JP6637595B2 - イオン伝導体、その製造方法、及びそれを含むイオン交換膜、膜−電極アセンブリ及び燃料電池 - Google Patents
イオン伝導体、その製造方法、及びそれを含むイオン交換膜、膜−電極アセンブリ及び燃料電池 Download PDFInfo
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Description
(実施例1−1)
下記反応式1のように、ビスフェノールA(bisphenol A)と、1,3−ビス(4−フルオロベンゾイル)ベンゼン(1,3-bis(4−fluorobenzoyl)benzene)とを、炭酸カリウム(Potassium carbonate)の存在下で、DMAc/Toluene共溶媒を用いて160〜180℃で30時間反応させた後、精製水に吐出して洗浄した後に、熱風乾燥した。この際、オリゴマーの重合度を調節するためにcarother′s equation(カロザースの式)を用いた。
下記反応式2のように、4,4'−(9−フルオレニリデン)ジフェノール(4,4'−(9−fluorenylidene)diphenol)と、ビス(4−フルオロフェニル)スルホン(bis(4−fluorophenyl)sulfone)とを、炭酸カリウム(Potassium carbonate)の存在下で、DMAc/Toluene共溶媒を用いて160〜180℃で30時間反応させた後、精製水に吐出して洗浄した後に、熱風乾燥した。この際、オリゴマーの重合度を調節するためにcarother′s equationを用いた。
前記の製造された第1繰り返し単位と第2繰り返し単位とを、炭酸カリウム(Potassium carbonate)の存在下で、DMAc/Toluene共溶媒を用いて160〜180℃で30時間反応させた後、精製水に吐出して洗浄した後に、熱風乾燥した。前記の製造された重合体の親水性領域(Y):疎水性領域(X)のモル比は1:1.25だった。
前記の製造された重合体をジクロロメタン(dichloromethane)に溶解させた後、5倍の過剰量のクロロスルホン酸(chlorosulfonic acid)/DCM溶液にゆっくり添加して24時間撹拌した。前記溶液を廃棄し、析出された固形物を精製水に洗浄した後、熱風乾燥した。
前記実施例1−1において、前記重合体製造の際、親水性領域と疎水性領域とのモル比を1:2.5に変更したことを除いては、前記実施例1−1と同様に実施してイオン伝導体を製造した。
下記反応式3のように、4,4'−ジヒドロキシベンゾフェノン(4,4'−dihydroxybenzophenone)と、2,6−ジフルオロベンゾニトリル(2,6−difluorobenzonitrile)とを、炭酸カリウム(Potassium carbonate)の存在下で、DMAc/Toluene共溶媒を用いて160〜180℃で30時間反応させた後、精製水に吐出して洗浄した後に、熱風乾燥した。この際、オリゴマーの重合度を調節するためにcarother′s equationを用いた。
下記反応式4のように、4,4'−(9−フルオレニリデン)ジフェノール(4,4'−(9−fluorenylidene)diphenol)と、ビス(4−フルオロフェニル)スルホン(bis(4−fluorophenyl)sulfone)とを、炭酸カリウム(Potassium carbonate)の存在下で、DMAc/Toluene共溶媒を用いて160〜180℃で30時間反応させた後、精製水に吐出して洗浄した後に、熱風乾燥した。この際、オリゴマーの重合度を調節するためにcarother′s equationを用いた。
前記の製造された第1繰り返し単位と第3繰り返し単位とを炭酸カリウム(Potassium carbonate)の存在下で、DMAc/Toluene共溶媒を用いて160〜180℃で30時間反応させた後、精製水に吐出して洗浄した後、熱風乾燥した。前記製造された重合体の親水性領域(Y):疎水性領域(X)のモル比は1:2.5だった。
前記の製造された重合体をジクロロメタン(dichloromethane)に溶解させた後、5倍の過剰量のクロロスルホン酸(chlorosulfonic acid)/DCM溶液にゆっくり添加して24時間撹拌した。前記溶液を廃棄し、析出された固形物を精製水に洗浄した後、熱風乾燥した。
4,4'−ジヒドロキシベンゾフェノン(4,4'−dihydroxybenzophenone)と、ビス(4−フルオロフェニル)スルホン(bis(4−fluorophenyl)sulfone)とを、炭酸カリウム(Potassium carbonate)の存在下で、DMAc/Toluene共溶媒を用いて160〜180℃で30時間反応させた後、精製水に吐出して洗浄した後に、熱風乾燥した。この際、オリゴマーの重合度を調節するためにcarother′s equationを用いた。
4,4'−(9−フルオレニリデン)ジフェノール(4,4'−(9−fluorenylidene)diphenol)と、1,3−ビス(4−フルオロベンゾイル)ベンゼン(1,3-bis(4−fluorobenzoyl)benzene)とを、炭酸カリウム(Potassium carbonate)の存在下で、DMAc/Toluene共溶媒を用いて160〜180℃で30時間反応させた後、精製水に吐出して洗浄した後に、熱風乾燥した。この際、オリゴマーの重合度を調節するためにcarother′s equationを用いた。
前記の製造された第1繰り返し単位と第2繰り返し単位とを炭酸カリウム(Potassium carbonate)の存在下で、DMAc/Toluene共溶媒を用いて160〜180℃で30時間反応させた後、精製水に吐出して洗浄した後に、熱風乾燥した。前記製造された重合体の親水性領域(X):疎水性領域(Y)のモル比は1:2.3だった。
前記の製造された重合体をジクロロメタン(dichloromethane)に溶解させた後、5倍の過剰量のクロロスルホン酸(chlorosulfonic acid)/DCM溶液にゆっくり添加して24時間撹拌した。前記溶液を廃棄し、析出された固形物を精製水に洗浄した後、熱風乾燥した。
下記反応式5のように、4,4'−(9−フルオレニリデン)ジフェノール(4,4'−(9−fluorenylidene)diphenol)と、ビス(4−フルオロフェニル)スルホン(bis(4−fluorophenyl)sulfone)とを、炭酸カリウム(Potassium carbonate)の存在下で、DMAc/Toluene共溶媒を用いて160〜180℃で30時間反応させた後、精製水に吐出して洗浄した後、熱風乾燥した。この際、オリゴマーの重合度を調節するためにcarother’s equationを用いた。
下記反応式6のように、4,4'−ジヒドロキシベンゾフェノン(4,4'−dihydroxybenzophenone)と、ビス(4−フルオロフェニル)スルホン(bis(4−fluorophenyl)sulfone)とを、炭酸カリウム(Potassium carbonate)の存在下で、DMAc/Toluene共溶媒を用いて160〜180℃で30時間反応させた後、精製水に吐出して洗浄した後、熱風乾燥した。この際、オリゴマーの重合度を調節するためにcarother′s equationを用いた。
前記の製造された第1繰り返し単位と第2繰り返し単位とを炭酸カリウム(Potassium carbonate)の存在下で、DMAc/Toluene共溶媒を用いて160〜180℃で30時間反応させた後、精製水に吐出して洗浄した後に、熱風乾燥した。前記の製造された重合体の親水性領域(Y):疎水性領域(X)のモル比は1:2.5だった。
前記製造された重合体をジクロロメタン(dichloromethane)に溶解させた後、5倍の過剰量のクロロスルホン酸(chlorosulfonic acid)/DCM溶液にゆっくり添加して24時間撹拌した。前記溶液を廃棄し、析出された固形物を精製水に洗浄した後、熱風乾燥した。
(実施例2−1乃至2−4)
前記比較例1−1で製造されたイオン伝導体をDMAcに20重量%で溶解させた後、製膜して単一膜の形態のイオン交換膜を製造した。
(実施例3−1)
前記実施例3−1において、前記実施例1−1で製造したイオン伝導体の代わりに、それぞれ前記実施例1−2乃至実施例1−4で製造したイオン伝導体を使用したことを除いては、前記実施例3−1と同様に実施して強化膜の形態のイオン交換膜を製造した。
前記実施例3−1において、前記実施例1−1で製造したイオン伝導体の代わりに、前記比較例1−1で製造したイオン伝導体を使用したことを除いては、前記実施例3−1と同様に実施して強化膜の形態のイオン交換膜を製造した。
(実験例1)
30、30′:触媒層
40、40′:電極基材
50:イオン交換膜
100:膜−電極アセンブリ
Claims (10)
- 第1セグメント及び第2セグメントを含み、この第1セグメントは、スルホン化されることでスルホン酸基を有しており、
第2セグメントは、下記の化学式A1〜A3の少なくとも一つで表され、繰り返し単位の数Xが5〜40であり、
第1セグメントは、スルホン化される前に下記の化学式B1〜B2の少なくとも一つで表され、繰り返し単位の数Yが5〜40であり、
第1セグメントの繰り返し単位と、第2セグメントの繰り返し単位とのモル比率(Y:X)が、1/1.25〜1/2.5の範囲内にあり、
第1セグメントにおけるスルホン化可能なサイトのうちの50〜100%がスルホン化されているイオン伝導体。
<化学式A1>
<化学式A2>
<化学式A3>
<化学式B1>
<化学式B2>
- 前記2価の含窒素芳香族環基は、ピロール、チアゾール、イソチアゾール、オキサゾール、イソオキサゾール、イミダゾール、イミダゾリン、イミダゾリジン、ピラゾール、トリアジン、ピリジン、ピリミジン、ピリダジン、ピラジン、インドール、キノリン、イソキノリン、テトラゾール、テトラジン、トリアゾール、カルバゾール、キノキサリン、キナゾリン、インドリジン、イソインドール、インダゾール、フタラジン、ナフチリジン、ビピリジン、ベンズイミダゾール、イミダゾール、ピロリジン、ピロリン、ピラゾリン、ピラゾリジン、ピペリジン、ピペラジン及びインドリンからなる群から選択されるいずれか一つの含窒素芳香族環化合物の2価基であるものである、請求項3に記載のイオン伝導体。
- 第1セグメントのための第1オリゴマーを製造する段階と、
第2セグメントのための第2オリゴマーを製造する段階と、
第1オリゴマー及び第2オリゴマーでもって、第1セグメントと第2セグメントとを含むブロック共重合体を製造する段階と、
前記第1セグメントについて、スルホン化することでスルホン酸基を導入する段階と、
を含み、
第2セグメントは、下記の化学式A1〜A3の少なくとも一つで表され、繰り返し単位の数Xが5〜40であり、
第1セグメントは、下記の化学式B1〜B2の少なくとも一つで表され、繰り返し単位の数Yが5〜40であり、
第1セグメントの繰り返し単位と、第2セグメントの繰り返し単位とのモル比率(Y:X)が、1/1.25〜1/2.5の範囲内にあり、
第1セグメントにおけるスルホン化可能なサイトのうちの50〜100%をスルホン化する、イオン伝導体の製造方法。
<化学式A1>
<化学式A2>
<化学式A3>
<化学式B1>
<化学式B2>
- 請求項1〜4のいずれかに記載のイオン伝導体を含むイオン交換膜。
- 前記イオン交換膜は、ナノ繊維が多数の気孔を有する不織布の形態に集積された多孔性支持体と、
前記多孔性支持体の気孔を埋めている前記イオン伝導体とを含むものである、請求項7に記載のイオン交換膜。 - 互いに対向して位置するアノード電極及びカソード電極と、
前記アノード電極とカソード電極との間に位置する、請求項7に記載のイオン交換膜と
を含む膜−電極アセンブリ。 - 請求項9に記載の膜−電極アセンブリを含む燃料電池。
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JP2010031231A (ja) * | 2008-06-30 | 2010-02-12 | Jsr Corp | 新規な芳香族化合物および含窒素芳香環を有するポリアリーレン系共重合体 |
CN101388466A (zh) * | 2008-10-21 | 2009-03-18 | 中山大学 | 一种用于高温燃料电池的质子交换膜及其制备方法 |
WO2011025259A2 (ko) * | 2009-08-25 | 2011-03-03 | 주식회사 코오롱 | 연료전지용 고분자 전해질막 및 그 제조방법 |
US8916672B2 (en) | 2009-12-11 | 2014-12-23 | ICUF-HYU (Industry-University Cooperation Foundation Hanyang University) | Transparent polyarylene ether polymer with high heat resistance and method for preparing the same |
KR101376362B1 (ko) | 2010-04-28 | 2014-03-26 | 코오롱패션머티리얼 (주) | 연료전지용 고분자 전해질막 및 그 제조방법 |
CN103052671B (zh) | 2010-08-03 | 2015-06-10 | Jsr株式会社 | 聚合物、其制造方法以及膜 |
KR101267905B1 (ko) | 2011-03-25 | 2013-05-27 | 한국화학연구원 | 술폰산기가 도입된 디페닐플루오렌기를 포함하는 수소이온 전도성 공중합체, 그의 제조방법, 그로부터 제조된 고분자 전해질 막, 이를 이용한 막-전극 접합체 및 이를 채용한 고분자 전해질 막 연료전지 |
JP2014098137A (ja) * | 2012-10-15 | 2014-05-29 | Toray Ind Inc | ブロック共重合体およびその製造方法、ならびにブロック共重合体を用いた高分子電解質材料、高分子電解質成型体および固体高分子型燃料電池 |
CN104530682B (zh) * | 2015-01-16 | 2017-01-25 | 长春工业大学 | 纳米纤维素/磺化聚芳醚酮复合膜及其制备方法与应用 |
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