WO2005045981A1 - Empilement de piles a combustible et procede pour fixer ledit empilement - Google Patents

Empilement de piles a combustible et procede pour fixer ledit empilement Download PDF

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Publication number
WO2005045981A1
WO2005045981A1 PCT/JP2004/016786 JP2004016786W WO2005045981A1 WO 2005045981 A1 WO2005045981 A1 WO 2005045981A1 JP 2004016786 W JP2004016786 W JP 2004016786W WO 2005045981 A1 WO2005045981 A1 WO 2005045981A1
Authority
WO
WIPO (PCT)
Prior art keywords
end plate
fuel cell
cell stack
plates
plate
Prior art date
Application number
PCT/JP2004/016786
Other languages
English (en)
Japanese (ja)
Inventor
Takeharu Kuramochi
Masahiko Katsu
Nobuaki Akutsu
Kaoru Eguchi
Masahiro Omata
Yoshiki Muto
Hideto Kanafusa
Masahiko Iizumi
Kazuyoshi Takada
Yuji Sakagami
Original Assignee
Nissan Motor Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2003378006A external-priority patent/JP2005142049A/ja
Priority claimed from JP2003402496A external-priority patent/JP4595318B2/ja
Application filed by Nissan Motor Co., Ltd. filed Critical Nissan Motor Co., Ltd.
Publication of WO2005045981A1 publication Critical patent/WO2005045981A1/fr

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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
    • H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
    • H01M8/2465—Details of groupings of fuel cells
    • H01M8/247—Arrangements for tightening a stack, for accommodation of a stack in a tank or for assembling different tanks
    • H01M8/248—Means for compression of the fuel cell stacks
    • 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 stack formed by stacking fuel cells.
  • a fuel cell stack is manufactured by stacking a plurality of fuel cells, sandwiching them by an end plate, and tightening in the stacking direction.
  • the method of fastening is to tighten the end plates with multiple bolts disclosed in JP9-92323A issued by the Japan Patent Office in 1997, and around the end plate exposed by JP2001-126750A issued in 2001.
  • a fuel cell stack made by stacking a plurality of fuel cells may have different heights depending on the location and may be inclined.
  • JP9-92323A the force that reduces the unevenness of the pressure distribution in the cell by dividing the end plate into upper and lower parts and enclosing a liquid or a viscous material therein, and the axial force of the bolt remain uneven. Also, if the inclination of the fuel cell stack is large, the enclosed liquid or viscous material is biased, the pressure distribution becomes uneven, and the liquid or viscous material becomes It may leak.
  • the wire is pulled to the corner of the end plate at the time of tightening, so that the tension is not uniform throughout the wire and the force with which the wire presses the end plate varies. This causes uneven pressure distribution in the cell.
  • an object of the present invention is to provide a fuel cell stack in which fuel cells are stacked and an end plate is pressed at a plurality of locations to manufacture a fuel cell stack in which the force for pressing the end plate is made uniform among the plurality of pressed locations. It is.
  • a fuel cell stack according to the present invention is stacked between an upper end plate and a lower end plate, which are vertically separated from each other, and an upper end plate and a lower end plate.
  • a plurality of fuel cells a tightening mechanism for pressing a plurality of locations of the upper end plate toward the lower end plate and tightening the upper and lower end plates in a direction approaching each other; Is arranged at a predetermined position between the position where the upper end plate is pressed and the lower end plate, and adjusts the pressing force by the disgusting tightening mechanism at a plurality of places to uniform the pressing force at the plurality of places.
  • an adjusting mechanism is stacked between an upper end plate and a lower end plate, which are vertically separated from each other, and an upper end plate and a lower end plate.
  • FIG. 1 is a front view of the fuel cell stack according to the first embodiment of the present invention.
  • Fig. 2 ⁇ -2C is a cross-sectional view of the membrane electrode assembly ( ⁇ ⁇ ), the intermediate separator, and the end separator of the fuel cell stack.
  • FIG. 3 is a top view of the fuel cell stack, and a plane plate is indicated by a two-dot chain line.
  • FIG. 4 shows the force acting on the tapered plate from the tapered piece when the fuel cell stack is inclined.
  • FIG. 5 is a front view of the fuel cell stack according to the second embodiment of the present invention.
  • FIG. 6 is a perspective view of a fuel cell stack according to the third embodiment of the present invention.
  • FIG. 7 is a diagram showing a structure of a mounting portion of a rolling roller.
  • FIG. 8 is a front view of the rolling roller.
  • FIG. 9 is a configuration diagram of the tension adjusting mechanism.
  • FIG. 10 shows a partially modified example of the third embodiment.
  • FIG. 11 shows another partially modified example of the third embodiment.
  • FIG. 12 shows a fourth embodiment of the present invention. Description of the preferred embodiment
  • a fuel cell stack 1 of the first embodiment a plurality of fuel cells 4 are stacked on a lower end plate 3 placed on a table 2 and an upper end plate 5 is further Place on top. Then, the end plates 3 and 5 are tightened in the direction approaching each other by the tie bolts 6.
  • the fuel cell 4 includes a membrane electrode assembly (MEA) 4D and an intermediate separator 4E.
  • the MEA 4D is formed by arranging gas diffusion electrodes 4D2 on both sides of the polymer electrolyte membrane 4D1, as shown in Fig. 2A, and forming a polymer film around the gas diffusion electrodes 4D2. On 4D1, a seal 4D3 is provided all around.
  • the intermediate separator 4E has gas channels (grooves) on both sides for supplying gas to the gas diffusion electrodes.
  • a predetermined number of fuel cells 4 are stacked, and an end separator 4C (FIG. 2C) having a gas flow path only on one side is disposed at the uppermost and lowermost ends, instead of the intermediate separator 4E. Terminal outside the end separator 4 C, and further outside An insulator is arranged.
  • the terminal is a terminal for extracting the power generated by the fuel cell stack 1.
  • the insulator is formed of an elastic body made of rubber or a polymer, and absorbs thermal expansion and contraction of the fuel cell stack 1.
  • the fuel cell 4 is provided with manifolds for each gas and cooling water, and each manifold is connected to the outside of the fuel cell stack through the opening of the lower end plate 3.
  • the upper end plate 5 includes an adjusting mechanism including a flat plate 7, a tapered plate 8, and a plurality of tapered pieces 9 inserted between the plates 7, 8.
  • the flat plate 7 mainly includes a flat portion 7C. As shown in FIG. 3, the flat plate 7 (shown by a two-dot chain line) has a frame portion 7A on the outer periphery.
  • the tapered plate 8 has a flat surface portion 8A at the center, and a slope 8B between the flat surface portion 8A and the end portion where the plate thickness becomes thinner toward the end portion.
  • the flat plate 7 has a hole 7B through which the tie bolt 6 passes.
  • the bolt head 6B of the tie opening bolt 6 comes into contact with the upper surface of the flat plate 7 via a washer. Then, the tapered piece 9 and the tapered plate 8 are pressed toward the fuel cell 4.
  • the tapered portion 9 A of the tapered piece 9 contacts the slope 8 B of the tapered plate 8.
  • the rear surface of the taper portion 9A is engaged with a groove 7D provided in the flat portion 7C of the flat plate 7, so that the taper piece 9 can move without detaching from the flat plate 7.
  • the retracted position of the tapered piece 9 is regulated by a tightening bolt 10 which is screw-engaged with the frame portion 7A of the flat plate 7.
  • the fuel cell stack 1 having the above configuration is assembled in the following procedure from a state in which all the fuel cells' 4 are stacked, and tightened in the stacking direction.
  • the fuel cells 4 are stacked on the lower end plate 3, and the tapered plate 8 is stacked on the stacked fuel cells 4.
  • the variation in the thickness of the stacked fuel cells 4, the variation in the thickness of the seal adhesive, and the variation in the assembly are accumulated, and, for example, as shown in FIG. May be inclined.
  • the flat plate 7 is placed on these, the tie rod bolts 6 are passed through the flat plate 7, and the threaded end 6 A is screwed into the screw hole of the lower end plate 3.
  • the axial force sensor is, for example, a strain gauge that detects a distortion amount of a bolt shaft portion generated according to an axial force applied to the tie bolt 6. At this time, if the fuel cell stack 1 has an inclination, the inclination of the fuel cell stack 1 is corrected by the force acting on the tapered plate 9 from the tapered piece 9.
  • FIG. 4 exaggerates the state where the fuel cell stack 1 is tilted to the left in the figure.
  • the forces FL and FR acting on the left and right slopes 8B from the tapered piece 9 both act on the inside (toward the center) of the fuel cell stack 1 because the slopes 8B are inclined.
  • the slope of the left slope 8B becomes steeper, and conversely, the right slope 8B approaches horizontal.
  • the horizontal component FLx of the force FL that the left slope 8B receives from the tapered piece 9 increases as the inclination of the fuel cell stack 1 increases, and the force FR that the right slope 8B receives from the tapered piece 9 to the left.
  • component FRx decreases as the inclination of the fuel cell stack 1 increases.
  • the force of FLX-FRx that is, the force in the direction of returning the fuel cell stack 1 to tilt, acts on the fuel cell stack 1.
  • the inclination of the fuel cell stack 1 is corrected by pushing the tapered piece 9 or retracting it so that the force acting on the left and right slopes 8B from the tapered piece 9 is positively adjusted. It is also possible.
  • the surface pressure distribution of the fuel cell 4 is determined based on the output value of the axial force sensor of the tie rod bolt 6. Then, gradually tighten the tightening bolt 10 of the tapered piece 9 closest to the tie bolt 6 with the lowest output value of the axial force sensor so that the surface pressure distribution becomes uniform, and move the tapered piece 9 forward. A part of the tape plate 8 is pressed against the fuel cell 4 via the slopes 8B and 9A, and the axial force of the tie bolt 6 having the lowest output value of the axial force sensor is increased.
  • the axial force of the tie opening bolts 6 is increased in order from the tie rod bolt 6 having the lowest axial force.
  • the tapered piece 9 Complete the position adjustment.
  • the stacked fuel cells 4 have no inclination, and the axial forces of the tie rod bolts 6 are all uniform, so that the fuel cells 4 are pressed with a uniform surface pressure. In this state, tighten all the tie bolts 6 again (final tightening) to complete the tightening of the fuel cell stack 1.
  • the fuel cell stack 1 in which the inclination of the fuel cell stack 1 occurs in the plane of the front view has been described.
  • the inclination of the fuel cell stack 1 may occur in a plane orthogonal to the front view or in a plane oblique to the front view. In such a case Nevertheless, according to the above procedure, the inclination of the fuel cell stack 1 can be corrected, and the stacked fuel cells 4 can be tightened with a uniform surface pressure.
  • the insulators disposed above and below the stacked fuel cells 4 are made elastic to absorb the thermal expansion and contraction of the fuel cell stack 1 during operation.
  • An elastic body may be interposed between 9 and the tightening bolt 10 to absorb the thermal expansion and contraction of the fuel cell stack 1 during operation.
  • FIG. 5 is a front view of the fuel cell stack according to the second embodiment.
  • the same components as those in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted or simplified.
  • two tapered plates 7 and 8 and a tapered piece 9 arranged between the plates 9 and the fuel cell stacked between the upper and lower end plates 3 and 5 It is placed between cells in cell 4.
  • flat flat portions 7C and 8A are formed, and between the flat surfaces 7C and 8A and the end portions, the thickness increases as approaching the end portions.
  • the slopes 7E and 8B where the thickness becomes thinner are formed.
  • One of the plates 7 and 8 may be a tape plate, and the other may be a flat plate.
  • the tapered piece 9 is disposed between the slopes 7E and 8B. If the tapered piece 9 is displaced in the axial direction of the tightening bolt 10 by rotating the tightening bolt 10 for screw engagement with the frame portion 7 A provided on one taper plate 7, the tapered piece 9 and the slope By changing the contact position with 7E and 8B, the distance between the tapered plates 7 and 8 at the contact position can be adjusted.
  • End-side separators 4C are arranged at positions vertically adjacent to the tapered plates 7 and 8. Since the tapered plates 7 and 8 and the tapered piece 9 are formed of a conductive material, the end separator 4 C adjacent above and below the tapered plates 7 and 8 is a tapered plate. It conducts through 7, 8 and the tapered piece 9.
  • the other half of the fuel cells 4 are stacked thereon, and the upper end plate 5 is placed on the upper end.
  • the end plates 3 and 5 are tightened with the tie opening bolts 6 with the same stroke as in the first embodiment until one of the axial force sensors attached to the tie rod bolts' 6 reaches the predetermined temporary tightening value.
  • the inclination of the fuel cell stack 1 is corrected by the force acting on the tapered pieces 9 and the tapered plates 7, 8 according to the same principle as in the first embodiment.
  • the surface pressure distribution of the fuel cell 4 is determined based on the output value of the axial force sensor of the tie rod bolt 6, and the tie opening bolt 6 having the lowest output value of the axial force sensor is determined so that the surface pressure distribution becomes uniform.
  • the tightening port 10 of the nearest tapered piece 9 is gradually screwed in, and the tapered piece 9 is advanced to increase the distance between the taper plates 7 and 8 at the position where the tapered piece 9 exists.
  • the surface pressure applied to the stacked fuel cells 4 is increased to increase the axial force of the tie rod bolt 6.
  • the tapered piece 9 is advanced so that the axial force of the tie bolt 6 is increased in order from the tie bolt 6 having the lowest axial force, and the axial force of all the tie rod bolts 6 is reduced to the predetermined axial force.
  • the position adjustment of the tapered piece 9 is completed.
  • the stacked fuel cells 4 have no inclination, and the The axial forces of the open bolts 6 are all uniform, and the fuel cell 4 is pressed with a uniform surface pressure.
  • all the tie bolts 6 are tightened again (finally), and the tightening of the fuel cell stack 1 is completed.
  • the insulators disposed above and below the stacked fuel cells 4 are made elastic so that the thermal expansion of the fuel cell stack 1 during operation is performed. And absorbs shrinkage.
  • An elastic body may be interposed between the tapered piece 9 and the tightening bolt 10 to absorb the thermal expansion and contraction of the fuel cell stack 1 during operation.
  • FIG. 6 shows a third embodiment.
  • the fuel cell stack is tightened with a wire.
  • the same components as those of the first embodiment are denoted by the same reference numerals, and description thereof will be omitted or simplified.
  • the fuel cell stack 1 is configured by arranging an upper end plate 5 and a lower end plate 3 at both ends of a stacked fuel cell 4.
  • the end plates 3 and 5 are fastened to each other by wires 25 such as a piano wire.
  • One end 25 a of the wire 25 is fixed to the lower end plate 3.
  • the other end 25 b is connected via the tension adjusting mechanism 24. Is fixed to the lower end plate 3.
  • the tension of the wire 25 is adjusted by the tension adjusting mechanism 24, and the fuel cells 4 stacked via the end plates 3 and 5 are tightened at a plurality of locations, and the wires 25 are attached to the seal portions and electrodes of each fuel cell 4. Apply the required surface pressure.
  • a rolling roller 26 for changing the direction of the wire 25 is arranged on the upper surface of the upper end plate 5 along the edge of the upper end plate 5. Rollers 26 are also provided on the lower end plate 3. As shown in FIG. 8, the rolling roller 26 has a rolling surface 27 that guides the wire 25. The shape of the center is depressed.
  • the wire 25 is wound around the rolling roller 26, and the end plates 3, 5 are tightened in the direction approaching each other via the rolling roller 26. Since the wire 25 is separated from the end plates 3 and 5 by the rolling rollers 26, the wire 25 does not come into contact with the end plates 3 and 5.
  • the rolling roller 26 allows the wire 25 to move freely, thereby adjusting the tension of the wire 25 to be uniform over the entire length of the wire.
  • the end plates 3 and 5 are provided with through holes 28, and the wires 25 are passed through the through holes 28. Accordingly, when the fuel cell stack 1 is installed horizontally, even if the edges of the end plates 3 and 5 are brought into contact with the installation surface (not shown), the wires 25 do not contact the installation surface. If the fuel cell stack 1 is to be placed vertically, the rolling rollers 26 may be installed at the outermost edges of the end plates 3 and 5, and the through holes 28 may be eliminated.
  • the tension adjusting mechanism 24 is configured by applying a wire 125 to a pair of rollers 33 disposed on the wheel gear 32 on a base 30 fixed to the lower end plate 3. Is done.
  • the pair of rollers 33 is disposed at a position sandwiching the center of the wheel gear 32.
  • the wheel gear 32 meshes with the worm gear 31, and the worm gear 31 is driven to rotate by a servomotor 35.
  • the tension of the wire 25 is adjusted by adjusting the rotation amount of the worm gear 31 and adjusting the rotation angle of the wheel gear 32, that is, the position of the roller 33, and adjusting the winding amount of the wire 25. be able to. Turning the wheel gear 32 clockwise increases the tension on the wire 25, and turning it counterclockwise decreases the tension on the wire 25.
  • the tension of the wire 25 is detected by a load cell 36 arranged at a portion where the end of the wire 25 is fixed to the base 30.
  • the motor 35 is provided with a roller so that the tension of the wire 25 detected by the load cell 36 falls within a predetermined range. 3 Adjust the position of 3.
  • the stacked fuel cells 4 are tightened at a plurality of positions with an equal tightening force. be able to. This is because the wire 25 moves even if the tension of the wire 25 tends to vary during tightening, and the tension of the wire 25 becomes uniform over the entire length. The movement of the wire 25 is performed smoothly and promptly by the guide of the rolling roller 26. If the tension of the wire 25 is uniform, the force of the wire 25 pressing the end plates 3 and 5 against the fuel cell stack 4 via the rolling rollers 26 is also uniform.
  • the tension of the wire 25 is adjusted to be within a predetermined range by the tension adjusting mechanism 24, the surface pressure applied to the fuel cell 4 is constantly adjusted. Therefore, the stacked fuel cells 4 expand in the stacking direction due to the outside air temperature and reaction heat generated by the operation of the fuel cell, the tension of the wires 25 increases, and the load cells 36 If the detected tension exceeds the predetermined range, the position of the roller 33 is adjusted by the servo motor 35, and the tension of the wire 35 is reduced so as to be within the predetermined range.
  • the load cell similarly operates.
  • the tension detected by 36 is out of the predetermined range
  • the position of the roller 33 is adjusted by the servo motor 35, and the tension of the wire 25 is increased so as to be within the predetermined range.
  • the wire 25 is elongated due to long-term use, and the tightening force acting on the fuel cell stack 1 is reduced. Also in this case, since the tension of the wire is adjusted by the tension adjusting mechanism 24 so as to be within a predetermined range, the tightening force applied to the fuel cell stack 1 is kept constant.
  • FIG. 10 is a partially modified example of the third embodiment.
  • the wire 25 is not wound around the outside of the end plates 3 and 5, but the through holes 3 8 are provided parallel to the end plates 3 and 5 and open to the side surfaces of the end plates 3 and 5. Pass wire 2 5 through.
  • the rolling roller 26 is provided near the opening of the through hole 38. In this configuration, since the wires 25 do not exist on the outer surfaces of the end plates 3 and 5, even when the fuel cell stack 1 is installed vertically, the wires 25 do not contact the installation surface.
  • FIG. 11 is another example of a partially modified example of the third embodiment.
  • Mark 40 is attached to wire 25, and indicator 4 2 with scale 41 is placed beside wire 25, and the position of mark 40 with respect to scale 41 indicates the stress of wire 25.
  • the tension of the wire 25 is adjusted by the tension adjusting mechanism 24 in accordance with the expansion and contraction of the fuel cell stack 21, and the overall length of the wire 25 changes. Therefore, the mark 40 attached to the wire 25 also moves. Therefore, the stretched state of the wire 25 can be confirmed by the position of the mark 40.
  • the force of winding one wire 25 in a spiral shape is not limited to this.
  • the method of winding the wire 25 is not limited to this, and two or more wires may be wound. Is also good.
  • FIG. 12 shows a fourth embodiment.
  • a mechanism for more positively adjusting the surface pressure distribution in the fuel cell unit is added to the fuel cell stack of the third embodiment.
  • the same components as those of the third embodiment are denoted by the same reference numerals, and description thereof will be omitted or simplified.
  • a second rolling roller 29 is arranged between rolling rollers 26 provided on an edge of the upper end plate 5, and is engaged with a wire 25.
  • the second rolling roller 29 can adjust the height from the upper surface of the upper end plate 5 and the relative position of the rolling roller 26 as shown by the arrow in the figure. it can.
  • the surface pressure of the end plate 5 at that position can be adjusted. Can be changed along wire 25.
  • the second rolling roller 29 is located at an intermediate position between the rolling rollers 26, and the height of the second rolling roller 29 is set. Is higher than the rolling rollers 26. According to the second rolling roller 29, the surface pressure between the rolling rollers 26, which cannot be adjusted by the rolling rollers 26, can be finely adjusted.
  • the second rolling roller 29 is provided on the upper end plate 5, but the second rolling roller 29 may be provided on the lower end plate 3.
  • one wire 25 is spirally wound, but the winding method of the wire 25 is not limited to this, and two or more wires are wound. May be wound. Industrial applicability
  • the present invention can be applied to a fuel cell stack manufactured by stacking fuel cells and pressing end plates at a plurality of locations. This is useful for making the force for pressing the end plate uniform among a plurality of pressing points, and for preventing damage such as cracking, chipping or deformation of the fuel cell stack components due to stress concentration.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Fuel Cell (AREA)

Abstract

L'invention concerne des boulons d'accouplement (6) pressant plusieurs emplacements d'une plaque d'extrémité supérieure (5) vers une plaque d'extrémité inférieure (3), ce qui permet de maintenir ensemble les plaques d'extrémité supérieure et inférieure (5, 3) dans le sens de rapprochement. Des pièces effilées (9) disposées entre une plaque plate (7) et une plaque effilée (8) tendent à se déplacer, de manière à ajuster une force de pression dans chaque boulon d'accouplement (6), ce qui équilibre des forces de pression sur plusieurs positions.
PCT/JP2004/016786 2003-11-07 2004-11-05 Empilement de piles a combustible et procede pour fixer ledit empilement WO2005045981A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2003-378006 2003-11-07
JP2003378006A JP2005142049A (ja) 2003-11-07 2003-11-07 燃料電池スタック
JP2003402496A JP4595318B2 (ja) 2003-12-02 2003-12-02 燃料電池スタックおよびその締付方法
JP2003-402496 2003-12-02

Publications (1)

Publication Number Publication Date
WO2005045981A1 true WO2005045981A1 (fr) 2005-05-19

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011009102A1 (de) 2011-01-21 2012-07-26 Audi Ag Batterie mit einer Mehrzahl von Batteriezellen
GB2530024A (en) * 2014-09-03 2016-03-16 Intelligent Energy Ltd Fuel cell plate
CN108431989A (zh) * 2015-12-16 2018-08-21 宝马股份公司 用于容纳燃料电池单体堆、电池堆或电容器堆的壳体
WO2019060417A1 (fr) 2017-09-19 2019-03-28 Phillips 66 Company Procédé de compression d'un empilement de piles à combustible à oxyde solide
WO2019149543A1 (fr) * 2018-01-31 2019-08-08 Audi Ag Empilement de cellules élémentaires avec dispositif de serrage
CN114128026A (zh) * 2019-07-15 2022-03-01 戴姆勒股份公司 用于至少部分可电驱动的机动车的具有支承在机动车构件上的至少一个柔性夹紧机构的电池以及机动车
WO2023089068A1 (fr) * 2021-11-18 2023-05-25 Ekpo Fuel Cell Technologies Gmbh Système de pile à combustible
US20230395824A1 (en) * 2021-09-07 2023-12-07 Cemt Co., Ltd. Fuel cell polar plate structure and fuel cell stack

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JPS60162366U (ja) * 1984-04-05 1985-10-28 株式会社　富士電機総合研究所 燃料電池
JPH06188023A (ja) * 1992-12-22 1994-07-08 Fuji Electric Co Ltd 平板形固体電解質燃料電池
JPH0878044A (ja) * 1994-08-31 1996-03-22 Aqueous Res:Kk 燃料電池セルスタック
JP2002302785A (ja) * 2001-04-04 2002-10-18 Mitsubishi Heavy Ind Ltd 固体高分子水電解セル構造体
JP2003123797A (ja) * 2001-10-09 2003-04-25 Toyota Motor Corp 燃料電池のシール構造
JP2003197250A (ja) * 2001-12-26 2003-07-11 Fuji Electric Co Ltd 横置型積層燃料電池
JP2003317792A (ja) * 2002-04-22 2003-11-07 Honda Motor Co Ltd 電気化学装置のセル積層体

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60162366U (ja) * 1984-04-05 1985-10-28 株式会社　富士電機総合研究所 燃料電池
JPH06188023A (ja) * 1992-12-22 1994-07-08 Fuji Electric Co Ltd 平板形固体電解質燃料電池
JPH0878044A (ja) * 1994-08-31 1996-03-22 Aqueous Res:Kk 燃料電池セルスタック
JP2002302785A (ja) * 2001-04-04 2002-10-18 Mitsubishi Heavy Ind Ltd 固体高分子水電解セル構造体
JP2003123797A (ja) * 2001-10-09 2003-04-25 Toyota Motor Corp 燃料電池のシール構造
JP2003197250A (ja) * 2001-12-26 2003-07-11 Fuji Electric Co Ltd 横置型積層燃料電池
JP2003317792A (ja) * 2002-04-22 2003-11-07 Honda Motor Co Ltd 電気化学装置のセル積層体

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012097980A1 (fr) 2011-01-21 2012-07-26 Audi Ag Batterie comportant une pluralité d'éléments de batterie
US9425445B2 (en) 2011-01-21 2016-08-23 Audi Ag Battery having a plurality of battery cells
DE102011009102A1 (de) 2011-01-21 2012-07-26 Audi Ag Batterie mit einer Mehrzahl von Batteriezellen
GB2530024A (en) * 2014-09-03 2016-03-16 Intelligent Energy Ltd Fuel cell plate
CN108431989B (zh) * 2015-12-16 2021-08-03 宝马股份公司 用于容纳燃料电池单体堆、电池堆或电容器堆的壳体
CN108431989A (zh) * 2015-12-16 2018-08-21 宝马股份公司 用于容纳燃料电池单体堆、电池堆或电容器堆的壳体
WO2019060417A1 (fr) 2017-09-19 2019-03-28 Phillips 66 Company Procédé de compression d'un empilement de piles à combustible à oxyde solide
EP3685463A4 (fr) * 2017-09-19 2021-06-09 Phillips 66 Company Procédé de compression d'un empilement de piles à combustible à oxyde solide
WO2019149543A1 (fr) * 2018-01-31 2019-08-08 Audi Ag Empilement de cellules élémentaires avec dispositif de serrage
US11876272B2 (en) 2018-01-31 2024-01-16 Volkswagen Ag Fuel-cell stack comprising a tensioning device
CN114128026A (zh) * 2019-07-15 2022-03-01 戴姆勒股份公司 用于至少部分可电驱动的机动车的具有支承在机动车构件上的至少一个柔性夹紧机构的电池以及机动车
US20230395824A1 (en) * 2021-09-07 2023-12-07 Cemt Co., Ltd. Fuel cell polar plate structure and fuel cell stack
WO2023089068A1 (fr) * 2021-11-18 2023-05-25 Ekpo Fuel Cell Technologies Gmbh Système de pile à combustible

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