CN112103525B - Flexible fuel cell - Google Patents
Flexible fuel cell Download PDFInfo
- Publication number
- CN112103525B CN112103525B CN202010801733.0A CN202010801733A CN112103525B CN 112103525 B CN112103525 B CN 112103525B CN 202010801733 A CN202010801733 A CN 202010801733A CN 112103525 B CN112103525 B CN 112103525B
- Authority
- CN
- China
- Prior art keywords
- channel
- main
- fuel cell
- sides
- hydrogen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0271—Sealing or supporting means around electrodes, matrices or membranes
- H01M8/0273—Sealing or supporting means around electrodes, matrices or membranes with sealing or supporting means in the form of a frame
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1004—Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
The invention discloses a flexible fuel cell, comprising: the membrane electrode assembly comprises a proton exchange membrane and a protection frame layer arranged on two sides of the proton exchange membrane, wherein a plurality of filling avoiding areas for filling the diffusion layer are formed in the protection frame layer, and each filling avoiding area corresponds to one single cell; the conducting layers are arranged on two sides of the membrane electrode assembly and are used for connecting the monocells in series; the insulating films are arranged on two sides of the membrane electrode assembly and are used for respectively covering the diffusion layers and the conducting layers on the two sides; the components are bonded with each other, wherein a non-bonding area for supporting the insulating film after gas is introduced to form a gas flow passage is reserved between the insulating film and the rest of the components. The flexible fuel cell has a simple structure, breaks away from the limitation of the existing fuel cell stacking structure, and all components are mutually matched and assembled, so that the complex assembly process is omitted, the production can be completed simply by a full-automatic production line, and the flexible fuel cell has various shapes, light material weight and low forming difficulty.
Description
Technical Field
The invention relates to the technical field of fuel cells, in particular to a flexible fuel cell.
Background
The existing fuel cell is mainly composed of a bipolar plate, a membrane electrode, a sealing rubber line and other structures, and has high cost, high assembly requirement and low automation degree; the formed fuel cell stack has basically fixed volume, difficult position and size adjustment and very troublesome overhaul.
For example, the utility model with the license number of CN207233866U discloses a proton exchange membrane fuel cell bipolar plate structure, which is formed by stacking and bonding an anode plate and a cathode plate; the front side of the anode plate is provided with a hydrogen flow field; the front surface of the negative plate is provided with an air flow channel, and the air flow channel is formed by a plurality of air flow channel grooves; the back of the cathode plate is provided with a cooling liquid channel which is composed of a plurality of cooling liquid channel grooves. The fuel cell stack is formed by sequentially laminating a membrane electrode and the bipolar plate, and a cathode reinforcing layer is arranged between the cathode of the membrane electrode and the cathode of the bipolar plate.
Another example of the invention disclosed in publication No. CN111048799A discloses a fuel cell structure, the fuel cell structure comprises an anode end plate substrate assembly, a cathode end plate substrate assembly, a bipolar plate assembly and a membrane electrode, wherein the anode end plate substrate assembly comprises an anode end plate substrate and a first anode substrate which are connected, a plurality of first polar plate units are arranged on the first anode substrate, the cathode end plate substrate assembly comprises a cathode end plate substrate and a first cathode substrate which are connected, a plurality of second polar plate units are arranged on the first cathode substrate, the bipolar plate assembly is arranged between the anode end plate substrate assembly and the cathode end plate substrate assembly, the bipolar plate assembly comprises a second anode substrate and a second cathode substrate which are connected, a plurality of third polar plate units and a fourth polar plate unit are arranged on the second anode substrate and the second cathode substrate respectively, and the membrane electrode is arranged between the anode end plate substrate assembly and the bipolar plate assembly and between the cathode end plate substrate assembly and the bipolar plate assembly.
Disclosure of Invention
The invention provides a flexible fuel cell aiming at the problems of the fuel cell in the prior art, which gets rid of the fuel cell pile form of the prior bipolar plate structure, and flexible single cell modules in the length direction can be continuously extended to form a long series battery pack.
A flexible fuel cell comprising:
the membrane electrode assembly comprises a proton exchange membrane sprayed with a catalyst layer and protection frame layers arranged on two sides of the proton exchange membrane, wherein a plurality of filling avoiding areas used for filling the diffusion layer are arranged on the protection frame layers, and each filling avoiding area corresponds to one single cell;
the conducting layers are arranged on two sides of the membrane electrode assembly and are used for connecting the monocells in series;
the insulating films are arranged on two sides of the membrane electrode assembly and are used for respectively covering the diffusion layers and the conducting layers on the two sides;
the components are bonded with each other, wherein a non-bonding area for supporting the insulating film after gas is introduced to form a gas flow passage is reserved between the insulating film and the rest of the components.
Preferably, the anode side and the cathode side of the adjacent single cells face opposite directions, and each conductive layer is connected with the diffusion layer positioned on the same side in the two adjacent single cells.
More preferably, the head and the tail of each conductive layer respectively cover the diffusion layers positioned on the same side in two adjacent single cells, wherein the region of the conductive layer covering the diffusion layers is provided with a gas permeable structure for gas to pass through.
Preferably, the conductive layer is made of carbon fibers or metal sheets, when the conductive layer is made of carbon fibers, the area of the conductive layer covering the diffusion layer is in filamentation distribution, and the ventilation structure is formed between adjacent carbon fiber filaments; when the material is a metal sheet, the area of the conductive layer covering the diffusion layer is punched to form a mesh serving as a ventilation structure.
Preferably, the diffusion layer and the conductive layer are integrally formed, two filling avoidance areas corresponding to two diffusion layers connected in series with the same conductive layer are mutually separated or mutually communicated, and when the two filling avoidance areas are mutually communicated, a pore blocking agent is used for blocking a pore for gas diffusion in an area, corresponding to the middle of two single cells, of the diffusion layer and the conductive layer. The pore blocking agent is used for avoiding mutual leakage of gas between adjacent single cells.
More preferably, the diffusion layer and the conductive layer are made of carbon paper or carbon cloth, and the pore-plugging agent is liquid sealant or thermoplastic polymer material. Wherein, the liquid sealant can be organic silicon rubber; the thermoplastic polymer material can be any material having no toxicity, corrosion resistance, hydrolysis resistance and high temperature resistance, such as polypropylene (PP). The pore-plugging agent is pressed into the carbon paper or the carbon cloth in a flowing state or naturally permeates into the carbon paper or the carbon cloth, and the pore-plugging agent plays a role in plugging pores after being solidified. The pressing process can be realized by using negative pressure adsorption at the other side of the carbon paper or the carbon cloth, and after the flowing pore blocking agent is completely adsorbed into the carbon paper or the carbon cloth, the residual glue on the two sides is scraped before hardening.
Preferably, the flexible fuel cell further comprises a hard outer fixing plate arranged outside the insulating film, and the two outer fixing plates on the two sides are provided with accommodating grooves for accommodating and supporting the gas flow channel formed after the insulating film is stretched.
More preferably, the gas flow path includes:
an air flow passage and a hydrogen flow passage covering the diffusion layer;
the single battery air channel comprises a main air inlet channel positioned at the inlet end of an air channel and a main air outlet channel positioned at the outlet end of the air channel, wherein the sides of the air channels of all the single batteries are connected with the main air inlet channel through an air inlet and connected with the main air outlet channel through an air outlet;
the hydrogen inlet channel is positioned at the inlet end of the hydrogen flow channel, the main hydrogen outlet channel is positioned at the outlet end of the hydrogen flow channel, and the sides of the hydrogen flow channels of all the monocells are connected with the main hydrogen inlet channel through a hydrogen inlet and connected with the main hydrogen outlet channel through a hydrogen outlet.
Preferably, the main air inlet channel and the main air outlet channel are respectively located at one end of the main hydrogen inlet channel and one end of the main hydrogen outlet channel, which are far away from the diffusion layer, the main hydrogen inlet channel and the main hydrogen outlet channel are divided into a plurality of sections by an air inlet or an air outlet, and the membrane electrode assembly is provided with through holes which are used for communicating the plurality of sections of the main hydrogen inlet channels or the main hydrogen outlet channels at two sides.
Preferably, the membrane electrode assembly has an avoidance area for avoiding the main air inlet channel, the main air outlet channel, the main hydrogen inlet channel and the main hydrogen outlet channel, and two main air inlet channels, two main air outlet channels, two main hydrogen inlet channels and two main hydrogen outlet channels on two sides of the membrane electrode assembly are integrated into a whole respectively.
The insulating film is directly bonded with the membrane electrode assembly or the conducting layer through hot pressing, hot-melt adhesive or normal-temperature glue.
The technical scheme of the application has the beneficial effects that:
the flexible fuel cell has a simple structure, breaks away from the limitation of the existing fuel cell stacking structure, and all components are mutually matched and assembled, so that the complex assembly process is omitted, the production can be completed simply by a full-automatic production line, and the flexible fuel cell has various shapes, light material weight and low forming difficulty.
The conductive layer is used for replacing a bipolar plate, the external insulating film, the conductive layer and the membrane electrode assembly are bonded together in the middle area of the two monocells, the fuel cell stack form of the existing bipolar plate structure is eliminated, and the flexible monocell module capable of continuously extending in the length direction can form a long series battery pack.
The body is flexible, so that the expansion performance is strong, the weight is light, and the outer layer is provided with an insulating film, so that the cooling device can adapt to various cooling environments.
Drawings
Fig. 1 is an exploded view of a flexible fuel cell according to the present invention when the conductive layer and the diffusion layer are separately designed.
Fig. 2 is a schematic structural diagram of the conductive layer when the conductive layer and the diffusion layer are designed separately.
Fig. 3 is a schematic diagram of the relative positions of the conductive layer and the diffusion layer when the conductive layer and the diffusion layer are designed separately.
Fig. 4 is a partially enlarged view of a in fig. 3.
Fig. 5 is a schematic structural view of a single cell gas flow channel when the conductive layer and the diffusion layer are integrally designed without blowing.
Fig. 6 is a partial enlarged view of B in fig. 5.
Fig. 7 is a schematic structural view of a single cell gas channel after blowing gas when the conductive layer and the diffusion layer are integrally designed.
Fig. 8 is a partial enlarged view of C in fig. 7.
FIG. 9 is a schematic diagram of the configuration of two primary air (or "hydrogen") inlet (or "outlet") channels when combined together and not inflated.
FIG. 10 is a schematic diagram of the structure after air blowing when two main air (or "hydrogen") inlet (or "outlet") channels are combined.
Fig. 11 is a schematic structural view of a gas flow channel in a flexible fuel cell.
Fig. 12 is a schematic structural view of the other side gas flow channel in the flexible fuel cell.
Detailed Description
As shown in fig. 1 to 12, a flexible fuel cell includes: membrane electrode assembly, conductive layer 4 and insulating film 5. The membrane electrode assembly comprises a proton exchange membrane 1 sprayed with a catalyst layer and a protection frame layer 2 arranged on two sides of the proton exchange membrane 1, a plurality of filling avoiding areas 21 used for filling the diffusion layer 3 are arranged on the protection frame layer 2, and each filling avoiding area 21 corresponds to a single cell. The catalyst layer and the proton exchange membrane 1 can be prepared by using conventional materials in the prior art, the protective frame layer 2 and the insulating film 5 can be made of the same material, such as PI, PET film and the like, and the protective frame layer 2 can also be made of a thin glass cloth laminated board (Fr-4) in order to enhance the structural strength.
The conductive layers 4 are provided on both sides of the membrane electrode assembly for connecting the unit cells in series, the anode side and the cathode side of adjacent unit cells face opposite directions, and each conductive layer 4 connects diffusion layers located on the same side of two adjacent unit cells. The conductive layer 4 functions as a bipolar plate structure in a prior art fuel cell for electrically connecting the cathode and the anode (or the anode and the cathode) of two adjacent single cells in series.
The insulating films 5 are arranged on two sides of the membrane electrode assembly and are used for respectively covering the diffusion layers 3 and the conducting layers 4 on two sides. The membrane electrode assembly, the conducting layer 4 and the insulating film 5 are all of flexible structures, and are light in material weight, low in forming difficulty and high in expandability. The components are bonded to each other, wherein a non-bonding region for spreading the insulating film 5 after the gas is introduced to form the gas flow channel 7 is left between the insulating film 5 and the rest of the components.
The conductive layer 4 may be designed to be layered with the diffusion layer 3 or may be designed to be integrated into a two-layer structure. When the cell is designed in a layered mode, the head and the tail of each conducting layer 4 respectively cover the diffusion layers 3 which are positioned on the same side in two adjacent single cells, and a ventilation structure for gas to pass through is arranged in the area, covered with the diffusion layers 3, of the conducting layers 4 (figure 2). After the gas is blown in between the insulating film 5 and the diffusion layer 3, the insulating film 5 is bulged to form a gas flow channel, and the gas permeable structure is used for allowing the gas to enter the diffusion layer 3. In a preferred embodiment, the material of the conductive layer 4 is carbon fiber or metal sheet, and when the material is carbon fiber, the area of the conductive layer 4 covering the diffusion layer 3 is in filamentation distribution, and an air permeable structure is formed between adjacent carbon fiber filaments, that is, the carbon fiber is in a structure of one ribbon and one ribbon, and a certain gap is formed between the two ribbons, and the gap serves as an air permeable structure; when the material is a metal sheet, the area of the conductive layer 4 covering the diffusion layer 3 is punched to form a mesh as an air permeable structure. The size of the ventilation structure and the like can be adjusted according to actual needs. As shown in fig. 3 and 4, the anode side and the cathode side of the unit cells located on both sides of the proton exchange membrane 1 are designed to be shifted from each other, so that the conductive layer 4 is also shifted, and all the unit cells are connected in series to form a stack, and the arrow in fig. 3 indicates the electron transfer direction, and electrons are transferred from the unit cell at one end of the flexible fuel cell to the unit cell at the other end.
As shown in fig. 5 to 8, the conductive layer 4 and the diffusion layer 3 are integrally formed, the conductive layer 4 and the diffusion layer 3 form a single layer structure, and when two adjacent single cells are connected in series by using the conductive layer 4, two corresponding filling avoiding regions 21 on the protective frame layer 2 can be connected into one, or certainly can be separated into two, and when the two adjacent single cells are connected into one, a pore blocking agent needs to be doped into the conductive layer 4 located between the two single cells, so as to prevent mutual leakage of gas between the two single cells. The diffusion layer 3 and the conducting layer 4 are made of carbon paper or carbon cloth, and the pore blocking agent can be liquid sealant or thermoplastic polymer material. Wherein, the liquid sealant can be organic silicon rubber; the thermoplastic polymer material can be any material having no toxicity, corrosion resistance, hydrolysis resistance and high temperature resistance, such as polypropylene (PP). The pore-plugging agent is pressed into the carbon paper or the carbon cloth in a flowing state or naturally permeates into the carbon paper or the carbon cloth, and the pore-plugging agent plays a role in plugging pores after being solidified. The pressing process can be realized by using negative pressure adsorption at the other side of the carbon paper or the carbon cloth, and after the flowing pore blocking agent is completely adsorbed into the carbon paper or the carbon cloth, the residual glue on the two sides is scraped before hardening.
In a preferred embodiment, as shown in fig. 7 and 8, the flexible fuel cell of the present application further includes a rigid external fixing plate 6 disposed outside the insulating film 5, and the two external fixing plates 6 on both sides have receiving grooves 61 for receiving and supporting the gas flow channels 7 formed after the insulating film 5 is stretched. The external fixing plate 6 is used for supporting the insulating film 5 when the internal part bulges, preventing the battery from deforming caused by excessive internal air pressure and reducing the shape fluctuation of the battery caused by air pressure fluctuation; meanwhile, the flow channel inside the outer fixing plate 6 can form a gas flow channel after the insulating film 5 is bulged.
As shown in fig. 9 to 12, which are schematic structural diagrams of the gas flow channel 7 of the flexible fuel cell of the present application, the diffusion layer 3 shown in fig. 11 and 12 is an active region, the remaining dotted lines are indicated as bonding regions 8 to be bonded, and although one dotted line is used in the drawing for the bonding region 8, the bonding region 8 has a certain width, and the specific width is determined according to actual needs. The insulating film 5 and the membrane electrode assembly or the conducting layer 4 are directly bonded by hot pressing, hot sealing by using hot melt adhesive or directly bonded by using normal temperature glue.
The gas flow channels 7 include air flow channels and hydrogen flow channels covering the diffusion layer 3, and the specific structures of the air flow channels and the hydrogen flow channels in the active region may be conventional structural designs, so the structures of both are not shown in detail in the drawings. Between the bonding areas 8, gas flow channels 7 are formed for communicating the active areas.
The gas flow channel 7 further comprises a main air inlet channel 71 at the inlet end of the air flow channel and a main air outlet channel 72 at the outlet end of the air flow channel, wherein the main air inlet channel 71 and the main air outlet channel 72 extend from one end to the other end of the flexible fuel cell, and correspond to all the single cells, the air flow channels of all the single cells are connected with the main air inlet channel 71 through an air inlet 73 and connected with the main air outlet channel 72 through an air outlet.
The gas flow channel 7 further includes a main hydrogen inlet channel 75 located at the inlet end of the hydrogen flow channel and a main hydrogen outlet channel 76 located at the outlet end of the hydrogen flow channel, the main hydrogen inlet channel 75 and the main hydrogen outlet channel 76 also extend from one end of the flexible fuel cell to the other end, corresponding to all the single cells, the hydrogen flow channels of all the single cells are connected to the main hydrogen inlet channel 75 through a hydrogen inlet 77 and connected to the main hydrogen outlet channel 76 through a hydrogen outlet 78.
The main air inlet passage 71 and the main air outlet passage 72 are located at ends of the main hydrogen inlet passage 75 and the main hydrogen outlet passage 76, respectively, remote from the diffusion layer 3. The main hydrogen inlet channel 75 and the main hydrogen outlet channel 76 are located at the inner ends and are divided into a plurality of sections by the air inlet 73 or the air outlet 74, and the membrane electrode assembly has through holes 79 through which the plurality of sections of the main hydrogen inlet channel 75 or the main hydrogen outlet channel 76 on both sides (here, both sides refer to both sides of the membrane electrode assembly) are inserted.
In addition to the above-mentioned way of designing the through holes 79, in another embodiment, the membrane electrode assembly has an avoidance area avoiding the main air inlet channel 71, the main air outlet channel 72, the main hydrogen inlet channel 75 and the main hydrogen outlet channel 76, and the avoidance area is located between the two main air inlet channels 71, between the two main air outlet channels 72, between the two main hydrogen inlet channels 75 and between the two main hydrogen outlet channels 76 on both sides of the membrane electrode assembly, so that the two main air inlet channels 71, between the two main air outlet channels 72, between the two main hydrogen inlet channels 75 and between the two main hydrogen outlet channels 76 originally located on both sides of the membrane electrode assembly are integrated with each other, and thus the structure shown in fig. 10 can be directly formed, and the main hydrogen inlet channels 75 located on both sides of the membrane electrode assembly and divided into multiple sections are partially overlapped with each other, The main hydrogen inlet passages 75 can be connected end to end, so that the main hydrogen inlet passages can be communicated with each other. Accordingly, the main hydrogen outlet passages 76, which are divided into a plurality of sections on both sides of the membrane electrode assembly, can be communicated with each other.
When the flexible fuel cell is produced, the membrane electrode assembly capable of forming a plurality of monocells can be combined with the flexible structures such as the conducting layer 4 and the insulating film 5, the assemblies are directly bonded through hot pressing, hot melt adhesive or normal temperature glue, and when the non-bonded areas corresponding to the insulating film 5 and the membrane electrode assembly are ventilated, the insulating film 5 can be stretched to form a gas flow channel.
Claims (8)
1. A flexible fuel cell, comprising:
the membrane electrode assembly comprises a proton exchange membrane sprayed with a catalyst layer and protection frame layers arranged on two sides of the proton exchange membrane, wherein a plurality of filling avoiding areas used for filling the diffusion layer are arranged on the protection frame layers, and each filling avoiding area corresponds to one single cell;
the conducting layers are arranged on two sides of the membrane electrode assembly and are used for connecting the monocells in series;
the insulating films are arranged on two sides of the membrane electrode assembly and are used for respectively covering the diffusion layers and the conducting layers on the two sides;
the components are mutually bonded, wherein a non-bonding area for opening the insulating film after gas is introduced to form a gas flow channel is reserved between the insulating film and the rest of the components;
the diffusion layer and the conductive layer are integrally formed.
2. A flexible fuel cell according to claim 1, wherein the anode side and the cathode side of adjacent unit cells face opposite directions, and each conductive layer connects the diffusion layers located on the same side in the adjacent two unit cells.
3. The flexible fuel cell according to claim 1, wherein two filling relief regions corresponding to two diffusion layers connected in series by the same conductive layer are separated from or connected to each other, and when connected to each other, the diffusion layers and the conductive layer block pores for gas diffusion by using a pore blocking agent in a region corresponding to the middle of two single cells.
4. The flexible fuel cell according to claim 3, wherein the diffusion layer and the conductive layer are made of carbon paper or carbon cloth, and the pore-blocking agent is a liquid sealant or a thermoplastic polymer material.
5. The flexible fuel cell according to claim 1, further comprising rigid outer fixing plates disposed outside the insulating film, wherein the two outer fixing plates on both sides have receiving grooves for receiving and supporting the gas flow path formed after the insulating film is spread.
6. The flexible fuel cell according to claim 5, wherein the gas flow channel comprises:
an air flow passage and a hydrogen flow passage covering the diffusion layer;
the single battery air channel comprises a main air inlet channel positioned at the inlet end of an air channel and a main air outlet channel positioned at the outlet end of the air channel, wherein the sides of the air channels of all the single batteries are connected with the main air inlet channel through an air inlet and connected with the main air outlet channel through an air outlet;
the hydrogen inlet channel is positioned at the inlet end of the hydrogen flow channel, the main hydrogen outlet channel is positioned at the outlet end of the hydrogen flow channel, and the sides of the hydrogen flow channels of all the monocells are connected with the main hydrogen inlet channel through a hydrogen inlet and connected with the main hydrogen outlet channel through a hydrogen outlet.
7. The flexible fuel cell according to claim 6, wherein the main air inlet channel and the main air outlet channel are respectively located at ends of the main hydrogen inlet channel and the main hydrogen outlet channel, which are away from the diffusion layer, the main hydrogen inlet channel and the main hydrogen outlet channel are divided into a plurality of sections by air inlets or air outlets, and the membrane electrode assembly has through holes through which the plurality of sections of the main hydrogen inlet channels or the main hydrogen outlet channels on both sides are passed.
8. The flexible fuel cell according to claim 6, wherein the membrane electrode assembly has an avoidance area that avoids the main air inlet channel, the main air outlet channel, the main hydrogen inlet channel, and the main hydrogen outlet channel, and the two main air inlet channels, the two main air outlet channels, the two main hydrogen inlet channels, and the two main hydrogen outlet channels on both sides of the membrane electrode assembly are integrated with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010801733.0A CN112103525B (en) | 2020-08-11 | 2020-08-11 | Flexible fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010801733.0A CN112103525B (en) | 2020-08-11 | 2020-08-11 | Flexible fuel cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112103525A CN112103525A (en) | 2020-12-18 |
| CN112103525B true CN112103525B (en) | 2022-04-01 |
Family
ID=73752782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010801733.0A Active CN112103525B (en) | 2020-08-11 | 2020-08-11 | Flexible fuel cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112103525B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200531335A (en) * | 2004-03-08 | 2005-09-16 | Antig Tech Co Ltd | Flexible fuel cell |
| CN1988230A (en) * | 2005-12-21 | 2007-06-27 | 三星电机株式会社 | Flexible fuel cell |
| CN201060896Y (en) * | 2007-07-27 | 2008-05-14 | 新源动力股份有限公司 | Compound film electrode of proton exchange film fuel cell |
| JP2010182483A (en) * | 2009-02-04 | 2010-08-19 | Toyota Motor Corp | Fuel battery cell and fuel battery |
| CN105304915A (en) * | 2014-07-17 | 2016-02-03 | 北京锦源创新科技有限公司 | Bipolar plate for fuel battery, and manufacture method for bipolar plate for fuel battery |
| CN109921051A (en) * | 2019-02-22 | 2019-06-21 | 佛山科学技术学院 | A kind of ultrathin flexible graphite bi-polar plate and preparation method thereof |
| CN111106362A (en) * | 2019-12-27 | 2020-05-05 | 江苏大学 | Flow channel controllable flexible flow field plate for fuel cell, control system and control method |
| CN111416133A (en) * | 2020-03-31 | 2020-07-14 | 西安交通大学 | One end self-sealing ceramic flat tube support type battery/electrolytic cell and battery stack structure |
| CN211088400U (en) * | 2019-11-18 | 2020-07-24 | 天能电池集团股份有限公司 | Composite structure of diffusion layer of separator flow channel and fuel cell using same |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005056586A (en) * | 2003-08-01 | 2005-03-03 | Seiko Epson Corp | Fuel cell, its manufacturing method, and electric and electronic equipment |
| US8410747B2 (en) * | 2004-07-21 | 2013-04-02 | Societe Bic | Flexible fuel cell structures having external support |
| US20080044707A1 (en) * | 2006-08-21 | 2008-02-21 | National Tsing Hua University | Flexible fuel cell |
| TWM373573U (en) * | 2009-04-29 | 2010-02-01 | Ind Tech Res Inst | Flexible power supply |
| KR101421504B1 (en) * | 2012-03-29 | 2014-07-22 | 서울대학교산학협력단 | Flexible fuel cell and method of fabricating thereof |
-
2020
- 2020-08-11 CN CN202010801733.0A patent/CN112103525B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200531335A (en) * | 2004-03-08 | 2005-09-16 | Antig Tech Co Ltd | Flexible fuel cell |
| CN1988230A (en) * | 2005-12-21 | 2007-06-27 | 三星电机株式会社 | Flexible fuel cell |
| CN201060896Y (en) * | 2007-07-27 | 2008-05-14 | 新源动力股份有限公司 | Compound film electrode of proton exchange film fuel cell |
| JP2010182483A (en) * | 2009-02-04 | 2010-08-19 | Toyota Motor Corp | Fuel battery cell and fuel battery |
| CN105304915A (en) * | 2014-07-17 | 2016-02-03 | 北京锦源创新科技有限公司 | Bipolar plate for fuel battery, and manufacture method for bipolar plate for fuel battery |
| CN109921051A (en) * | 2019-02-22 | 2019-06-21 | 佛山科学技术学院 | A kind of ultrathin flexible graphite bi-polar plate and preparation method thereof |
| CN211088400U (en) * | 2019-11-18 | 2020-07-24 | 天能电池集团股份有限公司 | Composite structure of diffusion layer of separator flow channel and fuel cell using same |
| CN111106362A (en) * | 2019-12-27 | 2020-05-05 | 江苏大学 | Flow channel controllable flexible flow field plate for fuel cell, control system and control method |
| CN111416133A (en) * | 2020-03-31 | 2020-07-14 | 西安交通大学 | One end self-sealing ceramic flat tube support type battery/electrolytic cell and battery stack structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112103525A (en) | 2020-12-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3489181B2 (en) | Unit cell of fuel cell and method of manufacturing the same | |
| EP1484813B1 (en) | Solid polymer electrolyte fuel cell and method for producing the same | |
| CN113611888B (en) | Fuel cell | |
| CN110224154B (en) | Frame-equipped membrane electrode assembly, method for producing same, and fuel cell | |
| JP2017139218A (en) | Method of producing fuel cell stack and method of producing metal separator for fuel cell | |
| US20090220833A1 (en) | Fuel Cell Device | |
| EP2759011B1 (en) | Fuel cell assembly | |
| CA2910082C (en) | Insulating structure, fuel cell and fuel cell stack | |
| JP5708614B2 (en) | Cell module and fuel cell stack | |
| JP2000133291A (en) | Solid polymer electrolyte fuel cell and its manufacture | |
| JP2006156099A (en) | Humidifier and its manufacturing method | |
| CN110444790B (en) | Membrane electrode assembly, preparation method and fuel cell | |
| CN101373837B (en) | Pole plate for fuel cell device | |
| WO2014007182A1 (en) | Fuel cell stack | |
| JP5286895B2 (en) | Single cell assembly and fuel cell | |
| CN112103525B (en) | Flexible fuel cell | |
| JP3919281B2 (en) | Solid polymer membrane fuel cell | |
| US20090123784A1 (en) | Fuel cell module | |
| JP2011165589A (en) | Fuel cell | |
| JP5330135B2 (en) | Fuel cell | |
| JP4896813B2 (en) | Humidifier for fuel cell | |
| CN209183651U (en) | Fuel cell separator part, individual fuel cells, fuel cell pile and pole plate | |
| JP2008192403A (en) | Feul cell, its manufacturing method, and laminated member for fuel cell | |
| WO2010093811A1 (en) | Fuel cell stack with internal manifold sealed by framed membrane electrode assembly | |
| JP2021118144A (en) | Manufacturing method of fuel cell laminate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20201218 Assignee: Zhejiang Tianneng Hydrogen Energy Technology Co.,Ltd. Assignor: TIANNENG BATTERY GROUP Co.,Ltd. Contract record no.: X2022330000396 Denomination of invention: A flexible fuel cell Granted publication date: 20220401 License type: Common License Record date: 20220810 |