WO2004038839A1 - 層状ケイ酸塩鉱物及びその層間化合物を固体電解質膜に用いた燃料電池 - Google Patents
層状ケイ酸塩鉱物及びその層間化合物を固体電解質膜に用いた燃料電池 Download PDFInfo
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- WO2004038839A1 WO2004038839A1 PCT/JP2003/013350 JP0313350W WO2004038839A1 WO 2004038839 A1 WO2004038839 A1 WO 2004038839A1 JP 0313350 W JP0313350 W JP 0313350W WO 2004038839 A1 WO2004038839 A1 WO 2004038839A1
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- Prior art keywords
- fuel cell
- membrane
- silicate mineral
- solid electrolyte
- fuel
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Classifications
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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
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/06—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances
- H01B1/12—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances organic substances
- H01B1/122—Ionic conductors
-
- 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
- H01M8/1009—Fuel cells with solid electrolytes with one of the reactants being liquid, solid or liquid-charged
-
- 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]
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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
- H01M8/1037—Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer having silicon, e.g. sulfonated crosslinked polydimethylsiloxanes
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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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- 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
- 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
-
- 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 solid cation exchange membrane and a membrane-electrode assembly for the purpose of manufacturing a solid electrolyte fuel cell that can directly use an organic fuel cell without using a reformer.
- Patent Literature 1 Tokiohei 10 0-5 0 7 5 7 2
- Patent Document 2 Special Table 2 0 0 0 0—5 1 6 0 1 4
- Non-Patent Document 1 "Technology of fuel cells” The Institute of Electrical Engineers of Japan ⁇ Technical Investigation Committee for Next Generation System for Fuel Cell, edited by Ohmsha, August 30, 2002, p55-98
- Non-Patent Document 2 "New Developments in Electrocatalysis Chemistry” Yoshio Takasu, Akiko Arata, Yoshio Hori, Hokkaido University Book Publishing Association, February 25, 2001, p207-230, Chapter 9, “New Developments in Electrocatalysis Science” Masayuki Morita
- Non-Patent Document 3 "Journal of America Chemical Society", Vol. 105, No. 3, 1983, p658-659, atayama-Aramata, A., and Ohnishi, R.
- Non-Patent Document 4 International Journal for Numerical Methods in Engineering J 2002, 54, pl717-1749
- Molecular dynamics and multiscale homogenization analysis of seepage / diffusion problem in bentonite clay ", Ichikawa, Y., Kawamura, K” Fujii , N., and Theramast, N.
- Non-Patent Document 5 "Clay Chemistry” Vol. 41, No. 2, 2001, P43-47 "Modeling of Microstructure of Compressed Bentonite and Application of MD-HA Bond Analysis Method to Diffusion Problem” Satoru Suzuki et al.
- Non-Patent Document 6 "Journal of Nuclear Science and Technology J 1992, 29, p8 73-882," Effect of dry density on diffusion of some radionuclides in compacted sodium bentonite "; Sato, ⁇ , Ashida, T. Kohara, Y ., Yui, ⁇ ⁇ , and Sasaki, N.
- PEFCs Polymer electrolyte fuel cells
- a solid polymer electrolyte fuel cell uses a solid polymer membrane as the electrolyte, and its features are as follows.
- Figure 1 shows the operating principle of a solid electrolyte fuel cell using a solid membrane as the electrolyte, including a polymer solid electrolyte fuel cell. Take methanol + water as an example of fuel. Electrodes in which a catalyst is dispersed are arranged on both sides of the solid electrolyte membrane to form a membrane electrode assembly (MEA).
- MEA membrane electrode assembly
- a single electrochemical cell is formed.
- Fig. 2 shows the structure (Non-Patent Document 1). A cell stack is formed by multiplexing the electrochemical cells, and a solid oxide fuel cell is manufactured.
- the polymer solid electrolyte fuel cell fuel supply system includes a reformed gas supply system that extracts hydrogen from fuel such as natural gas, liquefied petroleum gas, and methanol through a reformer and supplies it to the anode,
- a direct fuel supply system has been considered.
- the direct fuel supply system that uses methanol as fuel is called a direct methanol fuel cell (DMFC), and is considered to be the first to be put to practical use for powering automobiles and portable electronic devices.
- DMFC direct methanol fuel cell
- perfluorosulfonic acid-based polymers which are organic polymer materials, are used as electrolyte membranes in solid polymer electrolyte fuel cells.
- Nafion Duont trademark
- Flemion Flemion; Asahi Glass trademark
- Aciplex Aciplex
- Non-Patent Document 3 a material in which a noble metal catalyst (mainly platinum and its alloy) is dispersed in carbon paper of several tens of m thick is used.
- a composite membrane in which a catalyst is directly supported on a polymer solid electrolyte membrane is also produced, and the catalytic activity is maintained for a long time.
- Non-Patent Document 2 Since it is a 6-electron transfer process expressed as CH 3 OH + H 20 ⁇ C0 2 + 6H ++ 6e ⁇ , it is a complex reaction system with 6 elementary processes. In the course of the reaction, HCHO, HCOOH, CO and the like have been detected in addition to CO 2, but the details of the reaction mechanism have not been clarified yet (Non-Patent Document 2). The CO generated during this process is a poisoning species of the catalyst and rapidly reduces the catalytic activity. In addition, direct methanol batteries are considered to be energy efficient in principle because there is no heat loss due to the reformer, but at present the output density (cell voltage) is low due to the slow oxidation reaction rate at the anode. I have.
- the reaction temperature can be increased by increasing the operating temperature.However, when the temperature is increased, the polymer membrane is likely to deteriorate, and the phenomenon that methanol fuel crosses over from the anode side to the force source side becomes remarkable. The output does not rise. Improving the heat resistance of the polymer electrolyte membrane and improving the fuel crossover phenomenon are issues for the direct fuel supply type polymer solid electrolyte fuel cell.
- the power generation cost of a solid oxide fuel cell is largely determined by the price and life of the electrolyte membrane and electrode catalyst.
- the unit price of a polymer membrane is about 100,000 yen / m 2, and about 10 m 2 of membrane is required for 60kW output for automobiles. (See Non-Patent Document 1).
- Non-Patent Document 1 There is a strong demand for the development of high-performance and low-cost membrane materials. Disclosure of the invention
- the present invention provides an inorganic porous electrolyte membrane made from a layered silicate mineral having a nanopore (a mineral generally known as clay), Electrolyte membrane made from an intercalation compound whose performance has been improved by intercalating inorganic ions or organic ions between the layers of silicate minerals (hereinafter, both are collectively referred to as “layered silicate mineral membrane”) Is used.
- layered silicate mineral membrane Suitable candidates for the layered silicate minerals include montmorillonite, which belongs to the smectite group clay minerals, illite, which belongs to the illite group clay minerals, and sericite.
- Layered silicate minerals are inorganic materials that have proton conductivity under appropriate conditions.
- an improvement in the operating temperature of the fuel cell can be expected by properly selecting the layered silicate mineral species and preparing an environment such as moisture management. Also, the choice of catalysts will expand.
- the fuel crossover phenomenon can be prevented by strictly controlling the density and the composition of the impregnating liquid. In other words, by controlling the density and controlling the composition of the impregnating solution, it is possible to achieve the “molecular sieving effect” of ensuring good proton conductivity and preventing fuel crossover, and to meet the performance requirements that were difficult to solve with conventional polymer electrolyte membranes. Can be charged at the same time. This solves the fundamental difficulties (improved operating temperature and improved crossover phenomena) of a direct fuel supply polymer solid electrolyte fuel cell.
- Layered silicate minerals are widely distributed in nature and have low unit prices.
- compression molding is easy under density control and composition control of the impregnating liquid, and a composite membrane directly supporting a catalyst can be easily formed. .
- JP-T-Hei 10-507572 shows a method of impregnating montmorillonite, a kind of layered silicate mineral, into a polymer electrolyte membrane as a water-philic proton conductive additive.
- montmorillonite clay in the present invention is merely a conductive additive, and its use as an electrolyte membrane itself is not considered.
- the above-mentioned excellent performance can be achieved only by directly using the layered silicate mineral as the electrolyte membrane.
- Layered silicate minerals are inorganic porous materials with nanopores. Regarding the conduction properties of various ions in this clay, especially in the smectite-group clay, it has become possible to understand the physicochemical meaning of the phenomena by focusing on phenomena from the molecular level to the macro level.
- Non-patent document 5 Non-patent document 5
- protons are generally combined with one molecule of water in an aqueous solution to form an oxonium ion H 3 O +. Therefore, in this experiment, the diffusion of oxonium ion was examined.
- bentonite (montmorillonite 99 wt.% Or more) was compression-molded to prepare a test specimen (disc-shaped, 20 mm in diameter, lmm in thickness), and a permeation / diffusion test was performed to determine the methanol, ethanol, and oxonium ions.
- the effective diffusion coefficient De was determined.
- Montmorillonite is a plate-like crystal (layered body) with a thickness of about lnm and a side of about lOOnm, which is formed by stacking four to eight layers to form a multilayered body (stack). (See Figures 3-5).
- pure smectite in this case, montmorillonite
- bentonite there are interlayer gaps between the layered bodies forming the layered body, and interparticle gaps between the layered bodies and between the aggregates.
- the pore size of the compacted bentonite varies with the dry density. When the dry density is sufficiently high, the size of the interparticle gap becomes almost equal to the interlayer gap.
- the interlayer gap are each 0.9 nm and 0.6nm approximately, intergranular gap even this degree It is thought to be large.
- Non-Patent Document 4 it has been clarified by molecular-level analysis that water (aqueous solution) existing in the interlaminar space between layered materials exhibits unique properties affected by the charge on the surface of the mineral (layered body) (Non-Patent Document 4 ).
- each chemical species Is determined by the properties of the interlayer water and the size of the interlayer gap. Since the size of the water molecule is about 0.3 nm, and methanol and ethanol are larger than that, in compressed bentonite in which most of the voids are in the interlaminar space, oxonium ions permeate and methanol ethanol is formed. Can be expected.
- the permeation diffusion test was performed under the conditions of the above dryness (1.4 and 1.8 Mg / m 3 ) and lower dry density (1.0 Mg / m 3 ).
- Sodium chloride was added to the solution as a supporting electrolyte so that the concentration was 0.1 mol / dm 3 .
- Methanol and ethanol were added as diffusion sources at concentrations of 7.5 wt.% And 2.5 wt.%, Respectively.
- concentration of hydrochloric acid was added so that the 10 one 3 N as Okiso two Umuion diffusion source. Bentonite was saturated with 0.1 mol / dm 3 NaCl solution before the experiment.
- Figure 7 shows the results of obtaining the effective diffusion coefficient from the diffusion flux.
- the results of the diffusion coefficients of deuterium water (HD II) and tritium water (HTO) are also shown.
- the diffusion coefficient of oxonium ions is the largest, and decreases in the order of tritium water, methanol, and ethanol.
- the diffusion coefficient of oxodium ions was about twice that of methanol, and was one order of magnitude higher than that of ethanol.
- the diffusion coefficients of methanol and ethanol were smaller than that of tritiated water, which is a neutral molecule. In experiments with high dry density, no ethanol was detected, suggesting that a molecular sieving effect had occurred.
- Figure 1 shows the operating principle of the electrolyte fuel cell
- Figure 2 shows the structure of a single electrochemical cell
- Figure 3 shows the microstructure of pure smectite (montmorillonite) clay saturated with water
- Figure 4 shows the cross-section of the laminate.
- Transmission electron micrograph Fig. 5 is a scanning electron micrograph of the aggregate
- Fig. 6 is the quantification of methanol and ethanol
- Fig. 7 is the effective diffusion coefficient. It is a figure which shows the relationship of a dry density.
- the electrolyte can be manufactured, it is possible to create an electrochemical cell as shown in Fig. 1 based on existing technology, and then stack this to form a fuel cell system.
- ethanol is preferred as the fuel for the direct organic fuel supply type fuel cell using the layered silicate mineral film used in this experiment. Furthermore, by appropriately controlling the density of the layered silicate mineral or the layered silicate mineral intercalation compound and the impregnating liquid, it is possible to convert organic fuels such as methanol, natural gas (methane), liquefied petroleum gas (propane), and gasoline. On the other hand, it is possible to create a solid electrolyte membrane with an appropriate “molecular sieving effect”.
- a composite membrane in which a catalyst is directly supported on a solid electrolyte membrane using a layered silicate mineral or a layered silicate mineral intercalation compound can be easily produced.
- the layered silicate mineral or the layered silicate mineral intercalation compound is an inorganic material as described above,
- the catalyst can be selected from a wide range of options. Further, it is easy to manufacture a membrane-electrode assembly of a solid electrolyte membrane using a layered silicate mineral or a layered silicate mineral intercalation compound and an electrode provided with conductive particles having catalytic activity. .
- the layered silicate mineral film is an inorganic material, which does not deteriorate even if the operating temperature of the fuel cell is increased to increase the reaction rate, and prevents the crossover phenomenon in which fuel leaks from the anode side to the force source side. Conditions can be set. For this reason, it is possible to raise the operating temperature of the fuel cell as compared with the polymer electrolyte membrane.
- Layered silicate minerals are widely distributed in nature and have low unit prices. Since the unit cost of the solid electrolyte membrane can be reduced, the cost of the fuel cell can be reduced.
- the use of the layered silicate mineral of the present embodiment and the intercalation compound thereof for a solid electrolyte membrane makes it possible to produce a fuel cell with high energy efficiency and low cost.
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- Chemical Kinetics & Catalysis (AREA)
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- Crystallography & Structural Chemistry (AREA)
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Abstract
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Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR0314914-5A BR0314914A (pt) | 2002-10-22 | 2003-10-20 | Célula de combustìvel de membrana de troca de prótons usando membrana de eletrólito sólido de minerais de silicato laminar e um composto de intercalação |
EP03758738A EP1555707A4 (en) | 2002-10-22 | 2003-10-20 | BLUE SEA MINIATURE AND FUEL CELL WITH INTERCALING COMPLEX DAF R AS FIXED ELECTROLYTE MEMBRANE |
JP2004546422A JPWO2004038839A1 (ja) | 2002-10-22 | 2003-10-20 | 層状ケイ酸塩鉱物及びその層間化合物を固体電解質膜に用いた燃料電池 |
AU2003275562A AU2003275562A1 (en) | 2002-10-22 | 2003-10-20 | Sheet silicate mineral and fuel cell including intercalation complex thereof as solid electrolyte membrane |
US10/529,877 US20070059577A1 (en) | 2002-10-22 | 2003-10-20 | Proton exchange membrane fuel cell using solid electrolyte membrane of sheet silicate minerals and an intercalation compound |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002307043 | 2002-10-22 | ||
JP2002-307043 | 2002-10-22 | ||
JP2002-343762 | 2002-11-27 | ||
JP2002343762 | 2002-11-27 |
Publications (1)
Publication Number | Publication Date |
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WO2004038839A1 true WO2004038839A1 (ja) | 2004-05-06 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2003/013350 WO2004038839A1 (ja) | 2002-10-22 | 2003-10-20 | 層状ケイ酸塩鉱物及びその層間化合物を固体電解質膜に用いた燃料電池 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20070059577A1 (ja) |
EP (1) | EP1555707A4 (ja) |
JP (1) | JPWO2004038839A1 (ja) |
KR (1) | KR100666820B1 (ja) |
AU (1) | AU2003275562A1 (ja) |
BR (1) | BR0314914A (ja) |
WO (1) | WO2004038839A1 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006032287A (ja) * | 2004-07-21 | 2006-02-02 | Toshiba Corp | プロトン伝導性固体電解質、燃料電池用電極、膜電極複合体及び燃料電池 |
CN1317783C (zh) * | 2005-07-19 | 2007-05-23 | 武汉理工大学 | 一种含氢硅油接枝烯基磺酸质子交换膜及其制备方法 |
US7316854B2 (en) | 2003-03-14 | 2008-01-08 | Toyota Jidosha Kabushiki Kaisha | Proton conducting material, proton conducting membrane, and fuel cell |
US7368198B2 (en) | 2003-08-29 | 2008-05-06 | Samsung Sdi Co., Ltd. | Polymer nanocomposite membrane and fuel cell using the same |
WO2012046870A1 (ja) * | 2010-10-05 | 2012-04-12 | 日本ゴア株式会社 | 固体高分子形燃料電池 |
US8349521B2 (en) | 2004-07-21 | 2013-01-08 | Kabushiki Kaisha Toshiba | Membrane electrode assembly |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1793437A3 (de) * | 2005-09-09 | 2009-04-22 | Institut für Energie- und Umwelttechnik e.V. (IUTA) - Institut an der Universität Duisburg - Essen | Elektrolyt, Elektrode und Katalysatorelektrode zur Verwendung in einer Brennstoffzelle |
JP2007250265A (ja) * | 2006-03-14 | 2007-09-27 | Toyota Motor Corp | 燃料電池用補強型電解質膜、その製造方法、燃料電池用膜−電極接合体、及びそれを備えた固体高分子型燃料電池 |
US10113407B2 (en) * | 2007-08-09 | 2018-10-30 | Lawrence Livermore National Security, Llc | Electrochemical production of metal hydroxide using metal silicates |
CN104852065B (zh) * | 2015-05-26 | 2017-06-30 | 宁波工程学院 | 一种用于直接甲醇燃料电池的复合质子交换膜及其制备方法 |
WO2017161160A1 (en) | 2016-03-16 | 2017-09-21 | University Of Utah Research Foundation | Composite solid electrolytes for lithium batteries |
SI25400A (sl) * | 2018-02-28 | 2018-09-28 | KavÄŤiÄŤ Andrej | Elektrokemični merilec vsebnosti etanola v tekočini s kovinskima katalizatorjema |
CN112864456B (zh) * | 2021-01-08 | 2022-08-12 | 吉林大学 | 分子筛基固态电解质以及制备方法、一体化固态电解质-电极材料 |
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2003
- 2003-10-20 JP JP2004546422A patent/JPWO2004038839A1/ja active Pending
- 2003-10-20 AU AU2003275562A patent/AU2003275562A1/en not_active Abandoned
- 2003-10-20 BR BR0314914-5A patent/BR0314914A/pt not_active Application Discontinuation
- 2003-10-20 WO PCT/JP2003/013350 patent/WO2004038839A1/ja active Application Filing
- 2003-10-20 EP EP03758738A patent/EP1555707A4/en not_active Withdrawn
- 2003-10-20 US US10/529,877 patent/US20070059577A1/en not_active Abandoned
- 2003-10-20 KR KR1020057006826A patent/KR100666820B1/ko not_active IP Right Cessation
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7316854B2 (en) | 2003-03-14 | 2008-01-08 | Toyota Jidosha Kabushiki Kaisha | Proton conducting material, proton conducting membrane, and fuel cell |
US7368198B2 (en) | 2003-08-29 | 2008-05-06 | Samsung Sdi Co., Ltd. | Polymer nanocomposite membrane and fuel cell using the same |
JP2006032287A (ja) * | 2004-07-21 | 2006-02-02 | Toshiba Corp | プロトン伝導性固体電解質、燃料電池用電極、膜電極複合体及び燃料電池 |
JP4625658B2 (ja) * | 2004-07-21 | 2011-02-02 | 株式会社東芝 | 燃料電池用電極、膜電極複合体及び燃料電池 |
US8349521B2 (en) | 2004-07-21 | 2013-01-08 | Kabushiki Kaisha Toshiba | Membrane electrode assembly |
CN1317783C (zh) * | 2005-07-19 | 2007-05-23 | 武汉理工大学 | 一种含氢硅油接枝烯基磺酸质子交换膜及其制备方法 |
WO2012046870A1 (ja) * | 2010-10-05 | 2012-04-12 | 日本ゴア株式会社 | 固体高分子形燃料電池 |
Also Published As
Publication number | Publication date |
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BR0314914A (pt) | 2005-08-16 |
KR20050055028A (ko) | 2005-06-10 |
US20070059577A1 (en) | 2007-03-15 |
KR100666820B1 (ko) | 2007-01-09 |
EP1555707A4 (en) | 2008-07-02 |
JPWO2004038839A1 (ja) | 2006-02-23 |
AU2003275562A1 (en) | 2004-05-13 |
EP1555707A1 (en) | 2005-07-20 |
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