CN109088130A - Three-pole zinc/air fuel cell - Google Patents
Three-pole zinc/air fuel cell Download PDFInfo
- Publication number
- CN109088130A CN109088130A CN201710448689.8A CN201710448689A CN109088130A CN 109088130 A CN109088130 A CN 109088130A CN 201710448689 A CN201710448689 A CN 201710448689A CN 109088130 A CN109088130 A CN 109088130A
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- China
- Prior art keywords
- zinc
- fuel cell
- layer
- air fuel
- pole
- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M12/00—Hybrid cells; Manufacture thereof
- H01M12/08—Hybrid cells; Manufacture thereof composed of a half-cell of a fuel-cell type and a half-cell of the secondary-cell type
-
- 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
- H01M8/04186—Arrangements for control of reactant parameters, e.g. pressure or concentration of liquid-charged or electrolyte-charged reactants
-
- 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
-
- 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 invention discloses a kind of three-pole zinc/air fuel cells, include: shell, air electrode, metal layer, Zinc material, membrane layer and electrolyte, and air electrode is as the electric discharge anode in chemical exoelectrical reaction；Metal layer is as the charging anode in chemical charging reaction；Zinc material carries out chemical electric discharge as cooperation air electrode layer or complexed metal layer carries out the cathode of chemical charging；Electrolyte to be electrically connected with each other between air electrode, metal layer and Zinc material；Air electrode, metal layer, Zinc material can be separated for membrane layer and electrolysis liquid is circulated through, electrolyte is changed in the height in accommodating space by input or output action, so that the structure that electrolyte can touch is different, and then change unlatching, the closing, charge or discharge state of three-pole zinc/air fuel cell provided by the invention.
Description
Technical field
The present invention carries out the fuel cell of redox reaction about a kind of Zinc material and air, espespecially a kind of to have simultaneously
Electrolyte and Zinc material are had as reaction raw material, and can electrically be connected by three pole connectors and other external electrical products
The zinc/air fuel cell connect.
Background technique
Chemical energy directly can be changed into electric energy by fuel cell, and fuel cell has highdensity during production capacity
Energy, energy be with electric energy caused by the potential difference between positive and negative anodes, while it is almost pollution-free to environment, it is therefore, academic
Boundary, industrial circle all put into the research field of fuel cell, it is desirable to be able to short for Global Carbon (petrochemical industry) discharge cycle phenomenon, the energy
It lacks and the harm such as environmental pollution has revolutionary improvement.
The inside of existing zinc/air fuel cell (Zinc-Air Fuel Cell, ZAFC) is by air electricity mostly
Pole, a zinc anode, a liquid storage space and an electrolyte are constituted, since air electrode and zinc anode are directly soaked in electrolyte
In, standing put without using either using the time it is permanent under, will cause the polarization of zinc anode, passivation and surface dendrite
The situations such as growth, therefore zinc anode is caused fast erosion, the battery performance reduction of zinc/air fuel cell, electrolyte further occur
Acidification and shorten the adverse effect such as battery life.
Summary of the invention
It is a primary object of the present invention to three-pole zinc/air fuel cell provided by the invention is put not by placement
When use state, it can be extracted by anolyte portion therein or completely, further avoid two anode structure therein and electrolysis
Liquid contact so that chemistry electricity production reaction will not occur, while avoiding two positive or negative pole structures from being corroded or surface dissociation
Situations such as occur, and reach and extend the battery time limit and battery life that can put.
Secondary objective of the invention is, designs a kind of zinc/air fuel cell with three-pole electrode, the three-pole
There are two anode and a cathode for electrode tool, so that the chemistry that single battery itself can be collected charge or discharge is anti-
It answers.
Another object of the present invention is to, while Zinc material and electrolyte are used, and zinc material is conveyed by conveying device
Material and both electrolyte or in which one of input or be output in three-pole zinc/air fuel cell provided by the invention, facilitate zinc
Material either electrolyte is able to carry out replacement and updates.
For up to the purpose, three-pole zinc/air fuel cell provided by the invention, include: a shell, inside are formed with
One accommodating space；One air electrode layer, as the electric discharge anode in a chemical exoelectrical reaction；One metal layer is filled as a chemistry
Charging anode in electricity reaction；One Zinc material carries out the cathode of chemical electric discharge as a cooperation air electrode layer or matches
Close the cathode that the metal layer carries out chemical charging；Multiple membrane layers are respectively arranged at the air electrode layer and metal layer
Between, so that the air electrode layer, Zinc material and metal layer three interval row set；And an electrolyte, the air electricity
Pole layer, metal layer, Zinc material, membrane layer and the electrolyte are all set in the accommodating space and can pass through the diaphragm
Laminar flow is logical, contacts with each other with the air electrode layer, metal layer and Zinc material so that the air electrode layer, metal layer with
And Zinc material is electrically connected with each other.
Wherein, in a preferable possible embodiments, the metal layer is set as a stainless steel layer being made of stainless steel material.
Moreover, the three-pole zinc/air fuel cell further includes a conductive layer, the conductive layer is installed on described
In accommodating space and with the Zinc material adjacent contact, at least one preferable possible embodiments, the conductive layer is set as by copper
Or one of nickel metal material is made.
One of which of the Zinc material selected from flowable zinc mud, zinc sand or zine plate, selects different Zinc materials
When, the corresponding conductive layer being used cooperatively is different:
When the Zinc material selects zinc mud, the conductive layer has a middle section and peripheral region, the center
The position in region is lower than the peripheral region and forms a recess.
When the Zinc material selects zinc sand, the conductive layer is set as a flat plate.
When the Zinc material selects zine plate, then conductive layer need not be cooperated to use, described zine plate itself can be by electric current
Export substitutes the conductive coating structure in other embodiments.
In addition, if to put plane as horizontal reference, the arrangement of the air electrode layer, metal layer and Zinc material three
A vertical arrangement, the transversely arranged difference put with existing vertical type is presented in direction.
In addition, in a preferable possible embodiments, sortord in structure are as follows: the air electrode layer is located at top,
The Zinc material is located at bottommost, and the metal layer is between the air electrode layer and Zinc material layer, the conductive layer position
Under the Zinc material.
The shell includes the first shell and a second shell being mutually assembled, and by the first shell, group is connect respectively
The air electrode layer, metal layer and membrane layer are positioned, the second shell group connects the positioning conductive layer, the first shell
Body is arranged into the second shell.
The three-pole zinc/air fuel cell further includes a conveying device, and the conveying device is connected to the appearance
Between emptying and the electrolyte can be exported or be inputted, and then changes the height and position of electrolyte in the accommodating space, is passed through
Change the internal structure that the total amount in electrolyte portion in the accommodating space can be touched with liquid height, and then described in avoiding
Contacted with liquid positioned at certain height with the structure of position is arranged in accommodating space and avoid generation specific structure corroded or
It is surface dissociation.
By preceding description it is found that present invention is characterized in that the present invention is with Zinc material as cathode, air electrode layer and gold
Belong to layer respectively as anode, two anodes and cathode collectively constitute the three-pole electrode in zinc/air fuel cell.
In addition, changing the total capacity and liquid level of electrolyte by the conveying device for being connected to accommodating space, and then reach
When idle put is not used in three-pole zinc/air fuel cell provided by the invention, the electrolyte of the overwhelming majority can be extracted out
In accommodating space, the structure and electrolyte contacts inside accommodating space are avoided, three-pole zinc provided by the invention can be avoided
Air-fuel battery occur one electric discharge or charging reaction, while avoid occur accommodating space in structure corroded or surface solution
From situations such as, be finally reached the time limit and use the longevity for extending that three-pole zinc/air fuel cell provided by the invention can be put
Life.
Detailed description of the invention
Fig. 1 is the perspective view of the first preferred embodiment of three-pole zinc/air fuel cell；
Fig. 2 is the exploded view of Fig. 1；
Fig. 3 is the diagrammatic cross-section of Fig. 1；
Fig. 4 is the diagrammatic cross-section of the first preferred embodiment of the liquid level of electrolyte；
Fig. 5 is the diagrammatic cross-section of the second preferred embodiment of the liquid level of electrolyte；
Fig. 6 is the schematic diagram of the third preferred embodiment of the liquid level of electrolyte；
Fig. 7 is the diagrammatic cross-section of the second preferred embodiment of three-pole zinc/air fuel cell；
Fig. 8 is the diagrammatic cross-section of the third preferred embodiment of three-pole zinc/air fuel cell；
Fig. 9 is the perspective view of the cell apparatus of multiple three-pole zinc/air fuel cells composition.
Description of symbols: 1--- three-pole zinc/air fuel cell；2--- shell；20--- first shell；21---
Two shells；22--- accommodating space；3--- air electrode layer；The area the first Jie electricity of 30---；4--- metal layer；40--- stainless steel layer；
The area the second Jie electricity of 41---；5--- Zinc material；50--- zinc mud；51--- zinc sand；52--- zine plate；6--- membrane layer；7--- electrolysis
Liquid；8--- conductive layer；80--- metalwork；81--- middle section；The peripheral region 82---；The area 83--- third Jie electricity；9--- is defeated
Send device；A--- discharge connector；B--- charging connector；C--- anode connector；I--- input adapter；O--- out splice going splice.
Specific embodiment
For convenient for further to construction of the invention, use and its feature have deeper one layer clear, full and accurate understanding with
Understand, hence enumerate preferred embodiment, detailed description are as follows for cooperation diagram:
It please refers to shown in Fig. 1 to Fig. 6, is that the first of three-pole zinc/air fuel cell 1 provided by the invention preferably may
Embodiment, mainly by a shell 2, an air electrode layer 3, a metal layer 4, a Zinc material 5, multiple membrane layers 6, an electrolyte 7
And the totally seven most of structure composition of conductive layer 8.
The shell 2 includes a first shell 20 and a second shell 21, by the first shell 20 and second shell
21 be jointly arranged engaging formed an accommodating space 22, and the air electrode layer 3, metal layer 4, Zinc material 5, electrolyte 7 with
And conductive layer 8 is all arranged in the accommodating space 22, and sequentially setting is arranged as one relative to the level of putting according to this
The vertical direction in face, 20 groups of the first shell connect the positioning air electrode layer 3, metal layer 4 and membrane layer 6, and described the
Two 21 groups of shells connect the positioning conductive layer 8.
There are three be able to three-pole zinc/air fuel cell 1 provided by the invention the surface structure of the shell 2
Produce electricity the discharge connector A, charging connector B and anode connector C that can be exported and import, wherein 3 conduct of air electrode layer
Electric discharge anode in one chemical exoelectrical reaction, and there is first area Jie electricity 30 extended to form by itself, the air electrode
Floor 3 is connected to the discharge connector A by the first area Jie electricity 30.
The metal layer 4 as in a chemical charging reaction charging anode and extended to form with one by itself second
The area Jie electricity 41, the metal layer 4 are connected to the charging connector B by the second area Jie electricity 41.
The Zinc material 5 can simultaneously or separately carry out the cathode of chemical electric discharge as a cooperation air electrode layer 3
Or the cooperation metal layer 4 carries out the cathode of chemical charging, and the conductive layer 8 has one to be connect by the third that itself is extended to form
Electric area 83, the Zinc material 5 are connected to the anode connector C by the area the third Jie electricity 83；Moreover, the anode connector C
Relative position between the discharge connector A and charging connector B.
In addition, the surface structure of the shell 2 has an input adapter I (INPUT) and out splice going splice O (OUTPUT),
And the accommodating space 22, the conveying device 9 can be connected to by the conveying device 9 outside described two connectors I, O and one
The Zinc material 5 or electrolyte 7 can be inputted or be output in three-pole zinc/air fuel cell 1 provided by the invention, due to
The electrolyte 7 can pass through and circulate in the membrane layer 6, and the structure inside the accommodating space 22 is reached each other
To the effect of being electrically connected with each other, thus by the conveying device 9 change the electrolyte 7 overall accumulated amount and distribution liquid it is high
Degree can close three-pole zinc/air fuel cell 1 provided by the invention and form a closed state OFF, or adjustment liquid
Face height to be electrically connected between specified structure and reach a starting state ON, and censures and open in description of the invention
There are three types of situations for dynamic state ON tool, and detailed description will be distinguished in other schemas and embodiment.
In addition, please connect referring to shown in Fig. 2 and Fig. 3, icon is shown in the accommodating space 22, the air electrode layer
3 are located at top, connect and separate the air electrode layer 3, metal layer 4 and conductive layer 8 each other for two membrane layers 6
Come, the position distribution of the Zinc material 5 is between the membrane layer 6 and conductive layer 8, in a preferable feasible implementation of the invention
In example, the metal layer 4 is set as a stainless steel layer 40, and the conductive layer 8 is made of the metalwork 80 of a presentation en plaque, institute
Zinc material 5 is stated in the first preferable possible embodiments shown in Fig. 1 to Fig. 6 of the present invention, is set as a flowable zinc mud 50, is such as schemed
Shown, the metalwork 80 has a middle section 81 and peripheral region 82, and the middle section 81 is lower than the peripheral region
Domain 82 simultaneously forms a recess, is detained by the recess for the zinc mud 50, defeated so as to avoid the conveying device 9 from carrying out
During entering or exporting the electrolyte 7, the zinc mud 50 can change its distributing position or together with 7 quilt of electrolyte
It sucks in the conveying device 9.
Shown in referring to figure 3., the electrolyte 7 is distributed on the zinc mud 50, and the liquid level of the electrolyte 7
Height and position is just equal to or just penetrates in the position of the membrane layer 6, and such air electrode layer 3 and metal layer 4 be not all electrical
It is connected to the zinc mud 50, therefore, three-pole zinc/air fuel cell 1 provided by the invention is rendered as a closed state in Fig. 3
OFF。
Shown in referring to figure 4., the liquid level height and position of the electrolyte 7 is only covered on the zinc mud 50, such as
This air electrode layer 3 and metal layer 4 are not all electrically connected at the zinc mud 50, not can be carried out any electrochemical reaction, therefore, figure
Three-pole zinc/air fuel cell 1 provided by the invention is rendered as a closed state OFF in 4.
Shown in referring to figure 5., the liquid level height and position of the electrolyte 7 is covered in the metal layer 4, membrane layer 6
And on zinc mud 50, it is able to carry out the chemical reaction of charging, therefore, three-pole zinc air fuel provided by the invention in Fig. 5
Battery 1 is rendered as a starting state ON；In contrast, if the design position of the air electrode layer 3 and metal layer 4 is exchanged,
The electrolyte 7 will be covered on the air electrode layer 3, membrane layer 6 and zinc mud 50, and the chemistry for being able to carry out electric discharge is anti-
It answers, three-pole zinc/air fuel cell 1 provided by the invention is similarly enabled to be rendered as a starting state ON (not shown).
It please refers to shown in Fig. 6, the liquid level height and position of the electrolyte 7, which is covered in the accommodating space 22, to be owned
Structure, the chemical reaction that can be charged and be discharged simultaneously, therefore, three-pole zinc air combustion provided by the invention in Fig. 6
Material battery 1 is rendered as a starting state ON.
It is that the second of three-pole zinc/air fuel cell 1 provided by the invention is preferable in addition, please connect referring to shown in Fig. 7
Possible embodiments, the present embodiment and the aforementioned first preferable possible embodiments the difference is that, the Zinc material 5 is set as a zinc sand
51, and the metalwork 80 of the conductive layer 8 is rendered as a flat plate, since the zinc sand 51 can't be with the electrolyte 7
Pump and change position, therefore in the present embodiment conductive layer 8 need not setting one concave shape, other with aforementioned first preferably it is feasible
The identical technical characteristic of embodiment is just not repeated here.
In addition to this, it please refers to shown in Fig. 8, is that the third of three-pole zinc/air fuel cell 1 provided by the invention is preferable
Possible embodiments, the present embodiment and the aforementioned first, second preferable possible embodiments the difference is that, the Zinc material 5 is set as
One zine plate 52 is thus just not necessarily to the structure of the conductive layer 8 in the present embodiment, other preferably may be used with aforementioned first, second
The identical technical characteristic of row embodiment is just not repeated here.
Finally, please refer to shown in Fig. 9, for will be between multiple three-pole zinc/air fuel cells 1 provided by the invention
The combination that mutually overlaps forms the possibility pattern of a relatively large three-pole zinc/air fuel cell device.
Described above to be merely exemplary for the purpose of the present invention, and not restrictive, those of ordinary skill in the art understand,
Without departing from the spirit and scope defined by the claims, can many modifications may be made, variation or equivalent, but will all fall
Enter within protection scope of the present invention.
Claims (10)
1. a kind of three-pole zinc/air fuel cell, characterized by comprising:
One shell, inside are formed with an accommodating space；
One air electrode layer is installed in the accommodating space, as the electric discharge anode in a chemical exoelectrical reaction；
One metal layer is installed in the accommodating space, as the charging anode in a chemical charging reaction；
One Zinc material is set in the accommodating space, and the cathode of chemical electric discharge is carried out as a cooperation air electrode layer
Or the cooperation metal layer carries out the cathode of chemical charging；
Multiple membrane layers are respectively arranged between the air electrode layer and metal layer, so that the air electrode layer, zinc material
Material and metal layer three interval row set；And
One electrolyte is set in the accommodating space and can pass through the membrane layer and circulate, with the air electrode layer, gold
Belong to layer and Zinc material contacts with each other, so that the air electrode layer, metal layer and Zinc material are electrically connected with each other.
2. three-pole zinc/air fuel cell according to claim 1, it is characterised in that: the three-pole zinc air fuel
Battery further includes a conductive layer, the conductive layer be installed in the accommodating space and with the Zinc material adjacent contact.
3. three-pole zinc/air fuel cell according to claim 2, it is characterised in that: the conductive layer has a center
Region and peripheral region, the middle section is lower than the peripheral region and forms a recess.
4. three-pole zinc/air fuel cell according to claim 3, it is characterised in that: the Zinc material is selected from can
The one of which of the zinc mud of flowing, zinc sand or zine plate.
5. three-pole zinc/air fuel cell according to claim 1, it is characterised in that: the air electrode layer, metal
A vertical arrangement is presented in the orientation of layer and Zinc material three.
6. three-pole zinc/air fuel cell according to claim 5, it is characterised in that: the air electrode layer is located at most
Top, the Zinc material are located at bottommost, and the metal layer is between the air electrode layer and Zinc material layer.
7. three-pole zinc/air fuel cell according to claim 2, it is characterised in that: the shell includes to be mutually assembled
A first shell and a second shell, the first shell group connects the positioning air electrode layer, metal layer and diaphragm
Layer, the second shell group connect the positioning conductive layer.
8. three-pole zinc/air fuel cell according to claim 1, it is characterised in that: the three-pole zinc air fuel
Battery further includes a conveying device, and the conveying device is connected to the accommodating space and can export or input the electricity
Liquid is solved, and then changes the height and position of electrolyte in the accommodating space.
9. three-pole zinc/air fuel cell according to claim 1, it is characterised in that: the height and position of the electrolyte
When contacting the air electrode layer, metal layer and Zinc material three at the same time, the zinc/air fuel cell is presented one can be into
The starting state of row exoelectrical reaction or charging reaction；The height and position of the electrolyte contact at the same time the air electrode layer with
When both Zinc materials, a starting state for being able to carry out exoelectrical reaction is presented in the zinc/air fuel cell；The electrolyte
When height and position contacts both the metal layer and Zinc material at the same time, the zinc/air fuel cell, which is presented one and is able to carry out, to be filled
The starting state of electricity reaction；One of the air electrode layer, metal layer and Zinc material are individually contacted in the electrolyte
When, a closed state that can not be chemically reacted will be presented in the zinc/air fuel cell.
10. three-pole zinc/air fuel cell according to claim 1, it is characterised in that: the electric discharge anode, charging are just
Pole and cathode three are respectively formed a discharge connector, a charging connector and an anode connector, institute in the surface of the shell
Anode connector is stated between the discharge connector and charging connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710448689.8A CN109088130A (en) | 2017-06-14 | 2017-06-14 | Three-pole zinc/air fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710448689.8A CN109088130A (en) | 2017-06-14 | 2017-06-14 | Three-pole zinc/air fuel cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109088130A true CN109088130A (en) | 2018-12-25 |
Family
ID=64838887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710448689.8A Pending CN109088130A (en) | 2017-06-14 | 2017-06-14 | Three-pole zinc/air fuel cell |
Country Status (1)
| Country | Link |
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| CN (1) | CN109088130A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021146359A1 (en) * | 2020-01-15 | 2021-07-22 | Chen rong jie | Fuel cell with multiple electric connectors |
| TWI832138B (en) * | 2021-01-14 | 2024-02-11 | 三鈦工業有限公司 | Fuel cell with multiple electric connectors |
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| CN105830276A (en) * | 2013-12-19 | 2016-08-03 | 日产自动车株式会社 | Electrode structure, air cell, and air cell stack |
| US20160261012A1 (en) * | 2009-12-14 | 2016-09-08 | Phinergy Ltd | Zinc-air battery |
| CN106030899A (en) * | 2015-03-04 | 2016-10-12 | 陈忠伟 | Tri-electrode zinc-air battery with flowing electrolyte |
| CN207069029U (en) * | 2017-06-14 | 2018-03-02 | 有生科技有限公司 | Three-pole zinc/air fuel cell |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1341283A (en) * | 1999-02-26 | 2002-03-20 | 瑞威殴公司 | Solid gel membrane |
| CN101536211A (en) * | 2006-11-01 | 2009-09-16 | 永备电池有限公司 | Alkaline electrochemical cell with reduced gassing |
| US20160261012A1 (en) * | 2009-12-14 | 2016-09-08 | Phinergy Ltd | Zinc-air battery |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021146359A1 (en) * | 2020-01-15 | 2021-07-22 | Chen rong jie | Fuel cell with multiple electric connectors |
| TWI832138B (en) * | 2021-01-14 | 2024-02-11 | 三鈦工業有限公司 | Fuel cell with multiple electric connectors |
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Application publication date: 20181225 |