WO2010044415A1 - 燃料電池および電子機器 - Google Patents
燃料電池および電子機器 Download PDFInfo
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- WO2010044415A1 WO2010044415A1 PCT/JP2009/067771 JP2009067771W WO2010044415A1 WO 2010044415 A1 WO2010044415 A1 WO 2010044415A1 JP 2009067771 W JP2009067771 W JP 2009067771W WO 2010044415 A1 WO2010044415 A1 WO 2010044415A1
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- fuel
- electrode
- fuel cell
- anode
- exterior member
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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]
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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
- H01M8/02—Details
- H01M8/0271—Sealing or supporting means around electrodes, matrices or membranes
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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
- H01M8/02—Details
- H01M8/0271—Sealing or supporting means around electrodes, matrices or membranes
- H01M8/028—Sealing means characterised by their 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
- 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
- H01M8/1041—Polymer electrolyte composites, mixtures or blends
- H01M8/1053—Polymer electrolyte composites, mixtures or blends consisting of layers of polymers with at least one layer being ionically conductive
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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
Definitions
- the present invention relates to a fuel cell including an electrode structure having an electrolyte membrane between an anode electrode and a cathode electrode, and an electronic device using the same.
- the fuel cell has a configuration in which an electrolyte is disposed between an anode electrode (fuel electrode) and a cathode electrode (oxygen electrode), and fuel is supplied to the anode electrode and oxidant is supplied to the cathode electrode. At this time, an oxidation-reduction reaction occurs in which the fuel is oxidized by the oxidant, and the chemical energy that the fuel has is converted into electrical energy.
- the present invention has been made in view of such problems, and an object of the present invention is to provide a fuel cell capable of reliably shutting off the supply of fuel and / or air during abnormal heat generation and an electronic device including the same. There is.
- a fuel cell includes an electrode structure (power generation unit) having an electrolyte membrane between an anode electrode and a cathode electrode, and at least one electrolyte membrane of the anode electrode and the cathode electrode of the electrode structure. And a meltable porous membrane on the opposite side.
- an electrode structure power generation unit having an electrolyte membrane between an anode electrode and a cathode electrode, and at least one electrolyte membrane of the anode electrode and the cathode electrode of the electrode structure.
- a meltable porous membrane on the opposite side.
- An electronic device includes the fuel cell of the present invention.
- the meltable porous membrane is provided on the opposite side to the electrolyte membrane of at least one of the anode electrode and the cathode electrode of the electrode structure.
- the meltable porous film is melted and deformed, the voids (pores) disappear, and the oxygen (air) or fuel passage to the electrode structure is blocked. Thereby, the supply of fuel and / or air to the electrode structure side is interrupted.
- the meltable porous membrane simply allows fuel and / or air to permeate.
- the meltable porous membrane is provided on the opposite side of the electrode membrane to the electrolyte membrane of at least one of the anode electrode and the cathode electrode.
- the supply of fuel and / or air can be reliably shut off. Therefore, further abnormal heat generation can be suppressed, the safety of the fuel cell can be improved, and the safety of an electronic device equipped with the same can be improved.
- FIG. 10 is a diagram illustrating a configuration of Modification 1.
- FIG. 10 is a diagram illustrating a configuration of Modification 2.
- FIG. 10 is a diagram illustrating a configuration of Modification 3.
- FIG. 10 is a diagram illustrating a configuration of Modification 4.
- FIG. 10 is a diagram illustrating a configuration of Modification 5.
- FIG. 10 is a diagram illustrating a configuration of Modification 6.
- FIG. It is a figure showing the structure of an electronic device.
- FIG. 1 shows the configuration of a fuel cell according to the first embodiment of the present invention.
- the fuel cell 1 is used in a portable electronic device, a notebook PC, or the like, and includes, for example, an electrode structure 10 as a power generation unit.
- the electrode structure 10 is, for example, a DMFC including an electrolyte membrane 12 between a cathode electrode (air electrode) 11 and an anode electrode (fuel electrode) 13.
- a cathode side exterior member 15 is provided outside the cathode electrode 11, and an anode side exterior member 16 is provided outside the anode electrode 13.
- the cathode electrode 11 is obtained by forming the catalyst layer 11B on the cathode current collector 11A, and the anode electrode 13 is also obtained by forming the catalyst layer 13B on the anode current collector 13A.
- the cathode electrode 11 and the anode electrode 13 are provided with a catalyst layer containing platinum (Pt) or ruthenium (Ru) on the surface of, for example, carbon cloth, and a collector such as titanium (Ti) mesh on the back surface. It is a thing.
- the electrolyte membrane 12 is made of, for example, a polyperfluoroalkylsulfonic acid resin (“Nafion (registered trademark)” manufactured by DuPont) or another resin membrane having proton conductivity.
- the cathode electrode 11, the anode electrode 13, and the electrolyte membrane 12 are fixed by a gasket 14.
- the cathode-side exterior member 15 has, for example, a thickness of 2.0 mm and is made of an anodized aluminum (Al) plate, titanium (Ti) plate, acid-resistant metal plate, or the like, but the material is not particularly limited. .
- the cathode-side exterior member 15 is provided with a large number of oxygen supply holes 15A through which air, that is, oxygen passes, and air, that is, oxygen is supplied to the cathode electrode 11 through these oxygen supply holes 15A. ing.
- the anode side exterior member 16 is made of a material having high thermal conductivity and excellent corrosion resistance, such as stainless steel, aluminum (Al), or titanium (Ti). Further, the anode side exterior member 16 is provided with a number of fuel supply holes 16A through which fuel passes, and the fuel is supplied to the anode electrode 13 through these fuel supply holes 16A.
- a fuel supply member 17 is opposed to the outside of the anode side exterior member 16, and an internal space surrounded by the anode side exterior member 16 and the fuel supply member 17 is a vaporization chamber 18 for vaporizing the fuel. It has become. That is, the fuel cell 1 is of a vaporization type in which liquid fuel is vaporized in the vaporization chamber 18 and is supplied to the anode electrode 13 in a gaseous state.
- the fuel supply member 17 is made of a material having high thermal conductivity and excellent corrosion resistance, such as stainless steel, aluminum (Al), or titanium (Ti), for example, like the anode side exterior member 16.
- a tip of a fuel supply pipe (not shown) from an external fuel tank (not shown) is connected to the fuel supply member 17 in order to supply liquid fuel to the vaporization chamber 18.
- a space between the anode side exterior member 16 and the fuel supply member 17 is sealed with a sealant (not shown) such as EPDM (ethylene propylene diene rubber), fluorine rubber, or silicone rubber, whereby the vaporization chamber 18 is hermetically sealed. Is retained.
- the fuel supply member 17 does not need to be a single member, and may be a member in which a concave structure is formed by assembling a frame to a flat plate-like member.
- the meltable porous membranes 21A and 21B are provided on the opposite side of the anode electrode 13 and the cathode electrode 11 of the electrode structure 10 from the electrolyte membrane 12.
- the fusible porous membrane 21A is between the cathode electrode 11 and the cathode side exterior member 15 of the electrode structure 10
- the fusible porous membrane 21B is between the anode electrode 13 and the anode side of the electrode structure 10. It is preferable that they are respectively provided between the exterior members 16.
- the thickness of the meltable porous membranes 21A and 21B is preferably, for example, 5 ⁇ m or more and 1 mm or less. This is because if the thickness is less than 5 ⁇ m, the barrier property of fuel and air is deteriorated, and if it is thicker than 1 mm, not only the amount of fuel supplied is lowered but also the fuel cell becomes thick.
- the meltable porous membranes 21A and 21B are preferably made of, for example, a resin that is not soluble in fuel (methanol). Specifically, resins having a relatively low melting point (melting point of 130 ° C. or lower) such as polyethylene, polyolefin, ethylene acrylic acid copolymer neutralization salt, ethylene / glycidyl methacrylate copolymer, copolymer nylon and copolymer polyester are used. preferable.
- the melting point of the resin that is, the melting temperature of the meltable porous membranes 21A and 21B is preferably, for example, 60 ° C. or higher and 120 ° C. or lower. This is because the supply of fuel and / or air can be reliably shut off at a temperature close to 65 ° C., which is the boiling point of methanol, which is the fuel.
- the meltable porous films 21A and 21B for example, a configuration in which a porous film and a low melting point polyolefin wax are combined is also preferable.
- the meltable porous membranes 21A and 21B can be, for example, a blend of a polyolefin wax and a porous film. More preferably, for example, a porous film 22 as shown in FIG. 2A is laminated with a polyolefin wax 23, or a large number of pores 22A as shown in FIG. 2B. The thing which impregnated the polyolefin-type wax 23 to the porous film 22 to have is mentioned. These can be produced more easily than blends. The impregnation amount and lamination amount of the polyolefin wax 23 are adjusted by the volume of the gap 22 ⁇ / b> A of the porous film 22.
- the porous film 22 is not necessarily made of a resin having a low melting point, and a porous film made of polyethylene, polypropylene, polyester, or a fluororesin can be used.
- the polyolefin wax 23 include polyethylene wax.
- the melting temperature of the meltable porous membranes 21A and 21B can be changed depending on the degree of polymerization of the polyolefin wax 23 to be added, and specifically, for example, preferably 60 ° C. or more and 120 ° C. or less. This is because the supply of fuel and / or air 24 can be reliably shut off at a temperature closer to 65 ° C., which is the boiling point of methanol, which is the fuel.
- meltable porous membranes 21A and 21B are made of a resin that is not soluble in fuel, the selection of materials is limited. However, since the resin itself has a low melting point, the fuel and air during abnormal heat generation. Can be reliably shut off.
- the meltable porous membranes 21A and 21B are a combination of a porous film and a polyolefin wax, the range of selection of materials is widened. Further, by selecting a polyolefin wax having a lower melting point, it becomes possible to shut off the fuel and the like at a lower temperature, for example, 70 ° C. or less and around 60 ° C., and higher safety can be obtained.
- the fuel cell 1 can be manufactured, for example, as follows.
- the meltable porous films 21A and 21B are formed using the above-described resin that is not soluble in fuel.
- the porous film made of the above-described material is used.
- the polyolefin wax 23 described above is applied (coated) to the film 22.
- the polyolefin film 23 may be impregnated into the porous film 22 made of the above-described material.
- the cathode electrode 11 and the anode electrode 13 are joined to the electrolyte membrane 12 by thermocompression bonding the electrolyte membrane 12 made of the above-described material between the cathode electrode 11 and the anode electrode 13, thereby forming the electrode structure 10.
- the meltable porous films 21A and 21B are bonded to the outside of the cathode electrode 1 and the anode electrode 13 by thermal fusion or thermocompression bonding, respectively.
- the cathode side exterior member 15 is disposed outside the meltable porous membrane 21A on the cathode electrode 11 side.
- the fuel supply hole 16A and the outer member 16B are prepared, and the fuel supply hole 16A and the outer member 16B are combined and sealed with a sealant, thereby forming the anode side exterior member 16 having the vaporization chamber 16C therein.
- This anode side exterior member 16 is joined to the meltable porous film 21B on the anode electrode 13 side by heat fusion or thermocompression bonding. Thereby, the fuel cell 1 shown in FIG. 1 is completed.
- meltable porous membranes 21A and 21B are previously joined to the electrode structure 10, but are first joined to the cathode side exterior member 15 and the fuel supply hole 16A by thermal fusion or thermocompression bonding, respectively. After that, they may be joined to the electrode structure 10.
- Anode electrode 13 CH 3 OH + H 2 O ⁇ CO 2 + 6H + + 6e ⁇
- Cathode electrode 11 6H + + (3/2) O 2 + 6e ⁇ ⁇ 3H 2 O
- the whole electrode structure 10 CH 3 OH + (3/2) O 2 ⁇ CO 2 + 2H 2 O
- the electrical energy extracted from the fuel cell 1 is used as a power source for the electronic device (load) 100 as shown in FIG.
- the electronic device 100 include mobile devices such as mobile phones and PDAs (Personal Digital Assistants), notebook PCs (Personal Computers), and the like.
- the meltable porous membranes 21A and 21B are melted by heat. That is, when the meltable porous membranes 21A and 21B are made of a resin that is not soluble in fuel, when the temperature of the electrode structure 10 reaches the vicinity of the melting point of the resin, the resin melts and becomes empty. The hole is blocked. In the case of the structure in which the polyolefin wax 23 is laminated on the porous film 22 as shown in FIG.
- the meltable porous membranes 21A and 21B are provided on the opposite side of the anode electrode 13 and the cathode electrode 11 of the electrode structure 10 from the electrolyte membrane 12, so that abnormal heat generation occurs. Sometimes the fuel and / or air 24 supply can be reliably shut off.
- the meltable porous membrane 21A is disposed between the cathode electrode 11 and the cathode side exterior member 15 of the electrode structure 10, and the meltable porous membrane 21B is disposed between the anode electrode 13 and the anode side exterior member 16 of the electrode structure 10. Therefore, the meltable porous films 21A and 21B can be disposed inside the cathode side exterior member 15 and the anode side exterior member 16, that is, in contact with the electrode structure 10. Therefore, the meltable porous membranes 21A and 21B can directly sense the temperature of the electrode structure 10, and the fuel or the like can be shut off quickly.
- the fusible porous membranes 21A and 21B are made of a resin that is not soluble in fuel, or the porous film 22 is impregnated or laminated with a polyolefin wax 23.
- the resin can be melted and deformed in the event of abnormal heat generation, or the voids of the porous film 22 can be eliminated, and the supply of fuel or the like can be more reliably interrupted compared to conventional polymer swelling membranes. .
- FIG. 3 shows the configuration of the fuel cell 2 according to the second embodiment of the present invention.
- the first porous layer 21 A is disposed outside the cathode-side exterior member 15 and the meltable porous membrane 21 B is disposed outside the anode-side exterior member 16.
- the configuration is the same as that of the embodiment.
- the fusible porous membranes 21A and 21B are disposed at positions farther from the electrode structure 10 than in the first embodiment.
- the constituent materials of the cathode-side exterior member 15 and the anode-side exterior member 16 are made of aluminum (Al) or the like having higher thermal conductivity so that the meltable porous films 21A and 21B can quickly sense the temperature of the electrode structure 10. It is preferable that
- the fuel cell 2 can be manufactured as follows. First, the electrode structure 10 is formed by the same method as in the first embodiment. Next, the meltable porous membrane 21A is joined to the cathode side exterior member 15, and the cathode side exterior member 15 is joined to the cathode electrode 11 so that the meltable porous membrane 21A is on the outside. Subsequently, the meltable porous membrane 21 ⁇ / b> B is joined to the anode side exterior member 16, and the anode side exterior member 16 is disposed so that the meltable porous membrane 21 ⁇ / b> B faces the anode electrode 13. Furthermore, the vaporizing chamber 18 is formed by combining the anode side exterior member 16 and the fuel supply member 17 and sealing with a sealant.
- meltable porous membranes 21A and 21B are thermally melted and the voids (pores) disappear. As a result, the supply of fuel and / or air is shut off, and abnormal heat generation is suppressed.
- the meltable porous membranes 21A and 21B are disposed outside the cathode side exterior member 15 and the anode side exterior member 16 and are separated from the electrode structure 10, so that the temperature of the electrode structure 10 is reduced.
- the detection sensitivity is inferior to that of the first embodiment, there are advantages in that the meltable porous membranes 21A and 21B can be exchanged after the ease of assembly and the shutdown function at the time of abnormal heat generation are exhibited.
- the fuel cell 3 of FIG. 4 is obtained by removing the fusible porous membrane 21A of the first embodiment to obtain only the fusible porous membrane 21B.
- the meltable porous film 21 ⁇ / b> B is provided between the anode electrode 13 of the electrode structure 10 and the anode side exterior member 17, so that the meltable porous film 21 ⁇ / b> B melts and deforms during abnormal heat generation. Then, the supply of methanol is cut off before the fuel methanol reaches the power generation unit.
- the fuel cell 7 in FIG. 8 is a combination of the first embodiment and the second embodiment.
- the meltable porous membrane 21A is disposed between the cathode electrode 11 and the cathode side exterior member 15 of the electrode structure 10, that is, adjacent to the cathode electrode 11, while the meltable porous membrane 21B is disposed on the anode side exterior member 16.
- the meltable porous membranes 21A and 21B are both melted and deformed to cut off the supply of air and the supply of fuel.
- Modification 6 The fuel cell 8 in FIG. 9 is also a combination of the first embodiment and the second embodiment.
- the meltable porous membrane 21A is disposed outside the cathode side exterior member 15, while the meltable porous membrane 21B is disposed between the anode electrode 13 and the anode side exterior member 16 of the electrode structure 10. Yes, the same effect as in Modification 5 can be obtained.
- meltable porous films 21A and 21B are provided in the vicinity of the electrode structure 10
- the positions of the meltable porous films 21A and 21B are the anode electrode 13 and the cathode electrode 11.
- a meltable porous membrane may be provided inside a fuel supply pipe (not shown) provided between a fuel tank (not shown) and the fuel supply member 17. In this case, when abnormal heat generation occurs, the fuel supply pipe is closed by the meltable porous membrane, and the fuel supply is stopped.
- the configuration of the electrode structure 10, the meltable porous films 21 ⁇ / b> A and 21 ⁇ / b> B, the cathode side exterior member 15, and the anode side exterior member 16 has been specifically described. You may make it comprise with the material of.
- the material and thickness of each component described in the above embodiment are not limited, and may be different.
- the liquid fuel may be other liquid fuels such as ethanol, isopropyl alcohol, butanol, and dimethyl ether in addition to the methanol used in the above embodiment. In that case, it is necessary to select a material that is not soluble in the selected liquid fuel for the meltable porous membranes 21A and 21B.
- the air supply to the cathode electrode 11 is natural ventilation, but it may be forcibly supplied using a pump or the like. In that case, oxygen or a gas containing oxygen may be supplied instead of air.
- the present invention can also be applied to a case where the fuel is supplied as a liquid.
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Abstract
Description
図1は、本発明の第1の実施の形態に係る燃料電池の構成を表したものである。この燃料電池1は、後述するように携帯型電子機器またはノートPC等に用いられるものであり、例えば、発電部としての電極構造体10を備えている。電極構造体10は、例えば、カソード電極(空気電極)11およびアノード電極(燃料電極)13の間に電解質膜12を備えたDMFCである。カソード電極11の外側にはカソード側外装部材15、アノード電極13の外側にはアノード側外装部材16がそれぞれ設けられている。
アノード電極13:CH3 OH+H2 O→CO2 +6H+ +6e-
カソード電極11:6H+ +(3/2)O2 +6e- →3H2 O
電極構造体10全体:CH3 OH+(3/2)O2 →CO2 +2H2 O
図3は、本発明の第2の実施の形態に係る燃料電池2の構成を表したものである。この燃料電池2では、溶融性多孔質膜21Aをカソード側外装部材15の外側、溶融性多孔質膜21Bをアノード側外装部材16の外側にそれぞれ配設したことを除いては、上記第1の実施の形態と同様の構成を有している。本実施の形態では、溶融性多孔質膜21A,21Bが、第1の実施の形態に比べて電極構造体10から離れた位置に配設されている。そのため、溶融性多孔質膜21A,21Bが電極構造体10の温度を素早く感知するように、カソード側外装部材15およびアノード側外装部材16の構成材料をより熱伝導性の高いアルミニウム(Al)などとすることが好ましい。
図4の燃料電池3は、第1の実施の形態の溶融性多孔質膜21Aを取り除いて、溶融性多孔質膜21Bのみとしたものである。この燃料電池3では、電極構造体10のアノード電極13とアノード側外装部材17との間に溶融性多孔質膜21Bが設けられているので、異常発熱時において溶融性多孔質膜21Bが溶融変形し、燃料であるメタノールが発電部に到達する前に供給を遮断する。
図5の燃料電池4は、第1の実施の形態の溶融性多孔質膜21Bを取り除いて、溶融性多孔質膜21Aのみとしたものである。この燃料電池4では、異常発熱時において燃料がアノード電極13まで到達してしまうが、電極構造体10のカソード電極11とカソード側外装部材15との間に溶融性多孔質膜21Aが設けられているので、この溶融性多孔質膜21Aが溶融変形し、空気の供給を停止する。そのため反応が停止し、更なる発熱が抑制される。
図6の燃料電池5は、第2の実施の形態の溶融性多孔質膜21Aを取り除いて、溶融性多孔質膜21Bのみとしたもので、変形例1と同様の効果が得られる。
図7の燃料電池6は、第2の実施の形態の溶融性多孔質膜21Bを取り除いて溶融性多孔質膜21Aのみとしたもので、変形例2と同様の効果が得られると共に、溶融性多孔質膜21Aの交換も可能となる。
図8の燃料電池7は、第1の実施の形態と第2の実施の形態とを組み合わせたものである。溶融性多孔質膜21Aを電極構造体10のカソード電極11とカソード側外装部材15との間、すなわちカソード電極11に隣接して配設する一方、溶融性多孔質膜21Bをアノード側外装部材16の外側に配設したものであり、異常発熱時には溶融性多孔質膜21A, 21Bがともに溶融変形し、空気の供給と燃料の供給とを遮断する。
図9の燃料電池8も、第1の実施の形態と第2の実施の形態とを組み合わせたものである。溶融性多孔質膜21Aをカソード側外装部材15の外側に配設する一方、溶融性多孔質膜21Bを電極構造体10のアノード電極13とアノード側外装部材16との間に配設したものであり、変形例5と同様の効果が得られる。
Claims (7)
- アノード電極およびカソード電極の間に電解質膜を有する電極構造体と、
前記電極構造体の前記アノード電極およびカソード電極の少なくとも一方の前記電解質膜とは反対側に配設された溶融性多孔質膜と
を備えた燃料電池。 - 前記電極構造体の前記カソード電極側には、酸素供給孔を有するカソード側外装部材が配設される一方、前記アノード電極側には燃料供給孔を有するアノード側外装部材が配設されており、
前記溶融性多孔質膜は、
前記電極構造体と前記アノード側外装部材との間、前記電極構造体と前記カソード側外装部材との間、前記アノード側外装部材の外側、および前記カソード側外装部材の外側のうちの少なくともいずれか1カ所に配設されている
請求項1記載の燃料電池。 - 前記アノード側外装部材に対向配置された燃料供給部材と、
前記アノード側外装部材および前記燃料供給部材で囲まれた気化室と
を備えた請求項2記載の燃料電池。 - 前記溶融性多孔質膜は、燃料への溶解性のない樹脂により構成されている
請求項1記載の燃料電池。 - 前記溶融性多孔質膜は、多孔質フィルムにポリオレフィン系ワックスを含浸または積層したものにより構成されている
請求項1記載の燃料電池。 - 前記溶融性多孔質膜の溶融温度は、60℃以上120℃以下である
請求項4または5記載の燃料電池。 - 燃料電池を備え、前記燃料電池が、
アノード電極およびカソード電極の間に電解質膜を有する電極構造体と、
前記電極構造体の前記アノード電極およびカソード電極の少なくとも一方の前記電解質膜とは反対側に配設された溶融性多孔質膜と
を備えた電子機器。
Priority Applications (2)
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---|---|---|---|
CN2009801401073A CN102177608A (zh) | 2008-10-17 | 2009-10-14 | 燃料电池和电子设备 |
US13/122,842 US20110195330A1 (en) | 2008-10-17 | 2009-10-14 | Fuel cell and electronic device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2008-268839 | 2008-10-17 | ||
JP2008268839A JP2010097867A (ja) | 2008-10-17 | 2008-10-17 | 燃料電池および電子機器 |
Publications (1)
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WO2010044415A1 true WO2010044415A1 (ja) | 2010-04-22 |
Family
ID=42106578
Family Applications (1)
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---|---|---|---|
PCT/JP2009/067771 WO2010044415A1 (ja) | 2008-10-17 | 2009-10-14 | 燃料電池および電子機器 |
Country Status (4)
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US (1) | US20110195330A1 (ja) |
JP (1) | JP2010097867A (ja) |
CN (1) | CN102177608A (ja) |
WO (1) | WO2010044415A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2013089404A (ja) * | 2011-10-17 | 2013-05-13 | Shiseido Co Ltd | パッシブ型燃料電池及び液体燃料供給部材 |
JP2015111494A (ja) * | 2012-03-29 | 2015-06-18 | 三洋電機株式会社 | 燃料貯蔵体 |
CN102842730B (zh) * | 2012-09-27 | 2015-01-07 | 山西金能世纪科技有限公司 | 全钒液流电池 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004296348A (ja) * | 2003-03-27 | 2004-10-21 | Kyocera Corp | 燃料電池用容器および燃料電池 |
JP2008084609A (ja) * | 2006-09-26 | 2008-04-10 | Toshiba Corp | 燃料電池 |
JP2008192461A (ja) * | 2007-02-05 | 2008-08-21 | Sony Corp | 燃料電池およびこれを備えた電子機器 |
JP2009081111A (ja) * | 2007-09-27 | 2009-04-16 | Sony Corp | 燃料電池 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0603500B1 (en) * | 1992-12-21 | 1998-09-09 | Mitsubishi Chemical Corporation | Porous film or sheet, battery separator and lithium battery |
US20040146772A1 (en) * | 2002-10-21 | 2004-07-29 | Kyocera Corporation | Fuel cell casing, fuel cell and electronic apparatus |
US20050100794A1 (en) * | 2003-11-06 | 2005-05-12 | Tiax, Llc | Separator for electrochemical devices and methods |
JP4853701B2 (ja) * | 2005-10-27 | 2012-01-11 | 富士通株式会社 | 燃料電池 |
-
2008
- 2008-10-17 JP JP2008268839A patent/JP2010097867A/ja not_active Abandoned
-
2009
- 2009-10-14 CN CN2009801401073A patent/CN102177608A/zh active Pending
- 2009-10-14 WO PCT/JP2009/067771 patent/WO2010044415A1/ja active Application Filing
- 2009-10-14 US US13/122,842 patent/US20110195330A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004296348A (ja) * | 2003-03-27 | 2004-10-21 | Kyocera Corp | 燃料電池用容器および燃料電池 |
JP2008084609A (ja) * | 2006-09-26 | 2008-04-10 | Toshiba Corp | 燃料電池 |
JP2008192461A (ja) * | 2007-02-05 | 2008-08-21 | Sony Corp | 燃料電池およびこれを備えた電子機器 |
JP2009081111A (ja) * | 2007-09-27 | 2009-04-16 | Sony Corp | 燃料電池 |
Also Published As
Publication number | Publication date |
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CN102177608A (zh) | 2011-09-07 |
US20110195330A1 (en) | 2011-08-11 |
JP2010097867A (ja) | 2010-04-30 |
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