WO2003102971A1 - Materiau poreux inorganique a surface modifiee et cellule electrochimique comprenant ledit materiau sous forme d'electrolyte - Google Patents
Materiau poreux inorganique a surface modifiee et cellule electrochimique comprenant ledit materiau sous forme d'electrolyte Download PDFInfo
- Publication number
- WO2003102971A1 WO2003102971A1 PCT/JP2003/006508 JP0306508W WO03102971A1 WO 2003102971 A1 WO2003102971 A1 WO 2003102971A1 JP 0306508 W JP0306508 W JP 0306508W WO 03102971 A1 WO03102971 A1 WO 03102971A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- inorganic porous
- porous material
- group
- fuel cell
- proton conductivity
- Prior art date
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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
- H01M8/1016—Fuel cells with solid electrolytes characterised by the electrolyte material
-
- 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
- H01M8/02—Details
- H01M8/0289—Means for holding the electrolyte
- H01M8/0293—Matrices for immobilising electrolyte solutions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2300/00—Electrolytes
- H01M2300/0002—Aqueous electrolytes
- H01M2300/0005—Acid electrolytes
- H01M2300/0008—Phosphoric acid-based
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2300/00—Electrolytes
- H01M2300/0002—Aqueous electrolytes
- H01M2300/0005—Acid electrolytes
- H01M2300/0011—Sulfuric acid-based
-
- 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 surface-modified inorganic porous body having a functional group exhibiting proton conductivity introduced on the surface of the inorganic porous body, a method for modifying the surface of the inorganic porous body, and a fuel cell using the inorganic porous body as a solid electrolyte.
- fluorinated ion exchange membranes (commercially available under trade names such as "Naphion” and “Flemion”), which are widely used as solid electrolyte membranes for fuel cells, are organic polymer membranes. Insufficient heat resistance makes it difficult to use at high temperatures. Considering the improvement in energy efficiency of the entire fuel cell system, the development of a solid electrolyte membrane that can be used at a temperature of about 100 to 150 ° C has been developed in order to effectively use the waste heat generated during power generation. Coveted.
- an object of the present invention is to provide a solid electrolyte membrane which is excellent in heat resistance and can be used at a high temperature of 100 or more, and a fuel cell excellent in heat resistance using the solid electrolyte membrane as an electrolyte. I do.
- the present inventor has found that a functional group having proton conductivity such as a sulfonic acid group or a phosphoric acid group is introduced into the surface of the inorganic porous body. As a result, it has been found that a material for a solid electrolyte membrane having excellent heat resistance useful as an electrolyte of a fuel cell or the like can be obtained.
- the present invention provides the following inorganic porous body, a method for modifying the surface of the inorganic porous body, a solid electrolyte membrane, and a fuel cell.
- An inorganic porous material having at least one kind of functional group having proton conductivity selected from the group consisting of a sulfonic acid group and a phosphoric acid group introduced into the surface of the inorganic porous material.
- a method for modifying the surface of an inorganic porous material which comprises introducing a sulfonic acid group into the surface of the inorganic porous material by causing the inorganic porous material to come into contact with sultone.
- An inorganic porous material characterized by contacting the inorganic porous material with a mercapto group-containing silicon compound and then oxidizing to introduce sulfonic acid groups to the surface of the inorganic porous material. Surface modification method.
- a method for modifying the surface of an inorganic porous material which comprises introducing a sulfonic acid group to the surface of the inorganic porous material by bringing the inorganic porous material into contact with sulfuric acid.
- a method for modifying the surface of an inorganic porous material which comprises introducing a phosphate group to the surface of the inorganic porous material by contacting the inorganic porous material with phosphoric acid.
- a solid electrolyte membrane comprising the inorganic porous material according to item 1 above.
- the inorganic porous material is modified by introducing at least one functional group exhibiting proton conductivity selected from the group consisting of a sulfonic acid group and a phosphoric acid group into the surface of the inorganic porous material.
- the inorganic porous body can be provided with proton conductivity.
- the functional group exhibiting proton conductivity is introduced to the surface of the inorganic porous body including the surface of the pore.
- Examples of the inorganic porous body to be surface-modified include various known inorganic porous bodies.
- Examples of the material constituting the inorganic porous material include materials mainly containing silica, alumina, titania, silica-alumina, silica-titania, silica-zirconia, and the like.
- the properties of the inorganic porous material are not particularly limited, but in consideration of the use as a solid electrolyte, the average pore size is about 0.5 to 100 nm (more preferably, about 5 nm), and the porosity is 5 It is desirably about 80% (more preferably, about 20% to 50%).
- Introduction of a functional group having proton conductivity into the surface of the inorganic porous material can be performed by various methods. Hereinafter, specific examples of the method for introducing a functional group will be described. These methods may be used alone or in combination of two or more.
- the inorganic porous material is brought into contact with a sultone such as propane sultone or butane sultone, and a sulfonic acid group is introduced into the surface of the inorganic porous material by a reaction shown below (hereinafter, “propane sultone” is an example) I do.
- a sultone such as propane sultone or butane sultone
- an inorganic porous material is immersed in a solution of propane sultone dissolved in an organic solvent such as toluene, benzene, methanol, ethanol, THF, and DMF, and heated under reflux to obtain an inorganic material.
- a sulfonic acid group can be introduced into the surface of the porous body.
- the reflux condition is not particularly limited as long as the predetermined reaction proceeds, but is usually about 50 to 150, preferably about 80 to 120 ° C, about 10 to 48 hours, preferably about 15 to 30 hours. Do with.
- the concentration of the propane sultone solution is not particularly limited, it is usually about 0.5 to 10% by weight, preferably about 1 to 5% by weight.
- the inorganic porous material is brought into contact with a mercapto group-containing gay compound and then oxidized to introduce a sulfonic acid group to the surface of the inorganic porous material.
- the inorganic porous material is immersed in a solution in which a mercapto group-containing silicon compound is dissolved in an organic solvent, and heated under reflux to introduce the mercapto group on the surface of the inorganic porous material.
- the mercapto group is oxidized to a sulfonic acid group.
- Mercapto group-containing silicon compounds include 3-mercaptopropyl trimethoxysilane, 3-mercaptopropyltriethoxysilane, mercaptomethylmethyljetoxysilane, mercaptomethylmethyldimethoxysilane, mercaptomethyltrimethoxysilane, mercaptomethyltriethoxysilane , 3-mercaptopropylmethyldimethoxysilane, 3-mercaptopropylmethyljetoxysilane and the like. These compounds may be used alone or in combination of two or more.
- Examples of the organic solvent for dissolving the mercapto group-containing silane compound include toluene, benzene, methanol, ethanol, DMF, and THF.
- the concentration of the mercapto group-containing solution is not particularly limited, but is usually about 0.5 to 10 wt%, preferably about 5 w ⁇ .
- the reflux conditions in the second method are the same as the reflux conditions in the first method.
- Oxidation of the mercapto group introduced on the surface of the inorganic porous material is performed by removing the inorganic porous material from the mercapto group-containing silicon compound solution, washing with the same solvent as the solvent constituting the solution, and then contacting with an oxidizing agent. It can be carried out.
- an oxidation method Examples include immersion in hydrogen peroxide water, immersion in nitric acid, and the like.
- the inorganic porous material is immersed in sulfuric acid or an aqueous solution thereof, and sulfonic acid groups are directly introduced on the surface.
- the immersion operation is usually carried out in a sulfuric acid or concentrated sulfuric acid aqueous solution having a sulfuric acid concentration of about 10 to 100, preferably about 50 to 100%, at a temperature of about 25 to 250 ° C, preferably about 50 to 200 ° C, at a concentration of 0.5. It can be carried out by immersing the inorganic porous material for about 48 hours, preferably for about 5 to 24 hours.
- the inorganic porous body When immersion treatment is performed at a high temperature in order to obtain a surface modified product having better proton conductivity, the inorganic porous body can be immersed in an aqueous solution of sulfuric acid or concentrated sulfuric acid and then treated in an autoclave.
- the inorganic porous material is immersed in phosphoric acid or an aqueous solution thereof, and a phosphate group is directly introduced to the surface.
- the immersion operation is usually carried out in a phosphoric acid or concentrated phosphoric acid aqueous solution having a phosphoric acid concentration of about 10 to 100, preferably about 50 to 903 ⁇ 4, at a temperature of 25 to 25 (about TC, preferably about 50 to 200 ° C. It can be carried out by immersing the inorganic porous material for about 5 to 48 hours, preferably for about 5 to 24 hours.
- immersion treatment can be performed in an autoclave in order to increase the proton conductivity of the surface-modified inorganic porous material.
- the surface of the inorganic porous material can be modified by the above method.
- the surface-modified inorganic porous material has at least one functional group exhibiting proton conductivity selected from the group consisting of a sulfonic acid group and a phosphoric acid group on the surface portion including the pore surface. typically exhibit a high proton conductivity of 1 X 10- 3 S / cm or more.
- the base material is an inorganic material, it has excellent heat resistance, can be used at high temperatures of about 100 to 150 ° C, and has good chemical resistance (corrosion resistance).
- the inorganic porous material surface-modified according to the present invention is, for example, a solid oxide fuel cell.
- a solid oxide fuel cell that can be operated in a wide temperature range can be obtained.
- a solid electrolyte fuel cell mainly comprises a solid electrolyte and electrodes (anode and force sword) provided so as to come into contact with the solid electrolyte, and a fuel is provided on the anode side of the electrolyte.
- a fuel for example, hydrogen, natural gas, methanol, coal gas
- air oxygen
- the hydrogen fuel supplied to the anode side is split into protons and electrons, and this proton is It moves through the inorganic porous material and reacts with oxygen at the positive electrode to produce water. At this time, electrons reach the positive electrode through an external circuit.
- Examples of the solid-electrolyte solid-state fuel cell include, for example, a cylindrical solid-electrolyte fuel cell having a structure in which a cathode layer, a solid electrolyte layer, and an anode layer are sequentially formed on a cylindrical surface of a cylindrical support tube and laminated.
- the fuel cell has a structure in which an anode layer is formed on one of both sides of a flat solid electrolyte layer and a cathode layer is formed on the other side.
- the inorganic porous material modified according to the present invention can be used as an electrolyte for any type of solid oxide fuel cell.
- the thickness of the inorganic porous electrolyte layer is appropriately selected in consideration of the characteristics required for the solid oxide fuel cell, the mechanical strength required for the electrolyte layer, the conductivity of the inorganic porous body used as the electrolyte, etc. Although not particularly limited, it is generally 1 mm or less, preferably 500 m or less, more preferably 200 ⁇ 111 or less, more preferably 100 im or less, and usually 5 m or more, preferably It can be at least 10 / im, more preferably at least 10 and even more preferably at least 50 / m.
- cathode and the cathode those known in solid oxide fuel cells can be used.
- a porous material having a porosity of about 30% can be used in the fuel and the air, respectively.
- a stable electron conductor material can be used.
- a good proton conductivity can be imparted to an inorganic material by introducing a functional group exhibiting proton conductivity into the surface of the inorganic porous body. Since the base material is an inorganic material, it has excellent heat resistance and good chemical resistance.
- the inorganic porous material whose surface has been modified in this way It is useful as an electrolyte of a solid oxide fuel cell that can be operated in a range, and can also be used as a solid electrolyte membrane for various applications such as sensors.
- a solution was prepared by adding 30 g of toluene to 0.8 g of propane sultone.
- the porous glass membrane B (973 ⁇ 4Si0 2, 30 thigh X30mm, thickness 0.9 thigh, the average pore size 2n m) using, by performing the same operation as above, sulfonic acid groups in the porous glass B surface And its surface was modified (Example 2).
- a solution was prepared by adding 30 g of toluene to 0.8 g of 3-mercaptopropyltrimethoxysilane.
- Porous glass A (the same material as in Example 1; the same applies hereinafter) was immersed in the solution and refluxed at 100 ° C. for 20 hours to introduce a mercapto group on the surface of porous glass A. Then, the glass was taken out of the solution, washed with toluene, and then brought into contact with a hydrogen peroxide solution, thereby modifying the surface with the mercapto group as a sulfonic acid group.
- the proton conductivity of this film at room temperature was 1 ⁇ 10 2 S / cm. According to the present invention, it is clear that a surface-modified porous glass membrane having high proton conductivity can be obtained. It is easy.
- porous glass A was immersed in concentrated sulfuric acid (97) for 20 hours to introduce a sulfonate group and modify the surface thereof.
- the proton conductivity of the obtained membrane at room temperature was 2 ⁇ 10 ⁇ 2 S / cm (Example 5).
- the porous glass membrane A was immersed in concentrated phosphoric acid (85%) and heated in an autoclave at 200 ° C for 3 hours to introduce phosphate groups and modify its surface.
- Porous glass A was immersed in concentrated sulfuric acid (97%) and heated in an autoclave at 200 for 3 hours to introduce sulfonic acid groups and modify the surface.
- the resulting proton conductivity at room temperature of the film, 4X10- 2 was S / cm (Example 7), the present invention, is Rukoto obtained surface modified porous glass membrane exhibiting high proton conductivity it is obvious.
- Porous glass membrane C and (75 Si0 2 -8nr0 2) was immersed in concentrated phosphoric acid (85%), by heating 3 hours at Otokure over blanking in 200 ° C, by introducing a phosphoric acid group, the surface modification Performed quality.
- the proton conductivity at room temperature of the obtained membrane was 9 ⁇ 10 ⁇ 3 S / cm (Example 8).
- Porous glass C was immersed in concentrated sulfuric acid (97) and heated in an autoclave at 200 for 3 hours to introduce sulfonic acid groups and modify the surface.
- the resulting proton conductivity at room temperature of the film 5X10- 2 S / by a which was Cffl (Example 9)
- the present invention clearly can be obtained Rukoto surface modification porous glass membrane exhibiting high proton conductivity It is.
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Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003241760A AU2003241760A1 (en) | 2002-05-30 | 2003-05-26 | Surface-modified inorganic porous material and fuel cell comprising the same as electrolyte |
JP2004509965A JP4336777B2 (ja) | 2002-05-30 | 2003-05-26 | 表面改質無機多孔体及び該多孔体を電解質とする燃料電池 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002-156570 | 2002-05-30 | ||
JP2002156570 | 2002-05-30 |
Publications (1)
Publication Number | Publication Date |
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WO2003102971A1 true WO2003102971A1 (fr) | 2003-12-11 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/006508 WO2003102971A1 (fr) | 2002-05-30 | 2003-05-26 | Materiau poreux inorganique a surface modifiee et cellule electrochimique comprenant ledit materiau sous forme d'electrolyte |
Country Status (3)
Country | Link |
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JP (1) | JP4336777B2 (ja) |
AU (1) | AU2003241760A1 (ja) |
WO (1) | WO2003102971A1 (ja) |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2853456A1 (fr) * | 2003-04-04 | 2004-10-08 | Sagem | Micropiles a combustible destinees particulierement aux dispositifs electroniques portables et aux dispositifs de telecommunications |
JP2005183017A (ja) * | 2003-12-16 | 2005-07-07 | Konica Minolta Holdings Inc | プロトン伝導性電解質膜の製造方法とプロトン伝導性電解質膜、及びプロトン伝導性電解質膜を用いた燃料電池 |
WO2004091026A3 (fr) * | 2003-04-04 | 2005-10-27 | Sagem | Micropiles a combustible destinees particulierement aux dispositif electroniques portables et aux dispositifs de telecommunications |
JP2006140442A (ja) * | 2004-10-15 | 2006-06-01 | Sanyo Electric Co Ltd | 固体電解コンデンサおよびその製造方法 |
JP2006332063A (ja) * | 2005-05-25 | 2006-12-07 | Samsung Sdi Co Ltd | プロトン伝導性チタネートとその製造方法、これを含んだ高分子ナノ複合膜、及びこれを採用した燃料電池 |
JP2006327932A (ja) * | 2005-05-25 | 2006-12-07 | Samsung Sdi Co Ltd | 水素イオン伝導性無機物とその製造方法、それを含む高分子ナノ複合膜及びそれを採用した燃料電池 |
JP2007066668A (ja) * | 2005-08-30 | 2007-03-15 | National Institute Of Advanced Industrial & Technology | 金属酸化物ナノポーラス材料からなるプロトン伝導体、同伝導体を用いた燃料電池の電解質又はプロトン伝導性デバイス及び同伝導体の製造方法 |
KR100708646B1 (ko) * | 2004-06-17 | 2007-04-18 | 삼성에스디아이 주식회사 | 양이온 교환 능력을 갖는 개질된 무기물 , 이를 포함하는복합전해질막, 및 이를 채용한 연료전지 |
JP2007115647A (ja) * | 2005-02-25 | 2007-05-10 | Nissan Motor Co Ltd | プロトン伝導性コンポジット型電解質膜及びその製造方法 |
JP2007200601A (ja) * | 2006-01-24 | 2007-08-09 | Kri Inc | プロトン伝導性固体電解質 |
WO2007135944A1 (ja) * | 2006-05-22 | 2007-11-29 | Nissan Motor Co., Ltd. | イオン伝導体 |
JP2010527903A (ja) * | 2007-05-28 | 2010-08-19 | セラム ハイド | プロトン交換膜及びこの膜を含む電池 |
JP2011054565A (ja) * | 2010-08-12 | 2011-03-17 | National Institute Of Advanced Industrial Science & Technology | プロトン伝導体の製造方法及び燃料電池の電解質又はプロトン伝導性デバイス |
JP2011517331A (ja) * | 2008-03-06 | 2011-06-02 | セラム ハイド | 電気化学デバイス用材料 |
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2003
- 2003-05-26 WO PCT/JP2003/006508 patent/WO2003102971A1/ja active Application Filing
- 2003-05-26 JP JP2004509965A patent/JP4336777B2/ja not_active Expired - Lifetime
- 2003-05-26 AU AU2003241760A patent/AU2003241760A1/en not_active Abandoned
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JPS575268A (en) * | 1980-06-11 | 1982-01-12 | Sanyo Electric Co Ltd | Fuel cell |
JPH08249923A (ja) * | 1995-03-07 | 1996-09-27 | Matsushita Electric Ind Co Ltd | プロトン伝導体およびプロトン伝導体を用いた電気化学素子 |
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Cited By (22)
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WO2004091026A3 (fr) * | 2003-04-04 | 2005-10-27 | Sagem | Micropiles a combustible destinees particulierement aux dispositif electroniques portables et aux dispositifs de telecommunications |
FR2853456A1 (fr) * | 2003-04-04 | 2004-10-08 | Sagem | Micropiles a combustible destinees particulierement aux dispositifs electroniques portables et aux dispositifs de telecommunications |
JP2005183017A (ja) * | 2003-12-16 | 2005-07-07 | Konica Minolta Holdings Inc | プロトン伝導性電解質膜の製造方法とプロトン伝導性電解質膜、及びプロトン伝導性電解質膜を用いた燃料電池 |
US8173712B2 (en) | 2004-06-17 | 2012-05-08 | Samsung Sdi Co., Ltd. | Modified inorganic material with ion exchange capacity, composite electolyte membrane comprising the same, and fuel cell comprising the composite electrolyte membrane |
KR100708646B1 (ko) * | 2004-06-17 | 2007-04-18 | 삼성에스디아이 주식회사 | 양이온 교환 능력을 갖는 개질된 무기물 , 이를 포함하는복합전해질막, 및 이를 채용한 연료전지 |
JP2006140442A (ja) * | 2004-10-15 | 2006-06-01 | Sanyo Electric Co Ltd | 固体電解コンデンサおよびその製造方法 |
JP4698350B2 (ja) * | 2004-10-15 | 2011-06-08 | 三洋電機株式会社 | 固体電解コンデンサの製造方法 |
JP2007115647A (ja) * | 2005-02-25 | 2007-05-10 | Nissan Motor Co Ltd | プロトン伝導性コンポジット型電解質膜及びその製造方法 |
US7842199B2 (en) | 2005-05-25 | 2010-11-30 | Samsung Sdi Co., Ltd. | Proton conducting titanate, polymer nano-composite membrane including the same, and fuel cell adopting the polymer nano-composite membrane |
JP4662885B2 (ja) * | 2005-05-25 | 2011-03-30 | 三星エスディアイ株式会社 | プロトン伝導性チタネートとその製造方法、これを含んだ高分子ナノ複合膜、及びこれを採用した燃料電池 |
CN1880388B (zh) * | 2005-05-25 | 2013-03-13 | 三星Sdi株式会社 | 质子导电无机材料包含它的聚合物纳米材料复合膜以及采用该复合膜的燃料电池 |
JP2006332063A (ja) * | 2005-05-25 | 2006-12-07 | Samsung Sdi Co Ltd | プロトン伝導性チタネートとその製造方法、これを含んだ高分子ナノ複合膜、及びこれを採用した燃料電池 |
JP4502276B2 (ja) * | 2005-05-25 | 2010-07-14 | 三星エスディアイ株式会社 | 水素イオン伝導性無機物とその製造方法、それを含む高分子ナノ複合膜及びそれを採用した燃料電池 |
JP2006327932A (ja) * | 2005-05-25 | 2006-12-07 | Samsung Sdi Co Ltd | 水素イオン伝導性無機物とその製造方法、それを含む高分子ナノ複合膜及びそれを採用した燃料電池 |
JP2007066668A (ja) * | 2005-08-30 | 2007-03-15 | National Institute Of Advanced Industrial & Technology | 金属酸化物ナノポーラス材料からなるプロトン伝導体、同伝導体を用いた燃料電池の電解質又はプロトン伝導性デバイス及び同伝導体の製造方法 |
JP2007200601A (ja) * | 2006-01-24 | 2007-08-09 | Kri Inc | プロトン伝導性固体電解質 |
JP2008004533A (ja) * | 2006-05-22 | 2008-01-10 | Nissan Motor Co Ltd | イオン伝導体 |
WO2007135944A1 (ja) * | 2006-05-22 | 2007-11-29 | Nissan Motor Co., Ltd. | イオン伝導体 |
JP2010529938A (ja) * | 2007-05-28 | 2010-09-02 | セラム ハイド | 窒化ホウ素の活性化方法 |
JP2010527903A (ja) * | 2007-05-28 | 2010-08-19 | セラム ハイド | プロトン交換膜及びこの膜を含む電池 |
JP2011517331A (ja) * | 2008-03-06 | 2011-06-02 | セラム ハイド | 電気化学デバイス用材料 |
JP2011054565A (ja) * | 2010-08-12 | 2011-03-17 | National Institute Of Advanced Industrial Science & Technology | プロトン伝導体の製造方法及び燃料電池の電解質又はプロトン伝導性デバイス |
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JP4336777B2 (ja) | 2009-09-30 |
AU2003241760A1 (en) | 2003-12-19 |
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