CN1312801C - Assembling structure of proton exchange film fuel cell - Google Patents
Assembling structure of proton exchange film fuel cell Download PDFInfo
- Publication number
- CN1312801C CN1312801C CNB2004100215207A CN200410021520A CN1312801C CN 1312801 C CN1312801 C CN 1312801C CN B2004100215207 A CNB2004100215207 A CN B2004100215207A CN 200410021520 A CN200410021520 A CN 200410021520A CN 1312801 C CN1312801 C CN 1312801C
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- Prior art keywords
- guiding rod
- position guiding
- plate
- board
- package assembly
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- 239000000446 fuel Substances 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000002093 peripheral effect Effects 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 11
- 239000012528 membrane Substances 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 229920000965 Duroplast Polymers 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000010936 titanium Substances 0.000 claims description 5
- 229910052719 titanium Inorganic materials 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000010923 batch production Methods 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 8
- 210000004027 cell Anatomy 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 4
- 239000012495 reaction gas Substances 0.000 description 4
- 239000012809 cooling fluid Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000007800 oxidant agent Substances 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000012536 packaging technology Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 240000000233 Melia azedarach Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
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Classifications
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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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- Fuel Cell (AREA)
Abstract
The present invention relates to the assembling technology of fuel batteries, particularly to an assembling structure of a fuel battery with a proton exchanging film, which uses the assembling structure combining an inner positioning structure and an outer positioning structure, wherein in the inner positioning structure, a flow collecting board, a double-pole board, an upper end board and a lower end board are correspondingly provided with inner positioning holes, and inner positioning rods are inserted into the inner positioning holes. The relative positions of the double-pole board and an electrode are determined by the inner positioning holes on the double-pole board and the electrode in the process of assembling a battery pack. In the outer positioning structure, the peripheries of the upper end board and the lower end board are connected by a position guiding rod, and are in a saw tooth shape, and the shape of the position guiding rod is matched with the peripheral shapes of the upper end board and the lower end board; the lower end board matched with the position guiding rod is fixed to the lower end of the position guiding rod, and the upper end board matched with the position guiding rod is connected with a baffle preventing the position guiding rod from horizontally moving. The assembling mode of the present invention has the advantages of simple processing, convenience, practicability, low cost and convenient batch production. The good contact of the electrode and the double-pole board can be ensured, and the seal of the battery pack can be realized.
Description
Technical field
The present invention relates to the fuel cell packaging technology, be specially the package assembly of a proton exchanging film fuel battery.
Background technology
Proton Exchange Membrane Fuel Cells (Proton Exchange Membrane of Fuel Cell, abbreviation: PEMFC) be a kind of Blast Furnace Top Gas Recovery Turbine Unit (TRT) that chemical energy in fuel and the oxidant is converted into electric energy by the electrocatalytic reaction on the electrode.It is made up of membrane electrode assembly (MEA) 3,5,7, bipolar plates 4,6, collector plate 2,8, end plate 1,9 and corresponding seal, because fuel cell single-unit operating voltage is generally between 0.5-1.0V, low like this voltage cannot use in practice, therefore just a plurality of single pond series connection must be assembled into battery pack and just be of practical significance.Most PEMFC battery pack are assembled by the filter press mode, as Fig. 1.
Concerning the PEMFC battery pack, the general gas circuit structure that respectively saves the big parallel connection in single pond that all adopts.Mainly in battery pack, respectively save single pond and send into fuel and oxidant by publicly-owned pipeline.Ridge conduction current by the flow field that contacts with electrode, therefore assembled battery group technology does not have the relativity shift position except guaranteeing battery pack sealing, MEA and bipolar plates position, will guarantee that also MEA and bipolar plates that battery pack respectively saves single pond have excellent contact, promptly contact resistance should be as much as possible little.Otherwise not only can reduce the output performance of battery, and can cause the public duct pressure loss to increase, can have a strong impact on the distribution of reaction gas between each single pond, so when the assembled battery group, location structure must be arranged.Locate mode has two kinds: interior location and outside fix.In the location be meant the locate mode that the structure of utilizing bipolar plates inside realizes; Outside fix is to utilize the structure of bipolar plates outside to realize the assembling mode of battery pack.
Adjacent with two collector plate is the battery pack end plate, also claims clamping plate, and except that being furnished with reaction gas and cooling fluid access way, the also uniform some circular holes of periphery when the assembled battery group, penetrate screw rod in the circular hole, apply certain assembling force to battery thereon.If two end plates metal such as stainless steel, the titanium plate, making such as superduralumin also need to add the insulation board by the engineering plastics preparation between collector plate and end plate.To adopting the battery pack in public duct, public duct is formed when battery pack is assembled by bipolar plates, MEA and seal.
Requirement according to packaging technology, when preparation bipolar plates (Fig. 2) and MEA (Fig. 3), all should be provided with location hole, when the assembled battery group, rely on the positioning action of detent mechanism, guarantee that each bipolar plates, MEA do not have relative displacement generation in the battery pack, form the public duct of and the distribution mobile of smoother for reaction gas.
U.S. Pat 2002110720 proposes a kind of assemble method, MEA is embedded between two bipolar plates, the MEA periphery is clipped in the groove of silicon rubber, when realizing sealing,, this single battery is assembled into battery pack as module by realization bipolar plates and interelectrode location under the thrust effect.But this patent do not mention the single battery module is assembled into the locate mode that battery pack is taked, and just emphasized the form that single battery is prepared into module is helped the assembling of battery pack.
Summary of the invention
The object of the present invention is to provide the package assembly of a proton exchanging film fuel battery, it is simple in structure, and is easy to process, is fit to very much the assembling of battery pack, practicability, convenience.
Technical scheme of the present invention is:
The package assembly of one proton exchanging film fuel battery, the package assembly that location and outside fix combine in adopting, interior location is collector plate and bipolar plates, end plate is provided with corresponding interior location hole up and down, interior backstay is inserted within it, in assembled battery group process, utilize interior location hole on bipolar plates and the electrode to determine relative position between them; Outside fix is that upper and lower end plate periphery connects by position guiding rod, upper and lower end plate peripheral shape is a zigzag, position guiding rod be shaped as the shape that matches with upper and lower end plate peripheral shape, bottom plate that cooperates with position guiding rod and position guiding rod lower end are fixed, and the upper head plate that cooperates with position guiding rod is connected with the plate washer that prevents that position guiding rod from moving horizontally.
Described position guiding rod quantity is the 3-6 root.
Described position guiding rod lower end has fixing hole, fixes by fixed lever, fixing hole and bottom plate.
Described position guiding rod material is selected big, the easy material processed of rigidity for use: 45
#Steel, stainless steel, titanium, superduralumin or duroplasts.
Described plate washer opening is and the corresponding shape of upper head plate.
The invention has the beneficial effects as follows:
1, the mode that location and outside fix combined in the present invention adopted realizes the assembling of battery pack, and this assembling mode has designed zigzag end plate, baffle plate and position guiding rod; The position guiding rod material is selected big, the easy material processed of rigidity for use, as 45# steel, stainless steel, titanium, superduralumin, duroplasts or the like.According to assembling mode of the present invention, processing is simple, convenient feasible, and cost is low, is convenient to produce in batches.
2, according to assembled battery group of the present invention, can guarantee between electrode and bipolar plates contact good.
3, according to the present invention according to assembled battery group of the present invention, can realize the sealing of battery pack.
Description of drawings
Fig. 1 is the package assembly schematic diagram of fuel cell in the prior art.
Fig. 2 is the structural representation of fuel battery double plates among Fig. 1.
Fig. 3 is the structural representation of fuel cell membrane electrode assembly among Fig. 1.
Fig. 4 is the package assembly schematic diagram of Proton Exchange Membrane Fuel Cells of the present invention.
Fig. 5 a is Fig. 4 sprocket bit bar structural representation.
Fig. 5 b is the A-A cutaway view of Fig. 5 a.
Fig. 6 a is a barrier structure schematic diagram among Fig. 4.
Fig. 6 b is the A-A cutaway view of Fig. 6 a.
Fig. 7 is the embodiment of the invention 1 a battery single-unit voltage output situation curve.
Fig. 8 is the embodiment of the invention 2 a battery single-unit voltages output situation curve.
Fig. 9 is the embodiment of the invention 3 a battery single-unit voltages output situation curve.
Embodiment
The package assembly of the battery pack that the present invention proposes is seen shown in Figure 4, on behalf of region representation, dotted line A-B-C-D be assembled into the contact range of collector plate, bipolar plates and the end plate of battery pack, E, E ' are meant interior location hole, in interior backstay is inserted in, in assembled battery group process, utilize interior location hole on bipolar plates and the electrode to determine relative position between them.Interior backstay is because diameter is very thin, generally between the 2-6 millimeter, main purpose is effectively to utilize area for what improve bipolar plates, and length is very long, generally between the 10-1000 millimeter, this depends on the joint number of bipolar plates thickness in the battery pack, electrode border thickness, seal thickness and battery, therefore its rigidity is relatively poor, so interior backstay is determined the relative displacement between electrode and pole plate just for the assembled battery group time, and in the process of exerting pressure, outside fix just plays a major role.
Outside fix is to utilize the outside of bipolar plates and end plate marginal texture to realize by position guiding rod 14, upper and lower end plate 10,13 shapes of the present invention are also seen (Fig. 4), and periphery is a zigzag, not only saves the space, alleviate the weight of end plate, also help fixedly position guiding rod 14.(shape that matches with the end plate peripheral shape among Fig. 5 a～b), material are selected the material of the big easy processing of rigidity, as 45 and the shape of position guiding rod 14 is processed into
#Steel, stainless steel, titanium, superduralumin, duroplasts etc.Quantity generally needs the 3-6 root, position guiding rod 14 lower ends and bottom plate 13 are fixed together by the fixing hole J on fixed lever 15 and the bottom plate, the upper end can (Fig. 6 a～b), movably bolt 11 and bolt hole G ', F ' link together with the upper head plate 10 of battery pack by baffle plate 12, after the battery pack of required joint number being installed according to the filter press form, the good contact between the sealing that also must guarantee battery pack and electrode and bipolar plates.
The seal request of battery pack is, the hermetically-sealed construction according to design under the effect of battery pack assembling force, reaches reaction gas, cooling fluid does not leak outside, and oxidant, fuel and cooling fluid are not scurried mutually.It is enough little that good between electrode and bipolar plates contacts the contact resistance that is meant between them, and promptly along with the increase of assembling force, contact resistance changes little.
Therefore sealing and the minimizing resistance for guaranteeing battery pack must apply certain assembling force.In real work, the size of assembling force mainly is to realize by the assembled height of controlling battery pack, can be as for the definite of final battery pack assembled height with reference to (clothing precious Lian academician write: the 248-250 page or leaf of " fuel cell---principle, technology, application " book, Chemical Industry Press).
In applying the process of assembling force, upper head plate 10, baffle plate 12, bolt 11 reach up and down, and collector plate, bipolar plates and the electrode between the end plate 10,13 moves along the end plate 13 that is directed downwards of vertical end plate together, and the displacement of parallel end plate direction can not take place, so just can guarantee the battery pack accuracy of gauge, both comprise overall dimension, comprised interior common-use tunnel again.
Embodiment 1
By the foregoing invention design, designed package assembly shown in Figure 4, position guiding rod and barrier material select 45
#Steel is assembled into 40 batteries groups.The sealing of battery pack with contact all rightly, the output situation of battery single-unit voltage is as shown in Figure 7.
By the foregoing invention design, designed package assembly shown in Figure 4, position guiding rod and barrier material are selected stainless steel, are assembled into 129 batteries groups.The sealing of battery pack with contact all rightly, the output situation of battery single-unit voltage is as shown in Figure 8.
By the foregoing invention design, designed package assembly shown in Figure 4, position guiding rod and barrier material are selected duroplasts, are assembled into 2 batteries groups.The sealing of battery pack with contact all rightly, the output situation of battery single-unit voltage is as shown in Figure 9.
Claims (5)
1, the package assembly of a proton exchanging film fuel battery, it is characterized in that: the package assembly that location and outside fix combine in adopting, interior location is collector plate and bipolar plates, end plate is provided with corresponding interior location hole up and down, interior backstay is inserted within it, in assembled battery group process, utilize interior location hole on bipolar plates and the electrode to determine relative position between them; Outside fix is that upper and lower end plate (10,13) periphery connects by position guiding rod (14), upper and lower end plate (10,13) peripheral shape is a zigzag, position guiding rod (14) be shaped as the shape that matches with upper and lower end plate (10,13) peripheral shape, the bottom plate (13) that cooperates with position guiding rod (14) is fixed with position guiding rod (14) lower end, and the upper head plate (10) that cooperates with position guiding rod (14) is connected with the plate washer (12) that prevents that position guiding rod (14) from moving horizontally.
2, according to the package assembly of the described Proton Exchange Membrane Fuel Cells of claim 1, it is characterized in that: described position guiding rod (14) quantity is the 3-6 root.
3, according to the package assembly of the described Proton Exchange Membrane Fuel Cells of claim 1, it is characterized in that: described position guiding rod (14) lower end has fixing hole, and is fixing by fixed lever (15), fixing hole and bottom plate (13).
4, according to the package assembly of the described Proton Exchange Membrane Fuel Cells of claim 1, it is characterized in that: described position guiding rod (14) material is selected big, the easy material processed of rigidity for use: 45
#Steel, stainless steel, titanium, superduralumin or duroplasts.
5, according to the package assembly of the described Proton Exchange Membrane Fuel Cells of claim 1, it is characterized in that: described plate washer (12) opening is and the corresponding shape of upper head plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100215207A CN1312801C (en) | 2004-07-21 | 2004-07-21 | Assembling structure of proton exchange film fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100215207A CN1312801C (en) | 2004-07-21 | 2004-07-21 | Assembling structure of proton exchange film fuel cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1725540A CN1725540A (en) | 2006-01-25 |
| CN1312801C true CN1312801C (en) | 2007-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100215207A Expired - Fee Related CN1312801C (en) | 2004-07-21 | 2004-07-21 | Assembling structure of proton exchange film fuel cell |
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| Country | Link |
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| CN (1) | CN1312801C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100386915C (en) * | 2006-03-10 | 2008-05-07 | 哈尔滨工业大学 | Series battery of single air chamber solid oxide fuel cell |
| US8168340B2 (en) * | 2007-11-07 | 2012-05-01 | GM Global Technology Operations LLC | Water removal features for PEMfc stack manifolds |
| CN111122331A (en) * | 2019-12-09 | 2020-05-08 | 一汽解放汽车有限公司 | Membrane electrode testing device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5037711A (en) * | 1989-03-03 | 1991-08-06 | Saft, S.A. | Assembly of accumulator cells juxtaposed to form a unit |
| US5789091A (en) * | 1996-11-19 | 1998-08-04 | Ballard Power Systems Inc. | Electrochemical fuel cell stack with compression bands |
| CN1218305A (en) * | 1997-11-24 | 1999-06-02 | 钟家轮 | External air-pocket style even pressure assembling method |
| CN1245981A (en) * | 1998-08-19 | 2000-03-01 | 松下电器产业株式会社 | Solid macromolecular electrolyte type fuel cell |
| US6040072A (en) * | 1997-11-19 | 2000-03-21 | Lynntech, Inc. | Apparatus and method for compressing a stack of electrochemical cells |
| JP2002246042A (en) * | 2001-02-15 | 2002-08-30 | Asia Pacific Fuel Cell Technology Ltd | Modulized single cell module comprising proton exchange membrane fuel cell, and assembled cell unit |
| CN1459885A (en) * | 2002-05-16 | 2003-12-03 | 台湾神户电池股份有限公司 | PEM fuel cell and method of changing PEM fuel cell film electrode set |
-
2004
- 2004-07-21 CN CNB2004100215207A patent/CN1312801C/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5037711A (en) * | 1989-03-03 | 1991-08-06 | Saft, S.A. | Assembly of accumulator cells juxtaposed to form a unit |
| US5789091A (en) * | 1996-11-19 | 1998-08-04 | Ballard Power Systems Inc. | Electrochemical fuel cell stack with compression bands |
| US5789091C1 (en) * | 1996-11-19 | 2001-02-27 | Ballard Power Systems | Electrochemical fuel cell stack with compression bands |
| US6040072A (en) * | 1997-11-19 | 2000-03-21 | Lynntech, Inc. | Apparatus and method for compressing a stack of electrochemical cells |
| CN1218305A (en) * | 1997-11-24 | 1999-06-02 | 钟家轮 | External air-pocket style even pressure assembling method |
| CN1245981A (en) * | 1998-08-19 | 2000-03-01 | 松下电器产业株式会社 | Solid macromolecular electrolyte type fuel cell |
| JP2002246042A (en) * | 2001-02-15 | 2002-08-30 | Asia Pacific Fuel Cell Technology Ltd | Modulized single cell module comprising proton exchange membrane fuel cell, and assembled cell unit |
| CN1459885A (en) * | 2002-05-16 | 2003-12-03 | 台湾神户电池股份有限公司 | PEM fuel cell and method of changing PEM fuel cell film electrode set |
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| Publication number | Publication date |
|---|---|
| CN1725540A (en) | 2006-01-25 |
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| C14 | Grant of patent or utility model | ||
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Owner name: XINYUAN POWER CO., LTD. Free format text: FORMER OWNER: DALIAN INST OF CHEMICOPHYSICS, CHINESE ACADEMY OF SCIENCES Effective date: 20071116 |
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Effective date of registration: 20071116 Address after: 116025 Liaoning city of Dalian province Qixianling torch hi tech Park Road No. 1 Building No. 401 Patentee after: Sunrise Power Co.,Ltd. Address before: 116023 No. 457, Zhongshan Road, Liaoning, Dalian Patentee before: Dalian Institute of Chemical Physics, Chinese Academy of Sciences |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20070425 |