KR101634042B1 - Alignment jig for welding metal separator of fuel cell - Google Patents
Alignment jig for welding metal separator of fuel cell Download PDFInfo
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- KR101634042B1 KR101634042B1 KR1020150069955A KR20150069955A KR101634042B1 KR 101634042 B1 KR101634042 B1 KR 101634042B1 KR 1020150069955 A KR1020150069955 A KR 1020150069955A KR 20150069955 A KR20150069955 A KR 20150069955A KR 101634042 B1 KR101634042 B1 KR 101634042B1
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- plate
- porous
- jig
- seating
- porous article
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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
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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
- H01M8/0297—Arrangements for joining electrodes, reservoir layers, heat exchange units or bipolar separators to each other
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
Disclosed is an alignment jig for fuel cell metal separator bonding capable of improving micro-spot welding alignment between a porous article and a metal separator.
The alignment jig for bonding a fuel cell metal separator according to the present invention comprises: a porous member seating plate having a porous member seating groove for seating a porous member; A jig bottom plate disposed below the porous article seating plate and supporting the porous article seating plate; A jig upper plate mounted on an upper portion spaced apart from the lower jig and vertically reciprocating with respect to the lower jig; A separator plate aligning member mounted on an edge of a long side of the porous article seating plate for aligning at least one or more metal separators stacked on the porous article for welding with the porous article; And an elastic member mounted on the edge between the porous member seating plate and the jig bottom plate and closely contacting the porous member to the metal separator plate when the jig bottom plate and the jig upper plate are in close contact with each other.
Description
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an alignment jig for fuel cell metal separator bonding, and more particularly, to an alignment jig for fuel cell metal separator bonding capable of improving micro spot welding alignment between a porous body and a metal separator plate.
The basic structure of a fuel cell is an electrolyte-electrode composite composed of an electrode, a catalyst layer, and a gas diffusion layer, and a metal separator alternately laminated repeatedly.
Among these fuel cells, Polymer Electrolyte Membrane Fuel Cell (PEMFC) is a power generation device that produces electricity directly by electrochemical reaction between hydrogen and oxygen.
That is, a polymer solid electrolyte fuel cell includes a membrane electrode assembly (MEA) having a catalyst electrode layer on both sides of the membrane, the electrolyte membrane on which hydrogen ions migrate, an electrochemical reaction occurs, A gas diffusion layer (GDL) serving to transfer energy, a gasket and a fastening mechanism for maintaining the airtightness of the reaction gases and the cooling water, an appropriate tightening pressure, and a metal separator plate for moving the reaction gases and the cooling water .
Among them, the gas diffusion layer is bonded to the outer surface of the catalyst layer coated for the oxidizing electrode and the reducing electrode on the surface of the polymer electrolyte membrane of the fuel cell, and the supply of hydrogen and air (oxygen) And discharging the generated water to minimize the flooding phenomenon in the fuel cell.
In recent years, studies have been actively conducted to apply a thin metal plate porous body having a mesh structure instead of carbon fiber as a gas diffusion layer for a fuel cell.
At this time, since the porous body has a regular structure, uniform performance can be exhibited when used in a cell, and there is an advantage that deviation between cells is also reduced. In addition, it is possible to contribute to the improvement of the cell performance because of excellent diffusion of the reactive gas and easy discharge of water.
When such a porous body is used as the gas diffusion layer, the fuel cell is completed by stacking together the cell component parts such as the membrane electrode assembly, the metal separator, and the gasket, as in the usual case.
At this time, the porous body was cut according to the size of the channel region in the metal separator, and then bonded to the metal separator by a micro spot welding method.
However, when the porous article is used, since the edge portion of the outer edge exists in a very sharp state after the cutting due to the characteristics of the material, there is a problem in terms of handling and workability due to a sharp outer shape at the time of cell stacking.
In addition, since it is provided as an independent part that is not integrated with peripheral parts, it is difficult to precisely arrange it in the channel region of the metal separator during the cell stacking, which makes it difficult to precisely stack the cells.
A related prior art document is Korean Patent Laid-Open Publication No. 10-2009-0098117 (published on September 17, 2009), which discloses a jig device of a bonding facility for a fuel cell stack separation plate.
SUMMARY OF THE INVENTION It is an object of the present invention to provide an alignment jig for fuel cell metal separator bonding capable of improving the micro spot welding alignment between the porous article and the metal separator plate.
To achieve the above object, according to a first aspect of the present invention, there is provided an alignment jig for bonding a fuel cell metal separator, comprising: a porous member seating plate having a porous member seating groove for seating a porous member; A jig bottom plate disposed below the porous article seating plate and supporting the porous article seating plate; A jig upper plate mounted on an upper portion spaced apart from the lower jig and vertically reciprocating with respect to the lower jig; A separator plate aligning member mounted on an edge of a long side of the porous article seating plate for aligning at least one or more metal separators stacked on the porous article for welding with the porous article; And an elastic member mounted on the edge between the porous member seating plate and the jig bottom plate and closely contacting the porous member to the metal separator plate when the jig bottom plate and the jig upper plate are in close contact with each other.
To achieve the above object, according to a second aspect of the present invention, there is provided an alignment jig for bonding a fuel cell metal separator plate, comprising: a porous member seating plate having a plate structure and having a porous member seating region; A jig bottom plate disposed below the porous article seating plate and supporting the porous article seating plate; A jig upper plate mounted on an upper portion spaced apart from the lower jig and vertically reciprocating with respect to the lower jig; A porous body aligning member mounted on an edge of the porous body seating region for aligning the porous body to be seated in the porous body seating region; A separator plate aligning member mounted on an edge of the porous article seating plate for aligning at least one or more metal separators stacked on the porous body for welding with the porous body; And an elastic member mounted inside the porous member seating plate and coupled to the porous member for aligning the porous member with the metal separating plate when the jig bottom plate and the jig upper plate are closely contacted with each other.
The alignment jig for bonding a fuel cell metal separator according to the present invention is characterized in that a porous body is inserted into a porous body seating groove and then at least one metal separator is stacked on the porous body in a predetermined position using a separator plate aligning unit, By aligning the porous body with the metal separating plate by the member, alignment degree for micro spot welding can be improved.
In addition, since the porous body is stably inserted into the porous body mounting groove having the same area as the porous body, the alignment jig for bonding the fuel cell metal separator plate according to the present invention not only improves handling and workability in cell stacking, It is possible to align the metal separator plate in position by the aligning unit, so that it becomes possible to stack the porous body in the cell stacking order so as to be precisely arranged in the channel region of the metal separator plate.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of an alignment jig for fuel cell metal separator bonding according to a first embodiment of the present invention; FIG.
2 is a cross-sectional view illustrating an alignment jig for fuel cell metal sheet splicing according to the first embodiment of the present invention.
3 is a plan view showing the porous body of FIG. 2;
FIG. 4 is a plan view of the metal separator of FIG. 2. FIG.
5 is a cross-sectional view illustrating an alignment jig for fuel cell metal sheet splicing according to a second embodiment of the present invention.
FIG. 6 is a plan view showing the porous article placing plate and the porous article aligning member of FIG. 5;
BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention, and how to accomplish them, will become apparent by reference to the embodiments described in detail below with reference to the accompanying drawings. It should be understood, however, that the invention is not limited to the disclosed embodiments, but may be embodied in many different forms and should not be construed as being limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. Is provided to fully convey the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an alignment jig for bonding a fuel cell metal separator according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.
FIG. 1 is a perspective view showing an aligning jig for joining a fuel cell metal separator according to a first embodiment of the present invention, FIG. 2 is a cross-sectional view showing an aligning jig for joining a fuel cell metal separator according to a first embodiment of the present invention, to be.
1 and 2, the
The porous
Fig. 3 is a plan view of the porous body of Fig. 2, which will be described in conjunction with Figs. 1 and 2. Fig.
1, 2, and 3, the porous member seating groove H has a groove shape in which a part of the center portion of the porous
In particular, it is preferable that the
The
The jig
The separator
Fig. 4 is a plan view of the metal separator of Fig. 2, which will be described in connection with Figs. 1 and 2. Fig.
1, 2, and 4, the
Accordingly, when the jig
Therefore, the
After the jig
More specifically, after the
The
The
At this time, the
The alignment jig for bonding the fuel cell metal separator according to the first embodiment of the present invention has a structure in which a porous body is inserted into a porous body mounting groove and then at least one metal plate is fixed It is possible to improve the alignment degree for micro spot welding by bringing the porous member into close contact with the metal separating plate by the elastic member.
In addition, since the porous body is stably inserted into the porous body mounting groove having the same area as the porous body, the alignment jig for bonding the fuel cell metal separator according to the first embodiment of the present invention can improve handling and workability in cell stacking In addition, since it is possible to align the metal separator plate in position by the separator plate aligning unit, it becomes possible to stack the porous body in the cell stacking order so as to be precisely aligned in the channel region of the metal separator plate.
FIG. 5 is a cross-sectional view illustrating an aligning jig for joining a fuel cell metal separator according to a second embodiment of the present invention, and FIG. 6 is a plan view of the porous member seating plate and the porous member aligning member of FIG.
5 and 6, the
The porous
In particular, it is preferable that the
The
The jig
The porous
Although not shown in the drawing, the porous
The separator
At this time, the
Accordingly, when the jig
The
Accordingly, when the jig
At this time, the
The alignment jig for bonding the fuel cell metal separator according to the second embodiment of the present invention may be configured such that the porous body is stably placed in the porous body seating region by the porous body aligning member, By aligning the porous body with the metal separating plate by the elastic member in the state where the metal separating plates are laminated in place, alignment degree for micro spot welding can be improved.
In addition, the alignment jig for bonding the fuel cell metal sheet according to the second embodiment of the present invention stably seats the porous body in the porous body seating region having the same area as the porous body, so that handling and workability in cell stacking can be improved In addition, since it is possible to align the metal separator plate in position by the separator plate aligning unit, it becomes possible to stack the porous body in the cell stacking order so as to be precisely aligned in the channel region of the metal separator plate.
Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims. These changes and modifications may be made without departing from the scope of the present invention. Accordingly, the scope of the present invention should be determined by the following claims.
100: alignment jig 110: porous article seating plate
120: jig bottom plate 130: jig top plate
140: separator plate alignment member 150: elastic member
H: porous article placing groove 10: porous article
20: metal separator plate
200: alignment jig 210: porous article seating plate
220: jig bottom plate 230: jig top plate
240: porous article aligning member 250: separating plate aligning member
260: elastic member 10: porous article
20: metal separator plate
Claims (9)
A jig bottom plate disposed below the porous article seating plate and supporting the porous article seating plate;
A jig upper plate mounted on an upper portion spaced apart from the lower jig and vertically reciprocating with respect to the lower jig;
A separator plate aligning member mounted on an edge of a long side of the porous article seating plate for aligning at least one or more metal separators stacked on the porous article for welding with the porous article; And
An elastic member mounted on an edge between the porous member seating plate and the jig bottom plate to closely contact the porous member with the metal separator plate when the jig bottom plate and the jig upper plate are in close contact with each other;
Wherein the fuel cell separator plate includes a plurality of fuel cells.
The porous article-
Wherein the porous sheet has a groove shape in which a part of the center portion of the porous sheet is removed, and has the same area as the porous sheet.
The porous article
And has an area equal to or corresponding to a channel area of the metal separator.
The metal separator plate
And a plurality of alignment holes for physically contacting the separation plate alignment member and for assisting alignment of the metal separation plate.
The plurality of alignment holes
Wherein the metal plate is disposed at a position corresponding to the separator plate aligning member, and a part of the metal separator plate is removed.
The elastic member
Wherein the fuel cell separator plate includes any one of a coil spring, a leaf spring, a torsion spring, and a compression spring.
A jig bottom plate disposed below the porous article seating plate and supporting the porous article seating plate;
A jig upper plate mounted on an upper portion spaced apart from the lower jig and vertically reciprocating with respect to the lower jig;
A porous body aligning member mounted on an edge of the porous body seating region for aligning the porous body to be seated in the porous body seating region;
A separator plate aligning member mounted on an edge of the porous article seating plate for aligning at least one or more metal separators stacked on the porous body for welding with the porous body; And
An elastic member mounted inside the porous member seating plate and coupled to the porous member aligning member and adapted to bring the porous member into close contact with the metal separating plate when the jig bottom plate and the jig upper plate are in close contact with each other;
Wherein the fuel cell separator plate includes a plurality of fuel cells.
The porous article seating area
Wherein the porous body has an area equal to or corresponding to the porous body.
The elastic member
Wherein the porous jig is mounted on a lower portion of the porous body aligning member and moves up and down in cooperation with the porous body aligning member when the jig bottom plate and the jig upper plate are closely contacted.
Priority Applications (1)
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KR1020150069955A KR101634042B1 (en) | 2015-05-19 | 2015-05-19 | Alignment jig for welding metal separator of fuel cell |
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KR1020150069955A KR101634042B1 (en) | 2015-05-19 | 2015-05-19 | Alignment jig for welding metal separator of fuel cell |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20200063094A (en) * | 2018-11-27 | 2020-06-04 | 주식회사 노바 | Welding apparatus of separator for fuel cell stack |
KR20200062643A (en) * | 2018-11-27 | 2020-06-04 | 주식회사 노바 | Welding apparatus of separator for fuel cell stack |
KR20220024288A (en) * | 2019-12-27 | 2022-03-03 | 주식회사 노바 | Welding apparatus of separator for fuel cell stack |
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KR20090033569A (en) * | 2007-10-01 | 2009-04-06 | 현대자동차주식회사 | Heat pressure-type jig for manufacturing 5-layer membrane |
JP2010146942A (en) * | 2008-12-22 | 2010-07-01 | Toyota Motor Corp | Fuel cell, manufacturing device for fuel cell, and manufacturing method for fuel cell |
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2015
- 2015-05-19 KR KR1020150069955A patent/KR101634042B1/en active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20090033569A (en) * | 2007-10-01 | 2009-04-06 | 현대자동차주식회사 | Heat pressure-type jig for manufacturing 5-layer membrane |
JP2010146942A (en) * | 2008-12-22 | 2010-07-01 | Toyota Motor Corp | Fuel cell, manufacturing device for fuel cell, and manufacturing method for fuel cell |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20200063094A (en) * | 2018-11-27 | 2020-06-04 | 주식회사 노바 | Welding apparatus of separator for fuel cell stack |
KR20200062643A (en) * | 2018-11-27 | 2020-06-04 | 주식회사 노바 | Welding apparatus of separator for fuel cell stack |
KR102121199B1 (en) * | 2018-11-27 | 2020-06-10 | 주식회사 노바 | Welding apparatus of separator for fuel cell stack |
KR102399273B1 (en) * | 2018-11-27 | 2022-05-19 | 주식회사 노바 | Welding apparatus of separator for fuel cell stack |
KR20220024288A (en) * | 2019-12-27 | 2022-03-03 | 주식회사 노바 | Welding apparatus of separator for fuel cell stack |
KR20220024289A (en) * | 2019-12-27 | 2022-03-03 | 주식회사 노바 | Welding apparatus of separator for fuel cell stack |
KR102628854B1 (en) * | 2019-12-27 | 2024-01-25 | 주식회사 노바 | Welding apparatus of separator for fuel cell stack |
KR102644988B1 (en) * | 2019-12-27 | 2024-03-07 | 주식회사 노바 | Welding apparatus of separator for fuel cell stack |
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