CN101101997A - Fuel battery and its assembly method - Google Patents
Fuel battery and its assembly method Download PDFInfo
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- CN101101997A CN101101997A CNA200610098403XA CN200610098403A CN101101997A CN 101101997 A CN101101997 A CN 101101997A CN A200610098403X A CNA200610098403X A CN A200610098403XA CN 200610098403 A CN200610098403 A CN 200610098403A CN 101101997 A CN101101997 A CN 101101997A
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- China
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- fuel cell
- end plate
- bearing seat
- buckling component
- load bearing
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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
Abstract
The invention is concerned with the fuel cell that produces with buckle groupware. It is to burke the double terminal board with the burke piece averagely to generate the average compression rate of the fuel cell gas diffusion fold, which enhance the working performance of the batter and shorten the producing hours and the weight, volume of the battery. The producing method is to locate the average auto-pressing providing producing press on the each fold of the fuel battery group on the weight bearing seat and use the effect of the average pressing to avoid the uneven pressing between each fold and improve the productivity of the battery group.
Description
Technical field
The invention relates to a kind of fuel cell, refer in particular to a kind of being applicable to buckling component fuel battery assembled and assemble method thereof.
Background technology
Traditional fuel cell is made up of mea, flow-field plate, collector plate and end plate, mea, flow-field plate and collector plate intert to organize each other to be established, a plurality of screws around end plate, have been offered, fix fuel cell with end plate collocation bolt with method of clamping, utilize whole plane around end plate, to give certain moment of torsion, put on collector plate and flow-field plate with average pressure with bolt.
Yet the related known technology for fear of manually in regular turn storehouse distinguish sealed bolt again, cause uneven pressure, and then cause laminated displacement, cause not good, and the uneven defective of clamp pressure of each airtight effect of laminated, with assembling press 10 fuel cell stacked in assembled 100.By finding among Fig. 1, the briquetting 26 of known assembling press 10, by the slippage about in the of 20 of upright cylinder pressure, but that the automatic average pressing is placed in each of fuel cell 1 on the load bearing seat 24 is laminated, with the sealed bolt of artificial difference, reduce the not good or laminated displacement of each airtight effect of laminated again.But owing to apply fixing moment of torsion one by one when manually screwing togather and be not easy to control accurately, add the prolongation that causes man-hour easily, therefore use this fixed form easily because pressure applies inequality, also may cause compression ratio inequality in the fuel battery inside gas diffusion layers, make fuel cell produce excessive internal current impedance easily, make the task performance of fuel cell reduce.In addition, the size of nut and pad need be considered,, volume of fuel cell and weight will be increased on end plate, to reserve certain area in the mode of bolt clamping.Therefore the mode of above-mentioned bolt clamping is not very good in the application of fuel cell.
Summary of the invention
The object of the present invention is to provide a kind of fuel cell and assemble method thereof, can further avoid causing the uneven shortcoming of each pressure of laminated, to promote the usefulness of fuel battery.
For achieving the above object, fuel cell provided by the invention, include at least one mea, at least two flow-field plate, two collector plates, two end plates and at least two buckling components, each end plate includes an inner surface, reaches an outer surface, is folded with this at least one mea, this at least two flow-field plate and this two collector plate between this inner surface of this two end plate; Wherein:
Each buckling component includes a groove, reaches two stitching surfaces, this two stitching surface is divided into the opposite flank of this groove, and each other at a distance of a specific range, this at least two buckling component correspondence respectively is fastened on this two end plates outside, impel this two end plate to be located in this groove, this outer surface of this two end plate and correspondence are pressed on this two stitching surface and keep this specific range.
Described fuel cell, wherein this outer surface of each end plate comprises two relative edges, corresponding respectively this two relative edges outside that is fastened on this two end plate of this at least two buckling component.
Described fuel cell, wherein this outer surface of each end plate comprises two relative angles, corresponding respectively this two relative angles outside that is fastened on this two end plate of this at least two buckling component.
Described fuel cell, wherein this at least one mea includes two gas diffusion layers, and each gas diffusion layers has a specific compression rate, and this specific range by this at least two buckling component is to keep this specific compression rate.
Described fuel cell, wherein this specific compression rate is between 10%～20%.
The assemble method of fuel cell provided by the invention comprises:
(A) provide an assembling press and a fuel battery, this assembling press includes a cylinder pressure, reaches a load bearing seat, the bottom of this cylinder pressure is provided with a briquetting, this briquetting corresponding to load bearing seat, and relative to this load bearing seat do convergence or away from move, this fuel battery includes two end plates, and this two end plate is folded with at least one mea, at least two flow-field plate and two collector plates;
(B) this fuel battery is placed on the load bearing seat of this assembling press;
(C) drive this cylinder pressure to move this briquetting and then this load bearing seat of convergence, impel this briquetting pressing to be placed in this fuel battery on this load bearing seat;
(D) with corresponding respectively this two end plates outside that is fastened on this fuel battery of at least two buckling components, wherein, each buckling component includes a groove, and two stitching surfaces, and this two stitching surface is divided into the opposite flank of this groove, and each other at a distance of a specific range; And
(E) drive this cylinder pressure to move this briquetting and then away from this load bearing seat, to impel this two end plate to be located in this groove, this outer surface of this two end plate and correspondence are pressed on this two stitching surface and keep this specific range.
The assemble method of described fuel cell wherein also includes a step (F) and takes out this fuel cell after this step (E).
The assemble method of described fuel cell, wherein the outer surface of each end plate comprises two relative edges in this step (A), and corresponding respectively this two relative edges outside that is fastened on this two end plate of this at least two buckling component in this step (D).
The assemble method of described fuel cell, wherein the outer surface of each end plate comprises two relative angles in this step (A), and corresponding respectively this two relative angles outside that is fastened on this two end plate of this at least two buckling component in this step (D).
The assemble method of described fuel cell, wherein this at least one mea includes two gas diffusion layers in this step (A), each gas diffusion layers has a specific compression rate, and in this step (D) this specific range by this at least two buckling component to keep this specific compression rate.
In other words, fuel cell of the present invention is to include at least one mea, at least two flow-field plate, two collector plates, two end plates and at least two buckling components, and each end plate includes an inner surface, reaches an outer surface.Between the inner surface of two end plates, be folded with at least one mea, at least two flow-field plate and two collector plates.The invention is characterized at least two buckling components, wherein each buckling component includes a groove, reaches two stitching surfaces.Aforementioned two stitching surfaces are opposite flanks of being divided into groove, and each other at a distance of a specific range.And aforementioned at least two buckling components are that correspondence is fastened on the two end plates outside respectively, impel two end plates to be located in the groove, and the outer surface of two end plates and correspondence are pressed on two stitching surfaces and keep specific range.According to above-mentioned, the present invention fastens in the two end plates of fuel cell buckling component is arranged, utilize this buckling component on average to withhold this two end plates, can make that gas diffusion layers can have average compression ratio in the fuel cell, task performance with the performance fuel cell, and shorten and assemble man-hour, the fuel cell volume can be dwindled and weight saving again.
As mentioned above, in the fuel cell of the present invention, the outer surface of each end plate is to comprise two relative edges, and at least two buckling components are corresponding respectively outsides that are fastened on two relative edges of two end plates.
As mentioned above, in the fuel cell of the present invention, the outer surface of each end plate is to comprise two relative angles, and at least two buckling components are corresponding respectively outsides that are fastened on two relative angles of two end plates.
As mentioned above, in the fuel cell of the present invention, at least one mea is to include two gas diffusion layers, and each gas diffusion layers has a specific compression rate, two stitching surfaces by each buckling component are apart specific range each other, in order to do the specific compression rate that can keep gas diffusion layers between 0%～20%.
In addition, the assemble method of fuel cell of the present invention is to include an assembling press and a fuel battery is provided, this assembling press includes a cylinder pressure, reaches a load bearing seat, this cylinder pressure preferably can be the vertical type cylinder pressure, the bottom of this cylinder pressure is provided with a briquetting, its corresponding to load bearing seat, and relative to load bearing seat do convergence or away from move, this fuel battery includes two end plates, it is folded with at least one mea, at least two flow-field plate and two collector plates; Fuel battery is placed on the load bearing seat of assembling press; Drive this cylinder pressure and move this briquetting, impel the average pressing of this briquetting to be placed in fuel battery on this load bearing seat with this load bearing seat of convergence; With the corresponding respectively two end plates outside that is fastened on fuel battery of at least two buckling components, wherein, each buckling component includes a groove, and two stitching surfaces, and this two stitching surfaces system is divided into the opposite flank of this groove, and each other at a distance of a specific range; Drive this cylinder pressure and move this briquetting with away from this load bearing seat, impel this two end plate to be located in this groove, this outer surface of this two end plate and correspondence are pressed on this two stitching surface and keep this specific range; At last, take out fuel cell.By assemble method of the present invention, it is laminated to provide the automatic average pressing to be placed in each of fuel battery on the load bearing seat with the assembling press, utilize the effect of the average pressing of buckling component, can further avoid causing the uneven shortcoming of each pressure of laminated, to reach the usefulness that promotes fuel battery.
Description of drawings
Fig. 1 is the stereogram of known assembling press.
Fig. 2 is the fuel cell exploded view of a preferred embodiment of the present invention.
Fig. 3 is the fuel cell stereo figure of a preferred embodiment of the present invention.
Fig. 4 is the fuel cell end view of a preferred embodiment of the present invention.
Fig. 5 is the fuel cell stereo figure of another preferred embodiment of the present invention.
Fig. 6 is the flow chart of the another preferred embodiment of the present invention.
Embodiment
Below by particular specific embodiment explanation embodiments of the present invention, make those skilled in the art understand other advantage of the present invention and effect easily by the content that this specification disclosed.
Relevant fuel cell of the present invention 1 please refer to Fig. 2 and shown in Figure 3, and fuel battery 100 mainly is made up of a mea 2, two flow-field plate 3, two collector plates 4 and two end plates 5, and mea 2 mainly provides the core of fuel cell 1 reaction; Flow-field plate 3 mainly provides the conduction of reacting gas channel and electronics; Collector plate 4 mainly provides derives the electric power that battery produced, and uses to supply with external loading; In addition, end plate 5 mainly provides clamping all stacking and gas inlet and outlets, firm fuel cell 1.
In the structure of fuel cell of the present invention 1 shown in Figure 2, be folded with mea 2, two flow-field plate 3 and two collector plates 4 between two end plates, 5 inner surfaces 52 of fuel battery 100, and mea 2, two flow-field plate 3 and two collector plates 4 are to intert each other to organize to establish, and four relative edges 511 of end plate 5 outer surfaces 51,512,513,514 are buckled with buckling component 6 respectively, by corresponding respectively four relative edges 511 that are fastened on two end plates 5 of four buckling components 6,512,513,514 outsides are with quick assembling fuel cell 1.
In addition, by can finding among Fig. 2 that each buckling component 6 is to include a groove 61, and two stitching surfaces 62, it is the opposite flank that is divided into groove 61, and each other at a distance of a specific range D.
Yet fuel cell 1 is before buckling component 6 on the fastening, still need earlier each laminated with known assembling press 10 automatic average pressing fuel battery 100, again with each buckling component 6 respectively correspondence be fastened on two end plates, 5 outsides, so that two end plates 5 are located in the groove 61 of buckling component, the outer surface 51 of two end plates 5 and correspondence are pressed on two stitching surfaces 62 and keep specific range D.
The mea 2 of fuel battery 100 is to include two gas diffusion layers 21,22, and this gas diffusion layers 21 has a specific compression rate.Therefore, in the present embodiment two stitching surfaces 62 of each buckling component 6 each other apart specific range D be in order to keep 10%～20% required specific compression rate (present embodiment preferably is 10%～15% specific compression rate) of this gas diffusion layers 21.
Further with reference to figure 3, the width w that can find the buckling component 6 of fuel cell 1 of the present invention is the length of side that is slightly less than fuel cell 1 end plate 5 again, but is at least the length of side over half of this end plate 5.The width w of buckling component 6 also can be isometric with the length of side of fuel cell 1 end plate 5 in fact, even if whole fuel cell 1 bag abdomen is got up, so all pressures effect that causes also is fine.
Then, please refer to Fig. 4, is the end view of fuel cell 1 of the present invention shown in this figure.The thickness d of the buckling component 6 of present embodiment is half of thickness of fuel cell 1 end plate 5 as shown in Figure 4.The structural strength of buckling component 6 is with thickness d direct relation to be arranged, if but the too thick weight that will increase whole fuel cell 1, otherwise, then can influence the operating efficiency of fuel cell 1 because of insufficient strength makes buckling component 6 be out of shape.Therefore present embodiment is half thickness d as buckling component 6 with the thickness of end plate 5, can make this structure have intensity and light-weighted advantage concurrently.
In sum, the present invention is that two end plates 5 at fuel cell 1 fasten buckling piece 6 is arranged, utilize this buckling piece 6 on average to withhold two end plates 5, can make that gas diffusion layers 21 can have average compression ratio in the fuel cell 1, task performance with performance fuel cell 1, and shorten and assemble man-hour, again can be with fuel cell 1 volume-diminished and weight saving.
In addition, please refer to Fig. 5, it is the stereogram of another preferred embodiment of the present invention, by finding the unique and preferred embodiment difference of present embodiment among the figure, be with corresponding respectively four relative angles 815,816,817 that are fastened on fuel cell 1 two end plates 8 of four buckling components 7,818 outsides, it also can reach main purpose of the present invention.
At last, please refer to Fig. 6, it is the flow chart of another preferred embodiment of the present invention.Fig. 6 shows the detailed process of this assemble method, and wherein, assembling press 10 can be with reference to known Fig. 1, its structure and known identical and detailed description no longer, and fuel cell 1 can be with reference to figure 2.
The assemble method of fuel cell of the present invention comprises:
Step (A), an one assembling press 10 and a fuel battery 100 is provided, this assembling press 10 is to include load bearing seat 24, and upright cylinder pressure 20, this load bearing seat 24 is to put carrier, these upright cylinder pressure 20 bottoms are provided with a briquetting 26, these briquetting 26 corresponding load bearing seat slippages about in the of 24, on average to apply pressure on the carrier, this fuel battery 100 includes two end plates 5, the outer surface 51 of each end plate 5 comprises four relative edges 511,512,513,514, this two end plate 5 is folded with a mea 2, two flow-field plate 3, and two collector plates 4, wherein mea 2, two flow-field plate 3, with two collector plates 4 is to intert each other to organize to be located in the two end plates 5 of fuel battery 100.Aforementioned mea 2 is to include two gas diffusion layers 21,22, and each gas diffusion layers 21 has a specific compression rate.
Step (B) is placed in fuel battery 100 on the load bearing seat 24 of assembling press 10.
Step (C) drives the upright cylinder pressure 20 downward slippage briquettings 26 of assembling press 10, is placed in fuel battery 100 on the load bearing seat 24 with average pressing.
Step (D), with corresponding respectively four relative edges 511 that are fastened on two end plates 5 of fuel battery 100 of four buckling components 6,512,513,514 outsides, and each buckling component 6 is to include a groove 61, and two stitching surfaces 62, and this two stitching surface 62 is opposite flanks of being divided into groove 61, and each other at a distance of a specific range D, and it can be in order to keep 10%～20% required specific compression rate (present embodiment preferably is 10%～15% specific compression rate) of each gas diffusion layers 21.Wherein, the action of fastening is with the work fastening of buckling component 6 of people.
Step (E), the upright cylinder pressure 20 of driving assembling press 10 is slippage briquetting 26 upwards, impels two end plates 5 to be located in the groove 61 of buckling component 6, and the outer surface 51 of two end plates 5 and correspondence are pressed on two stitching surfaces 62 and keep specific range D.
Step (F) is taken out fuel cell 1, wherein is to take out with the fuel cell of manually assembling being finished 1.
Therefore, by assemble method of the present invention, it is laminated to provide the automatic average pressing to be placed in each of fuel battery 100 on the load bearing seat 24 with assembling press 10, utilize the effect of buckling component 6 average pressings, can further avoid causing the uneven shortcoming of each pressure of laminated, to reach the usefulness that promotes fuel cell 1.
In addition, please in the lump with reference to figure 5.A preferred embodiment again of the assemble method of fuel cell of the present invention, similar with another embodiment, only with another embodiment difference, be with corresponding respectively four relative angles 815 that are fastened on two end plates 8 of fuel battery 100 of four buckling components 7,816,817,818 outsides, it also can reach the purpose of the usefulness that promotes fuel cell 1.
The foregoing description is only given an example for convenience of description.Yet under not departing from spirit of the present invention, the technical staff of this technical field that the present invention belongs to can be understood easily by the content that this specification disclosed, and carries out various modifications and change.The interest field that the present invention advocated should be as the criterion so that claim is described certainly, but not only limits to the foregoing description.
Claims (10)
1, a kind of fuel cell, include at least one mea, at least two flow-field plate, two collector plates, two end plates and at least two buckling components, each end plate includes an inner surface, reaches an outer surface, be folded with this at least one mea, this at least two flow-field plate and this two collector plate between this inner surface of this two end plate, it is characterized in that:
Each buckling component includes a groove, reaches two stitching surfaces, this two stitching surface is divided into the opposite flank of this groove, and each other at a distance of a specific range, this at least two buckling component correspondence respectively is fastened on this two end plates outside, impel this two end plate to be located in this groove, this outer surface of this two end plate and correspondence are pressed on this two stitching surface and keep this specific range.
2, fuel cell as claimed in claim 1 is characterized in that: wherein this outer surface of each end plate comprises two relative edges, corresponding respectively this two relative edges outside that is fastened on this two end plate of this at least two buckling component.
3, fuel cell as claimed in claim 1 is characterized in that: wherein this outer surface of each end plate comprises two relative angles, corresponding respectively this two relative angles outside that is fastened on this two end plate of this at least two buckling component.
4, fuel cell as claimed in claim 1, it is characterized in that: wherein this at least one mea includes two gas diffusion layers, each gas diffusion layers has a specific compression rate, and this specific range by this at least two buckling component is to keep this specific compression rate.
5, fuel cell as claimed in claim 4 is characterized in that: wherein this specific compression rate is between 10%～20%.
6, a kind of assemble method of fuel cell comprises:
(A) provide an assembling press and a fuel battery, this assembling press includes a cylinder pressure, reaches a load bearing seat, the bottom of this cylinder pressure is provided with a briquetting, this briquetting corresponding to load bearing seat, and relative to this load bearing seat do convergence or away from move, this fuel battery includes two end plates, and this two end plate is folded with at least one mea, at least two flow-field plate and two collector plates;
(B) this fuel battery is placed on the load bearing seat of this assembling press;
(C) drive this cylinder pressure to move this briquetting and then this load bearing seat of convergence, impel this briquetting pressing to be placed in this fuel battery on this load bearing seat;
(D) with corresponding respectively this two end plates outside that is fastened on this fuel battery of at least two buckling components, wherein, each buckling component includes a groove, and two stitching surfaces, and this two stitching surface is divided into the opposite flank of this groove, and each other at a distance of a specific range; And
(E) drive this cylinder pressure to move this briquetting and then away from this load bearing seat, to impel this two end plate to be located in this groove, this outer surface of this two end plate and correspondence are pressed on this two stitching surface and keep this specific range.
7, as the assemble method of fuel cell as described in the claim 6, it is characterized in that: wherein also include a step (F) after this step (E) and take out this fuel cell.
8, as the assemble method of fuel cell as described in the claim 6, it is characterized in that: wherein the outer surface of each end plate comprises two relative edges in this step (A), and corresponding respectively this two relative edges outside that is fastened on this two end plate of this at least two buckling component in this step (D).
9, as the assemble method of fuel cell as described in the claim 6, it is characterized in that: wherein the outer surface of each end plate comprises two relative angles in this step (A), and corresponding respectively this two relative angles outside that is fastened on this two end plate of this at least two buckling component in this step (D).
10, as the assemble method of fuel cell as described in the claim 6, it is characterized in that: wherein this at least one mea includes two gas diffusion layers in this step (A), each gas diffusion layers has a specific compression rate, and in this step (D) this specific range by this at least two buckling component to keep this specific compression rate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200610098403XA CN101101997A (en) | 2006-07-05 | 2006-07-05 | Fuel battery and its assembly method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200610098403XA CN101101997A (en) | 2006-07-05 | 2006-07-05 | Fuel battery and its assembly method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101101997A true CN101101997A (en) | 2008-01-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200610098403XA Pending CN101101997A (en) | 2006-07-05 | 2006-07-05 | Fuel battery and its assembly method |
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| CN (1) | CN101101997A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102067357A (en) * | 2008-06-30 | 2011-05-18 | 株式会社Lg化学 | Battery module comprising rubber cooling manifold |
| CN102427144A (en) * | 2011-11-29 | 2012-04-25 | 上海交通大学 | Regenerative fuel cell apparatus and system thereof |
| US9184424B2 (en) | 2013-07-08 | 2015-11-10 | Lg Chem, Ltd. | Battery assembly |
| US9306199B2 (en) | 2012-08-16 | 2016-04-05 | Lg Chem, Ltd. | Battery module and method for assembling the battery module |
| US9755198B2 (en) | 2015-10-07 | 2017-09-05 | Lg Chem, Ltd. | Battery cell assembly |
| US9960465B2 (en) | 2015-07-30 | 2018-05-01 | Lg Chem, Ltd. | Battery pack |
| US10084218B2 (en) | 2014-05-09 | 2018-09-25 | Lg Chem, Ltd. | Battery pack and method of assembling the battery pack |
| US10770762B2 (en) | 2014-05-09 | 2020-09-08 | Lg Chem, Ltd. | Battery module and method of assembling the battery module |
-
2006
- 2006-07-05 CN CNA200610098403XA patent/CN101101997A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102067357A (en) * | 2008-06-30 | 2011-05-18 | 株式会社Lg化学 | Battery module comprising rubber cooling manifold |
| CN102067357B (en) * | 2008-06-30 | 2014-03-12 | 株式会社Lg化学 | Battery module comprising rubber cooling manifold |
| US9140501B2 (en) | 2008-06-30 | 2015-09-22 | Lg Chem, Ltd. | Battery module having a rubber cooling manifold |
| CN102427144A (en) * | 2011-11-29 | 2012-04-25 | 上海交通大学 | Regenerative fuel cell apparatus and system thereof |
| CN102427144B (en) * | 2011-11-29 | 2014-12-10 | 上海交通大学 | Regenerative fuel cell apparatus and system thereof |
| US9306199B2 (en) | 2012-08-16 | 2016-04-05 | Lg Chem, Ltd. | Battery module and method for assembling the battery module |
| US9184424B2 (en) | 2013-07-08 | 2015-11-10 | Lg Chem, Ltd. | Battery assembly |
| US10084218B2 (en) | 2014-05-09 | 2018-09-25 | Lg Chem, Ltd. | Battery pack and method of assembling the battery pack |
| US10770762B2 (en) | 2014-05-09 | 2020-09-08 | Lg Chem, Ltd. | Battery module and method of assembling the battery module |
| US9960465B2 (en) | 2015-07-30 | 2018-05-01 | Lg Chem, Ltd. | Battery pack |
| US9755198B2 (en) | 2015-10-07 | 2017-09-05 | Lg Chem, Ltd. | Battery cell assembly |
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Open date: 20080109 |