CN107516735A - A kind of secondary iron base composite material iron copper cyanider battery and its manufacture method - Google Patents
A kind of secondary iron base composite material iron copper cyanider battery and its manufacture method Download PDFInfo
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- CN107516735A CN107516735A CN201710718071.9A CN201710718071A CN107516735A CN 107516735 A CN107516735 A CN 107516735A CN 201710718071 A CN201710718071 A CN 201710718071A CN 107516735 A CN107516735 A CN 107516735A
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/362—Composites
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/36—Accumulators not provided for in groups H01M10/05-H01M10/34
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E60/10—Energy storage using batteries
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Abstract
The invention discloses a kind of manufacture method of secondary iron base composite material iron copper cyanider battery, including step：（1）The preparation of iron base composite material；（2）The preparation of battery cathode sheet；（3）The preparation of battery anode slice；（4）The assembling of iron base composite material iron copper cyanider battery.The present invention is using iron base composite material as negative pole, and iron copper cyanider is positive pole, and electrolyte uses acid solution.The negative pole of this novel battery is a kind of composite using iron as main component, and it has preferable stability in an acidic solution, so as to avoid the spontaneous discharge of battery；The positive pole of battery is iron copper cyanider, and it stablizes in an acidic solution, and has excellent redox property.For battery in electric discharge, negative pole is the process that iron base composite material forms metal ion, and positive pole is the process that iron copper cyanider forms copper ferrocyanide；During charging, metal ion is in cathode deposition, and the copper ferrocyanide of positive pole is reduced to iron copper cyanider.
Description
Technical field
The invention belongs to model electrochemical energy technology field, and in particular to a kind of new secondary iron-based composite wood
Material-iron copper cyanider battery and its manufacture method.
Background technology
Iron is a kind of cheap, resourceful metal, and the battery using it as negative pole is mainly iron-air cell, this
Battery has many advantages, such as cost is low, environmentally friendly, chargeable.But in cell operation, the self discharge ratio of battery
It is more apparent, because in an acidic solution, the spontaneous dissolving trend comparison of iron is big；In addition, if battery is run in alkaline solution,
Then due to ironing surface passivation, battery charging and discharging performance is caused to decline rapidly.Therefore, develop in acid medium property it is stable,
The excellent iron-based material of charge-discharge performance, has great importance for the practical application of this battery.
In this iron-air cell, cathode reaction is the reduction process of oxygen, because this process is one dynamic in itself
The slow process of mechanics, so the serious charge-discharge performance for constraining battery.In numerous elctro-catalysts of oxygen reduction reaction, mesh
Preceding best catalyst is platinum or platinum based catalyst.But because platinum is expensive, resource scarcity, so as to seriously limit
The practical application of this battery.Although being developed the oxygen reduction reaction elctro-catalyst of many non-platinum class at present, they
Performance and stability undesirable one.So develop novelty cathodic process, for this kind of battery practical application have it is important
Value.
The content of the invention
It is an object of the invention to provide a kind of new secondary iron base composite material-iron copper cyanider battery, mesh of the invention
Additionally provide a kind of manufacture method of new secondary iron base composite material-iron copper cyanider battery.
To reach above-mentioned purpose, embodiment of the present invention is：A kind of secondary iron base composite material-iron copper cyanider battery
Manufacture method, comprise the following steps：
（1）The preparation of iron base composite material
By Ni (NO3) 26H2O and Fe (SO4) 27H2O solids are added to volume ratio as 1：1 water-ethanol mixed solvent
In, it is stirred well to and is completely dissolved；Then toward addition bismuth trisulfide solid powder in solution, stirring, fill bismuth trisulfide
Disperse in the solution；Then, the mixture heating of formation is removed into solvent, the solid 40 of formationoC is dried；Finally by drying
Solid afterwards is heated to 420 in the hydrogen gas streamoC, insulation naturally cool to room temperature after 3 hours, and gained solid is iron-based composite wood
Material；
Ni (NO3) 26H2O and Fe (SO4) 27H2O mass ratio be 1：7, Ni (NO3) 26H2O and Fe
(SO4) 27H2O gross mass and the ratio of water-ethanol mixed solvent be 1 g：3 mL, the quality of bismuth trisulfide solid are
Fe(SO4) 27H2O 0.5%；
（2）The preparation of battery cathode sheet
Carbon dust, iron base composite material are mixed with absolute ethyl alcohol, stirred, continues to be sufficiently stirred in 75 DEG C of water-baths,
Concentration is added dropwise simultaneously as 60%（Mass percent）Polytetrafluoroethylene (PTFE) emulsion, after stirring into well mixed solidifying cream,
This is coagulated into cream to be coated on the tow sides of stainless steel, then rolled in the form of sheets, places, dry at room temperature, GND is made
Piece；
The mass ratio of the carbon dust and iron base composite material is 50：20 ~ 50, the addition of absolute ethyl alcohol is relative to carbon dust
Ratio is：Absolute ethyl alcohol：The mL of carbon dust=10：50 mg, the addition of polytetrafluoroethylene (PTFE) emulsion is relative to iron base composite material
Ratio is：Polytetrafluoroethylene (PTFE) emulsion:The μ L of iron base composite material=10 ~ 40：20mg.
（3）The preparation of battery anode slice
Iron copper cyanider solid particle is prepared first, then prepares battery anode slice：By carbon dust, iron copper cyanider solid particle with it is anhydrous
Ethanol mixes, and stirs, continues to be sufficiently stirred in 75 DEG C of water-baths, while concentration is added dropwise as 60%（Quality hundred
Divide ratio）Polytetrafluoroethylene (PTFE) emulsion, mixture is stirred continuously, until thick liquid is formed, then by this thick liquid
Body uniformly drops in carbon paper surface, then places 10 hours at room temperature, then 200oHeated 3 hours under C, anode is made
Piece；
The mass ratio of carbon dust and iron the copper cyanider solid particle is 20：80, the addition of absolute ethyl alcohol is relative to carbon dust
Ratio is：Absolute ethyl alcohol：The mL of carbon dust=10：50 mg, the addition of polytetrafluoroethylene (PTFE) emulsion is relative to iron copper cyanider solid
Grain ratio be：Polytetrafluoroethylene (PTFE) emulsion:The μ L of iron base composite material=10~40：20mg；
（4）The assembling of iron base composite material-iron copper cyanider battery
Battery anode slice is separated with negative plate with double-layer polyethylene perforated membrane, is placed in the square container equipped with electrolyte solution
In, corresponding iron base composite material-iron copper cyanider battery is obtained after the sealed processing that is open.
Preferably, the electrolyte solution is to contain the g L of concentration 4.5-1 H3BO3Neutral salt solution；
Preferably, the neutral salt includes KNO3、NaNO3、K2SO4、Na2SO4、KClO4Or NaClO4；
Preferably, the concentration of the neutral salt is 0.1 mol L-1~1 mol L-1。
A kind of secondary iron base composite material-iron copper cyanider battery prepared according to methods described.
Novel battery provided by the invention is positive pole as negative pole, iron copper cyanider using iron base composite material, and electrolyte is adopted
Use acid solution.The negative pole of this novel battery is a kind of composite using iron as main component, and it has in an acidic solution
Preferable stability, so as to avoid the spontaneous discharge of battery；The positive pole of battery is iron copper cyanider, and it is steady in an acidic solution
It is fixed, and there is excellent redox property.For battery in electric discharge, negative pole is the mistake that iron base composite material forms metal ion
Journey, positive pole are the processes that iron copper cyanider forms copper ferrocyanide；During charging, metal ion is in cathode deposition, and the ferrous iron of positive pole
Copper cyanider is reduced to iron copper cyanider.
Embodiment
Embodiment 1：
（1）The preparation of iron base composite material
By 4.4 g Ni (NO3) 26H2O and 31 g Fe (SO4) 27H2O solids are added to 100 mL volume ratios as 1：1
Water-ethanol mixed solvent in, be stirred well to and be completely dissolved；Then toward adding 20 mg bismuth trisulfide solid powder in solution
End, stirring, makes bismuth trisulfide fully dispersed in the solution；Then, the mixture of formation is transferred on Rotary Evaporators,
80oHeating removes solvent in C water-baths, and the solid of formation is 40oDried 10 hours in C air drying cabinet；Finally will be dried
Solid is placed in tube furnace, is heated to 420 in the hydrogen gas streamoC, and 3 hours are incubated, room temperature is naturally cooled to afterwards, and gained is solid
Body is iron base composite material；
（2）The preparation of battery cathode sheet
Carbon dust, iron base composite material and absolute ethyl alcohol are pressed into 50 mg：20 mg：10mL ratio mixing, is stirred,
Continue to be sufficiently stirred in 75 DEG C of water-baths, while concentration is added dropwise as 60%（Mass percent）Polytetrafluoroethylene (PTFE) emulsus
The μ L of liquid 10, after stirring into well mixed solidifying cream, this is coagulated into cream and is coated on the tow sides of stainless steel, is then rolled in the form of sheets,
Place, dry at room temperature, battery cathode sheet is made.
（3）The preparation of battery anode slice
Iron copper cyanider solid particle is prepared first：According to prior art（G.Kasiri, R. Trocoli, A.B. Hashemi,
F. L. Mantia, Electrochim. Acta, An electrochemical investigation of the
aging of copper hexacyanoferrate during the operation in zinc-ion batteries,
2016, 222:74-83）, under vigorous stirring, by the mmol L of concentration 100-1Cu (NO3)23H2The mL of O solution 120 and concentration
50 mmol L-1K3Fe(CN)6The mL of solution 120 is slowly dropped in 60 mL water simultaneously, and solution produces the heavy of brown immediately
Form sediment.It is added dropwise, continues that half an hour is stirred by ultrasonic, gained mixture stands overnight, and then centrifuges, and gained solid is with containing
1mol L-1KNO3With 10mmol L-1HNO3Mixed solution wash twice, finally by solid 60ODried in C air dry ovens
10 hours.Finally solid is fully ground, obtains iron copper cyanider solid particle.
Then battery anode slice is prepared：Carbon dust, iron copper cyanider solid particle and absolute ethyl alcohol are pressed into 20 mg：80 mg：
25mL ratio mixing, stirs, continues to be sufficiently stirred in 75 DEG C of water-baths, while concentration is added dropwise as 60%
（Mass percent）The μ L of polytetrafluoroethylene (PTFE) emulsion 20~80, mixture is stirred continuously, until form thick liquid,
This thick liquid is uniformly then dropped in into carbon paper surface, then placed 10 hours at room temperature, then 200oHeating 3 is small under C
When, battery anode slice is made.
（4）The assembling and performance test of iron base composite material-iron copper cyanider battery
Battery anode slice is separated with negative plate with double-layer polyethylene perforated membrane, is placed in the square container equipped with electrolyte solution
In, corresponding iron base composite material-iron copper cyanider battery is obtained after the sealed processing that is open.Using current battery testing instrument
With the charge-discharge performance of method test battery, charge/discharge capacity is calculated by active material of iron copper cyanider.
Electrolyte solution is to contain the g L of concentration 4.5-1 H3BO30.1 mol L-1 KNO3During solution, battery open circuit voltage
For 1.05V, capacity is 74 mA h g-1, the discharge capacity after 50 circulations is 65 mA h g-1；
Electrolyte solution is to contain the g L of concentration 4.5-1 H3BO30.5 mol L-1 KNO3During solution, battery open circuit voltage is
1.06V, capacity are 76 mA h g-1, the discharge capacity after 50 circulations is 66 mA h g-1；
Electrolyte solution is to contain the g L of concentration 4.5-1 H3BO31 mol L-1 KNO3During solution, battery open circuit voltage is
1.01V, capacity are 71 mA h g-1, the discharge capacity after 50 circulations is 62 mA h g-1。
Embodiment 2：
（1）The preparation of iron base composite material
The step of with embodiment 1（1）It is identical.
（2）The preparation of battery cathode sheet
Carbon dust, iron base composite material and absolute ethyl alcohol are pressed into 50 mg：35 mg：10mL ratio mixing, is stirred,
Continue to be sufficiently stirred in 75 DEG C of water-baths, while concentration is added dropwise as 60%（Mass percent）Polytetrafluoroethylene (PTFE) emulsus
The μ L of liquid 40, after stirring into well mixed solidifying cream, this is coagulated into cream and is coated on the tow sides of stainless steel, is then rolled in the form of sheets,
Place, dry at room temperature, battery cathode sheet is made.
（3）The preparation of battery anode slice
The step of with embodiment 1（3）It is identical.
（4）The assembling and performance test of iron base composite material-iron copper cyanider battery
Battery anode slice is separated with negative plate with double-layer polyethylene perforated membrane, is placed in the square container equipped with electrolyte solution
In, corresponding iron base composite material-iron copper cyanider battery is obtained after the sealed processing that is open.Using current battery testing instrument
With the charge-discharge performance of method test battery, charge/discharge capacity is calculated by active material of iron copper cyanider.
Electrolyte solution is to contain the g L of concentration 4.5-1 H3BO30.1 mol L-1 NaNO3During solution, battery open circuit electricity
It is 73 mA h g to press as 1.05V, capacity-1, the discharge capacity after 50 circulations is 64 mA h g-1；
Electrolyte solution is to contain the g L of concentration 4.5-1 H3BO30.5 mol L-1 NaNO3During solution, battery open circuit voltage is
1.05V, capacity are 76 mA h g-1, the discharge capacity after 50 circulations is 62 mA h g-1；
Electrolyte solution is to contain the g L of concentration 4.5-1 H3BO31 mol L-1 NaNO3During solution, battery open circuit voltage is
1.0V, capacity are 71 mA h g-1, the discharge capacity after 50 circulations is 60 mA h g-1。
Embodiment 3：
（1）The preparation of iron base composite material
The step of with embodiment 1（1）It is identical.
（2）The preparation of battery cathode sheet
Carbon dust, iron base composite material and absolute ethyl alcohol are pressed into 50 mg：50 mg：10mL ratio mixing, is stirred,
Continue to be sufficiently stirred in 75 DEG C of water-baths, while concentration is added dropwise as 60%（Mass percent）Polytetrafluoroethylene (PTFE) emulsus
The μ L of liquid 80, after stirring into well mixed solidifying cream, this is coagulated into cream and is coated on the tow sides of stainless steel, is then rolled in the form of sheets,
Place, dry at room temperature, battery cathode sheet is made.
（3）The preparation of battery anode slice
The step of with embodiment 1（3）It is identical.
（4）The assembling and performance test of iron base composite material-iron copper cyanider battery
Battery anode slice is separated with negative plate with double-layer polyethylene perforated membrane, is placed in the square container equipped with electrolyte solution
In, corresponding iron base composite material-iron copper cyanider battery is obtained after the sealed processing that is open.Using current battery testing instrument
With the charge-discharge performance of method test battery, charge/discharge capacity is calculated by active material of iron copper cyanider.
Electrolyte solution is to contain the g L of concentration 4.5-1 H3BO30.1 mol L-1 K2SO4During solution, battery open circuit electricity
It is 65 mA h g to press as 0.95V, capacity-1, the discharge capacity after 50 circulations is 56 mA h g-1；
Electrolyte solution is to contain the g L of concentration 4.5-1 H3BO30.5 mol L-1 K2SO4During solution, battery open circuit voltage is
0.98V, capacity are 68 mA h g-1, the discharge capacity after 50 circulations is 60 mA h g-1；
Electrolyte solution is to contain the g L of concentration 4.5-1 H3BO31 mol L-1 K2SO4During solution, battery open circuit voltage is
0.98V, capacity are 67mA h g-1, the discharge capacity after 50 circulations is 57 mA h g-1。
Embodiment 4：
（1）The preparation of iron base composite material
The step of with embodiment 1（1）It is identical.
（2）The preparation of battery cathode sheet
Carbon dust, iron base composite material and absolute ethyl alcohol are pressed into 50 mg：35 mg：10mL ratio mixing, is stirred,
Continue to be sufficiently stirred in 75 DEG C of water-baths, while concentration is added dropwise as 60%（Mass percent）Polytetrafluoroethylene (PTFE) emulsus
The μ L of liquid 40, after stirring into well mixed solidifying cream, this is coagulated into cream and is coated on the tow sides of stainless steel, is then rolled in the form of sheets,
Place, dry at room temperature, battery cathode sheet is made.
（3）The preparation of battery anode slice
The step of with embodiment 1（3）It is identical.
（4）The assembling and performance test of iron base composite material-iron copper cyanider battery
Battery anode slice is separated with negative plate with double-layer polyethylene perforated membrane, is placed in the square container equipped with electrolyte solution
In, corresponding iron base composite material-iron copper cyanider battery is obtained after the sealed processing that is open.Using current battery testing instrument
With the charge-discharge performance of method test battery, charge/discharge capacity is calculated by active material of iron copper cyanider.
Electrolyte solution is to contain the g L of concentration 4.5-1 H3BO30.1 mol L-1 Na2SO4During solution, battery open circuit electricity
It is 65 mA h g to press as 0.95V, capacity-1, the discharge capacity after 50 circulations is 55 mA h g-1；
Electrolyte solution is to contain the g L of concentration 4.5-1 H3BO30.5 mol L-1 Na2SO4During solution, battery open circuit voltage is
0.97V, capacity are 67 mA h g-1, the discharge capacity after 50 circulations is 59 mA h g-1；
Electrolyte solution is to contain the g L of concentration 4.5-1 H3BO31 mol L-1 Na2SO4During solution, battery open circuit voltage is
0.98V, capacity are 66 mA h g-1, the discharge capacity after 50 circulations is 56 mA h g-1。
Embodiment 5：
（1）The preparation of iron base composite material
The step of with embodiment 1（1）It is identical.
（2）The preparation of battery cathode sheet
Carbon dust, iron base composite material and absolute ethyl alcohol are pressed into 50 mg：35 mg：10mL ratio mixing, is stirred,
Continue to be sufficiently stirred in 75 DEG C of water-baths, while concentration is added dropwise as 60%（Mass percent）Polytetrafluoroethylene (PTFE) emulsus
The μ L of liquid 40, after stirring into well mixed solidifying cream, this is coagulated into cream and is coated on the tow sides of stainless steel, is then rolled in the form of sheets,
Place, dry at room temperature, battery cathode sheet is made.
（3）The preparation of battery anode slice
The step of with embodiment 1（3）It is identical.
（4）The assembling and performance test of iron base composite material-iron copper cyanider battery
Battery anode slice is separated with negative plate with double-layer polyethylene perforated membrane, is placed in the square container equipped with electrolyte solution
In, corresponding iron base composite material-iron copper cyanider battery is obtained after the sealed processing that is open.Using current battery testing instrument
With the charge-discharge performance of method test battery, charge/discharge capacity is calculated by active material of iron copper cyanider.
Electrolyte solution is to contain the g L of concentration 4.5-1 H3BO30.1 mol L-1 KClO4During solution, battery open circuit electricity
It is 74 mA h g to press as 1.07V, capacity-1, the discharge capacity after 50 circulations is 66 mA h g-1；
Electrolyte solution is to contain the g L of concentration 4.5-1 H3BO30.5 mol L-1 KClO4During solution, battery open circuit voltage is
1.10V, capacity are 77 mA h g-1, the discharge capacity after 50 circulations is 67 mA h g-1；
Electrolyte solution is to contain the g L of concentration 4.5-1 H3BO31 mol L-1 KClO4During solution, battery open circuit voltage is
1.10V, capacity are 72 mA h g-1, the discharge capacity after 50 circulations is 63 mA h g-1。
Embodiment 6：
（1）The preparation of iron base composite material
The step of with embodiment 1（1）It is identical.
（2）The preparation of battery cathode sheet
Carbon dust, iron base composite material and absolute ethyl alcohol are pressed into 50 mg：35 mg：10mL ratio mixing, is stirred,
Continue to be sufficiently stirred in 75 DEG C of water-baths, while concentration is added dropwise as 60%（Mass percent）Polytetrafluoroethylene (PTFE) emulsus
The μ L of liquid 40, after stirring into well mixed solidifying cream, this is coagulated into cream and is coated on the tow sides of stainless steel, is then rolled in the form of sheets,
Place, dry at room temperature, battery cathode sheet is made.
（3）The preparation of battery anode slice
The step of with embodiment 1（3）It is identical.
（4）The assembling and performance test of iron base composite material-iron copper cyanider battery
Battery anode slice is separated with negative plate with double-layer polyethylene perforated membrane, is placed in the square container equipped with electrolyte solution
In, corresponding iron base composite material-iron copper cyanider battery is obtained after the sealed processing that is open.Using current battery testing instrument
With the charge-discharge performance of method test battery, charge/discharge capacity is calculated by active material of iron copper cyanider.
Electrolyte solution is to contain the g L of concentration 4.5-1 H3BO30.1 mol L-1 NaClO4During solution, battery open circuit electricity
It is 73 mA h g to press as 1.06V, capacity-1, the discharge capacity after 50 circulations is 65 mA h g-1；
Electrolyte solution is to contain the g L of concentration 4.5-1 H3BO30.5 mol L-1 NaClO4During solution, battery open circuit voltage
For 1.10V, capacity is 76 mA h g-1, the discharge capacity after 50 circulations is 66 mA h g-1；
Electrolyte solution is to contain the g L of concentration 4.5-1 H3BO31 mol L-1 NaClO4During solution, battery open circuit voltage is
1.10V, capacity are 71 mA h g-1, the discharge capacity after 50 circulations is 62 mA h g-1。
Claims (5)
1. a kind of manufacture method of secondary iron base composite material-iron copper cyanider battery, it is characterized in that, comprise the following steps：
（1）The preparation of iron base composite material
By Ni (NO3) 26H2O and Fe (SO4) 27H2O solids are added to volume ratio as 1：1 water-ethanol mixed solvent
In, it is stirred well to and is completely dissolved；Then toward addition bismuth trisulfide solid powder in solution, stirring, fill bismuth trisulfide
Disperse in the solution；Then, the mixture heating of formation is removed into solvent, the solid 40 of formationoC is dried；Finally by drying
Solid afterwards is heated to 420 in the hydrogen gas streamoC, insulation naturally cool to room temperature after 3 hours, and gained solid is iron-based composite wood
Material；
Ni (NO3) 26H2O and Fe (SO4) 27H2O mass ratio be 1：7, Ni (NO3) 26H2O and Fe (SO4)
27H2O gross mass and the ratio of water-ethanol mixed solvent are 1 g：3 mL, the quality of bismuth trisulfide solid is Fe
(SO4) 27H2O 0.5%；
（2）The preparation of battery cathode sheet
Carbon dust, iron base composite material are mixed with absolute ethyl alcohol, stirred, continues to be sufficiently stirred in 75 DEG C of water-baths,
Concentration is added dropwise simultaneously as 60%（Mass percent）Polytetrafluoroethylene (PTFE) emulsion, after stirring into well mixed solidifying cream,
This is coagulated into cream to be coated on the tow sides of stainless steel, then rolled in the form of sheets, places, dry at room temperature, GND is made
Piece；
The mass ratio of the carbon dust and iron base composite material is 50：20 ~ 50, the addition of absolute ethyl alcohol is relative to carbon dust
Ratio is：Absolute ethyl alcohol：The mL of carbon dust=10：50 mg, the addition of polytetrafluoroethylene (PTFE) emulsion is relative to iron base composite material
Ratio is：Polytetrafluoroethylene (PTFE) emulsion:The μ L of iron base composite material=10 ~ 40：20mg；
（3）The preparation of battery anode slice
Iron copper cyanider solid particle is prepared first, then prepares battery anode slice：By carbon dust, iron copper cyanider solid particle with it is anhydrous
Ethanol mixes, and stirs, continues to be sufficiently stirred in 75 DEG C of water-baths, while concentration is added dropwise as 60%（Quality hundred
Divide ratio）Polytetrafluoroethylene (PTFE) emulsion, mixture is stirred continuously, until thick liquid is formed, then by this thick liquid
Body uniformly drops in carbon paper surface, then places 10 hours at room temperature, then 200oHeated 3 hours under C, anode is made
Piece；
The mass ratio of carbon dust and iron the copper cyanider solid particle is 20：80, the addition of absolute ethyl alcohol is relative to carbon dust
Ratio is：Absolute ethyl alcohol：The mL of carbon dust=10：50 mg, the addition of polytetrafluoroethylene (PTFE) emulsion is relative to iron copper cyanider solid
Grain ratio be：Polytetrafluoroethylene (PTFE) emulsion:The μ L of iron base composite material=10~40：20mg；
（4）The assembling of iron base composite material-iron copper cyanider battery
Battery anode slice is separated with negative plate with double-layer polyethylene perforated membrane, is placed in the square container equipped with electrolyte solution
In, corresponding iron base composite material-iron copper cyanider battery is obtained after the sealed processing that is open.
2. the manufacture method of secondary iron base composite material according to claim 1-iron copper cyanider battery, it is characterized in that, institute
It is containing the g L of concentration 4.5 to state electrolyte solution-1 H3BO3Neutral salt solution.
3. the manufacture method of secondary iron base composite material according to claim 2-iron copper cyanider battery, it is characterized in that, institute
Stating neutral salt includes KNO3、NaNO3、K2SO4、Na2SO4、KClO4Or NaClO4。
4. the manufacture method of secondary iron base composite material according to claim 3-iron copper cyanider battery, it is characterized in that, institute
The concentration for stating neutral salt is 0.1 mol L-1~1 mol L-1。
A kind of 5. secondary iron base composite material-iron copper cyanider battery prepared by method according to claim 1.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111668536A (en) * | 2020-05-27 | 2020-09-15 | 北京科技大学 | Preparation method of metal aluminum-cyano organic matter secondary battery |
| CN112952213A (en) * | 2021-03-26 | 2021-06-11 | 李国新 | Copper energy storage battery and production process thereof |
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| CN111668536A (en) * | 2020-05-27 | 2020-09-15 | 北京科技大学 | Preparation method of metal aluminum-cyano organic matter secondary battery |
| CN112952213A (en) * | 2021-03-26 | 2021-06-11 | 李国新 | Copper energy storage battery and production process thereof |
| CN112952213B (en) * | 2021-03-26 | 2022-07-08 | 李国新 | Production process of copper energy storage battery |
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