CN110970637A - Fuel cell metal bipolar plate header pipe supporting structure - Google Patents

Fuel cell metal bipolar plate header pipe supporting structure Download PDF

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Publication number
CN110970637A
CN110970637A CN201911268186.8A CN201911268186A CN110970637A CN 110970637 A CN110970637 A CN 110970637A CN 201911268186 A CN201911268186 A CN 201911268186A CN 110970637 A CN110970637 A CN 110970637A
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CN
China
Prior art keywords
plate
annular
anode
manifold
cathode
Prior art date
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Pending
Application number
CN201911268186.8A
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Chinese (zh)
Inventor
姜天豪
毕飞飞
杜祥永
彭林法
蓝树槐
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Zhizhen New Energy Equipment Co ltd
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Shanghai Zhizhen New Energy Equipment Co ltd
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Publication date
Application filed by Shanghai Zhizhen New Energy Equipment Co ltd filed Critical Shanghai Zhizhen New Energy Equipment Co ltd
Priority to CN201911268186.8A priority Critical patent/CN110970637A/en
Publication of CN110970637A publication Critical patent/CN110970637A/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
    • H01M8/0271—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
    • H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/0247—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the 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 utility model provides a fuel cell metal bipolar plate house steward supporting structure, including anode plate and negative plate, the accent has been seted up correspondingly to the both ends homogeneous phase of anode plate and negative plate, the accent of every corresponding anode plate and negative plate constitutes a house steward that is used for the medium business turn over, and have the interval between the edge of the accent of corresponding anode plate and negative plate, the accent of at least one corresponding anode plate and negative plate is equipped with anode manifold supporting structure and cathode manifold supporting structure respectively the edgewise, anode manifold supporting structure and cathode manifold supporting structure support each other, set up the several hole that is used for the medium business turn over on anode manifold supporting structure and/or the cathode manifold supporting structure. The invention improves the strength of the structure at the header pipe on the metal bipolar plate, ensures the normal circulation of the medium and ensures the working stability of the metal bipolar plate.

Description

Fuel cell metal bipolar plate header pipe supporting structure
Technical Field
The invention belongs to the technical field of fuel cells, relates to a metal bipolar plate, and particularly relates to a metal bipolar plate header pipe supporting structure of a fuel cell.
Background
In order to allow the reactant gas and the cooling water to flow, the conventional fuel cell bipolar plate has openings at the header pipe, and the anode and cathode plates at the openings are in a relatively "suspended" state. As shown in fig. 1, during the assembly and operation of the metal bipolar plate, the header pipes of the anode plate 1 and the cathode plate 2 are easily deformed and overlapped due to the influence of external compression, vibration and the like, and the deformed parts are shown by the dotted circles in fig. 1, thereby influencing the flow of the medium and causing adverse effect on the electrochemical reaction.
Disclosure of Invention
The invention aims at the problems and provides a fuel cell metal bipolar plate manifold supporting structure.
The purpose of the invention can be realized by the following technical scheme: the utility model provides a fuel cell metal bipolar plate house steward supporting structure, includes anode plate and negative plate, the mouth has been seted up correspondingly at the both ends of anode plate and negative plate, and every corresponding anode plate and negative plate's mouth constitutes a house steward that is used for the medium business turn over to there is the interval between the edge of the mouth of corresponding anode plate and negative plate, and at least one corresponding anode plate and negative plate's mouth is equipped with anode manifold supporting structure and cathode manifold supporting structure respectively along the edge, anode manifold supporting structure and cathode manifold supporting structure support each other, offer the several hole that is used for the medium business turn over on anode manifold supporting structure and/or the cathode manifold supporting structure.
The anode manifold supporting structure comprises a first annular transition surface and a first annular supporting surface, the outer edge of the first annular transition surface is connected with the cavity opening edge of the anode plate, the first annular supporting surface is parallel to the plate surface of the anode plate, and the outer edge of the first annular supporting surface is connected with the inner edge of the first annular transition surface; the cathode manifold supporting structure comprises a second annular transition surface and a second annular supporting surface, the outer edge of the second annular transition surface is connected with the edge of the cavity opening of the cathode plate, the second annular supporting surface is parallel to the plate surface of the cathode plate, and the outer edge of the second annular supporting surface is connected with the inner edge of the second annular transition surface; the first annular transition surface and the second annular transition surface are respectively provided with a plurality of holes, and the first annular supporting surface and the second annular supporting surface are attached to each other to realize mutual supporting. Wherein the first annular transition surface is inclined relative to the plate surface of the anode plate and the second annular transition surface is inclined relative to the plate surface of the cathode plate.
The anode manifold supporting structure comprises a first annular transition surface and a first annular supporting surface, the outer edge of the first annular transition surface is connected with the cavity opening edge of the anode plate, the first annular supporting surface is parallel to the plate surface of the anode plate, and the outer edge of the first annular supporting surface is connected with the inner edge of the first annular transition surface; the cathode manifold supporting structure comprises a second annular supporting surface, the second annular supporting surface is flush with the surface of the cathode plate, and the outer edge of the second annular supporting surface is connected with the edge of the cavity opening of the cathode plate; the first annular transition surface is provided with a plurality of holes, and the first annular supporting surface and the second annular supporting surface are attached to realize mutual supporting. Wherein the first annular transition surface is inclined relative to the plate surface of the anode plate.
Further, the anode manifold supporting structure comprises a first annular supporting surface, the first annular supporting surface is flush with the plate surface of the anode plate, and the outer edge of the first annular supporting surface is connected with the edge of the cavity opening of the anode plate; the cathode manifold supporting structure comprises a second annular transition surface and a second annular supporting surface, the outer edge of the second annular transition surface is connected with the edge of the cavity opening of the cathode plate, the second annular supporting surface is parallel to the plate surface of the cathode plate, and the outer edge of the second annular supporting surface is connected with the inner edge of the second annular transition surface; the second annular transition surface is provided with a plurality of holes, and the first annular supporting surface and the second annular supporting surface are attached to each other to realize mutual supporting. Wherein the second annular transition surface is inclined relative to the plate surface of the cathode plate.
Further, the shape of the hole is circular, rectangular or elliptical.
Compared with the prior art, the invention has the beneficial effects that: set up positive pole house steward bearing structure at the accent edge of anode plate, set up negative pole house steward bearing structure at the accent edge of negative plate, positive pole house steward bearing structure and negative pole house steward bearing structure support each other to set up the hole that is used for the medium business turn over on positive pole house steward bearing structure and/or the negative pole house steward bearing structure, improved the intensity of house steward department structure on the metal bipolar plate, guaranteed the normal circulation of medium, guaranteed the stability of metal bipolar plate work.
Drawings
Fig. 1 is a schematic view of structural deformation at a manifold on a conventional metallic bipolar plate.
Fig. 2 is a schematic structural diagram of a fuel cell metal bipolar plate manifold support structure according to example 1 of the present invention.
Fig. 3 is a schematic structural view of a fuel cell stacked by a metal bipolar plate and a membrane electrode according to example 1 of the present invention.
Fig. 4 is a structural schematic diagram of a fuel cell metal bipolar plate manifold support structure according to example 2 of the present invention.
Fig. 5 is a structural diagram of a fuel cell metal bipolar plate manifold support structure according to example 3 of the present invention.
The parts in the figures are numbered as follows:
1 anode plate
2 negative plate
3 anode manifold supporting structure
301 first annular transition surface
302 first annular bearing surface
4 cathode header pipe supporting structure
401 second annular transition surface
402 second annular bearing surface
5 holes
6 film electrode.
Detailed Description
The following detailed description of the embodiments of the present invention will be given in conjunction with the accompanying drawings to make it clear to those skilled in the art how to practice the present invention. While the invention has been described in connection with preferred embodiments thereof, these embodiments are merely illustrative, and not restrictive, of the scope of the invention.
The utility model provides a fuel cell metal bipolar plate total pipe bearing structure, includes anode plate 1 and cathode plate 2, three accent has been seted up correspondingly to the both ends of anode plate 1 and cathode plate 2, and every corresponding anode plate 1 and cathode plate 2's accent constitutes a house steward that is used for the medium business turn over to there is the interval between the edge of the accent of corresponding anode plate 1 and cathode plate 2.
The utility model discloses a medium circulation device, including at least one corresponding anode plate 1 and cathode plate 2, wherein, the accent of at least one corresponding anode plate 1 and cathode plate 2 is equipped with anode manifold supporting structure 3 and cathode manifold supporting structure 4 respectively edgewise, set up the several hole 5 that is used for the medium business turn over on anode manifold supporting structure 3 and/or the cathode manifold supporting structure 4, anode manifold supporting structure 3 and cathode manifold supporting structure 4 support each other to avoid here the accent of anode plate 1 and cathode plate 2 to warp and influence the normal circulation of medium because of assembling and course of work.
Example 1
The anode manifold supporting structure 3 and the cathode manifold supporting structure 4 are formed by extending and bending the cavity opening edge of the plate where the anode manifold supporting structure and the cathode manifold supporting structure are located.
Referring to fig. 2, the anode manifold support structure 3 includes a first annular transition surface 301 and a first annular support surface 302, the first annular transition surface 301 is inclined with respect to the plate surface of the anode plate 1, the outer edge of the first annular transition surface 301 is connected with the orifice edge of the anode plate 1, the first annular support surface 302 is parallel to the plate surface of the anode plate 1, and the outer edge of the first annular support surface 302 is connected with the inner edge of the first annular transition surface 301.
The cathode manifold support structure 4 includes a second annular transition surface 401 and a second annular support surface 402, the second annular transition surface 401 being inclined with respect to the face of the cathode plate 2, the outer edge of the second annular transition surface 401 being connected to the aperture edge of the cathode plate 2, the second annular support surface 402 being parallel to the face of the cathode plate 2, the outer edge of the second annular support surface 402 being connected to the inner edge of the second annular transition surface 401.
A plurality of uniformly distributed holes 5 are formed in the first annular transition surface 301 and the second annular transition surface 401. In this embodiment, the holes 5 are arranged in two rows along the direction of the annular transition surface, and the two rows of holes 5 are staggered, and each hole 5 is circular.
The first annular supporting surface 302 and the second annular supporting surface 402 are attached to each other to realize mutual support, and further realize mutual support of the anode manifold supporting structure 3 and the cathode manifold supporting structure 4.
Fig. 3 is a schematic structural view of a fuel cell formed by stacking the metal bipolar plate and the membrane electrode 6 according to the present embodiment. When the fuel cell works, the structure at the manifold does not deform to influence the medium circulation.
Example 2
The difference from embodiment 1 is that, referring to fig. 4, the plurality of holes 5 on the first annular transition surface 301 and the second annular transition surface 401 are uniformly distributed along the direction of the annular transition surfaces, and each hole 5 is rectangular in shape.
Examples 3 and 4 are illustrative of the case where one of the anode manifold support structure 3 and the cathode manifold support structure 4 is a bent plate structure and the other is a flat plate structure.
Example 3
The difference from the embodiments 1 and 2 is that, referring to fig. 5, the anode manifold support structure 3 comprises a first annular transition surface 301 and a first annular support surface 302, the holes 5 on the first annular transition surface 301 are arranged in three rows along the direction of the first annular transition surface 301, and the holes 5 on two adjacent rows are staggered.
The cathode manifold support structure 4 is formed by horizontally extending the edge of the cavity opening of the cathode plate 2, the cathode manifold support structure 4 only comprises a second annular support surface 402, the second annular support surface 402 is flush with the surface of the cathode plate 2, and the outer edge of the second annular support surface is connected with the edge of the cavity opening of the cathode plate 2, namely, the cathode manifold support structure 4 is a flat plate structure.
Example 4
The difference from embodiment 3 is that the anode manifold support structure 3 is formed by horizontally extending the orifice edge of the anode plate 1, and the anode manifold support structure 3 only includes the first annular support surface 302, and the first annular support surface 302 is flush with the plate surface of the anode plate 1 and the outer edge thereof is connected with the orifice edge of the anode plate 1, i.e. the anode manifold support structure 3 is a flat plate structure.
The cathode manifold support structure 4 comprises a second annular transition surface 401 and a second annular support surface 402, the holes 5 on the second annular transition surface 401 are arranged in three rows along the direction of the second annular transition surface 401, and two adjacent rows of holes 5 are arranged in a staggered manner.
The specific structure is reversed with reference to fig. 5, and this is not shown by the figures.
In addition, the hole 5 may also be oval or in other shapes, and specific arrangement is only required by referring to the above embodiments, which is not described herein again.
It should be noted that many variations and modifications of the embodiments of the present invention fully described are possible and are not to be considered as limited to the specific examples of the above embodiments. The above examples are given by way of illustration of the invention and are not intended to limit the invention. In conclusion, the scope of the present invention should include those changes or substitutions and modifications which are obvious to those of ordinary skill in the art.

Claims (8)

1. The utility model provides a fuel cell metal bipolar plate house steward bearing structure, includes anode plate and negative plate, the mouth has been seted up correspondingly at the both ends of anode plate and negative plate, and every corresponding anode plate and negative plate's mouth constitutes a house steward that is used for the medium business turn over to there is the interval between the edge of the mouth of corresponding anode plate and negative plate, its characterized in that, the mouth of at least one corresponding anode plate and negative plate is respectively edgewise equipped with anode manifold bearing structure and cathode manifold bearing structure, anode manifold bearing structure and cathode manifold bearing structure support each other, set up the several hole that is used for the medium business turn over on anode manifold bearing structure and/or the cathode manifold bearing structure.
2. The fuel cell metallic bipolar plate manifold support structure of claim 1, wherein the anode manifold support structure includes a first annular transition surface and a first annular support surface, an outer edge of the first annular transition surface being connected to the port edge of the anode plate, the first annular support surface being parallel to the face of the anode plate, the outer edge of the first annular support surface being connected to the inner edge of the first annular transition surface; the cathode manifold supporting structure comprises a second annular transition surface and a second annular supporting surface, the outer edge of the second annular transition surface is connected with the edge of the cavity opening of the cathode plate, the second annular supporting surface is parallel to the plate surface of the cathode plate, and the outer edge of the second annular supporting surface is connected with the inner edge of the second annular transition surface; the first annular transition surface and the second annular transition surface are respectively provided with a plurality of holes, and the first annular supporting surface and the second annular supporting surface are attached to each other to realize mutual supporting.
3. The fuel cell metallic bipolar plate manifold support structure of claim 2, wherein said first annular transition surface is inclined relative to the plate face of the anode plate and said second annular transition surface is inclined relative to the plate face of the cathode plate.
4. The fuel cell metallic bipolar plate manifold support structure of claim 1, wherein the anode manifold support structure includes a first annular transition surface and a first annular support surface, an outer edge of the first annular transition surface being connected to the port edge of the anode plate, the first annular support surface being parallel to the face of the anode plate, the outer edge of the first annular support surface being connected to the inner edge of the first annular transition surface; the cathode manifold supporting structure comprises a second annular supporting surface, the second annular supporting surface is flush with the surface of the cathode plate, and the outer edge of the second annular supporting surface is connected with the edge of the cavity opening of the cathode plate; the first annular transition surface is provided with a plurality of holes, and the first annular supporting surface and the second annular supporting surface are attached to realize mutual supporting.
5. The fuel cell metallic bipolar plate manifold support structure of claim 4, wherein said first annular transition surface is inclined relative to the plate surface of the anode plate.
6. The fuel cell metallic bipolar plate manifold support structure of claim 1, wherein the anode manifold support structure includes a first annular support surface that is flush with the face of the anode plate and has an outer edge that interfaces with the orifice edge of the anode plate; the cathode manifold supporting structure comprises a second annular transition surface and a second annular supporting surface, the outer edge of the second annular transition surface is connected with the edge of the cavity opening of the cathode plate, the second annular supporting surface is parallel to the plate surface of the cathode plate, and the outer edge of the second annular supporting surface is connected with the inner edge of the second annular transition surface; the second annular transition surface is provided with a plurality of holes, and the first annular supporting surface and the second annular supporting surface are attached to each other to realize mutual supporting.
7. The fuel cell metallic bipolar plate manifold support structure of claim 6 wherein said second annular transition surface is inclined relative to the plate surface of the cathode plate.
8. The fuel cell metal bipolar plate manifold support structure of any one of claims 1 to 7, wherein the hole has a circular, rectangular or oval shape.
CN201911268186.8A 2019-12-11 2019-12-11 Fuel cell metal bipolar plate header pipe supporting structure Pending CN110970637A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911268186.8A CN110970637A (en) 2019-12-11 2019-12-11 Fuel cell metal bipolar plate header pipe supporting structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911268186.8A CN110970637A (en) 2019-12-11 2019-12-11 Fuel cell metal bipolar plate header pipe supporting structure

Publications (1)

Publication Number Publication Date
CN110970637A true CN110970637A (en) 2020-04-07

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CN201911268186.8A Pending CN110970637A (en) 2019-12-11 2019-12-11 Fuel cell metal bipolar plate header pipe supporting structure

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111477906A (en) * 2020-05-26 2020-07-31 上海交通大学 Air-permeable bipolar plate suitable for fuel cell stack and fuel cell stack

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111477906A (en) * 2020-05-26 2020-07-31 上海交通大学 Air-permeable bipolar plate suitable for fuel cell stack and fuel cell stack

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Inventor after: Jiang Tianhao

Inventor after: Bi Feifei

Inventor after: Du Xiangyong

Inventor after: Lan Shuhuai

Inventor before: Jiang Tianhao

Inventor before: Bi Feifei

Inventor before: Du Xiangyong

Inventor before: Peng Linfa

Inventor before: Lan Shuhuai

SE01 Entry into force of request for substantive examination
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CB02 Change of applicant information
CB02 Change of applicant information

Address after: 201306 factory building 1, No. 1500, cenglin Road, Lingang New District, pilot Free Trade Zone, Pudong New Area, Shanghai

Applicant after: Shanghai Zhizhen new energy Co.,Ltd.

Address before: 201306 factory building 1, no.1500, cenglin Road, Nicheng Town, Pudong New Area, Shanghai

Applicant before: SHANGHAI ZHIZHEN NEW ENERGY EQUIPMENT CO.,LTD.