JP2002094090A - Wiring material of solar battery module and its connection method - Google Patents
Wiring material of solar battery module and its connection methodInfo
- Publication number
- JP2002094090A JP2002094090A JP2000317185A JP2000317185A JP2002094090A JP 2002094090 A JP2002094090 A JP 2002094090A JP 2000317185 A JP2000317185 A JP 2000317185A JP 2000317185 A JP2000317185 A JP 2000317185A JP 2002094090 A JP2002094090 A JP 2002094090A
- Authority
- JP
- Japan
- Prior art keywords
- cells
- wiring member
- insulating material
- solar cell
- wiring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
Landscapes
- Photovoltaic Devices (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、複数配設されたセルの
電極間を接続する太陽電池モジュルールの配線材に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wiring member for a solar cell module that connects between electrodes of a plurality of cells.
【０００２】[0002]
【従来の技術】一般に、図１に示すように、太陽電池セ
ル１を複数配設してモジュール化を図るに際して、それ
ぞれ所定の間隔を空けて配設された太陽電池セル１が電
気的に直列接続されるように、各太陽電池セル１の間を
その上面において配線材２′によって接続するようにし
ている。2. Description of the Related Art In general, as shown in FIG. 1, when a plurality of solar cells 1 are arranged to form a module, the solar cells 1 arranged at predetermined intervals are electrically connected in series. The connection between the solar cells 1 is made by a wiring member 2 ′ on the upper surface so as to be connected.
【０００３】その場合、従来では、図２に示すように、
一方の太陽電池セル１Ａの−電極部分と他方の太陽電池
セル１Ｂの＋電極部分との間にわたって、箔状の導体か
らなる配線材２′を導電性の接着剤または半田によって
取り付けるようにしている。In such a case, conventionally, as shown in FIG.
A wiring member 2 'made of a foil-shaped conductor is attached between the negative electrode portion of one solar cell 1A and the positive electrode portion of the other solar cell 1B by a conductive adhesive or solder. .
【０００４】太陽電池セル１の表面には、図３に示すよ
うに、−電極３および＋電極４が設けられている。図
中、５は各電極３，４を電気的に分離する絶縁溝を示し
ている。As shown in FIG. 3, a negative electrode 3 and a positive electrode 4 are provided on the surface of the solar cell 1. In the drawing, reference numeral 5 denotes an insulating groove for electrically separating the electrodes 3 and 4 from each other.
【０００５】しかして、各太陽電池セル１の間をその上
面において箔状の導体からなる配線材２′によって接続
するのでは、ラミネート処理時に太陽電池セル１がずれ
てセル同士が接触するとそのセル間が短絡してしまうの
で、ずれによるセル同士の接触を防止するために予めセ
ルの間隔を広くとる必要があるものになっている。However, when the solar cells 1 are connected to each other by the wiring member 2 'made of a foil-like conductor on the upper surface thereof, when the solar cells 1 are displaced during the laminating process and the cells come into contact with each other, the cells are contacted. Since the gaps are short-circuited, it is necessary to increase the intervals between the cells in advance in order to prevent the cells from contacting each other due to the displacement.
【０００６】[0006]
【発明が解決しようとする課題】解決しようとする問題
点は、複数配設された太陽電池セルの間をその上面にお
いて箔状の導体からなる配線材によって接続する場合、
ずれによるセル同士の接触を防止するために予めセルの
間隔を広くとるようにするのでは、太陽電池モジョール
の損失面積が大きくなってしまうことである。The problem to be solved is that a plurality of solar cells are connected by a wiring member made of a foil-like conductor on the upper surface thereof.
If the spacing between cells is widened in advance in order to prevent contact between cells due to displacement, the loss area of the solar battery module increases.
【０００７】[0007]
【課題を解決するための手段】本発明による太陽電池モ
ジュールの配線材にあっては、複数配設された太陽電池
セルの上面で電極間を接続するに際して、ずれによるセ
ル同士の接触を防止するべく、箔状の導体の下面に、セ
ル間の隙間への突出部を有する絶縁材を接着するように
している。In the wiring member of the solar cell module according to the present invention, when the electrodes are connected on the upper surface of the plurality of solar cells, contact between the cells due to displacement is prevented. To this end, an insulating material having a protrusion into the gap between the cells is bonded to the lower surface of the foil-shaped conductor.
【０００８】また、本発明による太陽電池モジュールの
配線材にあっては、複数配設された太陽電池セルの上面
で電極間を接続するに際して、ずれによるセル同士の接
触を防止するべく、箔状の導体をセル間の隙間へ突出す
る折曲部を有する形状にして、その折曲部分の下面に絶
縁材を接着するか、またはその折曲部分を絶縁材によっ
て被覆するようにしている。Further, in the wiring member of the solar cell module according to the present invention, when connecting between the electrodes on the upper surface of the plurality of solar cells, a foil-shaped member is provided to prevent contact between the cells due to displacement. Is formed into a shape having a bent portion protruding into a gap between cells, and an insulating material is adhered to the lower surface of the bent portion, or the bent portion is covered with the insulating material.
【０００９】[0009]
【実施例】図４は、本発明による太陽電池モジュールの
配線材の一実施例を示している。FIG. 4 shows an embodiment of a wiring member of a solar cell module according to the present invention.
【００１０】ここでは、太陽電池セル１Ａと太陽電池セ
ル１Ｂとの間を電気的に接続する箔状の導体６の下面
に、セル間の隙間への突出部７１を有する絶縁材７を接
着したものを配線材２として用いるようにしている。Here, an insulating material 7 having a projecting portion 71 extending into a gap between the cells is bonded to the lower surface of the foil-shaped conductor 6 for electrically connecting the solar cells 1A and 1B. This is used as the wiring member 2.
【００１１】その突出部７１としては、太陽電池セル１
Ａ，１Ｂの側面にわたって突出するように形成されてい
る。その突出部７１の長さｌは、セル自体の厚さをｈと
したとき、例えば、ｈ／２≦ｌ≦ｈの範囲となるように
設定されている。As the protruding portion 71, the solar cell 1
A and 1B are formed so as to protrude over the side surfaces. The length 1 of the protruding portion 71 is set so as to be in a range of, for example, h / 2 ≦ l ≦ h, where h is the thickness of the cell itself.
【００１２】配線材２が可撓性を有するように、導体６
にアルミニウム、銅などの柔軟性をもった導電材料が用
いられ、絶縁材７にポリイミド、ポリエステルなどの柔
軟性をもった絶縁材料が用いられる。[0012] The conductor 6 is so arranged that the wiring member 2 has flexibility.
For example, a flexible conductive material such as aluminum or copper is used, and a flexible insulating material such as polyimide or polyester is used for the insulating material 7.
【００１３】また、導体６には、腐蝕を防ぐとともにオ
ーミック接続がとりやすいように、錫、ニッケル等のメ
ッキが施されている。The conductor 6 is plated with tin, nickel or the like so as to prevent corrosion and facilitate ohmic connection.
【００１４】なお、絶縁材７に剛性をもたせるようにす
れば、太陽電池セル１Ａ，１Ｂ間のずれを防止すること
ができるようになる。If the insulating material 7 is provided with rigidity, it is possible to prevent the displacement between the solar cells 1A and 1B.
【００１５】図５は、本発明による太陽電池モジュール
の配線材の他の実施例を示している。FIG. 5 shows another embodiment of the wiring member of the solar cell module according to the present invention.
【００１６】ここでは、特に、箔状の導体６の上面に、
ポリイミド、ポリエステルなどからなる絶縁材８を接着
して、配線材２の可撓性を保持しながら、導体６の保護
およびさらなる腐蝕の防止を図るようにしている。Here, in particular, on the upper surface of the foil-shaped conductor 6,
An insulating material 8 made of polyimide, polyester, or the like is bonded to protect the conductor 6 and prevent further corrosion while maintaining the flexibility of the wiring member 2.
【００１７】図６は、本発明による太陽電池モジュール
の配線材のさらに他の実施例を示している。FIG. 6 shows still another embodiment of the wiring member of the solar cell module according to the present invention.
【００１８】ここでは、太陽電池セル１Ａと太陽電池セ
ル１Ｂとの間を電気的に接続する箔状の導体６を、セル
間の隙間にＶ字状に突出する折曲部６１を有する形状に
して、その折曲部分の下面にポリイミド、ポリエステル
などからなる絶縁材８を接着するようにしている。Here, the foil-shaped conductor 6 for electrically connecting the solar cells 1A and 1B is formed into a shape having a bent portion 61 projecting in a V-shape in the gap between the cells. Thus, an insulating material 8 made of polyimide, polyester, or the like is bonded to the lower surface of the bent portion.
【００１９】図７は、本発明による太陽電池モジュール
の配線材のさらに他の実施例を示している。FIG. 7 shows still another embodiment of the wiring member of the solar cell module according to the present invention.
【００２０】ここでは、太陽電池セル１Ａと太陽電池セ
ル１Ｂとの間を電気的に接続する箔状の導体６を、セル
間の隙間にＶ字状に突出する折曲部６１を有する形状に
して、その折曲部分をポリイミド、ポリエステルなどか
らなる絶縁材９によって被覆するようにしている。Here, the foil-shaped conductor 6 for electrically connecting the solar cells 1A and 1B is formed into a shape having a bent portion 61 projecting in a V-shape in the gap between the cells. Then, the bent portion is covered with an insulating material 9 made of polyimide, polyester, or the like.
【００２１】また、図８では、Ｖ字状の折曲部分を絶縁
材９によって被覆した箔状の導体６の上面の裸出部分に
絶縁材８を接着して、導体６の保護および腐蝕の防止を
図るようにしている。In FIG. 8, the insulating material 8 is adhered to the exposed portion of the upper surface of the foil-shaped conductor 6 in which the V-shaped bent portion is covered with the insulating material 9 to protect the conductor 6 and prevent corrosion. We try to prevent it.
【００２２】本発明では、以上のような配線材をセル間
に接続するに際して、以下のような方法をとるようにし
ている。In the present invention, the following method is used to connect the above-described wiring members between cells.
【００２３】第１の接続方法として、導電性の接着剤を
予めスクリーン印刷機やディスペンサーなどを用いて太
陽電池セルの電極に塗布したうえで、その上に配線材を
配置して熱架橋する。As a first connection method, a conductive adhesive is applied to the electrodes of the solar cell in advance by using a screen printing machine or a dispenser, and then a wiring member is disposed thereon and thermally crosslinked.
【００２４】第２の接続方法として、配線材端部の導体
の下部に導電性接着剤を予め塗布してフィルムでカバー
しておき、接続時にそのフィルムをはがして配線材を太
陽電池セルの電極部分に接着する。As a second connection method, a conductive adhesive is applied in advance to the lower part of the conductor at the end of the wiring member and covered with a film, and the film is peeled off at the time of connection to remove the wiring member from the electrode of the solar cell. Glue to the part.
【００２５】第３の接続方法として、予め導電性の接着
剤が両面に塗布されたテープを太陽電池セルの電極部分
または配線材端部の導体下部に貼り付けておいて、太陽
電池セルに配線材を接着する。As a third connection method, a tape preliminarily coated with a conductive adhesive on both sides is attached to the electrode portion of the solar cell or the lower portion of the conductor at the end of the wiring member, and the wiring is applied to the solar cell. Glue the material.
【００２６】第４の接続方法として、予めハンダを太陽
電池セルの電極部分または配線材端部の導体下部に付け
ておいて、太陽電池セルの電極部分に配線材を配置し
て、ランプ加熱等によってハンダを溶融してその電極部
分に配線材を接続する。As a fourth connection method, solder is previously attached to the electrode portion of the solar cell or to the lower part of the conductor at the end of the wiring member, and the wiring member is arranged at the electrode portion of the solar cell to heat the lamp. Thus, the solder is melted and a wiring member is connected to the electrode portion.
【００２７】このように、複数配設された太陽電池セル
の間を本発明による配線材によって電気的に接続したう
えで、例えば図９に示すように、配線材２の上からポリ
イミド、ポリエステルなどの柔軟性をもった絶縁材料か
らなるテープ１０を貼り付けることによって、可撓性を
保持しながら、太陽電池セル１に対する配線材２の接続
強度を有効に向上させることができる。As described above, after a plurality of solar cells are electrically connected by the wiring member according to the present invention, for example, as shown in FIG. By attaching the tape 10 made of an insulating material having flexibility, the connection strength of the wiring member 2 to the solar cell 1 can be effectively improved while maintaining flexibility.
【００２８】[0028]
【発明の効果】以上、本発明による太陽電池モジュール
の配線材にあっては、箔状の導体の下面にセル間の隙間
への突出部を有する絶縁材を接着した配線材、または箔
状の導体をセル間の隙間へ突出する折曲部を有する形状
にして、その折曲部分の下面に絶縁材を接着するかまた
はその折曲部分を絶縁材によって被覆するようにしたも
ので、複数配設された太陽電池セルの上面で電極間をそ
の配線材によって接続するだけで、ずれによるセル同士
の接触を確実に防止することができるという利点があ
る。As described above, in the wiring member of the solar cell module according to the present invention, a wiring member in which an insulating material having a protrusion to a gap between cells is bonded to the lower surface of a foil-like conductor, or a foil-like member is used. The conductor has a bent portion protruding into a gap between cells, and an insulating material is adhered to the lower surface of the bent portion or the bent portion is covered with the insulating material. There is an advantage that contact between the cells due to displacement can be reliably prevented only by connecting the electrodes on the upper surface of the provided solar battery cell with the wiring member.
【図１】モジュール化を図るに際して複数配設された太
陽電池セルの間を配線材によって接続した状態を示す平
面図である。FIG. 1 is a plan view showing a state in which a plurality of solar cells are connected by a wiring member when modularization is performed.
【図２】２つの太陽電池セルの間を従来の配線材によっ
て電気的に接続した状態を示す正面図である。FIG. 2 is a front view showing a state where two solar cells are electrically connected by a conventional wiring member.
【図３】上面に＋電極と−電極とが配された太陽電池セ
ルの一般的な構造を示す平面図である。FIG. 3 is a plan view showing a general structure of a solar cell in which a positive electrode and a negative electrode are arranged on an upper surface.
【図４】本発明の一実施例による配線材によって太陽電
池セルの間を電気的に接続した状態を示す正面図であ
る。FIG. 4 is a front view showing a state in which solar cells are electrically connected by a wiring member according to an embodiment of the present invention.
【図５】本発明の他の実施例による配線材によって太陽
電池セルの間を電気的に接続した状態を示す正面図であ
る。FIG. 5 is a front view showing a state in which solar cells are electrically connected by a wiring member according to another embodiment of the present invention.
【図６】本発明のさらに他の実施例による配線材によっ
て太陽電池セルの間を電気的に接続した状態を示す正面
図である。FIG. 6 is a front view showing a state in which solar cells are electrically connected by a wiring member according to still another embodiment of the present invention.
【図７】本発明のさらに他の実施例による配線材によっ
て太陽電池セルの間を電気的に接続した状態を示す正面
図である。FIG. 7 is a front view showing a state in which solar cells are electrically connected by a wiring member according to still another embodiment of the present invention.
【図８】本発明のさらに他の実施例による配線材によっ
て太陽電池セルの間を電気的に接続した状態を示す正面
図である。FIG. 8 is a front view showing a state in which solar cells are electrically connected by wiring members according to still another embodiment of the present invention.
【図９】太陽電池セルの間に接続された配線材の上から
絶縁テープを貼り付けた状態の一例を示す正面図であ
る。FIG. 9 is a front view showing an example of a state in which an insulating tape is attached from above a wiring member connected between solar cells.
１ 太陽電池セル ２ 配線材 ６ 箔状の導体 ６１ 折曲部 ７ 絶縁材 ７１ 突出部 ８ 絶縁材 ９ 絶縁材 １０ 絶縁テープ DESCRIPTION OF SYMBOLS 1 Solar cell 2 Wiring material 6 Foil-shaped conductor 61 Bending part 7 Insulating material 71 Projection 8 Insulating material 9 Insulating material 10 Insulating tape
Claims (6)
極間を接続する配線材であって、箔状の導体の下面に、
セル間の隙間への突出部を有する絶縁材を接着した太陽
電池モジュールの配線材。1. A wiring member for connecting electrodes on the upper surface of a plurality of arranged solar cells, wherein the wiring member is provided on the lower surface of a foil-shaped conductor.
A wiring material for a solar cell module to which an insulating material having a protruding portion extending into a gap between cells is bonded.
ように形成されていることを特徴とする請求項１の記載
による太陽電池モジュールの配線材。2. The wiring member for a solar cell module according to claim 1, wherein the projecting portion is formed so as to project over the side surface of the cell.
特徴とする請求項１の記載による太陽電池モジュールの
配線材。3. The wiring member for a solar cell module according to claim 1, wherein an insulating material is bonded to an upper surface of the conductor.
極間を接続する配線材であって、箔状の導体をセル間の
隙間へ突出する折曲部を有する形状にして、その折曲部
分の下面に絶縁材を接着するか、またはその折曲部分を
絶縁材によって被覆した太陽電池モジュールの配線材。4. A wiring member for connecting between electrodes on the upper surface of a plurality of solar cells, wherein the foil-shaped conductor is formed into a shape having a bent portion projecting into a gap between the cells. A wiring material for a solar cell module in which an insulating material is adhered to the lower surface of the bent portion or the bent portion is covered with the insulating material.
ことを特徴とする請求項１または請求項４の記載による
太陽電池モジュールの配線材。5. The wiring material for a solar cell module according to claim 1, wherein the conductor and the insulating material are made of a flexible material.
プを貼付したことを特徴とする請求項１または請求項４
の記載による太陽電池モジュールの配線材。6. The method according to claim 1, wherein an insulating tape is attached on a wiring member connected between the cells.
Wiring material for a solar cell module according to the description.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000317185A JP2002094090A (en) | 2000-09-11 | 2000-09-11 | Wiring material of solar battery module and its connection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000317185A JP2002094090A (en) | 2000-09-11 | 2000-09-11 | Wiring material of solar battery module and its connection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002094090A true JP2002094090A (en) | 2002-03-29 |
Family
ID=18796017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000317185A Pending JP2002094090A (en) | 2000-09-11 | 2000-09-11 | Wiring material of solar battery module and its connection method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002094090A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006245153A (en) * | 2005-03-02 | 2006-09-14 | Neomax Material:Kk | Electrode connecting wire material for solar cell, and solar cell connected with wire material |
| WO2008139994A1 (en) * | 2007-05-09 | 2008-11-20 | Hitachi Chemical Company, Ltd. | Conductor connection member, connection structure, and solar cell module |
| JP2012160769A (en) * | 2012-05-31 | 2012-08-23 | Sanyo Electric Co Ltd | Solar cell module |
| JP2013008983A (en) * | 2004-06-04 | 2013-01-10 | Sunpower Corp | Interconnection of solar cells in solar cell module |
| JP2015530758A (en) * | 2012-09-28 | 2015-10-15 | サンパワー コーポレイション | Method for forming and improving solder joint thickness and planarity control mechanisms for solar cells |
| JP2016529863A (en) * | 2013-07-19 | 2016-09-23 | ダウ グローバル テクノロジーズ エルエルシー | Connector system for solar array |
| US9660131B2 (en) | 2007-05-09 | 2017-05-23 | Hitachi Chemical Company, Ltd. | Method for connecting conductor, member for connecting conductor, connecting structure and solar cell module |
| JPWO2018061367A1 (en) * | 2016-09-27 | 2019-07-04 | 株式会社カネカ | Solar cell module |
-
2000
- 2000-09-11 JP JP2000317185A patent/JP2002094090A/en active Pending
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| JP4683466B2 (en) * | 2005-03-02 | 2011-05-18 | 株式会社Ｎｅｏｍａｘマテリアル | Electrode connection wire for solar cell and solar cell connected by the wire |
| JP2006245153A (en) * | 2005-03-02 | 2006-09-14 | Neomax Material:Kk | Electrode connecting wire material for solar cell, and solar cell connected with wire material |
| JP5115553B2 (en) * | 2007-05-09 | 2013-01-09 | 日立化成工業株式会社 | Conductor connection member, connection structure, and solar cell module |
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| WO2008139994A1 (en) * | 2007-05-09 | 2008-11-20 | Hitachi Chemical Company, Ltd. | Conductor connection member, connection structure, and solar cell module |
| US9660131B2 (en) | 2007-05-09 | 2017-05-23 | Hitachi Chemical Company, Ltd. | Method for connecting conductor, member for connecting conductor, connecting structure and solar cell module |
| US10032952B2 (en) | 2007-05-09 | 2018-07-24 | Hitachi Chemical Company, Ltd. | Connecting structure and solar cell module |
| US10186627B2 (en) | 2007-05-09 | 2019-01-22 | Hitachi Chemical Company, Ltd. | Conductor connection member, connection structure, and solar cell module |
| JP2012160769A (en) * | 2012-05-31 | 2012-08-23 | Sanyo Electric Co Ltd | Solar cell module |
| JP2015530758A (en) * | 2012-09-28 | 2015-10-15 | サンパワー コーポレイション | Method for forming and improving solder joint thickness and planarity control mechanisms for solar cells |
| JP2016529863A (en) * | 2013-07-19 | 2016-09-23 | ダウ グローバル テクノロジーズ エルエルシー | Connector system for solar array |
| JPWO2018061367A1 (en) * | 2016-09-27 | 2019-07-04 | 株式会社カネカ | Solar cell module |
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