JP5347293B2 - 高分子電解質、膜電極接合体、燃料電池及び高分子電解質の製造方法 - Google Patents
高分子電解質、膜電極接合体、燃料電池及び高分子電解質の製造方法 Download PDFInfo
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- JP5347293B2 JP5347293B2 JP2008076431A JP2008076431A JP5347293B2 JP 5347293 B2 JP5347293 B2 JP 5347293B2 JP 2008076431 A JP2008076431 A JP 2008076431A JP 2008076431 A JP2008076431 A JP 2008076431A JP 5347293 B2 JP5347293 B2 JP 5347293B2
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/20—Manufacture of shaped structures of ion-exchange resins
- C08J5/22—Films, membranes or diaphragms
- C08J5/2206—Films, membranes or diaphragms based on organic and/or inorganic macromolecular compounds
- C08J5/2218—Synthetic macromolecular compounds
- C08J5/2256—Synthetic macromolecular compounds based on macromolecular compounds obtained by reactions other than those involving carbon-to-carbon bonds, e.g. obtained by polycondensation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/20—Manufacture of shaped structures of ion-exchange resins
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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
- H01M8/102—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
- 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
- H01M8/102—Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer
- H01M8/1025—Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer having only carbon and oxygen, e.g. polyethers, sulfonated polyetheretherketones [S-PEEK], sulfonated polysaccharides, sulfonated celluloses or sulfonated polyesters
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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
- H01M8/1067—Polymeric electrolyte materials characterised by their physical properties, e.g. porosity, ionic conductivity or thickness
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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
- H01M8/1069—Polymeric electrolyte materials characterised by the manufacturing processes
- H01M8/1072—Polymeric electrolyte materials characterised by the manufacturing processes by chemical reactions, e.g. insitu polymerisation or insitu crosslinking
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2381/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen, or carbon only; Polysulfones; Derivatives of such polymers
- C08J2381/02—Polythioethers; Polythioether-ethers
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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
- 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
-
- 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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- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Fuel Cell (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Conductive Materials (AREA)
Description
プロトン伝導性樹脂をN,N−ジメチルホルムアミドに溶解させ、0.1Mの水酸化ナトリウム水溶液で滴定し、中和点からスルホン基のモル数を算出した。
乾燥させた試料を、フェントン溶液(3%過酸化水素水溶液、4ppmFe2+、60℃)に3時間浸漬させる。試料を取り出し、塩酸水溶液、水で洗浄して乾燥後、試料の重量を測定する。フェントン溶液に浸漬させる前後の重量変化より耐久性の評価を行った。
重量変化(%)={(試験前の試料重量)−(試験後の試料重量)}/(試験前の試料重量)
ラジカルクエンチ材料を添加しないこと以外は、実施例1と同様な方法でプロトン伝導性高分子電解質1を得た。得られた高分子電解質1を用いてフェントン試験を行ったが、試験後の高分子電解質1が脆く、回収が出来なかった。
ラジカルクエンチ材料としてチバ・スペシャルティ・ケミカルズ社製、商品名「IRGANOX1330」で表示されるフェノール系酸化防止剤を用いた以外は、実施例1と同様な方法でプロトン伝導性高分子電解質1を得た。
2 空気極側電極触媒層
3 燃料極側電極触媒層
4 空気極側ガス拡散層
5 燃料極側ガス拡散層
6 空気極
7 燃料極
8 ガス流路
9 冷却水流路
10 セパレータ
11 単セル
12 膜電極結合体
Claims (12)
- プロトン酸基を含むプロトン伝導性高分子とラジカル捕捉機能を有するラジカルクエンチ材料とを前記プロトン酸基以外の部分を介して化学結合させて得られ、前記プロトン伝導性高分子がスルホン化されたポリエーテルエーテルケトンであり、前記ラジカルクエンチ材料が2、6−ジ−tert−ブチル−4−ヒドロキシメチルフェノールであることを特徴とする高分子電解質。
- 前記プロトン伝導性高分子の水素イオン交換容量が、0.5meq/g以上10meq/g以下であることを特徴とする請求項1に記載の高分子電解質。
- 前記プロトン伝導性高分子と前記ラジカルクエンチ材料とが、加熱することにより化学結合をすることを特徴とする請求項1又は請求項2に記載の高分子電解質。
- 前記加熱するときの温度が60℃以上250℃以下であることを特徴とする請求項3に記載の高分子電解質。
- 下記化学式からなる高分子電解質。
- 請求項1乃至請求項5のいずれか1項に記載の高分子電解質を用いたことを特徴とする膜電極接合体。
- 請求項1乃至請求項5のいずれか1項に記載の高分子電解質を用いたことを特徴とする燃料電池。
- プロトン酸基を含むプロトン伝導性高分子を準備し、
前記プロトン酸基以外の部分を介して、前記プロトン伝導性高分子とラジカル捕捉機能を有するラジカルクエンチ材料とを化学結合させ、前記プロトン伝導性高分子がスルホン化されたポリエーテルエーテルケトンであり、前記ラジカルクエンチ材料が2、6−ジ−tert−ブチル−4−ヒドロキシメチルフェノールであることを特徴とする高分子電解質の製造方法。 - 前記プロトン伝導性高分子の水素イオン交換容量が、0.5meq/g以上10meq/g以下であることを特徴とする請求項8に記載の高分子電解質の製造方法。
- 前記プロトン伝導性高分子が下記化学式を含むことを特徴とする請求項8又は請求項9に記載の高分子電解質の製造方法。
- 前記プロトン伝導性高分子と前記ラジカルクエンチ材料とが、加熱することにより化学結合をすることを特徴とする請求項8乃至請求項10のいずれか1項に記載の高分子電解質の製造方法。
- 前記加熱するときの温度が60℃以上250℃以下であることを特徴とする請求項11に記載の高分子電解質の製造方法。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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JP2008076431A JP5347293B2 (ja) | 2008-03-24 | 2008-03-24 | 高分子電解質、膜電極接合体、燃料電池及び高分子電解質の製造方法 |
US12/408,640 US8110317B2 (en) | 2008-03-24 | 2009-03-20 | Polyelectrolyte, membrane electrode assembly, fuel cell, and method for producing polyelectrolyte |
Applications Claiming Priority (1)
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JP2008076431A JP5347293B2 (ja) | 2008-03-24 | 2008-03-24 | 高分子電解質、膜電極接合体、燃料電池及び高分子電解質の製造方法 |
Publications (2)
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JP2009231116A JP2009231116A (ja) | 2009-10-08 |
JP5347293B2 true JP5347293B2 (ja) | 2013-11-20 |
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JP2008076431A Expired - Fee Related JP5347293B2 (ja) | 2008-03-24 | 2008-03-24 | 高分子電解質、膜電極接合体、燃料電池及び高分子電解質の製造方法 |
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US (1) | US8110317B2 (ja) |
JP (1) | JP5347293B2 (ja) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2000223135A (ja) * | 1999-01-27 | 2000-08-11 | Aisin Seiki Co Ltd | 固体高分子電解質膜および燃料電池 |
FR2876222A1 (fr) * | 2004-10-06 | 2006-04-07 | Renault Sas | Pile a combustible a membrane non-fluoree ou partiellement fluoree et procede de preparation de ladite membrane |
JP2006269357A (ja) | 2005-03-25 | 2006-10-05 | Aisin Seiki Co Ltd | 電解質材料、電解質溶液、触媒ペースト及び燃料電池 |
WO2006132207A1 (ja) * | 2005-06-09 | 2006-12-14 | Toyo Boseki Kabushiki Kaisha | スルホン酸基含有ポリマーおよびその製造方法、該スルホン酸基含有ポリマーを含有する樹脂組成物、高分子電解質膜、高分子電解質膜/電極接合体、燃料電池 |
JP2007066882A (ja) | 2005-08-02 | 2007-03-15 | Toyobo Co Ltd | 高分子電解質膜/電極接合体及び燃料電池 |
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- 2008-03-24 JP JP2008076431A patent/JP5347293B2/ja not_active Expired - Fee Related
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- 2009-03-20 US US12/408,640 patent/US8110317B2/en not_active Expired - Fee Related
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US20090239124A1 (en) | 2009-09-24 |
US8110317B2 (en) | 2012-02-07 |
JP2009231116A (ja) | 2009-10-08 |
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