JP2019536271A - 背面封止材に面しているポリオレフィンをベースとする機能層を含むバックシート - Google Patents
背面封止材に面しているポリオレフィンをベースとする機能層を含むバックシート Download PDFInfo
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- JP2019536271A JP2019536271A JP2019524219A JP2019524219A JP2019536271A JP 2019536271 A JP2019536271 A JP 2019536271A JP 2019524219 A JP2019524219 A JP 2019524219A JP 2019524219 A JP2019524219 A JP 2019524219A JP 2019536271 A JP2019536271 A JP 2019536271A
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- Prior art keywords
- solar cell
- copolymer
- functional layer
- polypropylene
- layer
- 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.)
- Granted
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- LRLYTJCVZKVBIH-UHFFFAOYSA-N 3,10-dioxatricyclo[10.2.2.25,8]octadeca-1(15),5,7,12(16),13,17-hexaene-2,11-dione Chemical compound C1OC(=O)C(C=C2)=CC=C2C(=O)OCC2=CC=C1C=C2 LRLYTJCVZKVBIH-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- H01L31/04—Semiconductor 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
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
- H01L31/049—Protective back sheets
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- B32B25/08—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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Abstract
Description
第1の方法は、下記のステップ:(1)全天候性層材料、接着剤層材料、構造補強層材料および機能層材料をそれぞれ押出機においてペレット化し、全天候性層プラスチック粒子、接着層プラスチック粒子、構造補強層プラスチック粒子および機能層プラスチック粒子を得るステップと、(2)ステップ(1)において調製した全天候性層プラスチック粒子、接着剤層プラスチック粒子、構造補強層プラスチック粒子および機能層プラスチック粒子を多層共押出成形フィルムへと融合および共押し出しするステップとを含む。
下方のソーラーバックプレート(lower solar backplate)を製造する方法は、下記のステップを含む:
耐風化性層、接着剤層、構造強化層および機能層の材料を、押出機によってそれぞれペレット化し、プラスチックペレットを得る。
機能層および構造強化層の間、ならびに機能層および封止材としてのEVAの間の剥離強度を測定する。
PVDFフッ素ポリマーを、耐風化性層として使用し、無水マレイン酸グラフトポリプロピレンおよびEMAエチレン・アクリル酸メチルのポリマーのブレンドを、フッ素ポリマーおよび無水マレイン酸グラフトポリプロピレンの両方を接着することができる接着剤層として使用する。半結晶性ポリマーは、機能層に加えない。
ナイロン12(PA12)ポリマーを、耐風化性層として使用し、無水マレイン酸グラフトポリプロピレンを、接着剤層として使用する。半結晶性ポリマーは、機能層に加えない。
半結晶性ポリマー、例えば、ポリプロピレンまたは無水マレイン酸グラフトポリプロピレンを、それぞれ、実施例1〜4における機能層に加える。
Claims (17)
- 背面封止材に面している機能層を含む太陽電池バックシートであって、前記機能層が、140℃超の融点を有するポリエチレンアロイおよび半結晶性ポリマーを含む、太陽電池バックシート。
- 前記機能層が、前記機能層中の前記ポリマーの全重量に対して少なくとも5重量%の半結晶性ポリマーを含む、請求項1に記載の太陽電池バックシート。
- 前記機能層が、前記機能層中の前記ポリマーの全重量に対して少なくとも10重量%の半結晶性ポリマーを含む、請求項1または2に記載の太陽電池バックシート。
- 前記半結晶性ポリマーが、ポリプロピレン、ポリアミド、またはポリエステルからなる群から選択される、請求項1〜3のいずれか一項に記載の太陽電池バックシート。
- 前記半結晶性ポリマーが、ポリプロピレンホモポリマーまたはコポリマーからなる群から選択される、請求項4に記載の太陽電池バックシート。
- ポリプロピレンの前記コポリマーが、ポリプロピレンランダム、ポリプロピレンブロックコポリマーまたは無水マレイン酸グラフトポリプロピレンから選択される、請求項5に記載の太陽電池バックシート。
- 前記ポリエチレンアロイが、エチレンセグメント(−CH2−CH2−)を含有するコポリマーを含む、請求項1に記載の太陽電池バックシート。
- 前記エチレンセグメント(−CH2−CH2−)を含有する前記コポリマーが、エチレンアクリレートコポリマー、エチレンメタクリレートコポリマー、エチレン−ヘキセンコポリマー、エチレン−オクテンコポリマーまたはエチレン−酢酸ビニルコポリマーの1つまたは複数から選択される、請求項7に記載の太陽電池バックシート。
- 前記コポリマーが、エチレンアクリレートコポリマーを含有する、請求項8に記載の太陽電池バックシート。
- 前記機能層が、無機充填剤をさらに含む、請求項1〜9のいずれか一項に記載の太陽電池バックシート。
- 前記無機充填剤が、炭酸カルシウム、二酸化チタン、硫酸バリウム、雲母、タルク、カオリン、ガラスマイクロビースおよびガラス繊維の1つから選択される、請求項10に記載の太陽電池バックシート。
- 構造的補強層および/または耐候性層および/または接着剤層をさらに含む、請求項1〜11のいずれか一項に記載の太陽電池バックシート。
- 前記耐候性層が、フッ素樹脂またはポリアミドを含む、請求項12に記載の太陽電池バックシート。
- 前記構造的補強層が、ポリプロピレン、改質ポリプロピレン、無水マレイン酸グラフトポリプロピレン、PET、PBT、または別のエンジニアリングプラスチックとのそのブレンドの群から選択される層を含む、請求項12に記載の太陽電池バックシート。
- 前記接着剤層が、無水マレイン酸グラフトポリオレフィンを含む、請求項12に記載の太陽電池バックシート。
- 前記構造的補強層および/または前記耐候性層および/または前記接着剤層が、無機充填剤をさらに含む、請求項12〜15のいずれか一項に記載の太陽電池バックシート。
- 請求項1〜16のいずれか一項に記載のバックシートを含む光起電力モジュール。
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JP2023052164A (ja) | 2023-04-11 |
WO2018087366A1 (en) | 2018-05-17 |
US20190296167A1 (en) | 2019-09-26 |
EP3539162A1 (en) | 2019-09-18 |
ES2892084T3 (es) | 2022-02-02 |
CN109964320A (zh) | 2019-07-02 |
CN109964320B (zh) | 2024-03-05 |
CA3043402A1 (en) | 2018-05-17 |
US11764321B2 (en) | 2023-09-19 |
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