JPS6393165A - Manufacture of resin-coated photovoltaic element - Google Patents
Manufacture of resin-coated photovoltaic elementInfo
- Publication number
- JPS6393165A JPS6393165A JP61239502A JP23950286A JPS6393165A JP S6393165 A JPS6393165 A JP S6393165A JP 61239502 A JP61239502 A JP 61239502A JP 23950286 A JP23950286 A JP 23950286A JP S6393165 A JPS6393165 A JP S6393165A
- Authority
- JP
- Japan
- Prior art keywords
- resin
- film
- epoxy resin
- photovoltaic element
- water resistance
- 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
- 229920005989 resin Polymers 0.000 title claims description 17
- 239000011347 resin Substances 0.000 title claims description 17
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 239000003822 epoxy resin Substances 0.000 claims abstract description 16
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 16
- 238000007650 screen-printing Methods 0.000 claims abstract description 12
- 229920000768 polyamine Polymers 0.000 claims abstract description 11
- 229910004613 CdTe Inorganic materials 0.000 claims abstract description 8
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 8
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 4
- 125000002723 alicyclic group Chemical group 0.000 claims abstract description 4
- 125000003118 aryl group Chemical group 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 1
- 239000004065 semiconductor Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 7
- 229910052799 carbon Inorganic materials 0.000 abstract description 7
- 230000001070 adhesive effect Effects 0.000 abstract description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 6
- 125000001931 aliphatic group Chemical group 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 2
- YKYOUMDCQGMQQO-UHFFFAOYSA-L cadmium dichloride Chemical compound Cl[Cd]Cl YKYOUMDCQGMQQO-UHFFFAOYSA-L 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 239000005388 borosilicate glass Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
- Y02E10/543—Solar cells from Group II-VI materials
Landscapes
- Photovoltaic Devices (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、電源用もしくは民生用の太陽電池などに使用
可能な樹脂コート型の光起電力素子、とぐにＣｃｌＳ／
ＣｄＴｅ系光起電力素子の製造方法に関するものである
。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a resin-coated photovoltaic element, Toguni CclS/
The present invention relates to a method for manufacturing a CdTe-based photovoltaic device.
従来の技術
セラミック基板またはガラス基板上に順次スクリーン印
刷し焼結したＣｄＳ、 ＣｃｌＴｅ 、カーボン。Prior Art CdS, CclTe, carbon sequentially screen printed and sintered onto a ceramic or glass substrate.
ＡｇＩｎ０層からなるＣｄＳ／ＣｄＴｅ 系太陽電池で
は、その信頼性向上ならびにＣｄ、Ｔｏの危険物流出防
止の為樹脂コートを行なっていた（特開昭５５−４６５
１０号公報）。CdS/CdTe solar cells consisting of an AgIn0 layer were coated with a resin to improve their reliability and prevent the leakage of dangerous substances such as Cd and To (Japanese Patent Laid-Open No. 55-465).
Publication No. 10).
発明が解決しようとする問題点
しかし従来のスクリーン印刷可能なエポキシ樹脂は、耐
水性が完壁でなく、接着性も不完全であり、ＣｄＳ／Ｃ
ｄＴｅ系太陽電池に従来のスクリーン印刷工ポキン樹脂
を使用すると、高温高湿光照射試験（６０℃、９５％
２ｏｏ（ｌｘ白熱電球）１０００時間において、水分が
浸入して、光があたることにより ＣｄＳとＣｄＴｅ
の電気化学的な反応が起こり、最大出力Ｐｍａｘの劣化
が１６〜２０％あった。このためその対応策として、ス
クリーン印刷を最初にスクリーン印刷した樹脂の乾燥後
２回、３回、４回と繰り返すことにより樹脂膜厚を増加
させ、耐水性の向上ならびに信頼性を高める方法がなさ
れてきた。これは従来一般に使用されているスクリーン
印刷用エポキシ樹脂の硬化剤は、芳香族ポリアミン（耐
水性強化）脂肪族ポリアミン（接着性強化）であり、こ
の脂肪族ポリアミンは耐水性が悪かったからである。し
かしこの樹脂のスクリーン印刷を４回も繰り返すと、印
刷工程が４倍となり作業性が非常に悪く、又太陽電池の
総厚みも厚くなりすぎるという傾向があった。Problems to be Solved by the Invention However, conventional screen-printable epoxy resins do not have perfect water resistance or adhesive properties, and CdS/C
When conventional screen printing resin is used for dTe solar cells, high temperature and high humidity light irradiation test (60℃, 95%
After 1000 hours of 2oo (lx incandescent light bulb), moisture enters and light hits, causing CdS and CdTe to
An electrochemical reaction occurred, and the maximum output Pmax deteriorated by 16 to 20%. Therefore, as a countermeasure, a method has been developed to increase the resin film thickness by repeating screen printing two, three, and four times after the first screen-printed resin dries, thereby improving water resistance and reliability. It's here. This is because the curing agents for screen printing epoxy resins commonly used in the past are aromatic polyamines (enhancing water resistance) and aliphatic polyamines (enhancing adhesion), and aliphatic polyamines have poor water resistance. However, when screen printing of this resin is repeated four times, the printing process is quadrupled, resulting in very poor workability, and the total thickness of the solar cell tends to become too thick.
本発明はかかる点に鑑みなされたもので、スクリーン印
刷するエポキシ樹脂の硬化剤を耐水性。The present invention was developed in view of this problem, and has been developed to provide a water-resistant curing agent for epoxy resin used in screen printing.
接着性のあるものにして上記問題点ヲ輔決したものであ
る。The above problem was solved by making it adhesive.
問題点を解決するだめの手段
本発明は上記問題点全解決するため、脂肪族ポリアミン
にかえて耐水性の良い脂環式ポリアミン全使用したもの
である。また接着性を増すために添加剤としてシランカ
ップリング剤ヲ混入させたスクリーン印刷エポキシ樹脂
を使用するものである。Means for Solving the Problems In order to solve all of the above problems, the present invention uses alicyclic polyamines, which have good water resistance, in place of aliphatic polyamines. In addition, a screen-printed epoxy resin mixed with a silane coupling agent as an additive is used to increase adhesion.
作 用
本発明による樹脂コート型光起電力素子の製造方法によ
れば、耐水性向上、信頼性向上、Ｃｄ、Ｔｅの流出を完
全防止し、特性の安定がはかれる。Function: According to the method of manufacturing a resin-coated photovoltaic device according to the present invention, water resistance is improved, reliability is improved, leakage of Cd and Te is completely prevented, and characteristics are stabilized.
実施例
以下本発明の実施例について図面をもとに説明する。Ｃ
ｄＳ粉末に融剤としてＣｄＣｅ２２ｏ重量係加え、それ
に粘結剤としてプロピレングリコールを加えて泥状にし
たものを第１図に示す様にバリウム硼珪酸ガラス基板上
１にスクリーン印刷した後乾燥し、丈うミック製の有孔
蓋付き容器に入れて、ベルト式焼結炉で焼結を行なう。EXAMPLES Hereinafter, examples of the present invention will be described with reference to the drawings. C
A slurry made by adding CdCe22O as a flux to dS powder and propylene glycol as a binder was screen printed on a barium borosilicate glass substrate 1 as shown in Figure 1, and then dried. The material is placed in a Umic container with a perforated lid and sintered in a belt-type sintering furnace.
この様に焼結されたｎ形ＣｄＳ焼結膜２上に、Ｃｄ粉末
とＴｅ粉末’ｉ１．０５対１．ｏＯのモル比で配合し、
それに融剤としてＣｄＣｌ２’ｉＣｄとＴｅの総重量に
対して０．６重量％、粘結剤としてプロピレングリコー
ルを通電を加えて混合し、泥状にしたものをスクリーン
印刷し、αＢと同様乾燥焼成を行なう。この様にしてＣ
ｄＴｅ焼結膜３を形成した。次にＣｄＴｅ焼結膜上に適
量のアクセプター不純物全添加した泥状カーボンをスク
リーン印刷して乾燥、焼結を行ないカーボン膜４を形成
する。次にＣｃｌＳ焼結膜２上およびカーボン膜４上に
それぞれオーミック電極であるＡｇＩｎ５．６をスクリ
ーン印刷、乾燥。On the n-type CdS sintered film 2 sintered in this way, Cd powder and Te powder 'i1.05:1. Blended at a molar ratio of oO,
0.6% by weight based on the total weight of CdCl2'iCd and Te as a flux and propylene glycol as a binder were mixed by applying electricity, and the resulting slurry was screen printed and dried and fired in the same way as αB. Do the following. In this way C
A dTe sintered film 3 was formed. Next, muddy carbon to which an appropriate amount of acceptor impurities has been added is screen printed on the CdTe sintered film, dried and sintered to form the carbon film 4. Next, AgIn5.6, which is an ohmic electrode, was screen printed on the CclS sintered film 2 and the carbon film 4, respectively, and dried.
焼結して形成した。この様にして得られた素子の信頼性
、耐水性を高め、かつ危険物である（ト）、Ｔ。Formed by sintering. The reliability and water resistance of the device obtained in this way are improved, and it is also dangerous (g).T.
の流出を防ぐために本発明の硬化剤として芳香族ポリア
ミンと脂環式ポリアミンを用い、さらにシランカップリ
ング剤を接着性強化のために加えたエポキシ樹脂７をス
クリーン印刷し、温度１２０℃で所定時間２例えば２時
間乾燥熱処理を行なった。この様にして得られた素子全
高温高湿光照、射試験（６０℃、９５％白熱電球２ｏｏ
１ｘ）１００ｏＯ時間行ったところ、従来の樹脂と比較
して白色螢光灯２ｏｏ１ｘ下での最大出力（Ｐｍａｘ）
はまったく劣化していなかった。An aromatic polyamine and an alicyclic polyamine are used as the curing agent of the present invention in order to prevent the leakage of the epoxy resin 7, and a silane coupling agent is added to strengthen the adhesiveness. Epoxy resin 7 is screen printed, and the epoxy resin 7 is heated at a temperature of 120° C. for a predetermined period of time. 2. For example, dry heat treatment was performed for 2 hours. The device obtained in this way was subjected to a total high temperature, high humidity light irradiation test (60°C, 95% incandescent lamp 2oo
1x) After 100oO hours, the maximum output (Pmax) under white fluorescent light 2oo1x compared to conventional resin
had not deteriorated at all.
第２図に従来のスクリーン印刷エポキシ樹脂の高温高湿
光照射試験（６０℃、９５％、白熱電球２ｏｏＪｘ）１
０００時間後の最大出力（Ｐｍａｄ）の劣化を示す。又
同様に本発明のスクリーン印刷エポキシ樹脂の１０００
０時間後の変化を示す。この図より本発明の硬化剤を改
良した本発明のスクリーン印刷用エポキシ樹脂を用いる
と、１回の印刷で全く信頼性に問題がないことがわかる
。Figure 2 shows a conventional screen printing epoxy resin high temperature, high humidity light irradiation test (60°C, 95%, incandescent bulb 2ooJx) 1
2 shows the deterioration of the maximum output (Pmad) after 000 hours. Similarly, 1000% of the screen printing epoxy resin of the present invention
Changes after 0 hours are shown. From this figure, it can be seen that when the epoxy resin for screen printing of the present invention in which the curing agent of the present invention has been improved is used, there is no problem in reliability after one printing.
発明の効果
このように本発明は、ＣｄＳ／ＣｄＴｅ太陽電池のコー
テイング材として使用するエポキシ樹脂の硬化剤を耐水
性、接着性向上に優れたものに代えることにより、高信
頼性で特性劣化のないものにすることができる効果が得
られた。また樹脂スクリーン印刷が１回印刷で良いこと
がわかり、作業性も向上する。Effects of the Invention As described above, the present invention replaces the curing agent of the epoxy resin used as a coating material for CdS/CdTe solar cells with one that has excellent water resistance and improved adhesion, thereby achieving high reliability and no deterioration of characteristics. We obtained an effect that can be realized. In addition, it was found that resin screen printing only needs to be done once, which improves work efficiency.
第１図は本発明の樹脂スクリーン印刷コート型ＣｄＳ／
ＣｄＴｅ光起電力素子の断面図、第２図は従来の樹脂と
本発明の樹脂による素子の高温高湿光照射試験１０００
時間後及び１００００時間後の最大出力の初期からの変
化率を表わした図である。
１・・・・・・ガラス基板、２・・・・・・ＣｄＳ膜、
３・・・・・・ＣｄＴ ｅ膜、４・・・・・・カーボン
膜、５，６・・・・・・オーミック電極のためのＡｇＩ
ｎ膜、７・・・・・・エポキシ樹脂膜。
代理人の氏名 弁理士 中 尾 敏 男 ほか１名イー
刀°ラス基］及
第２図Figure 1 shows the resin screen printing coated CdS/
A cross-sectional view of a CdTe photovoltaic element, Figure 2 shows a 1000-degree high-temperature, high-humidity light irradiation test of elements made of conventional resin and the resin of the present invention.
FIG. 3 is a diagram showing the rate of change in maximum output from the initial stage after hours and after 10,000 hours. 1...Glass substrate, 2...CdS film,
3...CdT e film, 4...Carbon film, 5,6...AgI for ohmic electrode
n film, 7...Epoxy resin film. Name of agent: Patent attorney Toshio Nakao and one other person
Claims (4)
刷し、１２０℃の温度で所定時間熱処理してコーティン
グすることを特徴とする樹脂コート型光起電力素子の製
造方法。(1) A method for producing a resin-coated photovoltaic element, which comprises screen printing an epoxy resin on a bare photovoltaic element, and coating the element by heat-treating it at a temperature of 120° C. for a predetermined period of time.
れている特許請求の範囲第１項に記載の樹脂コート型光
起電力素子の製造方法。(2) The method for manufacturing a resin-coated photovoltaic device according to claim 1, wherein the photovoltaic device is composed of a II-VI group compound semiconductor.
ある特許請求の範囲第１項に記載の樹脂コート型光起電
力素子の製造方法。(3) The method for manufacturing a resin-coated photovoltaic device according to claim 1, wherein the photovoltaic device is a CdS/CdTe photovoltaic device.
と脂環式ポリアミンとを使用し、かつシランカップリン
グ剤を添加した特許請求の範囲第１項に記載の樹脂コー
ト型光起電力素子の製造方法。(4) Production of a resin-coated photovoltaic device according to claim 1, in which an aromatic polyamine and an alicyclic polyamine are used as a curing agent for the epoxy resin, and a silane coupling agent is added. Method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61239502A JPS6393165A (en) | 1986-10-08 | 1986-10-08 | Manufacture of resin-coated photovoltaic element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61239502A JPS6393165A (en) | 1986-10-08 | 1986-10-08 | Manufacture of resin-coated photovoltaic element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6393165A true JPS6393165A (en) | 1988-04-23 |
Family
ID=17045739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61239502A Pending JPS6393165A (en) | 1986-10-08 | 1986-10-08 | Manufacture of resin-coated photovoltaic element |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6393165A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5546510A (en) * | 1978-09-28 | 1980-04-01 | Agency Of Ind Science & Technol | Method of manufacturing solar battery embedded in resin |
-
1986
- 1986-10-08 JP JP61239502A patent/JPS6393165A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5546510A (en) * | 1978-09-28 | 1980-04-01 | Agency Of Ind Science & Technol | Method of manufacturing solar battery embedded in resin |
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