CN211789282U

CN211789282U - Proton membrane component of hydrogen energy fuel cell

Info

Publication number: CN211789282U
Application number: CN202020680842.7U
Authority: CN
Inventors: 林敏华
Original assignee: Jiangsu Loongvnm Nano Technology Co ltd
Current assignee: Jiangsu Loongvnm Nano Technology Co ltd
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2020-10-27
Anticipated expiration: 2030-04-28

Abstract

The utility model discloses a proton membrane component of a hydrogen energy fuel cell, which comprises a face frame, a back frame and a first proton membrane, wherein the back frame is arranged at the back of the face frame, a face frame outer clamping groove is arranged at the inner side of the surface of the face frame, a catalyst layer A is arranged in the face frame outer clamping groove, a face frame inner clamping groove is arranged at the middle part of the inner side of the face frame, a back frame outer clamping groove is arranged at the inner side of the surface of the back frame, a catalyst layer B is arranged in the back frame outer clamping groove, a back frame inner clamping groove is arranged at the middle part of the inner side of the back frame, proton membranes are arranged in the face frame inner clamping groove and the back frame inner clamping groove, the proton membrane is composed of the first proton membrane, a second proton membrane and a third proton membrane, the clamping treatment can be carried out on the proton membrane by utilizing the face frame and the back frame, so that the proton membrane can be replaced in the hydrogen, the device can be used continuously, and the condition that the proton membrane is damaged to cause the need of maintaining the hydrogen energy fuel cell is avoided.

Description

Proton membrane component of hydrogen energy fuel cell

Technical Field

The utility model relates to a hydrogen energy fuel cell technical field specifically is a hydrogen energy fuel cell proton membrane subassembly.

Background

A hydrogen fuel cell is a power generation device that directly converts chemical energy of hydrogen and oxygen into electrical energy. The basic principle is the reverse reaction of electrolyzed water, hydrogen and oxygen are supplied to the anode and cathode respectively, and after the hydrogen diffuses out through the anode and reacts with the electrolyte, electrons are released to reach the cathode through an external load. Dry batteries and storage batteries are energy storage devices, store electric energy and release the electric energy when needed; a hydrogen fuel cell is strictly a power generation device, and like a power plant, is an electrochemical power generation device that directly converts chemical energy into electrical energy. In addition, the electrodes of the hydrogen fuel cell are made of special porous materials, which is a key technology of the hydrogen fuel cell and is used for not only providing a large contact surface for gas and electrolyte, but also catalyzing chemical reactions of the cell.

At present, a proton membrane in a hydrogen energy fuel cell is an important component, but the proton membrane of the existing hydrogen energy fuel cell has poor fixing effect, unreasonable structure and insufficiently optimized design.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydrogen energy fuel cell proton membrane subassembly to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a hydrogen energy fuel cell proton membrane subassembly, includes face frame, back of the body frame and first proton membrane, face frame back is provided with the back of the body frame, face frame surface inboard is provided with face frame outer clamping groove, the inside catalysis layer A that is provided with of face frame outer clamping groove, face frame inboard middle part is provided with face frame inner clamping groove, back of the body frame surface inboard is provided with back of the body frame outer clamping groove, the inside catalysis layer B that is provided with of back of the body frame outer clamping groove, back of the body frame inboard middle part is provided with back of the body frame inner clamping groove, face frame inner clamping groove and back of the body frame inner clamping groove are inside to be provided with proton membrane, proton membrane comprises first proton membrane, second proton membrane and third proton membrane, first proton membrane lower extreme is provided with second proton membrane, second proton membrane lower extreme is provided with third proton membrane.

As a further aspect of the present invention: the face frame all is provided with the fixed orifices with back of the body frame surface four corners, the fixed orifices is total four, and passes through bolt and nut fixed connection.

As a further aspect of the present invention: the upper end of the catalyst layer A is provided with a diffusion layer A, and a carbon fiber film A is arranged inside the diffusion layer A.

As a further aspect of the present invention: the lower end of the catalyst layer B is provided with a diffusion layer B, and a carbon fiber film B is arranged in the diffusion layer B.

As a further aspect of the present invention: the clamping grooves in the front frame and the clamping grooves in the back frame are respectively connected with the proton membrane in a clamping manner.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the proton membrane can be clamped by the face frame and the back frame, so that the proton membrane can be replaced in the hydrogen energy fuel cell, and the single-layer proton membrane can be continuously used after being damaged by the three-layer proton membrane, so that the condition that the hydrogen energy fuel cell needs to be maintained due to the damage of the proton membrane is avoided;

2. utilize double-deck catalysis layer, can carry out double-deck catalytic treatment to proton membrane, improve proton membrane's catalytic rate, utilize double-deck diffusion barrier, can improve proton membrane's diffusion rate, this application structure is more reasonable, designs more optimization.

Drawings

FIG. 1 is a schematic structural diagram of a proton membrane module of a hydrogen energy fuel cell;

FIG. 2 is a cross-sectional view of a proton membrane module of a hydrogen fuel cell;

FIG. 3 is a schematic structural diagram of a proton membrane in a proton membrane module of a hydrogen fuel cell;

in the figure: 1. a face frame; 2. a back frame; 3. a clamping groove in the face frame; 4. a clamping groove in the back frame; 5. a first proton membrane; 6. a fixing hole; 7. a second proton membrane; 8. a third proton membrane; 9. a face frame outer clamping groove; 10. a back frame outer clamping groove; 11. a catalyst layer A; 12. a diffusion layer A; 13. a carbon fiber film A; 14. a catalyst layer B; 15. a diffusion layer B; 16. and a carbon fiber film B.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, in an embodiment of the present invention, a proton membrane module of a hydrogen energy fuel cell includes a face frame 1, a back frame 2 and a first proton membrane 5, the back frame 2 is disposed on the back of the face frame 1, the face frame 1 and the back frame 2 can be used to clamp the first proton membrane 5, the second proton membrane 7 and the third proton membrane 8, so that the first proton membrane 5, the second proton membrane 7 and the third proton membrane 8 can be replaced in the hydrogen energy fuel cell, a face frame outer slot 9 is disposed on the inner side of the face frame 1, a catalyst layer a11 is disposed inside the face frame outer slot 9, a face frame inner slot 3 is disposed in the middle of the inner side of the face frame 1, a back frame outer slot 10 is disposed on the inner side of the back frame 2, a B14 is disposed inside the back frame outer slot 10, and a catalyst layer a11 and a catalyst layer B14 are used to perform double-layer catalytic treatment on the first proton membrane 5, the second proton membrane 7 and the third proton membrane 8, the catalytic speed of the first proton membrane 5, the second proton membrane 7 and the third proton membrane 8 is improved, the middle part of the inner side of the back frame 2 is provided with a back frame inner clamping groove 4, the inner clamping groove 3 of the face frame and the inner clamping groove 4 of the back frame are internally provided with the proton membrane, the proton membrane is composed of the first proton membrane 5, the second proton membrane 7 and the third proton membrane 8, the lower end of the first proton membrane 5 is provided with the second proton membrane 7, the lower end of the second proton membrane 7 is provided with the third proton membrane 8, the first proton membrane 5, the second proton membrane 7 and the third proton membrane 8 are utilized, the single-layer proton membrane can be used continuously after being damaged, and the condition that the proton membrane is damaged to cause the maintenance of the hydrogen energy fuel cell is avoided.

Face frame 1 and back frame 2 surface four corners all are provided with fixed orifices 6, fixed orifices 6 are four in total, and through bolt and nut fixed connection, catalysis layer A11 upper end is provided with diffusion layer A12, diffusion layer A12 is inside to be provided with carbon fiber membrane A13, catalysis layer B14 lower extreme is provided with diffusion layer B15, diffusion layer B15 is inside to be provided with carbon fiber membrane B16, utilize diffusion layer A12 and diffusion layer B15, can improve first proton membrane 5, the diffusion rate of second proton membrane 7 and third proton membrane 8, draw-in groove 3 in the face frame is connected with proton membrane block respectively with back frame interior draw-in groove 4.

The utility model discloses a theory of operation is:

when in use, the surface frame 1 and the surface frame inner clamping grooves 3 and the back frame inner clamping grooves 4 in the back frame 2 clamp the first proton membrane 5, the second proton membrane 7 and the third proton membrane 8, so that the first proton membrane 5, the second proton membrane 7 and the third proton membrane 8 can be replaced in the hydrogen energy fuel cell, the three proton membranes of the first proton membrane 5, the second proton membrane 7 and the third proton membrane 8 can ensure that after the single-layer proton membrane is damaged, can be used continuously, avoids the condition that the proton membrane is damaged to cause the need of maintaining the hydrogen energy fuel cell, the catalyst layer a11 and the catalyst layer B14 perform double-layer catalytic treatment on the first proton membrane 5, the second proton membrane 7, and the third proton membrane 8, so as to increase the catalytic speed of the first proton membrane 5, the second proton membrane 7, and the third proton membrane 8, and the diffusion layer a12 and the diffusion layer B15 increase the diffusion speed of the first proton membrane 5, the second proton membrane 7, and the third proton membrane 8.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A proton membrane component of a hydrogen energy fuel cell comprises a surface frame (1), a back frame (2) and a first proton membrane (5), and is characterized in that: a back frame (2) is arranged at the back of the face frame (1), a face frame outer clamping groove (9) is arranged on the inner side of the surface of the face frame (1), a catalytic layer A (11) is arranged in the face frame outer clamping groove (9), a face frame inner clamping groove (3) is arranged in the middle of the inner side of the face frame (1), a back frame outer clamping groove (10) is arranged on the inner side of the surface of the back frame (2), a catalyst layer B (14) is arranged in the back frame outer clamping groove (10), the middle part of the inner side of the back frame (2) is provided with a back frame inner clamping groove (4), proton membranes are arranged inside the front frame inner clamping groove (3) and the back frame inner clamping groove (4), the proton membrane consists of a first proton membrane (5), a second proton membrane (7) and a third proton membrane (8), the lower end of the first proton membrane (5) is provided with a second proton membrane (7), and the lower end of the second proton membrane (7) is provided with a third proton membrane (8).

2. A proton membrane module for a hydrogen fuel cell in accordance with claim 1, wherein: the four-side-frame-type back frame is characterized in that four fixing holes (6) are formed in four corners of the surface of the front frame (1) and four corners of the surface of the back frame (2), and the four fixing holes (6) are four in number and fixedly connected through bolts and nuts.

3. A proton membrane module for a hydrogen fuel cell in accordance with claim 1, wherein: the upper end of the catalyst layer A (11) is provided with a diffusion layer A (12), and a carbon fiber membrane A (13) is arranged inside the diffusion layer A (12).

4. A proton membrane module for a hydrogen fuel cell in accordance with claim 1, wherein: the lower end of the catalyst layer B (14) is provided with a diffusion layer B (15), and a carbon fiber film B (16) is arranged inside the diffusion layer B (15).

5. A proton membrane module for a hydrogen fuel cell in accordance with claim 1, wherein: the clamping grooves (3) in the front frame and the clamping grooves (4) in the back frame are respectively connected with the proton membrane in a clamping manner.