CN108550878A - A kind of hydrogen fuel cell system and its control method - Google Patents
A kind of hydrogen fuel cell system and its control method Download PDFInfo
- Publication number
- CN108550878A CN108550878A CN201810305305.1A CN201810305305A CN108550878A CN 108550878 A CN108550878 A CN 108550878A CN 201810305305 A CN201810305305 A CN 201810305305A CN 108550878 A CN108550878 A CN 108550878A
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- China
- Prior art keywords
- fuel cell
- hydrogen
- oxygen
- pump
- container
- 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.)
- Pending
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 100
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 239000001257 hydrogen Substances 0.000 title claims abstract description 73
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 73
- 238000000034 method Methods 0.000 title claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 52
- 239000001301 oxygen Substances 0.000 claims abstract description 52
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 52
- 239000007789 gas Substances 0.000 claims abstract description 17
- 238000009826 distribution Methods 0.000 claims abstract description 8
- 239000012528 membrane Substances 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims description 21
- 239000000498 cooling water Substances 0.000 claims description 13
- 230000005611 electricity Effects 0.000 claims description 6
- 230000008450 motivation Effects 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 2
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 238000003487 electrochemical reaction Methods 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007787 solid Substances 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
- H01M8/04223—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells
-
- 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
- H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
-
- 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
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/043—Processes for controlling fuel cells or fuel cell systems applied during specific periods
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
- H01M2250/20—Fuel cells in motive systems, e.g. vehicle, ship, plane
-
- 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
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
Present invention is disclosed a kind of hydrogen fuel cell systems, system is equipped with the fuel cell pack being made of positive and negative membrane electrode and bipolar plates, air distribution system is equipped with hydrogen pump and oxygen pumps, the hydrogen pump steam inlet connects hydrogen container, its gas outlet connects the hydrogen gas flow path of fuel cell pack, the oxygen pump steam inlet connects oxygen container, and gas outlet connects the oxygen flow path of fuel cell pack.The advantage of the invention is that energy conservation and environmental protection, the oxygen in consumed cabin air, does not accomplish to clean completely, and fuel cell is prevented to be poisoned in polluting air environment, and battery work more stablizes, is safe and reliable.
Description
Technical field
The present invention relates to hydrogen fuel cell fields.
Background technology
Fuel cell car has lot of advantages, for example hydrogenation time is short, continual mileage is long, fuel efficiency height etc., becomes
The new-energy automobile kind of various countries' focus development.
Fuel cell is the power generator that a kind of chemical energy by fuel is converted into electric energy, in the prior art, two kinds of masters
The fuel cell wanted is Proton Exchange Membrane Fuel Cells (PEMFC) and solid oxide fuel cell (SOFC).Proton exchange membrane
Fuel cell uses hydrogen as fuel, and chemical energy can be converted to electric energy at a lower temperature, this to use hydrogen
Fuel cell as fuel becomes fuel cell.Hydrogen fuel cell system has the fuel battery combination as main body, the group
The cathode that the anode to be reacted by hydrogen and oxygen react is closed to constitute.
In the prior art, fuel cell system also has the container of storage fuel gas such as hydrogen, and also including will not
Reactive fuel gas returns to the auxiliary devices such as the pump of anode.Hydrogen fuel cell system in the prior art only stores fuel
Container, oxygen are completely dependent on air to supply.This just bring catalyst in a hydrogen fuel cell and reaction film be easy by
The effect of impurity in air, and serious influence performance and used life, especially in the serious area of air pollution.
In the prior art there exists a further problem in that, if using oil hydrogen manufacturing, carbon emission cannot be reduced completely, can not be dropped
The low dependence to fossil energy.Therefore water electrolysis hydrogen production is only the technology path for breaking away from the dependence for fossil energy, is only and answers
To environment and energy crisis effective technology.If using water electrolysis hydrogen production, when large-scale production, the excessive emissions of oxygen
Also it is more than the upper limit that partial oxygen content, which will be caused, causes the destruction of ecological environment.
Invention content
It is a kind of safe and reliable the technical problem to be solved by the present invention is to realize, and energy-saving and environment-friendly hydrogen fuel electricity
Cell system.
To achieve the goals above, the technical solution adopted by the present invention is：A kind of hydrogen fuel cell system, system be equipped with by
The fuel cell pack that positive and negative membrane electrode and bipolar plates are constituted, air distribution system is equipped with hydrogen pump and oxygen pumps, the hydrogen pump air inlet
Mouth connection hydrogen container, gas outlet connect the hydrogen gas flow path of fuel cell pack, and the oxygen pump steam inlet connects oxygen container, goes out
Gas port connects the oxygen flow path of fuel cell pack.
Fuel cell management system output drive signal is to fuel cell pack and air distribution system.
The shell of the fuel cell pack is equipped with cooling line, and the cooling line connection is by cooling pump and cooling water tank
The cooling circuit of composition is stored with cooling water in the cooling water tank.
The gas outlet of the oxygen container and hydrogen container is equipped with valve, and the fuel cell management system output drive signal is extremely
Valve.
A kind of electric vehicle, the electric vehicle are equipped with the motivation motor of driving vehicle wheel rotation, and the motivation motor is by institute
State hydrogen fuel cell system power supply.
A kind of control method of such as hydrogen fuel cell, after system starts, fuel cell management system drives fuel electricity
Chi Dui starts, while starting oxygen pump and hydrogen pump to fuel cell pack gas supply, when the system is shut down, fuel cell management system
Fuel cell stack shutdown is driven, oxygen pump is simultaneously closed off and hydrogen pump stops supplying to fuel cell pack.
Before starting oxygen pump and hydrogen pump, the valve of oxygen container and hydrogen container is opened, when closing oxygen pump and hydrogen pump
Afterwards, the valve of oxygen container and hydrogen container is closed.
After system starts, it is greater than the set value, then starts when fuel cell management system obtains fuel cell pack Current Temperatures
Cooling pump, after system is closed, cooling pump power-off is closed.
The advantage of the invention is that energy conservation and environmental protection, the oxygen in consumed cabin air, does not accomplish to clean completely, and prevent combustion
Material battery is poisoned in polluting air environment, and battery work more stablizes, is safe and reliable.
Description of the drawings
The content of every width attached drawing expression in description of the invention is briefly described below：
Fig. 1 is hydrogen fuel cell structural schematic diagram.
Specific implementation mode
As shown in Figure 1, hydrogen fuel cell system is equipped with the fuel cell pack being made of positive and negative membrane electrode and bipolar plates, fuel
Battery pile is used to complete the electrochemical reaction of hydrogen and oxygen and generates electricity, and the gas circuit of fuel cell pack is connect with air distribution system, is matched
Gas system hydrogen pump and oxygen pump, hydrogen pump steam inlet connect hydrogen container, and gas outlet connects the hydrogen gas flow path of fuel cell pack,
Oxygen pump steam inlet connects oxygen container, and gas outlet connects the oxygen flow path of fuel cell pack.Oxygen container and hydrogen container can be
Integrated two-chamber can also be two containers of fission.Fuel cell system stores oxygen and hydrogen simultaneously, does not depend in air
Oxygen is equipped with independent hydrogen pump and oxygen pump to be electrochemically reacted for oxygen container and hydrogen container, ensures system
It is stable and reliable in work.
Hydrogen fuel cell system is equipped with temperature management system, and temperature management system includes the shell being arranged in fuel cell pack
On cooling line, cooling water is stored in cooling water tank, cooling water tank is equipped with the radiator for internal cooling water temperature, that is, dissipates
The cooling circuit that hot device, cooling line, cooling pump and cooling water tank are constituted, by cooling water in the cooling being connected with fuel cell
Pipeline recycles and cools down fuel cell.
Hydrogen fuel cell system is equipped with fuel cell management system, fuel cell management system output drive signal to fuel
Battery pile and air distribution system, i.e. the power generation startup, stopping of control battery, power regulation, auxiliary system etc..Specifically, system
After startup, fuel cell management system drives fuel cell pack to start, while starting oxygen pump and hydrogen pump to fuel cell pack
Gas supply, when the system is shut down, fuel cell management system drive fuel cell stack shutdown, simultaneously close off oxygen pump and hydrogen pump is stopped
Only supplied to fuel cell pack.
In addition, after system starts, it is greater than the set value when fuel cell management system obtains fuel cell pack Current Temperatures, then
Start cooling pump, after system is closed, cooling pump power-off is closed.Cooling pump is opened after temperature reaches setting value, then can be protected
Demonstrate,prove start battery temperature.
For guarantee leakproofness, the gas outlet of oxygen container and hydrogen container is equipped with valve, fuel cell management system output driving
Signal is to valve.Before starting oxygen pump and hydrogen pump, the valve of oxygen container and hydrogen container is opened, when closing oxygen pump and hydrogen
After pump, the valve of oxygen container and hydrogen container is closed.
Hydrogen fuel cell system can be applied on electric vehicle, such as fuel cell extended-range SUV electric vehicles, such as：It should
Hundred kilometers of power consumption 17.2kVAh of vehicle assemble battery system 35kVAh, and it is continuous that the specified energy storage of battery system relies on the pure power mode of battery
Sail 200 kilometers of mileage, fuel cell rated generation power 30kW.Fuel cell uses hydrogen fuel cell system, including by just
The battery pile that negative membrane electrode and bipolar plates are constituted, completes the electrochemical reaction of hydrogen and oxygen and generates electricity wherein；Air distribution system,
Using oxygen pump and hydrogen pump oxygen gas and hydrogen are supplied to oxygen flow path, fuel supply line and the hydrogen the circulation path being connected with fuel cell
Gas；Temperature management system makes the cooling water cooled down by radiator by the cooling path being connected with fuel cell recycles by pump
Fuel cell is cooled down；Ripe compression hydrogen air accumulator and compressed oxygen air accumulator is respectively adopted in air container；Battery management
System controls the power generation startup of battery, stopping, power regulation, auxiliary system etc..
The present invention is exemplarily described above in conjunction with attached drawing, it is clear that the present invention implements not by aforesaid way
Limitation, as long as the improvement of the various unsubstantialities of inventive concept and technical scheme of the present invention progress is used, or without changing
Other occasions are directly applied to by the design of the present invention and technical solution, within protection scope of the present invention.
Claims (8)
1. a kind of hydrogen fuel cell system, system is equipped with the fuel cell pack being made of positive and negative membrane electrode and bipolar plates, feature
It is：Air distribution system is equipped with hydrogen pump and oxygen pumps, and the hydrogen pump steam inlet connects hydrogen container, and gas outlet connects fuel electricity
The hydrogen gas flow path of Chi Dui, the oxygen pump steam inlet connect oxygen container, and gas outlet connects the oxygen flow path of fuel cell pack.
2. hydrogen fuel cell system according to claim 1, it is characterised in that：Fuel cell management system output driving is believed
Number to fuel cell pack and air distribution system.
3. hydrogen fuel cell system according to claim 1 or 2, it is characterised in that：On the shell of the fuel cell pack
Equipped with cooling line, the cooling line connects the cooling circuit being made of cooling pump and cooling water tank, in the cooling water tank
It is stored with cooling water.
4. hydrogen fuel cell system according to claim 2, it is characterised in that：The gas outlet of the oxygen container and hydrogen container
Equipped with valve, the fuel cell management system output drive signal to valve.
5. a kind of electric vehicle, the electric vehicle is equipped with the motivation motor of driving vehicle wheel rotation, it is characterised in that：The motivation
Motor hydrogen fuel cell system described in claim 1-4 is powered.
6. a kind of control method of the hydrogen fuel cell as described in claim 1-4, it is characterised in that：After system starts, fuel electricity
Pond manages system drive fuel cell pack and starts, while starting oxygen pump and hydrogen pump to fuel cell pack gas supply, when system is closed
When closing, fuel cell management system drives fuel cell stack shutdown, simultaneously closes off oxygen pump and hydrogen pump stops to fuel cell
Heap supplies.
7. control method according to claim 6, it is characterised in that：Before starting oxygen pump and hydrogen pump, storage oxygen is opened
The valve of tank and hydrogen container closes the valve of oxygen container and hydrogen container after closing oxygen pump and hydrogen pump.
8. the control method described according to claim 6 or 7, it is characterised in that：After system starts, work as fuel cell management system
It obtains fuel cell pack Current Temperatures to be greater than the set value, then starts cooling pump, after system is closed, cooling pump power-off is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810305305.1A CN108550878A (en) | 2018-04-08 | 2018-04-08 | A kind of hydrogen fuel cell system and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810305305.1A CN108550878A (en) | 2018-04-08 | 2018-04-08 | A kind of hydrogen fuel cell system and its control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108550878A true CN108550878A (en) | 2018-09-18 |
Family
ID=63514088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810305305.1A Pending CN108550878A (en) | 2018-04-08 | 2018-04-08 | A kind of hydrogen fuel cell system and its control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108550878A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112838240A (en) * | 2019-11-22 | 2021-05-25 | 未势能源科技有限公司 | Air supply method and device for fuel cell vehicle, equipment and vehicle |
| CN115447405A (en) * | 2022-10-17 | 2022-12-09 | 质子汽车科技有限公司 | Hydrogen fuel cell stack mounting structure for vehicle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201113548Y (en) * | 2007-09-14 | 2008-09-10 | 比亚迪股份有限公司 | Back-up power |
| CN203300746U (en) * | 2013-06-28 | 2013-11-20 | 武汉环达电子科技有限公司 | Hybrid energy system for underwater unmanned detection device |
| DE102014019589A1 (en) * | 2014-12-30 | 2016-06-30 | David Hirsch | Method and device for storing excess electrical energy and for the time-delayed delivery of the stored energy |
| CN106450383A (en) * | 2016-11-29 | 2017-02-22 | 北京建筑大学 | Water management system for proton exchange membrane fuel cell and working method thereof |
-
2018
- 2018-04-08 CN CN201810305305.1A patent/CN108550878A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201113548Y (en) * | 2007-09-14 | 2008-09-10 | 比亚迪股份有限公司 | Back-up power |
| CN203300746U (en) * | 2013-06-28 | 2013-11-20 | 武汉环达电子科技有限公司 | Hybrid energy system for underwater unmanned detection device |
| DE102014019589A1 (en) * | 2014-12-30 | 2016-06-30 | David Hirsch | Method and device for storing excess electrical energy and for the time-delayed delivery of the stored energy |
| CN106450383A (en) * | 2016-11-29 | 2017-02-22 | 北京建筑大学 | Water management system for proton exchange membrane fuel cell and working method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112838240A (en) * | 2019-11-22 | 2021-05-25 | 未势能源科技有限公司 | Air supply method and device for fuel cell vehicle, equipment and vehicle |
| CN115447405A (en) * | 2022-10-17 | 2022-12-09 | 质子汽车科技有限公司 | Hydrogen fuel cell stack mounting structure for vehicle |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20180918 |