CN107026275A - A kind of part for improving battery operation stability - Google Patents
A kind of part for improving battery operation stability Download PDFInfo
- Publication number
- CN107026275A CN107026275A CN201610071161.9A CN201610071161A CN107026275A CN 107026275 A CN107026275 A CN 107026275A CN 201610071161 A CN201610071161 A CN 201610071161A CN 107026275 A CN107026275 A CN 107026275A
- Authority
- CN
- China
- Prior art keywords
- fuel cell
- operation stability
- battery operation
- diffusion layer
- improving battery
- 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.)
- Granted
Links
- 239000000446 fuel Substances 0.000 claims abstract description 37
- 238000009792 diffusion process Methods 0.000 claims abstract description 24
- 239000012528 membrane Substances 0.000 claims abstract description 11
- 239000001257 hydrogen Substances 0.000 claims abstract description 10
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 10
- 239000007789 gas Substances 0.000 claims abstract description 9
- 239000004020 conductor Substances 0.000 claims abstract description 8
- 230000003020 moisturizing effect Effects 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 210000004027 cell Anatomy 0.000 description 27
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- 230000005611 electricity Effects 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 239000011149 active material Substances 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000036647 reaction Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
- H01M8/04119—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
- H01M8/04126—Humidifying
- H01M8/04149—Humidifying by diffusion, e.g. making use of membranes
-
- 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 present invention relates to a kind of part for improving battery operation stability, for in fuel cell, described fuel cell includes deflector, gas diffusion layers and membrane electrode, described gas diffusion layers include air diffusion layer and hydrogen diffusion layer, described part is made of an electrically conducting material, and be arranged between described deflector and air diffusion layer, for the PEM moisturizing in described membrane electrode, described part to be provided with least one through hole for ventilate body and liquid.Compared with prior art, the present invention has easy to use, low cost and other advantages.
Description
Technical field
The invention belongs to fuel cell field, more particularly, to a kind of part for improving battery operation stability.
Background technology
Fuel cell is a kind of electrochemical appliance, and its composition is identical with general battery.Monomer battery is by positive and negative two
Individual electrode (negative pole is fuel electrode and positive pole i.e. oxidant electrode) and electrolyte composition.The difference is that general electricity
The active material in pond is stored in inside battery, therefore, limits battery capacity.And the positive and negative electrode sheet of fuel cell
Body does not include reactive material, simply a catalytic converter element.Therefore fuel cell is worthy of the name chemical energy turn
Turn to the energy transfer machine of electric energy.When battery works, fuel and oxidant are reacted by being externally supplied.It is former
As long as then upper reactant is continually entered, reaction product is constantly excluded, and fuel cell just can continuously generate electricity.Hydrogen-oxygen
The operation principle of fuel cell is as follows：
Negative pole：H2→2H++2e-
Positive pole：1/2O2+H++2e-→H2O
Cell reaction：H2+1/2O2==H2O
Because the specific energy of fuel cell is high, environment-friendly, compatible regenerative resource the features such as, obtained global each
The very big attention of government of state, enterprise and research institution.U.S., day, Ou Deng developed countries persistently strengthen to fuel cell
The support in field, correlation technique constantly breaks through, and automobile-used proton membrane fuel battery has begun to commercialization.
Because the PEM of fuel cell needs moisture content when conducting Hydrogen Proton, therefore traditional fuel cell exists
It is humidified in air and hydrogen before incoming fuel battery, so makes the complicated of fuel cell system, reliably
Property reduction.Such as Chinese patent application 201210559773.4 discloses a kind of membrane humidifier for fuel cell,
Including cylindrical housings, humidification pipe, air register and hydrogen baffle plate；Humidification pipe is double-layer structure, and outer layer is aramid fiber
Paper tube, internal layer is stainless steel mesh, and humidification pipe two ends are separately fixed on air register and hydrogen baffle plate, sealing with
Inside cylindrical housings, tube side and shell side are formed.The apparatus structure is complicated, inconvenient for use.
The content of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide one kind it is easy to use, into
The part of this low raising battery operation stability.
The purpose of the present invention can be achieved through the following technical solutions：A kind of part for improving battery operation stability,
For in fuel cell, described fuel cell to include deflector, gas diffusion layers and membrane electrode, described gas
Diffusion layer includes air diffusion layer and hydrogen diffusion layer, and described part is made of an electrically conducting material, and is arranged on described
Deflector and air diffusion layer between, for the PEM moisturizing in described membrane electrode, described portion
Part is provided with least one through hole for ventilate body and liquid.
Described conductive material is graphite paper.
Described conductive material is metallic plate.
The thickness of described part is 0.01-2mm, within the range, add the part fuel cell it is outer
Structure is seen to have almost no change.
The size of the size of described part and described air diffusion layer matches.
The ratio of the area of the area of described through hole and the non through hole on described part is 1:1—1:20, at this
In individual proportion, the part neither influences the power generation performance of fuel cell in itself, again can be well to proton exchange
Film moisturizing so that the performance optimization of fuel cell.
Compared with prior art, the present invention has advantages below：
(1) present invention is added in the outside of fuel battery gas diffusion layer, the water tariff collection that reaction is produced can be made to exist
Inside battery, it is to avoid additional humidifier is simple in construction to gas humidification；
(2) ratio of the area of the area of the through hole on part of the invention and the non through hole on described part is
1:1—1:20, in this proportion, part neither influences the power generation performance of fuel cell in itself, and can be very well
To PEM moisturizing so that the optimization of the performance of fuel cell；
(3) thickness of part of the present invention is 0.01-2mm, within the range, adds the fuel electricity of the part
The surface structure in pond has almost no change；
(4) cost of the present invention is low, easy to use, is suitable for large range promotion use.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the fuel cell for the part for improving battery operation stability of the addition present invention；
Fig. 2 is a kind of performance curve for the part fuel cell for improving battery operation stability of the addition present invention；
Fig. 3 is the performance curve for not adding the fuel cell of the present invention；
It is designated in figure：1 membrane electrode, 2 air diffusion layers, 3 hydrogen diffusion layers, 4 parts, 5 air baffles,
6 hydrogen flow guide plates.
Embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
A kind of part for improving battery operation stability, in fuel cell, existing fuel cell to be to set successively
Air baffle 5, air diffusion layer 2, membrane electrode 1, hydrogen diffusion layer 3 and the hydrogen flow guide plate 6 put, this hair
It is bright to increase the part 4 being made of an electrically conducting material between air baffle 5 and air diffusion layer 2, such as Fig. 1 institutes
Show, for the PEM moisturizing in membrane electrode 1, part 4 to be used for vented liquid provided with least one
Through hole.The part 4 of the present embodiment is graphite paper, and thickness is 0.01mm, the size and air diffusion layer of part 4
5 size matches.The ratio of the area of the area of through hole and non through hole is 1 on part 4:1.
The present embodiment adds fuel cell according to monocell lamination stack, is assembled into the battery pile with 22 monocells.
The running temperature of battery pile is 62 degree, and oxygen supply and radiating are carried out using fan.The monocell of one of battery pile
It is middle add the present invention part 4, another is not added, operation result as shown in Figures 2 and 3, wherein Fig. 2
For the performance curve for the fuel cell for adding part 4 of the present invention, Fig. 3 is the fuel cell for not adding the present invention
Performance curve, be can be seen that after addition part 4 by comparison diagram 2 and Fig. 3, and the performance of battery is improved, can
Long-time steady operation.
Embodiment 2
In the present embodiment, part 4 is metallic plate, and thickness is that the area of through hole dissipates with expanding 4 on 2mm, part 4
The ratio of the area of non through hole is 1 on layer:20, remaining be the same as Example 1.
Embodiment 3
In the present embodiment, the thickness of part 4 be on 0.5mm, part 4 area of through hole with it is non-through on part 4
The ratio of the area in hole is 1:10, remaining be the same as Example 1.
Claims (6)
1. a kind of part for improving battery operation stability, in fuel cell, described fuel cell to include
Deflector, gas diffusion layers and membrane electrode, described gas diffusion layers include air diffusion layer and hydrogen diffusion layer,
Characterized in that, described part is made of an electrically conducting material, and be arranged on described deflector and air diffusion layer it
Between, for the PEM moisturizing in described membrane electrode, described part to be used to lead to provided with least one
The through hole of gas and liquid.
2. a kind of part for improving battery operation stability according to claim 1, it is characterised in that institute
The conductive material stated is graphite paper.
3. a kind of part for improving battery operation stability according to claim 1, it is characterised in that institute
The conductive material stated is metallic plate.
4. a kind of part for improving battery operation stability according to claim 1, it is characterised in that institute
The thickness for the part stated is 0.01-2mm.
5. a kind of part for improving battery operation stability according to claim 1, it is characterised in that institute
The size of the size for the part stated and described air diffusion layer matches.
6. a kind of part for improving battery operation stability according to claim 1, it is characterised in that institute
The ratio of the area of the area for the through hole stated and the non through hole on described part is 1:1—1:20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610071161.9A CN107026275B (en) | 2016-02-01 | 2016-02-01 | Component for improving battery operation stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610071161.9A CN107026275B (en) | 2016-02-01 | 2016-02-01 | Component for improving battery operation stability |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107026275A true CN107026275A (en) | 2017-08-08 |
| CN107026275B CN107026275B (en) | 2019-12-31 |
Family
ID=59524568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610071161.9A Active CN107026275B (en) | 2016-02-01 | 2016-02-01 | Component for improving battery operation stability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107026275B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1063717A2 (en) * | 1999-06-22 | 2000-12-27 | SANYO ELECTRIC Co., Ltd. | Stable and high-performance fuel cell |
| CN1684294A (en) * | 2004-04-14 | 2005-10-19 | 上海神力科技有限公司 | Self heat radiation and self wetting fuel cell stack with high power density |
| CN200965892Y (en) * | 2006-07-07 | 2007-10-24 | 上海攀业氢能源科技有限公司 | Fuel battery composite gas-diffusion-layer |
| CN101364646A (en) * | 2007-08-08 | 2009-02-11 | 上海攀业氢能源科技有限公司 | Fuel cell electrode having aqueous vapor separation layer |
| CN103531821A (en) * | 2012-07-05 | 2014-01-22 | 清华大学 | Membrane electrode and fuel cell using membrane electrode |
-
2016
- 2016-02-01 CN CN201610071161.9A patent/CN107026275B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1063717A2 (en) * | 1999-06-22 | 2000-12-27 | SANYO ELECTRIC Co., Ltd. | Stable and high-performance fuel cell |
| CN1684294A (en) * | 2004-04-14 | 2005-10-19 | 上海神力科技有限公司 | Self heat radiation and self wetting fuel cell stack with high power density |
| CN200965892Y (en) * | 2006-07-07 | 2007-10-24 | 上海攀业氢能源科技有限公司 | Fuel battery composite gas-diffusion-layer |
| CN101364646A (en) * | 2007-08-08 | 2009-02-11 | 上海攀业氢能源科技有限公司 | Fuel cell electrode having aqueous vapor separation layer |
| CN103531821A (en) * | 2012-07-05 | 2014-01-22 | 清华大学 | Membrane electrode and fuel cell using membrane electrode |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107026275B (en) | 2019-12-31 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201401 Building 2, No. 88, Huancheng North Road, industrial comprehensive development zone, Fengxian District, Shanghai Patentee after: Shanghai panye Hydrogen Energy Technology Co.,Ltd. Address before: 201401 Building 2, No. 88, Huancheng North Road, industrial comprehensive development zone, Fengxian District, Shanghai Patentee before: Shanghai Panye Hydrogen Energy Technology Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |