JP5088660B2 - 電気化学セルの製造方法 - Google Patents
電気化学セルの製造方法 Download PDFInfo
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- JP5088660B2 JP5088660B2 JP2006316008A JP2006316008A JP5088660B2 JP 5088660 B2 JP5088660 B2 JP 5088660B2 JP 2006316008 A JP2006316008 A JP 2006316008A JP 2006316008 A JP2006316008 A JP 2006316008A JP 5088660 B2 JP5088660 B2 JP 5088660B2
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Images
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Description
本発明の一態様の電気化学セルの製造方法は、第1の導電層の上に金属酸化物層を設ける工程と、前記金属酸化物層の上に色素を設ける工程と、を含み、前記金属酸化物層の上に色素を設ける工程は、第1のインクをインクジェット印刷により前記金属酸化物層の上に供給する工程を含み、前記第1のインクは、第1の溶媒及び第2の溶媒を含み、 前記第1の溶媒の沸点が、前記第2の溶媒の沸点より高く、前記第1の溶媒の沸点が150℃よりも高く、前記第1の溶媒は、前記第1のインクに体積で40%未満含まれることを特徴とする。
上記の本発明に係る電気化学セルの製造方法は、第1の導電材料の上に金属酸化物を設ける工程と、前記金属酸化物の上に色素を設ける工程と、を含み、前記金属酸化物の上に色素を設ける工程は、第1のインクを前記金属酸化物の上に供給する工程を含み、前記第1のインクは、第1の溶媒及び第2の溶媒を含み、前記第1の溶媒の沸点と、前記第2の溶媒の沸点が異なることを特徴とする。
本発明に係る電気化学セルの製造方法は、第1の導電層と、前記第1の導電層の上に設けられた、互いに離間した複数の隣接する金属酸化物セルを含む金属酸化物層と、前記金属酸化物層の上に設けられた機能色素層と、第2の導電層と、前記機能色素層と前記第2の導電層との間に設けられた電解質と、を含む電気化学セルの製造方法であって、前記機能色素層を有機溶媒を含む第1のインクを用いて形成することを特徴とする。
本発明に係る他の電気化学セルの製造方法は、第1の導電層と、前記第1の導電層の上に設けられた、互いに離間した複数の隣接する金属酸化物セルを含む金属酸化物層と、金属酸化物層の上に設けられた機能色素層と、第2の導電層と、前記機能色素層と前記第2の導電層との間に設けられた電解質と、を含む電気化学セルの製造方法であって、前記機能色素層を、第1の溶媒と第2の溶媒とを含む第1のインクを用いて形成することを特徴とする。
上記の電気化学セルの製造方法において、前記第1の溶媒および前記第2の溶媒が異なる沸点を有するようにしてもよい。
上記の電気化学セルの製造方法において、前記第1の溶媒が前記第2の溶媒の沸点よりも高い沸点を有するようにしてもよい。
上記の電気化学セルの製造方法において、前記第1の溶媒が略150℃よりも高い沸点を有するようにしてもよい。
上記の電気化学セルの製造方法において、前記第1の溶媒は、前記第1のインクに体積で5%含まれ、前記第2の溶媒は、前記第1のインクに体積で95%含まれるようにしてもよい。
上記の電気化学セルの製造方法において、前記第1の溶媒は、前記第1のインクに体積で40%未満含まれるようにしてもよい。
上記の電気化学セルの製造方法において、前記第1の溶媒が1,3−ジメチル−2−イミダゾリジノンであり、前記第2の溶媒が3−メチル−2−オキサゾリジノンであるようにしてもよい。
上記の電気化学セルの製造方法において、前記機能色素層を、前記第1のインクに加えて、前記第1のインクに含まれる第1の色素とは異なる色を呈する第2の色素を含む第2のインクを用いて形成するようにしてもよい。
上記の電気化学セルの製造方法において、前記第1の色素及び前記第2の色素のうち少なくとも一つが電気化学セルの発電に寄与するようにしてもよい。
上記の電気化学セルの製造方法において、機能色素層の色の深度は、前記第1のインクの滴の大きさを調製することにより設定されるようにしてもよい。
上記の電気化学セルの製造方法において、前記機能色素層の色の深度は、前記第1のインクの液滴の数を調製することによって設定されるようにしてもよい。
上記の電気化学セルの製造方法において、前記機能色素層の色の深度は、前記第1のインクに含まれる色素の濃度を調整することにより設定されるようにしてもよい。
本発明の第1の実施形態では、電気化学セルを提供する。電気化学セルは、第1の導電層;第1の導電層の上に設けられた、互いに離間した複数の隣接する金属酸化物セルを含む金属酸化物層;金属酸化物層の上に設けられた機能色素層;第2の導電層;および機能色素層と第2の導電層との間に設けられた電解質:を含み、第1および第2の導電層のうち少なくとも一つが透明であり;および機能色素層が有機溶媒インクから形成されることを特徴とする。
401・・・第1の絶縁基板層
402・・・第1の導電性酸化物(TCO)電極層402
403・・・金属酸化物層
404・・・増感剤(色素)層
405・・・電解質層
406・・・第2のTCO電極層
407・・・第2の絶縁基板層
Claims (9)
- 第1の導電層の上に金属酸化物層を設ける工程と、
前記金属酸化物層の上に色素を設ける工程と、
を含み、
前記金属酸化物層の上に色素を設ける工程は、第1のインクをインクジェット印刷により前記金属酸化物層の上に供給する工程を含み、
前記第1のインクは、第1の溶媒及び第2の溶媒を含み、
前記第1の溶媒の沸点が、前記第2の溶媒の沸点より高く、
前記第1の溶媒の沸点が150℃よりも高く、
前記第1の溶媒は、前記第1のインクに体積で40%未満含まれることを特徴とする電気化学セルの製造方法。 - 前記第1の溶媒は、前記第1のインクに体積で5%含まれ、
前記第2の溶媒は、前記第1のインクに体積で95%含まれることを特徴とする請求項1に記載の電気化学セルの製造方法。 - 前記第1の溶媒が1,3−ジメチル−2−イミダゾリジノンであり、
前記第2の溶媒が3−メチル−2−オキサゾリジノンであることを特徴とする請求項1または2のいずれかに記載の電気化学セルの製造方法。 - 前記第1のインクに含まれる第1の色素とは異なる色の第2の色素を含む第2のインクを用いて、前記第1金属酸化物層の上であって、前記第1の色素が設けられた位置または前記第1の色素が設けられた位置とは異なる位置に第2の色素を形成する工程を更に含む、請求項1乃至3のいずれかに記載の電気化学セルの製造方法。
- 前記第1の色素及び前記第2の色素のうち少なくとも一つが電気化学セルの発電に寄与することを特徴とする請求項4に記載の電気化学セルの製造方法。
- 前記色素の色の深度は、前記金属酸化物層の上に供給される前記第1のインクの滴の大きさを調整することにより設定されることを特徴とする請求項1乃至5のいずれかに記載の電気化学セルの製造方法。
- 前記色素の色の深度は、前記金属酸化物層の上に供給される前記第1のインクの液滴の数を調整することによって設定されることを特徴とする請求項1乃至6のいずれかに記載の電気化学セルの製造方法。
- 前記色素の色の深度は、前記第1の色素の濃度を調整することにより設定されることを特徴とする請求項1乃至7のいずれかに記載の電気化学セルの製造方法。
- 前記第1の導電材料の上に前記金属酸化物層のうちの第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設ける工程と、
前記分離手段の開口部であって前記金属酸化物層の上に色素を設ける工程と、
を更に含むことを特徴とする請求項1乃至8のいずれかに記載の電気化学セルの製造方法。
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