JP2007107003A - イオン伝導性架橋共重合体、高分子電解質膜、膜電極接合体および燃料電池 - Google Patents
イオン伝導性架橋共重合体、高分子電解質膜、膜電極接合体および燃料電池 Download PDFInfo
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- 0 *c1ccc(C2(c3ccccc3-c3ccccc23)c2ccc(*)cc2)cc1 Chemical compound *c1ccc(C2(c3ccccc3-c3ccccc23)c2ccc(*)cc2)cc1 0.000 description 9
- IEQIEHQVSNLTNH-UHFFFAOYSA-N N#Cc(c(O)ccc1)c1O Chemical compound N#Cc(c(O)ccc1)c1O IEQIEHQVSNLTNH-UHFFFAOYSA-N 0.000 description 1
- HOBVWCJDEZUQHH-UHFFFAOYSA-N Oc(cc1)ccc1C(c(cc1)cc(cc2)c1cc2C(c(cc1)ccc1O)=O)=O Chemical compound Oc(cc1)ccc1C(c(cc1)cc(cc2)c1cc2C(c(cc1)ccc1O)=O)=O HOBVWCJDEZUQHH-UHFFFAOYSA-N 0.000 description 1
- HVYBCWHAJRYTCH-UHFFFAOYSA-N Oc(cc1)ccc1C(c1cc(C(c(cc2)ccc2O)=O)ccc1)=O Chemical compound Oc(cc1)ccc1C(c1cc(C(c(cc2)ccc2O)=O)ccc1)=O HVYBCWHAJRYTCH-UHFFFAOYSA-N 0.000 description 1
- VPWNQTHUCYMVMZ-UHFFFAOYSA-N Oc(cc1)ccc1S(c(cc1)ccc1O)(=O)=O Chemical compound Oc(cc1)ccc1S(c(cc1)ccc1O)(=O)=O VPWNQTHUCYMVMZ-UHFFFAOYSA-N 0.000 description 1
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Abstract
【解決手段】本発明によれば、3官能性以上の単量体を利用することによって架橋構造が形成され、適切な比率のイオン伝導性作用基を含むスルホン化イオン伝導性架橋共重合体と、高分子電解質膜、膜電極接合体および燃料電池が提供される。架橋構造を有するスルホン化されたイオン伝導性共重合体を提供することによって、液体との接触によるスウェリングを抑制して寸法安定性が優秀であることはもとより、メタノールクロスオーバーを顕著に減少させ、イオン伝導度を高く維持する優秀な性能の高分子電解質膜を得ることが可能である。
【選択図】なし
Description
ディーン−スターク装置が設置された250mLの3口フラスコに、下記化学式5の化合物4.337g(19.00mmol)、下記化学式6の化合物2.980g(13.66mmol)、下記化学式7の化合物2.884g(6.83mmol)、下記化学式8の化合物0.292g(1.00mmol)及び無水K2CO3 2.832gを投入し、溶媒としてジメチルスルホキシド(DMSO)50mL及びトルエン20mLを混合した。
化学式5の化合物4.378g(19.18mmol)、化学式6の化合物3.098g(14.20mmol)、化学式7の化合物2.998g(7.10mmol)、化学式8の化合物0.622g(2.13mmol)、無水K2CO3 2.95g、DMSO55mL、及びトルエン30mLを使用した点を除いては、上記の実施例1と同じ方法で伝導性共重合体を製造し(Tg:173.5℃、Td:195.4℃)、それを利用して高分子電解質膜を得た。
化学式5の化合物6.506g(28.50mmol)、化学式6の化合物4.026g(18.45mmol)、化学式7の化合物5.194g(12.30mmol)、化学式8の化合物0.438g(1.5mmol)、無水K2CO3 4.30g、DMSO80mL、及びトルエン40mLを使用した点を除いては、上記の実施例1と同じ方法で伝導性共重合体を製造し(Tg:167.4℃、Td:184.0℃)、それを利用して高分子電解質膜を得た。
化学式8の化合物の代わりに、下記化学式9の化合物0.243g(1.5mmol)使用した点を除いては、上記の実施例3と同じ方法で伝導性共重合体を製造し(Tg:164.5℃、Td:183.3℃)、それを利用して高分子電解質膜を得た。
化学式5の化合物3.242g(14.20mmol)、化学式6の化合物2.066g(9.47mmol)、化学式7の化合物1.997g(4.73mmol)、無水K2CO3 1.96g、DMSO36mL、及びトルエン20mLを使用した点を除いては、上記の実施例1と同じ方法で伝導性共重合体を製造し(Tg:136.4℃、Td:219.2℃)、それを利用して高分子電解質膜を得た。
デュポン社製のナフィオン溶液をキャスティングして、60℃のオーブンで24時間乾燥し、高分子電解質膜(膜厚:約92μm)を製造し、この膜を1.0Mの塩酸水溶液に24時間浸たしてプロトン化させ、蒸溜水に24時間浸漬させた。
Claims (14)
- 芳香族ジオールである第1単量体と、
ハロゲン基またはニトロ基を2個含み、前記ハロゲン基または前記ニトロ基が、前記第1単量体のヒドロキシ基と反応可能である第2単量体と、
前記第1単量体または前記第2単量体のベンゼン環に結合された水素原子が、-SO3Yに置換された単量体である第3単量体と、
ヒドロキシ基、ニトロ基、またはハロゲン基を3個以上含む第4単量体と、
を含み、
前記Yは、水素、リチウム、ナトリウム、カリウム、またはトリアルキルアンモニウムであり、
前記Rは、炭素数1〜5のアルキル基であることを特徴とする、スルホン化イオン伝導性架橋共重合体。 - 前記ヒドロキシ基のモル数と、前記ニトロ基または前記ハロゲン基の総モル数との比は、4.0:6.0〜6.0:4.0であることを特徴とする、請求項1に記載のスルホン化イオン伝導性架橋共重合体。
- 前記ヒドロキシ基のモル数と、前記ニトロ基または前記ハロゲン基の総モル数との比は、4.8:5.2〜5.2:4.8であることを特徴とする、請求項1に記載のスルホン化イオン伝導性架橋共重合体。
- 前記第4単量体のモル分率は、前記第1単量体〜前記第3単量体のうち前記第4単量体と同一の置換基を有する単量体のモル数の和を基準として、0.001〜0.5であることを特徴とする、請求項1に記載のスルホン化イオン伝導性架橋共重合体。
- 前記第4単量体のモル分率は、前記第1単量体〜前記第3単量体のうち前記第4単量体と同一の置換基を有する単量体のモル数の和を基準として、0.03〜0.25であることを特徴とする、請求項1に記載のスルホン化イオン伝導性架橋共重合体。
- 前記第4単量体のモル分率は、前記第1単量体〜前記第3単量体のうち前記第4単量体と同一の置換基を有する単量体のモル数の和を基準として、0.07〜0.15であることを特徴とする、請求項1に記載のスルホン化イオン伝導性架橋共重合体。
- 第3単量体のモル分率は、前記第1単量体、前記第2単量体、前記第3単量体および前記第4単量体の総モル数を基準として、0.01〜0.95であることを特徴とする、請求項1に記載のスルホン化イオン伝導性架橋共重合体。
- 請求項1〜11のいずれか1項に記載のスルホン化イオン伝導性架橋共重合体を含むことを特徴とする、高分子電解質膜。
- 触媒層及び拡散層を含むカソードと、
触媒層及び拡散層を含むアノードと、
前記カソードと前記アノードとの間に配設される高分子電解質膜と、
を含み、
前記高分子電解質膜は、請求項1〜11のいずれか1項に記載のスルホン化イオン伝導性架橋共重合体を含むことを特徴とする膜電極接合体。 - 触媒層及び拡散層を含むカソードと、
触媒層及び拡散層を含むアノードと、
前記カソードと前記アノードとの間に配設される高分子電解質膜と、
を備え、
前記高分子電解質膜は、請求項1〜11のいずれか1項に記載のスルホン化イオン伝導性架橋共重合体を含むことを特徴とする、燃料電池。
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KR1020050096192A KR100634551B1 (ko) | 2005-10-12 | 2005-10-12 | 이온전도성 가교 공중합체 및 이를 포함하는 연료전지 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009091581A (ja) * | 2007-10-11 | 2009-04-30 | Gwangju Inst Of Science & Technology | 高分子鎖の内部に架橋構造を有するスルホン化したポリ(アリレンエーテル)共重合体、高分子鎖の内部および末端に架橋構造を有するスルホン化したポリ(アリレンエーテル)共重合体およびそれを用いた高分子電解質膜 |
JP2012506941A (ja) * | 2008-11-04 | 2012-03-22 | エルジー・ケム・リミテッド | 高分子電解質膜 |
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US20070282023A1 (en) * | 2006-06-01 | 2007-12-06 | Lousenberg Robert D | Fluoropolymer dispersions and membranes |
US20080114149A1 (en) * | 2006-11-14 | 2008-05-15 | General Electric Company | Polymers comprising superacidic groups, and uses thereof |
JP2008308683A (ja) * | 2007-05-17 | 2008-12-25 | Sumitomo Chemical Co Ltd | 架橋芳香族ポリマー、高分子電解質、触媒インク、高分子電解質膜、膜−電極接合体及び燃料電池 |
EP2048182A1 (en) * | 2007-10-11 | 2009-04-15 | Gwangju Institute of Science and Technology | Sulfonate poly(arylene ether) having crosslinkable moiety combined in chain of polymer, sulfonated poly(arylene ether) having crosslinkable moieties combined in polymer and at polymer end group, and polymer electrolyte membrane using sulfonated poly(arylene ether) |
JP2010015980A (ja) * | 2008-06-05 | 2010-01-21 | Sumitomo Chemical Co Ltd | 高分子電解質、架橋高分子電解質、高分子電解質膜およびその用途 |
US8574664B2 (en) * | 2008-09-02 | 2013-11-05 | General Electric Company | Electrolyte membrane, methods of manufacture thereof and articles comprising the same |
US8197955B2 (en) * | 2008-09-02 | 2012-06-12 | General Electric Company | Electrolyte membrane, methods of manufacture thereof and articles comprising the same |
KR101235167B1 (ko) * | 2010-07-15 | 2013-02-20 | 광주과학기술원 | 가교구조를 포함하는 술폰화된 폴리(아릴렌 에테르) 공중합체 및 이를 포함하는 고분자 전해질막 |
EP2450907B1 (en) * | 2010-11-05 | 2014-02-12 | Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V. | Alkaline single ion conductors with high conductivity and transference number and methods for preparing the same |
CN106661249B (zh) * | 2014-06-13 | 2019-09-10 | 株式会社Lg化学 | 复合电解质膜及其制造方法 |
KR102424779B1 (ko) * | 2019-07-08 | 2022-07-25 | 코오롱인더스트리 주식회사 | 고분자 전해질막, 그 제조방법, 및 그것을 포함하는 전기화학 장치 |
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JP2009091581A (ja) * | 2007-10-11 | 2009-04-30 | Gwangju Inst Of Science & Technology | 高分子鎖の内部に架橋構造を有するスルホン化したポリ(アリレンエーテル)共重合体、高分子鎖の内部および末端に架橋構造を有するスルホン化したポリ(アリレンエーテル)共重合体およびそれを用いた高分子電解質膜 |
US8487070B2 (en) | 2007-10-11 | 2013-07-16 | Gwangju Institute Of Science And Technology | Sulfonated poly(arylene ether) having crosslinkable moiety combined in chain of polymer, sulfonated poly(arylene ether) having crosslinkable moieties combined in polymer and at polymer end group, and polymer electrolyte membrane using sulfonated poly(arylene ether) |
JP2012506941A (ja) * | 2008-11-04 | 2012-03-22 | エルジー・ケム・リミテッド | 高分子電解質膜 |
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KR100634551B1 (ko) | 2006-10-16 |
CN101003623A (zh) | 2007-07-25 |
US7893117B2 (en) | 2011-02-22 |
US20070082247A1 (en) | 2007-04-12 |
CN101003623B (zh) | 2010-06-16 |
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