JP2007026917A - 複合多孔質膜、複合多孔質膜の製造方法、固体高分子電解質膜、及び燃料電池 - Google Patents
複合多孔質膜、複合多孔質膜の製造方法、固体高分子電解質膜、及び燃料電池 Download PDFInfo
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- JP2007026917A JP2007026917A JP2005208168A JP2005208168A JP2007026917A JP 2007026917 A JP2007026917 A JP 2007026917A JP 2005208168 A JP2005208168 A JP 2005208168A JP 2005208168 A JP2005208168 A JP 2005208168A JP 2007026917 A JP2007026917 A JP 2007026917A
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- porous membrane
- composite porous
- fibrous filler
- membrane according
- pores
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Images
Classifications
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- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1016—Fuel cells with solid electrolytes characterised by the electrolyte material
- H01M8/1018—Polymeric electrolyte materials
- H01M8/1069—Polymeric electrolyte materials characterised by the manufacturing processes
- H01M8/1086—After-treatment of the membrane other than by polymerisation
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01D67/0002—Organic membrane manufacture
- B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
- B01D67/0032—Organic membrane manufacture by inducing porosity into non porous precursor membranes by elimination of segments of the precursor, e.g. nucleation-track membranes, lithography or laser methods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Abstract
【解決手段】パルス幅が10−9秒以下の超短パルスレーザーが照射されて生じる繊維状フィラー3が露出した多数の細孔2を有することを特徴とする繊維状フィラー含有高分子フィルム又はシート1からなる複合多孔質膜、及び該細孔に高分子電解質5を充填した高分子電解質膜。
【選択図】図1
Description
第4に、本発明は、上記の複合多孔質膜からなる高分子電解質膜である。
第5に、本発明は、上記の固体高分子電解質膜を有する燃料電池である。
(1)スルホニルハライド基を有するモノマーである、CF2=CF(SO2X1)(式中、X1はハロゲン基で−Fまたは−Clである。以下同じ。)、CH2=CF(SO2X1)、及びCF2=CF(OCH2(CF2)mSO2X1)(式中、mは1〜4である。以下同じ。)からなる群から選択される1種類以上のモノマー。
(2)スルホン酸エステル基を有するモノマーである、CF2=CF(SO3R1)(式中、R1はアルキル基で−CH3、−C2H5または−C(CH3)3である。以下同じ。)、CH2=CF(SO3R1)、及びCF2=CF(OCH2(CF2)mSO3R1)からなる群から選択される1種類以上のモノマー。
(3)CF2=CF(O(CH2)mX2)(式中、X2はハロゲン基で−Br又は−Clである。以下同じ。)、及びCF2=CF(OCH2(CF2)mX2)からなる群から選択される1種類以上のモノマー。
(4)アクリルモノマーである、CF2=CR2(COOR3)(式中、R2は−CH3又は−Fであり、R3は−H、−CH3、−C2H5又は−C(CH3)3である。以下同じ。)、及びCH2=CR2(COOR3)からなる群から選択される1種類以上のモノマー。
(5)スチレン、スチレン誘導体モノマーである2,4−ジメチルスチレン、ビニルトルエン、及び4−tertブチルスチレンからなる群から選択される1種類以上のモノマー。
(6)アセチルナフチレン、ビニルケトンCH2=CH(COR4)(式中、R4は−CH3、−C2H5又はフェニル基(−C6H5)である。)、及びビニルエーテルCH2=CH(OR5)(式中、R5は−CnH2n+1(n=1〜5)、−CH(CH3)2、−C(CH3)3、又はフェニル基である。)からなる群から選択される1種類以上のモノマー。
[実施例]
図1に示される工程で、超短パルスレーザを利用した膜加工を用いた多孔質を支持体とした高機能な燃料電池用複合電解質膜を製造した。具体的な製法としては、加工しようとする孔径より長い繊維長を持つ繊維状材料(導電性を持っていない方が好ましい)を含んだ高分子フィルムに超短パルスレーザを照射することで図1のような構造を持つ多孔質膜を形成する。
Claims (32)
- パルス幅が10−9秒以下の超短パルスレーザーが照射されて生じる繊維状フィラーが露出した多数の細孔を有することを特徴とする繊維状フィラー含有高分子フィルム又はシートからなる複合多孔質膜。
- 前記繊維状フィラーが、無機繊維状フィラーであることを特徴とする請求項1に記載の複合多孔質膜。
- 前記繊維状フィラーが、基材となる含有高分子フィルム又はシートとの凝集エネルギーが相違する有機繊維状フィラーであることを特徴とする請求項1に記載の複合多孔質膜。
- 前記無機繊維状フィラーが、ガラス繊維であることを特徴とする請求項2に記載の複合多孔質膜。
- 前記有機繊維状フィラーが、アラミド繊維であることを特徴とする請求項3に記載の複合多孔質膜。
- 前記繊維状フィラーが露出した細孔に高分子電解質が充填されてい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複合多孔質膜。
- 前記高分子フィルム又はシートが、ポリシロキサンからなり、該ポリシロキサン中の有機基が、メチル基、フェニル基、水素基または水酸基のうちから選択される少なくとも1種以上の基であ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複合多孔質膜。
- 前記高分子電解質がスルホン酸基を有することを特徴とする請求項6乃至8のいずれかに記載の複合多孔質膜。
- 前記超短パルスレーザーが、ナノ秒パルスレーザー、ピコ秒パルスレーザー又はフェムト秒パルスレーザーであることを特徴とする請求項1乃至9のいずれかに記載の複合多孔質膜。
- 前記繊維状フィラーの繊維長が、前記細孔の孔径より大きく、繊維太さが前記細孔の孔径の20分の1以下であることを特徴とする請求項1乃至10のいずれかに記載の複合多孔質膜。
- 前記繊維状フィラーが、繊維長1μm〜10μmで、平均長さ÷平均径のアスペクト比が10以上であることを特徴とする請求項1乃至11のいずれかに記載の複合多孔質膜。
- 繊維状フィラー含有高分子フィルム又はシートに、パルス幅が10−9秒以下の超短パルスレーザーを照射させ、該繊維状フィラー含有高分子フィルム又はシートに繊維状フィラーが露出した細孔を生じさせることを特徴とする複合多孔質膜の製造方法。
- 前記繊維状フィラーが、無機繊維状フィラーであることを特徴とする請求項13に記載の複合多孔質膜の製造方法。
- 前記繊維状フィラーが、基材となる含有高分子フィルム又はシートとの凝集エネルギーが相違する有機繊維状フィラーであることを特徴とする請求項13に記載の複合多孔質膜の製造方法。
- 前記無機繊維状フィラーが、ガラス繊維であることを特徴とする請求項14に記載の複合多孔質膜の製造方法。
- 前記有機繊維状フィラーが、アラミド繊維であることを特徴とする請求項15に記載の複合多孔質膜の製造方法。
- 前記繊維状フィラーが露出した細孔に電解質生成モノマーを充填させ、次いで該電解質生成モノマーを重合させることを特徴とする請求項13乃至17のいずれかに記載の複合多孔質膜の製造方法。
- 前記電解質生成モノマーに架橋剤を混在させることを特徴とする請求項18に記載の複合多孔質膜の製造方法。
- 前記電解質生成モノマー及び所望により架橋剤を充填させる際に、超音波処理及び/又は脱泡処理を行なって浸透させることを特徴とする請求項18または19に記載の複合多孔質膜の製造方法。
- 前記電解質生成モノマーの重合が光重合、熱重合、触媒開始重合から選択される1種以上であることを特徴とする請求項18乃至20のいずれかに記載の複合多孔質膜の製造方法。
- 前記繊維状フィラーが露出した細孔に高分子電解質を充填させることを特徴とする請求項18に記載の複合多孔質膜の製造方法。
- 前記繊維状フィラーが露出した細孔に高分子電解質を充填させる際に、高分子電解質溶液を用い、後に溶媒を蒸発させることを特徴とする請求項22または23に記載の複合多孔質膜の製造方法。
- 前記無機繊維状フィラーが露出した細孔に高分子電解質を充填させる際に、加熱及び/又は加圧することを特徴とする請求項22乃至24のいずれかに記載の複合多孔質膜の製造方法。
- 前記超短パルスレーザーが、ナノ秒パルスレーザー、ピコ秒パルスレーザー又はフェムト秒パルスレーザーであることを特徴とする請求項13乃至25のいずれかに記載の複合多孔質膜の製造方法。
- 前記繊維状フィラーの繊維長が、前記細孔の孔径より大きく、繊維太さが前記細孔の孔径の20分の1以下であることを特徴とする請求項13乃至26のいずれかに記載の複合多孔質膜の製造方法。
- 前記繊維状フィラーが、繊維長1μm〜10μmで、平均長さ÷平均径のアスペクト比が10以上であることを特徴とする請求項13乃至27のいずれかに記載の複合多孔質膜の製造方法。
- 前記パルス幅が10−9秒以下の超短パルスレーザーを照射させる際に、ホログラフィック露光法を用い、多数の細孔を規則的に穿孔することを特徴とする請求項13乃至28のいずれかに記載の複合多孔質膜の製造方法。
- 請求項1乃至12のいずれかに記載の複合多孔質膜からなる機能性膜。
- 請求項6乃至12のいずれかに記載の複合多孔質膜からなる高分子電解質膜。
- 請求項31に記載の固体高分子電解質膜を有する燃料電池。
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JP2005208168A JP4992207B2 (ja) | 2005-07-19 | 2005-07-19 | 複合多孔質膜、複合多孔質膜の製造方法、固体高分子電解質膜、及び燃料電池 |
CNA2006800259927A CN101223663A (zh) | 2005-07-19 | 2006-07-19 | 复合多孔膜、制造复合多孔膜的方法、固体聚合物电解质膜和燃料电池 |
PCT/JP2006/314711 WO2007011054A1 (ja) | 2005-07-19 | 2006-07-19 | 複合多孔質膜、複合多孔質膜の製造方法、固体高分子電解質膜、及び燃料電池 |
CA002615098A CA2615098A1 (en) | 2005-07-19 | 2006-07-19 | Composite porous membrane, method for producing composite porous membrane, solid polymer electrolyte membrane, and fuel cell |
EP06781623A EP1909347A4 (en) | 2005-07-19 | 2006-07-19 | COMPOSITE POROUS MEMBRANE, PROCESS FOR PRODUCING THE SAME, SOLID POLYMER ELECTROLYTE MEMBRANE, AND FUEL CELL |
US11/996,079 US20090142638A1 (en) | 2005-07-19 | 2006-07-19 | Composite porous membrane, method for producing composite porous membrane, solid polymer electrolyte membrane, and fuel cell |
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JP2005208168A JP4992207B2 (ja) | 2005-07-19 | 2005-07-19 | 複合多孔質膜、複合多孔質膜の製造方法、固体高分子電解質膜、及び燃料電池 |
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EP (1) | EP1909347A4 (ja) |
JP (1) | JP4992207B2 (ja) |
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JP2015165461A (ja) * | 2014-03-03 | 2015-09-17 | 東洋紡株式会社 | 複合電解質膜及びその製造方法 |
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- 2006-07-19 CN CNA2006800259927A patent/CN101223663A/zh active Pending
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Also Published As
Publication number | Publication date |
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EP1909347A1 (en) | 2008-04-09 |
US20090142638A1 (en) | 2009-06-04 |
CN101223663A (zh) | 2008-07-16 |
CA2615098A1 (en) | 2007-01-25 |
JP4992207B2 (ja) | 2012-08-08 |
WO2007011054A1 (ja) | 2007-01-25 |
EP1909347A4 (en) | 2009-05-27 |
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