CN108199063A - A kind of alkali anion membrane cell - Google Patents
A kind of alkali anion membrane cell Download PDFInfo
- Publication number
- CN108199063A CN108199063A CN201711465608.1A CN201711465608A CN108199063A CN 108199063 A CN108199063 A CN 108199063A CN 201711465608 A CN201711465608 A CN 201711465608A CN 108199063 A CN108199063 A CN 108199063A
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- cathode
- anode
- membrane cell
- support layer
- anion
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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
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1009—Fuel cells with solid electrolytes with one of the reactants being liquid, solid or liquid-charged
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Abstract
The present invention provides a kind of alkali anion membrane cell, including：The anode diffusion support layer of anode, supported catalyst；The cathode diffusion support layer of cathode, supported catalyst；Anion-exchange membrane between anode diffusion layer and cathode diffusion layer；Anode fuel is the solution containing hydrazine hydrate, and cathode oxidant is the solution containing hydrogen peroxide.In the present invention, by using the solution containing hydrazine hydrate as anode fuel, the solution containing hydrogen peroxide in the prior art using oxygen and hydrogen as the oxidant of battery and fuel, significantly reduces memory space as cathode oxidant；And since hydrazine hydrate has relatively low oxidation-reduction potential so that redox reaction carries out more abundant, improves the transformation efficiency of fuel；The Nafion membrane higher to the conductivity of the sodium ion in electrolyte solution is selected to further increase the open-circuit voltage of battery as amberplex so as to expand the use scope of fuel cell.
Description
Technical field
The present invention relates to field of fuel cell technology, in particular to a kind of alkali anion membrane cell.
Background technology
The world today, environmental pollution and energy shortage have become the two big killers for threatening human survival, therefore people are not
It is disconnected to seek a kind of new cleaning fuel substitution conventional fossil fuel.Battery be it is a kind of can be by the chemical energy Efficient Conversion in substance
For the device of electric energy, have many advantages, such as that principle is simple, clear in structure, therefore it is most possible substitution traditional fossil energy
One of novel cleaning device.As the big classification in battery, fuel cell has many advantages, such as that transformation efficiency is high, product is pollution-free
It is increasingly becoming the hot spot of people's research.Alkaline anion-exchange membrane fuel cell is a kind of combustion using alkaline membrane material as electrolyte
Expect battery, it has many advantages, such as that oxidation overpotential is low compared with other fuel cells, can use base metal as catalyst, therefore
It is concerned.
Alkaline anion-exchange membrane fuel cell uses the oxidant and combustion of oxygen and hydrogen as battery mostly at this stage
Material, product is that water is environmentally safe, but it is there is also certain drawbacks, since two kinds of substances are gaseous state, when in use
Usually they are stored in bomb, limits its use to a certain extent, simultaneously because hydrogen existing property in itself
Matter makes it be not easy to liquefy, and further makes its dangerous.The preparation of hydrogen at this stage is mostly using electrolysis water technology, in this way
The advantage of battery is not only largely reduced, also adds cost.
Invention content
In consideration of it, the present invention proposes a kind of alkali anion membrane cell, it is intended to solve in existing membrane cell
The problem of volume needed for fuel storage is larger.
On one side, the present invention proposes a kind of alkali anion membrane cell, including：Anode, supported catalyst
Anode diffusion support layer；The cathode diffusion support layer of cathode, supported catalyst；Expand positioned at the anode diffusion layer and the cathode
Dissipate the anion-exchange membrane between layer；Wherein, the anode fuel be the solution containing hydrazine hydrate, the cathode oxidant be containing
The solution of hydrogen oxide.
Further, in above-mentioned alkali anion membrane cell, the mass concentration of the hydrazine hydrate is 10%-20%.
Further, in above-mentioned alkali anion membrane cell, the molar ratio of the hydrazine hydrate and the lye is 1:
4。
Further, in above-mentioned alkali anion membrane cell, the lye is sodium hydroxide solution or potassium hydroxide
One or both of solution.
Further, in above-mentioned alkali anion membrane cell, the cathode oxidant is the mixed of hydrogen peroxide and alkali
Close solution.
Further, in above-mentioned alkali anion membrane cell, the anode diffusion support layer, cathode diffusion branch
It holds and membrane module is formed by heat pressing process between layer and anion-exchange membrane.
Further, in above-mentioned alkali anion membrane cell, the anion-exchange membrane is Nafion membrane, quaternary amine type
At least one in anion-exchange membrane, quaternary phosphonium type anion-exchange membrane, sulfenyl type anion-exchange membrane or organic-inorganic hybrid films
Kind.
Further, in above-mentioned alkali anion membrane cell, the anode diffusion support layer and cathode diffusion
The catalyst of support layer load includes transition metal element.
Further, in above-mentioned alkali anion membrane cell, the transition metal element is one kind in Ni and Co
Or two kinds.
Further, in above-mentioned alkali anion membrane cell, the anode diffusion supports that layer material is carbon paper；It is described
Cathode diffusion supports that layer material is carbon paper；The plate is stainless steel or graphite cake；The cathode plate for stainless steel or
Graphite cake.
Compared with prior art, alkali anion membrane cell provided by the invention, by using containing the molten of hydrazine hydrate
Liquid is as anode fuel, and the solution containing hydrogen peroxide is as cathode oxidant, relative in the prior art with oxygen and hydrogen work
For the oxidant and fuel of battery, memory space is significantly reduced；And since hydrazine hydrate has relatively low oxidation also
Former current potential so that redox reaction carries out more abundant, improves the transformation efficiency of fuel；It selects in electrolyte solution
Sodium ion the higher Nafion membrane of conductivity as amberplex, further increase the open-circuit voltage of battery, so as to
Expand the use scope of fuel cell.
On the other hand, the invention also provides a kind of alkali anion film fuel battery stack, including above-mentioned alkalinity it is cloudy from
Sub- membrane cell and electrical connection in-between.
Since alkali anion membrane cell has above-mentioned technique effect, so with alkali anion membrane fuel electricity
The alkali anion film fuel battery stack in pond also has corresponding technique effect.
Description of the drawings
By reading the detailed description of hereafter preferred embodiment, it is various other the advantages of and benefit it is common for this field
Technical staff will become clear.Attached drawing is only used for showing the purpose of preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings：
Fig. 1 is the operation principle flow chart of alkali anion membrane cell provided in an embodiment of the present invention.
Specific embodiment
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although the disclosure is shown in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
Completely it is communicated to those skilled in the art.It should be noted that in the absence of conflict, embodiment in the present invention and
Feature in embodiment can be combined with each other.The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
The embodiment of the invention discloses a kind of alkali anion membrane cell, including：The anode of anode, supported catalyst
Spread support layer；The cathode diffusion support layer of cathode, supported catalyst；The moon between anode diffusion layer and cathode diffusion layer
Amberplex；Wherein, anode fuel is for the solution containing hydrazine hydrate, and cathode oxidant is for containing the molten of hydrogen peroxide
Liquid.
In hydrazine hydrate solution the mass concentration of hydrazine hydrate be 10%-20%, preferably 15%.Anode fuel be hydrazine hydrate with
The mixed solution of lye, wherein, the molar ratio of hydrazine hydrate and lye is 1:4.Lye is molten for sodium hydroxide solution or potassium hydroxide
One or both of liquid.
Alkali can be added in into cathode oxidant hydrogen peroxide to change the pH value of hydrogen peroxide, such as can be to peroxidating
Sodium hydroxide solution is added in hydrogen solution.
Anion-exchange membrane in the embodiment of the present invention can be Nafion membrane, quaternary amine type anion-exchange membrane, quaternary phosphonium type
At least one of anion-exchange membrane, sulfenyl type anion-exchange membrane or organic-inorganic hybrid films.Preferably Nafion membrane,
The ability of Nafion membrane conducts sodium ions is stronger, is conducive to improve the open-circuit voltage of fuel cell.
Anode diffusion support layer and the catalyst of cathode diffusion support layer load include transition metal element, transition metal
Element is one or two kinds of, the preferably Ni in Ni and Co.
Anode diffusion supports that layer material is carbon paper；Cathode diffusion supports that layer material is carbon paper；Plate for stainless steel or
Graphite cake；Cathode plate is stainless steel or graphite cake.It will be understood by those skilled in the art that it is needed on plate and cathode plate
Stream into and out of two material channel holes so as to liquid is opened up respectively.
Referring to Fig. 1, the operation principle of alkali anion membrane cell provided in an embodiment of the present invention is shown in figure such as
Under：Anode is the place that hydrazine hydrate aoxidizes, and cathode is the place of hydrogen-peroxide reduction, and the two poles of the earth are all containing acceleration electrode electrochemical
The catalyst of reaction is learned, Nafion membrane is as transmission Na+Medium, only allow Na+Pass through, and hydrazine hydrate is in sodium hydroxide solution
The electronics that middle generation reduction reaction loses then passes through from conducting wire.A DC power supply is equivalent to during work, anode, that is, power cathode is cloudy
Pole, that is, positive pole.
The equation of the chemical reaction occurred in the embodiment of the present invention is as follows：
(1) anode reaction：N2H4+4OH-→4H2O+N2+4e- E0=-1.21V vs.SHE
(2) cathode reaction：H2O2+2e-→2OH- E0=0.87V vs.SHE
(3) total chemical reaction：N2H4+2H2O2→4H2O+N2OCV=2.08V
The manufacturing process of alkali anion membrane cell provided in an embodiment of the present invention is as follows：Carbon paper is selected to be used as will be positive
The material of support layer and cathode diffusion support layer is spread in pole, and catalyst is uniformly attached to two diffusion branch by way of spraying
It holds in layer, will be formed between anode diffusion support layer and cathode diffusion support layer and Nafion amberplexes by heat pressing process
Membrane module will be placed on the both sides of membrane module as the carbon paper of support layer material, then by the stainless steel plate or stone on membrane module both sides
Each material in membrane module, is then fixed and clamped by black four corner punchings of plate with screw and nut.In cathode plate and sun
Stream into and out of two material channel holes so as to liquid is opened up on the pole plate of pole respectively.
For a further understanding of the present invention, it is situated between in detail to fuel cell provided by the invention with reference to embodiment
It continues, protection scope of the present invention is not limited by the following examples.
Embodiment 1
Carbon paper is selected as the material that anode diffusion support layer and cathode are spread to support layer, and in cathode diffusion support layer
With supported catalyst Ni on anode diffusion support layer；Anode diffusion support layer and cathode diffusion support layer are handed over Nafion ions
It changes between film and membrane module is formed by heat pressing process, the both sides of membrane module, Ran Hou will be placed on as the carbon paper of support layer material
Both sides stainless steel or graphite cake press above-mentioned material, graphite cake are selected as cathode plate and plate, two poles
Stream into and out of two material channel holes so as to anode and cathode region is opened up on plate respectively.Wherein, sodium hydroxide is selected as electricity
Electrolyte solution selects the hydrazine hydrate that mass concentration is 20% as fuel, and the molar ratio of hydrazine hydrate and sodium hydroxide is 1:4, it is cloudy
Pole oxidant is hydrogenperoxide steam generator.
Embodiment 2
Carbon paper is selected as the material that anode diffusion support layer and cathode are spread to support layer, and in cathode diffusion support layer
With supported catalyst Co on anode diffusion support layer；Anode diffusion support layer and cathode diffusion support layer are handed over Nafion ions
It changes between film and membrane module is formed by heat pressing process, the both sides of membrane module, Ran Hou will be placed on as the carbon paper of support layer material
Both sides stainless steel or graphite cake press above-mentioned material, stainless steel plate are selected as cathode plate and plate, at two
Stream into and out of two material channel holes so as to the liquid in anode and cathode region is opened up on pole plate respectively.Wherein, hydroxide is selected
Potassium selects hydrazine hydrate that mass concentration is 10% as fuel as electrolyte solution, the molar ratio of hydrazine hydrate and sodium hydroxide
It is 1:1, cathode oxidant is hydrogenperoxide steam generator.
Embodiment 3
Carbon paper is selected as the material that anode diffusion support layer and cathode are spread to support layer, and in cathode diffusion support layer
With supported catalyst Co on anode diffusion support layer；Anode diffusion support layer and cathode diffusion support layer are handed over Nafion ions
It changes between film and membrane module is formed by heat pressing process, the both sides of membrane module, Ran Hou will be placed on as the carbon paper of support layer material
Both sides stainless steel or graphite cake press above-mentioned material, and graphite cake is selected to select stainless steel plate as sun as cathode plate
Pole pole plate opens up stream into and out of two material channel holes so as to liquid respectively on two pole plates, wherein, select hydroxide
Sodium selects hydrazine hydrate that mass concentration is 15% as fuel as electrolyte solution, the molar ratio of hydrazine hydrate and sodium hydroxide
It is 1:5, cathode oxidant is hydrogenperoxide steam generator.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (11)
1. a kind of alkali anion membrane cell, which is characterized in that including：The anode diffusion support of anode, supported catalyst
Layer；The cathode diffusion support layer of cathode, supported catalyst；The moon between the anode diffusion layer and the cathode diffusion layer
Amberplex；Wherein, the anode fuel is the solution containing hydrazine hydrate, and the cathode oxidant is containing the molten of hydrogen peroxide
Liquid.
2. alkali anion membrane cell according to claim 1, which is characterized in that the mass concentration of the hydrazine hydrate
For 10%-20%.
3. alkali anion membrane cell according to claim 1, which is characterized in that the anode fuel is hydrazine hydrate
With the mixed solution of lye, wherein, the molar ratio of the hydrazine hydrate and the lye is 1:4.
4. alkali anion membrane cell according to claim 3, which is characterized in that the lye is molten for sodium hydroxide
One or both of liquid or potassium hydroxide solution.
5. alkali anion membrane cell according to any one of claim 1 to 4, which is characterized in that the cathode
Oxidant is hydrogen peroxide and the mixed solution of alkali.
6. alkali anion membrane cell according to any one of claim 1 to 4, which is characterized in that the anode
Membrane module is formed by heat pressing process between diffusion support layer, cathode diffusion support layer and anion-exchange membrane.
7. alkali anion membrane cell according to any one of claim 1 to 4, which is characterized in that it is described it is cloudy from
Proton exchange for Nafion membrane, quaternary amine type anion-exchange membrane, quaternary phosphonium type anion-exchange membrane, sulfenyl type anion-exchange membrane or
At least one of organic-inorganic hybrid films.
8. alkali anion membrane cell according to any one of claim 1 to 4, which is characterized in that the anode
The catalyst for spreading support layer and cathode diffusion support layer load includes transition metal element.
9. alkali anion membrane cell according to claim 8, which is characterized in that the transition metal element is Ni
With it is one or two kinds of in Co.
10. alkali anion membrane cell according to any one of claim 1 to 4, which is characterized in that the anode
Diffusion supports that layer material is carbon paper；The cathode diffusion supports that layer material is carbon paper；The plate is stainless steel or graphite
Plate；The cathode plate is stainless steel or graphite cake.
11. a kind of alkali anion film fuel battery stack, which is characterized in that comprising as described in any one of claim 1-10
Alkali anion membrane cell and electrical connection in-between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711465608.1A CN108199063A (en) | 2017-12-28 | 2017-12-28 | A kind of alkali anion membrane cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711465608.1A CN108199063A (en) | 2017-12-28 | 2017-12-28 | A kind of alkali anion membrane cell |
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| Publication Number | Publication Date |
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| CN108199063A true CN108199063A (en) | 2018-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711465608.1A Pending CN108199063A (en) | 2017-12-28 | 2017-12-28 | A kind of alkali anion membrane cell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113169345A (en) * | 2018-07-30 | 2021-07-23 | 海德罗莱特有限公司 | Direct ammonia alkaline membrane fuel cell and method of operating same |
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|---|---|---|---|---|
| CN101552345A (en) * | 2009-05-07 | 2009-10-07 | 浙江大学 | Fuel cell using conductive polymer modified carbon based cobaltous hydroxide composite catalyst |
| CN102104151A (en) * | 2009-12-16 | 2011-06-22 | 中国科学院大连化学物理研究所 | Application of membrane electrode in basic anion exchange membrane fuel cell |
| CN102272992A (en) * | 2008-11-12 | 2011-12-07 | 雷蒙特亚特特拉维夫大学有限公司 | A direct liquid fuel cell having hydrazine or derivatives thereof as fuel |
| CN102496727A (en) * | 2011-12-26 | 2012-06-13 | 中国电子科技集团公司第十八研究所 | Preparation method for alkaline anion-exchange membrane electrode |
| CN104064793A (en) * | 2013-03-18 | 2014-09-24 | 中国科学院大连化学物理研究所 | Preparation method of membrane electrode of alkaline anion-exchange membrane fuel cell |
-
2017
- 2017-12-28 CN CN201711465608.1A patent/CN108199063A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102272992A (en) * | 2008-11-12 | 2011-12-07 | 雷蒙特亚特特拉维夫大学有限公司 | A direct liquid fuel cell having hydrazine or derivatives thereof as fuel |
| CN101552345A (en) * | 2009-05-07 | 2009-10-07 | 浙江大学 | Fuel cell using conductive polymer modified carbon based cobaltous hydroxide composite catalyst |
| CN102104151A (en) * | 2009-12-16 | 2011-06-22 | 中国科学院大连化学物理研究所 | Application of membrane electrode in basic anion exchange membrane fuel cell |
| CN102496727A (en) * | 2011-12-26 | 2012-06-13 | 中国电子科技集团公司第十八研究所 | Preparation method for alkaline anion-exchange membrane electrode |
| CN104064793A (en) * | 2013-03-18 | 2014-09-24 | 中国科学院大连化学物理研究所 | Preparation method of membrane electrode of alkaline anion-exchange membrane fuel cell |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113169345A (en) * | 2018-07-30 | 2021-07-23 | 海德罗莱特有限公司 | Direct ammonia alkaline membrane fuel cell and method of operating same |
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Application publication date: 20180622 |