CN212366013U

CN212366013U - Integrated fuel cell stack

Info

Publication number: CN212366013U
Application number: CN202021524348.8U
Authority: CN
Inventors: 陆维; 刘元宇; 柴茂荣; 魏刚; 耿珺; 杨凯
Original assignee: Spic Hydrogen Energy Technology Development Co Ltd
Current assignee: Spic Hydrogen Energy Technology Development Co Ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-01-15
Anticipated expiration: 2030-07-28

Abstract

The utility model provides an integrated form fuel cell pile, include pile body, distributor, encapsulation box, power detection module and patrol and examine the module. The galvanic pile body is located the packaging box, the distributor is connected with the galvanic pile body and connected with the packaging box, the distributor is provided with a hydrogen inlet, a hydrogen outlet, an air inlet, an air outlet, a cooling water inlet and a cooling water outlet, and a hydrogen distribution flow passage, a hydrogen recovery flow passage, an air distribution flow passage and an air recovery flow passage are arranged in the distributor. The power detection module and the inspection module are electrically connected with the galvanic pile body, the power detection module and the inspection module are both installed on the packaging box body, and the power detection module and the inspection module are electrically connected with the galvanic pile body through an opening formed in the packaging box body. The integrated fuel cell stack has the characteristics of high integration level, compact structure and convenient installation.

Description

Integrated fuel cell stack

Technical Field

The utility model belongs to the technical field of the fuel cell technique and specifically relates to a fuel cell pile integrated packaging structure is related to.

Background

The fuel cell is a device for converting chemical energy in hydrogen fuel into electric energy, and the fuel cell becomes a hotspot of research in the field of energy sources because of the advantages of low working temperature, no pollution, no corrosion, high energy conversion rate, large specific power, quick start and the like. The operation of a fuel cell requires a series of auxiliary equipment to work in conjunction with the fuel cell stack to form a fuel cell power generation system. At present, the integrated packaging scheme of the fuel cell stack is less, the fuel cell stack is generally complex, the packaging structure of the fuel cell stack is often not compact enough, the integration level is not high, and the installation and the maintenance are very inconvenient.

Disclosure of Invention

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. To this end, embodiments of the present invention provide an integrated fuel cell stack.

According to the utility model discloses integrated form fuel cell stack, include: the fuel cell stack comprises a stack body, a first end plate and a second end plate, wherein the first end and the second end are opposite to each other in a first preset direction; a distributor for distributing and recovering hydrogen, air and cooling water, the distributor being connected to the first end plate; the packaging box body comprises a body, the body is provided with an inner cavity, the inner cavity is provided with a first opening and a second opening, the first opening and the second opening are opposite in the first preset direction, the pile body is positioned in the inner cavity, and the distributor is positioned at the first opening and connected with the packaging box body; and power detection module and patrol and examine the module, power detection module with patrol and examine the module with the pile body electricity is connected, power detection module with patrol and examine the module all install in on the encapsulation box, the inner chamber still has third opening and fourth opening, power detection module install in third opening department, patrol and examine the module install in fourth opening department.

According to the utility model discloses integrated form fuel cell pile, including power detection module and patrol and examine the module, the running state that can real-time supervision pile, the external output of pile has improved fuel cell pile operation security. Utility model's integrated form fuel cell pile all links to each other pile body, power detection module and the module of patrolling and examining with the encapsulation box, makes fuel cell pile structural design compact, has improved fuel cell pile's integrated level. Through each opening on the encapsulation box, realized pile body, power detection module and patrol and examine the convenient installation of module, still make the maintenance to power detection module and patrol and examine the module more convenient, consequently can effectively improve assembly efficiency, the maintenance efficiency of fuel cell pile.

The utility model discloses an integrated form fuel cell pile imports and exports hydrogen, air inlet and outlet and cooling water import and export, hydrogen distribution and retrieve runner, air distribution and retrieve the runner and integrate to the distributor for hydrogen, air and cooling water concentrate on the distributor and distribute and retrieve, have further improved the wholeness and the integrated level of fuel cell pile encapsulation.

Therefore, the utility model discloses an integrated form fuel cell pile has integrated level height, compact structure and simple to operate's characteristics.

In addition, the integrated fuel cell stack according to the utility model also has the following additional technical features:

in some embodiments, the dispenser has a hydrogen inlet, a hydrogen outlet, an air inlet, an air outlet, a cooling water inlet and a cooling water outlet, a hydrogen distribution flow passage, a hydrogen recovery flow passage, an air distribution flow passage and an air recovery flow passage are provided in the dispenser, the hydrogen distribution flow passage and the hydrogen recovery flow passage are communicated with the plurality of hydrogen chambers, the hydrogen inlet is communicated with the hydrogen distribution flow passage, the hydrogen recovery flow passage is communicated with the hydrogen outlet, the air distribution flow passage and the air recovery flow passage are communicated with the plurality of air chambers, the air inlet is communicated with the air distribution flow passage, the air recovery flow passage is communicated with the air outlet, the cooling water inlet is communicated with the cooling water chamber, and the cooling water chamber is communicated with the cooling water outlet.

In some embodiments, the stack body includes a bipolar plate and a membrane electrode stacked on each other, the stack body includes a plurality of cooling water chambers, the distributor further includes a cooling water distribution flow passage and a cooling water recovery flow passage, the cooling water distribution flow passage and the cooling water recovery flow passage communicate with the plurality of cooling water chambers, the cooling water inlet communicates with the cooling water distribution flow passage, and the cooling water recovery flow passage communicates with the cooling water outlet.

In some embodiments, the distributor further includes a first end cap, and the distributor has a third end and a fourth end opposite to each other in the first predetermined direction, the third end is connected to the first end plate, the fourth end is an end away from the first end plate, and the first end cap is fastened to the fourth end.

In some embodiments, the first end cap has a recess in which at least a portion of the dispenser is located, a bottom wall surface of the recess overlying the fourth end, a side wall of the recess overlying a perimeter of the at least a portion of the dispenser; the integrated fuel cell stack further comprises a hydrogen gas inlet pipe, a hydrogen gas outlet pipe, an air inlet pipe, an air outlet pipe, a cooling water inlet pipe and a cooling water outlet pipe, wherein the hydrogen gas inlet pipe, the hydrogen gas outlet pipe, the air inlet pipe, the air outlet pipe, the cooling water inlet pipe and the cooling water outlet pipe are respectively connected with the hydrogen gas inlet, the hydrogen gas outlet, the air inlet, the air outlet, the cooling water inlet and the cooling water outlet; optionally, at least one of the hydrogen inlet pipe, the hydrogen outlet pipe, the air inlet pipe, the air outlet pipe, the cooling water inlet pipe and the cooling water outlet pipe penetrates through the side wall of the groove to be connected with the distributor.

In some embodiments, the dispenser further comprises a second end cap disposed on the packaging box, the second end cap covering the second opening, and the dispenser covering the first opening.

In some embodiments, a first sealing groove and a second sealing groove are formed in the packaging box body, a first sealing ring is arranged in the first sealing groove, a second sealing ring is arranged in the second sealing groove, the distributor abuts against the first sealing ring, and the second end cover abuts against the second sealing ring.

In some embodiments, the stack body includes a strong current end and a weak current end, the strong current end and the weak current end are opposite in a second preset direction, and the first preset direction is perpendicular to the second preset direction.

In some embodiments, the body has a first access opening and a second access opening, the first access opening is located on a side wall of the body close to the strong current end, the second access opening is located on a side wall of the body close to the weak current end, the package box further comprises a strong current access cover and a weak current access cover, the strong current access cover is detachably arranged on the body, the strong current access cover covers the first access opening, the weak current access cover is detachably arranged on the body, and the weak current access cover covers the second access opening.

In some embodiments, the third opening and the fourth opening are opposite in the second predetermined direction.

In some embodiments, the package box further includes a first sealing cover and a second sealing cover, the first sealing cover is detachably disposed on the body, the first sealing cover covers the third opening, the second sealing cover is detachably disposed on the body, and the second sealing cover covers the fourth opening; optionally, the third opening is located on a side of the body near the strong end, and the fourth opening is located on a side of the body near the weak end.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a three-dimensional view of an integrated fuel cell stack according to an embodiment of the present invention.

Fig. 2 is a three-dimensional view of an integrated fuel cell stack according to an embodiment of the present invention.

Reference numerals: the device comprises a distributor 1, a packaging box body 2, a strong current access cover 21, a weak current access cover 22, a first sealing cover 3, a second sealing cover 4, a first end cover 5 and a second end cover 6.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

An integrated fuel cell stack according to an embodiment of the present invention is described below with reference to fig. 1 and 2.

As shown in fig. 1 and fig. 2, the integrated fuel cell stack according to the embodiment of the present invention includes a stack body, a distributor 1, a packaging box 2, a power detection module and an inspection module.

The stack body (not shown in the figure) comprises a first end and a second end which are opposite in a first preset direction, the first end is provided with a first end plate, and the second end is provided with a second end plate. The stack body further includes a plurality of hydrogen chambers, a plurality of air chambers, and a cooling water chamber. The hydrogen chambers, the air chambers and the cooling water chambers are isolated from each other.

The distributor 1 is connected with a first end plate of the pile body, the distributor 1 is provided with a hydrogen inlet, a hydrogen outlet, an air inlet, an air outlet, a cooling water inlet and a cooling water outlet, and a hydrogen distribution flow passage, a hydrogen recovery flow passage, an air distribution flow passage and an air recovery flow passage are arranged in the distributor 1.

The hydrogen distribution flow channel and the hydrogen recovery flow channel are communicated with the plurality of hydrogen chambers, the hydrogen inlet is communicated with the hydrogen distribution flow channel, and the hydrogen recovery flow channel is communicated with the hydrogen outlet. The air distribution flow channel and the air recovery flow channel are communicated with the air chambers, the air inlet is communicated with the air distribution flow channel, and the air recovery flow channel is communicated with the air outlet. The cooling water inlet is communicated with the cooling water chamber, and the cooling water chamber is communicated with the cooling water outlet.

The enclosure 2 comprises a body having an internal cavity with a first opening and a second opening, the first opening and the second opening being opposite in a first predetermined direction. The pile body is arranged in the inner cavity, and the distributor 1 is positioned at the first opening and is connected with the packaging box body 2. The distributor 1 is connected to the stack body in the inner cavity.

The power supply detection module and the inspection module are electrically connected with the galvanic pile body. The power detection module and the inspection module are both arranged on the packaging box body 2. The inner cavity is also provided with a third opening and a fourth opening, the power supply detection module is installed at the third opening, and the inspection module is installed at the fourth opening. The power detection module realizes the electric connection with the galvanic pile body located in the packaging box body 2 through the third opening, and the inspection module realizes the electric connection with the galvanic pile body located in the packaging box body 2 through the fourth opening.

According to the utility model discloses an integrated form fuel cell pile, including power detection module and patrol and examine the module, the running state that can real-time supervision pile, the external output of pile has improved fuel cell pile operation security. Utility model's integrated form fuel cell pile all links to each other pile body, power detection module and the module of patrolling and examining with the encapsulation box, makes fuel cell pile structural design compact, has improved fuel cell pile's integrated level. Through each opening on the encapsulation box, realized pile body, power detection module and patrol and examine the convenient installation of module, still make the maintenance to power detection module and patrol and examine the module more convenient, consequently can effectively improve assembly efficiency, the maintenance efficiency of fuel cell pile.

As an example, the stack body may include a plurality of hydrogen chambers, a plurality of air chambers, and a plurality of cooling water chambers. The hydrogen chambers, the air chambers, the cooling water chambers, and the hydrogen chambers, the air chambers and the cooling water chambers are isolated from each other. The distributor 1 further includes a cooling water distribution flow passage and a cooling water recovery flow passage. The cooling water distribution flow passage and the cooling water recovery flow passage are communicated with the cooling water chamber, the cooling water inlet is communicated with the cooling water distribution flow passage, and the cooling water recovery flow passage is communicated with the cooling water outlet.

As shown in fig. 1, a stack body includes, as an example, a bipolar plate and a membrane electrode, which are stacked one on another.

The distributor 1 has a third end and a fourth end opposite to each other in a first preset direction, the distributor 1 further has a peripheral surface, the third end is connected with the first end plate of the stack body, and the fourth end is an end far away from the first end plate.

In order to make the technical solution of the present application easier to understand, the following further describes the technical solution of the present application by taking the first preset direction as the front-back direction as an example. The front-back direction is shown by the arrows in fig. 1.

As shown in fig. 1, the first end plate of the stack body is located in front of the second end plate, and the fourth end of the distributor 1 is located in front of the third end. The circumference of the distributor 1 is the surface of the distributor 1 between the third end and the fourth end. These are imported and exported and are set up in distributor 1, the installation of the first end cover 5 of being convenient for, and make the utility model discloses integrated form fuel cell pile's structure is more reasonable.

Further, the integrated fuel cell stack of the present invention further includes a first end cap 5. The first end cap 5 is snapped onto the fourth end of the dispenser 1. For example, the first end cap 5 is fitted over the dispenser 1 from the front end of the dispenser 1. The first end cap 5 is connected to the dispenser 1. As an example, the first end cap 5 is connected to the dispenser 1 by fixing bolts.

As an example, as shown in fig. 1, the first end cap 5 has a first groove having a bottom wall surface and a side wall connected to the bottom wall surface around a peripheral edge of the bottom wall surface, the side wall extending rearward from where the bottom wall surface is connected, thereby forming a first groove opening rearward. For example, the first groove is provided on the rear surface of the first end surface 5. The bottom wall surface of the first groove is a wall surface of the first groove opposite to the opening of the first groove.

At least a part of the dispenser 1 is located in the first groove, the bottom wall surface of the first groove covers the fourth end of the dispenser 1, and the side wall of the first groove covers the circumferential surface of the at least a part of the dispenser 1. That is, the first end cap 5 completely covers the fourth end of the dispenser 1 and wraps around the circumference of the at least a portion of the dispenser 1. When other modules or pipelines are further connected to the fourth end of the distributor 1, a certain gap is formed between the bottom wall surface of the first end cap 5 and the fourth end of the distributor 1, so as to provide an installation space for the modules or pipelines. It can also be said that the first end cap 5 defines a space between the dispenser 1 for installing modules or lines. The first end cap 5 can function to protect the various modules and lines mounted on the dispenser 1. The first end cap 5 can also function as a dust guard.

Further, the utility model discloses integrated form fuel cell pile still includes the hydrogen intake pipe, the hydrogen outlet duct, the air intake pipe, the air outlet duct, cooling water inlet tube and cooling water outlet pipe, this hydrogen intake pipe, this hydrogen outlet duct, this air intake pipe, this air outlet duct, this cooling water inlet tube and this cooling water outlet pipe link to each other with the hydrogen import on distributor 1 global respectively, hydrogen export, air intlet, air outlet, cooling water import and cooling water export for introduce or draw forth distributor 1 with hydrogen, air or cooling water.

Optionally, at least one of the hydrogen inlet pipe, the hydrogen outlet pipe, the air inlet pipe, the air outlet pipe, the cooling water inlet pipe and the cooling water outlet pipe passes through the side wall of the first end cover 5 to be connected with the distributor 1. For example, a bayonet which can be matched with a pipeline is arranged on the side wall of the first end cap 5, and when the first end cap 5 is installed on the distributor 1, the bayonet can be clamped on the pipeline corresponding to the bayonet, so that the first end cap 5 can smoothly reach the installation position and be connected with the distributor 1. This design allows the first end cap 5 to be mounted without being obstructed by the individual pipes connected to the circumference of the distributor 1, so that the side walls of the first end cap 5 can better cover the circumference of the distributor 1.

Further, the integrated fuel cell stack of the embodiment of the present invention further includes a second end cap 6, the second end cap 6 is installed on the packaging box 2, and the second end cap 6 covers the second opening of the packaging box 2. For example, the second end cap 6 is fitted over the rear end of the package body 2 to close the second opening (rear opening) of the package body 2. As an example, the second end cap 6 has a second recess, and the second end cap 6 is fitted from the rear end of the package body 2 when mounted, and the rear end of the package body 2 protrudes into the second recess. The second end cap 6 is connected to the package housing 2, and the second end cap 6 may be connected to the package housing 2 by a fixing bolt, for example.

As shown in fig. 1, the dispenser 1 is also provided on the packing case 2, and the dispenser 1 covers the first opening of the packing case 2. For example, the dispenser 1 is fitted over the front end of the package case to close the first opening (front opening) of the package case 2. The dispenser 1 and the second end cap 6 correspond in a first predetermined direction.

Further, the dispenser 1 and the second end cap 6 each form a seal with the package body 2. Optionally, the package body 2 has a first end (front end) and a second end (rear end), a first sealing groove is disposed on a sidewall of the first end, and a first sealing ring is disposed in the first sealing groove. And a second sealing groove is formed in the side wall of the second end, and a second sealing ring is arranged in the second sealing groove. The distributor 1 is sleeved on the first end and tightly propped against the first sealing ring to form sealing. The second end cap 6 is sleeved on the second end and tightly abutted against the second sealing ring to form sealing. So that sealing between the dispenser 1 and the second end cap 6 and the package body 2 can be achieved. The first sealing groove and the second sealing groove may be arranged in the first preset direction, so that the sealing performance can be further improved.

The stack body includes a strong current end and a weak current end, and as an example, the strong current end and the weak current end are opposite in a second preset direction, which is perpendicular to the first preset direction, that is, the strong current end and the weak current end are respectively located at two sides of the stack body. The strong current end and the weak point end are respectively arranged on two sides of the galvanic pile body, so that mutual interference between strong current and weak current can be effectively avoided, and the reliability of the galvanic pile body is improved.

Further, the body of the packaging box body 2 is provided with a first access hole and a second access hole, the first access hole is positioned on the side wall, close to the strong electricity end, of the packaging box body 2, and the second access hole is positioned on the side wall, close to the weak point end, of the packaging box body 2. The maintainer can conveniently overhaul the forceful electric power end of galvanic pile body through first access hole, can conveniently overhaul the weak current end of galvanic pile body through the second access hole. The setting of first access hole and second access hole can realize directly overhauing the strong electricity end and the weak point end of pile body under the condition that need not take out the pile body from encapsulation box 2, improves maintenance efficiency greatly.

Further, the package box 2 further comprises a strong current access cover 21 and a weak current access cover 22, the strong current access cover 21 is detachably arranged on the body of the package box 2, the strong current access cover 21 covers the first access opening, the weak current access cover 22 is detachably arranged on the body of the package box 2, and the weak current access cover 22 covers the second access opening. In order to ensure the sealing performance of the packaging box body 2, a strong current access cover 21 and a weak current access cover 22 are in sealing connection with the body. The sealing between the strong and weak access covers 21 and 22 and the body may be achieved by seal rings and fixing bolts.

As shown in fig. 1, as an example, the third opening and the fourth opening on the package body 2 are opposed in the second preset direction. Because power detection module installs in third opening department, patrols and examines the module and install in fourth opening department, also can say that power detection module and the module of patrolling and examining are relative on the second preset direction. As shown in fig. 1, the third opening and the fourth opening are respectively located at two sides of the packaging box 2, that is, the power detection module and the inspection module are respectively located at two sides of the electric pile body.

Further, the packing case 2 further includes a first sealing cover 3 and a second sealing cover 4. The first sealing cover 3 is detachably arranged on the body of the packaging box body 2, and the first sealing cover 3 covers the third opening. The second sealing cover 4 is detachably arranged on the body of the packaging box body 2, and the second sealing cover 4 covers the fourth opening. It should be noted that the first sealing cover 3 covers not only the third opening but also the power detection module. The second sealing cover 4 covers not only the fourth opening but also the inspection module.

Furthermore, the third opening is located on one side of the body close to the strong electric end, and the fourth opening is located on one side of the body close to the weak point end. The power supply detection module is connected with the strong electricity end of the galvanic pile body and used for detecting the running state of the galvanic pile body in real time and controlling the external output of the galvanic pile body. The inspection module is connected with the weak point end of the galvanic pile body and is used for monitoring parameters such as the voltage of a galvanic pile single cell, the water content of the galvanic pile and the like in real time and providing corresponding data support for the control of the galvanic pile.

The utility model provides an when integrated form fuel cell pile assembles, at first pass through fixing bolt fastening with pile body and distributor 1 and be in the same place, pack into package box 2 with pile body and distributor 1 from package box 2's first opening again, install distributor 1 and package box 2 together through the bolt, install power detection module afterwards in proper order, patrol and examine the module, forceful electric power access cover, light current access cover, first sealed lid 3, the sealed lid 4 of second, first end cover 1 and second end cover 2, finally accomplish the equipment.

In the description of the present invention, it is to be understood that the terms "center", "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, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the present disclosure, the terms "one embodiment," "some embodiments," "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 present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. An integrated fuel cell stack, comprising:

the fuel cell stack comprises a stack body, a first end plate and a second end plate, wherein the first end and the second end are opposite to each other in a first preset direction;

a distributor for distributing and recovering hydrogen, air and cooling water, the distributor being connected to the first end plate;

the packaging box body comprises a body, the body is provided with an inner cavity, the inner cavity is provided with a first opening and a second opening, the first opening and the second opening are opposite in the first preset direction, the pile body is positioned in the inner cavity, and the distributor is positioned at the first opening and connected with the packaging box body; and

power detection module with patrol and examine the module, power detection module with patrol and examine the module with the pile body electricity is connected, power detection module with patrol and examine the module all install in on the encapsulation box, the inner chamber still has third opening and fourth opening, power detection module install in third opening department, patrol and examine the module install in fourth opening department.

2. The integrated fuel cell stack of claim 1 wherein the distributor has a hydrogen inlet, a hydrogen outlet, an air inlet, an air outlet, a cooling water inlet, and a cooling water outlet, the distributor is internally provided with a hydrogen distribution flow passage, a hydrogen recovery flow passage, an air distribution flow passage and an air recovery flow passage, the hydrogen distribution flow passage and the hydrogen recovery flow passage are communicated with the plurality of hydrogen chambers, the hydrogen inlet is communicated with the hydrogen distribution flow passage, the hydrogen recovery flow passage is communicated with the hydrogen outlet, the air distribution flow passage and the air recovery flow passage are communicated with the plurality of air chambers, the air inlet is communicated with the air distribution flow passage, the air recovery flow passage is communicated with the air outlet, the cooling water inlet is communicated with the cooling water chamber, and the cooling water chamber is communicated with the cooling water outlet.

3. The integrated fuel cell stack of claim 2 wherein the stack body comprises a bipolar plate and a membrane electrode, the bipolar plate and the membrane electrode being stacked on each other, the stack body comprising a plurality of cooling water chambers, the distributor further comprising a cooling water distribution flow channel and a cooling water recovery flow channel, the cooling water distribution flow channel and the cooling water recovery flow channel being in communication with the plurality of cooling water chambers, the cooling water inlet being in communication with the cooling water distribution flow channel, the cooling water recovery flow channel being in communication with the cooling water outlet.

4. The integrated fuel cell stack of claim 2 further comprising a first end cap, wherein the distributor has a third end and a fourth end opposite to each other in the first predetermined direction, the third end is connected to the first end plate, the fourth end is a end away from the first end plate, the first end cap is fastened to the fourth end, and the first end cap is connected to the distributor.

5. The integrated fuel cell stack of claim 4 wherein the first end cap has a recess in which at least a portion of the distributor is located, a bottom wall of the recess overlying the fourth end, a side wall of the recess overlying a perimeter of the at least a portion of the distributor;

the integrated fuel cell stack further comprises a hydrogen gas inlet pipe, a hydrogen gas outlet pipe, an air inlet pipe, an air outlet pipe, a cooling water inlet pipe and a cooling water outlet pipe, wherein the hydrogen gas inlet pipe is connected with the hydrogen gas inlet pipe, the hydrogen gas outlet pipe is connected with the air inlet pipe, the air outlet pipe is connected with the cooling water inlet pipe, and the cooling water outlet pipe is connected with the cooling water outlet pipe.

6. The integrated fuel cell stack of claim 5, wherein at least one of the hydrogen gas inlet pipe, the hydrogen gas outlet pipe, the air inlet pipe, the air outlet pipe, the cooling water inlet pipe, and the cooling water outlet pipe is connected to the distributor through a side wall of the groove.

7. The integrated fuel cell stack of claim 1 further comprising a second end cap disposed on the containment case, the second end cap covering the second opening, the distributor covering the first opening.

8. The integrated fuel cell stack of claim 7 wherein the enclosure housing defines a first seal channel and a second seal channel, the first seal channel defines a first seal ring therein, the second seal channel defines a second seal ring therein, the distributor abuts the first seal ring, and the second end cap abuts the second seal ring.

9. The integrated fuel cell stack of claim 1 wherein the stack body includes a strong current end and a weak current end, the strong current end and the weak current end being opposite in a second predetermined direction, the first predetermined direction being perpendicular to the second predetermined direction.

10. The integrated fuel cell stack of claim 9 wherein the body has a first access opening and a second access opening, the first access opening being located on a side wall of the body near the high current end, the second access opening being located on a side wall of the body near the low current end, the enclosure further comprising a high current access cover and a low current access cover, the high current access cover being removably disposed on the body, the high current access cover covering the first access opening, the low current access cover being removably disposed on the body, the low current access cover covering the second access opening.

11. The integrated fuel cell stack of claim 1 wherein the third opening and the fourth opening are opposed in a second predetermined direction, the first predetermined direction and the second predetermined direction being perpendicular to each other.

12. The integrated fuel cell stack of claim 10 wherein the enclosure housing further comprises a first seal cover removably disposed on the body, the first seal cover covering the third opening, and a second seal cover removably disposed on the body, the second seal cover covering the fourth opening.

13. The integrated fuel cell stack of claim 12 wherein the third opening is located on a side of the body proximate the strong electrical end and the fourth opening is located on a side of the body proximate the weak electrical end.