CN218160464U - Fuel cell, fuel cell stack, and fuel cell stack system - Google Patents

Abstract

The utility model discloses a fuel cell, fuel cell pile and fuel cell pile system, the anode plate with the cathode plate sets up along first direction relatively, the membrane electrode sets up between anode plate and the cathode plate, the anode plate with inject a plurality of anode chambers between the membrane electrode, the cathode plate with inject a plurality of cathode chamber between the membrane electrode, it is a plurality of the anode chamber is with a plurality of the cathode chamber one-to-one, the anode plate has a plurality of anode manifold import and a plurality of anode manifold export, every the anode chamber with one the anode manifold import and one the anode manifold export all communicates, the cathode plate has a plurality of cathode manifold import and a plurality of cathode manifold export, every the cathode chamber with one the cathode manifold import and one the cathode manifold export all communicates. The utility model discloses fuel cell has output advantage such as high.

Description

Fuel cell, fuel cell stack, and fuel cell stack system

Technical Field

The utility model relates to a fuel cell technical field, concretely relates to fuel cell, fuel cell pile and fuel cell pile system.

Background

As a stationary power generation fuel cell stack, high output power is generally required, but the output power of the fuel cell stack is generally limited due to the limitations of the area of the active region and the number of the cell stacks, and it is difficult to meet the power demand of a high power system.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent.

Therefore, the embodiment of the present invention provides a fuel cell with high output.

The embodiment of the utility model provides a fuel cell galvanic pile that output is high.

The embodiment of the utility model provides a fuel cell stack system that output is high and output is stable.

The fuel cell provided by the embodiment of the utility model comprises an anode plate, a cathode plate and a membrane electrode, wherein the anode plate and the cathode plate are oppositely arranged along a first direction; the membrane electrode is arranged between the anode plate and the cathode plate, a plurality of anode chambers are defined between the anode plate and the membrane electrode, a plurality of cathode chambers are defined between the cathode plate and the membrane electrode, the plurality of anode chambers correspond to the plurality of cathode chambers one by one, the anode plate is provided with a plurality of anode manifold inlets and a plurality of anode manifold outlets, each anode chamber is communicated with one anode manifold inlet and one anode manifold outlet, the cathode plate is provided with a plurality of cathode manifold inlets and a plurality of cathode manifold outlets, and each cathode chamber is communicated with one cathode manifold inlet and one cathode manifold outlet.

The fuel cell of the embodiment of the utility model makes every cathode chamber have independent cathode manifold import and cathode manifold export by setting up a plurality of one-to-one's positive pole cavity and negative pole cavity to make every positive pole cavity have independent positive pole manifold import and positive pole manifold export. Compared with the fuel cell adopting a single chamber in the related art, the fuel cell provided by the embodiment of the invention has larger active area and higher output power. Therefore, the fuel cell provided by the embodiment of the utility model has the advantages of output power is high.

In some embodiments, the anode plate has an anode cooling chamber and an anode cold media manifold inlet and an anode cold media manifold outlet in communication with the anode cooling chamber;

the cathode plate has a cathode cooling chamber and a cathode cold medium manifold inlet and a cathode cold medium manifold outlet in communication with the cathode cooling chamber.

In some embodiments, the number of the anode cooling chambers is multiple, the multiple anode cooling chambers correspond to the multiple anode chambers one by one, and each anode cooling chamber and the corresponding anode chamber are arranged along the first direction;

the number of the cathode cooling chambers is multiple, the multiple cathode cooling chambers correspond to the multiple cathode chambers one by one, and each cathode cooling chamber and the corresponding cathode chamber are arranged along the first direction.

In some embodiments, at least some of the plurality of anode chambers are spaced apart in a second direction, and at least some of the plurality of cathode chambers are spaced apart in the second direction, the second direction being perpendicular to the first direction.

In some embodiments, a plurality of the cathode chambers are all spaced apart along a second direction, and a plurality of the anode chambers are all spaced apart along the second direction.

In some embodiments, a plurality of the anode chambers are arranged in a matrix in a second direction and a third direction, and a plurality of the cathode chambers are arranged in a matrix in the second direction and the third direction;

wherein the second direction is perpendicular to the third direction, and the second direction and the third direction are both perpendicular to the first direction.

In some embodiments, the anode manifold inlet and the anode manifold outlet in communication with the same anode chamber are disposed on both sides of the same anode chamber in the second direction;

the cathode manifold inlet and the cathode manifold outlet which are communicated with the same cathode chamber are arranged on two sides of the same cathode chamber in the second direction;

the anode cold medium manifold inlet and the anode cold medium manifold outlet which are communicated with the same anode cooling chamber are arranged on two sides of the same anode cooling chamber in the second direction;

the cathode cold medium manifold inlet and the cathode cold medium manifold outlet which are communicated with the same cathode cooling chamber are arranged on two sides of the same cathode cooling chamber in the second direction.

In some embodiments, each of the anode manifold inlets communicates with both of the anode chambers adjacent in the second direction; or

Each of the anode manifold outlets communicates with two of the anode chambers adjacent in the second direction; or

A portion of the anode manifold inlets communicate with both of the anode chambers adjacent in the second direction and a portion of the anode manifold outlets communicate with both of the anode chambers adjacent in the second direction.

In some embodiments, each of the cathode manifold inlets communicates with two of the cathode chambers adjacent in the second direction; or

Each cathode manifold outlet is in communication with an adjacent cathode chamber in the second direction; or

A portion of the cathode manifold inlets communicate with the cathode chambers adjacent in the second direction, and a portion of the cathode manifold outlets communicate with the cathode chambers adjacent in the second direction.

In some embodiments, each of the anode cold medium manifold inlets communicates with two of the anode cooling chambers adjacent in the second direction; or

Each anode cold medium manifold outlet is communicated with two adjacent anode cooling chambers in the second direction; or

A portion of the anode cold medium manifold inlets communicate with both of the anode cooling chambers adjacent in the second direction, and a portion of the anode cold medium manifold outlets communicate with both of the anode cooling chambers adjacent in the second direction.

In some embodiments, each of the cathode cold medium manifold inlets communicates with two of the cathode cooling chambers adjacent in the second direction; or

Each cathode cold medium manifold outlet is communicated with the cathode cooling chambers adjacent in the second direction; or

A portion of the cathode cold medium manifold inlets communicate with both of the cathode cooling chambers adjacent in the second direction, and a portion of the cathode cold medium manifold outlets communicate with both of the cathode cooling chambers adjacent in the second direction.

In some embodiments, the anode manifold inlet and the anode manifold outlet in communication with the same anode chamber are disposed on both sides of the anode plate in a third direction;

the cathode manifold inlet and the cathode manifold outlet which are communicated with the same cathode chamber are arranged on two sides of the cathode plate in a third direction;

the anode cold medium manifold inlet and the anode cold medium manifold outlet which are communicated with the same anode cooling chamber are arranged on two sides of the anode cooling chamber in a third direction;

and the cathode cold medium manifold inlet and the cathode cold medium manifold outlet which are communicated with the same cathode cooling chamber are arranged on two sides of the cathode cooling chamber in the third direction.

The utility model discloses fuel cell galvanic pile includes a plurality of fuel cell, fuel cell be above-mentioned any embodiment fuel cell, it is a plurality of fuel cell follows the range upon range of arrangement of first direction.

Because the utility model discloses fuel cell has advantages such as output is high, consequently, by the utility model discloses the fuel cell galvanic pile that fuel cell assembled also has advantages such as output is high.

In some embodiments, the fuel cell stack further comprises:

a first manifold having a first manifold inlet and a first manifold outlet;

a second manifold having a second manifold inlet and a second manifold outlet; and

the distribution plate is provided with a plurality of anode air inlet cavities, a plurality of anode air outlet cavities, a plurality of first inlets and a plurality of first outlets, the plurality of first inlets, the plurality of anode air inlet cavities and the plurality of anode manifold inlets are in one-to-one correspondence, each first inlet is communicated with the corresponding anode manifold inlet through the corresponding anode air inlet cavity, the plurality of first outlets, the plurality of anode air outlet cavities and the plurality of anode manifold outlets are in one-to-one correspondence, and each first outlet is communicated with the corresponding anode manifold outlet through the corresponding anode air outlet cavity.

In some embodiments, the fuel cell stack further comprises:

a third manifold having a third manifold inlet and a third manifold outlet;

a fourth manifold having a fourth manifold inlet and a fourth manifold outlet; and

the distribution plate is provided with a plurality of cathode air inlet cavities, a plurality of cathode air outlet cavities, a plurality of third inlets and a plurality of third outlets, the plurality of third inlets, the plurality of cathode air inlet cavities and the plurality of cathode manifold inlets are in one-to-one correspondence, each third inlet is communicated with the corresponding cathode manifold inlet through the corresponding cathode air inlet cavity, the plurality of third outlets, the plurality of cathode air outlet cavities and the plurality of cathode manifold outlets are in one-to-one correspondence, and each third outlet is communicated with the corresponding cathode manifold outlet through the corresponding cathode air outlet cavity.

In some embodiments, the fuel cell stack further comprises:

a fifth manifold having a fifth manifold inlet and a fifth manifold outlet;

a sixth manifold having a sixth manifold inlet and a sixth manifold outlet; and

the distribution plate is provided with a plurality of cold medium inlet cavities, a plurality of cold medium outlet cavities, a plurality of fifth inlets and a plurality of fifth outlets, the plurality of fifth inlets, the plurality of cold medium inlet cavities, the plurality of anode cold medium manifold inlets and the plurality of cathode cold medium manifold inlets correspond to one another, each fifth inlet is communicated with the corresponding anode cold medium manifold inlet and the corresponding cathode cold medium inlet through the corresponding cold medium inlet cavity, the plurality of fifth outlets, the plurality of cold medium outlet cavities, the plurality of anode cold medium manifold outlets and the plurality of cathode cold medium outlets correspond to one another, and each fifth outlet is communicated with the corresponding anode cold medium manifold outlet and the corresponding cathode cold medium manifold outlet through the corresponding cathode outlet cavity.

The utility model discloses fuel cell galvanic pile system, including at least one fuel cell galvanic pile, the fuel cell galvanic pile be above-mentioned arbitrary embodiment the fuel cell galvanic pile.

Because the fuel cell galvanic pile of the embodiment of the utility model has the advantages of high power, therefore, can only adopt a small amount of single fuel cell galvanic pile even to form a powerful fuel cell galvanic pile system. Compare with a plurality of independent miniwatt fuel cell galvanic pile in the correlation technique and integrate and form the fuel cell galvanic pile system that is used for high power electricity generation, have the utility model discloses the flow path control that the fuel cell galvanic pile system of fuel cell galvanic pile of embodiment relates to still less, more convenient control has strengthened the output stability of the fuel cell galvanic pile system that has the fuel cell galvanic pile of the embodiment of the utility model.

Therefore, the utility model discloses fuel cell pile system has output height and output stability advantage such as good.

Drawings

Fig. 1 is a schematic structural diagram of a fuel cell stack according to an embodiment of the present invention.

Fig. 2 is a schematic diagram of the connection between the distribution plate and the fuel cell of the fuel cell stack according to the embodiment of the present invention.

Fig. 3 is a schematic diagram of the connection between the manifold and the distribution plate of a fuel cell stack according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a part of the connection between the anode plate and the membrane electrode of the fuel cell according to the embodiment of the present invention.

Fig. 5 is a schematic structural view of a part of the connection between the cathode plate and the membrane electrode of the fuel cell according to the embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a part of the connection of the anode plate, the cathode plate and the membrane electrode of the fuel cell according to the embodiment of the present invention.

Fig. 7 is a schematic structural view of a fuel cell according to a first embodiment of the present invention.

Fig. 8 is a schematic structural view of a fuel cell according to a second embodiment of the present invention.

Fig. 9 is a schematic structural view of a fuel cell according to a third embodiment of the present invention.

Fig. 10 is a schematic structural view of a fuel cell according to a fourth embodiment of the present invention.

Fig. 11 is a schematic structural view of a fuel cell according to a fifth embodiment of the present invention.

Reference numerals:

a fuel cell stack 1000;

a fuel cell 100;

an anode plate 1; an anode manifold inlet 101; an anode manifold outlet 102; an anode cooling chamber 103; an anode cold media manifold inlet 104; anode cold media manifold outlet 105;

a cathode plate 2; a cathode manifold inlet 201; a cathode manifold outlet 202; a cathode cooling chamber 203; a cathode cold media manifold inlet 204; cathode cold media manifold outlet 205;

a membrane electrode 3;

an anode chamber 4;

a cathode chamber 5;

a first manifold 6; a first manifold inlet 601; a first manifold outlet 602;

a second manifold 7; a second manifold inlet 701; a first manifold outlet 702;

a distribution plate 8; an anode inlet chamber 801; an anode outlet chamber 802; a first inlet 803; a first outlet 804;

a first end plate 9;

a second end plate 10.

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.

The technical solution of the present application is described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 11, a fuel cell 100 according to an embodiment of the present invention includes an anode plate 1, a cathode plate 2, and a membrane electrode 3. The anode plate 1 and the cathode plate 2 are oppositely arranged along a first direction, the membrane electrode 3 is arranged between the anode plate 1 and the cathode plate 2, a plurality of anode chambers 4 are defined between the anode plate 1 and the membrane electrode 3, a plurality of cathode chambers 5 are defined between the cathode plate 2 and the membrane electrode 3, the plurality of anode chambers 4 correspond to the plurality of cathode chambers 5 in a one-to-one mode, the anode plate 1 is provided with a plurality of anode manifold inlets 101 and a plurality of anode manifold outlets 102, each anode chamber 4 is communicated with one anode manifold inlet 101 and one anode manifold outlet 102, the cathode plate 2 is provided with a plurality of cathode manifold inlets 201 and a plurality of cathode manifold outlets 202, and each cathode chamber 5 is communicated with one cathode manifold inlet 201 and one cathode manifold outlet 202.

For example, as shown in fig. 6 to 11, the first direction is the thickness direction of the anode plate 1 or the cathode plate 2. A plurality of anode chambers 4 are defined between the anode plate 1 and the membrane electrode 3, a plurality of cathode chambers 5 are defined between the cathode plate 2 and the membrane electrode 3 in a first direction, and the plurality of anode chambers 4 and the plurality of cathode chambers 5 correspond to each other in the first direction. As shown in fig. 4 and 7, the anode reaction medium enters the anode chamber 4 through the anode manifold inlet 101 and flows out through the anode manifold outlet 102, the cathode reaction medium enters the cathode chamber 5 through the cathode manifold inlet 201 and flows out through the cathode manifold outlet 202, and the anode reaction medium entering the anode chamber 4 chemically reacts with the cathode reaction medium in the corresponding cathode chamber 5.

The fuel cell 100 of the embodiment of the present invention has a plurality of anode chambers 4 and cathode chambers 5 in one-to-one correspondence, and each anode chamber 4 has an individual anode manifold inlet 101 and an individual anode manifold outlet 102, and each cathode chamber 5 has an individual cathode manifold inlet 201 and an individual cathode manifold outlet 202. Compared with the fuel cell adopting a single chamber in the related art, the fuel cell 100 of the embodiment of the present invention has a larger active area and higher output power.

Therefore, the fuel cell 100 of the embodiment of the present invention has advantages of high output power, and the like.

In some embodiments, anode plate 1 has an anode cooling chamber 103 and an anode cold media manifold inlet 104 and an anode cold media manifold outlet 105 in communication with anode cooling chamber 103, and cathode plate 2 has a cathode cooling chamber 203 and a cathode cold media manifold inlet 204 and a cathode cold media manifold outlet 205 in communication with cathode cooling chamber 203.

As shown in fig. 6 and 7, the cooling medium may be a cooling gas, such as cooling air. The cold medium enters the anode cooling chamber 103 through the anode cold medium manifold inlet 104, exchanges heat with the anode plate 1 and then flows out through the anode cold medium manifold outlet 105, enters the cathode cooling chamber 203 through the cathode cold medium manifold inlet 204, exchanges heat with the cathode plate 2 and then flows out through the cathode cold medium manifold outlet 204. From this, through set up anode cooling chamber 103 on anode plate 1 and set up negative pole cooling chamber 203 on negative plate 2, cool down respectively anode plate 1 and negative plate 2, make being in a normal operating temperature within range of anode plate 1 and negative plate 2 to improve the operational reliability of anode plate 1 and negative plate 2, thereby improve the utility model discloses fuel cell 100's operational reliability.

In some embodiments, the number of anode cooling chambers 103 is multiple, the plurality of anode cooling chambers 103 is in one-to-one correspondence with the plurality of anode chambers 4, each anode cooling chamber 103 and the corresponding anode chamber 4 are arranged along a first direction, the number of cathode cooling chambers 203 is multiple, the plurality of cathode cooling chambers 203 is in one-to-one correspondence with the plurality of cathode chambers 5, and each cathode cooling chamber 203 and the corresponding cathode chamber 5 are arranged along the first direction.

In order to make the technical solution of the present application easier to understand, the following first direction coincides with the thickness direction of the anode plate 1 or the cathode plate 2, which is shown in fig. 1 to 6, as an example, and the technical solution of the present application is further described.

It can be understood that, fuel cell 100 is in the course of the work, and anode plate 1 is higher at the partial temperature that corresponds with anode chamber 4, sets up to a plurality ofly through the quantity with anode cooling chamber 103 to in the thickness direction of anode plate 1 with a plurality of anode chamber 4 one-to-ones, be favorable to realizing the rapid cooling to anode plate 1, be favorable to improving the utility model discloses fuel cell 100's the operational reliability. Negative plate 2 is higher at the partial temperature that corresponds with cathode chamber 5, sets up to a plurality ofly through the quantity with cathode cooling chamber 203 to with a plurality of cathode chamber 5 one-to-ones on the thickness direction of negative plate 2, be favorable to realizing the rapid cooling to negative plate 2, be favorable to improving the utility model discloses fuel cell 100's operational reliability.

In some embodiments, at least some of the plurality of anode chambers 4 are spaced apart along a second direction, and at least some of the plurality of cathode chambers 5 are spaced apart along the second direction, the second direction being perpendicular to the first direction, 5.

In order to make the technical solution of the present application easier to understand, the following description will further describe the technical solution of the present application by taking the second direction as an example, which is consistent with the length direction of the anode plate 1, wherein the length direction is shown in fig. 1 to 11.

At least some of the plurality of anode chambers 4 are arranged at intervals along the second direction, it is understood that all of the plurality of anode chambers 4 are arranged at intervals along the second direction, or some of the plurality of anode chambers 4 are arranged at intervals along the second direction, and another some of the plurality of anode chambers 4 are arranged along other directions. At least some of the plurality of cathode chambers 5 are arranged at intervals along the second direction, it is understood that all of the plurality of cathode chambers 5 are arranged at intervals along the second direction, or some of the plurality of cathode chambers 5 are arranged at intervals along the second direction and some of the plurality of cathode chambers 5 are arranged at intervals along the other direction.

Therefore, the plurality of anode chambers 4 and the plurality of cathode chambers 5 of the fuel cell 100 according to the embodiment of the present invention can reasonably arrange the plurality of anode chambers 4 and the plurality of cathode chambers 5 in different directions according to specific use requirements, thereby satisfying the external dimensions and the assembly process requirements of the fuel cell stack 1000 having the fuel cell 100 according to the embodiment of the present invention.

Alternatively, a plurality of cathode chambers 5 are arranged at intervals in the second direction, and a plurality of anode chambers 4 are arranged at intervals in the second direction.

For example, as shown in fig. 7 and 8, a plurality of anode chambers 4 and a plurality of cathode chambers 5 are arranged at intervals along the length direction of the anode plate 1.

Therefore, the fuel cell 100 of the embodiment of the present invention can reduce the width of the fuel cell stack 1000 having the fuel cell 100 of the embodiment of the present invention by arranging the anode plates 1 side by side in the length direction, so that the size of the fuel cell stack 1000 in the width direction is smaller. When carrying out the pressure equipment to fuel cell pile 1000, be favorable to the distribution of pressure equipment power on fuel cell pile 1000 width direction to reduce fuel cell pile 1000's pressure equipment unevenness, thereby be favorable to improving and have the utility model discloses fuel cell pile 1000 output stability of fuel cell 100.

Alternatively, the plurality of anode chambers 4 are arranged in a matrix in a second direction and a third direction, and the plurality of cathode chambers 5 are arranged in a matrix in the second direction and the third direction, wherein the second direction is perpendicular to the third direction, and the second direction and the third direction are both perpendicular to the first direction.

In order to make the technical solution of the present application easier to understand, the following description will further describe the technical solution of the present application by taking the third direction as an example, which coincides with the width direction of the anode plate 1, wherein the width direction is as shown in fig. 7 to 11.

As shown in fig. 9 and 10, each of the anode chambers 4 and the cathode chambers 5 has four anode chambers 4, four cathode chambers 5 are distributed in a matrix form in the length direction and the width direction of the anode plate 1, and four cathode chambers 5 are distributed in a matrix form in the length direction and the width direction of the anode plate 1.

From this, through being the matrix with a plurality of anode chamber 4 and distributing on the length direction and the width direction of anode plate 1, be the matrix with a plurality of cathode chamber 5 and distribute on the length direction and the width direction of negative plate 2, make and have the utility model discloses fuel cell stack 1000 of fuel cell 100 arranges fairly rationally at length direction and the ascending size of width direction, is favorable to fuel cell stack 1000's equipment.

In some embodiments, the anode manifold inlet 101 and the anode manifold outlet 102 communicating with the same anode chamber 4 are disposed on both sides of the same anode chamber 4 in the second direction, the cathode manifold inlet 201 and the cathode manifold outlet 202 communicating with the same cathode chamber 5 are disposed on both sides of the same cathode chamber 5 in the second direction, the anode cold medium manifold inlet 104 and the anode cold medium manifold outlet 105 communicating with the same anode cooling chamber 103 are disposed on both sides of the same anode cooling chamber 103 in the second direction, and the cathode cold medium manifold inlet 204 and the cathode cold medium manifold outlet 205 communicating with the same cathode cooling chamber 203 are disposed on both sides of the same cathode cooling chamber 203 in the second direction.

For example, as shown in fig. 7 to 10, an anode manifold inlet 101 and an anode manifold outlet 102 communicating with the same anode chamber 4 are provided on both sides of the anode chamber 4 in the length direction of the anode plate 1, a cathode manifold inlet 201 and a cathode manifold outlet 202 communicating with the same cathode chamber 5 are provided on both sides of the cathode chamber 5 in the length direction of the anode plate 1, an anode coolant manifold inlet 104 and an anode coolant manifold outlet 105 communicating with the same anode cooling chamber 103 are provided on both sides of the anode cooling chamber 103 in the length direction of the anode plate 1, and a cathode coolant manifold inlet 204 and a cathode coolant manifold outlet 205 communicating with the same cathode cooling chamber 203 are provided on both sides of the cathode cooling chamber 203 in the length direction of the anode plate 1.

Thus, the installation of the manifolds is facilitated by arranging the anode manifold inlet 101 and the anode manifold outlet 102 on both sides of the anode chamber 4 in the length direction of the anode plate 1, arranging the cathode manifold inlet 201 and the cathode manifold outlet 202 on both sides of the cathode chamber 5 in the length direction of the anode plate 1, arranging the anode cold medium manifold inlet 104 and the anode cold medium manifold outlet 105 on both sides of the anode cooling chamber 103 in the length direction of the anode plate 1, and arranging the cathode cold medium manifold inlet 204 and the cathode cold medium manifold outlet 205 on both sides of the cathode cooling chamber 203 in the length direction of the anode plate 1, thereby facilitating the assembly of the fuel cell stack 1000 having the fuel cell 100 of the embodiment of the present invention.

Optionally, each anode chamber 4 shares one anode manifold inlet 101 with an adjacent anode chamber 4 in the second direction; or each anode chamber 4 shares one anode manifold outlet 102 with an adjacent anode chamber 4 in the second direction; or a part of the anode chambers 4 share one anode manifold inlet 101 with an adjacent anode chamber 4 in the second direction and a part of the anode chambers 4 share one anode manifold outlet 102 with an adjacent anode chamber 4 in the second direction.

For example, each anode chamber 4 shares one anode manifold inlet 101 with an adjacent anode chamber 4 in the length direction of the anode plate 1 (as shown in fig. 8 and 10); alternatively, each anode chamber 4 shares one anode manifold outlet 102 with an adjacent anode chamber 4 in the length direction of the anode plate 1; or, a part of anode chamber 4 and adjacent anode chamber 4 share an anode manifold inlet 101 in the length direction of anode plate 1, and a part of anode chamber 4 and adjacent anode chamber 4 share an anode manifold outlet 102 in the length direction of anode plate 1, so that the utility model discloses fuel cell 100 has reduced the area of whole board under the prerequisite that does not reduce active area, has increased active area proportion, has reduced fuel cell 100's breadth size simultaneously, has reduced the pressure equipment degree of difficulty that has fuel cell 100's fuel cell stack 1000 of the embodiment of the utility model.

Optionally, each cathode chamber 5 shares one cathode manifold inlet 201 with an adjacent cathode chamber 5 in the second direction; or each cathode chamber 5 shares one said cathode manifold outlet 202 with an adjacent said cathode chamber 5 in said second direction; or a part of the cathode chambers 5 share one cathode manifold inlet 201 with the adjacent cathode chamber 5 in the second direction and a part of the cathode chambers 5 share one cathode manifold outlet 202 with the adjacent cathode chamber 5 in the second direction.

For example, each cathode chamber 5 shares one cathode manifold inlet 201 with an adjacent cathode chamber 5 in the length direction of the cathode plate 2 (as shown in fig. 8 and 10); alternatively, each cathode chamber 5 shares one cathode manifold outlet 202 with an adjacent cathode chamber 5 in the length direction of the cathode plate 2; alternatively still, a portion of the cathode chambers 5 share a cathode manifold inlet 201 with adjacent cathode chambers 5 along the length of the cathode plate 2 and a portion of the cathode chambers 5 share a cathode manifold outlet 202 with adjacent cathode chambers 5 along the length of the cathode plate 2. Make the utility model discloses fuel cell 100 has reduced the area of whole board under the prerequisite that does not reduce active area, has increased active area ratio, has still reduced fuel cell 100's breadth size simultaneously, has further reduced and has the utility model discloses fuel cell stack 1000's of fuel cell 100's the pressure equipment degree of difficulty.

Optionally, each anode cooling chamber 103 shares one anode cold medium manifold inlet 104 with an adjacent anode cooling chamber 103 in the second direction; or each anode cooling chamber 103 shares one anode cold medium manifold outlet 105 with an adjacent anode cooling chamber 103 in the second direction; or a portion of the anode cooling chambers 103 share one anode cold medium manifold inlet 104 with an adjacent anode cooling chamber 103 in the second direction and a portion of the anode cooling chambers 103 share one anode cold medium manifold outlet 105 with an adjacent anode cooling chamber 103 in the second direction.

For example, each anode cooling chamber 103 shares one anode cold medium manifold inlet 104 with an adjacent anode cooling chamber 103 in the length direction of the anode plate 1 (as shown in fig. 8 and 10); alternatively, each anode cooling chamber 103 shares one anode cold medium manifold outlet 105 with an adjacent anode cooling chamber 103 in the length direction of the anode plate 1; alternatively, a portion of the anode cooling chambers 103 may share an anode coolant manifold inlet 104 with an adjacent anode cooling chamber 103 in the length direction of the anode plate 1, and a portion of the anode cooling chambers 103 may share an anode coolant manifold outlet 105 with an adjacent anode cooling chamber 103 in the length direction of the anode plate 1. Make the utility model discloses fuel cell 100 has reduced the area of whole board under the prerequisite that does not reduce active area, has increased active area ratio, has reduced fuel cell 100's breadth size simultaneously, has further reduced and has the utility model discloses fuel cell stack 1000's of fuel cell 100's the pressure equipment degree of difficulty.

Optionally, each of the cathode cooling chambers 203 shares one of the cathode cold medium manifold inlets 204 with an adjacent one of the cathode cooling chambers 203 in the second direction; or each cathode cooling chamber 203 shares one cathode cold medium manifold outlet 205 with an adjacent cathode cooling chamber 203 in the second direction; or a portion of the cathode cooling chambers 203 share one cathode cold medium manifold inlet 204 with an adjacent cathode cooling chamber 203 in the second direction and a portion of the cathode cooling chambers 203 share one cathode cold medium manifold outlet 205 with an adjacent cathode cooling chamber 203 in the second direction.

For example, each cathode cooling chamber 203 shares a cathode cold medium manifold inlet 204 with an adjacent cathode cooling chamber 203 in the length direction of the cathode plate 2 (as shown in fig. 8 and 10); alternatively, each cathode cooling chamber 203 shares one cathode cold medium manifold outlet 205 with an adjacent cathode cooling chamber 203 in the length direction of the cathode plate 2; or, a part of the cathode cooling chambers 203 share a cathode cooling medium manifold inlet 204 with the adjacent cathode cooling chambers 203 in the length direction of the cathode plate 2, and a part of the cathode cooling chambers 203 share a cathode cooling medium manifold outlet 205 with the adjacent cathode cooling chambers 203 in the length direction of the cathode plate 2, so that the fuel cell 100 of the embodiment of the present invention reduces the area of the whole plate, increases the active area ratio, reduces the breadth size of the fuel cell 100, and reduces the press-fitting difficulty of the fuel cell stack 1000 having the fuel cell 100 of the embodiment of the present invention on the premise of not reducing the active area.

In some embodiments, the anode manifold inlet 101 and the anode manifold outlet 102 are disposed on both sides of the anode chamber 4 in the third direction, the cathode manifold inlet 201 and the cathode manifold outlet 202 are disposed on both sides of the cathode chamber 5 in the third direction, the anode coolant manifold inlet 104 and the anode coolant manifold outlet 105 are disposed on both sides of the anode cooling chamber 103 in the third direction, and the cathode coolant manifold inlet 204 and the cathode coolant manifold outlet 205 are disposed on both sides of the cathode cooling chamber 203 in the third direction.

For example, as shown in fig. 11, an anode manifold inlet 101 and an anode manifold outlet 102 are provided on both sides of the anode chamber 4 in the width direction of the anode plate 1, a cathode manifold inlet 201 and a cathode manifold outlet 202 are provided on both sides of the cathode chamber 5 in the width direction of the cathode plate 1, an anode cold medium manifold inlet 104 and an anode cold medium manifold outlet 105 are provided on both sides of the anode cooling chamber 103 in the width direction of the anode plate 1, and a cathode cold medium manifold inlet 204 and a cathode cold medium manifold outlet 205 are provided on both sides of the cathode cooling chamber 203 in the width direction of the anode plate 1. Adopt above-mentioned arrangement, can reduce the distance between each manifold mouth, be favorable to the compactness design of manifold, be favorable to having the utility model discloses the fuel cell stack 1000's of fuel cell 100 compact design of embodiment.

The fuel cell stack 1000 according to the embodiment of the present invention includes a plurality of fuel cells 100, the fuel cells 100 are the fuel cells 100 described in any of the above embodiments, and the plurality of fuel cells 100 are stacked in a first direction.

Because the fuel cell 100 of the embodiment of the present invention has the advantages of high output power, etc., therefore, the fuel cell stack 1000 assembled by the fuel cell 100 of the embodiment of the present invention also has the advantages of high output power, etc.

In some embodiments, the fuel cell stack 1000 of embodiments of the present invention further includes a first manifold 6, a second manifold 7, and a distribution plate 8. The first manifold 6 has a first manifold inlet 601 and a first manifold outlet 602, the second manifold 7 has a second manifold inlet 701 and a second manifold outlet 702, the distribution plate 8 has a plurality of anode inlet chambers 801, a plurality of anode outlet chambers 802, a plurality of first inlets 803 and a plurality of first outlets 804, the plurality of first inlets 803, the plurality of anode inlet chambers 801 and the plurality of anode manifold inlets 101 are in one-to-one correspondence, each first inlet 803 is communicated with a corresponding anode manifold inlet 101 through a corresponding anode inlet chamber 801, the plurality of first outlets 804, the plurality of anode outlet chambers 802 and the plurality of anode manifold outlets 102 are in one-to-one correspondence, and each first outlet 804 is communicated with a corresponding anode manifold outlet 102 through a corresponding anode outlet chamber 802.

For example, as shown in fig. 1-3, the anode reaction medium enters the first manifold 6 through the first manifold inlet 601 and flows out through the first manifold outlet 602, the anode reaction medium flowing out of the first manifold outlet 602 enters the anode inlet chamber 801 and flows into the anode manifold inlet 101, and the anode reaction medium flowing into the anode manifold inlet 101 finally enters the anode chamber 4. The reacted anode reaction medium in the anode chamber 4 enters the second manifold 7 through the second inlet 701 and exits through the second outlet 702.

Therefore, the utility model discloses fuel cell 100 distributes the flow to the anode reaction medium through setting up first manifold 66, second manifold 77 and distributor plate 8, is favorable to the design of the manifold pipeline on the anode plate 1 that reduces for manifold pipeline structure control is simple on the anode plate 1, is favorable to further improving the utility model discloses the output stability of fuel cell pile 1000.

In some embodiments, the fuel cell stack 1000 of embodiments of the present invention further includes a third manifold (not shown), a fourth manifold (not shown), and a distribution plate 8. The third manifold is provided with a third manifold inlet and a third manifold outlet, the fourth manifold is provided with a fourth manifold inlet and a fourth manifold outlet, the distribution plate is provided with a plurality of cathode air inlet cavities, a plurality of cathode air outlet cavities, a plurality of third inlets and a plurality of third outlets, the plurality of third inlets, the plurality of cathode air inlet cavities and the plurality of cathode manifold inlets are in one-to-one correspondence, each third inlet is communicated with the corresponding cathode manifold inlet through the corresponding cathode air inlet cavity, the plurality of third outlets, the plurality of cathode air outlet cavities and the plurality of cathode manifold outlets are in one-to-one correspondence, and each third outlet is communicated with the corresponding cathode manifold outlet through the corresponding cathode air outlet cavity.

The cathode reaction medium enters the third manifold through the third manifold inlet and flows out through the third manifold outlet, the cathode reaction medium flowing out from the third manifold outlet enters the cathode gas inlet cavity through the third inlet and flows into the cathode manifold inlet 201, the cathode reaction medium flowing into the cathode manifold inlet 201 finally enters the cathode chamber 5, the cathode reaction medium reacted in the cathode chamber 5 flows into the cathode gas outlet cavity and flows out through the fourth outlet, and the cathode reaction medium flowing out from the fourth outlet enters the fourth manifold through the fourth manifold inlet and flows out through the fourth manifold outlet.

Therefore, the utility model discloses fuel cell 100 is through setting up third manifold, fourth manifold and the break plate 8 to the negative pole reaction medium flow distribution, is favorable to the design of the negative plate 2 upper manifold pipeline that reduces for manifold pipeline simple structure on the negative plate 2 is favorable to further improving the utility model discloses the output stability of fuel cell pile 1000 of the embodiment.

In some embodiments, the fuel cell stack 1000 of embodiments of the present invention further includes a fifth manifold (not shown) having a fifth manifold inlet and a fifth manifold outlet, a sixth manifold (not shown) having a sixth manifold inlet and a sixth manifold outlet, and a distribution plate 8. The distribution plate is provided with a plurality of cold medium air inlet cavities, a plurality of cold medium air outlet cavities, a plurality of fifth inlets and a plurality of fifth outlets, the plurality of fifth inlets, the plurality of cold medium air inlet cavities, the plurality of anode cold medium manifold inlets and the plurality of cathode cold medium manifold inlets are in one-to-one correspondence, each fifth inlet is communicated with the corresponding anode cold medium manifold inlet and the corresponding cathode cold medium inlet through the corresponding cold medium air inlet cavity, the plurality of fifth outlets, the plurality of cold medium air outlet cavities, the plurality of anode cold medium manifold outlets and the plurality of cathode cold medium outlets are in one-to-one correspondence, and each fifth outlet is communicated with the corresponding anode cold medium manifold outlet and the corresponding cathode cold medium manifold outlet through the corresponding cathode air outlet cavity.

The cold medium enters the fifth manifold through the fifth manifold inlet and flows out through the fifth manifold outlet, the cold medium flowing out from the fifth manifold outlet enters the cold medium inlet cavity through the third inlet, and the cold medium entering the cold medium inlet cavity enters the anode cooling chamber 103 through the anode cold medium manifold inlet 104 and enters the cathode cooling chamber 203 through the cathode cold medium manifold inlet 204. The cold medium flowing out from the anode cold medium manifold outlet 105 and the cathode cold medium manifold outlet 205 flows into the cold medium outlet cavity, the cold medium entering the cold medium outlet cavity flows out through the third outlet, and the cold medium flowing out from the third outlet enters the sixth manifold through the sixth manifold inlet and flows out through the sixth manifold outlet.

Therefore, the utility model discloses fuel cell stack 1000 of embodiment distributes the flow to the cold medium through setting up fifth manifold, sixth manifold and break plate 8, is favorable to the design of the anode cooling cavity 103 and the negative pole cooling cavity 203 manifold pipeline that reduce for anode cooling cavity 103 and negative pole cooling cavity 203 manifold pipeline simple structure are favorable to further improving the utility model discloses fuel cell stack 1000's output stability.

Optionally, the anode inlet cavity 801, the anode outlet cavity 802, the cathode inlet cavity, the cathode outlet cavity, the cold medium inlet cavity and the cold medium outlet cavity are disposed on the same distribution plate 8.

Alternatively, the distribution plate 8 has a plurality, and the plurality of distribution plates 8 are arranged at intervals in the first direction.

For example, as shown in fig. 1, the distribution plate 8 has three, and the three distribution plates 8 are arranged at regular intervals in the thickness direction of the anode plate 1. The utility model discloses fuel cell stack 1000 is through setting up a plurality of break plates 8, divides fuel cell stack 1000 into the multistage, and every section fuel cell stack 1000 utilizes break plate 8 to join in marriage a class, is favorable to guaranteeing the uniformity of multisection fuel cell stack internode flow distribution, is favorable to improving the utility model discloses fuel cell stack 1000's output stability.

Optionally, as shown in fig. 1, the fuel cell stack 1000 according to the embodiment of the present invention further includes a first end plate 9 and a second end plate 10, and the first end plate 9 and the second end plate 10 clamp the plurality of fuel cells 100 in the thickness direction of the anode plate 1.

The utility model discloses the fuel cell galvanic pile of implementing provides one kind and need not a plurality of independent fuel cell galvanic piles integratively, and is used for the high-power fuel cell galvanic pile configuration design of monomer of electricity generation. On the overall configuration design of the fuel cell stack, a single fuel cell adopts a large-format one-plate multi-chamber fuel cell structure, and the manifold port can adopt a common form, so that the active area ratio is increased, the breadth size is reduced, and the press mounting difficulty is reduced on the premise of not reducing the active area of the single fuel cell. Through the structural design of 'one-plate multi-chamber-multi-section', the high-power generation of the single fuel cell stack is realized, and the running stability of the fuel cell stack is improved.

In the related art, a plurality of independent low-power fuel cell stacks are generally integrated to form a modular fuel cell stack system for generating electricity. The adoption of the integrated mode of the multiple fuel cell stacks relates to the distribution of water and gas among the multiple fuel cell stacks and the control of a complex flow path, and has the problems of poor output stability of the whole fuel cell stack system and the like.

The fuel cell system of the embodiment of the present invention includes at least one fuel cell stack 1000, and the fuel cell stack 1000 is the fuel cell stack 1000 according to any of the above embodiments.

Because the fuel cell stack 1000 of the embodiment of the present invention has the advantages of high power, etc., only a small amount of even single fuel cell stack 1000 can be adopted to form a high power fuel cell stack system. Compare with a plurality of independent miniwatt fuel cell galvanic pile in the correlation technique and integrate and form the fuel cell galvanic pile system that is used for high power electricity generation, have the utility model discloses the flow path control that the fuel cell galvanic pile system of fuel cell galvanic pile 1000 of embodiment relates to still less, more convenient control has strengthened having the utility model discloses the output stability of the fuel cell galvanic pile system of fuel cell galvanic pile 1000 of embodiment.

Therefore, the utility model discloses fuel cell pile system has output height and output stability advantage such as good.

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 the above embodiments 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 to the above embodiments by those of ordinary skill in the art are intended to be within the scope of the present invention.

Claims (17)

1. A fuel cell, comprising:

the anode plate and the cathode plate are oppositely arranged along a first direction; and

the membrane electrode is arranged between the anode plate and the cathode plate, a plurality of anode chambers are defined between the anode plate and the membrane electrode, a plurality of cathode chambers are defined between the cathode plate and the membrane electrode, the plurality of anode chambers correspond to the plurality of cathode chambers one by one, the anode plate is provided with a plurality of anode manifold inlets and a plurality of anode manifold outlets, each anode chamber is communicated with one anode manifold inlet and one anode manifold outlet, the cathode plate is provided with a plurality of cathode manifold inlets and a plurality of cathode manifold outlets, and each cathode chamber is communicated with one cathode manifold inlet and one cathode manifold outlet.

2. The fuel cell of claim 1, wherein the anode plate has an anode cooling chamber and an anode cold media manifold inlet and an anode cold media manifold outlet in communication with the anode cooling chamber;

the cathode plate has a cathode cooling chamber and a cathode cold medium manifold inlet and a cathode cold medium manifold outlet in communication with the cathode cooling chamber.

3. The fuel cell according to claim 2, wherein the number of the anode cooling chambers is plural, a plurality of the anode cooling chambers corresponds to a plurality of the anode chambers one by one, and each of the anode cooling chambers and the corresponding anode chamber are arranged in the first direction;

the number of the cathode cooling chambers is multiple, the multiple cathode cooling chambers correspond to the multiple cathode chambers one by one, and each cathode cooling chamber and the corresponding cathode chamber are arranged along the first direction.

4. The fuel cell of claim 3, wherein at least some of the plurality of anode chambers are spaced apart in a second direction, and at least some of the plurality of cathode chambers are spaced apart in the second direction, the second direction being perpendicular to the first direction.

5. The fuel cell according to claim 4, wherein a plurality of the cathode chambers are each arranged at intervals in a second direction, and a plurality of the anode chambers are each arranged at intervals in the second direction.

6. The fuel cell according to claim 4, wherein a plurality of the anode chambers are arranged in a matrix form in a second direction and a third direction, and a plurality of the cathode chambers are arranged in a matrix form in the second direction and the third direction;

wherein the second direction is perpendicular to the third direction, and the second direction and the third direction are both perpendicular to the first direction.

7. The fuel cell according to claim 5 or 6, wherein the anode manifold inlet and the anode manifold outlet that communicate with the same anode chamber are provided on both sides of the same anode chamber in the second direction;

the cathode manifold inlet and the cathode manifold outlet which are communicated with the same cathode chamber are arranged on two sides of the same cathode chamber in the second direction;

the anode cold medium manifold inlet and the anode cold medium manifold outlet which are communicated with the same anode cooling chamber are arranged on two sides of the same anode cooling chamber in the second direction;

the cathode cold medium manifold inlet and the cathode cold medium manifold outlet which are communicated with the same cathode cooling chamber are arranged on two sides of the same cathode cooling chamber in the second direction.

8. The fuel cell according to claim 7, wherein each of the anode manifold inlets communicates with both of the anode chambers adjacent in the second direction; or

Each of the anode manifold outlets communicates with two of the anode chambers adjacent in the second direction; or

A portion of the anode manifold inlets communicate with both of the anode chambers adjacent in the second direction and a portion of the anode manifold outlets communicate with both of the anode chambers adjacent in the second direction.

9. The fuel cell according to claim 7, wherein each of the cathode manifold inlets communicates with two of the cathode chambers adjacent in the second direction; or

Each cathode manifold outlet is in communication with an adjacent cathode chamber in the second direction; or alternatively

A portion of the cathode manifold inlets communicate with the cathode chambers adjacent in the second direction, and a portion of the cathode manifold outlets communicate with the cathode chambers adjacent in the second direction.

10. The fuel cell of claim 7, wherein each of the anode cold medium manifold inlets communicates with both of the anode cooling chambers adjacent in the second direction; or

Each of the anode cold medium manifold outlets communicates with two of the anode cooling chambers adjacent in the second direction; or

A portion of the anode cold medium manifold inlets communicate with both of the anode cooling chambers adjacent in the second direction, and a portion of the anode cold medium manifold outlets communicate with both of the anode cooling chambers adjacent in the second direction.

11. The fuel cell of claim 7, wherein each of the cathode cold medium manifold inlets communicates with both of the cathode cooling chambers adjacent in the second direction; or

Each cathode cold medium manifold outlet is communicated with the cathode cooling chambers adjacent in the second direction; or

A portion of the cathode cold medium manifold inlets communicate with both of the cathode cooling chambers adjacent in the second direction, and a portion of the cathode cold medium manifold outlets communicate with both of the cathode cooling chambers adjacent in the second direction.

12. The fuel cell according to claim 5, wherein the anode manifold inlet and the anode manifold outlet communicating with the same anode chamber are provided on both sides of the anode plate in a third direction;

the cathode manifold inlet and the cathode manifold outlet which are communicated with the same cathode chamber are arranged on two sides of the cathode plate in a third direction;

the anode cold medium manifold inlet and the anode cold medium manifold outlet which are communicated with the same anode cooling chamber are arranged on two sides of the anode cooling chamber in a third direction;

and the cathode cold medium manifold inlet and the cathode cold medium manifold outlet which are communicated with the same cathode cooling chamber are arranged on two sides of the cathode cooling chamber in the third direction.

13. A fuel cell stack, comprising:

a plurality of fuel cells according to any one of claims 2 to 12, the plurality of fuel cells being arranged in a stack in the first direction.

14. The fuel cell stack of claim 13, wherein the fuel cell further comprises:

a first manifold having a first manifold inlet and a first manifold outlet;

a second manifold having a second manifold inlet and a second manifold outlet; and

the distribution plate is provided with a plurality of anode air inlet cavities, a plurality of anode air outlet cavities, a plurality of first inlets and a plurality of first outlets, the plurality of first inlets, the plurality of anode air inlet cavities and the plurality of anode manifold inlets are in one-to-one correspondence, each first inlet is communicated with the corresponding anode manifold inlet through the corresponding anode air inlet cavity, the plurality of first outlets, the plurality of anode air outlet cavities and the plurality of anode manifold outlets are in one-to-one correspondence, and each first outlet is communicated with the corresponding anode manifold outlet through the corresponding anode air outlet cavity.

15. The fuel cell stack of claim 13, wherein the fuel cell further comprises:

a third manifold having a third manifold inlet and a third manifold outlet;

a fourth manifold having a fourth manifold inlet and a fourth manifold outlet; and

the distribution plate is provided with a plurality of cathode air inlet cavities, a plurality of cathode air outlet cavities, a plurality of third inlets and a plurality of third outlets, the plurality of third inlets, the plurality of cathode air inlet cavities and the plurality of cathode manifold inlets are in one-to-one correspondence, each third inlet is communicated with the corresponding cathode manifold inlet through the corresponding cathode air inlet cavity, the plurality of third outlets, the plurality of cathode air outlet cavities and the plurality of cathode manifold outlets are in one-to-one correspondence, and each third outlet is communicated with the corresponding cathode manifold outlet through the corresponding cathode air outlet cavity.

16. The fuel cell stack of claim 13, wherein the fuel cell further comprises:

a fifth manifold having a fifth manifold inlet and a fifth manifold outlet;

a sixth manifold having a sixth manifold inlet and a sixth manifold outlet; and

the distribution plate is provided with a plurality of cold medium inlet cavities, a plurality of cold medium outlet cavities, a plurality of fifth inlets and a plurality of fifth outlets, the plurality of fifth inlets, the plurality of cold medium inlet cavities, the plurality of anode cold medium manifold inlets and the plurality of cathode cold medium manifold inlets correspond to one another, each fifth inlet is communicated with the corresponding anode cold medium manifold inlet and the corresponding cathode cold medium inlet through the corresponding cold medium inlet cavity, the plurality of fifth outlets, the plurality of cold medium outlet cavities, the plurality of anode cold medium manifold outlets and the plurality of cathode cold medium outlets correspond to one another, and each fifth outlet is communicated with the corresponding anode cold medium manifold outlet and the corresponding cathode cold medium manifold outlet through the corresponding cathode outlet cavity.

17. A fuel cell stack system comprising at least one fuel cell stack according to any one of claims 13 to 16.

Images