JP5920031B2 - 太陽電池モジュール及びその製造方法 - Google Patents
太陽電池モジュール及びその製造方法 Download PDFInfo
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- JP5920031B2 JP5920031B2 JP2012123925A JP2012123925A JP5920031B2 JP 5920031 B2 JP5920031 B2 JP 5920031B2 JP 2012123925 A JP2012123925 A JP 2012123925A JP 2012123925 A JP2012123925 A JP 2012123925A JP 5920031 B2 JP5920031 B2 JP 5920031B2
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- solar cell
- panel
- cell module
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- manufacturing
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Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—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
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—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
- 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
- H01L31/0481—Encapsulation of modules characterised by the composition of the encapsulation material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
- B32B17/10036—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
- B32B17/10082—Properties of the bulk of a glass sheet
- B32B17/10091—Properties of the bulk of a glass sheet thermally hardened
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10165—Functional features of the laminated safety glass or glazing
- B32B17/10293—Edge features, e.g. inserts or holes
- B32B17/10302—Edge sealing
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- B—PERFORMING OPERATIONS; TRANSPORTING
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Description
更に歩留まりについても、従来の方法では導出リード線をフィルムで被覆したり、被覆材を2種類以上の樹脂で一体積層フィルム状にしたり、コスト増加につながる可能性があり、また容易にリワークできない可能性があった。
[1]太陽光を入射させる透明部材のパネルと太陽光入射の反対側に配置された熱伝導性部材のパネルとの間の空隙に、シリコーンゴム組成物の硬化物からなる光透過性エラストマー部材と太陽電池素子とを、光透過性エラストマー部材を太陽光入射側に配置すると共に、この光透過性エラストマー部材によって太陽電池素子を上記熱伝導性部材のパネル側に押圧して圧着した状態で介装することを特徴とする太陽電池モジュールの製造方法。
[2]熱伝導性部材のパネルと太陽電池素子との間に更に熱伝導性エラストマー層を介装した[1]記載の太陽電池モジュールの製造方法。
[3]熱伝導性エラストマー層が熱伝導率0.2W/m・K以上5W/m・K以下の熱伝導性シリコーンゴムによって形成された[2]記載の太陽電池モジュールの製造方法。
[4]透明部材のパネルと熱伝導性部材のパネルとの間の空隙端部にスペーサー部材を配設した[1]〜[3]のいずれかに記載の太陽電池モジュールの製造方法。
[5]透明部材のパネルと熱伝導性部材のパネルとの外縁部間にフレーム部材を架け渡して両パネルを固定した[1]〜[4]のいずれかに記載の太陽電池モジュールの製造方法。
[6]熱伝導性部材のパネルが、硝子材、合成樹脂材、金属材又はそれらの複合材によって形成された[1]〜[5]のいずれかに記載の太陽電池モジュールの製造方法。
[7]太陽電池素子がシリコン材料によって形成された[1]〜[6]のいずれかに記載の太陽電池モジュールの製造方法。
[8]光透過性エラストマー部材が、集光型太陽電池の光学シートである[1]〜[7]のいずれかに記載の太陽電池モジュールの製造方法。
また、煩雑なラミネート工程による太陽電池素子の封止が不要となるため、歩留まりの向上が期待できる。太陽電池素子はエラストマーの押圧によってのみ圧着されているので容易にリワークできる。
図1は、光透過性エラストマー部材として板状シートを用いた太陽電池モジュールの一例を示し、図2は光透過性エラストマー部材として集光型太陽電池の光学シートを用いた太陽電池モジュールの他の例を示す。
この場合、図1,2の例では、太陽電池素子4と熱伝導性部材のパネル2との間に熱伝導性エラストマー層5が介在し、太陽電池素子4はこの熱伝導性エラストマー層5を介して熱伝導性部材のパネル2に圧着されている。
また、太陽電池素子4においては、単結晶シリコンもしくは多結晶シリコンのうちから選ばれる1種もしくは2種のシリコン材料を用いて太陽電池素子とするものである。なお、図2の、集光型太陽電池の光学シートを用いた太陽電池モジュールに用いる太陽電池素子は太陽光の集光により太陽電池素子の面積を、図1の太陽電池素子と比較して1/2から1/3に減らすことが可能である。
(A)成分として、下記平均組成式(I)
R1 aSiO(4-a)/2 (I)
(式中、R1は同一又は異種の非置換又は置換の一価炭化水素基を示し、aは1.95〜2.05の正数である。)
で表され、一分子中に少なくとも2個の脂肪族不飽和基を有する重合度が100以上のオルガノポリシロキサンを100質量部、
(B)比表面積が200m2/gを超える煙霧質シリカを70〜150質量部、
(C)一分子中に少なくとも2個のケイ素原子と結合した水素原子を含有するオルガノハイドロジェンポリシロキサンを0.1〜30質量部、及び
(D)ヒドロシリル化反応触媒を(A)成分に対し0.5〜1,000ppmを含んでなるシリコーンゴム組成物を硬化させて得られる。
特に、オルガノポリシロキサンは、一分子中に2個以上のアルケニル基、シクロアルケニル基等の脂肪族不飽和基を有するものが好ましく、特にビニル基であることが好ましい。この場合、全R1中0.01〜20モル%、特に0.02〜10モル%が脂肪族不飽和基であることが好ましい。なお、この脂肪族不飽和基は、分子鎖末端でケイ素原子に結合していても、分子鎖の途中のケイ素原子に結合していても、その両方であってもよいが、少なくとも分子鎖末端のケイ素原子に結合していることが好ましい。
また、aは1.95〜2.05、好ましくは1.98〜2.02、より好ましくは1.99〜2.01の正数である。
(A)成分のオルガノポリシロキサンは、分子鎖末端がトリメチルシロキシ基、ジメチルフェニルシロキシ基、ジメチルヒドロキシシロキシ基、ジメチルビニルシロキシ基、メチルジビニルシロキシ基、トリビニルシロキシ基等のトリオルガノシロキシ基で封鎖されたものを好ましく挙げることができる。
特に好ましいものとしては、メチルビニルポリシロキサン、メチルフェニルビニルポリシロキサン、メチルトリフルオロプロピルビニルポリシロキサン等を挙げることができる。
オルガノポリシロキサンの重合度は100以上、好ましくは100〜100,000、特に好ましくは3,000〜20,000である。なお、この重合度は、ゲルパーミエーションクロマトグラフィ(GPC)分析によるポリスチレン換算の重量平均重合度として測定することができる。
R2 bHcSiO(4-b-c)/2 (II)
(式中、R2は炭素数1〜6の置換又は非置換の一価炭化水素基であり、bは0.7〜2.1の数であり、cは0.18〜1.0の数であり、かつb+cは0.8〜3.0を満足する。)
で示される従来から公知のオルガノハイドロジェンポリシロキサンが適用可能である。
bとcに関して、好ましくは、bは0.8〜2.0、cは0.2〜1.0、かつb+cは1.0〜2.5を満足する。
また、(C)成分のオルガノハイドロジェンポリシロキサンは、(A)成分中のケイ素原子に結合したアルケニル基に対する(C)成分中のケイ素原子に結合した水素原子(即ち、SiH基)のモル比が、好ましくは0.5〜5モル/モル、より好ましくは0.8〜4モル/モル、更に好ましくは1〜3モル/モルとなる量で配合される。
(D)成分のヒドロシリル化反応触媒の配合量は触媒量とすることができ、通常、白金族金属として(A)成分に対し、0.5〜1,000ppm、好ましくは1〜200ppm程度である。
シリコーンゴム組成物は、上述した成分の所定量を2本ロール、ニーダー、バンバリーミキサー等で混練りすることによって得ることができる。
シリコーンゴム組成物を成形する場合、成形方法としては、特に限定されないが、プレス成形、押し出し成形、カレンダー成形等が可能である。
上記熱伝導性エラストマー組成物を硬化させることにより、熱伝導性エラストマー層を形成することが好ましい。
ジメチルシロキサン単位99.475モル%、メチルビニルシロキサン単位0.50モル%、ジメチルビニルシロキサン単位0.025モル%からなり、平均重合度が約6,000であるオルガノポリシロキサン100質量部、BET比表面積300m2/gのシリカ(商品名アエロジル300、日本アエロジル(株)製)70質量部、分散剤としてヘキサメチルジシラザン16質量部、水4質量部を添加し、ニーダーにて混練りし、170℃にて2時間加熱処理してコンパウンドを調製した。
上記コンパウンド100質量部に対し、付加架橋硬化剤としてC−25A(白金触媒)/C−25B(オルガノハイドロジェンポリシロキサン)(共に、信越化学工業(株)製)をそれぞれ0.5質量部/2.0質量部を2本ロールで混練後添加し、均一に混合した後、120℃、70kgf/cm2の条件で10分間プレスキュアーを行い、次いで200℃で4時間ポストキュアーを行い、厚さ2mmの試験用シートを成形した。
参考例1で成形した光透過性エラストマー部材を用いて太陽電池モジュールを作製した。即ち、光入射面側の厚さ3.2mmの白板強化ガラスの光入射面とは反対面の外周部の内側に額縁状にテープ状ブチルゴム製封止部材を配置した。次に、該額縁状に配置したブチルゴム製封止部材の内側に沿ってアルミニウム合金製のスペーサー部材を配置した。この場合、該スペーサー部材と上記光入射面側の白板強化ガラスとの間にシリコーンゴム製封止部材を配置した。次いで、上記スペーサー部材の内方に上記光透過性エラストマー部材及び太陽電池素子を上記白板強化ガラスと上記光透過性エラストマー部材とが接するように設置した。次いで、熱伝導性エラストマーとして信越化学工業(株)製放熱シリコーンシートTC−20A(厚さ0.2mm、熱伝導率1.1W/m・K)を上記太陽電池素子の光入射面の反対側に接するように配置した。次に、上記白板強化ガラスとは別の白板強化ガラスを上記熱伝導性エラストマーの光入射側と反対側に配置した。この場合、上記スペーサー部材とこの別の白板強化ガラスとの間にはシリコーンゴム製の封止部材を介在させ、該スペーサー部材及び上記ブチルゴム製封止部材を挟むようにして接合した。また接合の際には水分の混入を避けるために、かつブチルゴム製封止部材の封止性能を向上させるために110Paの真空下で約120℃に加熱しながら真空ラミネーター装置を用いて接合させた。更に、上記太陽電池素子に対し約0.5MPaの圧力がかかるように光入射面側及びその反対面側の白板強化ガラスをコの字形のアルミニウム合金製のフレームによって固定し、太陽電池モジュール(1)を作製した。なお、この場合は太陽光入射面及びその反対側の面の両面がガラスの構造となるので、通常両面ガラスの構造が用いられる両面受光型モジュールと同じように、両ガラスの間から電極を取り出し配線を行った。
熱伝導性エラストマーとして信越化学工業(株)製放熱シリコーンシートTC−45A(厚さ0.45mm、熱伝導率1.1W/m・K)を用いた他は、実施例1と同様にして太陽電池モジュール(2)を作製した。
熱伝導性エラストマーとして信越化学工業(株)製放熱シリコーンシートTC−45BG(厚さ0.45mm、熱伝導率5.0W/m・K)を用いた他は、実施例1と同様にして太陽電池モジュール(3)を作製した。
2 熱伝導性部材のパネル
3 光透過性エラストマー部材
3a 断面半球状頭部
3b 断面逆円錐台状柱部
4 太陽電池素子
5 熱伝導性エラストマー層
6 スペーサー部材
7 封止部材
8 封止部材
9 フレーム部材
Claims (8)
- 太陽光を入射させる透明部材のパネルと太陽光入射の反対側に配置された熱伝導性部材のパネルとの間の空隙に、シリコーンゴム組成物の硬化物からなる光透過性エラストマー部材と太陽電池素子とを、光透過性エラストマー部材を太陽光入射側に配置すると共に、この光透過性エラストマー部材によって太陽電池素子を上記熱伝導性部材のパネル側に押圧して圧着した状態で介装することを特徴とする太陽電池モジュールの製造方法。
- 熱伝導性部材のパネルと太陽電池素子との間に更に熱伝導性エラストマー層を介装した請求項1記載の太陽電池モジュールの製造方法。
- 熱伝導性エラストマー層が熱伝導率0.2W/m・K以上5W/m・K以下の熱伝導性シリコーンゴムによって形成された請求項2記載の太陽電池モジュールの製造方法。
- 透明部材のパネルと熱伝導性部材のパネルとの間の空隙端部にスペーサー部材を配設した請求項1乃至3のいずれか1項記載の太陽電池モジュールの製造方法。
- 透明部材のパネルと熱伝導性部材のパネルとの外縁部間にフレーム部材を架け渡して両パネルを固定した請求項1乃至4のいずれか1項記載の太陽電池モジュールの製造方法。
- 熱伝導性部材のパネルが、硝子材、合成樹脂材、金属材又はそれらの複合材によって形成された請求項1乃至5のいずれか1項記載の太陽電池モジュールの製造方法。
- 太陽電池素子がシリコン材料によって形成された請求項1乃至6のいずれか1項記載の太陽電池モジュールの製造方法。
- 光透過性エラストマー部材が、集光型太陽電池の光学シートである請求項1乃至7のいずれか1項記載の太陽電池モジュールの製造方法。
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JP2012123925A JP5920031B2 (ja) | 2011-06-06 | 2012-05-31 | 太陽電池モジュール及びその製造方法 |
TW101120131A TWI539612B (zh) | 2011-06-06 | 2012-06-05 | Solar cell module and its manufacturing method |
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US (1) | US20140014182A1 (ja) |
EP (1) | EP2720277A4 (ja) |
JP (1) | JP5920031B2 (ja) |
KR (1) | KR20140031259A (ja) |
CN (1) | CN103636005B (ja) |
TW (1) | TWI539612B (ja) |
WO (1) | WO2012169418A1 (ja) |
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JP2014072261A (ja) * | 2012-09-28 | 2014-04-21 | Kyocera Corp | 光電変換モジュール |
TW201519460A (zh) * | 2013-11-11 | 2015-05-16 | Taiflex Scient Co Ltd | 導熱密封複合層及包含其之太陽能模組 |
CN104659128B (zh) * | 2013-11-21 | 2017-09-29 | 台虹科技股份有限公司 | 包含导热密封复合层的太阳能模块 |
JP2015201521A (ja) * | 2014-04-07 | 2015-11-12 | 信越化学工業株式会社 | 太陽電池用シリコーン封止材料及び太陽電池モジュール |
CN107078687B (zh) * | 2014-09-11 | 2019-03-19 | 瑟拉尼研究与开发有限责任公司 | 可重构的太阳能电池阵列和使用其管理作物产量的方法 |
JP2016062931A (ja) * | 2014-09-15 | 2016-04-25 | 国立大学法人長岡技術科学大学 | 集光型太陽電池モジュール及び集光型太陽光発電システム |
TWI570449B (zh) * | 2016-05-19 | 2017-02-11 | Thin energy saving and translucent plate and its manufacturing method | |
KR102506999B1 (ko) * | 2017-08-16 | 2023-03-08 | 한국전자통신연구원 | 태양전지 패키지 |
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JP2770906B2 (ja) | 1995-09-08 | 1998-07-02 | 株式会社日立製作所 | 太陽電池モジュールおよびその製造方法 |
JPH09186353A (ja) | 1995-12-28 | 1997-07-15 | Fujikura Ltd | 太陽電池モジュール |
JP3747096B2 (ja) | 1996-06-03 | 2006-02-22 | 株式会社カネカ | 太陽電池モジュール及びその製造方法 |
JPH10299353A (ja) * | 1997-04-28 | 1998-11-10 | Showa Shell Sekiyu Kk | 複層ガラス一体型太陽電池パネル |
JPH11103086A (ja) * | 1997-07-29 | 1999-04-13 | Kanegafuchi Chem Ind Co Ltd | 太陽電池モジュール |
CZ20012282A3 (cs) * | 1999-02-01 | 2001-11-14 | Kurth Glas + Spiegel Ag | Solární modul |
JP2001244486A (ja) * | 2000-02-25 | 2001-09-07 | Sanyo Electric Co Ltd | 太陽電池モジュール |
JP4206265B2 (ja) | 2002-12-19 | 2009-01-07 | 京セラ株式会社 | 太陽電池モジュール |
JP2006156581A (ja) | 2004-11-26 | 2006-06-15 | Kyocera Corp | 光電変換モジュール |
JP4898145B2 (ja) | 2005-05-30 | 2012-03-14 | シャープ株式会社 | 集光型太陽電池モジュール |
JP2007165485A (ja) | 2005-12-12 | 2007-06-28 | Daido Steel Co Ltd | 太陽光発電モジュールの製造方法 |
WO2008136872A2 (en) * | 2006-12-22 | 2008-11-13 | Adriani Paul M | Structures for low cost, reliable solar modules |
US20090255571A1 (en) * | 2008-04-14 | 2009-10-15 | Bp Corporation North America Inc. | Thermal Conducting Materials for Solar Panel Components |
US20100043871A1 (en) * | 2008-04-14 | 2010-02-25 | Bp Corporation North America Inc. | Thermal Conducting Materials for Solar Panel Components |
DE102008049890A1 (de) * | 2008-10-02 | 2010-04-22 | Webasto Ag | Photovoltaische Anordnung und Verfahren zur Herstellung der photovoltaischen Anordnung |
US20100154867A1 (en) * | 2008-12-19 | 2010-06-24 | E. I. Du Pont De Nemours And Company | Mechanically reliable solar cell modules |
JP2011166020A (ja) * | 2010-02-12 | 2011-08-25 | Fujikura Rubber Ltd | 太陽電池用バックシート、及び、それを用いた太陽電池モジュール、ならびに、前記太陽電池用バックシートの製造方法、及び、前記太陽電池モジュールの製造方法 |
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TWI539612B (zh) | 2016-06-21 |
TW201314932A (zh) | 2013-04-01 |
CN103636005A (zh) | 2014-03-12 |
US20140014182A1 (en) | 2014-01-16 |
EP2720277A4 (en) | 2014-12-17 |
CN103636005B (zh) | 2016-08-17 |
WO2012169418A1 (ja) | 2012-12-13 |
JP2013016784A (ja) | 2013-01-24 |
EP2720277A1 (en) | 2014-04-16 |
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