JP4290616B2 - 燃料電池用電解質、膜電極接合体、燃料電池スタック、燃料電池システムおよび燃料電池用電解質の製造方法 - Google Patents
燃料電池用電解質、膜電極接合体、燃料電池スタック、燃料電池システムおよび燃料電池用電解質の製造方法 Download PDFInfo
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- H01M4/90—Selection of catalytic material
- H01M4/92—Metals of platinum group
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- H01M8/0289—Means for holding the electrolyte
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- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1016—Fuel cells with solid electrolytes characterised by the electrolyte material
- H01M8/1018—Polymeric electrolyte materials
- H01M8/102—Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer
- H01M8/1023—Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer having only carbon, e.g. polyarylenes, polystyrenes or polybutadiene-styrenes
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- H—ELECTRICITY
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- H01M8/00—Fuel cells; Manufacture thereof
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- H01M8/1016—Fuel cells with solid electrolytes characterised by the electrolyte material
- H01M8/1018—Polymeric electrolyte materials
- H01M8/102—Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer
- H01M8/1027—Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer having carbon, oxygen and other atoms, e.g. sulfonated polyethersulfones [S-PES]
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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
- H01M8/102—Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer
- H01M8/103—Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer having nitrogen, e.g. sulfonated polybenzimidazoles [S-PBI], polybenzimidazoles with phosphoric acid, sulfonated polyamides [S-PA] or sulfonated polyphosphazenes [S-PPh]
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- H—ELECTRICITY
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- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- 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
- H01M8/1039—Polymeric electrolyte materials halogenated, e.g. sulfonated polyvinylidene fluorides
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- 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
- H01M8/1041—Polymer electrolyte composites, mixtures or blends
- H01M8/1044—Mixtures of polymers, of which at least one is ionically conductive
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- 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
- H01M8/1041—Polymer electrolyte composites, mixtures or blends
- H01M8/1046—Mixtures of at least one polymer and at least one additive
- H01M8/1048—Ion-conducting additives, e.g. ion-conducting particles, heteropolyacids, metal phosphate or polybenzimidazole with phosphoric acid
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Description
90gのN,N’−ジメチルアセトアミドに10gのPBI(重量平均分子量:約70,000)を加え、10重量%のPBI溶液を作製した。室温にて、200mlビーカー中の115%リン酸90gに10重量%PBI溶液100gを撹拌しながら徐々に添加した。得られた混合物を、170℃の温度で2〜3日乾燥して残存しているN,N’−ジメチルアセトアミドを除去した。続いて、PBIおよびリン酸を含む固形物を、ジェットミルにて粉体状にした。粒径分布測定装置を用いて、得られた粉体の体積平均粒径を測定したところ、50μmであった。なお、PBIおよびリン酸を含む固形物をジェットミルで粉砕した後、風力式分級機で分散することにより、所望の体積平均粒径の粉体を得ることができる。
上述のような手順により作製された固体高分子電解質膜を、図2に示したような固体高分子形燃料電池スタック10に組み込み、イオン伝導度を測定した。イオン伝導度の測定には、4−プローブ伝導度測定装置を使用し、周波数1Hz〜100kHz、電圧100mVの条件下で測定を実施した。その結果、150℃、無加湿の条件下でイオン伝導度約10 -1 S/cmが得られた。このイオン伝導度は、少なくとも1000時間は維持された。イオン伝導測定後の固体高分子電解質膜を目視にて観察したところ、ひび割れ等の異常は見られなかった。
Claims (10)
- ポリベンズイミダゾール類、ポリ(ピリジン類)、ポリ(ピリミジン類)、ポリイミダゾール類、ポリベンゾチアゾール類、ポリベンゾオキサゾール類、ポリオキサジアゾール類、ポリキノリン類、ポリキノキサリン類、ポリチアジアゾール類、ポリ(テトラザピレン類)、ポリオキサゾール類およびポリチアゾール類からなる群より選ばれる塩基性ポリマーと、
リン酸または硫酸からなる強酸と、
結着材と、
を含有し、
前記塩基性ポリマーが粉体であることを特徴とする燃料電池用電解質。 - 前記粉体の体積平均粒径が、10〜100μmであることを特徴とする請求項1に記載の燃料電池用電解質。
- 前記塩基性ポリマーが、ポリビニルピリジン類およびポリビニルイミダゾール類からなる群より選ばれることを特徴とする請求項1または2に記載の燃料電池用電解質。
- 前記結着材がフッ素系樹脂であることを特徴とする請求項1乃至3のいずれか1項に記載の燃料電池用電解質。
- 3〜60重量%の前記結着材を含有すること特徴とする請求項1乃至4のいずれか1項に記載の燃料電池用電解質。
- 請求項1乃至5のいずれか1項に記載の燃料電池用電解質と、前記燃料電池用電解質の一方の面に設けられたアノードと、前記燃料電池用電解質の他方の面に設けられたカソードとを含むことを特徴とする膜電極接合体。
- 請求項6に記載の膜電極接合体と、前記膜電極接合体のアノードに対向して燃料流路を設けたアノード側プレートと、前記膜電極接合体のカソードに対向して酸化剤流路を設けたカソード側プレートとで構成されるセルを複数積層したことを特徴とする燃料電池スタック。
- 炭化水素系燃料を改質して水素ガスを生成する改質装置と、前記改質装置から供給される水素ガスと、酸化剤とを用いて電力を発生する請求項7に記載の燃料電池スタックと、を含むことを特徴とする燃料電池システム。
- 溶媒にポリベンズイミダゾール類、ポリ(ピリジン類)、ポリ(ピリミジン類)、ポリイミダゾール類、ポリベンゾチアゾール類、ポリベンゾオキサゾール類、ポリオキサジアゾール類、ポリキノリン類、ポリキノキサリン類、ポリチアジアゾール類、ポリ(テトラザピレン類)、ポリオキサゾール類およびポリチアゾール類からなる群より選ばれる塩基性ポリマーおよびリン酸または硫酸からなる強酸を加えて混合液を形成する工程と、
前記混合液中の溶媒を除去して前記塩基性ポリマーおよび前記強酸を含む固形物を形成する工程と、
前記固形物を粉砕して前記塩基性ポリマーおよび前記強酸を含む粉体を形成する工程と、
前記粉体とフッ素系樹脂を混合して混合物を形成する工程と、
前記混合物を圧延してシート状にする工程と、
シート状の前記混合物を加熱して乾燥させる工程と、
を備えることを特徴とする燃料電池用電解質の製造方法。 - 前記塩基性ポリマーが、ポリビニルピリジン類およびポリビニルイミダゾール類からなる群より選ばれることを特徴とする請求項9に記載の燃料電池用電解質の製造方法。
Priority Applications (4)
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JP2004213077A JP4290616B2 (ja) | 2004-07-21 | 2004-07-21 | 燃料電池用電解質、膜電極接合体、燃料電池スタック、燃料電池システムおよび燃料電池用電解質の製造方法 |
KR1020050041652A KR100697813B1 (ko) | 2004-07-21 | 2005-05-18 | 연료전지용 전해질, 이를 이용한 막전극 접합체, 연료전지 스택, 연료전지 및 상기 연료전지용 전해질의 제조 방법 |
US11/183,168 US8206873B2 (en) | 2004-07-21 | 2005-07-18 | Electrolyte for fuel cell, membrane electrode assembly, fuel cell stack and fuel cell system |
CNB2005100847979A CN100509956C (zh) | 2004-07-21 | 2005-07-21 | 燃料电池用电解质、膜电极组件、燃料电池组、燃料电池***和燃料电池用电解质的制法 |
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JP2004213077A JP4290616B2 (ja) | 2004-07-21 | 2004-07-21 | 燃料電池用電解質、膜電極接合体、燃料電池スタック、燃料電池システムおよび燃料電池用電解質の製造方法 |
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JP2006032276A JP2006032276A (ja) | 2006-02-02 |
JP2006032276A5 JP2006032276A5 (ja) | 2007-02-08 |
JP4290616B2 true JP4290616B2 (ja) | 2009-07-08 |
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US (1) | US8206873B2 (ja) |
JP (1) | JP4290616B2 (ja) |
KR (1) | KR100697813B1 (ja) |
CN (1) | CN100509956C (ja) |
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TW573053B (en) * | 2001-09-10 | 2004-01-21 | Anelva Corp | Surface processing apparatus |
KR100786480B1 (ko) * | 2006-11-30 | 2007-12-17 | 삼성에스디아이 주식회사 | 모듈형 연료전지 시스템 |
KR100811982B1 (ko) * | 2007-01-17 | 2008-03-10 | 삼성에스디아이 주식회사 | 연료 전지 시스템 및 그 제어 방법 |
KR100805527B1 (ko) * | 2007-02-15 | 2008-02-20 | 삼성에스디아이 주식회사 | 소형 이동전원용 연료 전지 및 이 연료전지에 사용되는막-전극 어셈블리 |
KR100805529B1 (ko) * | 2007-02-21 | 2008-02-20 | 삼성에스디아이 주식회사 | 연료전지 스택 및 연료전지 시스템 |
KR100844785B1 (ko) * | 2007-03-29 | 2008-07-07 | 삼성에스디아이 주식회사 | 펌프 구동 모듈 및 이를 구비한 연료전지 시스템 |
KR100925913B1 (ko) | 2007-08-28 | 2009-11-09 | 현대자동차주식회사 | 음이온 고정화 물질이 코팅된 무가습 고분자 전해질 막 및 이를 포함하는 연료전지 |
KR100911964B1 (ko) * | 2007-10-17 | 2009-08-13 | 삼성에스디아이 주식회사 | 공기호흡 방식의 고분자 전해질막 연료전지 및 그 운전제어방법 |
US20100227250A1 (en) * | 2009-03-03 | 2010-09-09 | Clearedge Power, Inc. | Rigidity & Inplane Electrolyte Mobility Enhancement for Fuel Cell Eletrolyte Membranes |
US10629938B2 (en) * | 2017-02-17 | 2020-04-21 | GM Global Technology Operations LLC | Fuel cell end plate unit and stack |
JP7247208B2 (ja) * | 2018-02-28 | 2023-03-28 | ジェイテック・エナジー・インコーポレーテッド | 酸ドープ膜の結合方法 |
KR102581912B1 (ko) * | 2021-09-02 | 2023-09-22 | 재단법인대구경북과학기술원 | Pem 연료전지 |
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JPS58100369A (ja) * | 1981-12-08 | 1983-06-15 | Toshiba Corp | 燃料電池用電解質マトリツクス |
US5525436A (en) * | 1994-11-01 | 1996-06-11 | Case Western Reserve University | Proton conducting polymers used as membranes |
DE19548421B4 (de) * | 1995-12-22 | 2004-06-03 | Celanese Ventures Gmbh | Verfahren zur kontinuierlichen Herstellung von Membranelektrodeneinheiten |
WO1999010463A1 (de) * | 1997-08-25 | 1999-03-04 | Cognis Deutschland Gmbh | Wässrige handgeschirrspülmittel |
US6946211B1 (en) * | 1999-09-09 | 2005-09-20 | Danish Power Systems Aps | Polymer electrolyte membrane fuel cells |
KR100652610B1 (ko) * | 2000-12-29 | 2006-12-01 | 주식회사 엘지이아이 | 연료전지의 연료량 조절 장치 |
DE10117686A1 (de) * | 2001-04-09 | 2002-10-24 | Celanese Ventures Gmbh | Protonenleitende Membran und deren Verwendung |
KR100437267B1 (ko) * | 2001-10-17 | 2004-06-23 | 학교법인 서강대학교 | 연료전지용 고분자 전해질 막 및 이의 제조방법 |
US6987163B2 (en) * | 2002-08-07 | 2006-01-17 | Research Foundation Of The State University Of New York | Modified polybenzimidazole (PBI) membranes for enhanced polymer electrochemical cells |
DE10246461A1 (de) * | 2002-10-04 | 2004-04-15 | Celanese Ventures Gmbh | Protonenleitende Polymermembran enthaltend Polyazolblends und deren Anwendung in Brennstoffzellen |
JP4790225B2 (ja) | 2004-01-23 | 2011-10-12 | 三星エスディアイ株式会社 | ゲル電解質および燃料電池用電極および燃料電池並びにゲル電解質の製造方法 |
KR20050083043A (ko) * | 2005-07-25 | 2005-08-24 | 주식회사 유니바이오 | 가축용 사료첨가제 조성물 및 제조방법 |
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- 2005-07-18 US US11/183,168 patent/US8206873B2/en not_active Expired - Fee Related
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US20060286425A1 (en) | 2006-12-21 |
JP2006032276A (ja) | 2006-02-02 |
US8206873B2 (en) | 2012-06-26 |
KR20060048002A (ko) | 2006-05-18 |
CN100509956C (zh) | 2009-07-08 |
KR100697813B1 (ko) | 2007-03-20 |
CN1765992A (zh) | 2006-05-03 |
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