroethylene tape with an adhesive as a shaping tape to both sides of the area where the silicone adhesive is to be applied, the primer is applied so as to cover the shaping tape. After applying the adhesive (silicone adhesive) in the same manner, move the spatula along the shaping tape, scrape off the excess second adhesive, and finish to a uniform film thickness equal to the film thickness of the shaping tape. After several minutes, the shaping tape was peeled off, and a glass tape was pressed as connection members 81 and 82, and then the silicone adhesive was cured. The final form is FIG. 1 of the first embodiment.
The same applies to (e) and (f).

【0020】このように、第2の接着剤の幅を整形でき
るので、第2の接着剤および接続部材を光入射側では太
陽電池セルの側辺まで広げることにより、接続強度をで
きるだけ高くすることができる。 比較例1 実施例1において、太陽電池モジュールの突き合わせ部
にアルキルα−シアノアクリレート接着剤を含浸させな
かった。これ以外は実施例1と同じ接続方法とした。
As described above, since the width of the second adhesive can be shaped, the connection strength can be increased as much as possible by extending the second adhesive and the connecting member to the side of the solar cell on the light incident side. Can be. Comparative Example 1 In Example 1, the butted portion of the solar cell module was not impregnated with the alkyl α-cyanoacrylate adhesive. Otherwise, the connection method was the same as that of the first embodiment.

【0021】実施例1、実施例2および比較例1の接続
部に対して、太陽電池モジュールをの接続部に引っ張り
力を加えながら高温高湿試験(85℃、相対湿度95%
中に放置)を行った。実施例1、実施例2の接続部は2
000時間経過後もガラステープの剥離はなく、EVA
の突き合わせ部にも異常は認められなかったが、比較例
1の接続部は250時間で主配線の接続部に水分の侵入
がみられた。
A high-temperature and high-humidity test (85 ° C., 95% relative humidity) was applied to the connection portions of Example 1, Example 2 and Comparative Example 1 while applying a tensile force to the connection portion of the solar cell module.
Left inside). The connection part of the first and second embodiments is 2
Even after lapse of 000 hours, there is no peeling of the glass tape, and EVA
No abnormality was recognized in the butted portion of Comparative Example 1, however, in the connection portion of Comparative Example 1, moisture infiltration was observed at the connection portion of the main wiring in 250 hours.

【0022】[0022]

【発明の効果】本発明によれば、フレキシブルな基板上
に光電変換素子が形成されてなる太陽電池ユニットを主
配線と共に封止フィルムの間に挟み込み封止してなる太
陽電池モジュールの接続方法において、隣接する太陽電
池モジュールの互いの端面を突き合わせて接着剤により
接着することを含むために、モジュール間に隙間はな
く、受光の有効面積率を高めることが可能である。さら
に端面同志が接着されているので、接続強度は高い。
According to the present invention, there is provided a method for connecting a solar cell module in which a solar cell unit in which a photoelectric conversion element is formed on a flexible substrate is sandwiched between a sealing film together with a main wiring and sealed. In addition, since the method includes abutting the end faces of the adjacent solar cell modules with each other and bonding them with an adhesive, there is no gap between the modules, and the effective area ratio of light reception can be increased. Furthermore, since the end faces are bonded, the connection strength is high.

【0023】さらに、機械的強度の高い接続部材を接着
剤により封止フィルムを互いに接続したので、機械的強
度の強いまた、水分などの侵入しないために信頼性の高
い太陽電池モジュールの接続ができる。
Furthermore, since the sealing films are connected to each other with a bonding member having a high mechanical strength by an adhesive, a highly reliable solar cell module having a high mechanical strength and a high reliability can be obtained because no moisture or the like enters. .

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明に係る太陽電池モジュールの接続方法に
おける主要工程順を示し、(a)は仮止め、EVA除去
およびはんだ付け工程後の平面図、(b)は(a)にお
けるXX断面図、(c)は接着剤含浸と第1の接続部材
の接着工程後の平面図、(d)は(c)におけるXX断
面図、(e)は仮止めの除去と第2の接続部材の接着工
程後の平面図、(f)は(e)におけるXX断面図
1A and 1B show a main process sequence in a method for connecting a solar cell module according to the present invention, wherein FIG. 1A is a plan view after temporary fixing, EVA removal and soldering processes, and FIG. , (C) is a plan view after the adhesive impregnation and the bonding step of the first connection member, (d) is a cross-sectional view taken along the line XX in (c), (e) is removal of the temporary fixing and bonding of the second connection member Plan view after process, (f) is XX sectional view in (e)

【図2】この実施例で用いた太陽電池モジュールの一部
を示し、(a)は平面図、(b)は(a)におけるXX
断面図
FIGS. 2A and 2B show a part of a solar cell module used in this example, where FIG. 2A is a plan view and FIG.
Sectional view

【図3】フレキシブルタイプの太陽電池モジュールの一
例の一部を示し、(a)は平面図、(b)は(a)にお
けるXX断面図
3A and 3B show a part of an example of a flexible type solar cell module, wherein FIG. 3A is a plan view, and FIG.

【図4】従来の太陽電池モジュールの接続部を示し、
(a)は平面図、(b)は(a)におけるYY断面図
FIG. 4 shows a connection part of a conventional solar cell module,
(A) is a plan view, (b) is a YY sectional view in (a).

【符号の説明】[Explanation of symbols]

1s 絶縁性基板 1a 電極 1b 電極 1e 電極 1p 光電変換層 1u 太陽電池ユニット 1c 太陽電池セル 2 主配線 3 補助配線 4 封止フィルム 5 接続金具 6 第1の接着剤 7 第2の接着剤 81 接続部材 82 接続部材 83 接続部材 M 太陽電池モジュール M1 太陽電池モジュール M2 太陽電池モジュール T 仮止めテープ S 隙間 L リード線 1s Insulating substrate 1a Electrode 1b Electrode 1e Electrode 1p Photoelectric conversion layer 1u Solar cell unit 1c Solar cell 2 Main wiring 3 Auxiliary wiring 4 Sealing film 5 Connection fitting 6 First adhesive 7 Second adhesive 81 Connecting member 82 connection member 83 connection member M solar cell module M1 solar cell module M2 solar cell module T temporary fixing tape S gap L lead wire

Claims (5)

【特許請求の範囲】[Claims] 【請求項1】フレキシブルな基板上に光電変換素子が形
成されてなる太陽電池ユニットを主配線と共に封止フィ
ルムの間に挟み込み封止してなる太陽電池モジュールの
接続方法において、隣接する太陽電池モジュールの互い
の端面を突き合わせて接着剤により接着することを含む
ことを特徴とする太陽電池モジュールの接続方法。
In a method for connecting a solar cell module in which a solar cell unit in which a photoelectric conversion element is formed on a flexible substrate is sandwiched between a sealing film together with a main wiring and sealed, an adjacent solar cell module is provided. Abutting each other end faces with each other and bonding them with an adhesive.
【請求項2】前記突き合わせ部の接着剤はアルキルα−
シアノアクリレートであることを特徴とする請求項1に
記載の太陽電池モジュールの接続方法。
2. The adhesive at the butting portion is an alkyl α-
The method for connecting a solar cell module according to claim 1, wherein the connection method is a cyanoacrylate.
【請求項3】前記突き合わせ部の主配線上の封止フィル
ムを除去して主配線端部を露出させ、両主配線に金属箔
をはんだ付け接続した後、この接続部と前記封止フィル
ムの突き合わせ部を前記接着剤により接着し、さらに前
記突き合わせ部を太陽電池モジュールの全幅にわたって
接続部材により被覆封止することを特徴とする請求項1
または2に記載の太陽電池モジュールの接続方法。
3. The sealing film on the main wiring at the abutting portion is removed to expose an end of the main wiring, and a metal foil is connected to both main wirings by soldering. The butting portion is bonded with the adhesive, and the butting portion is covered and sealed with a connecting member over the entire width of the solar cell module.
Or the connection method of the solar cell module of 2.
【請求項4】前記接続部材はプライマーを介してシリコ
ーン接着剤により接着されるガラステープであることを
特徴とする請求項1ないし3に記載の太陽電池モジュー
ルの接続方法。
4. The method according to claim 1, wherein the connecting member is a glass tape adhered by a silicone adhesive through a primer.
【請求項5】前記ガラステープにはあらかじめシリコー
ン接着剤を含浸されていることを特徴とする請求項1な
いし3に記載の太陽電池モジュールの接続方法。
5. The method for connecting a solar cell module according to claim 1, wherein said glass tape is previously impregnated with a silicone adhesive.
JP8206690A 1996-08-06 1996-08-06 Connection method for solar battery module Pending JPH1051021A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8206690A JPH1051021A (en) 1996-08-06 1996-08-06 Connection method for solar battery module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8206690A JPH1051021A (en) 1996-08-06 1996-08-06 Connection method for solar battery module

Publications (1)

Publication Number Publication Date
JPH1051021A true JPH1051021A (en) 1998-02-20

Family

ID=16527508

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8206690A Pending JPH1051021A (en) 1996-08-06 1996-08-06 Connection method for solar battery module

Country Status (1)

Country Link
JP (1) JPH1051021A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001144312A (en) * 1999-11-17 2001-05-25 Fuji Electric Co Ltd Method and device for manufacturing thin-film solar cell module
JP2006295145A (en) * 2005-03-16 2006-10-26 Fuji Electric Holdings Co Ltd Manufacturing method of solar cell module

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001144312A (en) * 1999-11-17 2001-05-25 Fuji Electric Co Ltd Method and device for manufacturing thin-film solar cell module
JP2006295145A (en) * 2005-03-16 2006-10-26 Fuji Electric Holdings Co Ltd Manufacturing method of solar cell module

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