CN107068998A - Battery electrode containing conducting polymer/graphene and its preparation method and application - Google Patents
Battery electrode containing conducting polymer/graphene and its preparation method and application Download PDFInfo
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- CN107068998A CN107068998A CN201710170608.2A CN201710170608A CN107068998A CN 107068998 A CN107068998 A CN 107068998A CN 201710170608 A CN201710170608 A CN 201710170608A CN 107068998 A CN107068998 A CN 107068998A
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- conducting polymer
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- graphene composite
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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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4235—Safety or regulating additives or arrangements in electrodes, separators or electrolyte
-
- 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
- H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
-
- 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
- H01M4/60—Selection of substances as active materials, active masses, active liquids of organic compounds
-
- 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
- H01M4/624—Electric conductive fillers
- H01M4/625—Carbon or graphite
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The present invention relates to a kind of battery lead plaster containing conducting polymer/graphene composite material and its preparation method and application, the preparation method comprises the following steps：Each raw material components are mixed and cream, go out cream, the lead plaster containing conducting polymer/graphene composite material is produced.Lead plaster of the present invention is applied in traditional lead acid batteries, using adding conducting polymer/graphene composite material, the conductance of battery pole plates can not only be increased substantially, the internal resistance of battery is reduced, active material utilization is improved, battery with two side terminals is improved, the usage amount of lead powder in lead plaster can also be reduced, final realize improves battery charge acceptance, slows down negative plate sulfation, so as to extend the service life of battery.The lead plaster of the present invention is applied to also have same effect when lead carbon battery or superbattery.The preparation method of the present invention is simple, is suitable for mass producing.
Description
Technical field
The present invention relates to battery material and its preparing technical field, and in particular to one kind contains conducting polymer/graphene
Lead plaster of composite and preparation method thereof and the application in lead-acid battery, lead carbon battery and superbattery.
Background technology
Lead-acid battery was emerged more than 150 years, and very important status is still occupied in electrochmical power source, during it is applied in market
Account for the share of half or so.Mostly all using lead-acid battery as electrokinetic cell on current electric car, reason is that its cost is low,
Raw material resources is abundant and is relatively easy to obtain.In addition, the temperature in use of battery is in extensive range, the battery of failure can also enter
Row is reclaimed, and the high environmental pollution of resource utilization is low, it is most important that security performance is high.With novel energy-storing and new energy power city
Continuing to develop for field, is particularly stored in applying, it is desirable to which secondary cell can in hybrid vehicle and intermittent new energy
Under high power portion state-of-charge, with good charge acceptance, longer cycle life.Therefore, lead-acid battery
Further improvement can be still needed to.Current lead plaster turns into one of focus that lead-acid battery is studied.
The content of the invention
Based on above mentioned problem, the present invention provides a kind of battery lead plaster containing conducting polymer/graphene composite material.Will
The lead plaster is applied to discovery in traditional lead acid batteries, not only can be big due to the addition of conducting polymer/graphene composite material
Amplitude improves battery conductive rate, reduces the internal resistance of cell, improves active material utilization, improves battery with two side terminals, can also drop
The usage amount of lead powder in low electrode material, final realize improves battery charge acceptance, slows down negative pole sulfation, so as to prolong
The service life of long battery.When the lead plaster is used for lead carbon battery or superbattery, it may have same effect.
Technical scheme is as follows：
The first aspect of the present invention is to provide a kind of lead plaster containing conducting polymer/graphene composite material, including such as
Lower raw material composition：Conducting polymer/graphene composite material, water and lead powder.
According to the present invention, conducting polymer in the raw material composition of the lead plaster of the conducting polymer/graphene composite material/
The weight accounting of graphene composite material is 0.05~3%, preferably 0.1~1%, more preferably 0.3~0.8%；Water
Weight accounting be 9~16% and lead powder surplus.
According to the present invention, the conducting polymer/graphene composite material is conducting polymer materials and grapheme material
It is 99 in mass ratio:1~60:40 are composited, preferably with mass ratio 90:5~75:25 are composited.
According to the present invention, the conducting polymer materials be selected from polypyrrole, polyaniline, polythiophene, polyacetylene, polyhenylene,
One or more mixtures in polyphenylene ethylene and poly bis alkynes and its derivative.
According to the present invention, the water is preferably deionized water.
According to the present invention, the lead plaster can be that anode diachylon can also be cathode lead plaster, preferably cathode lead plaster.
According to the present invention, the raw material composition of the lead plaster containing conducting polymer/graphene composite material can also be wrapped
Compound additive is included, the weight accounting of the compound additive can be 0.01~15%；When containing compound additive, then lead
The weight accounting of conducting polymer/graphene composite material is 0.05~3% in cream；The weight accounting of water is 9~16% and lead
Powder surplus.
The compound additive can include the one or more in the following composition of weight accounting, be preferably to add simultaneously
Plus：Sulfuric acid 4.0~8.0%；1.0~3.0% sulfate；0.1~1.0% swelling agent；0.06~0.8% reinforcing material.
According to the present invention, the sulfate contains sodium sulphate selected from barium sulfate and optionally；
One or more of the swelling agent in humic acid, lignin or sodium lignin sulfonate；
The reinforcing material is selected from polyester staple fibers peacekeeping optionally, contains carbon material.
When the compound additive contains carbon material, the lead plaster containing conducting polymer/graphene composite material
For cathode lead plaster, when the compound additive not carbonaceous material, the lead containing conducting polymer/graphene composite material
Cream is anode diachylon.
As example, the present invention provides a kind of cathode lead plaster containing conducting polymer/graphene composite material, including weight
Measure the following raw material composition of accounting：
Conducting polymer/graphene composite material 0.05~3%；
Sulfuric acid 4.0~8.0%；
Barium sulfate 0.5~1.0%；
Sodium sulphate 0.5~2.0%；
Humic acid 0.05~0.5%；
Lignin 0.05~0.5%；
Polyester staple fiber 0.05~0.3%；
Carbon material 0.01~0.5%；
Water 9~16%；
With lead powder surplus.
As example, the present invention also provides a kind of anode diachylon containing conducting polymer/graphene composite material, including
The following raw material composition of weight accounting：
Conducting polymer/graphene composite material 0.05~3%；
Sulfuric acid 4.0~8.0%；
Barium sulfate 0.5~1.0%；
Sodium sulphate 0.5~2.0%；
Humic acid 0.05~0.5%；
Lignin 0.05~0.5%；
Polyester staple fiber 0.05~0.3%；
Water 9~16%；
With lead powder surplus.
The second aspect of the present invention is to provide a kind of lead plaster containing conducting polymer/graphene composite material as described above
Preparation method, methods described comprises the following steps：
Each raw material components are mixed and cream, go out cream, the lead containing conducting polymer/graphene composite material is produced
Cream.
In the preparation method, conducting polymer/graphene composite material with cream during using the side that directly adds
Formula is introduced.
According to the present invention, in the preparation method, and the time of cream is 30min~100min, and cream temperature≤55 DEG C, lead
Cream apparent density can be 4.0~4.6g/cm3。
The third aspect of the present invention is to provide a kind of battery pole plates, including grid and as described above containing conducting polymer/
The lead plaster of graphene composite material.
Wherein, the battery pole plates can be negative plate or positive plate.
The fourth aspect of the present invention is to provide a kind of preparation method of battery pole plates as described above, comprises the following steps：Will
Lead plaster as described above containing conducting polymer/graphene composite material is by coated plate, polar plate solidification, pole plate drying, chemical conversion etc.
Technique, is made the battery pole plates.
The fifth aspect of the present invention is to provide a kind of battery, and it includes containing conducting polymer/graphene as described above multiple
The lead plaster of condensation material, further, containing anode diachylon as described above or cathode lead plaster, or contains anode diachylon and negative pole simultaneously
Lead plaster, it is preferable that at least contain cathode lead plaster.
According to the present invention, the battery is lead-acid battery, lead carbon battery or superbattery.
The sixth aspect of the present invention is to provide a kind of battery, and it includes battery pole plates as described above.
According to the present invention, the battery is lead-acid battery, lead carbon battery or superbattery.
The seventh aspect of the present invention is to provide the purposes of battery as described above, as stand-by power supply or main power source, for example
Electrokinetic cell as electric car.
Beneficial effects of the present invention：
The present invention provides a kind of battery lead plaster containing conducting polymer/graphene composite material and preparation method thereof and should
With.It is applied in traditional lead acid batteries, using conducting polymer/graphene composite material is added, not only can significantly carries
The conductance of high battery pole plates, reduces the internal resistance of battery, improves active material utilization, improves battery with two side terminals, can be with
The usage amount of lead powder in lead plaster is reduced, final realize improves battery charge acceptance, slow down negative plate sulfation, so as to prolong
The service life of long battery.When being applied to lead carbon battery or superbattery, it may have same effect.The preparation of the present invention
Method is simple, is suitable for mass producing.
Embodiment
In an embodiment of the invention, conducting polymer/graphene composite material is prepared in the following way：
In organic system or aqueous systems containing certain proportion conducting polymer monomer and graphene or both mixed system
In, the conducting polymer/graphene composite material is prepared by chemical polymerization or electrochemical polymerization；
Or,
Previously prepared conducting polymer materials, then the conducting polymer materials and grapheme material physics are combined or changed
Learn compound, obtain the conducting polymer/graphene composite material；
Wherein, the mass ratio of conducting polymer and graphene is 99:1~60:40, it is preferable that mass ratio is 90:5~75:
25。
The organic system is not limited, conducting polymer monomer and graphene can disperse wherein, and not very well
Chemical polymerization or the electrochemical polymerization reaction of graphene are influenceed, such as organic system can be ethanol, acetone or second
Nitrile etc..
The conducting polymer monomer can be pyrroles, aniline, thiophene, acetylene, penylene, phenylene ethylene, double alkynes and its spread out
One or more mixtures in biology.
General formula compound of the present invention and its preparation method and application is done further below in conjunction with specific embodiment
Detailed description.The following example is merely illustrative the ground description and interpretation present invention, and is not necessarily to be construed as to present invention protection
The limitation of scope.In the range of all technologies realized based on the above of the present invention are encompassed by it is contemplated that protecting.
Unless otherwise indicated, the raw material and reagent used in following examples is commercial goods, or can be by
It is prepared by perception method.
Embodiment 1
Negative pole is made in a kind of lead plaster containing conducting polymer/graphene composite material, includes following mass percent
Component：
Conducting polymer/graphene composite material 0.8%,
Sulfuric acid 4%,
Barium sulfate 0.5%,
Sodium sulphate 0.5%,
Humic acid 0.05%,
Lignin 0.1%,
Polyester staple fiber 0.1%,
Carbon material 0.05%,
Water 13%,
Lead powder 80.9%.
A) by conducting polymer/graphene composite material, barium sulfate, humic acid, lignin, polyester staple fiber, carbon material
Mechanical mixture, mechanical mixture time 30-50min are carried out with lead powder.
B) mixed process will be continuously added to containing sulfuric acid and aqueous sodium persulfate solution；
C) in mechanical wet mixing process, control system temperature≤55 DEG C are answered；
D it is) 4.1~4.3g/cm with micro pure water regulation apparent density of lead paste3；
E) lead plaster is coated onto on negative electrode grid, prepared using the curing process solidification of sequencing temperature and humidity
Cell negative plate containing conducting polymer/graphene composite material.
Embodiment 2
Positive pole is made in a kind of lead plaster containing conducting polymer/graphene composite material, includes following mass percent
Component：
Conducting polymer/graphene composite material 0.9%,
Sulfuric acid 4%,
Red lead 5%,
Chopped fiber 0.1%,
Water 12%,
Lead powder 78%.
A) by conducting polymer/graphene composite material, chopped fiber, carbon material, red lead and lead powder carry out mechanical mixture, machine
Tool incorporation time 40-60min.
B) sulfuric acid is continuously added to by mixed process；
C) in mechanical wet mixing process, application control system temperature≤55 DEG C；
D it is) 4.3~4.6g/cm with micro pure water regulation apparent density of lead paste3；
E) lead plaster is coated onto on anode plate grid, prepared using the curing process solidification of sequencing temperature and humidity
Battery positive plate containing conducting polymer/graphene composite material.
Comparative example 1 (is to add pure conductive conducting polymer materials) with the difference of embodiment 1
The raw material composition of comparative example 1 includes the component of following mass percent：
Conducting polymer 1.5%, sulfuric acid 4.5%, barium sulfate 1%, sodium sulphate 0.5%, humic acid 0.2%, lignin
0.15%, polyester staple fiber 0.15%, carbon material 0.1%, water 14% and lead powder 77.9%.
A) by conducting polymer materials, barium sulfate, humic acid, lignin, polyester staple fiber, carbon material and lead powder carry out machine
Tool is mixed, mechanical mixture time 30-50min；
B) mixed process will be continuously added to containing sulfuric acid and aqueous sodium persulfate solution；
C) in mechanical wet mixing process, control system temperature≤55 DEG C are answered；
D it is) 4.0~4.3g/cm with micro pure water regulation apparent density of lead paste3；
E) lead plaster is coated onto on negative electrode grid, prepared using the curing process solidification of sequencing temperature and humidity
Cell negative plate containing conducting polymer.
Comparative example 2 (is to add pure grapheme material) with the difference of embodiment 1
The raw material composition of comparative example 2 includes the component of following mass percent：
Graphene 0.3%, sulfuric acid 5%, barium sulfate 1%, humic acid 0.2%, lignin 0.2%, polyester staple fiber
0.2%, carbon material 0.5%, water 11%, lead powder 81.6%.
A) by graphene, barium sulfate, humic acid, lignin, polyester staple fiber, carbon material and lead powder carry out mechanical mixture,
Mechanical mixture time 50-80min；
B) mixed process will be continuously added to containing sulfuric acid and aqueous sodium persulfate solution；
C) in mechanical wet mixing process, control system temperature≤45 DEG C are answered；
D it is) 4.3~4.5g/cm with minor amount of water regulation apparent density of lead paste3；
E) lead plaster is coated onto on negative electrode grid, prepared using the curing process solidification of sequencing temperature and humidity
Cell negative plate containing conducting polymer.
Comparative example 3
The raw material composition of comparative example 3 includes the component of following mass percent：
Sulfuric acid 5%, barium sulfate 1%, humic acid 0.2%, lignin 0.3%, polyester staple fiber 0.2%, carbon material
0.5%, water 11% and lead powder 81.8%.
A) by barium sulfate, humic acid, lignin, polyester staple fiber, carbon material and lead powder carry out mechanical mixture, mechanical mixture
Time 60-10min；
B) mixed process will be continuously added to containing aqueous sulfuric acid；
C) in mechanical wet mixing process, control system temperature≤45 DEG C are answered；
D it is) 4.3~4.5g/cm with minor amount of water regulation apparent density of lead paste3；
E) lead plaster is coated onto on negative electrode grid, prepared using the curing process solidification of sequencing temperature and humidity
Conventional batteries negative plate.
Conventional cathode plate is selected, the negative plate with above-described embodiment 1, comparative example 1, comparative example 2 and comparative example 3 is assembled respectively
Lead-acid battery, the positive plate of selection example 2 and the negative plate composition lead-acid battery of embodiment 1, enter Mobile state charging by energy
The high rate cyclic life-span (HRPSOC) tests under the test of power and partial state of charge, and test result is as shown in table 1 below：
Table 1
Latter stage of charging size of current reflects the dynamic charge acceptance of battery, the bigger explanation charging of end of term electric current of charging
It is better by ability.It can be seen from the data in Table 1 that the negative plate prepared by the present invention can effectively improve battery latter stage of charging electricity
Stream, the cycle life of battery is high.
More than, embodiments of the present invention are illustrated.But, the present invention is not limited to above-mentioned embodiment.It is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements done etc., should be included in the guarantor of the present invention
Within the scope of shield.
Claims (10)
1. a kind of lead plaster containing conducting polymer/graphene composite material, it is characterised in that including the following raw material composition：Lead
Electric polymer/graphene composite material, water and lead powder.
2. the lead plaster as claimed in claim 1 containing conducting polymer/graphene composite material, it is characterised in that its raw material group
Weight accounting into middle conducting polymer/graphene composite material is 0.05~3%, preferably 0.1~1%, further preferably
For 0.3~0.8%；
The weight accounting of water is 9~16% and lead powder surplus.
Preferably, the conducting polymer/graphene composite material be conducting polymer materials and grapheme material in mass ratio
For 99:1~60:40 are composited, further preferably with mass ratio 90:5~75:25 are composited.
Preferably, the conducting polymer materials are selected from polypyrrole, polyaniline, polythiophene, polyacetylene, polyhenylene, polyphenylene ethylene
One or more mixtures in alkene and poly bis alkynes and its derivative.
Preferably, the water is deionized water.
Preferably, the lead plaster can be that anode diachylon can also be cathode lead plaster, more preferably cathode lead plaster.
3. the lead plaster as claimed in claim 1 or 2 containing conducting polymer/graphene composite material, it is characterised in that its raw material
Composition can also include compound additive, and the consumption of the compound additive can be 0.01-15%；When containing compound additive
When, then the weight accounting of conducting polymer/graphene composite material is 0.05~3% in lead plaster；The weight accounting of water be 9~
16% and lead powder surplus.
Preferably, the compound additive can include the one or more in the following composition of weight accounting, further preferably
To add simultaneously：Sulfuric acid 4.0~8.0%；1.0~3.0% sulfate；0.1~1.0% swelling agent；0.06~0.8% strengthening material
Material.
Preferably, the sulfate is selected from barium sulfate and optionally, contains sodium sulphate；
Preferably, one or more of the swelling agent in humic acid, lignin or sodium lignin sulfonate；
Preferably, the reinforcing material is selected from polyester staple fibers peacekeeping optionally, contains carbon material.
Preferably, when the compound additive contains carbon material, the lead containing conducting polymer/graphene composite material
Cream is cathode lead plaster, when the compound additive not carbonaceous material, described containing conducting polymer/graphene composite material
Lead plaster is anode diachylon.
4. the lead plaster containing conducting polymer/graphene composite material as described in claim any one of 1-3, it is characterised in that
A kind of cathode lead plaster containing conducting polymer/graphene composite material, including the following raw material composition：
Conducting polymer/graphene composite material 0.05~3%；
Sulfuric acid 4.0~8.0%；
Barium sulfate 0.5~1.0%；
Sodium sulphate 0.5~2.0%；
Humic acid 0.05~0.5%；
Lignin 0.05~0.5%；
Polyester staple fiber 0.05~0.3%；
Carbon material 0.01~0.5%；
Water 9~16%；
With lead powder surplus.
Preferably, a kind of anode diachylon containing conducting polymer/graphene composite material, includes the following raw material of weight accounting
Composition：
Conducting polymer/graphene composite material 0.05~3%；
Sulfuric acid 4.0~8.0%；
Barium sulfate 0.5~1.0%；
Sodium sulphate 0.5~2.0%；
Humic acid 0.05~0.5%；
Lignin 0.05~0.5%；
Polyester staple fiber 0.05~0.3%；
Water 9~16%；
With lead powder surplus.
5. a kind of preparation side of the lead plaster containing conducting polymer/graphene composite material as described in claim any one of 1-4
Method, it is characterised in that comprise the following steps：Each raw material components are mixed and cream, go out cream, produce containing conducting polymer/
The lead plaster of graphene composite material.
Preferably, in the preparation method, conducting polymer/graphene composite material with cream during using directly adding
Mode is introduced.
Preferably, in the preparation method, and the time of cream is 30min~100min, and cream temperature≤55 DEG C, apparent density of lead paste
Can be 4.0~4.6g/cm3。
6. a kind of battery pole plates, it is characterised in that contain conducting polymer including grid and as described in claim any one of 1-4
The lead plaster of thing/graphene composite material.
Preferably, the battery pole plates can be negative plate or positive plate.
7. a kind of preparation method of battery pole plates as claimed in claim 6, it is characterised in that comprise the following steps：To as above it weigh
Profit requires that the lead plaster containing conducting polymer/graphene composite material described in any one of 1-4 passes through coated plate, polar plate solidification, pole plate
The techniques such as dry, chemical conversion, are made the battery pole plates.
8. a kind of battery, it is characterised in that it includes containing conducting polymer/graphite described in as above any one of claim 1-4
The lead plaster of alkene composite.
Preferably, containing as above any one of claim 2-4 anode diachylons or cathode lead plaster, or contain anode diachylon simultaneously
And cathode lead plaster, it is further preferred that at least containing cathode lead plaster.
Preferably, the battery is lead-acid battery, lead carbon battery or superbattery.
9. a kind of battery, it is characterised in that including the battery pole plates described in as above claim 6.Preferably, the battery is lead
Sour battery, lead carbon battery or superbattery.
10. the purposes of battery as described in claim 8 or 9, it is characterised in that as stand-by power supply or main power source, for example with
Make the electrokinetic cell of electric car.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710170608.2A CN107068998A (en) | 2017-03-21 | 2017-03-21 | Battery electrode containing conducting polymer/graphene and its preparation method and application |
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| CN201710170608.2A CN107068998A (en) | 2017-03-21 | 2017-03-21 | Battery electrode containing conducting polymer/graphene and its preparation method and application |
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Cited By (4)
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| CN108682865A (en) * | 2018-04-24 | 2018-10-19 | 泉州市凯鹰电源电器有限公司 | Highly corrosion resistant grid and the lead carbon battery and pole plate for having the highly corrosion resistant grid |
| CN109461975A (en) * | 2018-09-27 | 2019-03-12 | 泉州市凯鹰电源电器有限公司 | A kind of graphene lead carbon power battery and its manufacturing method |
| CN109659558A (en) * | 2018-11-16 | 2019-04-19 | 佛山市科特电池有限公司 | A kind of electric road vehicle lead storage battery green plate lead paste formula |
| CN114975895A (en) * | 2022-06-08 | 2022-08-30 | 北京航空航天大学 | Positive electrode lead paste and positive electrode of lead-acid battery, preparation method of positive electrode, battery and electric vehicle |
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