CN109698341A - A kind of electrode preparation method, electrode and battery - Google Patents
A kind of electrode preparation method, electrode and battery Download PDFInfo
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- CN109698341A CN109698341A CN201811619157.7A CN201811619157A CN109698341A CN 109698341 A CN109698341 A CN 109698341A CN 201811619157 A CN201811619157 A CN 201811619157A CN 109698341 A CN109698341 A CN 109698341A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 46
- 239000002131 composite material Substances 0.000 claims abstract description 49
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000000203 mixture Substances 0.000 claims abstract description 21
- 229920000877 Melamine resin Polymers 0.000 claims abstract description 19
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims abstract description 18
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000007789 gas Substances 0.000 claims abstract description 16
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 11
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims abstract description 8
- NQXWGWZJXJUMQB-UHFFFAOYSA-K iron trichloride hexahydrate Chemical compound O.O.O.O.O.O.[Cl-].Cl[Fe+]Cl NQXWGWZJXJUMQB-UHFFFAOYSA-K 0.000 claims abstract description 7
- 239000012299 nitrogen atmosphere Substances 0.000 claims abstract description 7
- 229910021205 NaH2PO2 Inorganic materials 0.000 claims description 9
- 239000012300 argon atmosphere Substances 0.000 claims description 9
- 229910052573 porcelain Inorganic materials 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims 1
- 238000009833 condensation Methods 0.000 claims 1
- 230000005494 condensation Effects 0.000 claims 1
- 150000004968 peroxymonosulfuric acids Chemical class 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 2
- 229920001940 conductive polymer Polymers 0.000 description 15
- 239000002322 conducting polymer Substances 0.000 description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- 229910052799 carbon Inorganic materials 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 7
- 239000006260 foam Substances 0.000 description 7
- 230000004087 circulation Effects 0.000 description 6
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000007772 electrode material Substances 0.000 description 5
- 229910001416 lithium ion Inorganic materials 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910002588 FeOOH Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 229960000935 dehydrated alcohol Drugs 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 210000001787 dendrite Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000007974 melamines Chemical class 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000009210 therapy by ultrasound Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- 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
- H01M4/364—Composites as mixtures
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
-
- 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
- H01M4/5805—Phosphides
-
- 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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/621—Binders
- H01M4/622—Binders being polymers
-
- 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
- Y02E60/10—Energy storage using batteries
Abstract
The invention discloses a kind of electrode preparation method, electrode and batteries, are related to battery technology field.The electrode preparation method includes: by melamine foamed plastic, aniline and FeCl3.6H2O is carried out being mixed to get original mixture in preset quality ratio；The ammonium persulfate of default molar concentration is added in original mixture, and polymerization obtains the first composite material under the first preset temperature；First composite material is placed in the nitrogen atmosphere of the second preset temperature and calcines the first preset time, obtains the second composite material；Second composite material is subjected to gas phase phosphatization.Electrode preparation method provided by the invention can obtain the high electrode of good conductivity, cyclical stability.
Description
Technical field
The present invention relates to battery technology fields, in particular to a kind of electrode preparation method, electrode and battery.
Background technique
Traditional li-ion electrode materials are mainly graphite, but its theoretical capacity is only 372mAh/g, are unable to satisfy small-sized
The demand of portable device, and current potential and lithium metal, close to that may generate dendrite etc. on surface, security performance cannot be guaranteed.
Iron-based material energy density with higher, abundant raw materials are cheap, and safety is good.But iron-based material
As electrode, there is the problem of volume expansion and material itself poorly conductive, seriously affected battery in charge and discharge process
Circulation and high rate performance.
Summary of the invention
The purpose of the present invention is to provide a kind of electrode preparation methods, and good conductivity, stable circulation can be prepared
The high electrode of property.
Another object of the present invention is to provide a kind of electrodes, conduct electricity very well, and cyclical stability is high.
Another object of the present invention is to provide a kind of battery, good conductivity, cyclical stability height.
The present invention provides a kind of technical solution:
A kind of electrode preparation method, comprising:
By melamine foamed plastic, aniline and FeCl3.6H2O is carried out being mixed to get original mixture in preset quality ratio；
The ammonium persulfate of default molar concentration is added in the original mixture, and is polymerize under the first preset temperature
To the first composite material；
First composite material is placed in the nitrogen atmosphere of the second preset temperature and calcines the first preset time, obtains
Two composite materials；
Second composite material is subjected to gas phase phosphatization.
Further, it is added in the original mixture in the ammonium persulfate by default molar concentration, and first
Before the step of polymerization obtains the first composite material under preset temperature, the electrode preparation method further include:
1mol/L dilute hydrochloric acid is added into the original mixture to be ultrasonically treated.
Further, described the step of second composite material is carried out gas phase phosphatization, includes:
Second composite material is covered in and is placed with NaH2PO2Porcelain boat on, be placed in 200~400 DEG C of argon atmosphere
1~10h of middle calcining.
Further, described the step of second composite material is carried out gas phase phosphatization, includes:
Second composite material is covered in and is placed with NaH2PO2Porcelain boat on, be placed in 300 DEG C of argon atmosphere and forge
Burn 3h.
Further, second preset temperature is the arbitrary temp between 300~900 DEG C, first preset time
Any time between 1~10h.
Further, second preset temperature is 900 DEG C, and first preset time is 3h.
Further, the preset quality ratio is 8:1:1.
Further, the default molar concentration is 0.5mol/L, and first preset temperature is 0 DEG C.
The present invention also provides a kind of electrode, the electrode is prepared by the electrode preparation method, the electrode
Preparation method includes: by melamine foamed plastic, aniline and FeCl3.6H2O is carried out being mixed to get initial mixing in preset quality ratio
Object；The ammonium persulfate of default molar concentration is added in the original mixture, and polymerization obtains the under the first preset temperature
One composite material；First composite material is placed in the nitrogen atmosphere of the second preset temperature and calcines the first preset time, is obtained
To the second composite material；Second composite material is subjected to gas phase phosphatization.
The present invention also provides a kind of batteries, and including main body and the electrode, the electrode is set in the main body.
Compared with prior art, electrode preparation method provided by the invention, electrode and battery, by melamine foamed plastic, aniline
And FeCl3.6H2For O as raw material, polymerization obtains the first composite material of melamine foamed plastic, FeOOH and conducting polymer, then will
First composite material, which is placed in nitrogen environment, to burn, and obtains Fe3O4, conducting polymer and nitrogen-doped carbon foam the second composite wood
Material, the second composite material obtain the nitrogen-doped carbon flexible compound foam of porous Fe P, conducting polymer after gas phase phosphatization, lead
Electric polymer can significantly improve the electric conductivity of FeP, and nitrogen-doped carbon foam can effectively alleviate the bulk effect of FeP.Therefore,
Electrode preparation method provided by the invention can be prepared the high electrode of good conductivity, cyclical stability, apply in the present invention
The electrode and battery that this electrode preparation method obtains, good conductivity, cyclical stability are high.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described.It should be appreciated that the following drawings illustrates only certain embodiments of the present invention, therefore it is not construed as pair
The restriction of range.It for those of ordinary skill in the art, without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the schematic process flow diagram for the method for making its electrode that the first embodiment of the present invention provides.
Specific embodiment
It in order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below will be in the embodiment of the present invention
Technical solution be clearly and completely described.The person that is not specified actual conditions in embodiment, according to normal conditions or manufacturer builds
The condition of view carries out.Reagents or instruments used without specified manufacturer is the conventional production that can be obtained by commercially available purchase
Product.
The electrode preparation method of the embodiment of the present invention, electrode and battery are specifically described below.
The study found that FeP theoretical specific capacity with higher and relatively low charging/discharging voltage platform, are a kind of compare
Suitable electrode material.However, its volume expansion and material itself poorly conductive in charge and discharge process, has seriously affected battery
Circulation and high rate performance.And conductive polymer material is applied to lithium ion secondary battery as electrode material, it can be effective
The electric conductivity for improving material, improves the cyclical stability of material.FeP that electrode preparation method provided by the invention is prepared,
The nitrogen-doped carbon flexible compound foam electrode of conducting polymer, conducting polymer improve the electric conductivity of FeP, nitrogen-doped carbon foam
The bulk effect of FeP can effectively be alleviated.Therefore, the electrode that the electrode preparation method provided through the invention is prepared is led
Electrical property is good, cyclical stability is high.
Electrode preparation method provided by the invention the following steps are included:
Step S101: by melamine foamed plastic, aniline and FeCl3.6H2O be mixed to get in preset quality ratio initial
Mixture.
It is obtained after the pure processing of this melamine foamed plastic, the melamine foamed plastic being prepared is taken to be put into 1mol/L's
It is impregnated 6 hours in dilute hydrochloric acid, then melamine foamed plastic is transferred in the mixed solution of dehydrated alcohol/acetone (1:1) and impregnates 3
Hour, it is cleaned 3-5 times followed in turn by dehydrated alcohol, deionized water, is then placed in drying 12 hours in 60 DEG C of drying boxes, obtains pure
Net melamine foamed plastic.In original mixture, the mass ratio of melamine foamed plastic is 50-80%, the mass ratio of aniline
For 10-25%, FeCl3.6H2The mass ratio of O is also 10-25%.
Preferably, preset quality ratio takes 8:1:1, i.e. melamine foamed plastic mass ratio is 80%, the mass ratio of aniline
Example is 10%, FeCl3.6H2The mass ratio of O is also 10%.
Further, the step of electrode preparation method can also include:
Step S102: 1mol/L dilute hydrochloric acid is added into original mixture and is ultrasonically treated.
Ultrasonic treatment purpose is the impurity in removal original mixture, and the molar concentration of dilute hydrochloric acid can make adjustment.
Further, the step of electrode preparation method can also include:
Step S103: the ammonium persulfate of default molar concentration is added in original mixture, and under the first preset temperature
Polymerization obtains the first composite material, it is generally the case that polymerization time 6h.
By ammonium persulfate be added the first composite material that original mixture is obtained by polymerization include melamine foamed plastic,
FeOOH and conducting polymer.Wherein, it is preferred that default molar concentration is 0.5mol/L, and the first preset temperature is low temperature, preferably
, take 0 DEG C.
Further, the step of electrode preparation method can also include:
Step S104: the first composite material being placed in the nitrogen atmosphere of the second preset temperature and calcine the first preset time,
Obtain the second composite material.
The nitrogen of the second preset temperature is placed in comprising the first composite material of melamine foamed plastic, FeOOH and conducting polymer
Atmosphere encloses the first preset time of middle calcining, obtains comprising Fe3O4, conducting polymer and nitrogen-doped carbon foam the second composite material.
Second preset temperature is the arbitrary temp between 300~900 DEG C, any time of first preset time between 1~10h.It is excellent
Choosing, the second preset temperature takes 900 DEG C, and the first preset time takes 3h.
Further, the step of electrode preparation method can also include:
Step S105: the second composite material is subjected to gas phase phosphatization.
The gas phase phosphatization concrete mode of use are as follows: the second composite material is covered in and is placed with NaH2PO2Porcelain boat on, juxtaposition
1~10h is calcined in 200~400 DEG C of argon atmosphere.Preferably, the second composite material is covered in the porcelain for being placed with NaH2PO2
On boat, it is placed in 300 DEG C of argon atmosphere and calcines 3h.Under normal conditions, the second composite material, which is covered in, is placed with NaH2PO2's
On porcelain boat, under an argon atmosphere, 300 DEG C is warming up to the heating rate of 3 DEG C/min, 3h is kept the temperature, naturally cools to room temperature.Include
Fe3O4, conducting polymer and nitrogen-doped carbon foam the second composite material obtain porous Fe P, conducting polymer by gas phase phosphatization
Nitrogen-doped carbon flexible compound foam.
By the electrode that electrode preparation method provided by the invention obtains, conducting polymer compensates for FeP poorly conductive
Disadvantage, nitrogen-doped carbon flexible compound foam alleviate bulk effect of the FeP in charge and discharge process, improve cyclical stability.
Electrode provided by the invention as a result, electrode preparation method provided by the present invention are prepared, and have and preferably lead
Electrical and higher cyclical stability.
In turn, battery provided by the invention has preferable electric conductivity and higher using electrode provided by the invention
Cyclical stability.
Electrode preparation method provided by the invention is described in further detail with reference to embodiments.
First embodiment
Electrode preparation method provided in this embodiment, comprising:
Step S101: by melamine foamed plastic, aniline and FeCl3.6H2O is mixed to get by the mass ratio of 8:1:1
Original mixture.
I.e. melamine foamed plastic mass ratio is 80%, and the mass ratio of aniline is 10%, FeCl3.6H2The mass ratio of O
It also is 10%.
Further, the step of electrode preparation method provided in this embodiment can also include:
Step S102: 1mol/L dilute hydrochloric acid is added into original mixture and is ultrasonically treated.
Further, the step of electrode preparation method provided in this embodiment can also include:
Step S103: the ammonium persulfate of 0.5mol/L is added in original mixture, and polymerization obtains first at the 0th DEG C
Composite material, polymerization time 6h.
Further, the step of electrode preparation method provided in this embodiment can also include:
Step S104: the first composite material is placed in 900 DEG C of nitrogen atmosphere and calcines 3h, obtain the second composite material.
Further, the step of electrode preparation method provided in this embodiment can also include:
Step S105: the second composite material is subjected to gas phase phosphatization.
The gas phase phosphatization concrete mode of use are as follows: the second composite material is covered on the porcelain boat for being placed with NaH2PO2, juxtaposition
3h is calcined in 300 DEG C of argon atmosphere.
Second embodiment
The difference of electrode preparation method provided in this embodiment, the electrode preparation method provided with first embodiment is:
Step S101: by melamine foamed plastic, aniline and FeCl3.6H2O is mixed to get by the mass ratio of 2:1:1
Original mixture.
I.e. melamine foamed plastic mass ratio is 50%, and the mass ratio of aniline is 25%, FeCl3.6H2The mass ratio of O
It also is 25%.
Step S102, step S103, step S104 and step S105 are consistent with first embodiment.
3rd embodiment
The difference of electrode preparation method provided in this embodiment, the electrode preparation method provided with first embodiment is:
Step S104: the first composite material is placed in 300 DEG C of nitrogen atmosphere and calcines 3h, obtain the second composite material.
Step S105: the second composite material is subjected to gas phase phosphatization.
The gas phase phosphatization concrete mode of use are as follows: the second composite material is covered on the porcelain boat for being placed with NaH2PO2, juxtaposition
1h is calcined in 400 DEG C of argon atmosphere.
Step S101, step S102 and step S103 are consistent with first embodiment.Test example
Further, FeP, conducting polymer first embodiment, second embodiment and 3rd embodiment respectively obtained
Nitrogen-doped carbon flexible compound foam respectively as working electrode, lithium piece is to electrode, and electrolyte is general lithium ion battery
Electrolyte, prepare 2032 type button cells, with the current density charge and discharge of 0.1A/g, detect its FeP that respectively embodiment obtains,
Discharge capacity of the nitrogen-doped carbon flexible compound foam of conducting polymer as electrode after 50 circulations.Test result such as table 1
It is shown:
1 test example data result of table
| Discharge capacity after 50 circulations | First embodiment | Second embodiment | 3rd embodiment |
| The current density charge and discharge of 0.1A/g | 805mAh/g | 556.8mAh/g | 468.3mAh/g |
Traditional li-ion electrode materials theoretical capacity is only 372mAh/g, from the data in table 1, it can be seen that first embodiment,
The nitrogen-doped carbon flexible compound foam of FeP, conducting polymer that two embodiments and 3rd embodiment are respectively prepared are recycled at 50 times
Discharge capacity afterwards appoints the theoretical capacity for being so higher than traditional li-ion electrode materials.
In conclusion electrode preparation method provided in an embodiment of the present invention can obtain good conductivity, cyclical stability
High electrode.
Electrode provided by the invention, electrode preparation method provided by the present invention are prepared, good conductivity, and circulation is steady
Qualitative height.
Battery provided by the invention, electrode provided by the present invention is as electrode, good conductivity, cyclical stability height.
Embodiments described above is a part of the embodiment of the present invention, instead of all the embodiments.Reality of the invention
The detailed description for applying example is not intended to limit the range of claimed invention, but is merely representative of selected implementation of the invention
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
Every other embodiment, shall fall within the protection scope of the present invention.
Claims (10)
1. a kind of electrode preparation method characterized by comprising
By melamine foamed plastic, aniline and FeCl3.6H2O is carried out being mixed to get original mixture in preset quality ratio；
The ammonium persulfate of default molar concentration is added in the original mixture, and polymerization obtains the under the first preset temperature
One composite material；
First composite material is placed in the nitrogen atmosphere of the second preset temperature and calcines the first preset time, it is multiple to obtain second
Condensation material；
Second composite material is subjected to gas phase phosphatization.
2. electrode preparation method according to claim 1, which is characterized in that in the persulfuric acid by default molar concentration
It is described before the step of ammonium is added in the original mixture, and polymerization obtains the first composite material under the first preset temperature
Electrode preparation method further include:
1mol/L dilute hydrochloric acid is added into the original mixture to be ultrasonically treated.
3. electrode preparation method according to claim 1, which is characterized in that described that second composite material is carried out gas
The step of phase phosphatization includes:
Second composite material is covered in and is placed with NaH2PO2Porcelain boat on, be placed in 200~400 DEG C of argon atmosphere and forge
Burn 1~10h.
4. electrode preparation method according to claim 3, which is characterized in that described that second composite material is carried out gas
The step of phase phosphatization includes:
Second composite material is covered in and is placed with NaH2PO2Porcelain boat on, be placed in 300 DEG C of argon atmosphere and calcine 3h.
5. electrode preparation method according to claim 1, which is characterized in that second preset temperature is 300~900 DEG C
Between arbitrary temp, any time of first preset time between 1~10h.
6. electrode preparation method according to claim 5, which is characterized in that second preset temperature is 900 DEG C, described
First preset time is 3h.
7. electrode preparation method according to claim 1, which is characterized in that the preset quality ratio is 8:1:1.
8. electrode preparation method according to claim 1, which is characterized in that the default molar concentration is 0.5mol/L,
First preset temperature is 0 DEG C.
9. a kind of electrode, which is characterized in that the electrode passes through such as the described in any item electrode preparation method systems of claim 1-8
It is standby to obtain.
10. a kind of battery, which is characterized in that including main body and electrode as claimed in claim 9, the electrode is set to described
In main body.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811619157.7A CN109698341B (en) | 2018-12-27 | 2018-12-27 | Electrode preparation method, electrode and battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811619157.7A CN109698341B (en) | 2018-12-27 | 2018-12-27 | Electrode preparation method, electrode and battery |
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| CN109698341A true CN109698341A (en) | 2019-04-30 |
| CN109698341B CN109698341B (en) | 2023-10-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113707894A (en) * | 2021-08-20 | 2021-11-26 | 中国第一汽车股份有限公司 | Fuel cell catalyst and preparation method and application thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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