JP4028603B2 - Equipment for mounting the fuel cell device - Google Patents

Equipment for mounting the fuel cell device Download PDF

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JP4028603B2
JP4028603B2 JP01854496A JP1854496A JP4028603B2 JP 4028603 B2 JP4028603 B2 JP 4028603B2 JP 01854496 A JP01854496 A JP 01854496A JP 1854496 A JP1854496 A JP 1854496A JP 4028603 B2 JP4028603 B2 JP 4028603B2
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fuel cell
hydrogen
water
equipment
mounting
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JPH09213359A (en
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誠 内田
信夫 江田
裕子 福岡
靖 菅原
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松下電器産業株式会社
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/50Fuel cells
    • Y02E60/52Fuel cells characterised by type or design
    • Y02E60/521Proton Exchange Membrane Fuel Cells [PEMFC]

Description

【0001】 [0001]
【発明の属する技術分野】 BACKGROUND OF THE INVENTION
本発明は、ノート型パソコン等のポータブル機器に搭載するための電源システムであって、燃料として水素を用い、空気を酸化剤とする超小型の固体高分子型燃料電池を用いた電源システムに関するものである。 The present invention relates to a power supply system for mounting to a portable equipment such as a notebook personal computer, using hydrogen as a fuel, relates the power system using a miniature of a polymer electrolyte fuel cell using air and an oxidizing agent it is.
【0002】 [0002]
【従来の技術】 BACKGROUND OF THE INVENTION
ポータブル電源として燃料電池を用いた例は、例えば特開平4−308662号公報や特開平6−60894号公報に記載されている一連の先行技術があるが、これはリン酸型燃料電池を水素吸蔵合金より供給される水素と空気で駆動する構成を開示している。 Example using the fuel cell as a portable power source is a series of prior art disclosed in Japanese Unexamined Patent Publication No. 4-308662 and JP 6-60894, which hydrogen-absorbing phosphoric acid fuel cell It discloses an arrangement for driving at hydrogen and air supplied from the alloy. また特開昭54−22537号公報や特開平2−260371号公報には、固体高分子型燃料電池を水素吸蔵合金より供給される水素と空気で駆動する構成が開示されている。 Also JP-A-54-22537 and JP 2-260371, configured to drive the solid polymer fuel cell with hydrogen and air supplied from the hydrogen storage alloy is disclosed. さらにポータブルではないが、搬送可能な小型電源として、米国特許5200278号には、生成水を回収し、冷却水と加湿水に用いる固体高分子型燃料電池のシステムが開示されている。 While still not a portable, as transportable small power source, U.S. Patent No. 5200278, the generated water was collected, the system of the solid polymer fuel cell using the humidification water and the cooling water is disclosed.
【0003】 [0003]
固体高分子型燃料電池は、電解質に固体高分子電解質であるイオン交換膜を用いており、その一般的な構成を図18に示す。 Polymer electrolyte fuel cell is using an ion exchange membrane is a solid polymer electrolyte as the electrolyte, showing its general configuration in Figure 18. このイオン交換膜51を用いた構成では、上記膜51の両面に正極52ならびに負極53を層状に形成し、これらを併せて単位電池54が構成される。 In the configuration using the ion-exchange membrane 51, the positive electrode 52 and negative electrode 53 are formed in layers on both sides of the membrane 51, the unit cell 54 is formed along these. 水素を燃料とした場合、負極では触媒と高分子電解質の接触界面において、以下のような反応が起こる。 When hydrogen is used as the fuel, at the contact interface between the catalyst and the polymer electrolyte in the negative electrode, the following reaction occurs.
【0004】 [0004]
2 → 2H + + 2e - H 2 → 2H + + 2e -
酸素を酸化剤とした場合、正極では同様に1/2O 2 + 2H + + 2e - = H 2 When the oxygen with an oxidizing agent, like in the positive electrode 1 / 2O 2 + 2H + + 2e - = H 2 O
の反応が起こり、水が生成される。 The following reaction occurs, water is generated. 触媒は反応の活性点となり、電極層は上記反応の電子の伝導体であり、高分子電解質は水素イオンの伝導体となる。 The catalyst becomes active sites of the reaction, the electrode layer is an electron in the conduction of the reaction, the polymer electrolyte is a conductor of hydrogen ions. ただし、高分子電解質は含水して初めて実用的なイオン透過性を持つ。 However, the polymer electrolyte has a first practical ion permeability and water. したがって、固体高分子型燃料電池を用いた電源システムとして特徴的に、この高分子電解質を加湿する方法が広く検討されている。 Thus characteristically as a power supply system using the solid polymer type fuel cell, a method of humidifying the polymer electrolyte it has been studied extensively. 上記単位電池54は、図19に示すようなセパレータ板55とガスケット56を用いて直列に接続され、図20に示すような積層体57を形成してエンドプレート58で締め付けて一つの発電ユニットとなる。 The unit cells 54 are connected in series with the separator plate 55 and the gasket 56 as shown in FIG. 19, and one of the power generation unit to tighten the end plates 58 to form a laminate 57 as shown in FIG. 20 Become. 米国特許5252410号では、燃料および酸化剤の加湿部は上記積層体57の発電部とエンドプレート58で一体に構成されている。 In U.S. Patent No. 5252410, the humidification portion of the fuel and oxidizer is formed integrally with the power generation unit and the end plate 58 of the laminate 57. この加湿部は、イオン交換膜51の一方の面に燃料または酸化剤を供給し、他方に水を供給して、膜が水分だけを透過する性質を利用して上記燃料または酸化剤をそれぞれ加湿している。 The humidifier supplies the one side to the fuel or oxidant ion exchange membrane 51, and the other to the feed water, each humidifying membrane moisture only by utilizing the property of transmitting the fuel or oxidant to doing. 加湿方法は、他にも色々提案されており、特開平5−54900号公報に記載の加湿方法は、燃料または酸化剤ガスの供給通路内に加圧水の噴霧ノズルを有する動力噴霧器、あるいは極微小化した霧の生成水面を有する超音波加湿器を持つ構成である。 Humidifying method is also variously proposed other, the humidification method described in JP-A-5-54900, the power sprayer having a spray nozzle for pressurized water to the fuel or supply passage of the oxidizing gas, or extremely small reduction a structure having an ultrasonic humidifier with production water of the mist. 特開平6−338338号公報に記載の加湿方法は、セパレータ板と単位電池との間に多孔性の燃料配流板あるいは酸化剤配流板を設置し、配流板内部に水を供給して、同配流板の微細孔を介して加湿する構成である。 Humidification method described in JP-A-6-338338 has established a porous fuel distribution plate or oxidant distribution plate between the separator plate and the unit cells, to supply water to the interior flow distribution plate, said flow distribution it is configured to humidify through micropores of the plate. また特開平7−245116号公報には、積層電池のスタック内に中空糸膜を用いた加湿装置を設置して燃料電池をコンパクト化する内容が開示されている。 Also JP-A-7-245116, the contents of compact fuel cells by installing a humidifier using a hollow fiber membrane in a stack of laminated cells is disclosed.
【0005】 [0005]
【発明が解決しようとする課題】 [Problems that the Invention is to Solve
しかしながら、上記従来のポータブル燃料電池や固体高分子型燃料電池システムの構成では、ポータブル機器に搭載するための構成や、コンパクト化するための構成が考慮されていなかった。 However, in the configuration of the conventional portable fuel cells and polymer electrolyte fuel cell system, configuration or for mounting on portable equipment, configuration for compact it is not considered. 例えば特開平4−308662号公報や6−60894号公報に記載されている一連の技術では、水素吸蔵合金からの水素を用いて燃料電池を駆動させるための様々な構成が開示されているが、リン酸型燃料電池を用いているために加湿機構などの固体高分子型燃料電池を作動させるための特有な構成を考慮したシステムにはなっていない。 For example, in the series of techniques described in JP-A-4-308662 discloses and 6-60894 JP, various configurations for driving the fuel cell using hydrogen from the hydrogen storage alloy is disclosed, not becoming the system in consideration of specific configurations for operating a polymer electrolyte fuel cell, such as a humidifying mechanism due to the use of phosphoric acid fuel cell. また特開昭54−22537号公報や特開平2−260371号公報に記載の構成では、固体高分子型燃料電池を水素吸蔵合金より供給される水素で駆動する構成を開示しているが、水素吸蔵合金に燃料電池の熱を伝えるための構成と、生成水回収のための灯心部材や水透過性部材などの構成が示されているのみで、超小型のための構成は示されていない。 In the configuration described in JP-A-54-22537 and JP 2-260371, although the polymer electrolyte fuel cell discloses a configuration for driving with hydrogen supplied from the hydrogen storage alloy, the hydrogen configuration and for transferring heat of the fuel cell storage alloy, only configurations such as wicking member and water-permeable member for generating water recovery are shown, not shown construction for miniature. また米国特許5200278号には、固体高分子型燃料電池の構造およびシステムに関する種々の開示が見られるが、機器に搭載することを主眼においた構成やそのための小型化の取り組みに関する構成について示唆されるものはない。 Also in U.S. Patent No. 5200278, although various disclosed is observed on the structure and system of a polymer electrolyte fuel cell, suggesting the configuration related to the configuration and size of the effort therefor placed in focus in that mounted in the device There is nothing.
【0006】 [0006]
また前記先行技術に示されている種々の加湿方法は、水の配管経路が複雑であったり、システムそのものが補助動力を必要としたり、生成水の回収構造も含めた小型化の取り組みがなされていない点で問題があった。 The various humidifying methods shown in the prior art, or a complex water pipe route, the system itself or require auxiliary power, recovery structure of the product water also downsizing efforts have been made, including no there has been a problem in terms.
【0007】 [0007]
本発明は上記従来の問題点を解決し、一つのパッケージ内に一体化した超小型化した機器搭載用の固体高分子型燃料電池システムを提供することを目的とする。 The present invention is described above to solve the conventional problems, and an object thereof is to provide a polymer electrolyte fuel cell system for equipment equipped with ultra-miniaturized integrated in one package.
【0008】 [0008]
【課題を解決するための手段】 In order to solve the problems]
この課題を解決するため、本発明は水素と空気を用いて発電する燃料電池本体と、この燃料電池本体に供給する水素を貯蔵するための水素吸蔵ボンベと、この水素吸蔵ボンベを着脱可能な手段と、空気を供給するための手段と、発電により生成した水を回収する構成と、上記燃料電池本体に供給する水素を加湿する手段と、発電動作を制御する制御部と、これらを収納し、空気の吸排気口ならびに機器と電気的に結合する端子部を備えたケースとを有し、これら一体の電池システムをポータブル機器に着脱自在に構成することにより、機器に搭載できる超小型の全く新しい電源システムを提供でき、従来の電池にはない長時間の作動を可能とするとともに、繰り返し利用が可能な電池システムが実現できる。 To solve this problem, the present invention provides a fuel cell body for generating electric power using hydrogen and air, and the hydrogen storage cylinder for storing hydrogen to be supplied to the fuel cell body, removable means the hydrogen storage cylinder If, housed and means for supplying air, configuration and recovering the power generated by the water, it means for humidifying the hydrogen supplied to the fuel cell main body, and a control unit for controlling the power generation operation, these, and a case having a terminal portion for the intake and exhaust ports and devices electrically coupled in air, by detachably attached these integral battery system in portable devices, can be mounted on equipment subminiature completely new can provide a power supply system, as well as a for long time operation not found in conventional battery, repeated use is possible cell system can be realized.
【0009】 [0009]
【発明の実施の形態】 DETAILED DESCRIPTION OF THE INVENTION
以下本発明の一実施例を図1〜11を用いて詳細に説明する。 Hereinafter an embodiment of the present invention will be described in detail with reference to FIG. 1-11.
【0010】 [0010]
パーソナルコンピュータ等の電池電源を必要とする機器1の電池装置収納部1aに着脱自在に燃料電池装置2が収納されている。 Freely fuel cell device 2 removably housed in the battery device housing section 1a of the device 1 that require battery power supply of the personal computer or the like. この結合は、従来のニッケル水素等からなる電池装置における結合と同様のものでよく、電気的、かつ機械的に着脱できるように構成されている。 This binding may be of similar to the binding in the battery apparatus comprising a conventional nickel hydrogen or the like, and is configured to be electrically and mechanically detachable. 電池装置2の外郭を構成する電池装置ケース3の中には、 固体高分子型燃料電池からなる燃料電池本体4と、この燃料電池本体4で使用される水素をその内蔵する水素吸蔵合金に貯蔵する水素吸蔵ボンベ5と、この水素吸蔵ボンベ5と燃料電池本体4とを連結し、水素を水素吸蔵ボンベ5から燃料電池本体4に導く水素供給手段6と、燃料電池の発電に必要な酸素を供給するための空気を燃料電池本体4に供給するファン等からなる送気手段7と、燃料電池本体4で生成された水を回収して保水する保水手段8と、上記燃料電池本体4の発電動作を制御する制御部9とが収納され、図に示すように配置されている。 Some cell device casing 3 constituting an outer shell of the battery device 2 includes a fuel cell main body 4 consisting of a polymer electrolyte fuel cell, storing hydrogen for use in the fuel cell body 4 in the hydrogen storage alloy to its internal hydrogen storage cylinder 5 which, by connecting the hydrogen storage cylinder 5 and the fuel cell body 4, the hydrogen from the hydrogen storage cylinder 5 and the hydrogen supply means 6 for guiding the fuel cell body 4, the oxygen required for power generation of the fuel cell and blowing means 7 for air consisting of the fuel cell body 4 to supply fan or the like for supplying the water produced by the fuel cell body 4 is recovered with the water retention means 8 for water retention, power generation of the fuel cell body 4 a control unit 9 for controlling the operation is accommodated, are arranged as shown in FIG. この電池装置ケース3には、制御部9と機器1との間を接続する機器接続端子部10、送気手段7の吸気口11と排気口12、水素吸蔵ボンベ5を電池装置ケース3から出し入れするボンベ着脱蓋13が設けられている。 The battery apparatus case 3, out device connecting terminal portion 10 for connecting between the control unit 9 and the device 1, an intake port 11 of the blowing means 7 outlet 12, the hydrogen storage cylinder 5 from the battery unit case 3 bomb detachable lid 13 is provided. 水素供給手段6は、端部に水素吸蔵ボンベ5と着脱自在に結合し、水素吸蔵ボンベ5の水素を漏洩させることなく、受け入れるボンベ側連結部6aと、このボンベ側連結部6aに連結し、水素吸蔵ボンベ5からの水素を燃料電池本体4に導く複数の水素供給管6bと、この複数の水素供給管6bをまとめ、燃料電池本体4の水素供給口に連結する電池側連結部6cとから構成されている。 Hydrogen supply means 6, the end portion removably coupled to the hydrogen storage cylinder 5 without causing leakage of hydrogen of the hydrogen storage cylinder 5, a cylinder-side connecting portion 6a for receiving, connected to the cylinder-side connecting portion 6a, from the hydrogen from the hydrogen storage cylinder 5 and a plurality of hydrogen supply pipes 6b which leads to the fuel cell body 4, collectively the plurality of hydrogen supply pipes 6b, the battery-side coupling portion 6c for connecting to the hydrogen supply port of the fuel cell body 4 It is configured. そしてこの電池装置ケース3の底部には、燃料電池本体4の水生成側に密接させた保水手段8がシート状に敷設され、これが水素吸蔵ボンベ5の下面にも接するように延設されている。 And the bottom of the cell device casing 3, water retention means 8 is in close contact with the water production of the fuel cell body 4 is laid into a sheet, which is extended so as to be in contact with the lower surface of the hydrogen storage cylinder 5 . そしてこの保水手段8には、上記水素供給管6bが包み込まれるように保持されている。 And the water retention means 8 is held so that the hydrogen supply pipe 6b is wrapped. 上記保水手段8の材料は、例えば雑誌「表面,Vol.33,No.4,52-59,(1995)」に記述されているような紙おむつや生理用品などの衛生用品、土壌保水材などの農業園芸用品等に使用される各種の高吸水性高分子が応用できる。 The material of the water retention means 8, for example magazine "surface, Vol.33, No.4,52-59, (1995)" sanitary goods such as disposable diapers and sanitary products such as are described in, such as soil water-retaining material various highly water-absorbent polymer to be used in agriculture gardening supplies and the like can be applied. 特に、本実施例ではポリアクリル酸塩架橋物とデンプン−アクリル酸塩グラフト共重合体架橋物を使用した。 In particular, polyacrylate crosslinked product and starch in the present embodiment - using acrylate graft copolymer crosslinked product. このような材料の使用により、機器1の内部や、外部に精製水が漏洩することのないように構成されている。 The use of such materials, inside or equipment 1 is configured so as not to leak purified water to the outside. そして水素供給管6bは、水を透過し、気体を透過しない材質、例えばパーフルオロスルフォン酸高分子等の固体高分子電解質から成っており、かつこの水素供給管6bが上記のように保水手段8に包囲された構成となっていることから、保水手段8の水分が上記水素供給管6bの管壁を通して内部に浸透し、内部を通過する水素ガスを加湿する。 The hydrogen supply pipe 6b is transmitted through the water, the material that does not transmit gases such perfluorosulfonic acid and made of a solid polymer electrolyte such as a polymer, and water retaining means as the hydrogen supply pipe 6b is the 8 since that is the configurations enclosed, moisture water retention means 8 penetrates inside through the tube wall of the hydrogen supply pipe 6b, to humidify the hydrogen gas passing through the interior. また上記保水手段8は、燃料電池本体4に接していることから、燃料電池本体4の発電時発せられる熱を吸収し、保水されている水分の蒸発に寄与するとともに、保水手段8が水素吸蔵ボンベ5にも接するように延設されていることから、上記燃料電池本体4の発電時の熱を水素吸蔵ボンベ5側に伝達し、水素吸蔵合金を暖めることによる水素排出反応の効率を向上させることが出来る。 Also the water retention means 8, since it is in contact with the fuel cell body 4 absorbs heat generated during power generation of the fuel cell body 4, contributes to the evaporation of moisture is water retention, water retention means 8 is hydrogen absorbing since it was extended to also contact the cylinder 5, a heat during power generation of the fuel cell body 4 is transmitted to the hydrogen storage cylinder 5 side, thereby improving the efficiency of the hydrogen discharge reaction by warming the hydrogen-absorbing alloy it can be. また併せて、この水素吸蔵合金の水素排出時におこる吸熱により、水素吸蔵ボンベ5の表面が結露することがあるが、この結露した水は、上記保水手段8により吸水され、保水される。 Further along, the heat absorption occurring during hydrogen discharge in the hydrogen-absorbing alloy, the surface of the hydrogen storage cylinder 5 is able to condensation, the condensed water is water by the water retaining means 8, is water retention.
【0011】 [0011]
なお、本実施例においては、燃料電池本体4で生成される水により水素吸蔵ボンベ5からの水素ガスを加湿するのに、この水素ガスを搬送する通水性の水素供給管6bを用いたが、図13、14に示すように水素ガス流と生成水とが管でなく、板状の膜で接するように構成してもよい。 In the present embodiment, for humidifying the hydrogen gas from the hydrogen storage cylinder 5 by the water produced by the fuel cell body 4, but using a hydrogen feed tube 6b for water permeability for transporting the hydrogen gas, not a hydrogen gas stream and produced water tubes 13 and 14, may be configured to contact a plate-shaped membrane. そしてその位置は、燃料電池本体4のスタックの一部に組み込まれてもよく(図13)、また燃料電池本体4の下部に位置させてもよい(図14)。 And its position, the fuel cell body 4 may be an integral part of the stack (FIG. 13), also may be located in the lower part of the fuel cell body 4 (Figure 14).
【0012】 [0012]
燃料電池本体4において、発電時に発生する生成水の量を検知するには、保水手段8材料の膨張量を検出する方法、保水手段8の誘電率や抵抗値の変化で感知する方法等が採用できる。 In the fuel cell body 4, to detect the amount of generated water generated during power generation, a method for detecting the amount of expansion of the water retaining means 8 material, and a method is employed to sense a change in the dielectric constant and the resistance value of the water retention means 8 it can. 保水手段については、本実施例のように保水材を用いて膨潤させる以外に、保水タンクを用いて、これに回収するようにすることもできる。 The water retention means, in addition to swell with water-retaining material as in the present embodiment, by using the water-holding tank may also be adapted to recover thereto. この場合回収した水の量は、フロートスイッチ等の検知手段を設けることが考えられる。 In this case, the amount of recovered water, it is conceivable to provide a detecting means such as a float switch. 保水手段に回収した水が蒸発等により減量できず、保水手段の水量検知手段により排出を報知されたものは、保水材の交換や、タンクの取り外し等の手段により、外部に放出するようにすることが可能である。 Water collected in the water retaining means can not be reduced by evaporation or the like, those informed discharged by water detecting means water retention means, replacement and the water-retaining material, by means of removal such as tanks, so as to release to the outside It is possible.
【0013】 [0013]
保水手段に回収した水を蒸発により減量させる方法としては、前記のように燃料電池本体4から発生する熱を利用する方法以外に、例えば保水手段の膨張率を感知して空気供給ファンを駆動し、空気流により蒸発を促進する方法もある。 As a method for reduction recovered water to water retaining means by evaporation, other than the method utilizing the heat generated from the fuel cell body 4 as, for example, by sensing the expansion rate of the water holding means to drive the air supply fan , there is a method of promoting the evaporation by air stream. この場合、ファン駆動電力は、燃料電池本体からでもよく、機器が外部電源と接続されている時には、その電源から供給されるようにしてもよい。 In this case, the fan drive power may even from the fuel cell main body, when the device is connected to an external power source may be supplied from the power source. 水素吸蔵ボンベ5の水素が全て消費された場合は、水素吸蔵ボンベ5を交換することになるが、電池装置ケース3のボンベ着脱蓋13を開けて、ここから出し入れすればよい。 Hydrogen of the hydrogen storage cylinder 5 is if it is consumed, but will replace the hydrogen storage cylinder 5, opens the cylinder removable lid 13 of the battery unit case 3, may be out of here.
【0014】 [0014]
燃料電池の作動時間を検知する方法としては、水素吸蔵ボンベ5の水素残量を検知するための圧力センサを用いる方法や、水素の積算流量を検知する方法、発電した電気量を積算し、水素の反応量を求めて水素の残量を計算する方法、生成水量を上述した方法で検知し、水素消費量を計算する方法等が用いられる。 As a method for detecting the operating time of the fuel cell, a method of using a pressure sensor for detecting the remaining amount of hydrogen of the hydrogen storage cylinder 5, a method for detecting the integrated flow rate of hydrogen, integrates the generated electricity amount, the hydrogen how to calculate the remaining amount of hydrogen seeking reaction volume, the water quantity is detected in the manner described above, and a method of calculating the hydrogen consumption is used. この燃料電池電源を搭載する機器が、例えば本実施例のようなノートパソコンである場合等では、作動経過時間や残りの作動時間の予測値を機器接続端子部10を通して出力し、機器1に表示するなどの使用例が考えられる。 Equipment for mounting the fuel cell power supply, for example in the case of a notebook computer or the like as in this embodiment, the predicted value of the operation elapsed time and the remaining operating time is output through device connection terminal unit 10, displayed on the device 1 example of the use of such as may be considered. もちろん機器で燃料電池電源の電圧や電流、水素の圧力、温度、抵抗値、ファンの作動状況、生成水の量など種々のデータを管理する構成とすることも可能である。 Of course a fuel cell power supply device voltage and current, the pressure of hydrogen, the temperature, the resistance value, operating conditions of the fan, it is also possible to adopt a configuration for managing various data such as the amount of generated water.
【0015】 [0015]
図15は、本発明の他の実施例を示すものである。 Figure 15 shows another embodiment of the present invention. この構成は、電池装置ケース103に補助電池14を内蔵するものである。 This configuration is for internal auxiliary battery 14 in the battery unit case 103. この補助電池14によって、起動時のファン107の駆動を補助し、起動初期より空気を多量に供給して出力の立ち上がり特性を改善できる。 This auxiliary battery 14 to assist the driving of the startup of the fan 107, can improve the rising characteristics of the output by supplying a large amount of air from the initial start-up. また燃料電池休止時に水素吸蔵ボンベ105の圧力管理や上述した各種のデータをメモリーするためのバックアップ、ガス漏れ等の緊急時の対応などに利用できる。 Also available at the various data pressure control and the above-mentioned hydrogen storage cylinder 105 backup to memory, such as the corresponding emergency of gas leakage, etc. to the fuel cell dormant. 本実施例において、この補助電池14は、一次電池を用い、電池着脱用蓋を設けて取り替えられるよう構成することも、二次電池を用いて燃料電池の電力で充電するよう構成することも考えられる。 In the present embodiment, the auxiliary battery 14, using a primary battery, be configured to be replaced by providing a lid for a battery removably also contemplated also be configured to charge the power of the fuel cell using a secondary battery It is. また補助電池を機器側に搭載された電池を用いて同様の機能を持たせることも可能である。 It is also possible to provide the same function using the onboard battery auxiliary battery to the equipment side.
【0016】 [0016]
図16は、さらに他の実施例を示すもので、この構成は、電池装置ケース203内部にファンを持たない構成としたものである。 16, and further showing another embodiment, this configuration is obtained by the structure having no fan inside the battery unit case 203. ノート型パソコンに搭載する場合において、この機器は、本体自身を冷却するためのファンを備えているものが多い。 In case of mounting the notebook PC, the apparatus, there are many that has a fan for cooling the body itself. 本実施例は、本体機器のファンの気流を取り込んで燃料電池を発電するものであり、電池装置ケース203には、機器からの冷却用空気を取り込むための吸気口16設けられている。 This embodiment is for generating a fuel cell incorporating a fan air flow main device, the battery device case 203, are provided an intake port 16 for taking in cooling air from the device. この場合、燃料電池装置の内部にファンを持たないために、燃料電池本体204のサイズを拡大して出力を増加できることや、水素吸蔵ボンベのサイズを拡大して作動時間を増加できるなどの利点がある。 In this case, in order in the fuel cell system without a fan, and can be increased the output by increasing the size of the fuel cell main body 204, the advantage of such can increase the working time to enlarge the size of the hydrogen storage cylinder is there. また搭載する機器本体を冷却した後の空気を用いれば、あらかじめ暖められた空気を用いることが出来、燃料電池本体204の電気化学反応をより効率的に促進する利点も生まれる。 Also the use of the air after cooling the device body to be mounted, can be used pre-heated air, also born advantage of more effectively promoting the electrochemical reaction of the fuel cell main body 204.
【0017】 [0017]
なお本実施例では、水素吸蔵ボンベ205に燃料電池本体204から排出された空気で加熱する例を示したが、同様の効果を得るために本燃料電池電源を搭載する機器の発生する熱を銅やアルミなどの高熱伝導性金属やカーボン材料などを用いてボンベに伝える構成とすることもできる。 In the present embodiment, an example is shown in which heated air discharged from the fuel cell main body 204 in the hydrogen storage cylinder 205, a copper heat generated in the equipment mounting this fuel cell power supply to achieve a similar effect and such a high thermal conductivity metal or carbon material such as aluminum may also be configured to transmit in a bomb using. また水素吸蔵合金に低温で水素を発生する合金を選択することによって、ボンベを加熱する構成そのものを削除することもできる。 Also by selecting the alloy to generate hydrogen at low temperature hydrogen storage alloy, it is also possible to remove the structure itself to heat the cylinder. さらに燃料電池のイオン交換膜を湿潤させるための水素ガスの加湿方法について例を示したが、イオン交換膜に水を逆拡散しやすい膜、例えば膜厚が50μm以下ものを選択することによって、生成水を用いて十分な膜の加湿が可能となり、膜を加湿するための種々の構成を省くこともでき、これらにより、構成をシンプル化して、さらに燃料電池本体のサイズを拡大し、出力を増加させることができ、また水素吸蔵ボンベのサイズを拡大して作動時間を増加できるなどの利点が生まれる。 An example is shown for humidifying method of hydrogen gas for further wet the ion exchange membrane fuel cells, water despreading easy film to an ion exchange membrane, for example by the film thickness is selected as 50μm or less, generation it is possible to humidify the sufficient film with water, can also be dispensed with various configurations for humidifying the membrane, these, to simplify the structure, further increasing the size of the fuel cell main body, increasing the output is to be able, also born advantages such can increase the working time to enlarge the size of the hydrogen storage cylinder.
【0018】 [0018]
また本発明の燃料電池電源を搭載する機器の例として、ノート型パソコンを示したが、他の使用例としてポータブルなプリンターやファクス、電話、テレビ、通信機器、オーディオビデオ機器、扇風機、保温保冷庫、アイロン、ポット、掃除機、炊飯器、電磁調理器、照明器具、ゲーム機やラジコンカーなどの玩具、電動工具など様々な用途に使用でき、特に10W以上の出力で3時間以上の作動時間を必要とする機器にきわめて有効である。 Also as an example of the device to be equipped with a fuel cell power source of the present invention, it showed a notebook computer, a portable printer and fax as another example of use, telephone, TV, communication equipment, audio-video equipment, fans, heat insulation cold storage , iron, pot, vacuum cleaners, rice cookers, induction cooker, lighting fixtures, toys, such as a game machine and a radio-controlled car, such as an electric tool can be used for a variety of applications, especially for more than three hours of operating time at 10W or more output it is very effective in the equipment they need.
【0019】 [0019]
【発明の効果】 【Effect of the invention】
以上のように本発明の構成によれば、発電に要するシステム全てを一つのパッケージに納めることが可能となり、従来にない超小型の燃料電池による電源システムが実現できる。 According to the configuration of the present invention as described above, it is possible to fit all system required for power generation in one package, the power supply system by the fuel cell of unprecedented miniature can be achieved. そしてこの電源システムをポータブル機器に搭載することにより、従来の一次電池や二次電池を用いた場合よりも長時間の作動が可能となるとともに、発電終了後は、水素吸蔵ボンベに水素を充填することにより、または水素を充填済みのボンベに交換することにより、瞬時に発電を再開することができる。 Then, by mounting the power supply system for portable devices, together with the long operating than with conventional primary and secondary batteries becomes possible, after the power generation completion is filled with hydrogen to the hydrogen storage cylinder it makes or by exchanging the filled bomb hydrogen, it is possible to resume the power generation instantaneously. さらに本電源システムは、繰り返し何度も使用できることから、省資源の観点からも優れたシステムを提供できる。 The present power supply system, because it can be repeatedly used many times, it is possible to provide a superior system from the viewpoint of resource saving.
【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS
【図1】本発明の一実施例における燃料電池装置とこれを搭載する機器の斜視図【図2】同燃料電池装置の斜視図【図3】同燃料電池装置の平面図【図4】同燃料電池装置の右側面図【図5】同燃料電池装置の左側面図【図6】図3におけるC−C断面図【図7】図3におけるD−D断面図【図8】図3におけるA−A断面図【図9】図3におけるB−B断面図【図10】加湿手段の構成を示す図【図11】水素供給手段と保水手段の関係を示す説明図【図12】水素供給管の構成を示す説明図【図13】燃料電池本体への保水材による保水構造を示す他の実施例の説明図【図14】さらに他の実施例の説明図【図15】本発明の他の実施例における燃料電池装置の上部切欠平面図【図16】本発明のさらに他の実施例における燃料電池装置 Plan view Figure 4 in FIG. 1 the fuel cell device and the perspective view FIG. 3 the fuel cell device of the perspective view FIG. 2 the fuel cell system of the device to be equipped with the in an embodiment of the present invention the D-D cross-sectional view taken along section C-C view [7] Figure 3 in a left side view [6] Figure 3 on the right side view and FIG. 5 the fuel cell device of the fuel cell apparatus in FIG. 8 3 a-a sectional view [9] Figure 11 is a diagram showing the relationship between the hydrogen supply means and the water retention means showing the configuration of a sectional view taken along line B-B in FIG. 3 [10] humidifying means 12 is a hydrogen supply other explanatory view showing the configuration of the tube 13 is an explanatory diagram of another embodiment illustrating a water retention structure by water-retaining material to the fuel cell main body 14 is a further illustration of another embodiment [15] the present invention further fuel cell device according to another embodiment of the exemplary top cutaway plan view of a fuel cell system in the example FIG. 16 the present invention 上部切欠平面図【図17】同燃料電池装置の側面図【図18】燃料電池の原理を示すための説明図【図19】燃料電池における単位電池の分解断面図【図20】単体電池を複数個連結して構成した燃料電池の斜視説明図【符号の説明】 A plurality of side view Figure 18 is an explanatory diagram for illustrating the principle of the fuel cell 19 is an exploded sectional view of a unit cell in the fuel cell [20] single cell of the upper cutaway plan view and FIG. 17 the fuel cell system perspective view showing a fuel cell constituted by pieces connected eXPLANATION oF REFERENCE nUMERALS
1 機器2 電池装置3 電池装置ケース4 燃料電池本体5 水素吸蔵ボンベ6 水素供給手段6a ボンベ側連結部6b 水素供給管6c 電池側連結部7 送気手段8 保水手段9 制御部10 機器接続端子部11 吸気口12 排気口13 ボンベ着脱蓋 1 device 2 cell device 3 cell device casing 4 fuel cell body 5 hydrogen storage cylinder 6 hydrogen supply means 6a cylinder side connecting portion 6b hydrogen supply pipe 6c battery-side coupling portion 7 blowing means 8 water retaining means 9 control unit 10 device connecting terminal portions 11 inlet 12 outlet 13 cylinder removable lid

Claims (10)

  1. パーソナルコンピュータ等の可搬用機器に搭載して用いられる燃料電池装置であって、 固体高分子型燃料電池からなる燃料電池本体と、この燃料電池本体に必要な水素をその内蔵する水素吸蔵合金に吸蔵する水素吸蔵ボンベと、この水素吸蔵ボンベからの水素の流動を制御し、上記燃料電池本体における燃料電池の作動を制御する制御部と、 少なくともその一部が実質的に水素を透過せずに水を透過する透水部材と接触するように形成され、上記水素吸蔵ボンベから水素を上記燃料電池本体に供給する水素供給流路と、上記燃料電池本体に燃料電池の発電に必要な酸素を供給するための空気を供給する送気手段と、上記燃料電池本体で生成される水を回収して保水する保水手段と、 上記保水手段に保水された水が上記透水部材を透過して上記 A fuel cell apparatus for use by mounting the Portability equipment such as personal computers, a fuel cell body comprising a solid polymer electrolyte fuel cell, storing hydrogen required for the fuel cell body to the hydrogen storage alloy to its internal a hydrogen storage cylinder to the water without passing through controlling the flow of hydrogen from the hydrogen storage cylinder, and a control unit for controlling the operation of the fuel cell in the fuel cell body, at least a part of a substantially hydrogen transmitting the formed so as to contact the water permeability member, and the hydrogen storage cylinder hydrogen supply flow path for supplying to the fuel cell body hydrogen from, for supplying oxygen necessary for power generation of the fuel cell to the fuel cell body and blowing means for supplying air, and water retention means for water retention and collect water generated by the fuel cell body, the water is water retention in the water retention means is transmitted through the permeable member 素供給流路を流動する水素を加湿するよう構成された加湿構造と上記燃料電池本体または上記可搬用機器で発生した熱を上記水素吸蔵ボンベに伝達する熱伝達構造と、これらを収納するとともに、可搬用機器に機械的、かつ電気的に着脱可能に結合する電池装置ケースとを有し、上記電池装置ケースは 、上記送気手段の吸気口ならびに排気口と上記水素吸蔵ボンベを出し入れできる手段を有し、かつ上記水素吸蔵ボンベ着脱可能な構成としたことを特徴とする機器搭載用燃料電池装置。 And configured humidified structure to humidify the hydrogen flowing through the hydrogen supply flow path, the heat generated in the fuel cell main body or the Portability equipment and heat transfer structure to transfer to the hydrogen storage cylinder, while containing these , and a battery device case for mechanical and electrical removably coupled to Portability device, the battery device cases can out the air inlet and outlet and the hydrogen storage cylinder of the air supply means and means, and apparatus for mounting a fuel cell apparatus is characterized in that the detachable the hydrogen storage cylinder.
  2. 上記燃料電池本体での発生熱を上記水素吸蔵ボンベに導いて同水素吸蔵ボンベを加熱することを特徴とする請求項1記載の機器搭載用燃料電池装置。 The fuel cell main body in the generated heat to mounting a fuel cell system apparatus of claim 1, wherein heating the same hydrogen storage cylinder is guided to the hydrogen storage cylinder.
  3. 発生熱の伝達を上記保水手段を介して行うことを特徴とする請求項2記載の機器搭載用燃料電池装置。 Equipment for mounting a fuel cell device according to claim 2, wherein the transmission of heat generated and performing through the water holding means.
  4. 発生熱の伝達を送気手段による空気流によって行うことを特徴とする請求項2記載の機器搭載用燃料電池装置。 Equipment for mounting a fuel cell system according to claim 2, characterized in that the air flow by the air means the transfer of heat generated.
  5. 上記加湿構造は、 上記水素供給流路の路壁の少なくとも一部を水素非透過水透過性膜で構成し、この膜を介して上記保水手段の水と上記水素供給流路を通過する水素とを接触させる構成としたことを特徴とする請求項1記載の機器搭載用燃料電池装置。 The humidifying structure, and hydrogen at least a portion of the passage wall of the hydrogen supply flow path composed of a hydrogen non-permeate permeable membrane, through water and the hydrogen supply flow path of the water holding means through the membrane it has a structure for contacting the device mounting the fuel cell system according to claim 1, wherein.
  6. 上記水素供給流路の一部水素非透過水透過性の管で構成し、かつ上記保水手段を上記燃料電池本体で生成される水を吸収して保水する保水部材で構成し、上記管をこの保水部材により包囲するよう構成し、 この保水部材に保持された水により管内を流動する水素を加湿することを特徴とする請求項5記載の機器搭載用燃料電池装置。 A part of the hydrogen supply flow path composed of a hydrogen non-permeable water-permeable tubes, and the water retention means constituted by water retention member that water retention by absorbing water produced by the fuel cell body, the tube by this water retention member configured to surround, instrumented fuel cell device according to claim 5, wherein the humidifying the hydrogen flowing through the pipe by the water held in the water holding member.
  7. 上記保水手段は、水を吸収し、膨潤して保水する材料からなる保水部材で構成され 、この水をこの保水部材の表面を介して蒸発させることにより上記保持した水を減量することを特徴とする請求項1記載の機器搭載用燃料電池装置。 It said water retention means, absorbs water, swells formed of a water retention member made of a material that water retention, and characterized by weight loss of water as described above held by causing the water to evaporate through the surface of the water retention member equipment for mounting a fuel cell system according to claim 1,.
  8. 保水部材を燃料電池本体に接触させ、同燃料電池本体の発熱により上記保水部材に保水された水を蒸発させることを特徴とする請求項7記載の機器搭載用燃料電池装置。 The water retention member is contacted to the fuel cell body, heating the device mounting the fuel cell system according to claim 7, wherein the evaporation of the water retention water in the water holding member of the fuel cell body.
  9. 内部を冷却する送気手段を備えたパーソナルコンピュータ等の可搬用機器に搭載して用いられる燃料電池装置であって、 固体高分子型燃料電池からなる燃料電池本体と、この燃料電池本体に必要な水素をその内蔵する水素吸蔵合金に吸蔵する水素吸蔵ボンベと、この水素吸蔵ボンベからの水素の流動を制御し、上記燃料電池本体における燃料電池の作動を制御する制御部と、 少なくともその一部が実質的に水素を透過せずに水を透過する透水部材と接触するように形成され、上記水素吸蔵ボンベから水素を上記燃料電池本体に供給する水素供給流路と、上記燃料電池本体で生成される水を回収して保水する保水手段と、 上記保水手段に保水された水が上記透水部材を透過して上記水素供給流路を流動する水素を加湿するよう構成された加湿構 A fuel cell apparatus for use by mounting the Portability equipment such as a personal computer equipped with a blowing means for cooling the interior, and the fuel cell main body made of a polymer electrolyte fuel cell, necessary for the fuel cell body a hydrogen storage cylinder capable of absorbing the hydrogen-absorbing alloy for the internal hydrogen, to control the flow of hydrogen from the hydrogen storage cylinder, and a control unit for controlling the operation of the fuel cell in the fuel cell body, at least a portion thereof is formed so as to be in contact with the permeable member which transmits substantially water without passing through the hydrogen, the hydrogen from the hydrogen storage cylinder and a hydrogen supply flow path for supplying to the fuel cell body, generated by the fuel cell body a water retention means for water retention that the water was recovered, humidifying structure that water is water retention in the water retention means is configured to humidify the hydrogen flowing through the hydrogen supply passage passes through the permeable member 上記燃料電池本体または上記可搬用機器で発生した熱を上記水素吸蔵ボンベに伝達する熱伝達構造と、これらを収納するとともに、可搬用機器に機械的、かつ電気的に着脱可能に結合する電池装置ケースとを有し、上記電池装置ケースは 、上記送気手段の吸気口ならびに排気口と上記水素吸蔵ボンベを出し入れできる手段を有し、 上記可搬用機器に設けられた送気手段により形成される空気流を燃料電池本体に導き、この空気流により燃料電池の発電に必要な酸素を供給するよう構成したことを特徴とする機器搭載用燃料電池装置。 When the heat transfer structure to transfer heat generated by the fuel cell body or the Portability device to the hydrogen storage cylinder, as well as storing them mechanically Portability device, and electrically detachably coupled and a battery unit case, the battery device cases comprises a means capable of loading and unloading the air inlet and outlet and the hydrogen storage cylinder of the air supply means, the air supply means provided in the Portability equipment the air flow formed led to the fuel cell body, the air flow device for mounting a fuel cell system, characterized in that configured to supply oxygen required for power generation of the fuel cell by.
  10. 上記送気手段を駆動し、燃料電池本体の初作動を確保するための補助電池を内蔵させたことを特徴とする請求項1または9記載の機器搭載用燃料電池装置。 The insufflation means to drive the fuel cell main body of the apparatus for mounting a fuel cell system according to claim 1 or 9 further characterized in that incorporated therein an auxiliary battery for ensuring the initial operation.
JP01854496A 1996-02-05 1996-02-05 Equipment for mounting the fuel cell device Expired - Fee Related JP4028603B2 (en)

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JP01854496A JP4028603B2 (en) 1996-02-05 1996-02-05 Equipment for mounting the fuel cell device
DE69708715T DE69708715T2 (en) 1996-02-05 1997-01-31 Fuel cell for mounting on devices
EP97101565A EP0788172B1 (en) 1996-02-05 1997-01-31 Fuel cell for mounting on equipment
DE69708715A DE69708715D1 (en) 1996-02-05 1997-01-31 Fuel cell for mounting on devices
US08/795,352 US6057051A (en) 1996-02-05 1997-02-04 Miniaturized fuel cell assembly

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