CN107146904A - Fuel cell end plate combination, the combination of distant place end plate, sheet inlet combination and pile - Google Patents
Fuel cell end plate combination, the combination of distant place end plate, sheet inlet combination and pile Download PDFInfo
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- CN107146904A CN107146904A CN201710224533.1A CN201710224533A CN107146904A CN 107146904 A CN107146904 A CN 107146904A CN 201710224533 A CN201710224533 A CN 201710224533A CN 107146904 A CN107146904 A CN 107146904A
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- end plate
- plate
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- hole
- fuel cell
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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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2404—Processes or apparatus for grouping fuel cells
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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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2465—Details of groupings of fuel cells
-
- 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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2465—Details of groupings of fuel cells
- H01M8/247—Arrangements for tightening a stack, for accommodation of a stack in a tank or for assembling different tanks
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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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- 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 provides a kind of combination of fuel cell end plate, the combination of distant place end plate, sheet inlet combination and pile, the fuel cell end plate is combined, it includes end plate and collector plate, one surface of end plate is provided with current collection chamber corresponding with the shape of collector plate, collector plate is placed on current collection intracavitary, the inner peripheral surface at the edge of collector plate and current collection chamber fits, and the thickness of collector plate is more than the depth of current collection chamber.Fuel cell end plate combination, the combination of distant place end plate, sheet inlet combination and pile, eliminate the fluid through-hole of collector plate, make fluid without collector plate, it is to avoid corrosion of the fluid to collector plate, it is therefore prevented that murder by poisoning of the metal ion of collector plate to catalyst；Collector plate and end plate are combined into end plate combination, so as to solve the problems such as assembling is cumbersome, sealing is poor.
Description
Technical field
The present invention relates to a kind of combination of fuel cell end plate.
The invention further relates to a kind of combination of fuel cell distant place end plate.
The invention further relates to a kind of combination of fuel cell inlet end plate.
The invention further relates to a kind of fuel cell pile.
Background technology
Fuel cell is a kind of direct in the way of electrochemical reaction without combustion process by optimum fuel of hydrogen, is incited somebody to action
Chemical energy in fuel and oxidant is converted into the efficient energy conversion TRT of electric energy.It without overheated machine process, not by
The limitation of Carnot cycle, actual energy conversion efficiency is up to 50% to 80%.Proton Exchange Membrane Fuel Cells, is after basic fuel
The 5th grown up after battery, phosphoric acid type fuel cell, molten carbonate fuel cell and SOFC
Replacing fuel battery, it has, and operating temperature is relatively low, the startup time is short, power density is high, and load response is fast, electroless liquid is lost in etc.
Feature.
In order to ensure generated output, Proton Exchange Membrane Fuel Cells is generally configured to the structure type of pile.Pile is usual
By membrane electrode and the repeat unit of bipolar plates (including cooling unit), the flow field unipolar plate of both sides, the collector plate of both sides and both sides
End plate composition, above-mentioned part surrounding bolt pretightning force effect under constitute pile.Between bipolar plates and membrane electrode, film electricity
There is sealing structure between pole and flow field unipolar plate, collector plate needs correspondingly to open fluid through-hole according to the import and export of end plate, if
End plate is metallic plate, then also needs to increase insulation board between end plate and collector plate.Wherein, membrane electrode is the field of electrochemical reaction
Institute, bipolar plates are using high conductivity material and chute is machined with both sides, therefore, and bipolar plates, which have, distributes and convey the anti-of both sides
Gas is answered, the reacting gas of both sides is obstructed and collects the effect of the simultaneously electronics that conductive membranes electrode reaction is produced；Cooling unit is used
To discharge the used heat produced inside pile；Sealing structure ensures the cathode gas (air) and anodic gas (hydrogen) of pile simultaneously
Do not collaborated mutually to pile External leakage, also.
Existing proton exchange film fuel cell electric piling has following defect：
1) fluid through-hole generally is provided with the collector plate of proton exchange film fuel cell electric piling, fluid passes through on collector plate
Fluid through-hole enters each monocell, the plating leafing washed away for a long time on the fluid through-hole of metal collector plate, fluid through-hole due to fluid
Son can be washed away, and interior metal is corroded after revealing, therefore, and metal ion can largely be brought into fuel in collector plate
The negative electrode and anode catalyst layer of battery, so as to poison catalyst；
2) end plate of proton exchange film fuel cell electric piling generally also uses metal material, and fluid is equally provided with end plate and is led to
Hole, therefore, the metal ion in the fluid through-hole of end plate also can largely be brought into fuel cell catalyst layer；
3) collector plate and end plate of proton exchange film fuel cell electric piling all use metal material, it is therefore desirable at both
Between increase insulation board, this not only adds part, the separated structure of three can also increase sealed difficulty and assembling pile
Complexity；
4) in proton exchange film fuel cell electric piling, filled generally only between the nut and end plate lateral surface of screw rod both sides
There are spring or spring shim to ensure pile pretightning force, it is impossible to implement cushion effect protection；And due to pile be it is square (rather than
It is circular), therefore pretightning force can not be dispersed in monocell and bipolar plates at each point, this can cause pile sealing not
Contact between good and monocell active area each point and the flow field area each point of bipolar plates is uneven, and bipolar plates also can in addition
Because being destroyed by extra shearing force.
The content of the invention
The technical problems to be solved by the invention are generally to be provided with fluid in order to overcome on collector plate of the prior art and lead to
Metal ion can poison the defect of catalyst in hole, collector plate, and provide a kind of fuel cell end plate combination, distant place end plate group
Close, sheet inlet is combined and pile.
The present invention solves above-mentioned technical problem by the following technical programs：
The invention provides a kind of combination of fuel cell end plate, it includes end plate and collector plate, and a surface of end plate is provided with
Current collection chamber corresponding with the shape of collector plate, collector plate is placed on current collection intracavitary, the edge of collector plate and the inner peripheral surface of current collection chamber
Fit, the thickness of collector plate is more than the depth of current collection chamber.
It is preferred that the edge of collector plate has the end that is conductively connected of protrusion, the edge of current collection chamber has with being conductively connected end
Corresponding breach, is conductively connected the outside that end extend out to end plate from breach.
It is preferred that the thickness of collector plate and difference≤0.05mm of the depth of current collection chamber.
It is preferred that end plate is aluminium sheet, end plate is handled by surface anodization insulating process.
Present invention also offers a kind of combination of distant place end plate, the distant place end plate is combined as the fuel described in above-mentioned technical proposal
Cell end plate is combined.
It is preferred that end plate includes outside plate, inner panel and the spring array being clipped between outside plate, inner panel, spring array is by multiple
Spring arrangement is formed, and is connected with each other between outside plate, inner panel by position limiting structure, spring is compressed between outside plate, inner panel.
It is preferred that the one side of outside plate towards spring array has the position of the outer plate hole in outside plate hole array, outside plate hole array
Put has interior in inner panel hole array, inner panel hole array with the position of spring one-to-one corresponding, the one side of inner panel towards spring array
The position of plate hole and the position of spring are corresponded, and the two ends of spring are located in the outer plate hole of correspondence position, interior plate hole respectively, bullet
The entire length of spring is more than outer plate hole, the summation of the length of interior plate hole.
It is preferred that the load of the single spring in spring array is 100~1500Nm, point of the spring in spring array
Cloth quantity is per 2cm2~15cm2Region in place a spring.
It is preferred that the one side of outside plate towards spring array has depressed area, outside plate hole array is located in depressed area, inner plate surface
There is casting lug thereon to the one side of spring array, inner panel hole array is located on casting lug thereon, casting lug thereon is located in depressed area, casting lug thereon with
The shape of depressed area is adapted.
It is preferred that position limiting structure include being located on outside plate multiple screwed holes, through multiple connecting holes of inner panel and multiple
Connecting bolt, multiple screwed holes are located at outside plate towards the one side of spring array, connecting hole and screwed hole, the position pair of connecting bolt
Should, connecting bolt is threadedly coupled after passing through connecting hole with screwed hole.
It is preferred that connecting hole is counterbore, the head of connecting bolt is located in connecting hole.
It is preferred that multiple screwed holes, multiple connecting holes are located above and below spring array.
Present invention also offers a kind of combination of sheet inlet, the sheet inlet is combined as the fuel described in above-mentioned technical proposal
Cell end plate is combined.
It is preferred that end plate is provided with through multiple fluid passages of end plate, the turnover of fluid passage supplied gas or water, fluid
Passage is located above or below current collection chamber.
The invention provides a kind of fuel cell pile, it includes the combination of distant place end plate, fuel cell main body section, entrance point
Plate is combined, between the fixed combination of end plate a long way off of fuel cell main body section, sheet inlet combination, the current collection of distant place end plate combination
Plate, the collector plate of sheet inlet combination and fuel cell main body section fit.
It is preferred that the combination of distant place end plate, sheet inlet combination are mutually fixed by many insulation blanket studs.
It is preferred that the edge of the end plate of distant place end plate combination has multiple outwardly distal end connection bumps, Mei Geyuan
Connection bump is held to be provided with distal end connecting hole, the edge of the end plate of sheet inlet combination has multiple outwardly inlet side connections
Projection, each inlet side connection bump is provided with inlet side connecting hole, distal end connecting hole, inlet side connecting hole quantity is identical and position pair
Should, insulation blanket stud sequentially passes through the distal end connecting hole of correspondence position, inlet side connecting hole, and the two ends of insulation blanket stud are respectively provided with locking
Nut.
It is preferred that insulation blanket stud includes combine with distant place end plate, sheet inlet combines the interlude that is in contact and is located at
Between section two ends thread segment, insulating barrier is enclosed with the outer peripheral face of interlude, thread segment coordinates with lock nut screw thread.
It is preferred that the end plate of distant place end plate combination is provided with multiple remotely located holes run through, fuel cell main body section is provided with
Multiple body positioning holes through fuel cell main body section, the end plate of sheet inlet combination is provided with multiple inlet side positioning run through
Hole, remotely located hole, body positioning hole be identical with the quantity of inlet side positioning hole and position correspondence, correspondence position it is remotely located
The axis in hole, body positioning hole and inlet side positioning hole coincides.
On the basis of common sense in the field is met, above-mentioned each optimum condition can be combined, and produce each preferable reality of the present invention
Example.
The positive effect of the present invention is：
Fuel cell end plate combination, the combination of distant place end plate, sheet inlet combination and pile, eliminate the fluid of collector plate
Through hole, makes fluid without collector plate, it is to avoid corrosion of the fluid to collector plate, it is therefore prevented that the metal ion of collector plate is to catalysis
The murder by poisoning of agent；Collector plate and end plate are combined into end plate combination, so as to solve the problems such as assembling is cumbersome, sealing is poor.
Brief description of the drawings
Fig. 1 is the structural representation of fuel cell pile of the present invention.
Fig. 2 is the explosive view of the fuel cell pile shown in Fig. 1.
Fig. 3 is the structural representation of the distant place end plate combination of the fuel cell pile shown in Fig. 1.
Fig. 4 is the explosive view of the distant place end plate combination shown in Fig. 3.
Fig. 5 is the partial sectional view that the distant place end plate combination shown in Fig. 3 is splitted vertically at position limiting structure.
Fig. 6 is the structural representation of the inner panel of the distant place end plate combination shown in Fig. 3.
Fig. 7 is the structural representation of the sheet inlet combination of the fuel cell pile shown in Fig. 1.
Fig. 8 is the structural representation of the insulation blanket stud of the fuel cell pile shown in Fig. 1.
Description of reference numerals
Fuel cell end plate combination 100
End plate 1
Current collection chamber 11
Breach 12
Outside plate 13
Outer plate hole 131
Depressed area 132
Inner panel 14
Interior plate hole 141
Casting lug thereon 142
Spring array 15
Spring 151
Position limiting structure 16
Screwed hole 161
Connecting hole 162
Connecting bolt 163
Head 164
Fluid passage 17
Collector plate 2
It is conductively connected end 21
It is conductively connected hole 22
Distant place end plate combination 200
Distal end connection bump 201
Distal end connecting hole 202
Remotely located hole 203
Fuel cell main body section 300
Body positioning hole 301
Sheet inlet combination 400
Inlet side connection bump 401
Inlet side connecting hole 402
Inlet side positioning hole 403
Insulation blanket stud 500
Interlude 501
Thread segment 502
Lock nut 600
Embodiment
The present invention is further illustrated below by the mode of embodiment, but does not therefore limit the present invention to described reality
Apply among a scope.
As shown in Figures 1 to 8, the present invention provides a kind of fuel cell end plate combination 100, fuel cell end plate combination
100 as distant place end plate combination 200 or sheet inlet combination 400, the assembling available for fuel cell pile.
As shown in Fig. 3 to Fig. 7, fuel cell end plate combination 100, it includes end plate 1 and collector plate 2, a table of end plate 1
Face is provided with current collection chamber 11 corresponding with the shape of collector plate 2, and collector plate 2 is placed in current collection chamber 11, the edge and collection of collector plate 2
The inner peripheral surface of electric chamber 11 fits, and the thickness of collector plate 2 is more than the depth of current collection chamber 11.
Fluid through-hole is provided with the collector plate of traditional fuel cell pile, fluid is entered by the fluid through-hole on collector plate
Enter each monocell.Because the long-term wash fluid through hole of fluid corrodes to interior metal, a large amount of metal ions are brought into fuel
The negative electrode and anode catalyst layer of battery, so as to poison catalyst.And collector plate 2 is embedded into the inside of end plate 1 by the present invention, eliminate
Fluid through-hole on collector plate 2, it is therefore prevented that because caused by corroding collector plate 2 the problem of catalyst poisoning.
The thickness of collector plate 2 is more than the depth of current collection chamber 11, and collector plate 2 is slightly protruding to the outside of current collection chamber 11.This is fired
When expecting that cell end plate combination 100 is used for pile, collector plate 2 is fixedly clamped by fuel cell main body section 300 with end plate 1.
The thickness of collector plate 2 need to be more than the depth of current collection chamber 11, but collector plate 2 also should not be protruding to the outside of end plate 1 too
It is many, it is to avoid the problem of leak gas leakage is caused very much in space greatly.Therefore, the thickness of collector plate 2 and the difference of the depth of current collection chamber 11
Preferably in≤0.05mm.
As shown in Fig. 3 to Fig. 4, Fig. 7, the edge of collector plate 2 has what is protruded to be conductively connected end 21, the edge of current collection chamber 11
With with being conductively connected 21 corresponding breach 12 of end, the outside that end 21 extend out to end plate 1 from breach 12 is conductively connected.It is conductive
Collector plate 2 is connected by the centre of connection end 21 provided with hole 22 is conductively connected by being conductively connected hole 22 with external circuit.
Above-mentioned end plate 1 is preferably aluminium sheet, and end plate 1 is handled by surface anodization insulating process.Traditional fuel cell
Pile, because end plate and collector plate are all metal materials, will add insulation board, so as to cause pile knot between the two in order to insulate
Structure is complicated and fluid can also cause corrosion by end plate.And the present invention has carried out surface anodization insulating process to end plate 1
Processing, it is no longer necessary to set insulation board again between end plate 1, collector plate 2, structure simplifies, and installs more convenient, while insulation
Fluid is prevented to cause corrosion by end plate for a long time, it is to avoid fluid brings metal ion into and causes toxic action to catalyst.Wherein,
Each hole on the surface and end plate 1 of end plate 1 will preferably both pass through insulation processing.
It is as shown in Figures 3 to 6 a kind of embodiment of distant place end plate of the present invention combination 200.The end plate 1 has bullet
Spring array 15, it is ensured that pile pretightning force.This distal end of the end plate combination available for pile with spring array 15.This is at a distance
The concrete structure of end plate combination 200 is as follows.
End plate 1 includes outside plate 13, inner panel 14 and the spring array 15 being clipped between outside plate 13, inner panel 14, spring array 15
Arranged and formed by multiple springs 151, is connected with each other between outside plate 13, inner panel 14 by position limiting structure 16, spring 151 is compressed in
Between outside plate 13, inner panel 14.Spring array 15 to outside plate 13, inner panel 14 apply thrust, and position limiting structure 16 limit outside plate 13,
Maximum distance between inner panel 14.In the case where outside plate 13, inner panel 14 be not by external pressure, have between outside plate 13, inner panel 14
There is a certain distance.When outside plate 13, inner panel 14 are by external force, inner panel 14 can be moderately mobile to the direction of outside plate 13, spring 151
It is further compressed, makes end plate 1 under certain external force, buffer protection inside battery can be played a part of.Meanwhile, spring 151
All the time confined state is in, the end plate 1 of this structure is mounted to after pile, can remain certain pretightning force.
The concrete structure that spring array 15 is installed with outside plate 13, inner panel 14 is as shown in Figures 4 to 6.Outside plate 13 is towards spring
The one side of array 15 has a pair of the position 1 of the position of the outer plate hole 131 in outside plate hole array, outside plate hole array and spring 151
Should, the one side of inner panel 14 towards spring array 15 has position and the bullet of the interior plate hole 141 in inner panel hole array, inner panel hole array
The position of spring 151 is corresponded, and the two ends of spring 151 are located in the outer plate hole 131 of correspondence position, interior plate hole 141 respectively, spring
151 entire length is more than outer plate hole 131, the summation of the length of interior plate hole 141.
Spring 151 in the spring array 15 is evenly distributed between outside plate 13, inner panel 14, makes the whole stress of end plate 1 equal
Even, bipolar plates will not be destroyed by extra shearing force.Wherein, the load of spring 151 and distributed quantity be preferably
Scheme is：The load of single spring 151 in spring array 15 is the spring 151 in 100~1500Nm, spring array 15
Distributed quantity is per 2cm2~15cm2Region in place a spring 151.
As shown in Figures 4 to 6, the one side of outside plate 13 towards spring array 15 has depressed area 132, and outside plate hole array is located at
In depressed area 132, the one side of inner panel 14 towards spring array 15 has casting lug thereon 142, and inner panel hole array is located at casting lug thereon 142
On, casting lug thereon 142 is located in depressed area 132, and casting lug thereon 142 and the shape of depressed area 132 are adapted.Casting lug thereon 142 is located at recessed
Area 132 is fallen into, spring array 15 is embedded in the inside of end plate 1, so as to be pressed by several times when pile is assembled, sealing is improved
Property and make active region and flow field area uniform stressed.
A kind of concrete structure of position limiting structure 16 is as shown in Figure 5.Position limiting structure 16 includes the multiple spiral shells being located on outside plate 13
Pit 161, multiple connecting holes 162 and multiple connecting bolts 163 through inner panel 14, multiple screwed holes 161 are located at the face of outside plate 13
To the one side of spring array 15, connecting hole 162 is identical with the quantity of screwed hole 161 and position is corresponding, and connecting bolt 163, which is passed through, to be connected
Connect behind hole 162 and to be threadedly coupled with screwed hole 161.The inner peripheral surface of connecting hole 162 is smooth flat, and inner panel 14 can be in connecting bolt
Moved on 163.When end plate 1 is not by external force, spring 151 struts outside plate 13, inner panel 14, and the head 164 of connecting bolt 163
Inner panel 14 is blocked, the ultimate range between outside plate 13, inner panel 14 is limited.When end plate 1 is by external force, inner panel 14 again can be even
Moved on connecting bolt 163, spring 151 is further compressed, play a part of buffer protection inside battery.
In order to not influence the assembling of miscellaneous part, connecting hole 162 is designed as counterbore, and the head 164 of connecting bolt 163 is located at
In connecting hole 162.
Multiple screwed holes 161, multiple connecting holes 162 are located above and below spring array 15, make outside plate 13, inner panel 14
Overall uniform force.
It is illustrated in figure 7 a kind of embodiment of sheet inlet combination 400 of the present invention, sheet inlet combination 400
Import available for pile.End plate 1 is provided with through multiple fluid passages 17 of end plate 1, the supplied gas of fluid passage 17 or water
Turnover, fluid passage 17 is located above or below current collection chamber 11.As shown in Figure 1 and Figure 7, the quantity of fluid passage 17 is six
It is individual, wherein three fluid passages 17 are above, the respectively import of air, hydrogen and cooling water, the other three fluid passage 17
Positioned at lower section, respectively air, hydrogen and the outlet with cooling water.
As shown in Figure 1 to Figure 2, the present invention provides a kind of fuel cell pile, and it includes distant place end plate combination 200, fuel
Battery body section 300, sheet inlet combination 400, as shown in Figures 3 to 6, sheet inlet combination 400 is such as distant place end plate combination 200
Shown in Fig. 7, fuel cell main body section 300 is fixed a long way off between end plate combination 200, sheet inlet combination 400, distant place end plate group
200 collector plate 2, the collector plate 2 of sheet inlet combination 400 is closed to fit with fuel cell main body section 300.
Above-mentioned distant place end plate combination 200, sheet inlet combination 400 are mutually fixed by many insulation blanket studs 500.It is specific and
Speech, the edge of the end plate 1 of distant place end plate combination 200 has multiple outwardly distal end connection bumps 201, and each distal end is connected
Projection 201 is provided with distal end connecting hole 202, and the edge of the end plate 1 of sheet inlet combination 400 has multiple outwardly inlet sides
Connection bump 401, each inlet side connection bump 401 is provided with inlet side connecting hole 402, distal end connecting hole 202, inlet side connecting hole
402 quantity is identical and position is corresponding, and insulation blanket stud 500 sequentially passes through the distal end connecting hole 202 of correspondence position, inlet side connecting hole
402, the two ends of insulation blanket stud 500 are respectively provided with lock nut 600.Lock nut 600 will be at a distance from the two ends of insulation blanket stud 500
End plate combination 200, fuel cell main body section 300, sheet inlet combine 400 integral lockings.
Distal end connection bump 201, inlet side connection bump 401 are arranged circumferentially along end plate 1, pacify fuel cell pile
Overall uniform force after dress.
As shown in figure 8, insulation blanket stud 500 includes combine with distant place end plate 200, sheet inlet and combines 400 and be in contact
Between section 501 and the thread segment 502 positioned at the two ends of interlude 501, be enclosed with insulating barrier, thread segment on the outer peripheral face of interlude 501
502 coordinate with the screw thread of lock nut 600.Insulating barrier makes insulation blanket stud 500 combine 200, sheet inlet combination 400 with distant place end plate
Keep insulation.
As shown in Figures 1 to 8, the end plate 1 of distant place end plate combination 200 is provided with multiple remotely located holes 203 run through, fuel
Battery body section 300 is provided with multiple body positioning holes 301 through fuel cell main body section 300, the end of sheet inlet combination 400
Plate 1 is provided with multiple inlet side positioning holes 403 run through, the number in remotely located hole 203, body positioning hole 301 and inlet side positioning hole 403
Amount identical and position correspondence, the axis phase in the remotely located hole 203 of correspondence position, body positioning hole 301 and inlet side positioning hole 403
Overlap.
In installation process, locating rod is first sequentially passed through into remotely located hole 203, body positioning hole 301 and inlet side and positioned
Hole 403, fixes the relative position between distant place end plate combination 200, fuel cell main body section 300, sheet inlet combination 400.
Insulation blanket stud 500 is sequentially passed through into distal end connecting hole 202, inlet side connecting hole 402 again, finally filled at the two ends of insulation blanket stud 500
Upper lock nut 600, screws lock nut 600, makes distant place end plate combination 200, fuel cell main body section 300, sheet inlet group
400 are closed to be fixed.
The present invention is not limited to the above-described embodiments, no matter making any change in its shape or structure, all falls within this hair
Within bright protection domain.Protection scope of the present invention is defined by the appended claims, and those skilled in the art exists
On the premise of without departing substantially from principle and essence of the invention, various changes or modifications, but these can be made to these embodiments
Change and modification each fall within protection scope of the present invention.
Claims (19)
1. a kind of fuel cell end plate combines (100), it is characterised in that：It includes end plate (1) and collector plate (2), the end plate
(1) a surface is provided with current collection chamber (11) corresponding with the shape of the collector plate (2), and the collector plate (2) is placed on described
In current collection chamber (11), the edge of the collector plate (2) and the inner peripheral surface of the current collection chamber (11) fit, the collector plate (2)
Thickness be more than the current collection chamber (11) depth.
2. fuel cell end plate as claimed in claim 1 combines (100), it is characterised in that：The edge tool of the collector plate (2)
Have protrusion is conductively connected end (21), and the edge of the current collection chamber (11) has is conductively connected corresponding scarce in end (21) with described
Mouth (12), it is described to be conductively connected the outside that end (21) extend out to the end plate (1) from the breach (12).
3. fuel cell end plate as claimed in claim 1 combines (100), it is characterised in that：The thickness of the collector plate (2) with
Difference≤0.05mm of the depth of the current collection chamber (11).
4. fuel cell end plate as claimed in claim 1 combines (100), it is characterised in that：The end plate (1) is aluminium sheet, institute
End plate (1) is stated to handle by surface anodization insulating process.
5. a kind of distant place end plate combines (200), it is characterised in that：The distant place end plate combination (200) is appointed for Claims 1-4
Fuel cell end plate combination (100) described in one.
6. distant place end plate as claimed in claim 5 combines (200), it is characterised in that：The end plate (1) include outside plate (13),
Inner panel (14) and the spring array (15) being clipped between the outside plate (13), inner panel (14), the spring array (15) is by multiple
Spring (151) arrangement is formed, and is connected with each other between the outside plate (13), inner panel (14) by position limiting structure (16), the spring
(151) it is compressed between the outside plate (13), inner panel (14).
7. distant place end plate as claimed in claim 6 combines (200), it is characterised in that：The outside plate (13) is towards the spring
The one side of array (15) has the position of the outer plate hole (131) in outside plate hole array, the outside plate hole array and the spring
(151) position is corresponded, and the inner panel (14) has inner panel hole array towards the one side of the spring array (15), described
The position of interior plate hole (141) in inner panel hole array is corresponded with the position of the spring (151), the spring (151)
Two ends are located in the outer plate hole (131) of correspondence position, interior plate hole (141) respectively, and the entire length of the spring (151) is big
In the outer plate hole (131), the summation of the length of interior plate hole (141).
8. distant place end plate combination (200) as claimed in claims 6 or 7, it is characterised in that：List in the spring array (15)
The load of the individual spring (151) is 100~1500Nm, the distributed quantity of the spring (151) in the spring array (15)
For every 2cm2~15cm2Region in place a spring (151).
9. distant place end plate as claimed in claim 7 combines (200), it is characterised in that：The outside plate (13) is towards the spring
The one side of array (15) has depressed area (132), and the outside plate hole array is located in the depressed area (132), the inner panel
(14) one side towards the spring array (15) has casting lug thereon (142), and the inner panel hole array is located at the casting lug thereon
(142) on, the casting lug thereon (142) is located in the depressed area (132), the casting lug thereon (142) and the depressed area (132)
Shape be adapted.
10. distant place end plate as claimed in claim 6 combines (200), it is characterised in that：The position limiting structure (16) includes being located at
Multiple screwed holes (161) on the outside plate (13), multiple connecting holes (162) and multiple connection spiral shells through the inner panel (14)
Bolt (163), multiple screwed holes (161) are located at the outside plate (13) towards the one side of the spring array (15), the company
Connect that hole (162) is identical with the quantity of the screwed hole (161) and position correspondence, the connecting bolt (163) passes through the connection
Hole (162) is threadedly coupled with the screwed hole (161) afterwards.
11. distant place end plate as claimed in claim 10 combines (200), it is characterised in that：The connecting hole (162) is counterbore,
The head (164) of the connecting bolt (163) is located in the connecting hole (162).
12. distant place end plate as claimed in claim 10 combines (200), it is characterised in that：It is multiple screwed holes (161), many
The individual connecting hole (162) is located above and below the spring array (15).
13. a kind of sheet inlet combines (400), it is characterised in that：The sheet inlet combination (400) is appointed for Claims 1-4
Fuel cell end plate combination (100) described in one.
14. sheet inlet as claimed in claim 13 combines (400), it is characterised in that：The end plate (1), which is provided with, runs through institute
State multiple fluid passages (17) of end plate (1), the turnover of fluid passage (17) supplied gas or water, the fluid passage (17)
Above or below the current collection chamber (11).
15. a kind of fuel cell pile, it is characterised in that：It includes distant place end plate combination (200), fuel cell main body section
(300), sheet inlet combination (400), distant place end plate combination (200) as described in any one of claim 5 to 12, it is described enter
Mouth end plate combination (400) is as described in claim 13 or 14, and the fuel cell main body section (300) is fixed on the distant place end plate
Combine between (200), sheet inlet combination (400), collector plate (2), the sheet inlet of the distant place end plate combination (200)
The collector plate (2) and fuel cell main body section (300) for combining (400) fit.
16. fuel cell pile as claimed in claim 15, it is characterised in that：The distant place end plate combination (200), entrance point
Plate combination (400) is mutually fixed by many insulation blanket studs (500).
17. fuel cell pile as claimed in claim 16, it is characterised in that：The end plate of the distant place end plate combination (200)
(1) edge has multiple outwardly distal end connection bumps (201), and each distal end connection bump (201) is provided with
There are multiple outwardly inlet sides to connect at distal end connecting hole (202), the edge of the end plate (1) of the sheet inlet combination (400)
Connect raised (401), each inlet side connection bump (401) is provided with inlet side connecting hole (402), the distal end connecting hole
(202), the quantity of inlet side connecting hole (402) is identical and position is corresponding, and the insulation blanket stud (500) sequentially passes through correspondence position
The distal end connecting hole (202), inlet side connecting hole (402), the two ends of the insulation blanket stud (500) are respectively provided with lock nut
(600)。
18. fuel cell pile as claimed in claim 16, it is characterised in that：The insulation blanket stud (500) include with it is described
Interlude (501) that distant place end plate combination (200), sheet inlet combination (400) are in contact and positioned at the interlude (501) two
Insulating barrier, the thread segment (502) and locking screw are enclosed with the thread segment (502) at end, the outer peripheral face of the interlude (501)
Cap (600) screw thread coordinates.
19. fuel cell pile as claimed in claim 15, it is characterised in that：The end plate of the distant place end plate combination (200)
(1) multiple remotely located holes (203) run through are provided with, the fuel cell main body section (300) runs through the fuel provided with multiple
The body positioning hole (301) of battery body section (300), the end plate (1) of sheet inlet combination (400) runs through provided with multiple
Inlet side positioning hole (403), the quantity phase of the remotely located hole (203), body positioning hole (301) and inlet side positioning hole (403)
With and position correspondence, the remotely located hole (203) of correspondence position, body positioning hole (301) and inlet side positioning hole (403)
Axis coincides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710224533.1A CN107146904B (en) | 2017-04-07 | 2017-04-07 | Fuel cell end plate assembly, remote end plate assembly, inlet end plate assembly and electric pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710224533.1A CN107146904B (en) | 2017-04-07 | 2017-04-07 | Fuel cell end plate assembly, remote end plate assembly, inlet end plate assembly and electric pile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107146904A true CN107146904A (en) | 2017-09-08 |
| CN107146904B CN107146904B (en) | 2020-04-07 |
Family
ID=59774197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710224533.1A Active CN107146904B (en) | 2017-04-07 | 2017-04-07 | Fuel cell end plate assembly, remote end plate assembly, inlet end plate assembly and electric pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107146904B (en) |
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| JP2018147709A (en) * | 2017-03-06 | 2018-09-20 | 日本特殊陶業株式会社 | Electrochemical reaction structure |
| CN112768741A (en) * | 2021-04-08 | 2021-05-07 | 国家电投集团氢能科技发展有限公司 | Fuel cell |
| CN112864426A (en) * | 2020-12-31 | 2021-05-28 | 上海电气集团股份有限公司 | Fuel cell module, water leakage detection method thereof, and ventilation control method |
| CN112993368A (en) * | 2021-03-19 | 2021-06-18 | 国家电投集团氢能科技发展有限公司 | Fuel cell stack |
| CN113169341A (en) * | 2018-12-11 | 2021-07-23 | 松下知识产权经营株式会社 | Fuel cell module, fuel cell stack, and method for manufacturing fuel cell module |
| CN114864981A (en) * | 2022-05-17 | 2022-08-05 | 上海电气集团股份有限公司 | Fuel cell |
| CN114927740A (en) * | 2022-05-07 | 2022-08-19 | 佛山仙湖实验室 | Fuel cell stack and compression assembly method thereof |
| EP3921887B1 (en) | 2019-02-07 | 2023-11-22 | EH Group Engineering AG | Fuel cell stack with compression means |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2018147709A (en) * | 2017-03-06 | 2018-09-20 | 日本特殊陶業株式会社 | Electrochemical reaction structure |
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| CN112864426B (en) * | 2020-12-31 | 2022-05-20 | 上海电气集团股份有限公司 | Fuel cell module, water leakage detection method thereof, and ventilation control method |
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| CN112993368B (en) * | 2021-03-19 | 2022-02-01 | 国家电投集团氢能科技发展有限公司 | Fuel cell stack |
| CN112768741A (en) * | 2021-04-08 | 2021-05-07 | 国家电投集团氢能科技发展有限公司 | Fuel cell |
| CN114927740A (en) * | 2022-05-07 | 2022-08-19 | 佛山仙湖实验室 | Fuel cell stack and compression assembly method thereof |
| CN114927740B (en) * | 2022-05-07 | 2023-09-19 | 佛山仙湖实验室 | Fuel cell stack and compression assembly method thereof |
| CN114864981A (en) * | 2022-05-17 | 2022-08-05 | 上海电气集团股份有限公司 | Fuel cell |
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| CN107146904B (en) | 2020-04-07 |
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