WO2006013892A1 - 燃料電池装置及びそれを搭載した携帯用電子機器 - Google Patents
燃料電池装置及びそれを搭載した携帯用電子機器 Download PDFInfo
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- WO2006013892A1 WO2006013892A1 PCT/JP2005/014210 JP2005014210W WO2006013892A1 WO 2006013892 A1 WO2006013892 A1 WO 2006013892A1 JP 2005014210 W JP2005014210 W JP 2005014210W WO 2006013892 A1 WO2006013892 A1 WO 2006013892A1
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- Prior art keywords
- fuel cell
- fuel
- generated water
- chamber
- generated
- 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
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
- H01M8/04119—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
- H01M8/04126—Humidifying
- H01M8/04141—Humidifying by water containing exhaust gases
-
- 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
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04186—Arrangements for control of reactant parameters, e.g. pressure or concentration of liquid-charged or electrolyte-charged reactants
- H01M8/04194—Concentration measuring cells
-
- 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
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04291—Arrangements for managing water in solid electrolyte fuel cell systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
- H01M2250/30—Fuel cells in portable systems, e.g. mobile phone, laptop
-
- 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
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
- H01M8/04216—Reactant storage and supply, e.g. means for feeding, pipes characterised by the choice for a specific material, e.g. carbon, hydride, absorbent
-
- 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
- H01M8/1011—Direct alcohol fuel cells [DAFC], e.g. direct methanol fuel cells [DMFC]
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/10—Applications of fuel cells in buildings
-
- 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 device and a portable electronic device equipped with the fuel cell device.
- a portable electronic device that a user carries in a clothes bag such as a mobile phone or a notebook personal computer.
- the present invention relates to a fuel cell device suitable for use in a portable electronic device and a portable electronic device equipped with the fuel cell device.
- FIG. 1 is a diagram showing a basic configuration of this type of conventional fuel cell.
- this fuel cell 10 includes a positive electrode side gas chamber 11, a positive electrode 12, a negative electrode side gas chamber 13, a negative electrode 14, and an electrolyte layer 15 sandwiched between the positive electrode 12 and the negative electrode 14. have.
- a positive electrode active material (oxidant such as air or oxygen) is taken into the positive electrode side gas chamber 11, and a given negative electrode active material (for example, fuel made of methanol or the like) is supplied to the negative electrode side gas. It is taken into chamber 13. Then, an electromotive force e is generated between the positive electrode 12 and the negative electrode 14 while discharging the reaction product from the positive electrode side gas chamber 11, the negative electrode side gas chamber 13, and the electrolyte layer 15. To do. In this case, water is generated as a reaction product from the positive electrode side gas chamber 11.
- oxidant such as air or oxygen
- the reforming raw material liquid supplied to the methanol reformer for a fuel cell is already in the reforming raw material liquid storage tank. Knoll and water are stored in a state adjusted at a predetermined ratio. For this reason, even in a cold region, the reforming raw material liquid does not freeze, so that the fuel cell system is stably operated. Further, since the water generated in the fuel cell is collected in the reforming raw material liquid storage tank, it is not necessary to store water in order to adjust the reforming raw material liquid. Therefore, the fuel cell system is reduced in size and weight. Further, since the mixing ratio of methanol and water in the reforming raw material liquid is stabilized, the amount of hydrogen gas obtained from the methanol reformer is stabilized, and the power generation amount is stabilized.
- the device may not work. Therefore, in order to use it efficiently, it is necessary to adjust the power generation amount of the fuel cell according to the power consumption of the load. Also, components such as ICs inside portable electronic devices In order to suppress heat, measures such as using a heat conductive sheet are often taken, but such a method takes up space in the device, making it difficult to reduce the size. There is a point.
- the present invention is configured differently from the apparatus described in Japanese Patent Application Laid-Open No. 2003-331885 or Japanese Patent Application Laid-Open No. Hei 8-91804, and in view of the above circumstances, the generated water of the fuel cell is recovered and the IC
- An object of the present invention is to provide a fuel cell device that is configured to suppress heat generation of components such as, and that can be easily used in portable electronic devices.
- a fuel cell device of the present invention includes a fuel cell that generates electric power by reducing fuel and supplies it to a load, and a generation generated by reducing the fuel from the fuel cell. And a power generation adjusting means for adjusting the power generation of the fuel cell by collecting the water, mixing the generated water and the fuel at a mixing ratio according to the magnitude of the power consumption of the load, and supplying the mixed fuel to the fuel cell. It is characterized by that.
- the fuel cell device having such a configuration can be easily used for a portable electronic device stored in a user's clothes or bag that does not require the generated water to be discharged to the outside.
- wasteful power is not generated, heat generation can be suppressed, and efficiency can be improved.
- the power generation adjusting means includes a fuel storage chamber that stores fuel to be supplied to the fuel cell, a generated water recovery chamber that recovers fuel cell power generated water, and a fuel stored in the fuel storage chamber.
- the generated water collected in the generated water recovery chamber is mixed according to the power consumption of the load.
- Mixing ratio adjusting means for mixing and supplying to the fuel cell may be provided.
- the mixing ratio adjusting means includes a mixing chamber that mixes fuel and generated water, and a fuel-side flow rate that flows the fuel stored in the fuel storage chamber into the mixing chamber at a flow rate proportional to the power consumption of the load. There is also an adjustment unit and a generated water side flow rate adjusting unit that flows the generated water collected in the generated water recovery chamber into the mixing chamber at a flow rate that is inversely proportional to the power consumption of the load.
- a recovery path for recovering the generated water from the fuel cell to the generated water recovery chamber may be provided.
- the generated water can be efficiently recovered.
- the recovery path may be provided so as to contact the periphery of the fuel cell. In this case, even when the power consumption is changed to high power or low power, the generated water of the fuel cell flows into the recovery path, the fuel cell is cooled, heat generation is suppressed, and high efficiency can be obtained.
- a portable electronic device of the present invention is equipped with the fuel cell device having any one of the above-described configurations.
- the portable electronic device of the present invention includes the circuit board on which the fuel cell device having the above-described configuration is mounted and the heat generating component is mounted, and the recovery path is a heat generating component mounted on the circuit board. It is provided to be in contact with the les. When the generated water of the fuel cell flows into the recovery path, the heat generating components are cooled, heat generation can be suppressed, and the portable electronic device can be easily downsized.
- FIG. 1 is a diagram showing a basic configuration of a conventional fuel cell.
- FIG. 2 is a diagram showing a configuration of a fuel cell device according to a first embodiment of the present invention.
- FIG. 3 is a block diagram showing an example of the electrical configuration of a portable electronic device in which the fuel cell device shown in FIG. 2 is mounted.
- FIG. 4 is a flowchart for explaining the operation of the mobile phone shown in FIG.
- FIG. 5 is a diagram showing a configuration of a fuel cell device according to a second embodiment of the present invention.
- FIG. 6 is a diagram showing a configuration of a fuel cell device according to a third embodiment of the present invention.
- FIG. 7 is a cross-sectional view taken along line AA in FIG.
- FIG. 8 is a view showing an example of a fuel supply cartridge.
- the produced water is collected from the fuel cell in the produced water collection chamber, and the collected produced water and fuel are mixed at a mixing ratio according to the power consumption of the portable electronic device.
- the power generated by the fuel cell is adjusted and the generated power of the portable electronic device is cooled by the generated water.
- FIG. 2 is a configuration diagram showing a main part of the fuel cell device 20 according to the first embodiment of the present invention.
- the fuel cell device 20 of the present embodiment includes a fuel storage chamber 21, a generated water recovery chamber 22, a mixing chamber 23, a fuel cell 24, flow rate adjustment nozzles 25 and 26, and a supply.
- the nozzle 27 for recovery and the nozzle 28 for recovery are comprised.
- the fuel storage chamber 21 stores fuel (for example, methanol) F to be supplied to the fuel cell 24.
- the generated water recovery chamber 22 recovers the generated water W generated by the reduction of the fuel F from the fuel cell 24. Further, the generated water recovery chamber 22 is provided with a water supply port 22a for supplying water at the start of initial use.
- the flow rate adjusting nozzles 25 and 26 have a function of controlling the liquid flow rate based on the control signals g and h (see FIG. 3).
- the flow rate adjustment nozzle 25 then flows the generated water W recovered in the generated water recovery chamber 22 into the mixing chamber 23 at a flow rate that is inversely proportional to the amount of power consumed by the load L connected to the fuel cell 24.
- the “load” refers to a device that consumes electric power, and particularly, in this embodiment, refers to a portable electronic device such as a cellular phone 40 (see FIG. 3) described later.
- the flow rate adjustment nozzle 26 flows the fuel F stored in the fuel storage chamber 21 into the mixing chamber 23 at a flow rate proportional to the magnitude of the power consumption of the load L.
- the mixing chamber 23 mixes the produced water W fed through the flow rate adjustment nozzle 25 and the fuel F fed through the flow rate adjustment nozzle 26 into a mixed fuel M.
- the supply nozzle 27 is a one-way nozzle (check valve), and supplies the mixed fuel M in the mixing chamber 23 to the fuel cell 24.
- the fuel cell 24 has an air suction port 24 a, a power generation cell 29, and an electrode 30, generates electric power by reducing the fuel F contained in the mixed fuel M, and supplies it to the load L.
- the electric power generated is adjusted according to the concentration of the mixed fuel M. That is, when the mixed fuel M has a high concentration, the reaction in the power generation cell 29 increases, so that high power can be obtained, and when the concentration is low, the reaction hardly occurs. The generated power is low.
- the recovery nozzle 28 is a one-way nozzle and supplies the generated water W from the fuel cell 24 to the generated water recovery chamber 22.
- FIG. 3 is a block diagram showing an example of the electrical configuration of a portable electronic device equipped with the fuel cell device 20 shown in FIG.
- This portable electronic device is a mobile phone 40, and as shown in FIG. 3, a power wholesale control circuit 41, a driver (Driver) 42, a display unit 43, a camera unit (Camera) 4 4 and a regulator.
- the fuel cell device 20 has a flow rate adjustment control circuit 31 in addition to the components shown in FIG.
- the driver 42 is composed of an audio amplifier (Audio AMP) for driving the speaker 48, a driving circuit for driving an unillustrated resistor, a vibrator (Vibrator), and the like.
- the display unit 43 is composed of a liquid crystal display (LCD), for example, and displays various types of information.
- the camera unit 44 is composed of a CCD camera, for example, and captures an image in the vicinity of the mobile phone 40.
- the regulators 45 and 46 are constituted by, for example, a DC / DC converter or the like, and convert the power supply voltage from the power supply control circuit 41 into a predetermined voltage.
- the regulator 45 supplies the converted voltage to the transmission / reception unit 50, and the regulator 46 supplies the converted voltage to the power amplifier 51.
- the microphone 47 captures the voice of the user during a call.
- the speaker 48 audibly notifies the user of an incoming call by ringing a ring tone and utters a call voice.
- the baseband unit 49 includes, for example, an audio signal compression / decompression circuit and a pre-emphasis / de-emphasis circuit that compensates for attenuation of the treble part, and performs various signal processing for wireless transmission.
- the transmission / reception unit 50 performs wireless signal transmission / reception processing via the buffers 51 and 52 and the antenna 53.
- the power amplifier 51 transmits a transmission signal T from the transmission / reception unit 50 as a transmission radio wave via the antenna 53.
- the buffer 52 receives a radio signal by the wave W received by the antenna 53 with a high input impedance, and sends it as a received signal R to the transmission / reception unit 50 with a low output impedance.
- the antenna 53 transmits and receives radio waves W to and from a radio base station (not shown).
- the power supply control circuit 41 displays, for example, the power supply voltage from the fuel cell 24, the driver 42, and the display.
- the power is supplied to the unit 43, the camera unit 44, and the regulators 45 and 46, and the overall power consumption is detected and a control signal f corresponding to the power consumption is sent to the flow rate adjustment control circuit 31.
- the flow rate adjustment control circuit 31 controls the flow rate adjustment nozzles 25 and 26 based on the control signal f from the power supply control circuit 41.
- FIG. 4 is a flowchart for explaining the operation of the mobile phone 40 shown in FIG. The operation of the mobile phone 40 will be described with reference to FIG.
- the produced water W generated by the reduction of the fuel F is recovered from the fuel cell 24, and the produced water W and the fuel F are mixed according to the current consumption of the mobile phone 40.
- the power generated by the fuel cell 24 is adjusted by being mixed at a ratio and supplied to the fuel cell 24.
- step 101 the power consumption is small when the camera unit 44 and other functions are not working.
- steps 102 and 103 the control signal f is transmitted from the power supply control circuit 41, and the flow rate adjustment control circuit 31 receives it.
- step 104 the control signal g from the flow rate adjustment control circuit 31 opens the flow rate adjustment nozzle 25 on the generated water recovery chamber 22 side, and the control signal h from the flow rate adjustment control circuit 31 sets the fuel storage chamber 21 side.
- the flow adjustment nozzle 26 is throttled. Accordingly, in step 105, a low-concentration mixed fuel M is generated.
- step 106 the fuel cell 24 generates low power corresponding to the standby state by the low-concentration mixed fuel M.
- step 101 for example, when the camera unit 44, the transmission / reception unit 50, and the like are used, higher power is required than in the standby state.
- steps 107 and 108 power is generated to operate the camera unit 44, the transceiver unit 50, etc.
- a control signal f is transmitted from the power supply control circuit 41, and the flow rate adjustment control circuit 31 receives it.
- step 109 the flow rate adjustment nozzles 25, 26 are controlled by the control signals g and h from the flow rate adjustment control circuit 31 so that the fuel concentration required for the operation of the camera unit 44 and the transmission / reception unit 50 is obtained. Is adjusted. Specifically, the flow rate adjustment nozzle 25 is throttled and the flow rate adjustment nozzle 26 is opened.
- step 110 A large amount of fuel F is supplied to the mixing chamber 23.
- step 110 a highly concentrated mixed fuel M is generated and supplied to the fuel cell 24.
- step 111 the fuel cell 24 generates high power necessary for the operation of the camera unit 44, the transmission / reception unit 50, etc., and supplies it to the mobile phone 40.
- the supplied mixed fuel M is reduced in the power generation cell 29 to generate positive ions (hydrogen ions, H +), and the hydrogen ions (H +) force from the air suction port 24a. Reacts with oxygen in the air to produce water (product water W). The generated power is also extracted from the electrode 30. The produced water W is collected in the produced water collection chamber 22 through the collection nozzle 28 and reused for adjusting the concentration of the mixed fuel M. If the functions of the camera unit 44 and the transmission / reception unit 50 continue in step 112, the process returns to step 110, where high-concentration mixed fuel M is generated and high power is generated (step 111). It is done repeatedly.
- step 112 when the functions of the camera unit 44 and the transmission / reception unit 50 are stopped in step 112, the operation ends when the power is turned off in step 113. However, if the power remains in the ON state in Step 113, the process proceeds to Step 102, and Steps 102 to 106 are repeated, and the low power standby state continues.
- the produced water W from the fuel cell 24 is collected in the produced water collection chamber 22, and the collected produced water W and the fuel F are flow-regulated.
- the fuel is supplied to the mixing chamber 23 through 25 and 26 and mixed at a mixing ratio corresponding to the power consumption of the mobile phone 40 to produce a mixed fuel M.
- the mixed fuel M is supplied to the fuel cell 24.
- the power generation of the fuel cell 24 is adjusted by using the mixed fuel M mixed at a mixing ratio corresponding to the power consumption of the mobile phone 40, the functions used by the mobile phone 40 are used. Even if the value changes, wasteful power is not generated, heat generation is suppressed, and The rate is improved.
- the generated water W of the fuel cell 24 is supplied to the generated water recovery chamber 22 only through the recovery nozzle 28, so that recovery may be inefficient.
- the second embodiment described below improves this problem.
- FIG. 5 is a configuration diagram showing the main part of the fuel cell device according to the second embodiment of the present invention.
- the same reference numerals are assigned to the same components as those in the first embodiment.
- a product water recovery chamber 22A and a fuel cell 24A having different configurations are provided instead of the product water recovery chamber 22 and the fuel cell 24 in FIG. 2, a product water recovery chamber 22A and a fuel cell 24A having different configurations are provided.
- a collection path 63 is newly provided.
- the generated water recovery chamber 22A is provided with a recovery nozzle 61 configured with a check valve and the like
- the fuel cell 24A is provided with a recovery nozzle 62 configured with a check valve and the like.
- the product water recovery chamber 22A and the fuel cell 24A are connected to the force recovery nozzle 61, the recovery path 63, and the recovery nozzle 62.
- the recovery path 63 is for recovering the generated water W from the fuel cell 24 to the generated water recovery chamber 22A.
- the rest of the configuration is the same as that shown in FIG. 2 and will not be described.
- the produced water W of the fuel cell 24 is recovered in the generated water recovery chamber 22A via the recovery nodule 61, the recovery path 63, and the recovery nozzle 62 that pass only by the recovery nose 28. Therefore, the generated water W can be collected efficiently.
- the mixed fuel M already present in the mixing chamber 23 at that time is high in concentration. so is there. That is, there is a certain time lag until the amount of power generation is reduced by supplying the low-concentration mixed fuel M from the mixing chamber 23. Accordingly, there is a problem that even when the load current is small, there is a moment when a large amount of power is generated from the fuel cell 24, and at that time, heat is generated and efficiency is lowered.
- FIG. 6 is a configuration diagram showing a main part of a fuel cell device according to a third embodiment of the present invention
- FIG. 7 is a cross-sectional view taken along line A_A in FIG.
- Components similar to those in the first and second embodiments are denoted by common reference numerals.
- the fuel cell device 20B of the present embodiment instead of the generated water recovery chamber 22A, the fuel cell 24A, and the recovery path 63 of FIG. A battery 24B and a recovery path 63A are provided, and the recovery nozzle 28 is omitted.
- the connection port with the recovery nozzle 28 is removed.
- the connection port with the collection nozzle 28 is removed, and a collection nozzle 62A is provided.
- the outer periphery of the fuel cell 24B is provided in contact with the outer peripheral surface of the recovery path 63B force.
- the generated water W of the fuel cell 24B flows into the recovery path 63B via the recovery nozzle 62A.
- a recovery path 63B is connected to the recovery path 63A via a recovery nozzle 62A, and the generated water W of the fuel cell 24B is recovered to the generated water recovery chamber 22B.
- the recovery path 63A is formed in a meandering pattern, for example, and is provided so as to come into contact with the heat generating component mounted on the circuit board 70.
- heat generating components inside the portable electronic device such as the regulators 45 and 46 and the power amplifier 51 shown in FIG. 3 are mounted. The rest of the configuration is the same as that shown in FIG.
- the produced water W that has flowed into the recovery path 63B cools the fuel cell 24B. Therefore, even when the power consumption of the portable electronic device changes from high power to low power, the fuel cell 24B is cooled, so that heat generation is suppressed and high efficiency is obtained.
- the recovery path 63A for recovering the generated water W in the generated water recovery chamber 22B is in contact with the heat generating components mounted on the circuit board 70, these heat generating components are cooled and heat generation is suppressed.
- the portable electronic device can be easily downsized.
- Fuel F is not limited to methanol, but can be easily protonated by reduction, such as hydrogen or ethanol.
- Any material that can form (positive ions) may be used.
- Recovery of the generated water W of the fuel cell 24 shown in FIG. 2 into the generated water recovery chamber 22 may be performed mechanically using a pump or the like. Gas is filled in the fuel cell 24. Alternatively, the gas pressure may be used.
- a mixing mechanism such as a rotor may be provided in the mixing chamber 23.
- the fuel storage chamber 21 and the generated water recovery chamber 22 shown in Fig. 2 may be detachable.
- the fuel storage chamber 21 and the generated water recovery chamber 22 are integrated with the mobile phone 40, it is necessary to provide a fuel supply port in the fuel storage chamber 21.
- a fuel supply cartridge 80 shown in FIG. 8 may be used in place of the fuel storage chamber 21 and the generated water recovery chamber 22 in FIG.
- the fuel supply cartridge 80 includes a fuel storage chamber 81, a generated water recovery chamber 82, pistons 83 and 84, a connecting rod 85, a supply nose, and a nose 86.
- the product water recovery quality 82 has an air opening 87.
- a gas G such as air is filled on the upper side of the piston 83, and a fuel F is filled on the lower side of the piston 83.
- the connecting rod 85 connects the pistons 83 and 84 and has flexibility, but cannot expand and contract, and advances and retreats between the fuel storage chamber 81 and the generated water recovery chamber 82 through the through hole 82b. It has as much rigidity as possible.
- the amount of the fuel F in the fuel storage chamber 81 decreases as the fuel F is consumed, so that the piston 83 moves downward and the piston 84 moves upward due to the pressure of the gas G. To do.
- the internal pressure of the fuel cell 24 decreases, and the generated water W is recovered into the generated water recovery chamber 82.
- the present invention is not limited to the cellular phone 40, and can be applied to all portable electronic devices that require continuous use for a long time from the user, such as notebook personal computers, MD (mini-disc) players, and portable video cameras.
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Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05768512A EP1793439A4 (en) | 2004-08-04 | 2005-08-03 | FUEL CELL INSTALLATION AND MOBILE ELECTRONIC DEVICE THEREFOR |
JP2006531517A JP4666176B2 (ja) | 2004-08-04 | 2005-08-03 | 燃料電池装置及びそれを搭載した携帯用電子機器 |
US11/572,939 US20080193813A1 (en) | 2004-08-04 | 2005-08-03 | Fuel Cell Device and Mobile Electronic Device with the Same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004228741 | 2004-08-04 | ||
JP2004-228741 | 2004-08-04 |
Publications (1)
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WO2006013892A1 true WO2006013892A1 (ja) | 2006-02-09 |
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PCT/JP2005/014210 WO2006013892A1 (ja) | 2004-08-04 | 2005-08-03 | 燃料電池装置及びそれを搭載した携帯用電子機器 |
Country Status (5)
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US (1) | US20080193813A1 (ja) |
EP (1) | EP1793439A4 (ja) |
JP (1) | JP4666176B2 (ja) |
CN (1) | CN1993852A (ja) |
WO (1) | WO2006013892A1 (ja) |
Cited By (3)
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JP2006073312A (ja) * | 2004-09-01 | 2006-03-16 | Sony Corp | 燃料電池発電装置 |
JP2008219757A (ja) * | 2007-03-07 | 2008-09-18 | Nec Corp | 移動体通信機器及び移動体通信機器における冷却方法 |
JP2015176645A (ja) * | 2014-03-13 | 2015-10-05 | ダイハツ工業株式会社 | 燃料電池システム |
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US8377603B2 (en) | 2009-02-27 | 2013-02-19 | Research In Motion Limited | Attachment for a fuel tank of a fuel cell powered system and electronic portable device equipped therewith |
CN102142568A (zh) * | 2010-01-29 | 2011-08-03 | 扬光绿能股份有限公司 | 加湿单元及燃料匣 |
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JP2003331885A (ja) * | 2002-05-17 | 2003-11-21 | Daihatsu Motor Co Ltd | 燃料電池装置 |
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- 2005-08-03 EP EP05768512A patent/EP1793439A4/en not_active Withdrawn
- 2005-08-03 WO PCT/JP2005/014210 patent/WO2006013892A1/ja active Application Filing
- 2005-08-03 JP JP2006531517A patent/JP4666176B2/ja not_active Expired - Fee Related
- 2005-08-03 CN CNA200580026430XA patent/CN1993852A/zh active Pending
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JP2002530817A (ja) * | 1998-11-12 | 2002-09-17 | バラード パワー システムズ インコーポレイティド | 起動可能出力を改良した燃料電池システム |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2006073312A (ja) * | 2004-09-01 | 2006-03-16 | Sony Corp | 燃料電池発電装置 |
JP2008219757A (ja) * | 2007-03-07 | 2008-09-18 | Nec Corp | 移動体通信機器及び移動体通信機器における冷却方法 |
JP2015176645A (ja) * | 2014-03-13 | 2015-10-05 | ダイハツ工業株式会社 | 燃料電池システム |
Also Published As
Publication number | Publication date |
---|---|
US20080193813A1 (en) | 2008-08-14 |
JPWO2006013892A1 (ja) | 2008-05-01 |
JP4666176B2 (ja) | 2011-04-06 |
EP1793439A4 (en) | 2007-10-24 |
CN1993852A (zh) | 2007-07-04 |
EP1793439A1 (en) | 2007-06-06 |
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