Fuel cell separator

By introducing insulating ridges and heat dissipation holes into the fuel cell separator, the problems of chemical stability and heat dissipation efficiency of the separator in acidic environments are solved, achieving higher safety and assembly efficiency.

CN223911648UActive Publication Date: 2026-02-13CHONGQING HYDROTONG NEW ENERGY RES INST CO LTD
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Patent Information

Application Number
CN202423234784.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2026-02-13
Estimated Expiration
2034-12-25

AI Technical Summary

Technical Problem

Existing fuel cell separators lack good chemical stability in acidic environments, have insufficient mechanical strength, low heat dissipation efficiency, and poor safety.

Method used

The design incorporates a partition body structure with insulating protrusions and heat dissipation holes to enhance insulation protection and improve heat dissipation efficiency. At the same time, it enables rapid assembly through structures such as C-shaped plates, fixing blocks, and mounting frames.

Benefits of technology

It improves the safety and heat dissipation of fuel cells, increases assembly efficiency, and enhances the practicality of the separator.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a fuel cell separator, which relates to the technical field of fuel cells and comprises a separator body, a first placing cavity is arranged on the inner side of the upper end of the separator body, a second placing cavity is arranged on the inner side of the lower end of the separator body, and a plurality of insulating raised lines are uniformly arranged on the inner walls of the first placing cavity and the second placing cavity. Heat dissipation holes are formed in the positions, located between every two adjacent insulating protruding strips, of the inner walls of the first containing cavity and the second containing cavity, and wire holes communicating with the first containing cavity and the second containing cavity are formed between the first containing cavity and the second containing cavity. According to the separator, through the structural design of the first placement cavity, the separator body, the insulating raised lines, the second placement cavity and the heat dissipation holes and the combination of mutual cooperation of the plurality of insulating raised lines, insulation protection can be performed between the fuel cell and the separator body, the safety is improved, meanwhile, the plurality of heat dissipation holes are formed, more comprehensive heat dissipation is realized, the heat dissipation efficiency is high, and the service life of the fuel cell is prolonged. And the heat dissipation effect is good.
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Description

TECHNICAL FIELD

[0001] The utility model relates to fuel cell technical field, concretely is a fuel cell separator. BACKGROUND

[0002] Fuel cell separator is an important component in the battery (especially fuel cell), usually needs to have good chemical stability, because fuel cell separator needs to contact various corrosive fuel and electrolyte, for example, in some acid electrolyte battery system, separator needs to be able to resist acid environment, such as the proton exchange membrane made of perfluorosulfonic acid material, at this time, the separator needs to work stably in the acid environment and has certain mechanical strength, can bear the stress influence of the stress of internal temperature change during the battery assembly process and the battery working process.

[0003] In addition, the fuel cell separator in the prior art has poor insulation protection effect, low safety and low heat dissipation efficiency.

[0004] Therefore, it is necessary to provide a fuel cell separator for the above technical problems. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model provides a fuel cell separator to solve the technical problems in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme.

[0007] A fuel cell separator, comprising a separator body, a first placement cavity is arranged on the inner side of the upper end of the separator body, a second placement cavity is arranged on the inner side of the lower end of the separator body, a plurality of insulation protrusions are uniformly arranged on the inner walls of the first placement cavity and the second placement cavity, a heat dissipation hole is arranged between adjacent two insulation protrusions on the inner walls of the first placement cavity and the second placement cavity, and a wire hole is arranged between the first placement cavity and the second placement cavity and is connected with the first placement cavity and the second placement cavity respectively.

[0008] Preferably, the left side of the separator body is fixedly connected with a type plate, and the top and bottom of the type plate are provided with first fixing holes.

[0009] Preferably, the right side of the separator body is fixedly connected with a fixed block, and the surface of the fixed block is provided with a second fixing hole.

[0010] Preferably, the front and back surfaces of the upper end of the separator body are fixedly connected with mounting frames, and the outer wall of the mounting frame is provided with a first mounting hole connected with the inside.

[0011] Preferably, the front and back of the lower end of the partition body are fixedly connected with connecting plates, and the number of the connecting plates is four.

[0012] Preferably, the bottom of the connecting plate is fixedly connected with a mounting block, and the outer wall of the mounting block is provided with a second mounting hole.

[0013] Preferably, the number of the fixing blocks is four, and the inner wall of the second fixing hole is provided with an internal thread.

[0014] Preferably, the number of the mounting blocks is four, and the inner wall of the second mounting hole is provided with an internal thread.

[0015] Preferably, the left and right outer walls of the partition body are provided with first reinforcing ribs.

[0016] Preferably, the front and back outer walls of the partition body are provided with second reinforcing ribs.

[0017] The utility model has the advantages of the following beneficial effects:

[0018] 1. The fuel cell partition in the utility model can be insulated and protected between the fuel cell and the partition body through the cooperation of multiple insulation protrusions, thereby improving safety; meanwhile, multiple heat dissipation holes are arranged, which can realize more comprehensive heat dissipation, have high heat dissipation efficiency and good heat dissipation effect, and solve the problems of the fuel cell partition in actual use, such as no insulation protection effect, low safety, and poor heat dissipation effect caused by non-comprehensive heat dissipation and low heat dissipation efficiency.

[0019] 2. The structure design of the L-shaped plate, the first fixing hole, the fixing block, the second fixing hole, the first mounting hole, the mounting frame, the connecting plate, the second mounting hole and the mounting block can realize the quick assembly of adjacent two partition bodies in the horizontal and vertical directions, thereby effectively improving the assembly efficiency and improving the practicability of the partition. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole structure schematic view of the fuel cell partition in the utility model embodiment;

[0021] Figure 2 It is a left view partial structure schematic view of the fuel cell partition in the utility model embodiment;

[0022] Figure 3 It is a right view partial structure schematic view of the fuel cell partition in the utility model embodiment;

[0023] Figure 4It is a top view partial structure schematic view of the fuel cell separator in the embodiment of the utility model;

[0024] Figure 5 It is a bottom view partial structure schematic view of the fuel cell separator in the embodiment of the utility model.

[0025] Reference numerals in the drawing:

[0026] 1, first placement cavity, 2, separator body, 3, wire hole, 4, insulating convex strip, 5, second placement cavity, 6, heat dissipation hole, 7, type plate, 8, first fixing hole, 9, fixed block, 10, second fixing hole, 11, first mounting hole, 12, mounting frame, 13, connecting plate, 14, second mounting hole, 15, mounting block, 16, first reinforcing rib, 17, second reinforcing rib. DETAILED DESCRIPTION

[0027] In order to make the skilled in the art better understand the technical scheme of the utility model, the utility model is described in detail below in conjunction with the drawings, and the description in this part is only exemplary and explanatory, and should not have any limiting effect on the protection scope of the utility model.

[0028] It should be noted that: similar signs and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0029] It should be noted that: similar signs and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0030] In addition, the terms "horizontal", "vertical", "overhang" and other terms do not mean that the components must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0031] In the description of the utility model, still need to explain, unless another explicit provision and limitation, term "arrangement", "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication。For ordinary skilled person in the art, the above-mentioned terms can be understood according to the specific meaning of the utility model.

[0032] As Figures 1-5 The utility model discloses a kind of fuel cell separators, the fuel cell separator includes separator body 2, the upper end inside of separator body 2 is equipped with first placement cavity 1, the lower end inside of separator body 2 is equipped with second placement cavity 5, a plurality of insulating ribs 4 are uniformly arranged on the inner wall of first placement cavity 1 and second placement cavity 5, heat dissipation hole 6 is opened between the inner wall of first placement cavity 1 and second placement cavity 5 and adjacent two insulating ribs 4, wire hole 3 is opened between first placement cavity 1 and second placement cavity 5 and is communicated with first placement cavity 1 and second placement cavity 5 respectively.

[0033] As Figure 1 When using, the safety can be improved by the mutual cooperation of multiple insulating ribs 4 to insulate the fuel cell and the separator body 2;Multiple heat dissipation holes 6 are provided, which can achieve more comprehensive heat dissipation, not only high heat dissipation efficiency, but also good heat dissipation effect, and solve the problem of no insulation protection effect in actual use of fuel cell separator, significantly improve the safety of fuel cell.

[0034] The left side of separator body 2 is fixedly connected with a type plate 7, the top and bottom of a type plate 7 are provided with first fixing hole 8, the right side of separator body 2 is fixedly connected with fixed block 9, the surface of fixed block 9 is provided with second fixing hole 10, the front and back of separator body 2 upper end are both fixedly connected with mounting frame 12, the outer wall of mounting frame 12 is provided with first mounting hole 11 communicated with its inside, the front and back of separator body 2 lower end are both fixedly connected with connecting plate 13, and the number of connecting plate 13 is four, the bottom of connecting plate 13 is fixedly connected with mounting block 15, the outer wall of mounting block 15 is provided with second mounting hole 14;The number of fixed block is four, the inner wall of second fixing hole 10 is provided with internal thread, the number of mounting block 15 is four, the inner wall of second mounting hole 14 is provided with internal thread.

[0035] Specifically, please refer to Figure 1 、 2As shown, the first reinforcing rib 16 is arranged on the left and right outer walls of the partition body 2, and the second reinforcing rib 17 is arranged on the front and rear outer walls of the partition body 2, so that the strength of the partition body 2 is improved.

[0036] As shown in Figure 2 , Figure 3 、 Figure 4 and Figure 5 shown, when the horizontal installation of the two adjacent partition bodies 2 is needed in use, the fixing block 9 on one of the partition bodies 2 can be inserted into the L-shaped plate 7 on the other partition body 2, and then the first fixing hole 8 and the second fixing hole 10 are fixed by rotating the fastening bolt, so that the horizontal installation of the two adjacent partition bodies 2 is completed.

[0037] At the same time, when the vertical installation of the two adjacent partition bodies 2 is needed, the mounting block 15 at the bottom of one of the partition bodies 2 can be inserted into the mounting frame 12 on the other partition body 2, and then the first mounting hole 11 and the second mounting hole 14 are fixed by rotating the fastening bolt again, so that the vertical installation of the two adjacent partition bodies 2 is completed.

[0038] Therefore, by quickly assembling the two adjacent partition bodies 2 in horizontal and vertical directions, the efficiency of assembly can be effectively improved, and the practicability of the partition is improved.

[0039] The specific use process of the fuel cell partition is as follows:

[0040] The utility model can insulate and protect the fuel cell and the partition body 2 through the cooperation of the multiple insulation protrusions 4, improve the safety, and is provided with multiple heat dissipation holes 6, can realize more comprehensive heat dissipation, improve the heat dissipation efficiency, and further improve the heat dissipation effect.

[0041] When the horizontal installation of two adjacent partition bodies 2 is needed, the fixing block 9 on one of the partition bodies 2 can be inserted into the L-shaped plate 7 on the other partition body 2, and then fixed by rotating the fastening bolt into the first fixing hole 8 and the second fixing hole 10, so as to complete the horizontal installation of the two adjacent partition bodies 2; at the same time, when the vertical installation of two adjacent partition bodies 2 is needed, the mounting block 15 at the bottom of one of the partition bodies 2 can be inserted into the mounting frame 12 on the other partition body 2, and then the matched fastening bolt is rotated into the first mounting hole 11 and the second mounting hole 14 for fixation, so as to complete the vertical installation of the two adjacent partition bodies 2, thereby the horizontal and vertical installation of the two adjacent partition bodies 2 can be quickly assembled, the efficiency of the assembly can be effectively improved, and the practicability of the partition is improved.

[0042] It should be particularly pointed out that the standard parts used in the present application can be purchased from the market, and can be ordered according to the description and drawings, and the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, and the mechanical parts and equipment adopt the conventional type in the prior art, and the electrical elements appearing in the present application are externally connected to the power supply and control switch during use, the control mode is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming by the person skilled in the art, and it is the common knowledge in the art, therefore the control mode and circuit connection of the present application will not be explained in detail, and the external controller mentioned in the description can control the electrical elements mentioned in the present application, and the external controller is a conventional known device.

[0043] Although the present application is disclosed as above, the present application is not limited thereto. Any person skilled in the art can make several modifications and improvements without departing from the concept of the present application, and these all belong to the protection scope of the present application, therefore the protection scope of the present application patent should be limited by the scope defined in the claims.

Claims

1. A fuel cell separator characterized by: The utility model provides a partition body (2), the inside of upper end of partition body (2) is equipped with first placement cavity (1), the inside of lower end of partition body (2) is equipped with second placement cavity (5), the inner wall of first placement cavity (1) and second placement cavity (5) is evenly provided with a plurality of insulation convex strip (4), the inner wall of first placement cavity (1) and second placement cavity (5) is located between two adjacent insulation convex strip (4) and is provided with heat dissipation hole (6), first placement cavity (1) and second placement cavity (5) are provided with the wire hole (3) of communication with first placement cavity (1) and second placement cavity (5) respectively.

2. The fuel cell separator of claim 1, wherein: The left side of the partition body (2) is fixedly connected with a type plate (7), and the top and bottom of the type plate (7) are provided with first fixing holes (8).

3. The fuel cell separator of claim 1, wherein: The right side of the partition body (2) is fixedly connected with a fixed block (9), and the surface of the fixed block (9) is provided with a second fixing hole (10).

4. The fuel cell separator of claim 1, wherein: The front and rear surfaces of the upper end of the partition body (2) are fixedly connected with mounting frames (12), and the outer wall of the mounting frame (12) is provided with a first mounting hole (11) in communication with the inside thereof.

5. The fuel cell separator of claim 1, wherein: The front and rear surfaces of the lower end of the partition body (2) are fixedly connected with connecting plates (13), and the number of the connecting plates (13) is four.

6. The fuel cell separator of claim 5, wherein: The bottom of the connecting plate (13) is fixedly connected with a mounting block (15), and the outer wall of the mounting block (15) is provided with a second mounting hole (14).

7. The fuel cell separator of claim 3, wherein: The number of the fixed block (9) is four, and the inner wall of the second fixing hole (10) is provided with internal threads.

8. The fuel cell separator of claim 6, wherein: The number of the mounting block (15) is four, and the inner wall of the second mounting hole (14) is provided with internal threads.

9. The fuel cell separator of claim 1, wherein: The left and right outer walls of the partition body (2) are provided with first reinforcing ribs (16).

10. The fuel cell separator of claim 1, wherein: The front and rear outer walls of the partition body (2) are provided with second reinforcing ribs (17).