JP2007536712A - 膜及びそのような膜を含む電気化学セル - Google Patents
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Abstract
Description
本発明の別の態様は、電気化学セルに使用するためのイオン伝導性膜を製造する方法を提供する。同方法は、多孔領域を形成する目的にてシート状基質材料を選択された位置にて貫通する複数の孔を形成する工程と、同基質材料を貫通する複数のイオン伝導性通路を形成するためにイオン伝導性材料で同孔を充填する工程と、を含む。
Claims (45)
- イオン伝導性領域を含むイオン伝導性膜であって、
前記イオン伝導性領域は一つ以上のイオン伝導性通路を備えた基質であって、同イオン伝導性通路が前記基質を貫通して延びる基質を含み、各通路は、前記基質よりもイオン伝導性が大きいイオン伝導性材料を含む、イオン伝導性膜。 - 前記イオン伝導性領域は複数のイオン伝導性通路を含む、請求項1に記載の膜。
- 各通路は前記基質を貫通するとともに前記イオン伝導性材料が充填された対応する孔からなる、請求項2に記載の膜。
- 前記基質は、同基質の多孔領域にある複数の孔により貫通されており、前記基質の前記多孔領域は前記膜のイオン伝導性領域に対応する、請求項3に記載の膜。
- 前記基質は、前記膜の非イオン伝導性領域に対応する実質的に無孔の領域を含む、請求項4に記載の膜。
- 前記基質の多孔領域は、前記基質の無孔領域に包囲されている、請求項5に記載の膜。
- 各通路は、約2500ミクロン以下である最大横断寸法(D)を有する、請求項2に記載の膜。
- 最も隣接する通路間において両通路の中心から中心までの横方向の間隙(L)は約5000ミクロン以下である、請求項2に記載の膜。
- 各通路の最大横断寸法(D)及び最も隣接する通路間において両通路の中心から中心までの横方向の間隙(L)は、パラメータ比(L/D)が約2.5以下となるように選択される、請求項2に記載の膜。
- 各通路は約1×10−5m2以下の横断面積を有する、請求項2に記載の膜。
- 前記イオン伝導性領域の横断面積全体の前記複数の通路の横断面積全体に対する比率(γ)は、2.5以下である、請求項2に記載の膜。
- 各通路の最小横断寸法は、25ミクロンより大きい、請求項2に記載の膜。
- 前記通路は、ほぼ円形、ほぼ六角形、ほぼ長方形及びほぼスリット状の形状のうちの少なくとも一つを含む横断面を有する通路を含む、請求項2に記載の膜。
- 請求項2に記載の膜は前記基質の第一の側に配置されたイオン伝導性材料の第一の表面膜層を含み、前記第一の表面膜層のイオン伝導性材料は前記通路の少なくとも一つのイオン伝導性材料と接触している、膜。
- 請求項14に記載の膜は前記基質の第二の側に配置されたイオン伝導性材料の第二の表面膜層を含み、前記第二の表面膜層のイオン伝導性材料は前記通路の少なくとも一つのイオン伝導性材料と接触している、膜。
- 請求項4に記載の膜はイオン伝導性材料の第一の表面膜層を含み、前記第一の表面膜層は前記基質の第一の側に配置されるとともに前記基質の多孔領域の少なくとも第一の部分にわたって横方向に延びており、それにより前記第一の表面膜層のイオン伝導性材料は前記通路の少なくとも一つのイオン伝導性材料と接触している、膜。
- 請求項16に記載の膜はイオン伝導性材料の第二の表面膜層を含み、前記第二の表面膜層は前記基質の第二の側に配置されるとともに前記基質の多孔領域の少なくとも第二の部分にわたって横方向に延びており、それにより前記第二の表面膜層のイオン伝導性材料は前記通路の少なくとも一つのイオン伝導性材料と接触している、膜。
- 前記第一の表面膜層における前記イオン伝導性材料は前記通路におけるイオン伝導性材料と同じである、請求項14に記載の膜。
- 前記第一の表面膜層のイオン伝導性材料は前記通路のイオン伝導性材料とは異なる、請求項14に記載の膜。
- 前記第一の表面膜層のイオン伝導性材料は前記第二の表面膜層のイオン伝導性材料とは異なる、請求項15に記載の膜。
- 前記第一の表面膜層のイオン伝導性材料及び前記通路の第一の部分のイオン伝導性材料は、前記第二の表面膜層及び前記通路の第二の部分のイオン伝導性材料とは異なる、請求項15に記載の膜。
- 前記第一及び第二の表面膜層はほぼ同じ厚み(Lskin)を有する、請求項15に記載の膜。
- 前記第一及び第二の表面膜層は5乃至50ミクロンの範囲にある厚み(Lskin1及びLskin2)を有する、請求項15に記載の膜。
- 前記第一及び第二の表面膜層の各々は同一のイオン伝導性材料からなる、請求項15に記載の膜。
- 前記基質は厚み(Lcore)を有し、前記第一及び第二の表面膜層は厚み(Lskin1及びLskin2)を有し、かつ前記第一及び第二の表面膜層の厚み(Lskin1及びLskin2)の前記基質の厚み(Lcore)に対する比は、0.25乃至5の範囲にある、請求項15に記載の膜。
- 前記基質は複数の層を含む、請求項3に記載の膜。
- 前記基質の複数の層の少なくとも一つはメッシュ材料を含む、請求項26に記載の膜。
- 前記基質は一つ以上の製造されたビアによって貫通されており、前記製造されたビアは前記基質の多孔領域から横方向に離間している、請求項4に記載の膜。
- 前記製造されたビアはイオン伝導性材料で充填されている、請求項28に記載の膜。
- 前記製造されたビアを充填するイオン伝導性材料は前記通路を充填するイオン伝導性材料と接触している、請求項29に記載の膜。
- 複数のイオン伝導性領域を含む請求項1の膜において、前記イオン伝導性領域の各々は前記基質を貫通して延びる一つ以上の対応するイオン伝導性通路を含み、前記イオン伝導性通路の各々はイオン伝導性材料を含む、膜。
- 前記イオン伝導性領域は互いに接触している、請求項31に記載の膜。
- 前記イオン伝導性領域は互いに横方向に離間している、請求項31に記載の膜。
- 各イオン伝導性領域に対応する前記一つ以上のイオン伝導性通路は、通路の大きさ、通路の形状、通路の密度及び通路の配置のうちの少なくとも一つが異なっている、請求項31に記載の膜。
- 前記通路は、同通路に対応する選択された位置において前記基質をイオン伝導性のより大きな状態に変換することにより形成される、請求項2に記載の膜。
- 前記実質的に非イオン伝導性材料であるシートは、テトラフルオロエチレン及びパーフルオロ−3,6−ジオキサ−4−メチル−7−オクテンスルホニルフルオライドのコポリマーを含む、請求項35に記載の膜。
- 前記実質的に非イオン伝導性材料であるシートは、加水分解によってイオン伝導性がより大きな状態に変換される、請求項35に記載の膜。
- 前記通路は、同通路を包囲する位置に対応する選択された位置において前記基質をイオン伝導性のより小さな状態に変換することにより形成される、請求項2に記載の膜。
- 請求項1に記載の膜を含む燃料電池。
- 請求項1に記載の膜を含む電解セル。
- 前記イオン伝導性材料がイオノマーである、請求項1に記載の膜。
- イオン伝導性の膜であって、
その多孔領域において複数の孔により貫通されている基質と、
前記基質を貫通する複数のイオン伝導性通路を提供するために前記孔を満たすイオン伝導性材料と、
を含み、前記イオン伝導性材料は、前記基質よりもイオン伝導性が大きい、イオン伝導性膜。 - イオン伝導性の膜であって、
少なくとも一つの孔により貫通されている基質と、
前記基質を貫通するイオン伝導性の通路を提供するために前記少なくとも一つの孔を充填するとともに前記基質の第一の側に第一の表面膜層を提供するイオン伝導性材料とを含み、前記表面膜層は前記孔の周縁部を超えて横方向に延びており、前記イオン伝導性材料は前記基質よりもイオン伝導性が大きい、イオン伝導性膜。 - 前記基質は一つ以上の製造されたビアによって貫通されており、前記製造されたビアは前記少なくとも一つの孔から横方向に離間しており、かつ前記製造されたビアは、前記第一の表面膜層におけるイオン伝導性材料と隣接しているイオン伝導性材料で充填されている、請求項43に記載の膜。
- 請求項44に記載の膜は前記基質の第二の側にイオン伝導性材料の第二の表面膜層を含み、前記第二の表面膜層におけるイオン伝導性材料は前記製造されたビアにおけるイオン伝導性材料と隣接している、膜。
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US56743704P | 2004-05-04 | 2004-05-04 | |
US60/567,437 | 2004-05-04 | ||
US11/047,558 US7378176B2 (en) | 2004-05-04 | 2005-02-02 | Membranes and electrochemical cells incorporating such membranes |
US11/047,558 | 2005-02-02 | ||
PCT/CA2005/000663 WO2005106992A1 (en) | 2004-05-04 | 2005-05-03 | Membranes and electrochemical cells incorporating such membranes |
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EP (2) | EP2487745A1 (ja) |
JP (1) | JP5113517B2 (ja) |
KR (1) | KR101182136B1 (ja) |
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JP2012156105A (ja) * | 2011-01-28 | 2012-08-16 | Tokyo Univ Of Science | 燃料電池及びその製造方法 |
JP2014222629A (ja) * | 2013-05-14 | 2014-11-27 | トヨタ自動車株式会社 | 燃料電池用電解質膜、燃料電池用電解質膜の製造方法 |
WO2016140005A1 (ja) * | 2015-03-03 | 2016-09-09 | 株式会社村田製作所 | 多孔体およびフィルタデバイス |
JP2023500598A (ja) * | 2020-09-29 | 2023-01-10 | コーロン インダストリーズ インク | 高分子電解質膜、それを含む膜-電極アセンブリ及び燃料電池 |
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JP5113517B2 (ja) | 2013-01-09 |
KR20070015192A (ko) | 2007-02-01 |
CN1965425A (zh) | 2007-05-16 |
US20050249994A1 (en) | 2005-11-10 |
WO2005106992A1 (en) | 2005-11-10 |
US7223491B2 (en) | 2007-05-29 |
US20060083973A1 (en) | 2006-04-20 |
US20080220210A1 (en) | 2008-09-11 |
EP2487745A1 (en) | 2012-08-15 |
US8551637B2 (en) | 2013-10-08 |
US7378176B2 (en) | 2008-05-27 |
EP1745523A4 (en) | 2009-04-01 |
US20060083972A1 (en) | 2006-04-20 |
EP1745523A1 (en) | 2007-01-24 |
KR101182136B1 (ko) | 2012-09-12 |
US7226646B2 (en) | 2007-06-05 |
USRE41163E1 (en) | 2010-03-09 |
CN1965425B (zh) | 2010-11-10 |
CA2565244C (en) | 2012-08-21 |
CA2565244A1 (en) | 2005-11-10 |
EP1745523B1 (en) | 2016-11-02 |
HK1101938A1 (en) | 2007-11-02 |
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