JP5145702B2 - 電気化学セル及びその製造方法 - Google Patents
電気化学セル及びその製造方法 Download PDFInfo
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- JP5145702B2 JP5145702B2 JP2006316007A JP2006316007A JP5145702B2 JP 5145702 B2 JP5145702 B2 JP 5145702B2 JP 2006316007 A JP2006316007 A JP 2006316007A JP 2006316007 A JP2006316007 A JP 2006316007A JP 5145702 B2 JP5145702 B2 JP 5145702B2
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- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
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Description
また、上記の本発明に係る電気化学セルは、第1導電層と、前記第1導電体の上に配置された分離手段と、前記分離手段の開口部であって、前記第1導電層の上に配置された金属酸化物と、前記金属酸化物の上に配置された色素と、第2導電層と、前記色素と前記第2導電層との間に配置された電解質と、を含み、前記第1導電層及び前記第2導電層のうち少なくとも一つは透明であり、前記金属酸化物の厚みの範囲は0.5μmから20μmであり、前記分離手段は疎水性及び/又は疎油性であり、前記第1導電体は親水性及び/又は親油性であることを特徴とする。
また、上記の本発明に係る電気化学セルは、第1導電層と、前記第1導電層上に形成された金属酸化物層と、前記金属酸化物層上に形成された機能色素層と、第2導電層と、前記機能色素層と前記第2導電層との間に設けられた電解質と、を含み、前記金属酸化物層は、複数の金属酸化物セルを有し、前記第1導電層及び前記第2導電層のうち少なくとも一つは透明であり、前記金属酸化物層は金属酸化物粒子分散液を含むことを特徴とする。
上記の電気化学セルにおいて、前記金属酸化物粒子分散液は水を含むようにしてもよい。
上記の電気化学セルにおいて、前記金属酸化物粒子分散液はアルコールを含むようにしてもよい。
上記の電気化学セルにおいて、前記金属酸化物粒子分散液は、直径がおよそ5nmから500nmの複数の金属酸化物粒子を含むようにしてもよい。
上記の電気化学セルにおいて、前記複数の金属酸化物粒子は直径がおよそ18nmであるようにしてもよい。
上記の電気化学セルにおいて、前記金属酸化物粒子分散液は、粘度調製剤を含むようにしてもよい。
上記の電気化学セルにおいて、前記粘度調整剤の濃度は、5w/w%未満であるようにしてもよい。
上記の電気化学セルにおいて、前記金属酸化物粒子分散液は、バインダーを含むようにしてもよい。
上記の電気化学セルにおいて、前記バインダーは、ポリエチレングリコール、又はポリエチレンオキシドであってもよい。
上記の電気化学セルにおいて、前記バインダーの濃度は、5w/w%未満であってもよい。
上記の電気化学セルにおいて、前記金属酸化物粒子分散液は、界面張力を調整する界面活性剤を更に有していてもよい。
上記の電気化学セルにおいて、前記界面活性剤は、トリトンXであってもよい。
上記の電気化学セルにおいて、前記第1導電層上に形成され、前記複数の金属酸化物セルの各々を取り囲む分離手段を更に含むようにしてもよい。
本発明の第1実施態様である電気化学セルは、第1導電層と、該第一導電層上に形成された金属酸化物層と、ここで該金属酸化物層は、互いに離間し、隣接した複数の金属酸化物セルを有し、前記金属酸化物層上に形成された機能色素層と、第2導電層と、該機能色素層と該第2導電層の間に電解質を含み、前記第1導電層、該第2導電層の少なくとも一つは透明であり、前記金属酸化物層は金属酸化物粒子分散液からなる。
また、上記の本発明に係る電気化学セルの製造方法は、第1導電層を形成する工程と、
前記第1導電体の上に分離手段を形成する工程と、前記分離手段の開口部、及び前記第1導電層の上に金属酸化物を形成する工程と、前記金属酸化物の上に色素を形成する工程と、第2導電層を形成する工程と、前記色素と前記第2導電層との間に電解質を配置する工程と、を含み、前記金属酸化物の厚みの範囲は0.5μmから20μmであり、前記分離手段は疎水性及び/又は疎油性であり、前記第1導電体は親水性及び/又は親油性であることを特徴とする。
また、上記の本発明に係る第2実施態様の電気化学セルの形成方法は、第1導電層を形成し、前記第1導電層上に金属酸化物粒子分散液から金属酸化物層を形成し、ここで金属酸化物層は複数の互いに離間して隣接する金属酸化物セルを含み、前記金属酸化物層上に機能色素層を形成し、第2導電層を形成し、前記機能色素層と該第2導電層との間に電解質を備えることと、を含み、前記第1及び第2導電層の少なくとも一つが透明である。
TiO2を供給しないと、3w/w%の純PEO溶液と同等となる。このようにPEOの濃度が高いと、得られるインクは粘性が強すぎて普通インクジェット印刷できない。このように、得られるインクの物理的性質、主に粘性において、乾燥材料添加物の体積割合により制限されるインクではなく、そのような添加物が持つ作用により制限されるインクの有用性が期待される。
401…第1透明絶縁基板層
402…第1透明導電性酸化物(TCO)電極層
403…金属酸化物層
404…増感体(色素)/エレクトロクロミック材層
405…電解質層
406…第2TCO電極層
407…第2透明絶縁基板層
Claims (20)
- 第1導電層と、
前記第1導電層の上に配置された第1の金属酸化物層と第2の金属酸化物層とを分離する分離手段と、
前記分離手段の開口部であって、前記第1導電層の上に配置された前記第1の金属酸化物層と、
前記第1の金属酸化物層の上に配置された色素と、
第2導電層と、
前記色素と前記第2導電層との間に配置された電解質と、
を含み、
前記第1導電層及び前記第2導電層のうち少なくとも一つは透明であり、
前記第1の金属酸化物層の厚みの範囲は0.5μmから20μmであり、
前記分離手段は疎水性及び/又は疎油性であり、前記第1導電層は親水性及び/又は親油性であることを特徴とする電気化学セル。 - 前記第1の金属酸化物層は金属酸化物粒子分散液を前記第1導電層の上に塗布して形成され、
前記金属酸化物粒子分散液は水を含む、請求項1に記載の電気化学セル。 - 前記第1の金属酸化物層は金属酸化物粒子分散液を前記第1導電層の上に塗布して形成され、
前記金属酸化物粒子分散液はアルコールを含む、請求項1に記載の電気化学セル。 - 前記金属酸化物粒子分散液は、直径が5nmから500nmの複数の金属酸化物粒子を含む、請求項2又は3に記載の電気化学セル。
- 前記複数の金属酸化物粒子の各々は、直径が18nmである、請求項4に記載の電気化学セル。
- 前記金属酸化物粒子分散液は、粘度調整剤を含む、請求項2乃至5のいずれか一つに記載の電気化学セル。
- 前記粘度調整剤の濃度は、5w/w%未満である、請求項6に記載の電気化学セル。
- 前記金属酸化物粒子分散液は、バインダーを含む、請求項2乃至7のいずれか一つに記載の電気化学セル。
- 前記バインダーは、ポリエチレングリコール、又はポリエチレンオキシドである、請求項8に記載の電気化学セル。
- 前記バインダーの濃度は、5w/w%未満である、請求項8又は9に記載の電気化学セル。
- 前記金属酸化物粒子分散液は、界面張力を調整する界面活性剤を更に含む、請求項2乃至10のいずれか一つに記載の電気化学セル。
- 前記界面活性剤は、ポリ(オキシエチレン)オクチルフェニルエーテルである、請求項11に記載の電気化学セル。
- 第1導電層を形成する工程と、
前記第1導電層の上に第1の金属酸化物層と第2の金属酸化物層とを分離する分離手段を形成する工程と、
前記分離手段の開口部であって、前記第1導電層の上に前記第1の金属酸化物層を形成する工程と、
前記第1の金属酸化物層の上に色素を形成する工程と、
第2導電層を形成する工程と、
前記色素と前記第2導電層との間に電解質を配置する工程と、
を含み、
前記第1の金属酸化物層の厚みの範囲は0.5μmから20μmであり、
前記分離手段は疎水性及び/又は疎油性であり、前記第1導電層は親水性及び/又は親油性であることを特徴とする電気化学セルの製造方法。 - 前記第1導電層の上に第1の金属酸化物層を形成する工程は、
金属酸化物粒子分散液を前記第1導電層の上に塗布する工程と、
前記第1導電層の上に塗布した前記金属酸化物粒子分散液を乾燥させる工程と、
を含むことを特徴とする請求項13に記載の電気化学セルの製造方法。 - 前記第1導電層の上に塗布した前記金属酸化物粒子分散液を乾燥させる工程の後、金属酸化物塗布層を焼結する工程を更に含むことを特徴とする請求項14に記載の電気化学セルの製造方法。
- 前記金属酸化物粒子分散液は、水及びアルコールのうちの少なくとも一方を含むことを特徴とする請求項14又は15に記載の電気化学セルの製造方法。
- 前記金属酸化物粒子分散液は、直径が5nmから500nmの複数の金属酸化物粒子を含む、請求項14乃至16のいずれか一つに記載の電気化学セルの製造方法。
- 前記金属酸化物粒子分散液は、粘度調整剤を含む、請求項14乃至17のいずれか一つに記載の電気化学セルの製造方法。
- 前記金属酸化物粒子分散液は、バインダーを含む、請求項14乃至18のいずれか一つに記載の電気化学セルの製造方法。
- 前記金属酸化物粒子分散液は、界面張力を調整する界面活性剤を更に含むことを特徴とする請求項14乃至19のいずれか一つに記載の電気化学セルの製造方法。
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