CN101459255B - Package and installation method for integrated fuel cell pack - Google Patents
Package and installation method for integrated fuel cell pack Download PDFInfo
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- CN101459255B CN101459255B CN2007101723544A CN200710172354A CN101459255B CN 101459255 B CN101459255 B CN 101459255B CN 2007101723544 A CN2007101723544 A CN 2007101723544A CN 200710172354 A CN200710172354 A CN 200710172354A CN 101459255 B CN101459255 B CN 101459255B
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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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Abstract
The invention relates to a package for integrated fuel cell stacks and a mounting method thereof. The package includes an integrated fuel cell stack, a rear end plate, a central current collector and a packaging board, wherein steel bars with certain thickness are welded respectively near the rear end plate and the central current collector on the packaging board, the steel bars are provided with a plurality of screw holes, screws penetrating through the steel bars are screwed into internal threaded holes of the rear end plate and the central current collector, the internal threaded holes match with the screws, thereby fixing the integrated fuel cell stack, the front side and the rear side of the steel bars are provided with small folded edges opposite to each other, and the small folded edges are provided with screw holes for fixing the whole integrated fuel cell stack onto a car chassis or hanging on a mounting frame inside the car. Compared with the prior art, the invention has the advantages of firm structure, distortion resistance, convenient maintenance and disassembly and the like.
Description
Technical field
The present invention relates to the corollary equipment of fuel cell, relate in particular to a kind of encapsulation and installation method of integrated fuel cell pile.
Background technology
Electrochemical fuel cell is a kind of device that hydrogen and oxidant can be changed into electric energy and product.The internal core parts of this device are membrane electrode (Membrane Electrode Assembly are called for short MEA), and membrane electrode (MEA) is made up of as carbon paper a proton exchange membrane, two porous conductive materials of film two sides folder.The catalyst that contains the initiation electrochemical reaction of even tiny dispersion on two boundary faces of film and carbon paper is as the metal platinum catalyst.The membrane electrode both sides can electrochemistry will take place with conductive body to be sent out and answers the electronics that generates in the process, draws by external circuit, constitutes current circuit.
At the anode tap of membrane electrode, fuel can pass porousness diffusion material (carbon paper) by infiltration, and electrochemical reaction takes place on catalyst surface, lose electronics, form cation, cation can pass proton exchange membrane by migration, arrives the other end cathode terminal of membrane electrode.At the cathode terminal of membrane electrode, contain the gas of oxidant (as oxygen), as air, pass porousness diffusion material (carbon paper), and the generation electrochemical reaction obtains electronics on catalyst surface, forms anion by infiltration.The cation of coming in the anion and the anode tap migration of cathode terminal formation reacts, and forms product.
Adopting hydrogen is fuel, and the air that contains oxygen is in the Proton Exchange Membrane Fuel Cells of oxidant (or pure oxygen is an oxidant), and fuel hydrogen has just produced hydrogen cation (or being proton) in the catalytic electrochemical reaction of anode region.Proton exchange membrane helps the hydrogen cation to move to the cathodic region from the anode region.In addition, proton exchange membrane is separated the air-flow and the oxygen containing air-flow of hydrogen fuel, they can not mixed mutually and produces explosion type reaction.
In the cathodic region, oxygen obtains electronics on catalyst surface, forms anion, and moves the hydrogen cation reaction of coming, reaction of formation product water with the anode region.In the Proton Exchange Membrane Fuel Cells that adopts hydrogen, air (oxygen), anode reaction and cathode reaction can be expressed in order to following equation:
Anode reaction: H
2→ 2H
++ 2e
Cathode reaction: 1/2O
2+ 2H
++ 2e → H
2O
In typical Proton Exchange Membrane Fuel Cells, membrane electrode (MEA) generally all is placed in the middle of the pole plate of two conductions, and quarter is milled by die casting, punching press or machinery in the surface that every guide plate contacts with membrane electrode, and formation is the guiding gutter of one or more at least.These guide plates can above metal material pole plate, also can be the pole plate of graphite material.Fluid duct on these guide plates and guiding gutter import fuel and oxidant the anode region and the cathodic region on membrane electrode both sides respectively.In the structure of a Proton Exchange Membrane Fuel Cells monocell, only there is a membrane electrode, the membrane electrode both sides are respectively the baffler of anode fuel and the baffler of cathode oxidant.These bafflers are both as current collector plate, and also as the mechanical support on membrane electrode both sides, the guiding gutter on the baffler acts as a fuel again and enters the passage of anode, cathode surface with oxidant, and as the passage of taking away the water that generates in the fuel cell operation process.
In order to increase the gross power of whole Proton Exchange Membrane Fuel Cells, two or more monocells can be connected into battery pack or be unified into battery pack by the mode that tiles usually by straight folded mode.In straight folded, in-line battery pack, can there be guiding gutter on the two sides of a pole plate, and wherein one side can be used as the anode guide face of a membrane electrode, and another side can be used as the cathode diversion face of another adjacent membranes electrode, and this pole plate is called bipolar plates.A series of monocell connects together by certain way and forms a battery pack.Battery pack tightens together by front end-plate, end plate and pull bar usually and becomes one.
A typical battery stack generally includes: the water conservancy diversion import and the flow-guiding channel of (1) fuel and oxidant gas are distributed to fuel (hydrogen-rich gas that obtains as hydrogen, methyl alcohol or methyl alcohol, natural gas, gasoline) and oxidant (mainly being oxygen or air) in the guiding gutter of each anode, cathode plane equably after reforming; (2) import and export and the flow-guiding channel of cooling fluid (as water) are evenly distributed to cooling fluid in each battery pack inner cooling channel, and the heat absorption that hydrogen in the fuel cell, the exothermic reaction of oxygen electrochemistry are generated is also taken battery pack out of and dispelled the heat; (3) outlet of fuel and oxidant gas and corresponding flow-guiding channel, fuel gas and oxidant gas are when discharging, and portability goes out the liquid that generates in the fuel cell, the water of steam state.Usually, the import and export of all fuel, oxidant, cooling fluid are all opened on the end plate of fuel battery or on two end plates.
Proton Exchange Membrane Fuel Cells both can be used as the dynamical system of delivery vehicles such as car, ship, again can be as portable or fixed power station.
Fuel cell generation mainly supports operational system to form by fuel cell pack and battery pile.When being used as the dynamical system of delivery vehicles such as car, ship when fuel cell generation, fuel cell generation also is called fuel battery engines; But also can be used as movable type or stationary power generation station.
No matter above-mentioned fuel cell generation is as fuel battery engines or power station, fuel cell pack and battery pile support operational system all to need to carry out integrated, encapsulation and fixing, and reach dustproof, against shock as a kind of integrated design that meets the specific occasion purposes, waterproof, product requirement anticreep and attractive in appearance.Fig. 1 is a kind of commonplace fuel cell pile.
At present, two end plates before and after this more common fuel cell list heap generally has, and on the end plate of front and back, be equipped with at least two pull bars, these pull bar two ends are provided with fastening nut, and by reconciling fastener, the front and back end plate is compressed, thereby fuel cell pack is fastened on front and back end plate middle (as Fig. 1).
No matter this fuel cell generation done what and used, at the encapsulation of this more common fuel cell list heap be fairly simple fixedly.Fig. 2 is common encapsulation and the fixing means of this fuel cell list heap.This fixing means comprises:
1. four blocks of plates are arranged respectively, cover four planes of fuel cell pack respectively, and the front and back end plate, and align with the front and back end plate, and before and after respectively four blocks of plates being fastened on several screws on the two end plates.
2. four blocks of plates of encapsulation usefulness, before and after wherein having or about two (four little square block among Fig. 2, and band fixing hole) that four little square block extend out are arranged.
3. the fuel cell pack after will encapsulating passes above-mentioned four little square block by set bolt and is connected fastening with other mechanical components of certain applications.
As the application of car, ship power or power station powerful fuel cell generation aspect, requirement can be exported tens kilowatts, even the power of output hundreds of kilowatt.To powerful like this output requirement, the fuel cell pack and support operational system of corresponding high-power output must be arranged.
The fuel cell pack engineering design and the manufacturing of high-power output, analyze from technology and manufacturing cost aspect, generally can't adopt a huge high-power single heaping method that constitutes by the many blocks of positive plates of large active surface, integrate the method that reaches high-power output requirement by a plurality of middle low power fuel battery stack modules but adopt.The Shanghai supernatural power company extensive integral type fuel battery of assembling " a kind of can modularization " (patent of invention number: 03141840.6; Utility model patent number: 03255963.1) be exactly a kind of integral type fuel battery that integrates by many fuel battery stack modules.
The encapsulation of the above-mentioned large-scale integrated fuel cell pile that constitutes by many fuel battery stack modules with fixedly be to carry out according to present this encapsulation and fixing means small-sized, single fuel cell pack, main cause has:
1. the large-scale integrated fuel cell pile that is made of many fuel battery stack modules is often bulky, and weight is very heavy, the integrated fuel cell pile that above-mentioned traditional encapsulation and fixing means can't support this large volume and weight.
2. integrated fuel cell pile must have functions such as anti-vibration in encapsulation and after fixing, and above-mentioned traditional encapsulation and fixing means can't satisfy this requirement.
3. fuel cell pack is the weight maximum in the whole fuel cell system, is generally 1～300kg, and package board is usually thinner for conserve space, often only have 0.5～2mm thick.When fuel cell system was installed on the automobile chassis as engine, package board usually was directly installed on the chassis or is lifted on the car inner frame, and package board thickness and insufficient strength are difficult to bear the weight of right two battery pile, and be yielding.
Summary of the invention
Purpose of the present invention is exactly encapsulation and the installation method that the integrated fuel cell pile of a kind of sound construction, not yielding, maintenance and convenient disassembly is provided in order to overcome the defective that above-mentioned prior art exists.
Purpose of the present invention can be achieved through the following technical solutions: a kind of encapsulation of integrated fuel cell pile and installation method, comprise integrated fuel cell pile, end plate, central authorities' collector plate, package board, it is characterized in that, respectively welding certain thickness steel bar on the position near end plate and central collector plate on the package board, this steel bar is provided with several screws, screw pass steel bar and screw in end plate and central collector plate on be connected and fixed in the internal thread screw that is complementary with it, integrated fuel cell pile is fixed, the opposite baby hem of one direction is respectively arranged before and after the described steel bar, this baby hem is provided with screw, whole integrated fuel cell pile can be fixed on chassis or be lifted in the car on the installing rack.
Described central collector plate is provided with the corresponding screw of screw on the steel bar corresponding with it, and screw passes steel bar and shoots central collector plate from the below, and steel bar and central collector plate are fixed.
Described steel bar is arranged on the positive lower end of end plate, and this steel bar is provided with screw, and screw screws in screw from the below, and end plate is fixed.
Described steel bar is arranged on the left end or the right-hand member of end plate, and this steel bar is provided with screw, screw from the left side or the right screw in screw, end plate is withstood fixing.
Described encapsulation thickness of slab 1～5mm, the thick 2～10mm of described steel bar.
Screw on the described steel bar has 2～10.
Be provided with valve rubber between described package board and the steel bar.
Described fuel cell pack can be provided with two groups, four groups, six groups or eight groups according to the power needs, each is organized fuel cell pack and is arranged at central collector plate both sides respectively, each is organized the fuel cell pack other end relative with central collector plate and respectively establishes an end plate, and end plate, fuel cell pack and central collector plate are connected into integrated fuel cell pile.
Compared with prior art, the present invention welds on package board and strengthens steel bar, strengthened the intensity of package board, make it can bear heavier fuel cell pack, steel bar has on the chassis that baby hem can be installed in car or lifts, and has advantages such as sound construction, not yielding, maintenance and convenient disassembly.
Description of drawings
Fig. 1 is the schematic diagram of existing fuel cell pack;
Fig. 2 is existing fuel cell pack encapsulation and fixing schematic diagram;
Fig. 3 is the encapsulating structure schematic diagram of the embodiment of the invention 1 fuel cell pack;
Fig. 4 is the encapsulating structure schematic diagram of the embodiment of the invention 2 fuel cell packs.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
Embodiment 1
As shown in Figure 3, the encapsulation of 100KW integrated fuel cell pile and installation, comprise four groups of fuel battery stack module A, B, C, D, be arranged at central collector plate 1 both sides respectively, four groups of fuel battery stack module A, B, C, an end plate 2A is respectively established in the D rear end, 2B, 2C, 2D, carry out integrated encapsulation, this integrated fuel cell pile is about 900mm, wide about 900mm, high about 120mm, at end plate 2A, 2B, 2C, one steel bar 32 respectively is set on the position of 2D and central collector plate 1 correspondence, 31, steel bar 32,31 thicker 10mm are welded on the package board 4 of thinner thickness 1mm, and steel bar 31 on the package board 4, be provided with valve rubber 5 between 32.Central authorities collector plate 1 be provided with steel bar 31 on screw 311 corresponding 6 screws, screw passes steel bar 31 and shoots central collector plate 1 from the below, steel bar 31 and central collector plate 1 are fixed, respectively be provided with a screw 321 on the steel bar 32 before four end plate 2A, 2B, 2C, the 2D, screw screws in screw 321 from the top, withstand end plate 2A, 2B, 2C, 2D, end plate is fixed.Respectively there is the opposite baby hem of a direction 312,322 steel bar 31,32 front and back, and this baby hem 312,322 is provided with screw 313,323, can whole integrated fuel cell pile is fixed on chassis or be lifted in the car on the installing rack by bolt or other connectors.
Embodiment 2
As shown in Figure 4, a kind of 50KW integrated fuel cell pile, comprise fuel cell pack A, B, be arranged at central collector plate 1 both sides respectively, fuel cell pack A, be provided with end plate 2A behind the B, 2B, by the battery pile A of screw rod with fuel, B, central authorities' collector plate 1 and end plate 2A, 2B integrates, the long approximately 400mm of whole fuel cell pack, wide 400mm, high 100mm, at end plate 2A, on the position of the 2B outside and central collector plate 1 lower end correspondence a steel bar 32 is set respectively, 31, steel bar 32,31 thick 1mm are welded on the package board 4 of thick 5mm, central authorities' collector plate 1 be provided with steel bar 31 on screw 311 corresponding 8 screws, screw passes steel bar 31 and shoots central collector plate 1 from the below, steel bar 31 is fixing with central collector plate 1, end plate 2A, respectively be provided with a screw 321 on the steel bar 32 before the 2B, screw is respectively from end plate 2A, the 2B right and left screws in screw 321, withstands end plate 2A, 2B fixes end plate.Respectively there is the opposite baby hem of a direction 312,322 steel bar 31,32 front and back, and this baby hem 312,322 is provided with screw 313,323, can whole integrated fuel cell pile is fixed on chassis or be lifted in the car on the installing rack by bolt or other connectors.
Described fuel cell pack can be provided with two groups, four groups, six groups, eight groups etc. as required.
The thickness of steel bar 31,32 can be 1～10mm, and the screw on the steel bar 31,32 can be established 2～10.
Claims (7)
1. the method for packing of an integrated fuel cell pile, comprise integrated fuel cell pile, end plate, central authorities' collector plate, package board, it is characterized in that, respectively welding certain thickness steel bar on the position near end plate and central collector plate on the package board, this steel bar is provided with several screws, screw pass steel bar and screw in end plate and central collector plate on be connected and fixed in the internal thread screw that is complementary with it, integrated fuel cell pile is fixed, the opposite baby hem of one direction is respectively arranged before and after the described steel bar, this baby hem is provided with screw, whole integrated fuel cell pile can be fixed on chassis or be lifted in the car on the installing rack;
Described fuel cell pack can be provided with two groups, four groups, six groups or eight groups according to the power needs, each is organized fuel cell pack and is arranged at central collector plate both sides respectively, each is organized the fuel cell pack other end relative with central collector plate and respectively establishes an end plate, and end plate, fuel cell pack and central collector plate are connected into integrated fuel cell pile.
2. the method for packing of a kind of integrated fuel cell pile according to claim 1, it is characterized in that, described central collector plate is provided with the corresponding screw of screw on the steel bar corresponding with it, and screw passes steel bar and shoots central collector plate from the below, and steel bar and central collector plate are fixed.
3. the method for packing of a kind of integrated fuel cell pile according to claim 1 is characterized in that, described steel bar is arranged on the positive lower end of end plate, and this steel bar is provided with screw, and screw screws in screw from the below, and end plate is fixed.
4. the method for packing of a kind of integrated fuel cell pile according to claim 1 is characterized in that, described steel bar is arranged on the outside of end plate, and this steel bar is provided with screw, screw from the left side or the right screw in screw, end plate is withstood fixing.
5. the method for packing of a kind of integrated fuel cell pile according to claim 1 is characterized in that, described encapsulation thickness of slab 1～5mm, the thick 2～10mm of described steel bar.
6. the method for packing of a kind of integrated fuel cell pile according to claim 1 is characterized in that, the screw on the described steel bar has 2～10.
7. the method for packing of a kind of integrated fuel cell pile according to claim 1 is characterized in that, is provided with valve rubber between described package board and the steel bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101723544A CN101459255B (en) | 2007-12-14 | 2007-12-14 | Package and installation method for integrated fuel cell pack |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101723544A CN101459255B (en) | 2007-12-14 | 2007-12-14 | Package and installation method for integrated fuel cell pack |
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| Publication Number | Publication Date |
|---|---|
| CN101459255A CN101459255A (en) | 2009-06-17 |
| CN101459255B true CN101459255B (en) | 2011-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101723544A Active CN101459255B (en) | 2007-12-14 | 2007-12-14 | Package and installation method for integrated fuel cell pack |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20170126715A (en) * | 2016-05-10 | 2017-11-20 | 주식회사 미코 | Fuel cell stack structure |
| CN106410251B (en) * | 2016-11-02 | 2019-03-01 | 西安交通大学 | A kind of dismountable plate battery series-connected cell pile structure |
| CN108767305B (en) * | 2018-08-31 | 2024-01-09 | 大洋电机新动力科技有限公司 | Pile installing support and use its fuel cell |
| CN114122473B (en) * | 2021-11-25 | 2023-05-23 | 华能国际电力股份有限公司 | Method for assembling molten carbonate fuel cell |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1641918A (en) * | 2004-01-16 | 2005-07-20 | 上海神力科技有限公司 | Integrated fuel cell pile packaging and fastening device |
| CN201122631Y (en) * | 2007-12-14 | 2008-09-24 | 上海神力科技有限公司 | Steel bar fixing device |
-
2007
- 2007-12-14 CN CN2007101723544A patent/CN101459255B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1641918A (en) * | 2004-01-16 | 2005-07-20 | 上海神力科技有限公司 | Integrated fuel cell pile packaging and fastening device |
| CN201122631Y (en) * | 2007-12-14 | 2008-09-24 | 上海神力科技有限公司 | Steel bar fixing device |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2007-165286A 2007.06.28 |
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| CN101459255A (en) | 2009-06-17 |
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Owner name: STATE GRID SHANGHAI ELECTRIC POWER COMPANY Free format text: FORMER OWNER: SHANGHAI SHEN-LI HIGH TECH CO., LTD. Effective date: 20150104 Owner name: SHANGHAI SHEN-LI HIGH TECH CO., LTD. Effective date: 20150104 |
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Free format text: CORRECT: ADDRESS; FROM: 201401 FENGXIAN, SHANGHAI TO: 200002 HUANGPU, SHANGHAI |
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Effective date of registration: 20150104 Address after: 200002 Nanjing East Road, Shanghai, No. 181, No. Patentee after: State Grid Shanghai Municipal Electric Power Company Patentee after: Shanghai Shen-Li High Tech Co., Ltd. Address before: 201401 Fengxian District International Industrial Development Zone, Shanghai Yang Industrial Park, an international one of the 27 buildings Patentee before: Shanghai Shen-Li High Tech Co., Ltd. |