CN207587855U - A kind of hydrogen fuel portable power power supply - Google Patents
A kind of hydrogen fuel portable power power supply Download PDFInfo
- Publication number
- CN207587855U CN207587855U CN201721710247.8U CN201721710247U CN207587855U CN 207587855 U CN207587855 U CN 207587855U CN 201721710247 U CN201721710247 U CN 201721710247U CN 207587855 U CN207587855 U CN 207587855U
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- China
- Prior art keywords
- hydrogen
- guiding plate
- air
- battery pile
- power supply
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- 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.)
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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
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Abstract
The utility model discloses a kind of hydrogen fuel portable power power supplys.The hydrogen fuel portable power power supply includes battery pile, hydrogen-storing device, filter device and device for recovering tail gas;Battery pile is made of multigroup battery cells in series, and every group of battery unit includes membrane electrode, airflow guiding plate and hydrogen flow guiding plate;Airflow guiding plate is equipped with a plurality of air conducting slot, and hydrogen flow guiding plate is equipped with hydrogen flow guide slot, and air conducting slot directly runs through the both sides of airflow guiding plate;The side of battery pile forms air intake, and opposite side forms air outlet slit, and blower fan is equipped at air intake, blower fan is equipped at air outlet slit;Hydrogen-storing device is connected by pipeline with filter device, and filter device is connected by pipeline with the hydrogen inlet in battery pile;Device for recovering tail gas is connected by pipeline with the discharge outlet in battery pile.The utility model is radiated by the use of atmospheric air as oxidant using atmospheric air, can substantially reduce equipment cost and operating cost, has apparent energy-saving effect.
Description
Technical field
The utility model is related to field of fuel cell technology, more particularly to a kind of hydrogen fuel portable power power supply.
Background technology
Fuel cell is a power generator that chemical energy can be directly changed into electric energy, and fuel cell especially proton is handed over
Membrane cell is changed in addition to pollution-free in power generation, outside low noise, also with corrosion-free, starts fast, it is easy to prepare, repair letter
Many advantages, such as single, power density is big, and generating efficiency is high, and service life is long, therefore in the vehicles, generating equipment, military affairs, latent
It is had broad application prospects in the every field such as ship, space flight and aviation.
Fuel cell is commonly divided into alkaline fuel cell, solid-oxide fuel cell and pem fuel electricity
Pond etc..Wherein, Proton Exchange Membrane Fuel Cells is quickly grown in recent years, is increasingly taken seriously.A usual individual proton
Exchange film fuel battery unit mainly includes the part such as membrane electrode, deflector and collector plate and forms.
Membrane electrode is the core component of battery unit, fuel gas (hydrogen) and oxidant (pure oxygen or oxygenous air)
Electrochemical reaction occurs herein, discharge electronics and generates water.Membrane electrode is usually by a proton exchange membrane, is clipped in proton respectively
Two panels porous conductive layer (being respectively anode and cathode) composition of exchange membrane both sides.Proton exchange membrane is by proton-conducting material
Be made, have in the prior art using such as perfluorosulfonic acid type film, polystyrene sulfonic acid type film, polytriflurostyrene sulphonic type film,
Phenolic resin sulfonic acid type film, hydrocarbon membrane etc. are used as proton exchange membrane.Porous conductive layer is usually by conductive material system
Into, such as carbon paper, substrate of at least surface with porous structure, and form electro-catalysis on the substrate of the porous structure
Layer.
Deflector is also known as fluidized bed plate, partition board, is usually made of an electrically conducting material, such as graphite, conductive plastics, metal etc.
Material.In each battery unit, membrane electrode is clipped among two pieces of deflectors, is in contact in each deflector with membrane electrode
The methods of surface is carved by die casting, punching press or mechanical milling forms one or more diversion trench, which is respectively used to guiding combustion
Gas, oxidant or reaction product water.These diversion trenches both can be used as fuel and oxidant enter anode, cathode surface it is logical
Road, while as the channel for taking away the water generated during fuel cell operation, while be used as taking away what is generated during fuel cell operation
The channel of water.During practical application, to improve fuel cell general power, multiple cell of fuel cell can be connected structure by stacked system
Into battery pack, two surfaces of one piece of deflector can form diversion trench at this time, be used separately as the anode guide face of a membrane electrode
And the cathode diversion face of another membrane electrode, this two-sided deflector for having diversion trench can become bipolar plates again.
Collector plate is usually that conductive material is made, and two pieces of collector plates of generally use are clipped in two respectively in a battery unit
Block runner plate does not form another surface of diversion trench.Since deflector is also conductive in itself, so, also have in the prior art
The design of collector plate is omitted, is directly used with deflector as collector plate.
Proton Exchange Membrane Fuel Cells is using hydrogen as fuel, using air as oxidant, i.e. referred to as hydrogen fuel cell.Hydrogen exists
One end of fuel cell reaches the anode of battery by the air guide channel in flow-field plate, and proton is reached by the diffusion layer on electrode
Exchange membrane is dissociated into 2 hydrogen ions, i.e. proton under the action of anode catalyst, and releases 2 electronics, is carried out in anode
Oxidation reaction.
Anode reaction formula is:H2=2H++2e
At the same time, air reaches electricity in the other end of fuel cell by air guide channel, the i.e. air slot in flow-field plate
The cathode in pond reaches proton exchange membrane by the diffusion layer on electrode, meanwhile, hydrogen ion reaches cathode across electrolyte, in the moon
Under the action of electrode catalyst, oxygen reacts with hydrogen ion and electronics and generates water, and reduction reaction is carried out in cathode.
Cathode reaction formula is:1/2O2+2H++ 2e=H2O
Total chemical equation is:H2+1/2O2=H2O
At the same time, electronics forms electric current under the connection of external circuit, and electric energy is exported to load by connection.The water of generation
It is discharged by electrode with reaction end gas.When outside continuously feeds hydrogen fuel and oxidant, energy caused by oxidized
Also electric energy and thermal energy are just continuously converted into.
There are following defects for existing Proton Exchange Membrane Fuel Cells:
(1) fuel cell must have external auxiliary running equipment, such as air compression conveyor, these ancillary equipments
In the presence of considerably increasing the complexity of fuel cell system, and reduce the power density of whole system.
(2) air compression plant, such as air pump, water pump are expensive, are unfavorable for the big rule of fuel cell generation
Mould industrialization.
(3) air compression plant, such as the presence of air pump, water pump increase the power consumption of entire fuel cell generation
Add, the power consumption bigger that the power drop of entire electricity generation system, particularly compressed air pump generate.
Utility model content
The purpose of this utility model is to provide a kind of hydrogen fuel portable power power supply simple in structure, cost is small, can be with
Solve one or more of above-mentioned prior art problem.
One side according to the present utility model provides a kind of hydrogen fuel portable power power supply, including battery pile, storage
Hydrogen production device, filter device and device for recovering tail gas;
Battery pile is made of multigroup battery cells in series, and every group of battery unit includes membrane electrode, is set to membrane electrode one
The airflow guiding plate of side and the hydrogen flow guiding plate for being set to membrane electrode opposite side;
Airflow guiding plate is equipped with a plurality of air conducting slot, and hydrogen flow guiding plate is equipped with hydrogen flow guide slot, air conducting slot
Directly run through the both sides of airflow guiding plate;
After polylith airflow guiding plate, membrane electrode, the superposition of hydrogen flow guiding plate, the side of battery pile forms air intake, separately
Side forms air outlet slit, and blower fan is equipped at air intake, blower fan is equipped at air outlet slit;
Hydrogen-storing device is connected by pipeline with filter device, and filter device passes through pipeline and the hydrogen inlet phase in battery pile
Even;
Device for recovering tail gas is connected by pipeline with the discharge outlet in battery pile;
Hydrogen inlet is located at one end of battery pile, and discharge outlet is located at the other end of battery pile, and hydrogen inlet is located at discharge outlet
Top.
The beneficial effects of the utility model are:The utility model is utilized normal by the use of atmospheric air as oxidant
Pressure air radiates, and can substantially reduce equipment cost and operating cost, has apparent energy-saving effect.This practicality simultaneously is new
Type is filtered by the hydrogen in setting filter device to hydrogen-storing device in the exit of hydrogen-storing device out, can improve hydrogen
The purity of gas, so as to further improve the generating efficiency of hydrogen fuel portable power power supply provided by the utility model.This
Outside, by setting blower fan at the air intake of battery pile, blower fan is set at the air outlet slit of battery pile, while is leading
A plurality of air conducting slot is set on air flow path plate, it is possible thereby to battery pile be passed through convenient for atmospheric air, so as to further carry
The generating efficiency of high the utility model.
In some embodiments, airflow guiding plate and hydrogen flow guiding plate are graphite cake.Since graphite is with good
Electric conductivity can not only reduce the cost of the utility model using graphite cake as airflow guiding plate and hydrogen flow guiding plate as a result,
And the generating efficiency of the utility model can be improved.
In some embodiments, air conducting slot is sets at equal intervals.Thus, it is possible to adding convenient for air conducting slot
Work saves manufacturing procedure, while also allows for the oxygen in air and be diffused to the cathode of membrane electrode.
In some embodiments, the cross sectional shape of air conducting slot is polygon or semicircle.Thus, it is possible to convenient for sky
The processing of conductance chute, further reduces production cost.
In some embodiments, the pipeline that hydrogen-storing device is connected with filter device is equipped with compression pump.As a result, by setting
Compression pump is put, the filter effect of hydrogen can be improved in order to the conveying of hydrogen.
In some embodiments, the pipeline that filter device is connected with hydrogen inlet is equipped with the first solenoid valve.Lead to as a result,
The first solenoid valve of setting is crossed, can be controlled in order to the flow velocity to hydrogen, so as to improve the stability of the utility model.
In some embodiments, the pipeline that device for recovering tail gas is connected with discharge outlet is equipped with second solenoid valve.As a result,
By setting second solenoid valve, can in order to do not participate in reaction hydrogen tail gas and reaction process in the water that generates return
It receives.
In some embodiments, further include connected controller and motor, controller respectively with compression pump, the first electromagnetism
Valve, second solenoid valve, blower fan are connected with blower fan.It, can be in order to portable to entire hydrogen fuel as a result, by setting controller
Formula electrical source of power is controlled, to improve the generating efficiency of hydrogen fuel portable power power supply and save production cost.
In some embodiments, filter device is equipped with pressure gauge.As a result, by setting pressure on filter device
Table, can be in order to monitor the pressure inside filter device, so as to improve the security performance of the utility model.
Description of the drawings
Fig. 1 is the overall structure diagram of the hydrogen fuel portable power power supply of one embodiment of the utility model;
Fig. 2 is the structure diagram of the airflow guiding plate in hydrogen fuel portable power power supply shown in Fig. 1;
Fig. 3 is the structure diagram of the hydrogen flow guiding plate in hydrogen fuel portable power power supply shown in Fig. 1;
Fig. 4 is the structure diagram of the membrane electrode in hydrogen fuel portable power power supply shown in Fig. 1;
Fig. 5 is the structure diagram of the live part of membrane electrode shown in Fig. 4.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 to Fig. 5 schematically shows a kind of hydrogen fuel portable power of embodiment according to the present utility model
Power supply.As shown in the figure, the hydrogen fuel portable power power supply includes battery pile 1, hydrogen-storing device 2, filter device 3 and tail gas recycle
Device 4.
Wherein, battery pile 1 is made of multigroup battery cells in series, and every group of battery unit includes membrane electrode 101, is set to
The airflow guiding plate 102 of 101 side of membrane electrode and the hydrogen flow guiding plate 103 for being set to 101 opposite side of membrane electrode.
Membrane electrode 101 includes anode gas diffusion layer 1011, anode catalyst layer 1012, proton exchange membrane 1013, cathode and urges
Change layer 1014 and cathode gas diffusion layer 1015, anode gas diffusion layer 1011, anode catalyst layer 1012, proton exchange membrane
1013rd, the live part 1016 of 1015 constituting membrane electrode 101 of cathode catalysis layer 1014 and cathode gas diffusion layer, membrane electrode 101
Live part 1016 combine constituting membrane electrode 101 with a sealed frame 1017.
Airflow guiding plate 102 is equipped with a plurality of air conducting slot 1021, and hydrogen flow guiding plate 103 is equipped with hydrogen flow guide slot
1031, air conducting slot 1021 directly runs through the both sides of airflow guiding plate 102.Air conducting slot 1021 connects adjacent membrane electrode
The outer surface of 101 cathode gas diffusion layer 1015, the anodic gas that hydrogen flow guide slot 1031 connects adjacent membrane electrode 101 expand
Dissipate the outer surface of layer 1011.
The both ends of hydrogen flow guiding plate 103 offer air inlet gas collection groove 1032 and outlet gas collection groove 1033 respectively, into
Gas gas collection groove 1032 and outlet gas collection groove 1033 are connected with hydrogen flow guide slot 1031, air inlet gas collection groove 1032 and hydrogen
Air inlet rim of the mouth 1034 connects, and outlet gas collection groove 1033 is connected with hydrogen outlet rim of the mouth 1035, and hydrogen gas rim of the mouth 1034 passes through
Pipeline is connected with hydrogen inlet 104, and hydrogen outlet rim of the mouth 1035 is connected by pipeline with discharge outlet 105.
After polylith airflow guiding plate 102, membrane electrode 101, hydrogen flow guiding plate 103 are superimposed, the side of battery pile 1 forms sky
Gas entrance, opposite side form air outlet slit, since air conducting slot 1021 directly runs through the both sides of airflow guiding plate 102, as a result,
The area of air intake and air outlet slit can be increased, so that atmospheric air easily propagates through.
Air conducting slot 1021 is preferably set at equal intervals.Thus, it is possible to convenient for the processing of air conducting slot 1021, save
Manufacturing procedure, while the cathode for also allowing for the oxygen in air to membrane electrode 101 is diffused.
For the ease of the processing of air conducting slot 1021, production cost, the section of air conducting slot 1021 are further reduced
Shape can be polygon or semicircle.
Airflow guiding plate 102 and hydrogen flow guiding plate 103 can be graphite cake.Since graphite has good electric conductivity, by
This, using graphite cake as airflow guiding plate 102 and hydrogen flow guiding plate 103 can not only reduce the utility model cost but also
The generating efficiency of the utility model can be improved.
Preferably, deflector is the bipolar plates for integrating airflow guiding plate 102 and hydrogen flow guiding plate 103, bipolar plates
It is equipped with a plurality of air conducting slot 1021 on one side, forms air conducting face, the another side of bipolar plates is equipped with hydrogen flow guide slot 1031, shape
Into hydrogen flow guide face.Membrane electrode 101 is set to the air conducting face of a piece of bipolar plates and the hydrogen flow guide face of another bipolar plates
Between.
Blower fan 5 is equipped at air intake, blower fan is equipped at air outlet slit.By at the air intake of battery pile 1
Blower fan 5 is set, blower fan is set at the air outlet slit of battery pile 1, battery pile 1 can be passed through in order to atmospheric air, so as to
The generating efficiency of the utility model can be further improved.The utility model is utilized simultaneously by the use of atmospheric air as oxidant
Atmospheric air radiates, and can substantially reduce equipment cost and operating cost, has apparent energy-saving effect.
Hydrogen-storing device 2 is connected by pipeline with filter device 3, and filter device 3 is entered by pipeline and the hydrogen in battery pile 1
Mouth 104 is connected.It was carried out by the hydrogen in setting filter device 3 to hydrogen-storing device 2 in the exit of hydrogen-storing device 2 out
Filter can improve the purity of hydrogen, so as to further improve hydrogen fuel portable power power supply provided by the utility model
Generating efficiency.
Pressure gauge 301 can be equipped on filter device 3.It, can be so as to as a result, by setting pressure gauge 301 on filter device 3
Pressure inside monitoring filter device 3, so as to improve the security performance of the utility model.
Device for recovering tail gas 4 is connected by pipeline with the discharge outlet 105 in battery pile 1.By setting device for recovering tail gas
4, it can be in order to not participating in the water generated in battery pile 1 and the hydrogen of reaction and recycle.
Hydrogen inlet 104 is located at one end of battery pile 1, and discharge outlet 105 is located at the other end of battery pile 1, hydrogen inlet 104
Positioned at the top of discharge outlet 105.Such design as a result, can the input in order to hydrogen and the water to being generated in reaction process
It is recycled.
Compression pump 7 can be equipped on the pipeline that hydrogen-storing device 2 and filter device 3 connect.It, can as a result, by setting compression pump 7
In order to the conveying of hydrogen, the filter effect of hydrogen is improved.
The first solenoid valve 8 can be equipped on the pipeline that filter device 3 and hydrogen inlet 104 connect.Pass through setting first as a result,
Solenoid valve 8 can control in order to the flow velocity to hydrogen, so as to improve the stability of the utility model.
Second solenoid valve 9 can be equipped on the pipeline that device for recovering tail gas 4 and discharge outlet 105 connect.Pass through setting the as a result,
Two solenoid valves 9, can in order to do not participate in reaction hydrogen tail gas and reaction process in the water that generates recycle.
As a preferred embodiment, the utility model further includes connected controller 10 and motor 11, controller 10 respectively with pressure
Power pumps the 7, first solenoid valve 8, second solenoid valve 9, blower fan 5 and is connected with blower fan.It, can be with as a result, by setting controller 10
Convenient for controlling entire hydrogen fuel portable power power supply, to improve the generating efficiency of the utility model and saving is produced into
This.
Above-described is only some embodiments of the utility model.For those of ordinary skill in the art,
Under the premise of not departing from the utility model and creating design, various modifications and improvements can be made, these belong to this practicality
Novel protection domain.
Claims (9)
1. a kind of hydrogen fuel portable power power supply, which is characterized in that including battery pile (1), hydrogen-storing device (2), filter device
(3) and device for recovering tail gas (4);
The battery pile (1) is made of multigroup battery cells in series, and battery unit described in every group includes membrane electrode (101), sets
It is placed in the airflow guiding plate (102) of the membrane electrode (101) side and be set to the membrane electrode (101) opposite side leads hydrogen
Flowing plate (103);
The airflow guiding plate (102) is equipped with a plurality of air conducting slot (1021), and the hydrogen flow guiding plate (103) is equipped with hydrogen
Conductance chute (1031), the air conducting slot (1021) directly run through the both sides of the airflow guiding plate (102);
After airflow guiding plate (102), membrane electrode (101), hydrogen flow guiding plate (103) superposition described in polylith, the battery pile (1)
Side form air intake, opposite side forms air outlet slit, and blower fan (5) is equipped at the air intake, and the air goes out
Blower fan is equipped at mouthful;
The hydrogen-storing device (2) is connected by pipeline with the filter device (3), and the filter device (3) passes through pipeline and institute
The hydrogen inlet (104) stated in battery pile (1) is connected;
The device for recovering tail gas (4) is connected by pipeline with the discharge outlet (105) in the battery pile (1);
The hydrogen inlet (104) is positioned at one end of the battery pile (1), and the discharge outlet (105) is positioned at the battery pile (1)
The other end, the hydrogen inlet (104) is positioned at the top of the discharge outlet (105).
2. hydrogen fuel portable power power supply according to claim 1, which is characterized in that the airflow guiding plate (102)
It is graphite cake with the hydrogen flow guiding plate (103).
3. hydrogen fuel portable power power supply according to claim 1, which is characterized in that the air conducting slot (1021)
To set at equal intervals.
4. hydrogen fuel portable power power supply according to claim 1, which is characterized in that the air conducting slot (1021)
Cross sectional shape be polygon or semicircle.
5. the hydrogen fuel portable power power supply according to claim filters any one of 1 to 4, which is characterized in that described
Hydrogen-storing device (2) and the pipeline of the filter device (3) connection are equipped with compression pump (7).
6. hydrogen fuel portable power power supply according to claim 5, which is characterized in that the filter device (3) and institute
The pipeline for stating hydrogen inlet (104) connection is equipped with the first solenoid valve (8).
7. hydrogen fuel portable power power supply according to claim 6, which is characterized in that the device for recovering tail gas (4)
Second solenoid valve (9) is equipped with the pipeline of the discharge outlet (105) connection.
8. hydrogen fuel portable power power supply according to claim 7, which is characterized in that further include connected controller
(10) and motor (11), the controller (10) respectively with the compression pump (7), first solenoid valve (8), second electricity
Magnet valve (9), the blower fan (5) are connected with the blower fan.
9. hydrogen fuel portable power power supply according to any one of claim 1 to 4, which is characterized in that the filtering
Device (3) is equipped with pressure gauge (301).
Priority Applications (1)
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CN201721710247.8U CN207587855U (en) | 2017-12-07 | 2017-12-07 | A kind of hydrogen fuel portable power power supply |
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CN201721710247.8U CN207587855U (en) | 2017-12-07 | 2017-12-07 | A kind of hydrogen fuel portable power power supply |
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CN201721710247.8U Expired - Fee Related CN207587855U (en) | 2017-12-07 | 2017-12-07 | A kind of hydrogen fuel portable power power supply |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113013438A (en) * | 2021-01-25 | 2021-06-22 | 沈阳诚高科技股份有限公司 | Hydrogen fuel cell |
-
2017
- 2017-12-07 CN CN201721710247.8U patent/CN207587855U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113013438A (en) * | 2021-01-25 | 2021-06-22 | 沈阳诚高科技股份有限公司 | Hydrogen fuel cell |
CN113013438B (en) * | 2021-01-25 | 2024-05-24 | 沈阳诚高科技股份有限公司 | Hydrogen fuel cell |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180706 Termination date: 20211207 |
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CF01 | Termination of patent right due to non-payment of annual fee |