CN204118185U - A kind of fuel cell composite graphite bipolar plates - Google Patents
A kind of fuel cell composite graphite bipolar plates Download PDFInfo
- Publication number
- CN204118185U CN204118185U CN201420549770.7U CN201420549770U CN204118185U CN 204118185 U CN204118185 U CN 204118185U CN 201420549770 U CN201420549770 U CN 201420549770U CN 204118185 U CN204118185 U CN 204118185U
- Authority
- CN
- China
- Prior art keywords
- bipolar plates
- water
- air
- permeable
- fuel cell
- 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 - Lifetime
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 24
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 19
- 239000010439 graphite Substances 0.000 title claims abstract description 19
- 239000002131 composite material Substances 0.000 title claims abstract description 9
- 239000000376 reactant Substances 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 4
- 238000001816 cooling Methods 0.000 claims description 6
- 239000000498 cooling water Substances 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000006735 deficit Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method 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
Landscapes
- Fuel Cell (AREA)
Abstract
The utility model discloses a kind of fuel cell composite graphite bipolar plates, comprise for the negative electrode of fuel cell with the use of bipolar plates, described bipolar plates comprises the bipolar plates main body be made up of airtight and fluid-tight graphite, the inside of described bipolar plates main body offers an air-and water-permeable region, be filled with by breathing freely and the air-and water-permeable plate made of permeable graphite in described air-and water-permeable region, described bipolar plates main body and described air-and water-permeable plate are provided with some grooves on the first surface of negative electrode, the both sides inwall of each groove and bottom limit and form cathode reactant gas runner.The beneficial effects of the utility model are: the water of bipolar plates outside can enter into cathode reactant gas runner by air-and water-permeable plate, negative electrode is made to reach the humidity requirement of regulation, ensure the normal work being positioned at the bipolar plates of cathode side, improve the power capability that fuel cell produces.
Description
Technical field
The utility model relates to fuel battery double plates field, particularly a kind of be applicable to fuel battery negative pole with the use of fuel cell composite graphite bipolar plates.
Background technology
As known in the art, the fuel cell of most of type needs to have specific relative humidity.Particularly the negative electrode of fuel cell needs certain moisture to keep humidity in the course of the work, reduces the heat that negative electrode produces.And in the operating process of fuel cell, the water generated at negative electrode place, but current fuel battery double plates great majority adopt general graphite to make, and general graphite has air impermeability and impermeability, so the component of the water of negative electrode generation is also not enough to the humidity requirement reaching negative electrode.
By periodically adding water to the reactant gas passages of negative electrode or carry out gas humidification process in reactant gas passages porch at present, but this processing method complex operation, and increase running cost.
Utility model content
The purpose of this utility model is the problem of the cathode reactant gas passage humidity deficit existed for existing fuel battery double plates, there is provided a kind of be applicable to fuel battery negative pole with the use of fuel cell composite graphite bipolar plates, to solve the problem of cathode reactant gas passage humidity deficit.
The technical problem that the utility model solves can realize by the following technical solutions:
A kind of fuel cell composite graphite bipolar plates, comprise for the negative electrode of fuel cell with the use of bipolar plates, described bipolar plates comprises the bipolar plates main body be made up of airtight and fluid-tight graphite, the inside of described bipolar plates main body offers an air-and water-permeable region, be filled with by breathing freely and the air-and water-permeable plate made of permeable graphite in described air-and water-permeable region, described bipolar plates main body and described air-and water-permeable plate are provided with some grooves on the first surface of negative electrode, and the both sides inwall of each groove and bottom limit and form cathode reactant gas runner.
In a preferred embodiment of the present utility model, described bipolar plates main body and described air-and water-permeable backboard arrange water circulation cooling device on the second surface of negative electrode, and the cooling water flow of described water circulation cooling device is through the second surface of described air-and water-permeable plate.
Owing to have employed technical scheme as above, the beneficial effects of the utility model are: the water of bipolar plates outside can enter into cathode reactant gas runner by air-and water-permeable plate, negative electrode is made to reach the humidity requirement of regulation, ensure the normal work being positioned at the bipolar plates of cathode side, improve the power capability that fuel cell produces.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the cutaway view of the utility model embodiment 1.
Fig. 3 is the cutaway view of the utility model embodiment 2.
Embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
Embodiment 1
See a kind of fuel cell composite graphite bipolar plates shown in Fig. 1 and Fig. 2, comprise for the negative electrode of fuel cell with the use of bipolar plates 100, this bipolar plates 100 comprises the bipolar plates main body 200 be made up of airtight and fluid-tight graphite, offer an air-and water-permeable region 210 in the inside of bipolar plates main body 200, the air-and water-permeable region 210 in the present embodiment is positioned in the middle part of bipolar plates main body 200.Be filled with by breathing freely and the air-and water-permeable plate 300 made of permeable graphite in air-and water-permeable region 210, seamless spliced between air-and water-permeable plate 300 border and bipolar plates main body 200.On the first surface 201,301 of negative electrode, be provided with some grooves 400 in bipolar plates main body 200 and air-and water-permeable plate 300, the both sides inwall 401 of each groove 400 and bottom 402 limit and form cathode reactant gas runner 400a.Shape as cathode reactant gas runner 400a is that those skilled in the art easily expect, does not just repeat at this.
During utility model works, the water of bipolar plates 100 outside can enter into cathode reactant gas runner 400a by air-and water-permeable plate 300, make negative electrode reach the humidity requirement of regulation, ensure the normal work being positioned at the bipolar plates 100 of cathode side, improve the power capability that fuel cell produces.
Embodiment 2
Shown in Figure 3, the structure of the present embodiment is roughly identical with embodiment 1, its difference is, the second surface 202,302 of bipolar plates main body 200 and air-and water-permeable plate 300 negative electrode dorsad arranges water circulation cooling device 500, the cooling water 510 of water circulation cooling device 500 flows through the second surface 302 of air-and water-permeable plate 300, such structure just can make cooling water 510 directly be entered in cathode reactant gas runner 400a by air-and water-permeable plate 300, further increases humidification efficiency.
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
1. a fuel cell composite graphite bipolar plates, comprise for the negative electrode of fuel cell with the use of bipolar plates, it is characterized in that, described bipolar plates comprises the bipolar plates main body be made up of airtight and fluid-tight graphite, the inside of described bipolar plates main body offers an air-and water-permeable region, be filled with by breathing freely and the air-and water-permeable plate made of permeable graphite in described air-and water-permeable region, described bipolar plates main body and described air-and water-permeable plate are provided with some grooves on the first surface of negative electrode, the both sides inwall of each groove and bottom limit and form cathode reactant gas runner.
2. a kind of fuel cell composite graphite bipolar plates as claimed in claim 1, it is characterized in that, described bipolar plates main body and described air-and water-permeable backboard arrange water circulation cooling device on the second surface of negative electrode, and the cooling water flow of described water circulation cooling device is through the second surface of described air-and water-permeable plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420549770.7U CN204118185U (en) | 2014-09-23 | 2014-09-23 | A kind of fuel cell composite graphite bipolar plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420549770.7U CN204118185U (en) | 2014-09-23 | 2014-09-23 | A kind of fuel cell composite graphite bipolar plates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204118185U true CN204118185U (en) | 2015-01-21 |
Family
ID=52335469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420549770.7U Expired - Lifetime CN204118185U (en) | 2014-09-23 | 2014-09-23 | A kind of fuel cell composite graphite bipolar plates |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204118185U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117059829A (en) * | 2023-10-08 | 2023-11-14 | 上海弘枫实业有限公司 | Fuel cell bipolar plate and fuel cell |
-
2014
- 2014-09-23 CN CN201420549770.7U patent/CN204118185U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117059829A (en) * | 2023-10-08 | 2023-11-14 | 上海弘枫实业有限公司 | Fuel cell bipolar plate and fuel cell |
| CN117059829B (en) * | 2023-10-08 | 2024-03-08 | 上海弘枫实业有限公司 | Fuel cell bipolar plate and fuel cell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150121 |
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| CX01 | Expiry of patent term |