JP5274033B2 - 色素増感型太陽電池スペーサー - Google Patents
色素増感型太陽電池スペーサー Download PDFInfo
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- JP5274033B2 JP5274033B2 JP2008017980A JP2008017980A JP5274033B2 JP 5274033 B2 JP5274033 B2 JP 5274033B2 JP 2008017980 A JP2008017980 A JP 2008017980A JP 2008017980 A JP2008017980 A JP 2008017980A JP 5274033 B2 JP5274033 B2 JP 5274033B2
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- solar cell
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- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 description 1
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 description 1
- STVZJERGLQHEKB-UHFFFAOYSA-N ethylene glycol dimethacrylate Substances CC(=C)C(=O)OCCOC(=O)C(C)=C STVZJERGLQHEKB-UHFFFAOYSA-N 0.000 description 1
- 229940117927 ethylene oxide Drugs 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
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- 239000003063 flame retardant Substances 0.000 description 1
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical compound FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- XLYMOEINVGRTEX-UHFFFAOYSA-N fumaric acid monoethyl ester Natural products CCOC(=O)C=CC(O)=O XLYMOEINVGRTEX-UHFFFAOYSA-N 0.000 description 1
- NKHAVTQWNUWKEO-UHFFFAOYSA-N fumaric acid monomethyl ester Natural products COC(=O)C=CC(O)=O NKHAVTQWNUWKEO-UHFFFAOYSA-N 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- NKHAVTQWNUWKEO-IHWYPQMZSA-N methyl hydrogen fumarate Chemical compound COC(=O)\C=C/C(O)=O NKHAVTQWNUWKEO-IHWYPQMZSA-N 0.000 description 1
- PHQOGHDTIVQXHL-UHFFFAOYSA-N n'-(3-trimethoxysilylpropyl)ethane-1,2-diamine Chemical compound CO[Si](OC)(OC)CCCNCCN PHQOGHDTIVQXHL-UHFFFAOYSA-N 0.000 description 1
- MQWFLKHKWJMCEN-UHFFFAOYSA-N n'-[3-[dimethoxy(methyl)silyl]propyl]ethane-1,2-diamine Chemical compound CO[Si](C)(OC)CCCNCCN MQWFLKHKWJMCEN-UHFFFAOYSA-N 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- HJWLCRVIBGQPNF-UHFFFAOYSA-N prop-2-enylbenzene Chemical compound C=CCC1=CC=CC=C1 HJWLCRVIBGQPNF-UHFFFAOYSA-N 0.000 description 1
- LYBIZMNPXTXVMV-UHFFFAOYSA-N propan-2-yl prop-2-enoate Chemical compound CC(C)OC(=O)C=C LYBIZMNPXTXVMV-UHFFFAOYSA-N 0.000 description 1
- NHARPDSAXCBDDR-UHFFFAOYSA-N propyl 2-methylprop-2-enoate Chemical compound CCCOC(=O)C(C)=C NHARPDSAXCBDDR-UHFFFAOYSA-N 0.000 description 1
- PNXMTCDJUBJHQJ-UHFFFAOYSA-N propyl prop-2-enoate Chemical compound CCCOC(=O)C=C PNXMTCDJUBJHQJ-UHFFFAOYSA-N 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 229920001384 propylene homopolymer Polymers 0.000 description 1
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- 239000004065 semiconductor Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
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- 125000000626 sulfinic acid group Chemical class 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- ISXSCDLOGDJUNJ-UHFFFAOYSA-N tert-butyl prop-2-enoate Chemical compound CC(C)(C)OC(=O)C=C ISXSCDLOGDJUNJ-UHFFFAOYSA-N 0.000 description 1
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- NBXZNTLFQLUFES-UHFFFAOYSA-N triethoxy(propyl)silane Chemical compound CCC[Si](OCC)(OCC)OCC NBXZNTLFQLUFES-UHFFFAOYSA-N 0.000 description 1
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- DQZNLOXENNXVAD-UHFFFAOYSA-N trimethoxy-[2-(7-oxabicyclo[4.1.0]heptan-4-yl)ethyl]silane Chemical compound C1C(CC[Si](OC)(OC)OC)CCC2OC21 DQZNLOXENNXVAD-UHFFFAOYSA-N 0.000 description 1
- 229920001862 ultra low molecular weight polyethylene Polymers 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
- 229920006163 vinyl copolymer Polymers 0.000 description 1
Images
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
- Y02E10/542—Dye sensitized solar cells
-
- 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
- Y02E10/549—Organic PV cells
Landscapes
- Photovoltaic Devices (AREA)
- Hybrid Cells (AREA)
Description
本発明者らは引き続きスペーサーの開発を行った結果、本発明を開発するに至ったものである。
球状物質は重合体(A)100重量部に対して、0.1〜5重量部 好ましくは0.2〜3重量部の割合で配合されていることが望ましい。
(1)IO−A:エチレン・メタクリル酸共重合体(メタクリル酸含量15重量%)の亜鉛アイオノマー(MFR*:16g/10分、中和度21%、融点90℃)
(2)OL−A:直鎖低密度ポリエチレン(密度930kg/m3)の無水マレイン酸グラフト変性物(無水マレイン酸含量:0.1重量%、MFR*:1.2g/10分、融点129℃)
(3)OL−B:エチレン・アクリル酸エステル共重合体のシラングラフトマー(ビニルシラン含量:0.15重量%、MFR*:20g/10分、融点87℃)
MFR*:JIS K7210−1999(190℃、2160g荷重)で測定したメルトフローレート
(4)OL−C:高圧法低密度ポリエチレン(密度923kg/m3、MFR*:3.7g/10分、融点111℃)
(5)シランカップリング剤−1:γ−グリシドキシプロピルトリメトキシシラン(商品名:KBM403、信越化学工業(株)製)
(6)球状物質−1:平均粒径50μm、変動係数7%以下(商品名:ミクロパールGS、積水化学工業(株)製)
(7)球状物質−2:平均粒径30μm、変動係数8%以下(商品名:SP−30、ユニチカ(株)製)
(8)球状物質−3:平均粒径50μm、変動係数8%以下(商品名:SP−50、ユニチカ(株)製)
表1記載の配合物を用い、インフレーションフィルム成形により厚み40から60μmのフィルムを作成し、これを各種評価に用いた。またプレス成形にて厚み1mmのシートを作成し、耐薬品性を評価した。
酸化錫をコーティングした青板ガラスを基材として用い、ガラスの酸化錫コート面に、後記する方法で作成した50μm厚みのフィルムを載せ、真空ラミネーター内に仕込み、160℃に温度調節したホットプレート上に載せて5分間加熱し、樹脂フィルム/ガラスの積層体を作成した。この積層体について、手でガラスから樹脂フィルムを剥がし、剥がれ方を観察した。
評価方法
剥がれ方により、次の4段階で評価した。
◎:ガラスに接着し、全く手で剥がすことができないレベル
○:ガラスに接着しているが、何とか手で剥がすことができるレベル
△:ガラスに接着しているが、簡単に手で剥がすことができるレベル
×:ガラスに全く接着しないレベル
3mmの青板ガラスを2枚用意し、その間に1cmの幅に切り出したフィルムを挟んだ。次いで真空ラミネーター内に仕込み、160℃に温度調節したホットプレート上に載せて10分間加熱し、ガラス/樹脂フィルム/ガラスの積層体を作成した。ガラス間の厚みが、球状粒子径とほぼ合致しているかどうか、1cm幅のスペーサーフィルムがつぶれて広がっていないかどうかを観察した。
上記材料から後記する方法で作成した1mm厚みのプレスシートを用い、アクリロニトリルと炭酸エチレンを8/2の割合で調合した溶液中に、以下の条件で浸漬し、重量変化並びに外観変化を観察した。
条件−1:24℃×24時間静置
条件−2:24℃×100時間静置
0.5wt%分の粒状物質−1(20g)をエタノール5gに希釈しIO−A 4000gに加え混合した。インフレダイス(口径500mm)を装着した単軸押出機(スクリュー径30mm、L/D=24)を使用して、巻取り速度3m/分で引取り、厚み60μm(折幅250mm)のフィルムを作成した。フィルム厚みを計る際は、厚みケージの接触面積が少ないものがよい。今回はMitutoyo製の厚みゲージを使用した。
このフィルムを用いて(1)ガラス接着性、(2)スペーサー機能について評価を行った。その結果を表2に示す。
このフィルムを用いて耐薬品性を評価するため、加熱プレス機にて厚さ1mmのシートを作成した(作成条件:160℃で初圧時間5分、加圧時間5分)。このシートを用いて(3)耐薬品性の評価を行った。その結果を表2に示す。
0.5wt%分の粒状物質−2(20g)をエタノール5gに希釈しIO−A 4000gに加え混合した。インフレダイス(口径500mm)を装着した単軸押出機(スクリュー径30mm、L/D=24)を使用して、巻取り速度3m/分で引取り、厚み40μm(折幅250mm)のフィルムを作成した。
このフィルムを用いて実施例1と同様に(1)ガラス接着性、(2)スペーサー機能、(3)耐薬品性の評価を行った。その結果を表2に示す。
0.5wt%分の粒状物質−3(20g)をエタノール5gに希釈しIO−A 4000gに加え混合した。インフレダイス(口径500mm)を装着した単軸押出機(スクリュー径30mm、L/D=24)を使用して、巻取り速度3m/分で引取り、厚み60μm(折幅250mm)のフィルムを作成した。
このフィルムを用いて実施例1と同様に(1)ガラス接着性、(2)スペーサー機能、(3)耐薬品性の評価を行った。その結果を表2に示す。
0.5wt%分の粒状物質−2(20g)をエタノール5gに希釈しIO−A 4000gに加え混合した。更にこれに0.1wt%分のシランカップリング剤−1(4g)を加えて混合し、インフレダイス(口径500mm)を装着した単軸押出機(スクリュー径30mm、L/D=24)を使用して、巻取り速度3m/分で引取り、厚み40μm(折幅250mm)のフィルムを作成した。
このフィルムを用いて実施例1と同様に(1)ガラス接着性、(2)スペーサー機能、(3)耐薬品性の評価を行った。その結果を表2に示す。
0.5wt%分の粒状物質−2(20g)をエタノール5gに希釈しOL−A 4000gに加え混合した。インフレダイス(口径500mm)を装着した単軸押出機(スクリュー径30mm、L/D=24)を使用して、巻取り速度3m/分で引取り、厚み40μm(折幅250mm)のフィルムを作成した。
このフィルムを用いて実施例1と同様に(1)ガラス接着性、(2)スペーサー機能、(3)耐薬品性の評価を行った。その結果を表2に示す。
0.5wt%分の粒状物質−2(20g)をエタノール5gに希釈しOL−B 4000gに加え混合した。インフレダイス(口径500mm)を装着した単軸押出機(スクリュー径30mm、L/D=24)を使用して、巻取り速度3m/分で引取り、厚み40μm(折幅250mm)のフィルムを作成した。
このフィルムを用いて実施例1と同様に(1)ガラス接着性、(2)スペーサー機能、(3)耐薬品性の評価を行った。その結果を表2に示す。
粒状物質を全く添加せずIO−Aを、インフレダイス(口径500mm)を装着した単軸押出機(スクリュー径30mm、L/D=24)を使用して、巻取り速度3m/分で引取り、厚み50μm(折幅250mm)のフィルムを作成した。
このフィルムを用いて実施例1と同様に(1)ガラス接着性、(2)スペーサー機能、(3)耐薬品性の評価を行った。その結果を表2に示す。
0.5wt%分の粒状物質−3(20g)をエタノール5gに希釈しOL−C 4000gに加え混合した。インフレダイス(口径500mm)を装着した単軸押出機(スクリュー径30mm、L/D=24)を使用して、巻取り速度3m/分で引取り、厚み60μm(折幅250mm)のフィルムを作成した。
このフィルムを用いて実施例1と同様に(1)ガラス接着性、(2)スペーサー機能、(3)耐薬品性の評価を行った。その結果を表2に示す。
本発明により提供される色素増感型太陽電池用スペーサーによって、基板接着性、耐熱性、耐薬品性、耐透湿性、耐久性および基材間の間隔を精度よく保つことに優れるスペーサーを用いた色素増感型太陽電池の提供が可能となった。
2 導電性透明基板
3 正電極
4 導電性透明基板
5 酸化チタン負電極
6 電解質溶液
Claims (4)
- オレフィン・アクリル酸又はメタクリル酸共重合体又はその金属塩、オレフィン重合体の無水マレイン酸グラフト共重合体、及びエチレン・極性モノマー共重合体の不飽和珪素化合物グラフト共重合体から選ばれた、示差走査熱量計(DSC)による融点が85〜150℃の範囲にある重合体(A)に、平均粒径が1μm〜200μmであり、粒度分布の標準偏差を平均粒径で割った変動係数が8%以下の球状物質が配合された組成物からなる色素増感型太陽電池用スペーサー。
- 球状物質がガラス、シリカ、シリコンアルコキシド、アクリル樹脂およびビニルベンゼン系樹脂から選ばれた請求項1に記載の色素増感型太陽電池用スペーサー。
- 球状物質が重合体(A)100重量部に対して、0.1〜5重量部の割合で配合されている請求項1又は2に記載の色素増感型太陽電池用スペーサー。
- 請求項1〜3のいずれかに記載のスペーサーを有する色素増感型太陽電池。
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