CN113733937A - Fuel cell stack for vehicle and vehicle with same - Google Patents

Fuel cell stack for vehicle and vehicle with same Download PDF

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Publication number
CN113733937A
CN113733937A CN202010460361.XA CN202010460361A CN113733937A CN 113733937 A CN113733937 A CN 113733937A CN 202010460361 A CN202010460361 A CN 202010460361A CN 113733937 A CN113733937 A CN 113733937A
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CN
China
Prior art keywords
end plate
fuel cell
vehicle
movable member
cell stack
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN202010460361.XA
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Chinese (zh)
Inventor
李春花
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Weishi Energy Technology Co Ltd
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Weishi Energy Technology 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
Application filed by Weishi Energy Technology Co Ltd filed Critical Weishi Energy Technology Co Ltd
Priority to CN202010460361.XA priority Critical patent/CN113733937A/en
Publication of CN113733937A publication Critical patent/CN113733937A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/70—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by fuel cells
    • B60L50/71—Arrangement of fuel cells within vehicles specially adapted for electric vehicles
    • 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
    • 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
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells

Abstract

The invention discloses a fuel cell stack for a vehicle and a vehicle having the same, the fuel cell stack including: a first end plate; a plurality of fuel cells, the plurality of fuel cells being disposed at the first end plate; a second end plate disposed on a side of the plurality of fuel cells facing away from the first end plate to secure the plurality of fuel cells between the first end plate and the second end plate; the moving part is arranged on the second end plate and movably matched with the second end plate, wherein the first end plate and the moving part are respectively suitable for being fixedly connected with the vehicle. According to the fuel cell stack for the vehicle, the movable part is arranged on the second end plate, and the movable part can move relatively on the second end plate to eliminate assembly tolerance generated by the fuel cell stack, so that the fixed connection between the second end plate and the vehicle is indirectly realized, the stability of the fuel cell stack during assembly on the vehicle is ensured, and the reliability of the overall structure and performance is further improved.

Description

Fuel cell stack for vehicle and vehicle with same
Technical Field
The invention relates to the field of vehicles, in particular to a fuel cell stack for a vehicle and the vehicle with the fuel cell stack.
Background
In the related art, a fuel cell stack with end plates separately designed from a cell shell is usually fixedly connected with a vehicle body longitudinal beam through two end plates, and the fuel cell stack bears the load on the two end plates during the whole vehicle.
Disclosure of Invention
In view of the above, the present invention is directed to a fuel cell stack for a vehicle, which can eliminate assembly tolerance generated by a fuel cell stack and is stably assembled.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a fuel cell stack for a vehicle, comprising: a first end plate; a plurality of fuel cells, a plurality of said fuel cell stacks being provided at said first end plate; a second end plate disposed on a side of the plurality of fuel cells facing away from the first end plate to secure the plurality of fuel cells between the first end plate and the second end plate; the moving part is arranged on the second end plate and movably matched with the second end plate, wherein the first end plate and the moving part are respectively suitable for being fixedly connected with the vehicle.
According to some embodiments of the present invention, one of the second end plate and the movable member has a slide groove, and the other of the second end plate and the movable member is formed with a slide block, the slide groove extending in a direction in which the plurality of fuel cells are arranged, the slide block being slidably engaged with the slide groove.
According to some embodiments of the present invention, the movable member has a first connection hole, the second end plate has a second connection hole, the first connection hole and the second connection hole are adapted to be fixedly connected by a first fastening member, wherein the second connection hole is a circular hole, the first connection hole forms a long circular hole, and a length direction of the first connection hole is the same as a direction in which the fuel cell stack is disposed.
According to some embodiments of the present invention, a portion of an upper surface of the second end plate is recessed downward to form the sliding groove, the sliding groove has the second connection hole, the movable member is formed with the slider, and the first connection hole penetrates through a thickness direction of the slider.
According to some embodiments of the present invention, the sliding groove penetrates through the second end plate along a plurality of fuel cell stack arrangement directions, an inner wall surface of the sliding groove is provided with a locking rib extending along the plurality of fuel cell stack arrangement directions, an outer side wall of the movable member is provided with an inwardly recessed mounting groove, and the locking rib is adapted to be inserted into the mounting groove to lock and mate the sliding groove and the movable member.
According to some embodiments of the present invention, a portion of the bottom of the sliding groove is recessed downward to form a mounting cavity, the locking rib is disposed on an inner wall surface of the mounting cavity, a mating protrusion is formed on the movable member facing the bottom of the sliding groove, and the mounting groove is disposed on the mating protrusion.
According to some embodiments of the present invention, the movable member has a third coupling hole adapted to be fixedly coupled to the vehicle by a second fastening member, wherein the third coupling hole penetrates the movable member in a direction perpendicular to the fuel cell stack arrangement direction.
According to some embodiments of the present invention, a cross-sectional shape of the movable member in a direction perpendicular to an arrangement direction of the fuel cell stack is formed in an i shape.
According to some embodiments of the invention, the second end plate is fixedly connected to the first end plate by a fastener; and/or, further comprising: and the fuel cell is arranged in the shell, and the shell is respectively connected with the first end plate and the second end plate in a sealing way.
Compared with the prior art, the fuel cell stack for the vehicle has the following advantages:
according to the fuel cell stack for the vehicle, the movable part is arranged on the second end plate, and the movable part can move relatively on the second end plate to eliminate assembly tolerance generated by the fuel cell stack, so that the fixed connection between the second end plate and the vehicle is indirectly realized, the stability of the fuel cell stack during assembly on the vehicle is ensured, and the reliability of the overall structure and performance is further improved.
Another object of the present invention is to provide a vehicle including the fuel cell stack for a vehicle as described above, the vehicle having a first suspension assembly and a second suspension assembly, the first end plate being fixedly connected to the first suspension assembly, and the movable member being fixedly connected to the second suspension assembly.
Compared with the prior art, the vehicle has the same advantages as the fuel cell stack, and the detailed description is omitted.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of a fuel cell stack according to an embodiment of the invention;
FIG. 2 is a schematic view of a second end plate and a movable member according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2;
FIG. 5 is a schematic view of a second end plate and a movable member according to an embodiment of the present invention;
FIG. 6 is a partial schematic structural view of a second end plate according to an embodiment of the invention;
FIG. 7 is a schematic structural view of a moveable member according to an embodiment of the present invention.
Description of reference numerals:
the operation of the fuel cell stack 100, the vehicle 200,
the first end plate 10 is provided with a first end plate,
the fuel cell (20) is provided with a fuel cell,
a second end plate 30, a sliding groove 31, a second connecting hole 32, a mounting cavity 33, a clamping rib 34,
the movable member 40, the slider 41, the first coupling hole 42, the fitting projection 43, the mounting groove 44, the third coupling hole 45,
the outer shell (50) is provided with a plurality of,
a first fastener 61, a second fastener 62, a fastener 63, a first suspension assembly 64, and a second suspension assembly 65.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail with reference to fig. 1 to 7 in conjunction with examples.
Referring to fig. 1, a fuel cell stack 100 for a vehicle according to an embodiment of the present invention includes: the fuel cell assembly comprises a first end plate 10, a second end plate 30 and a plurality of fuel cells 20, wherein the plurality of fuel cells 20 are stacked on the first end plate 10, and the second end plate 30 is arranged on one side of the plurality of fuel cells 20, which faces away from the first end plate 10, so that the plurality of fuel cells 20 are clamped between the first end plate 10 and the second end plate 30.
The fuel cell stack 100 further includes a movable member 40, the movable member 40 is disposed on the second end plate 30, and the movable member 40 is movably engaged with the second end plate 30, so that a distance between the second end plate 30 and the first end plate 10 varies due to stacking tolerance easily generated when a plurality of fuel cells 20 are stacked. When the fuel cell stack 100 is assembled on a vehicle, the first end plate 10 is connected to the vehicle, and the movable member 40 is also adapted to be connected to the vehicle, where the first end plate 10 may be connected to one suspension assembly of the vehicle, the movable member 40 may be connected to another suspension assembly of the vehicle, and the two suspension assemblies may be connected by a cross beam or a longitudinal beam; when the stacking tolerance of the fuel cell 20 stack causes the position of the second end plate 30 to change, the movable member 40 and the second end plate 30 move relatively, the movable member 40 is fixedly connected with the vehicle, the movable member 40 can move along the stacking direction (the front-back direction shown in fig. 1) of the fuel cell 20, and when the movable member 40 moves to a proper position, the second end plate 30 is fixedly connected with the movable member 40, so that the second end plate 30 is indirectly fixed on the vehicle, and the mounting and fixing of the fuel cell stack 100 are realized.
According to the fuel cell stack 100 for the vehicle of the present invention, the movable member 40 is disposed on the second end plate 30, and the movable member 40 can move relatively on the second end plate 30 to eliminate the assembly tolerance generated by stacking the fuel cells 20, so that the fixed connection between the second end plate 30 and the vehicle is indirectly realized, the stability of the fuel cell stack 100 during assembly on the vehicle is ensured, and the reliability of the overall structure and performance is further improved.
According to an embodiment of the present invention, one of the second end plate 30 and the movable member 40 has a sliding groove 31, the other of the second end plate 30 and the movable member 40 has a sliding block 41, the sliding groove 31 extends along the stacking direction of the plurality of fuel cells 20, the sliding block 41 is slidably engaged with the sliding groove 31, for example, the sliding groove 31 is formed on the second end plate 30, the sliding block 41 is formed on the movable member 40, the sliding block 41 can be fixedly connected with the vehicle, and the sliding block 41 can slide in the sliding groove 31 along the stacking direction (the front-back direction shown in fig. 2) of the fuel cells 20, so as to absorb tolerance stacking of the fuel cells 20 in the stacking direction thereof and ensure stability of the whole structure during installation. Of course, the sliding block 41 may also be formed on the second end plate 30, the sliding slot 31 is formed on the movable member 40, and the sliding block 41 slides in the sliding slot 31 to realize the relative movement between the movable member 40 and the second end plate 30.
Compared with the mode of arranging the gaskets in the prior art, the invention omits the gaskets, and can avoid the problem that the thickness and the number of the gaskets are not easy to control; compared with the method of utilizing the disc spring in the prior art, the method saves parts such as the disc spring stress plate and the like, and reduces the arrangement cost and the assembly space.
As shown in fig. 5, in some examples, the moveable member 40 has a first attachment aperture 42, the second end plate 30 has a second attachment aperture 32, the first attachment aperture 42 and the second attachment aperture 32 are adapted to be fixedly attached by a first fastener 61, wherein the second connection holes 32 are circular holes, the first connection holes 42 are formed as long circular holes, the length direction of the first connection holes 42 is the same as the stacking direction of the fuel cells 20, the second connection hole 32 may be located anywhere from the front edge to the rear edge of the first connection hole 42 when the movable member 40 moves relative to the second end plate 30, and when the movable member 40 moves to the proper position, the second connection hole 32 is fastened and connected with the first connection hole 42 at the corresponding position by the first fastener 61, thereby, the movable member 40 can move relative to the second end plate 30, and can be fixedly connected through the fastener, so that the movable member 40 is matched with the second end plate 30.
As shown in fig. 6 and 7, in some examples, a portion of the upper surface of the second end plate 30 is recessed downward to form a sliding groove 31, the sliding groove 31 has a second connection hole 32, the movable member 40 is formed with a sliding block 41, and the first connection hole 42 penetrates through a thickness direction (an up-down direction shown in fig. 7) of the sliding block 41, and in addition, since the movable member 40 has a sufficient thickness, the overlapping strength can be ensured, and the stability of the whole structure can be improved.
As shown in fig. 6 and 7, in some examples, the slide groove 31 penetrates the second end plate 30 in the stacking direction of the plurality of fuel cells 20, and the inner wall surface of the chute 31 has a locking rib 34, the locking rib 34 extends along the stacking direction of the plurality of fuel cells 20, that is, the front end and the rear end of the clamping rib 34 extend to the front side and the rear side of the second end plate 30, respectively, the outer side wall of the movable member 40 has an inwardly recessed mounting groove 44, the clamping rib 34 is suitable for being inserted into the mounting groove 44, that is, the movable member 40 can be inserted into and matched with the sliding groove 31, the movable member 40 is movable only in the length direction of the slide groove 31 (i.e., the direction in which the fuel cells are stacked) by the engagement of the locking rib 34 with the mounting groove 44, such that the movable member 40 is inserted into the slide groove 31 from the front or rear side of the second end plate 30, and will not be disengaged from the sliding slot 31 upwards or downwards, improving the stability of the movable member 40, and further ensuring the reliability of the cooperation of the movable member 40 and the second end plate 30.
As shown in fig. 6, in some examples, a portion of the bottom of the sliding slot 31 is recessed downward to form a mounting cavity 33, the rib 34 is disposed on an inner wall surface of the mounting cavity 33, a fitting protrusion 43 is formed on the movable member 40 toward the bottom of the sliding slot 31, a mounting groove 44 is disposed on the fitting protrusion 43, two first connection holes 42 are formed on the movable member 40, a projection of the fitting protrusion 43 on the movable member 40 is located between the two first connection holes 42, the mounting groove 44 is also oppositely disposed, and the two mounting grooves 44 are formed on left and right side walls of the fitting protrusion 43, so that the entire structure of the movable member 40 is a symmetrical structure, and the manufacturing, molding and assembling of the movable member 40 are facilitated.
As shown in fig. 7, in some examples, the movable member 40 has a third connection hole 45, and the third connection hole 45 is adapted to be fixedly connected to the vehicle by a second fastening member 62, wherein the third connection hole 45 penetrates the movable member 40 in a direction perpendicular to the stacking direction of the fuel cells 20, thereby preventing the movable member 40 from being fixed to the vehicle 200 by the first fastening member 62, and improving the operability of the mounting structure of the fuel cell stack 100.
As shown in fig. 7, according to some embodiments of the present invention, the cross-sectional shape of the movable member 40 along the direction perpendicular to the stacking direction of the fuel cells 20 is formed in an "i" shape, the movable member 40 can be inserted into the sliding groove 31 from one end of the second end plate 30, the middle portion of the movable member 40 is formed with an installation groove 44, the sliding groove 31 is internally provided with a clamping rib 34, and the clamping rib 34 and the installation groove 44 are matched, so that the movable member 40 can only move along the stacking direction of the fuel cells 20 but cannot move along the direction perpendicular to the stacking direction of the fuel cells 20, the movable member 40 is prevented from falling out of the sliding groove 31, and the stability of the overall structure is improved.
As shown in fig. 1, according to some embodiments of the present invention, the second end plate 30 is fixedly connected to the first end plate 10 by a fastener 63, that is, during the assembly process, the first end plate 10 is fixed, the fuel cells are stacked with the first end plate 10 as a base plate, and the second end plate 30 is fixed to the first end plate 10 by a fastener 63, where the fastener 63 may be a bolt or the like.
Wherein, the fastening member 63 may include a plurality of fastening members 63, and the plurality of fastening members 63 are spaced along the circumference of the first end plate 10, and preferably, the fastening members 63 are located at four corners of the first end plate 10, thereby fixedly connecting the corners of the first end plate 10 and the second end plate 30.
As shown in fig. 1, according to some embodiments of the present invention, the fuel cell stack 100 further includes: and a case 50 in which the fuel cells 20 are disposed, and the case 50 is hermetically coupled to the first end plate 10 and the second end plate 30, respectively, thereby ensuring stability and sealability of the overall structure of the fuel cell stack 100.
The vehicle 200 according to the embodiment of the invention, including the fuel cell stack 100 for a vehicle according to the embodiment of the invention, has the first suspension assembly 64 and the second suspension assembly 65, the first end plate 10 is fixedly connected to the first suspension assembly 64, and the movable member 40 is fixedly connected to the second suspension assembly 65.
The first suspension assembly 64 and the second suspension assembly 65 can be fixed to the vehicle body side member to improve the stability of the first suspension assembly 64 and the second suspension assembly 65, and meanwhile, the movable member 40 is always attached to the fixed surface of the second suspension assembly 65 fixed to the vehicle body side member, and the movable member 40 can move in the stacking direction of the fuel cells 20 to absorb the tolerance of the plurality of fuel cells in the stacking direction, thereby indirectly fixing the second end plate 30 to the second suspension assembly 65 on the vehicle body side member.
In the assembly process of the whole vehicle, the fuel cell 20 is stacked on the first end plate 10 along the front-rear direction, the first end plate 10 is fixedly connected with the first suspension assembly 64 at two positions of the whole vehicle, the second end plate 30 is assembled with the movable member 40 and is pre-tightened by the first fastening member 61, the movable member 40 can move along the front-rear direction in the sliding groove 31 of the second end plate 30, the movable member 40 is tightly attached to the second suspension assembly 65 and then tightened and fixed, and finally the movable member 40 is tightened with the second end plate 30, and the movable member 30 can move along the front-rear direction, so that the tolerance generated in the stacking process of the fuel cell 20 is absorbed.
Because the movable member 40 can be firmly fixed with the second end plate 30 and the second suspension assembly 65 of the whole vehicle, the position of the fuel cell stack 100 in the whole vehicle can be adjusted, and the utilization rate of parts in a platform is improved; the moving part has enough thickness, so that the lap joint strength is ensured; meanwhile, the design of different suspension supports can be reduced, the utilization rate of the platform is improved, and the cost can be reduced.
According to the vehicle 200 of the embodiment of the invention, compared with the prior art that the tolerance is absorbed by the screwing length of the internal end plate and the bolt, the end plate needs to bear the screwing force of the bolt and the bearing force after installation, the stress of the end plate is large, and the stability of the end plate is influenced.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. A fuel cell stack (100) for a vehicle, characterized by comprising:
a first end plate (10);
a plurality of fuel cells (20), a plurality of the fuel cells (20) being stacked on the first end plate (10);
a second end plate (30), wherein the second end plate (30) is arranged on one side of the fuel cells (20) which faces away from the first end plate (10) so as to clamp the fuel cells (20) between the first end plate (10) and the second end plate (30);
the movable piece (40) is arranged on the second end plate (30) and movably matched with the second end plate (30),
wherein the first end plate (10) and the movable member (40) are each adapted to be fixedly connected to the vehicle.
2. The fuel cell stack (100) for a vehicle according to claim 1, wherein one of the second end plate (30) and the movable member (40) has a slide groove (31), and the other of the second end plate (30) and the movable member (40) is formed with a slide block (41), the slide groove (31) extending in a stacking direction of the plurality of fuel cells (20), the slide block (41) being slidably engaged with the slide groove (31).
3. The fuel cell stack (100) for a vehicle according to claim 2, wherein the movable member (40) has a first connection hole (42), the second end plate (30) has a second connection hole (32), the first connection hole (42) and the second connection hole (32) are adapted to be fixedly connected by a first fastener (61),
the second connecting hole (32) is a round hole, the first connecting hole (42) forms a long round hole, and the length direction of the first connecting hole (42) is the same as the stacking direction of the fuel cell (20).
4. The fuel cell stack (100) for a vehicle according to claim 3, wherein a portion of an upper surface of the second end plate (30) is recessed downward to form the slide groove (31), the slide groove (31) has the second connection hole (32) thereon, the movable member (40) is formed with the slider (41), and the first connection hole (42) penetrates a thickness direction of the slider (41).
5. The fuel cell stack (100) for a vehicle according to claim 2, wherein the slide groove (31) penetrates the second end plate (30) in a stacking direction of the plurality of fuel cells (20), and an inner wall surface of the slide groove (31) has a snap rib (34) extending in the stacking direction of the plurality of fuel cells (20), and an outer side wall of the movable member (40) has an inwardly recessed mounting groove (44), the snap rib (34) being adapted to be plugged into the mounting groove (44).
6. The fuel cell stack (100) for a vehicle according to claim 5, wherein a part of a groove bottom of the slide groove (31) is depressed downward to form a mounting cavity (33), the bead (34) is provided to an inner wall surface of the mounting cavity (33),
a matching convex part (43) is formed on the movable piece (40) towards the bottom direction of the sliding groove (31), and the mounting groove (44) is formed in the matching convex part (43).
7. The fuel cell stack (100) for a vehicle according to claim 3, wherein the movable member (40) has a third connecting hole (45), the third connecting hole (45) being adapted to be fixedly connected with the vehicle by a second fastener (62),
wherein the third connection hole (45) penetrates the movable member (40) in a direction perpendicular to the stacking direction of the fuel cells (20).
8. The fuel cell stack (100) for a vehicle according to any one of claims 1 to 7, wherein a cross-sectional shape of the movable member (40) in a direction perpendicular to a stacking direction of the fuel cells (20) forms an "I" shape.
9. The fuel cell stack (100) for a vehicle according to any one of claims 1 to 7, wherein the second end plate (30) is fixedly connected to the first end plate (10) by a fastener (63); and/or the presence of a gas in the gas,
further comprising: a housing (50), wherein the fuel cell (20) is arranged in the housing (50), and the housing (50) is respectively connected with the first end plate (10) and the second end plate (30) in a sealing way.
10. A vehicle (200) comprising a fuel cell stack (100) for a vehicle according to any one of claims 1 to 9, the vehicle having a first suspension assembly (64) and a second suspension assembly (65), the first end plate (10) being fixedly connected to the first suspension assembly (64), and the movable member (40) being fixedly connected to the second suspension assembly (65).
CN202010460361.XA 2020-05-27 2020-05-27 Fuel cell stack for vehicle and vehicle with same Pending CN113733937A (en)

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Application publication date: 20211203