CN203760566U - Graphite flow field plate structure in fuel battery - Google Patents
Graphite flow field plate structure in fuel battery Download PDFInfo
- Publication number
- CN203760566U CN203760566U CN201420101080.5U CN201420101080U CN203760566U CN 203760566 U CN203760566 U CN 203760566U CN 201420101080 U CN201420101080 U CN 201420101080U CN 203760566 U CN203760566 U CN 203760566U
- Authority
- CN
- China
- Prior art keywords
- hole
- plate body
- graphite
- flow field
- hard
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 60
- 239000010439 graphite Substances 0.000 title claims abstract description 60
- 239000000446 fuel Substances 0.000 title claims abstract description 35
- 239000001257 hydrogen Substances 0.000 claims description 19
- 229910052739 hydrogen Inorganic materials 0.000 claims description 19
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 18
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 10
- 239000001301 oxygen Substances 0.000 claims description 10
- 229910052760 oxygen Inorganic materials 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Fuel Cell (AREA)
Abstract
The utility model relates to a graphite flow field plate structure in a fuel battery, which relates to the technical field of a fuel battery. The graphite flow field plate structure comprises a hard graphite plate body, wherein an upper through hole and a lower through hole are formed in the hard graphite plate body, the shape and the size of the upper through hole are identical to those of the lower through hole, the upper through hole is parallel to the lower through hole in the hard graphite plate body, a plurality of hydrogen-side flow grooves are formed in one side of the hard graphite plate body, and two ends of the hydrogen-side flow groove are respectively communicated with the upper through hole and the lower through hole; a plurality of oxygen-side flow grooves are formed in the other side of the hard graphite plate body between the upper through hole and the lower through hole, and two ends of each oxygen-side flow groove are respectively communicated with the exterior of the hard graphite plate body. When the graphite flow field plate is used for assembling a fuel battery electrode pile, the phenomenon of the gas leakage of the hydrogen-side flow groove can be avoided; moreover, the fuel battery electrode pile is simple to assemble, the assembling material is saved, and the weight and the production cost of the fuel battery electrode pile can be reduced.
Description
Technical field:
The utility model relates to fuel cell technology field, more specifically to the graphite flow field plate structure in a kind of fuel cell.
Background technology:
CN201243056Y discloses the graphite flow field plate structure in a kind of fuel cell, as shown in Figure 1, and the upper moulding aerobic effluent groove A2 of the plate body A1 of its graphite flow field plates and hydrogen effluent groove A3, the whole plate body A1 of hydrogen effluent groove A3 through-flow.As shown in Figure 2, in the time that several graphite flow field plates are stacked together composition fuel cell electrode heap, several graphite flow field plates that are stacked together are to be fixed together by left plate A4, right plate A5, top board A6 and base plate A7.Its weak point is: due to the whole plate body A1 of hydrogen effluent groove A3 through-flow, in order to make hydrogen pass through hydrogen effluent groove A3, must be in the time that graphite flow field plates forms fuel cell electrode heap, adopt top board A6 and base plate A7 and left plate A4 and right plate A5 to fix several graphite flow field plates, together with top board A6 is adhesively fixed with plate body A1 with base plate A7 simultaneously, when fuel cell electrode heap used after a period of time, the glue of bonding top board A6 and base plate A7 easily comes off, cause like this hydrogen effluent groove A3 gas leakage, affect the useful life of fuel cell electrode heap.
Utility model content:
The purpose of this utility model is exactly the deficiency for prior art, and provide the graphite flow field plate structure in a kind of fuel cell, when it is assembled into fuel cell electrode heap, can not produce hydrogen effluent groove gas leak phenomenon, and the assembling of fuel cell electrode heap is more simple, save assembled material, reduced weight and the production cost of fuel cell electrode heap.
Technology solution of the present utility model is as follows:
Graphite flow field plate structure in fuel cell, comprise hard graphite plate body, on hard graphite plate body, form through hole and lower through-hole, upper through hole and lower through-hole shape are identical with size and arrange in hard graphite plate body opposing parallel, in a side of hard graphite plate body, form several hydrogen effluent grooves, two ends of hydrogen effluent groove communicate with upper through hole and lower through-hole respectively;
On the opposite side of the hard graphite plate body between upper through hole and lower through-hole, form several oxygen effluent grooves, two ends of oxygen effluent groove respectively with the exterior of hard graphite plate body.
Described upper through hole and lower through-hole are mounting hole.
The groove width of described hydrogen effluent groove is 1～1.5mm, and groove depth is 0.3～0.6mm.
The groove width of described oxygen effluent groove is 1～1.5mm, and groove depth is 0.8～1.8mm.
The thickness of described hard graphite plate body is 2～3mm.
On described hard graphite plate body, form top bar projection and the projection of getting out of a predicament or an embarrassing situation, the projection of topping bar and the projection of getting out of a predicament or an embarrassing situation are symmetry shape and are molded on hard graphite plate body.
The beneficial effects of the utility model are:
When it is assembled into fuel cell electrode heap, can not produce hydrogen effluent groove gas leak phenomenon, and the assembling of fuel cell electrode heap is more simple, has saved assembled material, has reduced weight and the production cost of fuel cell electrode heap.
Brief description of the drawings:
Fig. 1 is the schematic perspective view of prior art;
Fig. 2 is that in prior art, graphite flow field plates is assembled into the structural representation after fuel cell electrode heap;
Fig. 3 is the front view of embodiment 1;
Fig. 4 is the rearview of embodiment 1;
Fig. 5 is the schematic perspective view of embodiment 1;
Fig. 6 is that in embodiment 1, graphite flow field plates is assembled into the structural representation after fuel cell electrode heap;
Fig. 7 is the structural representation of embodiment 2;
Fig. 8 is that in embodiment 2, graphite flow field plates is assembled into the structural representation after fuel cell electrode heap.
In figure: 1, hard graphite plate body; 2, hydrogen effluent groove; 3, upper through hole; 4, lower through-hole; 5, oxygen effluent groove; 6, the projection of topping bar; 7, the projection of getting out of a predicament or an embarrassing situation; 8, left side fixed head; 9, right side fixed head; 10, bolt.
Embodiment:
Embodiment 1: see shown in Fig. 3 to 6, graphite flow field plate structure in fuel cell, comprise hard graphite plate body 1, on hard graphite plate body 1, form through hole 3 and lower through-hole 4, upper through hole 3 and lower through-hole 4 shapes are identical with size and arrange in hard graphite plate body 1 opposing parallel, in a side of hard graphite plate body 1, form several hydrogen effluent grooves 2, two ends of hydrogen effluent groove 3 communicate with upper through hole 3 and lower through-hole 4 respectively;
On the opposite side of the hard graphite plate body 1 between upper through hole 3 and lower through-hole 4, form several oxygen effluent grooves 5, two ends of oxygen effluent groove 5 respectively with the exterior of hard graphite plate body 1.
Described upper through hole 3 and lower through-hole 4 are mounting hole.
The groove width of described hydrogen effluent groove 3 is 1～1.5mm, and groove depth is 0.3～0.6mm.
The groove width of described oxygen effluent groove 5 is 1～1.5mm, and groove depth is 0.8～1.8mm.
The thickness of described hard graphite plate body 1 is 2～3mm.
Embodiment 2, as shown in Figure 7, forms top bar projection 6 and the projection 7 of getting out of a predicament or an embarrassing situation on described hard graphite plate body 1, the projection 6 of topping bar and the projection 7 of getting out of a predicament or an embarrassing situation are symmetry shape and are molded on hard graphite plate body 1.
Embodiment 1 operation principle: as shown in Figure 6, when in embodiment 1, graphite flow field plates is assembled into fuel cell electrode heap, several the utility model are stacked together, then by left side fixed head 8 and right side fixed head 9, the utility model in several embodiment 1 is clamped together, left side fixed head 8 and right side fixed head 9 are fixed together by bolt 10.The utility model in embodiment 1, in the time being assembled into fuel cell electrode heap, just can save top board A6 of the prior art and base plate A7 like this, connects so need not stick with glue, and so just can not produce hydrogen effluent groove gas leak phenomenon.
The operation principle of embodiment 2: as shown in Figure 8, the utility model in several embodiment 2 is stacked together, left side fixed head 8 and right side fixed head 9 are clamped together the utility model in several embodiment 2, bolt 10 is fixed together left side fixed head 8 and right side fixed head 9, bolt 10 can be placed on the step that top bar projection 6 and the projection 7 of getting out of a predicament or an embarrassing situation form with hard graphite plate body 1, can make like this stability of fuel cell electrode heap better.
Claims (6)
1. the graphite flow field plate structure in fuel cell, comprise hard graphite plate body (1), it is characterized in that: on hard graphite plate body (1), form upper through hole (3) and lower through-hole (4), upper through hole (3) and lower through-hole (4) shape are identical with size and arrange in hard graphite plate body (1) opposing parallel, in a side of hard graphite plate body (1), form several hydrogen effluent grooves (2), two ends of hydrogen effluent groove (3) communicate with upper through hole (3) and lower through-hole (4) respectively;
On the opposite side of the hard graphite plate body (1) between upper through hole (3) and lower through-hole (4), form several oxygen effluent grooves (5), two ends of oxygen effluent groove (5) respectively with the exterior of hard graphite plate body (1).
2. the graphite flow field plate structure in fuel cell according to claim 1, is characterized in that: upper through hole (3) and lower through-hole (4) are mounting hole.
3. the graphite flow field plate structure in fuel cell according to claim 1, is characterized in that: the groove width of hydrogen effluent groove (3) is 1～1.5mm, and groove depth is 0.3～0.6mm.
4. the graphite flow field plate structure in fuel cell according to claim 1, is characterized in that: the groove width of oxygen effluent groove (5) is 1～1.5mm, and groove depth is 0.8～1.8mm.
5. the graphite flow field plate structure in fuel cell according to claim 1, is characterized in that: the thickness of hard graphite plate body (1) is 2～3mm.
6. the graphite flow field plate structure in fuel cell according to claim 1, it is characterized in that: on hard graphite plate body (1), form the projection of topping bar (6) and the projection of getting out of a predicament or an embarrassing situation (7), the projection of topping bar (6) and the projection of getting out of a predicament or an embarrassing situation (7) are symmetry shape and are molded on hard graphite plate body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420101080.5U CN203760566U (en) | 2014-03-07 | 2014-03-07 | Graphite flow field plate structure in fuel battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420101080.5U CN203760566U (en) | 2014-03-07 | 2014-03-07 | Graphite flow field plate structure in fuel battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203760566U true CN203760566U (en) | 2014-08-06 |
Family
ID=51255804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420101080.5U Expired - Fee Related CN203760566U (en) | 2014-03-07 | 2014-03-07 | Graphite flow field plate structure in fuel battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203760566U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108123148A (en) * | 2016-11-30 | 2018-06-05 | 绍兴俊吉能源科技有限公司 | A kind of hydrogen fuel cell flow-field plate |
-
2014
- 2014-03-07 CN CN201420101080.5U patent/CN203760566U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108123148A (en) * | 2016-11-30 | 2018-06-05 | 绍兴俊吉能源科技有限公司 | A kind of hydrogen fuel cell flow-field plate |
| CN108123148B (en) * | 2016-11-30 | 2021-02-02 | 绍兴俊吉能源科技有限公司 | Hydrogen fuel cell flow field plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Yangxunqiao town Keqiao District Zhejiang city Shaoxing province 312028 Patentee after: Shaoxing Wynn Keqiao New Energy Research Institute Co. Ltd. Address before: Yangxunqiao town Keqiao District Zhejiang city Shaoxing province 312028 Patentee before: Shaoxing Yongli New Energy Acdemy Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Yangxunqiao town Keqiao District Zhejiang city Shaoxing province 312028 Patentee after: Zhejiang Yong Yang composite Mstar Technology Ltd Address before: Yangxunqiao town Keqiao District Zhejiang city Shaoxing province 312028 Patentee before: Shaoxing Wynn Keqiao New Energy Research Institute Co. Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20180307 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |