JP7447007B2 - 電圧誘起出力低下耐性が改善された太陽光発電モジュールおよび封止材組成物 - Google Patents
電圧誘起出力低下耐性が改善された太陽光発電モジュールおよび封止材組成物 Download PDFInfo
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- JP7447007B2 JP7447007B2 JP2020544020A JP2020544020A JP7447007B2 JP 7447007 B2 JP7447007 B2 JP 7447007B2 JP 2020544020 A JP2020544020 A JP 2020544020A JP 2020544020 A JP2020544020 A JP 2020544020A JP 7447007 B2 JP7447007 B2 JP 7447007B2
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Classifications
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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
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- H01L31/048—Encapsulation of modules
- H01L31/0481—Encapsulation of modules characterised by the composition of the encapsulation material
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- H—ELECTRICITY
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- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
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- C08L2203/206—Applications use in electrical or conductive gadgets use in coating or encapsulating of electronic parts
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Description
次の材料は、特に指定されない限り、表1、2、および3に列挙されている実施例全体を通じて使用した。
・アニールフロートガラス-AGC Solite145×155×3.2mm(AGC Flat Glass North America(Alpharetta,GA))
・バックシート-Dun-Solar 1200TPT(Dunmore Corp.(Bristol,PA))
・太陽電池-Motech単結晶XS125-165R(Motech Industries(Tainan City,Taiwan))
・ワイヤー、タブリボン、バスバー-Wuxi Sveck Technology(Wuxi,China)
○組成-スズ62%、鉛36%、銀2%
○タブリボン-0.16×2mm
○バスバー-0.2×5mm
・ジャンクションボックス-Renhe Solar、モデル番号PV-RH06-60(Renhe Solar(Zhejiang,China)
・封止材(表1、表2に示されるとおりに使用)
○STR15420P、STR Holdings(Enfield,CT)から市販のEVA封止材
○HZ406P、Hangzhou First Applied Materials(Hangzhou,China)から市販のEVA封止材
○EVAおよびE/MAMEを含有するEN1~EN4は次のとおりである:
EVA-コポリマーの総重量に基づいて、酢酸ビニルの共重合単位を28重量%含み、ASTM D1238に従って190℃および2.16kgで決定して3.0g/10分のメルトフローレートを有する、エチレン/酢酸ビニルコポリマー、
E/MAME-コポリマーの総重量に基づいて、無水マレイン酸のモノエチルエステルの共重合単位を15重量%含み、ASTM D1238に従って190℃および2.16kgで決定して400g/10分のメルトフローレートを有する、エチレン/マレイン酸モノエチルコポリマー。
本願は以下の態様にも関する。
(1)
封止材層と、太陽電池アセンブリと、を備える太陽光発電モジュールであって、前記封止材層が、エチレンと酢酸ビニルとのコポリマー(EVA)、および抗電圧誘起出力低下(PID)強化コポリマーAのブレンドを含む、封止材組成物を含み、前記封止材組成物が、高温多湿(85℃/85%RH)および最大96時間1500Vの電位に曝露後、初期出力の>90%超の出力安定性を提供する、太陽光発電モジュール。
(2)
コポリマーAが、EVAとコポリマーAとの総重量の1~30重量%の範囲、好ましくは2~20重量%の範囲、最も好ましくは4~15重量%の範囲である、上記(1)に記載の太陽光発電モジュール。
(3)
太陽光発電モジュールの電圧誘起出力低下(PID)を低減する方法であって、前記方法が、太陽電池アセンブリ、ガラス層、および上記(1)に記載の封止材組成物を含む封止材層を提供するステップと、ガラス層/封止材層/太陽電池アセンブリ、の構造を備える太陽光発電モジュールを作製するステップと、前記太陽光発電モジュールを動作させるステップと、時間と相関して、前記太陽光発電モジュールによって生成される電流を観察するステップと、を含む、方法。
(4)
前記封止材組成物が、IEC TS62804-1技術仕様に準拠するそのような条件で、1000電位を通す、上記(1)に記載の太陽光発電モジュール。
(5)
前記封止材組成物が、IEC TS62804-1技術仕様に準拠するそのような条件で、1500電位を通す、上記(1)に記載の太陽光発電モジュール。
(6)
前記封止材組成物の前記コポリマーが、共重合されたエチレンと酢酸ビニルとであり、酢酸ビニルが、前記ポリマー重量の15重量%~約35重量%、最も好ましくは25~32重量%の範囲である、上記(1)に記載の太陽光発電モジュール。
(7)
前記コポリマーAが、Xが無水マレイン酸のハーフエステルである、E/Xコポリマーである、上記(6)に記載の太陽光発電モジュール。
(8)
前記コポリマーAが、E/Xコポリマーであり、Xが、前記ポリマー重量の12~25重量%、最も好ましくは15~20重量%の範囲の、無水マレイン酸モノ-メチルエステル、無水マレイン酸モノ-エチルエステル(MAME)、無水マレイン酸モノ-プロピルエステル、無水マレイン酸モノ-ブチルエステル、またはそれらの組み合わせからなる群から選択される、上記(7)に記載の太陽光発電モジュール。
(9)
コポリマーAが、E/X/Yコポリマーであり、Xが無水マレイン酸のハーフエステルであり、Yがアルキルアクリレートである、上記(6)に記載の太陽光発電モジュール。
(10)
Xが、前記ポリマー重量の6~20重量%、最も好ましくは8~15重量%の範囲の無水マレイン酸モノ-メチルエステル、無水マレイン酸モノ-エチルエステル(MAME)、無水マレイン酸モノ-プロピルエステルプロピル、無水マレイン酸モノ-ブチルエステル、またはそれらの組み合わせからなる群から選択され、Yが、前記ポリマー重量の1~30重量%、最も好ましくは5~15重量%の範囲のメチルアクリレート、エチルアクリレート、n-ブチルアクリレート、またはイソ-ブチルアクリレート、またはそれらの混合物である、上記(9)に記載の太陽光発電モジュール。
(11)
前記封止材組成物が、1つ以上の他のポリマー、およびまたは他の添加剤を含むが、ただし、それらが前記太陽光発電モジュールの性能に悪影響を及ぼさないことを条件とする、上記(1)に記載の太陽光発電モジュール。
(12)
1つ以上のガラス層、1つ以上の可撓性バックシート層、または前記封止材層と同じであっても異なっていてもよい第2の封止材層をさらに備える、上記(1)に記載の太陽光発電モジュール。
(13)
ガラス/封止材/太陽電池アセンブリ/封止材層/ガラス、ガラス/封止材/太陽電池アセンブリ/封止材/可撓性バックシート、ガラス/封止材/太陽電池アセンブリ/ガラス、およびガラス/封止材/太陽電池アセンブリ/可撓性バックシートの群から選択される構造からなる、上記(1)に記載の太陽光発電モジュール。
(14)
前記太陽電池アセンブリが、薄膜太陽電池を含む、上記(1)に記載の太陽光発電モジュール。
(15)
前記封止材層が、多層形態である、上記(1)に記載の太陽光発電モジュール。
Claims (15)
- 封止材層と、太陽電池アセンブリと、を備える太陽光発電モジュールであって、
前記封止材層が、エチレンと酢酸ビニルとのコポリマー(EVA)、および抗電圧誘起出力低下(PID)強化コポリマーAのブレンドを含む、封止材組成物を含み、
前記封止材組成物が、高温多湿(85℃/85%RH)および最大96時間1500Vの電位に曝露後、初期出力の>90%超の出力安定性を提供し、
(i)前記コポリマーAが、E/Xコポリマーであり、Eはエチレンであり、Xが無水マレイン酸のハーフエステルであり、前記E/Xコポリマーが、前記ポリマー重量の12~25重量%の範囲の、無水マレイン酸モノ-メチルエステル、無水マレイン酸モノ-エチルエステル(MAME)、無水マレイン酸モノ-プロピルエステル、無水マレイン酸モノ-ブチルエステル、またはそれらの組み合わせを含む、または、
(ii)前記コポリマーAが、E/X/Yコポリマーであり、Eはエチレンであり、Xが無水マレイン酸のハーフエステルであり、Xが、前記ポリマー重量の6~20重量%の範囲の、無水マレイン酸モノ-メチルエステル、無水マレイン酸モノ-エチルエステル(MAME)、無水マレイン酸モノ-プロピルエステル、無水マレイン酸モノ-ブチルエステル、またはそれらの組み合わせを含み、Yが、前記ポリマー重量の1~30重量%の範囲の、メチルアクリレート、エチルアクリレート、n-ブチルアクリレート、またはイソ-ブチルアクリレート、またはそれらの混合物である、
太陽光発電モジュール。 - コポリマーAが、EVAとコポリマーAとの総重量の1~30重量%の範囲である、請求項1に記載の太陽光発電モジュール。
- 太陽光発電モジュールの電圧誘起出力低下(PID)を低減する方法であって、前記方法が、太陽電池アセンブリ、ガラス層、および請求項1に記載の封止材組成物を含む封止材層を提供するステップと、ガラス層/封止材層/太陽電池アセンブリ、の構造を備える太陽光発電モジュールを作製するステップと、前記太陽光発電モジュールを動作させるステップと、時間と相関して、前記太陽光発電モジュールによって生成される電流を観察するステップと、を含む、方法。
- 前記封止材組成物が、IEC TS62804-1技術仕様に準拠するそのような条件で、1000Vの電位が印加される、請求項1に記載の太陽光発電モジュール。
- 前記封止材組成物が、IEC TS62804-1技術仕様に準拠するそのような条件で、1500Vの電位が印加される、請求項1に記載の太陽光発電モジュール。
- 前記封止材組成物の前記コポリマーが、共重合されたエチレンと酢酸ビニルとであり、酢酸ビニルが、前記ポリマー重量の15重量%~約35重量%の範囲である、請求項1に記載の太陽光発電モジュール。
- 前記コポリマーAが、E/Xコポリマーである、請求項1に記載の太陽光発電モジュール。
- 前記コポリマーAが、E/Xコポリマーであり、Xが、前記ポリマー重量の15~20重量%の範囲である、請求項1に記載の太陽光発電モジュール。
- コポリマーAが、E/X/Yコポリマーである、請求項1に記載の太陽光発電モジュール。
- コポリマーAが、E/X/Yコポリマーであり、Xが、前記ポリマー重量の8~15重量%の範囲であり、Yが、前記ポリマー重量の5~15重量%の範囲である、請求項1に記載の太陽光発電モジュール。
- 前記封止材組成物が、1つ以上の他のポリマー、およびまたは他の添加剤を含むが、ただし、それらが前記太陽光発電モジュールの性能に悪影響を及ぼさないことを条件とする、請求項1に記載の太陽光発電モジュール。
- 1つ以上のガラス層、1つ以上の可撓性バックシート層、または前記封止材層と同じであっても異なっていてもよい第2の封止材層をさらに備える、請求項1に記載の太陽光発電モジュール。
- ガラス/封止材/太陽電池アセンブリ/封止材層/ガラス、ガラス/封止材/太陽電池アセンブリ/封止材/可撓性バックシート、ガラス/封止材/太陽電池アセンブリ/ガラス、およびガラス/封止材/太陽電池アセンブリ/可撓性バックシートの群から選択される構造からなる、請求項1に記載の太陽光発電モジュール。
- 前記太陽電池アセンブリが、薄膜太陽電池を含む、請求項1に記載の太陽光発電モジュール。
- 前記封止材層が、多層形態である、請求項1に記載の太陽光発電モジュール。
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- 2019-03-05 US US16/970,569 patent/US20210115239A1/en not_active Abandoned
- 2019-03-05 CN CN201980013424.2A patent/CN112055894A/zh active Pending
- 2019-03-05 BR BR112020017145-0A patent/BR112020017145A2/pt active Search and Examination
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Patent Citations (3)
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US20150325729A1 (en) | 2014-05-09 | 2015-11-12 | E. I. Du Pont De Nemours And Company | Encapsulant composition comprising a copolymer of ethylene, vinyl acetate and a third comonomer |
CN105086097A (zh) | 2014-05-09 | 2015-11-25 | 杜邦公司 | 可交联的乙烯/乙酸乙烯酯共聚物的组合物及包含该组合物的太阳能电池封装材料 |
JP2017188577A (ja) | 2016-04-06 | 2017-10-12 | 株式会社 シリコンプラス | 太陽電池モジュール |
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EP3762973A1 (en) | 2021-01-13 |
US20210115239A1 (en) | 2021-04-22 |
ES2943469T3 (es) | 2023-06-13 |
KR102664108B1 (ko) | 2024-05-09 |
CN112055894A (zh) | 2020-12-08 |
JP2021515390A (ja) | 2021-06-17 |
WO2019173262A1 (en) | 2019-09-12 |
EP3762973B1 (en) | 2023-03-29 |
KR20200130321A (ko) | 2020-11-18 |
BR112020017145A2 (pt) | 2020-12-22 |
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