WO2003005473A2 - Polymer-elektrolyt-membran für brennstoffzellen - Google Patents
Polymer-elektrolyt-membran für brennstoffzellen Download PDFInfo
- Publication number
- WO2003005473A2 WO2003005473A2 PCT/EP2002/007300 EP0207300W WO03005473A2 WO 2003005473 A2 WO2003005473 A2 WO 2003005473A2 EP 0207300 W EP0207300 W EP 0207300W WO 03005473 A2 WO03005473 A2 WO 03005473A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- polymer electrolyte
- composition
- weight
- polymer
- composition according
- Prior art date
Links
Classifications
-
- 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
- H01M8/1004—Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/8605—Porous electrodes
- H01M4/8626—Porous electrodes characterised by the form
- H01M4/8631—Bipolar electrodes
-
- 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
-
- 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
- H01M8/1027—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]
-
- 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
- H01M8/103—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]
-
- 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
- H01M8/1039—Polymeric electrolyte materials halogenated, e.g. sulfonated polyvinylidene fluorides
-
- 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
-
- 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
- H01M8/1051—Non-ion-conducting additives, e.g. stabilisers, SiO2 or ZrO2
-
- 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
Definitions
- the present invention relates to a polymer composition with a non-functionalized polymer and inorganic, organic or polymeric solids which are capable of accepting and releasing protons, and the use of this composition as polymer electrolyte membranes and in fuel cells or in other electrochemical systems.
- the present invention is in the technical field of fuel cells.
- Fuel cell technology is considered to be one of the core technologies of the 21st century, with regard to stationary applications such as power plants, combined heat and power plants, mobile applications, such as in cars, trucks, buses, etc., in portable applications such as cell phones and laptops, and in so-called auxiliary power units (APU), such as the power supply in motor vehicles.
- APU auxiliary power units
- the reason for this is that the efficiency in the use or energy conversion based on the respective fuel in the fuel cell is higher than in conventional internal combustion engines.
- the fuel cell has significantly fewer harmful emissions.
- the basic reaction of the polymer electrolyte membrane (PEM) fuel cell consists in the anodic conversion of the fuel H 2 (hydrogen) to protons, which then migrate through the proton-conducting membrane from the anode to the cathode and come into contact with oxygen anions in the cathode space, where water is produced as a reaction product, as well as additional electricity and heat.
- PEM polymer electrolyte membrane
- perfluorinated and sulfonated polymers such as Naf ⁇ on® or Flemion® are primarily used in industrially manufactured low-temperature fuel cells (up to 100 ° C.) as materials for the polymer electrolyte membrane (PEM).
- PEM polymer electrolyte membrane
- Other polymer systems such as, for example, polyether ether ketones, polyimides and polystyrenes, are also functionalized in order to achieve sufficient proton conductivity, ie provided with functional groups which can accept and release protons, such as SO 3 H or -CO H.
- the object of the present invention was to provide a polymer electrolyte composition, or membranes and composite bodies containing it, which are suitable for fuel cells and which are easier and / or less expensive to produce than the previously used polymer systems.
- the present invention thus relates to a polymer electrolyte composition
- a polymer electrolyte composition comprising 20 to 99% by weight, based on the composition, of at least one non-functionalized polymer as a matrix and 80 to 1% by weight, based on the composition, of at least one inorganic or organic low molecular weight or at least one inorganic or organic polymeric solid which is in each case able to take up and release protons or a mixture thereof.
- non-functionalized means that the polymer used in the context of the present invention is neither perfluorinated and sulfonated (ionomeric) polymers, such as Nafion® or Flemion®, nor is it necessary to obtain adequate proton conductivity with suitable groups, such as, for example, -SO 3 H or - CO H, functionalized polymers as used in the prior art, for the reason that in the polymer electrolyte composition according to the present invention the proton conductivity from the presence of the organic and / or inorganic low molecular weight and / or organic and / or organic polymeric solids, each of which is able to take up and release protons.
- suitable groups such as, for example, -SO 3 H or - CO H
- low molecular weight used according to the invention means that these are solids whose molecular weight does not exceed 500.
- non-functionalized polymers which can be used in the context of the present invention, as long as these polymers are stable with regard to the conditions prevailing in a fuel cell. Accordingly, preference is given to using polymers which are thermally stable up to 100.degree. C., more preferably up to 200.degree. C. or at higher temperatures and which have the highest possible chemical stability.
- the following polymers are preferably used:
- backbone Polymers with an aromatic backbone (“backbone”), such as, for example, polyimides, polysulfones, polybenzimidazoles; polymers with a fluorinated backbone (“backbone”), such as, for example, Teflon, PVDF; olefinic, preferably fluorinated, polymers or copolymers; thermoplastic polymers or copolymers, such as polycarbonates, polyurethanes, as described, for example, in WO 98/44576; cross-linked polyvinyl alcohols; Vinyl polymer; The following are particularly worth mentioning as vinyl polymers:
- Such polymers are described, for example, in US Pat. No. 5,540,741 and US Pat. No. 5,478,668, the disclosure content of which in this regard is included in full in the context of the present application.
- copolymers of vinylidene fluoride (1,1-difluoroethene) and hexafluoropropene are preferred among these, more preferably statistical copolymers of vinylidene chloride and hexafluoropropene, the proportion by weight of vinylidene fluoride being 75 to 92% and that of hexafluoropropene being 8 to 25%.
- Phenol-formaldehyde resins polytrifluorostyrene, poly-2,6-diphenyl-1,4-phenylene oxide, polyaryl ether sulfones, polyarylene ether sulfones, polyaryl ether ketones, phosphonated poly-2,6-dimethyl-1,4-phenylene oxide.
- Polycarbonates e.g. Polyethylene carbonate, polypropylene carbonate, polybutadiene carbonate, polyvinylidene carbonate.
- olefinic hydrocarbons e.g. Ethylene, propylene, butylene, isobutene, propene, hexene or higher homologues, butadiene, cyclopentene, cyclohexene, norbornene, vinylcyclohexane;
- acrylic acid or methacrylic acid esters such as methyl, ethyl, propyl, isopropyl, butyl, isobutyl, hexyl, octyl, decyl, dodecyl, 2-ethylhexyl, cyclohexyl, benzyl, trifluoromethyl, Hexafluoropropyl, tetrafluoropropyl acrylate or methacrylate; c) vinyl ethers, such as methyl, ethyl, propyl, isopropyl, butyl, isobutyl, hexyl, octyl, decyl, dodecyl, 2-ethylhexyl, cyclohexyl, benzyl, trifluoromethyl, hexafluoropropyl -, tetrafluoropropyl vinyl ether.
- acrylic acid or methacrylic acid esters
- organic diisocyanates with 6 to 30 carbon atoms e.g. aliphatic noncyclic diisocyanates, e.g. 1,5-hexamethylene diisocyanate and 1,6-hexamethylene diisocyanate, aliphatic cyclic diisocyanates such as e.g. 1,4-
- Cyclohexylene diisocyanate, dicyclohexylmethane diisocyanate and isophorone diisocyanate or aromatic diisocyanates such as e.g. Toluene-2,4-diisocyanate, toluene-2,6-diisocyanate, m-tetramethylxylene diisocyanate, p-tetramethylxylene diisocyanate, 1,5-tetrahydronaphthylene diisocyanate and 4,4'-diphenylene methane diisocyanate or mixtures of such compounds, with b) polyhydric alcohols , such as Polyesterols, polyetherols and diols,
- the polymers in particular the abovementioned polymers, can be used in crosslinked or non-crosslinked form.
- the solids should be stable at 80 ° C or more, preferably 150 ° C or more, and especially at temperatures of 200 ° C or more.
- Layered silicates e.g. Bentonite, montmorillonite, serpentine, kalinite, talc, pyrphyllite and mica, reference being made to Hollemann-Wiberg, Textbook of Inorganic Chemistry 91st - 100th edition (1985), p. 771 ff. For further details.
- Aluminosilicates e.g. Zeolites.
- Insoluble organic carboxylic acids e.g. those with 5 to 30, preferably with 8 to 22, particularly preferably with 12 to 18 carbon atoms, with linear or branched-chain alkyl radical, which if necessary. have one or more further functional groups; hydroxyl groups, C-C double bonds or carbonyl groups are to be mentioned in particular as functional groups.
- carboxylic acids may be mentioned: valeric acid, isovaleric acid, 2-methylbutyric acid, pivalic acid, caproic acid, oenanthic acid, caprylic acid, pelergic acid, capric acid, undecanoic acid, lauric acid, tridecanoic acid, myristic acid, pentadecanoic acid, palmitic acid, margaric acid, stecanoic acid, stearic acid, stearic acid, stearic acid , Lignoceric acid, cerotic acid, melissic acid, tubercolostearic acid, palmitoleic acid, oleic acid, erucic acid, sorbic acid, linoleic acid, linolenic acid, elaeostearic acid, arachidonic acid, culpanodonic acid and docosahexaenoic acid. According to the invention, mixtures of two or more carboxylic acids can also be used.
- Polyphosphoric acids e.g. in Hollemann-Wiberg, op. cit., pp. 659 ff.
- Layered silicates are preferably used, which can also be used in delaminated form.
- Zeolites are known to be crystalline aluminosilicates with ordered channel and cage structures that have micropores.
- micropores as used in the context of the present invention used corresponds to the definition in "Pure Appl. Chem. "45, pp. 71 ff, in particular p. 79 (1976), and refers to pores with a pore diameter of less than 2 nm.
- the network of such zeolites is composed of SiO and AlO tetrahedra which are connected via common oxygen bridges.
- Solids are particularly suitable which have a primary particle size of 1 nm to 20 ⁇ m, preferably 1 nm to 1 ⁇ m and in particular of 10 nm to 500 nm, the specified particle sizes being determined by electron microscopy.
- Solids are preferred which have a size ratio of height: width: length (aspect ratio) of not equal to 1 and e.g. present as needles, asymmetrical tetrahedra, asymmetrical bipyramids, asymmetrical hexahedron or octahedron, platelets, disks or as fibrous structures. If the solids are in the form of asymmetrical particles, the upper limit for the primary particle size given above relates to the smallest axis in each case.
- the composition contains 1 to 80% by weight, preferably 1 to 40% by weight and in particular 2 to 30% by weight of solids and 20 to 99% by weight, preferably 60 to 99% by weight and in particular 70 to 98 wt .-% polymer, each based on the total composition.
- the polymers advantageously have an average molecular weight (number average) of 5,000 to 100,000,000, preferably 50,000 to 8,000,000. They are polymerized in a conventional manner well known to those skilled in the art.
- the solid and the polymer if necessary. mixed together with a plasticizer, preferably a plasticizer as described in more detail below, and if necessary. networked.
- the composition according to the invention can additionally contain a plasticizer, typically in an amount of up to 10% by weight, preferably 2 to 8% by weight, in each case based on the overall composition.
- suitable plasticizers are described in WO99 / 19917 and WO99 / 18625.
- NMP, propylene carbonate, ethylene carbonate, MEEK, aromatic solvents, tris (2-ethylhexyl) phosphate and protic systems such as acids, alcohols and glycols are preferably used.
- the starting materials used for the particular composition can be dissolved or dispersed in an inorganic, preferably an organic, liquid diluent, the resulting solution preferably having a viscosity of 100 to 50,000 mPas, and then in a manner known per se, such as pouring, dipping, Spin coating, roller coating, spray coating, printing in high, low or flat printing or screen printing, or by extrusion if necessary.
- a carrier material i.e. to be deformed into a sheet-like structure. Further processing can be carried out as usual, e.g. by removing the diluent and curing the materials.
- volatile components such as solvents or plasticizers can be removed.
- crosslinking of the layers can be done in a manner known per se, for example by irradiation with UV or visible light, ionic or ionizing radiation, electron beam, preferably with an acceleration voltage between 20 and 2,000 kV and a radiation dose between 5 and 50 Mrad, in which case an initiator such as benzil dimethyl ketal or 1,3,5-trimethylbenzoyltriphenylphosphine oxide is advantageously added in amounts of in particular at most 1% by weight, based on the constituents to be crosslinked, in the starting materials and the crosslinking is carried out within generally 0.5 to 15 minutes can advantageously be carried out under an inert gas such as nitrogen or argon; by thermal radical polymerization, preferably at temperatures above 60 ° C., advantageously using an initiator such as azo-bis-isobutyronitrile in amounts of generally at most 5% by weight, preferably 0.05 to 1% by weight, based on the to add components to be crosslinked in the starting materials.
- an initiator such as
- the membranes produced according to the invention generally have a thickness of 5 to 500 ⁇ m, preferably 10 to 500 ⁇ m, more preferably 10 to 200 ⁇ m.
- the present invention further relates to a composite body comprising at least one first layer which contains a composition according to the invention, and to such a composite body which further comprises an electrically conductive catalyst layer. Furthermore, the composite body according to the invention can comprise one or more bipolar electrodes. The present invention further relates to a composite body having the structure
- n is preferably 1 to 100, more preferably 10 to 50.
- the composite bodies according to the invention can have one or more gas distribution layers, e.g. a carbon fleece, between the bipolar electrode and the electrically conductive catalyst layer.
- gas distribution layers e.g. a carbon fleece
- the present invention relates to the use of at least one composition according to the invention or a composite body according to the invention as a polymer electrolyte membrane in fuel cells and other electrochemical systems, and to an electrochemical system, preferably a fuel cell, comprising such a composition or such a composite body.
- an electrochemical system preferably a fuel cell, comprising such a composition or such a composite body.
- the typical structure of a fuel cell is assumed to be known and in this respect reference is made to the prior art cited in the introductory part of the present application.
- the polymer used does not have to be prepared in a multi-stage synthesis in order to achieve sufficient proton conductivity; this does the
- the mechanical, thermal and chemical properties of the polymer electrolyte composition can be varied almost arbitrarily by varying the components present as solids, ie the polymer and the solid; the solid used increases the barrier effect of the membrane against gases such as oxygen (O 2 ) and hydrogen (H); the solid used increases the barrier effect against liquids such as methanol and is therefore also suitable for the direct methanol fuel cell; -
- the membranes produced with the polymer electrolyte composition according to the invention show the typical, advantageous properties of a polymer film, ie they are thin, flexible and laminatable, among other things.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Engineering & Computer Science (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Composite Materials (AREA)
- Fuel Cell (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Conductive Materials (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/482,226 US20040197663A1 (en) | 2001-07-02 | 2002-07-02 | Polymer electrolyte membrane for fuel cells |
JP2003511331A JP2005520280A (ja) | 2001-07-02 | 2002-07-02 | 燃料電池用ポリマー電解質膜 |
AU2002354824A AU2002354824A1 (en) | 2001-07-02 | 2002-07-02 | Polymer electrolyte membrane for fuel cells |
CA002452350A CA2452350A1 (en) | 2001-07-02 | 2002-07-02 | Polymer electrolyte membrane for fuel cells |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10131919.3 | 2001-07-02 | ||
DE10131919A DE10131919A1 (de) | 2001-07-02 | 2001-07-02 | Polymer-Elektrolyt-Membran für Brennstoffzellen |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2003005473A2 true WO2003005473A2 (de) | 2003-01-16 |
WO2003005473A3 WO2003005473A3 (de) | 2004-10-28 |
Family
ID=7690269
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2002/007300 WO2003005473A2 (de) | 2001-07-02 | 2002-07-02 | Polymer-elektrolyt-membran für brennstoffzellen |
Country Status (6)
Country | Link |
---|---|
US (1) | US20040197663A1 (de) |
JP (1) | JP2005520280A (de) |
AU (1) | AU2002354824A1 (de) |
CA (1) | CA2452350A1 (de) |
DE (1) | DE10131919A1 (de) |
WO (1) | WO2003005473A2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006513544A (ja) * | 2003-01-20 | 2006-04-20 | ザトーリウス アクチエン ゲゼルシャフト | 膜電極ユニット、膜電極ユニット用高分子膜、固体高分子形燃料電池、およびこれらの製造方法 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2883292B1 (fr) * | 2005-03-16 | 2008-01-04 | Inst Nat Polytech Grenoble | Extrusion de polymeres ioniques a groupements ioniques acides |
JP2007188741A (ja) * | 2006-01-13 | 2007-07-26 | Honda Motor Co Ltd | 固体高分子型燃料電池用膜−電極構造体及びその製造方法 |
US20070259236A1 (en) * | 2006-05-03 | 2007-11-08 | Lang Christopher M | Anionic fuel cells, hybrid fuel cells, and methods of fabrication thereof |
DE102009028308A1 (de) * | 2009-08-06 | 2011-02-10 | Volkswagen Ag | Membran-Elektroden-Einheit sowie eine solche umfassende Brennstoffzelle |
CN104177738B (zh) * | 2013-05-24 | 2016-08-17 | 苏州宝时得电动工具有限公司 | 聚合物膜及其制备方法,具有聚合物膜的电解质以及电池 |
WO2017161160A1 (en) | 2016-03-16 | 2017-09-21 | University Of Utah Research Foundation | Composite solid electrolytes for lithium batteries |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0731519A2 (de) * | 1995-03-07 | 1996-09-11 | Matsushita Electric Industrial Co., Ltd. | Protonischer Leiter und seine Verwendung in eine elektrochemische Vorrichtung |
US6059943A (en) * | 1997-07-30 | 2000-05-09 | Lynntech, Inc. | Composite membrane suitable for use in electrochemical devices |
EP1085038A1 (de) * | 1999-09-17 | 2001-03-21 | The Secretary of Agency of Industrial Science and Technology | Proton-leitende Membran, Verfahren zur Herstellung derselben, und diese verwendende Brennstoffzelle |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5540741A (en) * | 1993-03-05 | 1996-07-30 | Bell Communications Research, Inc. | Lithium secondary battery extraction method |
US5478668A (en) * | 1993-11-30 | 1995-12-26 | Bell Communications Research Inc. | Rechargeable lithium battery construction |
KR100456647B1 (ko) * | 1999-08-05 | 2004-11-10 | 에스케이씨 주식회사 | 리튬 이온 폴리머 전지 |
-
2001
- 2001-07-02 DE DE10131919A patent/DE10131919A1/de not_active Withdrawn
-
2002
- 2002-07-02 JP JP2003511331A patent/JP2005520280A/ja not_active Withdrawn
- 2002-07-02 CA CA002452350A patent/CA2452350A1/en not_active Abandoned
- 2002-07-02 WO PCT/EP2002/007300 patent/WO2003005473A2/de not_active Application Discontinuation
- 2002-07-02 AU AU2002354824A patent/AU2002354824A1/en not_active Abandoned
- 2002-07-02 US US10/482,226 patent/US20040197663A1/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0731519A2 (de) * | 1995-03-07 | 1996-09-11 | Matsushita Electric Industrial Co., Ltd. | Protonischer Leiter und seine Verwendung in eine elektrochemische Vorrichtung |
US6059943A (en) * | 1997-07-30 | 2000-05-09 | Lynntech, Inc. | Composite membrane suitable for use in electrochemical devices |
EP1085038A1 (de) * | 1999-09-17 | 2001-03-21 | The Secretary of Agency of Industrial Science and Technology | Proton-leitende Membran, Verfahren zur Herstellung derselben, und diese verwendende Brennstoffzelle |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006513544A (ja) * | 2003-01-20 | 2006-04-20 | ザトーリウス アクチエン ゲゼルシャフト | 膜電極ユニット、膜電極ユニット用高分子膜、固体高分子形燃料電池、およびこれらの製造方法 |
JP4920889B2 (ja) * | 2003-01-20 | 2012-04-18 | エルコマックス メンブランス ゲーエムベーハー | 膜電極接合体、高分子膜、固体高分子形燃料電池、膜電極接合体の製造方法および固体高分子形燃料電池の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
CA2452350A1 (en) | 2003-01-16 |
US20040197663A1 (en) | 2004-10-07 |
WO2003005473A3 (de) | 2004-10-28 |
JP2005520280A (ja) | 2005-07-07 |
DE10131919A1 (de) | 2003-01-30 |
AU2002354824A1 (en) | 2003-01-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0667983B1 (de) | Elektrochemische zelle mit einem polymerelektrolyten und herstellungsverfahren für diesen polymerelektrolyten | |
EP1337319B1 (de) | Neue membranen für den einsatz in brennstoffzellen mit einer verbesserten mechanik | |
EP1599530A1 (de) | Verfahren zur herstellung eines zum protonenaustausch befähigten polymersystems auf der basis von polyaryletherketonen | |
DE112009002507B4 (de) | Verstärkte brennstoffzellen-elektrolytmembran, membran-elektroden-anordnung und polymerelektrolytbrennstoffzelle, diese enthaltend und herstellungsverfahren dazu | |
DE10296922T5 (de) | Elektrodenstruktur für Polymerelektrolytbrennstoffzellen, Verfahren zum Herstellen derselben und Polymerelektrolytbrennstoffzelle | |
DE102010003835A1 (de) | Polysufon-basiertes Polymer, Polymer-Elektrolyt-Membran, die das Polymer aufweist, Membran-Elektroden-Anordnung, die die Membran aufweist, Brennstoffzelle, die die Membran aufweist, sowie Verfahren zum Herstellen des Polymers | |
DE102008009114A1 (de) | Fluorbehandlung von Polyelektrolytmembranen | |
KR101758237B1 (ko) | 이온 교환막 및 그 제조방법 | |
WO2003005473A2 (de) | Polymer-elektrolyt-membran für brennstoffzellen | |
DE602004009603T2 (de) | Monomerverbindung, graft-copolymerverbindung, verfahren zu deren herstellung, polymerelektrolytmembran und kraftstoffzelle | |
EP1430560A2 (de) | Polymere brennstoffzellen-membran und verfahren zu ihrer herstellung | |
DE102009035961A1 (de) | Geschichtete Elektrode für elektrochemische Zellen | |
WO2020052926A1 (de) | Verfahren zum herstellen einer gasdiffusionslage für eine brennstoffzelle | |
DE102013215135B4 (de) | PPS-Elektrodenverstärkungsmaterial/Rissminderer | |
DE102005023897A1 (de) | Verfahren zur Herstellung einer Polymerelektrolytmembran für eine Brennstoffzelle | |
DE102013205290B4 (de) | Kautschuk-Rissverringerungsmittel in Polyelektrolytmembranen | |
DE102007025207A1 (de) | Gasdiffusionselektrode und diese enthaltende Membran-Elektroden-Einheit für eine Brennstoffzelle | |
DE102006062251A1 (de) | Membran-Elektroden-Einheit für Brennstoffzellen und Brennstoffzelle | |
WO2007003568A1 (de) | Wässrige formulierungen enthaltend säuregruppen tragende polyaromatische verbindungen | |
EP1292634A1 (de) | Perfluorsulfonsäure-menbranen, verfahren zu ihrer herstellung und verwendung für brennstoffzellen | |
DE102011119901A1 (de) | Brennstoffzellenstapel mit einer undurchlässigen Beschichtung | |
EP2108021A1 (de) | Wässrige formulierungen enthaltend säuregruppen und/oder salze von säuregruppen tragende polyaromatische verbindungen, verfahren zu deren herstellung, weitere formulierungen hergestellt unter verwendung der wässrigen formulierungen und verwendung der weiteren formulierungen in brennstoffzellen | |
DE102013215133A1 (de) | Absorbieren eines Ionomers in Polyphenylensulfid (PPS) und sulfonierten PPS-Fasern | |
DE102009001137A1 (de) | Polymerelektrolytmembran für Brennstoffzellen und Verfahren zu ihrer Herstellung | |
WO2012080245A1 (de) | Membran-elektroden-anordnung mit zwei deckschichten |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A2 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ OM PH PL PT RO RU SD SE SG SI SK SL TJ TM TN TR TT TZ UA UG US UZ VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A2 Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LU MC NL PT SE SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2003511331 Country of ref document: JP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2452350 Country of ref document: CA |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2002782446 Country of ref document: EP |
|
REG | Reference to national code |
Ref country code: DE Ref legal event code: 8642 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 10482226 Country of ref document: US |
|
WWW | Wipo information: withdrawn in national office |
Ref document number: 2002782446 Country of ref document: EP |