CN113540492A - Integrated multifunctional collector plate for fuel cell - Google Patents

Integrated multifunctional collector plate for fuel cell Download PDF

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Publication number
CN113540492A
CN113540492A CN202110717105.9A CN202110717105A CN113540492A CN 113540492 A CN113540492 A CN 113540492A CN 202110717105 A CN202110717105 A CN 202110717105A CN 113540492 A CN113540492 A CN 113540492A
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CN
China
Prior art keywords
collecting plate
current collecting
plastic
fuel cell
inner core
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.)
Pending
Application number
CN202110717105.9A
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Chinese (zh)
Inventor
关晓雨
王志强
姚凡
王朝云
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Anhui Tomorrow New Energy Technology Co ltd
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Anhui Tomorrow New Energy Technology Co ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Anhui Tomorrow New Energy Technology Co ltd filed Critical Anhui Tomorrow New Energy Technology Co ltd
Priority to CN202110717105.9A priority Critical patent/CN113540492A/en
Publication of CN113540492A publication Critical patent/CN113540492A/en
Pending legal-status Critical Current

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    • 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
    • H01M8/0258—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
    • H01M8/026—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant characterised by grooves, e.g. their pitch or depth
    • 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
    • H01M8/0258—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
    • H01M8/0265—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant the reactant or coolant channels having varying cross sections
    • 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
    • H01M8/02—Details
    • H01M8/0271—Sealing or supporting means around electrodes, matrices or membranes
    • H01M8/0276—Sealing means characterised by their form
    • 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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  • 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 an integrated multifunctional collector plate for a fuel cell, and relates to the technical field of fuel cells; in order to improve the reliability of the fuel cell; the plastic casing is wrapped outside the collector plate inner core by adopting a plastic-coating or plastic-spraying process; the central area of the outer wall of one side of the inner core of the flow collecting plate is provided with a flow guide boss, the outer wall of the plastic shell is provided with a boss opening matched with the flow guide boss, and the flow guide boss is tightly embedded into the boss opening; the outer wall of one side of the flow guide boss, which is far away from the collector plate inner core, is contacted with an active area of the fuel cell stack. According to the invention, the plastic shell is wrapped outside the inner core of the collector plate by adopting the processes of plastic coating, plastic spraying and the like, so that the current of the galvanic pile can be collected and led out, the reaction substance is prevented from contacting the inner core, and the effect of complete insulation is achieved; the risk of sealing failure is avoided, and the overall insulation reliability of the galvanic pile is improved.

Description

Integrated multifunctional collector plate for fuel cell
Technical Field
The invention relates to the technical field of fuel cells, in particular to an integrated multifunctional collector plate for a fuel cell.
Background
A pem fuel cell is an energy conversion device that directly converts chemical energy into electrical energy, wherein fuel gas and air or oxygen electrochemically react on the anode and cathode sides, respectively, to produce water, heat and electrical output. In the practical application process, the single cell is difficult to meet the voltage and power requirements, so that a plurality of single cells need to be stacked to form a fuel cell stack, and current collecting plates are needed to collect and output current at the two ends of the positive electrode and the negative electrode of the stack.
In the existing typical technical scheme, a metal plate with high conductivity is generally adopted as a material of the collector plate, the shape of the collector plate is matched with that of a single cell, and the conductivity and the corrosion resistance are further improved by adopting surface treatment. However, the current technical scheme has the following problems: the collector plate and the end plate of the galvanic pile are made of metal materials, so that extra insulation measures are needed, and meanwhile, the reaction gas of the galvanic pile is in direct contact with the coolant and the collector plate, so that the insulation performance of the galvanic pile cannot be guaranteed, and meanwhile, the direct contact with the reaction fluid is easy to corrode, so that the membrane electrode of a key assembly of the galvanic pile is polluted by ions, and the performance and the durability of the galvanic pile are affected. Chinese patent CN111082120A and patent CN 211829032U adopt similar solutions, and the current collecting plate is embedded into the plastic-coated end plate, so that the problem of contact between the current collecting plate and the reaction fluid can be solved, but the embedded part is fixed by glue or bolts, and there is a risk of sealing failure.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an integrated multifunctional current collecting plate for a fuel cell.
In order to achieve the purpose, the invention adopts the following technical scheme:
an integrated multifunctional collector plate for a fuel cell comprises a collector plate inner core and a plastic shell, wherein the plastic shell is wrapped outside the collector plate inner core by adopting a plastic-coating or plastic-spraying process; the central area of the outer wall of one side of the inner core of the flow collecting plate is provided with a flow guide boss, the outer wall of the plastic shell is provided with a boss opening matched with the flow guide boss, and the flow guide boss is tightly embedded into the boss opening; the outer wall of one side, far away from the current collecting plate inner core, of the flow guide boss is in contact with an active area of a fuel cell stack, an output copper bar used for being connected with high-voltage wiring of the stack is arranged on the outer wall of one side of the current collecting plate inner core, and an air circulation structure, a hydrogen circulation structure and a coolant circulation structure are arranged at the edges of the current collecting plate inner core and the plastic shell respectively.
Preferably: the coolant circulation structure includes that two coolant flow ports and two coolants are imported and exported, two coolant flow port sets up in two diagonal departments of current collector plate inner core, and two coolants import and export and set up in two diagonal departments of plastic casing, and coolant flow port's position and coolant import and export the correspondence.
Further: the hydrogen circulation structure comprises two hydrogen flow ports and two hydrogen inlets and outlets, the two hydrogen flow ports are arranged at the other two diagonal positions of the flow collecting plate inner core, the two hydrogen inlets and outlets are arranged at the other two diagonal positions of the plastic shell, and the positions of the hydrogen flow ports correspond to the hydrogen inlets and outlets.
Further preferred is: the air circulation structure comprises two air flow openings and two air inlets and outlets, the two air flow openings are symmetrically arranged on two sides of the inner core of the flow collecting plate, the two air inlets and outlets are symmetrically arranged on two sides of the plastic shell, and the positions of the air flow openings correspond to the air inlets and outlets.
As a preferable aspect of the present invention: the outer walls of the two sides of the top of the inner core of the flow collecting plate are provided with uniformly distributed process reinforcing holes.
Further preferred as the invention: the copper bar end cover is integrally extended to the outer side of the outer wall on one side of the plastic shell, and wraps the output copper bar.
As a still further scheme of the invention: the outer wall of one side of the plastic shell is provided with ribs distributed at equal intervals, and a gas flow field is formed between the ribs.
On the basis of the scheme: the cross section of each rib is of a rectangular structure or an isosceles triangle structure.
On the basis of the foregoing scheme, it is preferable that: the plastic shell is made of nylon and is added with glass fiber as a reinforcing agent.
It is further preferable on the basis of the foregoing scheme that: the flow collector inner core and the plastic shell form an anode flow collector or a cathode flow collector, the anode flow collector and the cathode flow collector are symmetrically arranged, a reactor core is arranged between the anode flow collector and the cathode flow collector, one side, far away from the reactor core, of the anode flow collector is provided with an anode end plate, and one side, far away from the reactor core, of the cathode flow collector is provided with a cathode end plate.
The invention has the beneficial effects that:
1. according to the invention, the plastic shell is wrapped outside the inner core of the collector plate by adopting the processes of plastic coating, plastic spraying and the like, so that the current of the galvanic pile can be collected and led out, the reaction substance is prevented from contacting the inner core, and the effect of complete insulation is achieved; the risk of sealing failure is avoided, and the overall insulation reliability of the galvanic pile is improved.
2. Through setting up the technology and strengthening the hole, can make material powder strengthen the hole cohesion integrated type when plastic casing package is moulded or the plastic-blasting to very big promotion the fastness of being connected between collector plate inner core and the plastic casing.
3. By arranging the copper bar end cover, the purpose of protecting and reinforcing the output copper bar can be achieved, and the structural firmness and reliability are improved; through setting up the rib, constitute the gas flow field between the rib, can alleviate the end plate effect in the galvanic pile operation process, have the effect of improving galvanic pile performance.
4. The integrated design of parts such as an insulating plate, a current collecting plate, a false electrode and the like of the common fuel cell stack in the market at present is carried out, the number of parts of the stack is reduced, and the assembly performance of the stack is improved; the collector plate design with the same structure as the reactor core is adopted, additional design on parts such as each end plate and the reactor core is not needed, and the sealing reliability of the galvanic pile is improved due to the non-spliced sealing surface.
Drawings
Fig. 1 is a schematic structural view of an integrated multifunctional current collecting plate for a fuel cell according to the present invention;
fig. 2 is a schematic structural view of the other side of the integrated multifunctional current collecting plate for a fuel cell according to the present invention;
fig. 3 is a schematic structural view of an integrated multifunctional current collecting plate core for a fuel cell according to the present invention;
fig. 4 is a schematic structural view of an integrated multifunctional current collecting plate plastic housing for a fuel cell according to the present invention;
fig. 5 is a schematic structural view of the other side of the plastic housing of the integrated multifunctional current collecting plate for a fuel cell according to the present invention;
FIG. 6 is an enlarged view taken at A in FIG. 5;
fig. 7 is a partial structural schematic view of an integrated multifunctional current collecting plate plastic casing for a fuel cell according to embodiment 2 of the present invention;
fig. 8 is a schematic structural view of an integrated multifunctional current collecting plate stack for a fuel cell according to embodiment 3 of the present invention.
In the figure: 1, 11 guide bosses, 12 output copper bars, 13 coolant flow ports, 14 air flow ports, 15 hydrogen flow ports, 16 process reinforcing holes, 2 plastic shells, 21 boss openings, 22 copper bar end covers, 23 coolant inlet and outlet, 24 air inlet and outlet, 25 hydrogen inlet and outlet, 26 ribs, 3 positive end plates, 4 positive current collecting plates, 5 reactor cores, 6 negative current collecting plates and 7 negative end plates.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1:
an integrated multifunctional current collecting plate for a fuel cell, as shown in fig. 1-6, comprises a current collecting plate inner core 1 and a plastic shell 2, wherein the plastic shell 2 is wrapped outside the current collecting plate inner core 1 by adopting a plastic wrapping or plastic spraying process; a flow guide boss 11 is arranged in the central area of the outer wall of one side of the collector plate inner core 1, a boss opening 21 matched with the flow guide boss 11 is arranged on the outer wall of the plastic shell 2, and the flow guide boss 11 is tightly embedded into the boss opening 21; the outer wall of one side, far away from the current collecting plate inner core 1, of the flow guide boss 11 is in contact with an active area of a fuel cell stack, the outer wall of one side of the current collecting plate inner core 1 is provided with an output copper bar 12 for connecting high-voltage wiring of the stack, and the edges of the current collecting plate inner core 1 and the plastic shell 2 are respectively provided with an air circulation structure, a hydrogen circulation structure and a coolant circulation structure; the plastic shell 2 is wrapped outside the collector plate inner core 1 by adopting the processes of plastic coating, plastic spraying and the like, so that the current of the galvanic pile can be collected and led out, the reaction substances can be prevented from contacting the inner core, and the complete insulation effect is achieved; the risk of sealing failure is avoided, and the overall insulation reliability of the galvanic pile is improved.
To facilitate coolant flow; as shown in fig. 1-5, the coolant flow-through structure includes two coolant flow-through ports 13 and two coolant inlets and outlets 23, the two coolant flow-through ports 13 are disposed at two opposite corners of the collector plate core 1, the two coolant inlets and outlets 23 are disposed at two opposite corners of the plastic shell 2, and the coolant flow-through ports 13 correspond to the coolant inlets and outlets 23; through setting up coolant circulation opening 13 and coolant import and export 23, provide the passageway for the circulation of coolant, promoted the reliability.
To facilitate hydrogen gas flow; as shown in fig. 1-5, the hydrogen circulation structure includes two hydrogen flow ports 15 and two hydrogen inlets and outlets 25, the two hydrogen flow ports 15 are disposed at the other two diagonal positions of the collector plate core 1, the two hydrogen inlets and outlets 25 are disposed at the other two diagonal positions of the plastic shell 2, and the positions of the hydrogen flow ports 15 correspond to the positions of the hydrogen inlets and outlets 25; through setting up hydrogen flow opening 15 and hydrogen import and export 25, for the circulation of hydrogen provides the passageway, promoted the reliability.
To facilitate air circulation; as shown in fig. 1-5, the air circulation structure includes two air circulation ports 14 and two air inlets and outlets 24, the two air circulation ports 14 are symmetrically disposed on two sides of the collector plate core 1, the two air inlets and outlets 24 are symmetrically disposed on two sides of the plastic shell 2, and the positions of the air circulation ports 14 correspond to the positions of the air inlets and outlets 24; by arranging the air circulation port 14 and the air inlet/outlet 24, a passage is provided for air circulation, and reliability is improved.
In order to improve structural firmness; as shown in fig. 3, the outer walls of the two sides of the top of the collector plate inner core 1 are provided with uniformly distributed process reinforcing holes 16; through setting up technology reinforcing hole 16, can make material powder at technology reinforcing hole 16 cohesion integrated type when plastic casing 2 plastic-coated or plastic-blasting to very big promotion the fastness of being connected between collector plate inner core 1 and the plastic casing 2.
In order to improve reliability; as shown in fig. 2 and 4, the outer wall of one side of the plastic housing 2 integrally extends outwards to form a copper bar end cover 22, and the copper bar end cover 22 is wrapped outside the output copper bar 12; through setting up copper bar end cover 22, can play the purpose of protection and reinforcement output copper bar 12, promote structural firmness and reliability.
To facilitate gas flow; as shown in fig. 6, ribs 26 are arranged on the outer wall of one side of the plastic housing 2 at equal intervals, and a gas flow field is formed between the ribs 26; by arranging the ribs 26, a gas flow field is formed among the ribs 26, so that the end plate effect in the operation process of the galvanic pile can be relieved, and the performance of the galvanic pile is improved.
To facilitate gas flow; as shown in fig. 6, the rib 26 has a rectangular cross-section.
Example 2:
an integrated multifunctional current collecting plate for a fuel cell, as shown in fig. 7, for ease of gas flow; the present embodiment is modified from embodiment 1 as follows: the cross section of the rib 26 is in an isosceles triangle structure.
Example 3:
an integrated multifunctional current collecting plate for a fuel cell, as shown in fig. 8, this embodiment is modified from embodiment 1 or 2 as follows: the current collecting plate inner core 1 and the plastic shell 2 form a positive current collecting plate 4 or a negative current collecting plate 6, the positive current collecting plate 4 and the negative current collecting plate 6 are symmetrically arranged, a reactor core 5 is arranged between the positive current collecting plate 4 and the negative current collecting plate 6, a positive end plate 3 is arranged on one side of the positive current collecting plate 4, which is far away from the reactor core 5, and a negative end plate 7 is arranged on one side of the negative current collecting plate 6, which is far away from the reactor core 5; the plastic shell 2 is made of nylon and is added with glass fiber as a reinforcing agent.
This embodiment is through setting up anodal end plate 3, anodal current collector plate 4, reactor core 5, negative pole current collector plate 6, negative pole end plate 7 isotructure, fuel cell pile structure has been constituted, when using, need to ensure that water conservancy diversion boss 11 keeps away from one side outer wall of current collector plate inner core 1 and the active region of fuel cell pile contact, connect high-voltage connection and use on output copper bar 12, plastic housing 2 adopts the nylon material in addition, and add fine as the reinforcing agent of glass, and has advantages such as intensity is good, the hydroscopicity is low, insulating properties is good.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the scope of the present invention, which is defined by the claims and their equivalents, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.

Claims (10)

1. An integrated multifunctional collector plate for a fuel cell comprises a collector plate inner core (1) and a plastic shell (2), and is characterized in that the plastic shell (2) is wrapped outside the collector plate inner core (1) by adopting a plastic-coating or plastic-spraying process; a flow guide boss (11) is arranged in the central area of the outer wall of one side of the collector plate inner core (1), the plastic shell (2) is provided with a boss opening (21) matched with the flow guide boss (11) on the outer wall, and the flow guide boss (11) is tightly embedded into the boss opening (21); the fuel cell stack is characterized in that the outer wall of one side, away from the current collecting plate inner core (1), of the current guide boss (11) is in contact with an active region of a fuel cell stack, an output copper bar (12) used for connecting high-voltage wiring of the stack is arranged on the outer wall of one side of the current collecting plate inner core (1), and an air circulation structure, a hydrogen circulation structure and a coolant circulation structure are respectively arranged at the edges of the current collecting plate inner core (1) and the plastic shell (2).
2. The integrated multifunctional collecting plate for a fuel cell according to claim 1, wherein the coolant flow-through structure comprises two coolant flow-through ports (13) and two coolant inlet/outlet ports (23), the two coolant flow-through ports (13) are disposed at two diagonal corners of the collecting plate core (1), and the two coolant inlet/outlet ports (23) are disposed at two diagonal corners of the plastic case (2), the coolant flow-through ports (13) are located corresponding to the coolant inlet/outlet ports (23).
3. The integrated multifunctional current collecting plate for a fuel cell according to claim 2, wherein the hydrogen gas flow structure comprises two hydrogen gas flow ports (15) and two hydrogen gas inlet/outlet ports (25), the two hydrogen gas flow ports (15) are disposed at the other two diagonal corners of the current collecting plate core (1), and the two hydrogen gas inlet/outlet ports (25) are disposed at the other two diagonal corners of the plastic housing (2), and the positions of the hydrogen gas flow ports (15) correspond to the positions of the hydrogen gas inlet/outlet ports (25).
4. The integrated multifunctional collecting plate for a fuel cell according to claim 3, wherein the air circulation structure comprises two air circulation ports (14) and two air inlet/outlet ports (24), the two air circulation ports (14) are symmetrically disposed on both sides of the collecting plate core (1), and the two air inlet/outlet ports (24) are symmetrically disposed on both sides of the plastic case (2), the positions of the air circulation ports (14) correspond to the positions of the air inlet/outlet ports (24).
5. The integrated multifunctional current collector for fuel cells according to claim 4, wherein the outer walls of both sides of the top of the inner core (1) of the current collector are provided with uniformly distributed process reinforcing holes (16).
6. The integrated multifunctional current collector for fuel cells according to claim 5, wherein the plastic housing (2) has a side outer wall integrally extended with a copper bar end cover (22) to the outside, and the copper bar end cover (22) covers the outside of the output copper bar (12).
7. An integrated multifunctional current collector plate for a fuel cell according to claim 6, characterized in that the plastic housing (2) is provided with ribs (26) at equal intervals on one side of the outer wall, and gas flow fields are formed between the ribs (26).
8. The integrated multifunctional current collecting plate for a fuel cell according to claim 7, wherein the cross-section of the rib (26) has a rectangular structure or an isosceles triangular structure.
9. The integrated multifunctional current collector for a fuel cell according to claim 1, wherein the plastic case (2) is made of nylon and glass fiber is added as a reinforcing agent.
10. The integrated multifunctional current collecting plate for the fuel cell according to any one of claims 1 to 9, wherein the current collecting plate inner core (1) and the plastic shell (2) constitute an anode current collecting plate (4) or an cathode current collecting plate (6), the anode current collecting plate (4) and the cathode current collecting plate (6) are symmetrically arranged, a reactor core (5) is arranged between the anode current collecting plate (4) and the cathode current collecting plate (6), an anode end plate (3) is arranged on one side of the anode current collecting plate (4) far away from the reactor core (5), and a cathode end plate (7) is arranged on one side of the cathode current collecting plate (6) far away from the reactor core (5).
CN202110717105.9A 2021-06-28 2021-06-28 Integrated multifunctional collector plate for fuel cell Pending CN113540492A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110717105.9A CN113540492A (en) 2021-06-28 2021-06-28 Integrated multifunctional collector plate for fuel cell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110717105.9A CN113540492A (en) 2021-06-28 2021-06-28 Integrated multifunctional collector plate for fuel cell

Publications (1)

Publication Number Publication Date
CN113540492A true CN113540492A (en) 2021-10-22

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CN202110717105.9A Pending CN113540492A (en) 2021-06-28 2021-06-28 Integrated multifunctional collector plate for fuel cell

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114142056A (en) * 2021-11-26 2022-03-04 中汽创智科技有限公司 Current collecting plate

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114142056A (en) * 2021-11-26 2022-03-04 中汽创智科技有限公司 Current collecting plate
CN114142056B (en) * 2021-11-26 2024-02-27 中汽创智科技有限公司 Current collecting plate

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