CN209880736U - Membrane electrode for hydrogen energy proton exchange membrane fuel cell - Google Patents
Membrane electrode for hydrogen energy proton exchange membrane fuel cell Download PDFInfo
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- CN209880736U CN209880736U CN201921121325.XU CN201921121325U CN209880736U CN 209880736 U CN209880736 U CN 209880736U CN 201921121325 U CN201921121325 U CN 201921121325U CN 209880736 U CN209880736 U CN 209880736U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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Abstract
The utility model belongs to the technical field of fuel cell membrane electrode technique and specifically relates to a membrane electrode for hydrogen energy proton exchange membrane fuel cell, including the exchange membrane, the catalyst layer has been laid to the two sides of exchange membrane, the diffusion barrier has been laid at the surface middle part on catalyst layer, the two sides all is connected with the installing frame through the viscose about the edge of exchange membrane, the installing frame is arranged along the edge of exchange membrane, be equipped with the sealing washer along its edge is perpendicular on the installing frame, the sealing washer passes through the sticky tape and is connected with the installing frame. Preferably, the upper part of the diffusion layer is covered with an electrode plate, the edge of the electrode plate is connected with a frame, and two frames positioned at two sides of the exchange membrane are connected through a plurality of connecting mechanisms. The utility model discloses under the prerequisite that remains original membrane electrode performance, the equipment of being convenient for, exchange membrane deformation and damage when avoiding the equipment.
Description
Technical Field
The utility model relates to a fuel cell membrane electrode technical field especially relates to a membrane electrode for hydrogen energy proton exchange membrane fuel cell.
Background
A fuel cell is a chemical device that directly converts chemical energy of fuel into electrical energy, and is also called an electrochemical generator. It is a fourth power generation technology following hydroelectric power generation, thermal power generation and atomic power generation. The fuel cell converts the Gibbs free energy in the chemical energy of the fuel into electric energy through electrochemical reaction, and is not limited by the Carnot cycle effect, so the efficiency is high; in addition, fuel cells use fuel and oxygen as raw materials; meanwhile, no mechanical transmission part is arranged, so that no noise pollution is caused, and the discharged harmful gas is less. It follows that fuel cells are the most promising power generation technology from the viewpoint of energy conservation and ecological environment conservation.
The membrane electrode is an important structure in a fuel cell, the structure of the membrane electrode comprises a proton exchange membrane, a catalyst layer and a diffusion layer are arranged on two sides of the exchange membrane, a plate electrode is arranged outside, a sealing ring which is in contact with the plate electrode is arranged on the edge of the membrane and is used for sealing the inside, and the sealing rings on two sides of the exchange membrane are easy to dislocate when being installed in the prior art, so that the exchange membrane is extruded, deformed and damaged.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defect of inconvenient sealing in the prior art and provides a membrane electrode for a hydrogen proton exchange membrane fuel cell.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a membrane electrode for hydrogen energy proton exchange membrane fuel cell, includes exchange membrane, the catalyst layer has been laid on the two sides of exchange membrane, the diffusion barrier has been laid at the surperficial middle part of catalyst layer, the two sides all is connected with the installing frame through the viscose about the edge of exchange membrane, the installing frame is arranged along the edge of exchange membrane, be equipped with the sealing washer perpendicularly along its edge on the installing frame, the sealing washer passes through the fixed adhesive tape and is connected with the installing frame.
Preferably, the upper part of the diffusion layer is covered with an electrode plate, the edge of the electrode plate is connected with a frame, and two frames positioned at two sides of the exchange membrane are connected through a plurality of connecting mechanisms.
Preferably, the number of the connecting mechanisms is four, the connecting mechanisms are respectively arranged at four corners of the frame, each connecting mechanism comprises a pull rod, the pull rods penetrate through the corners of the two frames and the corner of the mounting frame, and nuts are connected to two ends of each pull rod in a threaded mode.
Preferably, the frame is rectangular, the frame is made of plastic plates, the pull rod is a polished rod, and thread sections matched with the nuts are arranged at two ends of the pull rod.
Preferably, a sealing groove matched with the sealing ring is formed in one surface, close to the mounting frame, of the side frame along the edge of the side frame, and the end portion of the sealing ring is embedded into the sealing groove.
The utility model provides a membrane electrode for hydrogen energy proton exchange membrane fuel cell, beneficial effect lies in:
1. the utility model improves the original membrane electrode structure without changing the performance of the original membrane electrode;
2. the edge of the exchange membrane is connected with the mounting frames through the viscose glue, the two mounting frames are respectively positioned on the upper surface and the lower surface of the exchange membrane, so that the shape of the exchange membrane is shaped, the two mounting frames are only required to clamp the exchange membrane during assembly, and the exchange membrane is not required to be deformed and damaged due to dislocation of the sealing structure;
3. the edge of the mounting frame is vertically provided with the sealing ring, the sealing ring has a sealing effect, and the sealing performance of the membrane electrode is ensured.
Drawings
Fig. 1 is a schematic structural diagram of a membrane electrode for a hydrogen proton exchange membrane fuel cell according to the present invention;
fig. 2 is a schematic structural diagram at a in fig. 1.
In the figure: exchange membrane 1, sealing washer 2, pull rod 3, catalyst layer 4, diffusion layer 5, fixed sticky tape 6, seal groove 7, installing frame 8, nut 9, viscose 10, frame 11, electrode board 12.
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.
Referring to fig. 1-2, a membrane electrode for a hydrogen proton exchange membrane fuel cell includes an exchange membrane 1, catalyst layers 4 are laid on two sides of the exchange membrane 1, and a diffusion layer 5 is laid in the middle of the surface of the catalyst layer 4.
The upper surface and the lower surface of the edge of the exchange membrane 1 are both connected with an installation frame 8 through viscose 10, the installation frame 8 is arranged along the edge of the exchange membrane 1, a sealing ring 2 is vertically arranged on the installation frame 8 along the edge of the installation frame, and the sealing ring 2 is connected with the installation frame 8 through a fixing adhesive tape 6. The edge of the exchange membrane 1 is connected with the mounting frames 8 through viscose glue, and the two mounting frames 8 are respectively positioned on the upper surface and the lower surface of the exchange membrane 1, so that the shape of the exchange membrane 1 is shaped, the exchange membrane 1 is clamped by the two mounting frames 8 during assembly, and the exchange membrane 1 is not deformed or damaged due to dislocation of the sealing structure; the edge of the mounting frame 8 is vertically provided with the sealing ring 2, and the sealing ring 2 plays a role in sealing, so that the sealing performance of the membrane electrode is ensured. The sealing ring 2 is fixed through the fixing adhesive tape 6, and the sealing ring fixing device has the advantages of being simple and convenient to assemble.
The upper part of the diffusion layer 5 is covered with an electrode plate 12, the edge of the electrode plate 12 is connected with a frame 11, and two frames 11 at two sides of the exchange membrane 1 are connected through a plurality of connecting mechanisms. The connecting mechanisms are four in number and are respectively arranged at four corners of the frame 11, each connecting mechanism comprises a pull rod 3, each pull rod 3 penetrates through the corner portions of the two frames 11 and the mounting frame 8, and nuts 9 are connected to two ends of each pull rod 3 in a threaded mode. The distance between the two frames 11 can be limited through the locking nut 9, so that the positioning assembly of the membrane electrode is completed, and the structure of the membrane electrode can be reinforced through the pull rod 3 and is not easy to deform.
The frame 11 is rectangular, the frame 11 is made of plastic plates, the pull rod 3 is a polished rod, and thread sections matched with the nuts 9 are arranged at two ends of the pull rod 3. One surface of the frame 11 close to the mounting frame 8 is provided with a sealing groove 7 matched with the sealing ring 2 along the edge, and the end part of the sealing ring 2 is embedded into the sealing groove 7. By matching the seal ring 2 with the seal groove 7, the sealing performance at the membrane electrode can be further improved.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a membrane electrode for hydrogen energy proton exchange membrane fuel cell, includes exchange membrane (1), catalyst layer (4) have been laid on the two sides of exchange membrane (1), diffusion layer (5) have been laid at the surface middle part of catalyst layer (4), a serial communication port, both sides all are connected with installing frame (8) through viscose (10) about the edge of exchange membrane (1), the edge of exchange membrane (1) is arranged along installing frame (8), be equipped with sealing washer (2) perpendicularly along its edge on installing frame (8), sealing washer (2) are connected with installing frame (8) through solid fixed adhesive tape (6).
2. The membrane electrode for the hydrogen proton exchange membrane fuel cell according to claim 1, wherein the upper part of the diffusion layer (5) is covered with an electrode plate (12), the edge of the electrode plate (12) is connected with a frame (11), and two frames (11) at two sides of the exchange membrane (1) are connected through a plurality of connecting mechanisms.
3. The membrane electrode assembly for the hydrogen proton exchange membrane fuel cell according to claim 2, wherein the number of the connecting mechanisms is four, and the connecting mechanisms are respectively arranged at four corners of the frame (11), the connecting mechanism comprises a pull rod (3), the pull rod (3) penetrates through two corners of the frame (11) and the mounting frame (8), and nuts (9) are respectively connected to two ends of the pull rod (3) in a threaded manner.
4. The membrane electrode for the hydrogen proton exchange membrane fuel cell according to claim 3, wherein the frame (11) is rectangular, the frame (11) is made of plastic plate, the pull rod (3) is a polished rod, and threaded sections matched with the nuts (9) are arranged at two ends of the pull rod (3).
5. The membrane electrode assembly for the hydrogen proton exchange membrane fuel cell according to claim 2, wherein a sealing groove (7) matched with the sealing ring (2) is formed along the edge of one surface of the side frame (11) close to the mounting frame (8), and the end part of the sealing ring (2) is embedded into the sealing groove (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921121325.XU CN209880736U (en) | 2019-07-17 | 2019-07-17 | Membrane electrode for hydrogen energy proton exchange membrane fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921121325.XU CN209880736U (en) | 2019-07-17 | 2019-07-17 | Membrane electrode for hydrogen energy proton exchange membrane fuel cell |
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| Publication Number | Publication Date |
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| CN209880736U true CN209880736U (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921121325.XU Active CN209880736U (en) | 2019-07-17 | 2019-07-17 | Membrane electrode for hydrogen energy proton exchange membrane fuel cell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022151848A1 (en) * | 2021-01-15 | 2022-07-21 | 苏州泰仑电子材料有限公司 | System for preparing membrane electrode of fuel cell |
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2019
- 2019-07-17 CN CN201921121325.XU patent/CN209880736U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022151848A1 (en) * | 2021-01-15 | 2022-07-21 | 苏州泰仑电子材料有限公司 | System for preparing membrane electrode of fuel cell |
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