JP2021016002A5 - - Google Patents
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- JP2021016002A5 JP2021016002A5 JP2020188979A JP2020188979A JP2021016002A5 JP 2021016002 A5 JP2021016002 A5 JP 2021016002A5 JP 2020188979 A JP2020188979 A JP 2020188979A JP 2020188979 A JP2020188979 A JP 2020188979A JP 2021016002 A5 JP2021016002 A5 JP 2021016002A5
- Authority
- JP
- Japan
- Prior art keywords
- melting point
- sealing material
- material sheet
- resin
- less
- 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.)
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- 229920005989 resin Polymers 0.000 claims 16
- 239000011347 resin Substances 0.000 claims 16
- 238000002844 melting Methods 0.000 claims 14
- 239000003566 sealing material Substances 0.000 claims 13
- 239000008393 encapsulating agent Substances 0.000 claims 5
- 210000003491 Skin Anatomy 0.000 claims 4
- -1 polyethylene Polymers 0.000 claims 4
- 239000004698 Polyethylene (PE) Substances 0.000 claims 3
- 229920000573 polyethylene Polymers 0.000 claims 3
- 229920005678 polyethylene based resin Polymers 0.000 claims 3
- 238000002788 crimping Methods 0.000 claims 2
- 239000000758 substrate Substances 0.000 claims 2
- 239000000470 constituent Substances 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000010030 laminating Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
Claims (5)
ポリエチレン系樹脂を含有するコア層と、
前記封止材シートの最表面に形成され、ポリエチレン系樹脂とシラン変性ポリエチレン系樹脂を含有するスキン層と、を有し、
前記コア層の密度が、前記スキン層の密度より大きく、
前記封止材シートは、ＪＩＳ Ｋ７１９７に準拠して測定した線膨張係数を、樹脂温度の関数として表した場合に、第１の変曲点温度と第２の変曲点温度とを有し、
前記第１の変曲点温度は、５５℃以上７０℃以下の範囲内にあり、前記第１の変曲点温度の前後で前記封止材シートの線膨張係数の変化率が増大しており、
前記第２の変曲点温度は、８０℃以上９５℃以下の範囲内にあり、前記第２の変曲点温度の前後で前記封止材シートの線膨張係数の変化率が増大している、
封止材シート。 A sealing material sheet for solar cell modules
A core layer containing a polyethylene resin and
Wherein formed on the sealing member outermost surface of the sheet, possess a skin layer containing a polyethylene-based resin and a silane-modified polyethylene resin, a
The density of the core layer is higher than the density of the skin layer,
The encapsulant sheet has a first inflection point temperature and a second inflection point temperature when the coefficient of linear expansion measured in accordance with JIS K7197 is expressed as a function of the resin temperature.
The first inflection point temperature is in the range of temperatures above 55 ℃ 70 ° C. or less, the rate of change of the linear expansion coefficient of the sealing material sheet before and after the first inflection point temperature is increasing ,
The second inflection point temperature is in the range of 80 ° C. or higher 95 ° C. or less, the rate of change of the linear expansion coefficient of the sealing material sheet before and after the second inflection point temperature is increasing ,
Encapsulant sheet.
ポリエチレン系樹脂を含有するコア層と、A core layer containing a polyethylene resin and
ポリエチレン系樹脂と、シラン変性ポリエチレン系樹脂を含有するスキン層と、を有し、It has a polyethylene-based resin and a skin layer containing a silane-modified polyethylene-based resin.
前記封止材シートは、融点が６０℃以上７０℃未満の低融点樹脂成分と、融点が９５℃以上１１０℃以下の高融点樹脂成分と、前記低融点樹脂成分の融点よりも２０℃以上高く、前記高融点樹脂成分の融点よりも１０℃以上低い融点を有する中間融点樹脂成分とを含有し、The sealing material sheet contains a low melting point resin component having a melting point of 60 ° C. or higher and lower than 70 ° C., a high melting point resin component having a melting point of 95 ° C. or higher and 110 ° C. or lower, and a melting point higher than the melting point of the low melting point resin component by 20 ° C. or higher. , Contains an intermediate melting point resin component having a melting point lower than the melting point of the high melting point resin component by 10 ° C. or more.
前記封止材シートの全樹脂成分中における前記低融点樹脂成分の含有量は、２５質量％以上７０質量％以下であり、The content of the low melting point resin component in the total resin components of the sealing material sheet is 25% by mass or more and 70% by mass or less.
前記封止材シートの全樹脂成分中における前記高融点樹脂成分の含有量は、２５質量％以上７０質量％以下であり、The content of the melting point resin component in the total resin components of the sealing material sheet is 25% by mass or more and 70% by mass or less.
前記封止材シートの全樹脂成分中における前記中間融点樹脂成分の含有量は、５質量％以上１５質量％以下である、The content of the intermediate melting point resin component in the total resin components of the sealing material sheet is 5% by mass or more and 15% by mass or less.
封止材シート。Encapsulant sheet.
前記スキン層の厚さが、３０μｍ以上１００μｍ以下である、請求項１又は２に記載の封止材シート。The encapsulant sheet according to claim 1 or 2, wherein the thickness of the skin layer is 30 μm or more and 100 μm or less.
透明前面基板、太陽電池素子、封止材シート、裏面保護基板がこの順で積層されており、The transparent front substrate, solar cell element, encapsulant sheet, and back protection substrate are laminated in this order.
前記太陽電池素子と前記封止材シートとの間にリード線が配置されており、A lead wire is arranged between the solar cell element and the sealing material sheet, and the lead wire is arranged.
前記封止材シートに対する厚さに対する前記リード線の厚さが９０％以下である、The thickness of the lead wire with respect to the thickness of the sealing material sheet is 90% or less.
太陽電池モジュール。Solar cell module.
前記真空吸引後、加熱圧着を開始する時の前記封止材シートの樹脂温度が、前記第１の変曲点温度以上であり、前記加熱圧着を前記第２の変曲点温度以上で行う、The resin temperature of the sealing material sheet at the time of starting the heat crimping after the vacuum suction is equal to or higher than the first inflection point temperature, and the heat crimping is performed at the second inflection point temperature or higher.
太陽電池モジュールの製造方法。How to manufacture a solar cell module.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020188979A JP7028302B2 (en) | 2020-11-12 | 2020-11-12 | Encapsulant sheet for solar cell module, solar cell module using it, and manufacturing method of solar cell module |
| JP2022022794A JP7315047B2 (en) | 2020-11-12 | 2022-02-17 | Encapsulant sheet for solar cell module, solar cell module using same, and method for manufacturing solar cell module |
| JP2023013239A JP7435849B2 (en) | 2020-11-12 | 2023-01-31 | Encapsulant sheet for solar cell module, solar cell module using the same, and method for manufacturing solar cell module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020188979A JP7028302B2 (en) | 2020-11-12 | 2020-11-12 | Encapsulant sheet for solar cell module, solar cell module using it, and manufacturing method of solar cell module |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016195256A Division JP6794750B2 (en) | 2016-09-30 | 2016-09-30 | Encapsulant sheet for solar cell module, solar cell module using it, and manufacturing method of solar cell module |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022022794A Division JP7315047B2 (en) | 2020-11-12 | 2022-02-17 | Encapsulant sheet for solar cell module, solar cell module using same, and method for manufacturing solar cell module |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2021016002A JP2021016002A (en) | 2021-02-12 |
| JP2021016002A5 true JP2021016002A5 (en) | 2021-03-25 |
| JP7028302B2 JP7028302B2 (en) | 2022-03-02 |
Family
ID=74532080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020188979A Active JP7028302B2 (en) | 2020-11-12 | 2020-11-12 | Encapsulant sheet for solar cell module, solar cell module using it, and manufacturing method of solar cell module |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP7028302B2 (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5020948B2 (en) | 2006-05-30 | 2012-09-05 | 新日本製鐵株式会社 | Inner surface polyolefin coated steel pipe excellent in durability and method for producing the same |
| WO2012174179A1 (en) | 2011-06-15 | 2012-12-20 | Dow Global Technologies Llc | Flexible photovoltaic articles |
| CN103764750B (en) | 2011-08-24 | 2016-08-17 | 旭化成株式会社 | Sealing resin sheet and solar module |
| JP2014095049A (en) | 2012-11-12 | 2014-05-22 | Polymer Associates Kk | Cellulose fiber reinforced thermoplastic resin composite molded article |
| JP2014204091A (en) | 2013-04-09 | 2014-10-27 | 三菱樹脂株式会社 | Sealing material for solar cell and solar cell module manufactured using the same |
| JP6191252B2 (en) | 2013-06-07 | 2017-09-06 | 大日本印刷株式会社 | Encapsulant composition and encapsulant for solar cell module |
| KR101556445B1 (en) * | 2013-10-31 | 2015-10-02 | 도레이첨단소재 주식회사 | Encapsulation sheet for a solarcell using a barrier layer and preparing process thereof |
| JP6476967B2 (en) | 2015-02-16 | 2019-03-06 | 大日本印刷株式会社 | Sealant sheet for solar cell module |
-
2020
- 2020-11-12 JP JP2020188979A patent/JP7028302B2/en active Active
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