JP2006156397A - 膜電極接合体およびこれを含む燃料電池システム - Google Patents
膜電極接合体およびこれを含む燃料電池システム Download PDFInfo
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Abstract
【解決手段】本発明によれば,互いに対向して配置されるアノード電極およびカソード電極と,上記のアノード電極とカソード電極との間に配置される高分子電解質膜とを備え,この高分子電解質膜が,疎水性ブロックおよび親水性ブロックからなる両親媒性ブロック共重合体を含むことを特徴とする,膜電極接合体21,およびこの膜電極接合体21を含む燃料電池システム100が提供される。本発明にかかる膜電極接合体21は,物理化学的安定性に優れ,かつ水素イオン伝導度の向上が可能となるため,この膜電極接合体を含む燃料電池システム100は,その効率を向上させることが可能となる。
【選択図】図1
Description
<実施例>
下記化学式15で表わされる両親媒性ブロック共重合体10質量部を硫酸5質量部およびジメチルホルムアルデヒド100質量部に溶解し,これを加熱してreflux条件で10時間反応させた後,得られた溶液をフィルム状にキャスティングし,水に浸漬して高分子電解質膜を製造した。
両親媒性ブロック共重合体の疎水性ブロックの官能基として−OC30H61の代わりに−OC5H11を使用した以外は,実施例1と同様の方法を行って単位電池を製造した。
上記の化学式15においてk=10,l=50である以外は,実施例1と同様の方法を行って単位電池を製造した。
両親媒性ブロック共重合体の疎水性ブロックの官能基として−OC30H61の代わりに−OC5H11を使用し,親水性ブロックとしてポリエーテルケトン(PEK)の代わりにポリエーテルエーテルケトン(PEEK,上記の化学式4に該当)を使用した以外は,実施例1と同様の方法を行って単位電池を製造した。
市販Nafion112を購入して,実施例1と同様の方法を行って高分子電解質膜および単位電池を製造した。
5 酸化剤供給源
7 スタック
9 燃料タンク
11 燃料ポンプ
13 空気ポンプ
19 電気発生部
21 膜電極接合体
23,25 セパレータ
100 燃料電池システム
Claims (10)
- 互いに対向して配置されるアノード電極およびカソード電極と;
前記アノード電極と前記カソード電極との間に配置される高分子電解質膜と;
を備え,
前記高分子電解質膜が,疎水性ブロックおよび親水性ブロックからなる両親媒性ブロック共重合体を含むことを特徴とする,膜電極接合体。 - 前記両親媒性ブロック共重合体は,疎水性ブロック(A)と親水性ブロック(B)とがA−B型,A−B−A型およびB−A−B型よりなる形態から選択された1種の形態を含むことを特徴とする,請求項1に記載の膜電極接合体。
- 前記両親媒性ブロック共重合体の疎水性ブロックと親水性ブロックは,0.2:0.8〜0.5:0.5のモル比で存在することを特徴とする,請求項1に記載の膜電極接合体。
- 前記疎水性ブロックは,質量平均分子量が10000〜100000であり,前記親水性ブロックは,質量平均分子量が20000〜500000であることを特徴とする,請求項1に記載の膜電極接合体。
- 前記親水性ブロックは,
(A)不飽和エチレン系モノ(ジ)カルボン酸,
(B)不飽和カルボン酸のアミド,
(C)ホスホン酸基,リン酸(塩)基,ホスホン酸塩基またはスルホン酸基を有するエチレン系モノマー,
(D)リン酸化されたポリエチレングリコール(メタ)アクリレート,リン酸化されたポリプロピレングリコール(メタ)クリレートまたはこれらの誘導体,
(E)陽イオン性モノマー,
(F)少なくとも一つの2級,3級または4級アミン作用基,窒素原子,ビニルアミンもしくはエチレンイミンを含むヘテロ環基を含むモノマー,
(G)N−ビニルピロリドンを含むビニルアミンの環状アミド,
または,
(H)ポリ((アルキル)アクリル酸)
より選択された少なくとも1種の親水性モノマーから重合されることを特徴とする,請求項1に記載の膜電極接合体。 - 前記親水性ブロックは,塩化物,硫酸塩,硫酸水素塩,アルキル硫酸塩,リン酸塩,クエン酸塩,ギ酸塩,および酢酸塩からなる群より選択された少なくとも1種の塩の形態で存在することを特徴とする,請求項1に記載の膜電極接合体。
- 前記親水性ブロックは,10nm〜500nmの大きさを有する親水性ドメインを形成することを特徴とする,請求項1に記載の膜電極接合体。
- 前記疎水性ブロックは,10nm〜1000nmの大きさを有する疎水性ドメインを形成することを特徴とする,請求項1に記載の膜電極接合体。
- 互いに対向して配置されるアノード電極およびカソード電極と,前記アノード電極と前記カソード電極の間に設けられ,請求項1〜9のいずれか1項に記載の高分子電解質膜とが備えられた膜電極接合体と,前記膜電極接合体の両側に配置されるセパレータとを有する電気発生部と;
水素を含有した燃料を前記電気発生部へ供給する燃料供給部と;
酸化剤を前記電気発生部へ供給する酸化剤供給部と;
を含むことを特徴とする,燃料電池システム。
Applications Claiming Priority (1)
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KR1020040098553A KR100739035B1 (ko) | 2004-11-29 | 2004-11-29 | 막-전극 어셈블리 및 이를 포함하는 연료전지 시스템 |
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JP2006156397A true JP2006156397A (ja) | 2006-06-15 |
JP4620574B2 JP4620574B2 (ja) | 2011-01-26 |
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US (1) | US7625650B2 (ja) |
JP (1) | JP4620574B2 (ja) |
KR (1) | KR100739035B1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010095562A1 (ja) * | 2009-02-17 | 2010-08-26 | 株式会社クラレ | 電解質膜及び膜―電極接合体 |
JP2014198298A (ja) * | 2013-03-29 | 2014-10-23 | 株式会社クラレ | 硝酸イオンの分離方法 |
JP2014237092A (ja) * | 2013-06-07 | 2014-12-18 | 株式会社クラレ | 脱イオン水の製造方法 |
Families Citing this family (6)
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US20070048590A1 (en) * | 2005-08-31 | 2007-03-01 | Suh Jun W | Fuel cell system, and unit cell and bipolar plate used therefor |
US8846161B2 (en) * | 2006-10-03 | 2014-09-30 | Brigham Young University | Hydrophobic coating and method |
US20080240479A1 (en) * | 2006-10-03 | 2008-10-02 | Sonic Innovations, Inc. | Hydrophobic and oleophobic coating and method for preparing the same |
ITMI20071058A1 (it) * | 2007-05-24 | 2008-11-25 | St Microelectronics Srl | Prodotto composito poroso per realizzare uno strato catalitico, particolarmente in elettrodi di celle a combustibile. |
KR20090040124A (ko) * | 2007-10-19 | 2009-04-23 | 삼성에스디아이 주식회사 | 연료전지용 막-전극 어셈블리, 이의 제조방법, 및 이를포함하는 연료전지 시스템 |
FR3041349B1 (fr) * | 2015-09-18 | 2020-01-24 | Total Marketing Services | Copolymere utilisable comme additif detergent pour carburant |
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JP2003031232A (ja) * | 2001-05-08 | 2003-01-31 | Ube Ind Ltd | 固体高分子型燃料電池用高分子電解質及び燃料電池 |
JP2004190002A (ja) * | 2002-10-15 | 2004-07-08 | Sumitomo Chem Co Ltd | ブロック共重合体及びその用途 |
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US6316134B1 (en) * | 1999-09-13 | 2001-11-13 | Ballard Generation Systems, Inc. | Fuel cell electric power generation system |
US6623664B2 (en) * | 1999-12-24 | 2003-09-23 | 3M Innovative Properties Company | Conductive adhesive and biomedical electrode |
WO2002077039A1 (en) * | 2001-03-13 | 2002-10-03 | Sony Corporation | Electrolyte solution absorber and method of manufacturing the absorber |
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EP1394879B1 (en) | 2001-05-08 | 2006-08-23 | Ube Industries, Ltd. | Polymer electrolyte for solid polymer type fuel cell and fuel cell |
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CA2525754A1 (en) * | 2003-05-13 | 2004-11-25 | The University Of Sheffield | Polymer electrolyte complex |
JP4562364B2 (ja) * | 2003-09-12 | 2010-10-13 | 日本曹達株式会社 | ブロック・グラフト共重合体及びそれらを用いた高分子固体電解質 |
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2004
- 2004-11-29 KR KR1020040098553A patent/KR100739035B1/ko not_active IP Right Cessation
-
2005
- 2005-11-29 JP JP2005343956A patent/JP4620574B2/ja not_active Expired - Fee Related
- 2005-11-29 US US11/291,102 patent/US7625650B2/en not_active Expired - Fee Related
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JP2003031232A (ja) * | 2001-05-08 | 2003-01-31 | Ube Ind Ltd | 固体高分子型燃料電池用高分子電解質及び燃料電池 |
JP2004190002A (ja) * | 2002-10-15 | 2004-07-08 | Sumitomo Chem Co Ltd | ブロック共重合体及びその用途 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010095562A1 (ja) * | 2009-02-17 | 2010-08-26 | 株式会社クラレ | 電解質膜及び膜―電極接合体 |
CN102318011A (zh) * | 2009-02-17 | 2012-01-11 | 可乐丽股份有限公司 | 电解质膜及膜-电极接合体 |
CN102318011B (zh) * | 2009-02-17 | 2014-10-29 | 可乐丽股份有限公司 | 电解质膜及膜-电极接合体 |
US8993192B2 (en) | 2009-02-17 | 2015-03-31 | Kuraray Co., Ltd. | Electrolyte membrane and membrane-electrode assembly |
JP2014198298A (ja) * | 2013-03-29 | 2014-10-23 | 株式会社クラレ | 硝酸イオンの分離方法 |
JP2014237092A (ja) * | 2013-06-07 | 2014-12-18 | 株式会社クラレ | 脱イオン水の製造方法 |
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Publication number | Publication date |
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JP4620574B2 (ja) | 2011-01-26 |
US20060141314A1 (en) | 2006-06-29 |
US7625650B2 (en) | 2009-12-01 |
KR100739035B1 (ko) | 2007-07-12 |
KR20060059455A (ko) | 2006-06-02 |
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