CN207994016U - A kind of portable air fuel cell - Google Patents
A kind of portable air fuel cell Download PDFInfo
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- CN207994016U CN207994016U CN201820070764.1U CN201820070764U CN207994016U CN 207994016 U CN207994016 U CN 207994016U CN 201820070764 U CN201820070764 U CN 201820070764U CN 207994016 U CN207994016 U CN 207994016U
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- fuel cell
- air fuel
- liquid storage
- portable air
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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 provides a kind of portable air fuel cell, including cavity, first electrode, second electrode, press member；Electrode outlet line is separately connected the first electrode and the second electrode；Several reaction chambers, liquid storage chamber are equipped in the cavity；The liquid storage chamber is connected to the reaction chamber bottom；The liquid storage intracavitary storage has electrolyte；When reaction, the first electrode is placed in the second electrode in the reaction chamber, and electrolyte is pressed into the reaction chamber by the press member.The utility model stores electrolyte using separate space, while in the way of being pressed into or detaching being pressed into or detaching conversion zone electrolyte, realizes the quick control of reaction.The utility model is skillfully constructed, reasonable for structure, highly practical, meets the requirement of new energy development, while carrying convenient for people, power generation is efficiently timely, is convenient for large-scale promotion application.
Description
Technical field
The utility model is related to fuel cell more particularly to a kind of portable air fuel cells.
Background technology
Fuel cell is the novel battery that chemical energy is converted directly into electric energy and thermal energy, it is different from conventional batteries it
It is in as long as having fuel and oxidant supply, having the output of continual electric power.It is because having energy conversion efficiency
It is high, pollution-free, start fast, battery life is long, specific power and it is higher than energy the advantages that, and in stationary power generation system, live electricity consumption
Have broad application prospects in terms of source, distributed generation resource, spacecraft power supply and power supply used for vehicle.With conventional batteries phase
Than the energy of fuel cell at least wants 10 times high.
Especially air-fuel battery, anode use metal such as Al alloys andMg alloys, electrolyte are added, anode is with cathode in sky
Fast reaction generates electricity in gas, has the characteristics that power generation is rapidly and efficiently lasting；But previous air-fuel battery is unable to control reaction,
That is there are when electrolyte, reaction will carry out two interpolars, and for portable battery, people can not easily realize just to be sent out in demand
Electricity, and terminate to generate electricity when without generating electricity；In traditional structure, have in such a way that electrolyte pours into when in use, but for family
When outer or out using, need in addition to carry electrolyte, it is not only not easy to store, while using trouble, it is unfavorable for carrying；Also it adopts
With the mode for being inserted into electrode, even if the used time immerses electrode in electrolyte, without using when electrode is detached from electrolyte, but it is such
Structure size is big, needs reserved electrode movement space big, is unfavorable for miniaturization and the portability of battery structure.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of portable air fuel cell,
Electrolyte is stored using separate space, while electrolyte being pressed into or detaching conversion zone in the way of being pressed into or detaching, is realized
The quick control of reaction.
The utility model provides a kind of portable air fuel cell, including cavity, first electrode, second electrode, pressure portion
Part；Electrode outlet line is separately connected the first electrode and the second electrode；Several reaction chambers, liquid storage are equipped in the cavity
Chamber；The liquid storage chamber is connected to the reaction chamber bottom；The liquid storage intracavitary storage has electrolyte；When reaction, first electricity
Pole is placed in the second electrode in the reaction chamber, and electrolyte is pressed into the reaction chamber by the press member.
Further, the press member is pneumatic shuttle；The pneumatic shuttle is connected to the liquid storage chamber；The air pressure
Electrolyte is pressed into the reaction chamber by device pressurization in the liquid level of electrolyte of the liquid storage chamber；The pneumatic shuttle
Decompression forms negative pressure, and electrolyte is pushed back to the liquid storage intracavitary.
Further, the press member is piston portable pillar；The piston portion of the piston portable pillar and the liquid storage chamber
Inner wall sealing coordinates；The piston portion is along liquid level of electrolyte up-and-down motion, indentation or pumpback electrolyte.
Further, the first electrode is cell cathode；The second electrode is galvanic anode；The first electrode electricity
Second electrode electrochemical reaction face described in the face of chemical reaction face；First electrode electrochemical reaction face area is less than described the
Two electrode electro Chemical reaction surface areas.
Further, the first electrode is galvanic anode；The second electrode is cell cathode；The first electrode electricity
Second electrode electrochemical reaction face described in the face of chemical reaction face；First electrode electrochemical reaction face area is less than described the
Two electrode electro Chemical reaction surface areas.
Further, the second electrode is installed on the outer pars intramuralis of the cavity；The outer wall is equipped with deflector hole；It is empty
Gas contacts the second electrode through the deflector hole；Electrolyte contacts the second electrode through the deflector hole；Second electricity
Pole seals the outer wall.
Further, the liquid storage chamber cross-sectional shape is triangle or rectangle shape or pentagon or hexagon or octagon
Or round or ellipse.
Further, the cross-sectional shape of the outer wall of the cavity be triangle or rectangle shape or pentagon or hexagon or
Octagon or round or ellipse.
Further, the liquid storage chamber is located at the middle part of the cavity.
Further, the cross-sectional shape of the outer wall of the cavity is circle；The liquid storage chamber cross-sectional shape is circle；
The quantity of the reaction chamber is six.
Further, first electrode electrochemical reaction face and second electrode electrochemical reaction face are arc surface.
Further, the portable air fuel cell further includes electrode mounting plate.
Further, the electrode mounting plate is equipped with electrode fitting groove；The first electrode is fixedly installed in the electricity
In the mounting groove of pole；The portable air fuel cell further includes cover board, electrode sealing plate；The electrode sealing plate is installed on described
On electrode mounting plate；The electrode sealing plate seals the first electrode；The cover board is installed on the electrode sealing plate.
Further, it is additionally provided with the first positioning region on the electrode mounting plate；The cavity is equipped with the second positioning region；It is logical
First positioning region is crossed with second positioning region to coordinate the electrode mounting plate and the cavity location and installation.
Further, it is equipped with liquid control switch at the liquid storage chamber and the communicating passage of the reaction chamber.
Further, further include output interface, control circuit, the electrode outlet line connection control circuit；It is described
Control circuit is connect with the output interface；The control circuit controls the power supply output of the output interface.
Compared with prior art, the beneficial effects of the utility model are：
The utility model provides a kind of portable air fuel cell, including cavity, first electrode, second electrode, pressure portion
Part；Electrode outlet line is separately connected the first electrode and the second electrode；Several reaction chambers, liquid storage are equipped in the cavity
Chamber；The liquid storage chamber is connected to the reaction chamber bottom；The liquid storage intracavitary storage has electrolyte；When reaction, first electricity
Pole is placed in the second electrode in the reaction chamber, and electrolyte is pressed into the reaction chamber by the press member.This reality
Electrolyte is stored using separate space with novel, while electrolyte is pressed into or is detached reaction zone in the way of being pressed into or detaching
The quickly and efficiently control of reaction is realized in domain.The utility model is skillfully constructed, compact-sized reasonable, highly practical, meets new energy
The requirement of source development and product trend toward miniaturization, while being carried convenient for people, power generation is efficiently timely, is answered convenient for large-scale promotion
With.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and can be implemented in accordance with the contents of the specification, below on the preferred embodiment of the present invention and the accompanying drawings in detail
It describes in detail bright as after.Specific embodiment of the present utility model is shown in detail by following embodiment and its attached drawing.
Description of the drawings
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
The exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the improper of the utility model
It limits.In the accompanying drawings：
Fig. 1 is a kind of portable air fuel cell overall structure diagram of the utility model；
Fig. 2 is a kind of portable air fuel cell decomposition texture schematic diagram one of the utility model；
Fig. 3 is a kind of portable air fuel cell decomposition texture schematic diagram two of the utility model；
Fig. 4 is a kind of cross section view of the vertical level of portable air fuel cell of the utility model.
In figure：Cavity 1, outer wall 11, the second positioning region 12, liquid storage chamber 13, reaction chamber 14, communicating passage 15, electrode installation
Plate 2, the first positioning region 21, electrode fitting groove 22, press member 3, piston portion 31, first electrode 5, electrode sealing plate 6.
Specific implementation mode
In the following, in conjunction with attached drawing and specific implementation mode, the utility model is described further, it should be noted that
Under the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new
Embodiment.
A kind of portable air fuel cell, as Figure 1-Figure 4, including cavity 1, first electrode 5, second electrode, pressure
Component 3；Electrode outlet line (not shown) is separately connected first electrode 5 and second electrode；14 He of several reaction chambers is equipped in cavity 1
At least one liquid storage chamber 13；Liquid storage chamber 13 is connected to 14 bottom of reaction chamber；13 memory of liquid storage chamber is placed with electrolyte；When reaction, the
One electrode 5 is placed in second electrode in reaction chamber 14, and electrolyte is pressed into from liquid storage chamber 13 to reaction chamber 14 by press member 3.
Liquid storage chamber 13 and the independent design of reaction chamber 14 in cavity 1 make inside battery structure overall compact, are conducive to the small of battery
Type and portability.Usually, portable air fuel cell further includes output interface, control circuit, electrode outlet line connection control
Circuit processed；Control circuit is connect with output interface；Control circuit controls the power supply output of output interface, it is ensured that cell output voltage
With the stabilization of electric current.
In one embodiment, press member 3 is pneumatic shuttle；Pneumatic shuttle is connected to liquid storage chamber 13；Pneumatic shuttle is pressurized
Electrolyte is pressed into reaction chamber 14 by the liquid level of electrolyte for acting on liquid storage chamber 13；Pneumatic shuttle depressurizes to form negative pressure, electrolysis
Liquid is pushed back to liquid storage chamber 13.Specifically, pneumatic shuttle can be mechanical air extractor or the electrodynamic type of manually calming the anger
Air pump, formed to the pressure change of liquid level of electrolyte using the variation of air pressure, when free state, liquid storage chamber 13 and reaction chamber 14
Levels pressure it is identical, level height is consistent, pneumatic shuttle work after, liquid storage chamber 13 and the levels pressure of reaction chamber 14 become
Change, for the pressure balance for seeking new, liquid storage chamber 13 and the horizontal liquid level height of reaction chamber 14 change, and reach electrolyte indentation
Or the purpose of reaction chamber 14 is detached, electrolyte is dipped into first electrode 5 with after second electrode, and air-fuel battery starts to react, hair
Go out electricity.
In one embodiment, as shown in Figure 2, Figure 4 shows, press member 3 is piston portable pillar；The piston portion 31 of piston portable pillar
Coordinate with 13 inner wall sealing of liquid storage chamber；Piston portion 31 is electrolysed along with liquid level of electrolyte up-and-down motion, indentation or pumpback
Liquid；Usually, a certain amount of gas may be present between piston portion 31 and the liquid level of liquid storage chamber 13, can also vacuumize completely, pass through work
Fill in the indentation or pumpback of the reciprocating motion control electrolyte of portable pillar.
In one embodiment, first electrode 5 is cell cathode；Second electrode is galvanic anode；5 electrochemistry of first electrode is anti-
Answer face face second electrode electrochemical reaction face；5 electrochemical reaction face area of first electrode is less than second electrode electrochemical reaction
Face area；I.e. cell cathode is more leaned on respect to galvanic anode into 14 inner wall of 1 center of cavity or reaction chamber, and cell cathode is close to instead at this time
It answers 14 inner wall of chamber, 14 inner wall of reaction chamber to be provided with several stomatas contacted with cell cathode, outside air and gas is connected by air flue
Hole.
In one embodiment, first electrode 5 is galvanic anode；Second electrode is cell cathode；5 electrochemistry of first electrode is anti-
Answer face face second electrode electrochemical reaction face；5 electrochemical reaction face area of first electrode is less than second electrode circular arc electrochemistry
Reaction surface area；I.e. galvanic anode is more leaned on into 14 inner wall of 1 center of cavity or reaction chamber with respect to cell cathode, and galvanic anode is tight at this time
14 inner wall of reaction chamber is pasted, as Figure 1-Figure 4, second electrode, that is, cell cathode is installed on inside the outer wall 11 of cavity 1；Outer wall 11
It is equipped with deflector hole；Air contacts second electrode, that is, cell cathode through deflector hole；Electrolyte contacts second electrode through deflector hole
Cell cathode；Second electrode, that is, cell cathode seals outer wall 11.
In one embodiment, 13 cross-sectional shape of liquid storage chamber is triangle or rectangle or pentagon or hexagon or octagon
Or round or ellipse, the cross-sectional shape of the outer wall 11 of cavity 1 is triangle or rectangle or pentagon or hexagon or eight sides
Shape or round or ellipse；It should be appreciated that the cross-sectional shape of cavity 1 and the cross-sectional shape of liquid storage chamber 13 are not limited to above-mentioned shape
Shape can also be other shapes.
In one embodiment, as shown in figure 3, liquid storage chamber 13 is located at the middle part of cavity 1；The cross section of the outer wall 11 of cavity 1
Shape is circle；13 cross-sectional shape of liquid storage chamber is circle；The quantity of reaction chamber 14 is six, and six reaction chambers, 14 ring
It is distributed in the periphery of liquid storage chamber 13, such structure makes entire portable air fuel cell structure compact, and size is obviously reduced, and is conducive to
Product minimizes, and easy to carry；At this point, 5 electrochemical reaction face of first electrode is circular arc with second electrode electrochemical reaction face
Face, electrolyte are pressed into 5 electrochemical reaction arc surface of first electrode and second electrode electrochemical reaction arc surface through press member 3
Between, it is reacted.In other embodiments, the reaction chamber 14 also can be only one, two or more, the liquid storage chamber 13
It can be two or more.
In one embodiment, for convenience of the installation of first electrode 5, portable air fuel cell further includes electrode mounting plate 2；
Electrode mounting plate 2 is equipped with electrode fitting groove 22；First electrode 5 is fixedly installed in electrode fitting groove 22.Such as Fig. 2, Fig. 3 institute
Show, 6 first electrode 5 (galvanic anode) fixations are assigned in the electrode fitting groove 22 of electrode mounting plate 2；For convenience of first electrode
5 (galvanic anodes) installation positions, and the first positioning region 21 is additionally provided on electrode mounting plate 2；Cavity 1 is equipped with the second positioning region 12；
Coordinated electrode mounting plate 2 and 1 location and installation of cavity by the first positioning region 21 and the second positioning region 12；In general, first is fixed
One of in position portion 21 and the second positioning region 12 respectively positioning protrusion or positioning groove, grafting positioning is formed, it is accurate fixed
The position of position first electrode 5 (galvanic anode) and second electrode, makes electrochemical reaction efficiently carry out, certainly, in other embodiment
Both middle protrusion and the mating mode of groove may be replaced by snapping connection, any to realize the two installation cooperation
Mode is accordingly to be regarded as the equivalent way of the present embodiment.
In one embodiment, integral to seal battery structure, as Figure 1-Figure 4, portable air fuel cell
Further include cover board 4, electrode sealing plate 6；Electrode sealing plate 6 is installed on electrode mounting plate 2；First electricity of the sealing of electrode sealing plate 6
Pole 5；Cover board 4 is installed on electrode sealing plate 6.In other embodiments, cover board 4 or electrode sealing plate 6 also can be only set, with letter
Change structure, saves material cost.
In one embodiment, as shown in figure 4, liquid storage chamber 13 is opened with liquid control is equipped at the communicating passage 15 of reaction chamber 14
It closes.The folding and closing that communicating passage 15 is controlled by liquid control switch are opened liquid control and are opened when needing battery to export
It closes, communicating passage 15 is connected to liquid storage chamber 13 and reaction chamber 14, and electrolyte is pressed into reaction chamber 14, electrochemical reaction by press member 3
Start, battery exports electric energy；When being exported without battery, press member 3 should be managed in electrolyte pumpback to liquid storage chamber 13
Solution, after pumpback, liquid control switch is closed, and communicating passage 15 is closed, and a certain amount of electrolyte can be also retained in reaction chamber 14, but
The liquid level of electrolyte is not enough to reach the liquid level of electrode reaction at this time, topples over even if battery occurs when carrying, electrolyte will not
Lead to electrode reaction in battery, while electrolyte leakage will not more occur for portable air fuel cell.
The utility model provides a kind of portable air fuel cell, including cavity, first electrode, second electrode, pressure portion
Part；Electrode outlet line is separately connected the first electrode and the second electrode；Equipped with several reaction chambers and extremely in the cavity
A few liquid storage chamber；The liquid storage chamber is connected to the reaction chamber bottom；The liquid storage intracavitary storage has electrolyte；When reaction,
The first electrode is placed in the second electrode in the reaction chamber, and electrolyte is pressed into the reaction by the press member
Intracavitary.The utility model stores electrolyte using liquid storage chamber as separate space, while will electrolysis in the way of being pressed into or detaching
Hydraulic pressure enters or detaches conversion zone, realizes the fast and effective control of reaction.The utility model is skillfully constructed, compact-sized reasonable,
It is highly practical, meet requirement and the product trend toward miniaturization of new energy development, is carried convenient for people, power generation is efficiently timely, is convenient for
Large-scale promotion application.
More than, the only preferred embodiment of the utility model not makees limit in any form to the utility model
System；The those of ordinary skill of all industry can be shown in by specification attached drawing and above and swimmingly implement the utility model；But
It is that all those skilled in the art are not departing within the scope of technical solutions of the utility model, utilizes disclosed above skill
Art content and the equivalent variations of a little variation, modification and evolution made, are the equivalent embodiment of the utility model；Meanwhile
All substantial technologicals according to the utility model to the variation, modification and evolution etc. of any equivalent variations made by above example,
Still fall within the protection domain of the technical solution of the utility model.
Claims (17)
1. a kind of portable air fuel cell, it is characterised in that：Including cavity, first electrode, second electrode, press member；Institute
First electrode is stated to be connect by electrode outlet line respectively with the second electrode；Reaction chamber and liquid storage chamber are equipped in the cavity；Institute
Liquid storage chamber is stated to be connected to the reaction chamber bottom；The liquid storage intracavitary storage has electrolyte；When reaction, the press member will be electric
Solution hydraulic pressure enters to the reaction chamber, and the first electrode is placed in the second electrode in the reaction chamber and by the electricity
It solves liquid and realizes electric connection.
2. a kind of portable air fuel cell as described in claim 1, it is characterised in that：The press member fills for air pressure
It sets；The pneumatic shuttle is connected to the liquid storage chamber；The pneumatic shuttle pressurization in the liquid level of electrolyte of the liquid storage chamber,
Electrolyte is pressed into the reaction chamber；The pneumatic shuttle depressurizes to form negative pressure, and electrolyte is pushed back to the liquid storage chamber
It is interior.
3. a kind of portable air fuel cell as described in claim 1, it is characterised in that：The press member is with piston
The piston portable pillar in portion；The piston portion of the piston portable pillar coordinates with liquid storage cavity wall sealing；The piston portion along with
Liquid level of electrolyte up-and-down motion, indentation or pumpback electrolyte.
4. a kind of portable air fuel cell as described in claim 1, it is characterised in that：The first electrode is that battery is cloudy
Pole；The second electrode is galvanic anode；Second electrode electrochemical reaction described in the face of first electrode electrochemical reaction face
Face；First electrode electrochemical reaction face area is less than second electrode electrochemical reaction face area.
5. a kind of portable air fuel cell as described in claim 1, it is characterised in that：The first electrode is battery sun
Pole；The second electrode is cell cathode；Second electrode electrochemical reaction described in the face of first electrode electrochemical reaction face
Face；First electrode electrochemical reaction face area is less than second electrode electrochemical reaction face area.
6. a kind of portable air fuel cell as claimed in claim 5, it is characterised in that：The second electrode is installed on described
The outer pars intramuralis of cavity；The outer wall is equipped with deflector hole；Air contacts the second electrode through the deflector hole；Electrolyte passes through
The deflector hole contacts the second electrode；The second electrode seals the outer wall.
7. a kind of portable air fuel cell as described in claim 1, it is characterised in that：The liquid storage chamber cross-sectional shape is
Triangle or rectangle or pentagon or hexagon or octagon or round or ellipse.
8. a kind of portable air fuel cell as described in claim 1, it is characterised in that：The cross section of the outer wall of the cavity
Shape is triangle or rectangle or pentagon or hexagon or octagon or round or ellipse.
9. a kind of portable air fuel cell as claimed in claim 6, it is characterised in that：The liquid storage chamber is located at the cavity
Middle part.
10. a kind of portable air fuel cell as claimed in claim 9, it is characterised in that：The outer wall of the cavity it is transversal
Face shape is circle；The liquid storage chamber cross-sectional shape is circle；The quantity of the reaction chamber is six.
11. a kind of portable air fuel cell as claimed in claim 10, it is characterised in that：Six reaction chambers are annularly distributed in
The periphery of liquid storage chamber.
12. a kind of portable air fuel cell as claimed in claim 10, it is characterised in that：The first electrode electrochemistry is anti-
It is arc surface to answer face and second electrode electrochemical reaction face.
13. a kind of portable air fuel cell as described in claim 1, it is characterised in that：It further include electrode mounting plate.
14. a kind of portable air fuel cell as claimed in claim 13, it is characterised in that：The electrode mounting plate is equipped with
Electrode fitting groove；The first electrode is fixedly installed in the electrode fitting groove；The portable air fuel cell further includes
Cover board and/or electrode sealing plate；The electrode sealing plate is installed on the electrode mounting plate；The electrode sealing plate seals institute
State first electrode；The cover board is installed on the electrode sealing plate.
15. a kind of portable air fuel cell as claimed in claim 13, it is characterised in that：It is also set on the electrode mounting plate
There is the first positioning region；The cavity is equipped with the second positioning region；Coordinated by first positioning region and second positioning region
By the electrode mounting plate and the cavity location and installation.
16. a kind of portable air fuel cell as described in claim 1, it is characterised in that：The liquid storage chamber is reacted with described
Liquid control switch is equipped at the communicating passage of chamber.
17. a kind of portable air fuel cell as described in claim 1, it is characterised in that：Further include output interface, control electricity
Road, the electrode outlet line connect the control circuit；The control circuit is connect with the output interface；The control circuit
Control the power supply output of the output interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820070764.1U CN207994016U (en) | 2018-01-16 | 2018-01-16 | A kind of portable air fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820070764.1U CN207994016U (en) | 2018-01-16 | 2018-01-16 | A kind of portable air fuel cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207994016U true CN207994016U (en) | 2018-10-19 |
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ID=63819532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820070764.1U Active CN207994016U (en) | 2018-01-16 | 2018-01-16 | A kind of portable air fuel cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207994016U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108183289A (en) * | 2018-01-16 | 2018-06-19 | 苏州讴德新能源发展有限公司 | A kind of portable air fuel cell |
-
2018
- 2018-01-16 CN CN201820070764.1U patent/CN207994016U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108183289A (en) * | 2018-01-16 | 2018-06-19 | 苏州讴德新能源发展有限公司 | A kind of portable air fuel cell |
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