CN105572474B - A device for testing the contact resistance of a bipolar plate for a proton exchange membrane fuel cell - Google Patents
A device for testing the contact resistance of a bipolar plate for a proton exchange membrane fuel cell Download PDFInfo
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- CN105572474B CN105572474B CN201510925000.7A CN201510925000A CN105572474B CN 105572474 B CN105572474 B CN 105572474B CN 201510925000 A CN201510925000 A CN 201510925000A CN 105572474 B CN105572474 B CN 105572474B
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- Prior art keywords
- plate
- gold
- plated copper
- carbon paper
- fixed
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- 238000012360 testing method Methods 0.000 title claims abstract description 34
- 239000000446 fuel Substances 0.000 title claims abstract description 12
- 239000012528 membrane Substances 0.000 title claims abstract description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 48
- 229910052802 copper Inorganic materials 0.000 claims abstract description 48
- 239000010949 copper Substances 0.000 claims abstract description 48
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 19
- 238000009413 insulation Methods 0.000 claims description 34
- 239000004744 fabric Substances 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 6
- 239000004593 Epoxy Substances 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- 239000005340 laminated glass Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 5
- 238000005299 abrasion Methods 0.000 abstract 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 8
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000011532 electronic conductor Substances 0.000 description 3
- 241000784726 Lycaena thetis Species 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/20—Measuring earth resistance; Measuring contact resistance, e.g. of earth connections, e.g. plates
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fuel Cell (AREA)
Abstract
The invention discloses a device for testing the whole plate contact resistance of a bipolar plate for a proton exchange membrane fuel cell, which comprises a distributing body A, a distributing body B, an upper insulating plate, an upper gold-plated copper plate, carbon paper A, carbon paper B, a lower gold-plated copper plate, a lower insulating plate, a base, a small stop block and a positioning rod, wherein the distributing body A and the distributing body B are in square cones, and the upper insulating plate and the lower insulating plate are made of anisotropic materials. The invention can evenly transmit the force on the press machine to the surface of the bipolar plate to be tested and can be applied to various press machines. The invention has the advantages of accurate positioning, uniform stress, accurate measurement, small abrasion and long service life. The invention can measure the contact resistance of the whole bipolar plate, the state in the measuring process is closer to the state of the bipolar plate in the galvanic pile assembly, the flatness factor of each position and the contact state under stress can be well embodied, and the actual contact resistance of the bipolar plate can be better reflected.
Description
Technical field
The present invention relates to Proton Exchange Membrane Fuel Cells technical field more particularly to vehicle, ship, space industry proton exchanges
The test device of the battery pile bipolar plates contact resistance of film fuel battery system.
Background technique
One of key components and parts in Proton Exchange Membrane Fuel Cells metal double polar plates, surface is using at conductive coating
Reason, the quality of coating often plays certain restrictive function to the electromagnetic property of bipolar plates, and surface contacted resistance is to measure material
Expect the important parameter of electromagnetic performance.In present applications ' the tail must be taken, be fuel battery double plates carry out contact resistance test device be
General-purpose testing machine, constant-current source and perfect electronic conductor, test method is that perfect electronic conductor is fixed on general-purpose testing machine, by constant current
Source is connected on perfect electronic conductor, is applied relevant pressure according to different templates, and apply electric current on upper and lower electric conductor, is passed through reading
Voltage value and measurement area converse corresponding resistance.So measurement area has bigger shadow to the measurement of contact resistance
It rings.The contact situation of measurement area also directly affects measurement result when measuring simultaneously.
Existing contact resistance test device there are the problem of have: measurement area is small, and exerts a force centered on general-purpose testing machine, power
Transmitting unevenly cause measuring contact resistance precision not high, the versatility of equipment is also poor, can only test in fixation pressure
It is used on machine.And the resistance of small area test resistance and bipolar plates in practical pile assembling process be it is discrepant, it is actual double
There are the flatness problems of plate for pole plate, can not reflect practical situation from the measurement of some small area, survey in small area
During examination, selected measurement position is different, and the difference of the resistance reflected and the practical contact resistance of whole plate is different.
Summary of the invention
To solve the above problems existing in the prior art, it is bipolar will to design a kind of used in proton exchange membrane fuel cell by the present invention
Plate whole plate contact resistance test device can be useful on a variety of press machines and accurate.
To achieve the goals above, technical scheme is as follows: a kind of used in proton exchange membrane fuel cell bipolar plates
Whole plate contact resistance test device, including dispensing body A, dispensing body B, upper insulation plate, upper gold-plated copper sheet, carbon paper A, carbon paper B, lower plating
Golden copper sheet, lower insulation plate, pedestal, small block and locating rod, the dispensing body A are fixed on the top of dispensing body B by screw,
Wherein dispensing body A and dispensing body B is square cone, the lower section rectangle of dispensing body A and the upper section rectangle ruler of dispensing body B
Very little to match, dispensing body A thickness is not less than 17mm, and long side and bevel edge angle are not less than 45 °；Dispensing body B thickness is not less than 50mm,
Long side and bevel edge angle are not less than 17 °；The upper insulation plate is fixed on the lower section of dispensing body B by screw；The upper plating
Golden copper sheet is fixed on the lower section of upper insulation plate by screw, and has 4 location holes on upper gold-plated copper sheet, and is installed on lower insulation plate
Locating rod it is corresponding, upper gold-plated copper sheet center side is fixed with six square thread columns；The small block is fixed on by screw
On upper insulation plate；The carbon paper A is fixed on the lower section of upper gold-plated copper sheet by small block, and has 4 location holes on carbon paper A,
It is corresponding with 4 location holes on upper gold-plated copper sheet；Dispensing body A, dispensing body B, upper insulation plate, upper gold-plated copper sheet and the carbon
Paper A forms upper body；
The lower insulation plate is fixed on the top of pedestal by screw, and gold-plated copper sheet is fixed on by screw under described
The top of lower insulation plate, the positioning bar material are non-metal insulating material, and locating rod is fixed on lower insulation plate, described
Carbon paper B is placed in down above gold-plated copper sheet by locating rod, and the center side of gold-plated copper sheet is fixed with six square thread under described
Column；The carbon paper B, under gold-plated copper sheet, lower insulation plate and pedestal form sub-body.
The upper insulation plate and lower insulation plate is all made of anisotropic material.
Anisotropic material of the present invention is the epoxy resin of F882 epoxy glass cloth laminated board, glass fabric layer pressure type
Material or laminated glass cloth nylon material.
Compared with prior art, the invention has the following advantages:
1, the present invention is by the effect of dispensing body A and dispensing body B, will uniformly be assigned in center that general-purpose testing machine applies
On upper gold-plated copper sheet, by Simulation Analysis, the displacement difference of upper coated plate center and edge is 0.011798mm,
The displacement difference of lower coated plate center and edge is 0.01167757mm, and displacement deformation difference is controlled in metal double polar plates
Machining accuracy within the scope of, can satisfy metal double polar plates test flatness requirement；
2, due to insulation board of the present invention use anisotropic material, rigidity relative to isotropic material metal compared with
It is small to play the effect for keeping displacement deformation more uniform during the work time.
3, the present invention carries out resistance test using whole plate contact, the entire bipolar plate face of the area covering of upper and lower gold-plated copper sheet
Whole bipolar plates can be placed in measurement orientation zone and measure, closer to virtual condition of the bipolar plates in pile, whole plate by product
Upper contact condition of each position in actual loading all embodies well, more accurately reflects entire bipolar plates
Contact resistance value.
4, the present invention is furnished with dispensing body A and dispensing body B, and power concentrates on centre bit the effects of suitable for similar general-purpose testing machine
The press machine set, when the use of the press top boards such as similar dual-axle hydraulic press being rigid plane pressing plate, applied force is face applied force
When, dispensing body A and dispensing body B can be disassembled use.
5, in conclusion the power on press machine uniformly can be transmitted to bipolar plate surfaces to be measured by the present invention, and can
It is useful on a variety of press machines, such as small-sized general-purpose testing machine, large-scale general-purpose testing machine, hydraulic press.Present invention positioning
Precisely, uniform force, measurement is accurate, wears small, long service life.Most importantly the present invention can measure connecing for whole bipolar plates
Electric shock resistance, and the state of state and bipolar plates in pile assembling in measurement process is more close to the flatness of each position
Contact condition when factor and stress can embody well, preferably reflect the actual contact resistance of bipolar plates.
Detailed description of the invention
The present invention shares attached drawing 2 and opens, in which:
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the side view of Fig. 1.
In figure: 1, dispensing body A, 2, dispensing body B, 3, upper insulation plate, 4, upper gold-plated copper sheet, 5, carbon paper A, 6, carbon paper B, 7, under
Gold-plated copper sheet, 8, lower insulation plate, 9, pedestal, 10, small block, 11, locating rod, 12, six square thread columns.
Specific embodiment
The present invention is further described through with reference to the accompanying drawing.As shown in Figs. 1-2, a kind of pem fuel electricity
Pond bipolar plates whole plate contact resistance test device, including dispensing body A1, dispensing body B2, upper insulation plate 3, upper gold-plated copper sheet 4, carbon
Paper A5, carbon paper B6, under gold-plated copper sheet 7, lower insulation plate 8, pedestal 9, small block 10 and locating rod 11, the dispensing body A1 passes through
Screw is fixed on the top of dispensing body B2, and wherein dispensing body A1 and dispensing body B2 is square cone, and the lower section of dispensing body A1 is long
Rectangular to match with the upper section rectangle size of dispensing body B2, dispensing body A1 thickness is not less than 17mm, long side and bevel edge angle
Not less than 45 °；Dispensing body B2 thickness is not less than 50mm, and long side and bevel edge angle are not less than 17 °；The upper insulation plate 3 passes through
Screw is fixed on the lower section of dispensing body B2；The upper gold-plated copper sheet 4 is fixed on the lower section of upper insulation plate 3 by screw, and on
There are 4 location holes on gold-plated copper sheet 4, upper gold-plated copper sheet 4 center side corresponding with the locating rod 11 of lower insulation plate 8 is installed on
It is fixed with six square thread columns 12；The small block 10 is fixed on upper insulation plate 3 by screw；The carbon paper A5 passes through small
Block 10 is fixed on the lower section of gold-plated copper sheet 4, and has 4 location holes on carbon paper A5, with 4 positioning on upper gold-plated copper sheet 4
Hole is corresponding；Dispensing body A1, dispensing body B2, upper insulation plate 3, upper gold-plated copper sheet 4 and the carbon paper A5 forms upper body；
The lower insulation plate 8 is fixed on the top of pedestal 9 by screw, and gold-plated copper sheet 7 is solid by screw under described
Due to the top of lower insulation plate 8,11 material of locating rod is non-metal insulating material, and locating rod 11 is fixed on lower insulation plate
On 8, the carbon paper B6 is placed in down gold-plated 7 top of copper sheet, the center side of gold-plated copper sheet 7 under described by locating rod 11
It is fixed with six square thread columns 12；The carbon paper B6, under gold-plated copper sheet 7, lower insulation plate 8 and pedestal 9 form sub-body.
The upper insulation plate 3 and lower insulation plate 8 is all made of anisotropic material.
Anisotropic material of the present invention is the epoxy resin of F882 epoxy glass cloth laminated board, glass fabric layer pressure type
Material or laminated glass cloth nylon material.
Assembly method of the invention is as follows:
Dispensing body A1, dispensing body B2, upper insulation plate 3, upper gold-plated copper sheet 4 and carbon paper A5 are assemblied together in sequence,
It is fastened respectively with screw, small block 10 is fixed on upper insulation plate 3, effect is retaining element carbon paper A5.By six square thread columns
12 are fixed on gold-plated copper sheet 4, are used to external constant-current supply.This group is combined into upper body.
By carbon paper B6, under gold-plated copper sheet 7, lower insulation plate 8 and pedestal 9 be assemblied together in order, fastened respectively with screw；
Six square thread columns 12 are fixed on down on gold-plated copper sheet 7, is used to external constant-current supply, locating rod 11 is fixed on lower insulation plate 8
On.This group is combined into sub-body.
The effect of locating rod 11 is to avoid cooperation dislocation from causing measurement upper body and the accurate pairing of sub-body
Inaccuracy.
The effect of dispensing body A1 and dispensing body B2 be by the power on press machine by transition dispensing body be evenly dispersed to
It surveys in bipolar plates, guarantees the precision of measurement.This two parts is used mainly for the press machine of stress, if being used in twin axle liquid
Press or top board are that above 2 dispensing body can be removed use on the press machine of plane.
Test method of the invention is as follows:
When the present invention tests, the equipment such as press machine, computer and corresponding test program, constant-current source need to be cooperated to be used in conjunction with:
A, upper body and sub-body of the invention are separately fixed at behind the position of lower platen on adjustment press machine
On the upper lower platen of press machine.
B, components to be measured are placed on the carbon paper B6 on sub-body of the invention, ensures zero to be measured with locating rod 11
Part and relative position of the invention.
C, constant-current source in the present invention upper gold-plated copper sheet 4 and under the binding post of gold-plated copper sheet 7 connect, progress constant current
Load, test is to be loaded onto the current value set.
D, stopping when press machine top board is moved downward to upper body and sub-body distance of the invention close to 2mm.
E, press program is set, top board is slowly moved, terminating power is setting test pressure.
It after test force, displacement are reset, clicks " on-test ", carries out contact resistance test.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510925000.7A CN105572474B (en) | 2015-12-14 | 2015-12-14 | A device for testing the contact resistance of a bipolar plate for a proton exchange membrane fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510925000.7A CN105572474B (en) | 2015-12-14 | 2015-12-14 | A device for testing the contact resistance of a bipolar plate for a proton exchange membrane fuel cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105572474A CN105572474A (en) | 2016-05-11 |
| CN105572474B true CN105572474B (en) | 2018-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510925000.7A Active CN105572474B (en) | 2015-12-14 | 2015-12-14 | A device for testing the contact resistance of a bipolar plate for a proton exchange membrane fuel cell |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR102079134B1 (en) * | 2017-02-13 | 2020-02-19 | 주식회사 엘지화학 | Apparatus for examining quality of porous body and method for quality examination of porous body |
| CN110061270A (en) * | 2019-04-08 | 2019-07-26 | 嘉兴信普勒机电有限公司 | The non-destructive measuring method of fuel battery double plates and carbon paper interface contact resistance |
| CN110007151A (en) * | 2019-04-16 | 2019-07-12 | 苏州浪潮智能科技有限公司 | A kind of method and device of contact resistance between measurement different medium |
| CN115436711A (en) * | 2022-09-20 | 2022-12-06 | 苏州东风精冲工程有限公司 | An automatic leveling bipolar plate contact resistance detection method and device thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008027712A (en) * | 2006-07-20 | 2008-02-07 | Toyota Motor Corp | FUEL CELL MEMBRANE EVALUATION DEVICE, FUEL CELL MEMBRANE EVALUATION DEVICE MANUFACTURING METHOD, AND FUEL CELL CONTROL DEVICE |
| CN201540311U (en) * | 2009-11-04 | 2010-08-04 | 深圳市海太阳实业有限公司 | A jig for measuring internal resistance of a battery |
| CN101969131B (en) * | 2010-09-14 | 2012-09-19 | 江苏新源动力有限公司 | Single-cell assembly and test tool of fuel cell |
| CN103869164A (en) * | 2012-12-14 | 2014-06-18 | 核工业西南物理研究院 | Insulation resistance test device of ceramic coating under high pressure state |
| CN104597407A (en) * | 2015-01-07 | 2015-05-06 | 同济大学 | Test equipment and test method for partition zone impedance of dual-function fuel cell |
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| CN105572474A (en) | 2016-05-11 |
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Denomination of invention: A device for measuring the contact resistance of a bipolar plate for proton exchange membrane fuel cells Effective date of registration: 20231026 Granted publication date: 20181228 Pledgee: Industrial Bank Limited by Share Ltd. Dalian branch Pledgor: Sunrise Power Co.,Ltd. Registration number: Y2023980062978 |