CN107240686A - High-performance high current start and stop battery lead plaster and start and stop battery - Google Patents
High-performance high current start and stop battery lead plaster and start and stop battery Download PDFInfo
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- CN107240686A CN107240686A CN201710426598.4A CN201710426598A CN107240686A CN 107240686 A CN107240686 A CN 107240686A CN 201710426598 A CN201710426598 A CN 201710426598A CN 107240686 A CN107240686 A CN 107240686A
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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
- H01M4/364—Composites as mixtures
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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
- H01M10/06—Lead-acid accumulators
-
- 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
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/56—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of lead
- H01M4/57—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of lead of "grey lead", i.e. powders containing lead and lead oxide
-
- 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
-
- 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
- H01M4/628—Inhibitors, e.g. gassing inhibitors, corrosion inhibitors
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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 invention discloses a kind of high-performance high current start and stop battery lead plaster, including anode diachylon and cathode lead plaster, the anode diachylon is made up of the prescription of following weight：Carbon fiber 0.1% 1.0%, graphene 0.1% 0.5%, graphite 1.0% 3.0%, 4BS crystal seeds 3.0% 8.0%, dilute sulfuric acid 5% 10%, rare earth 0.01% 0.1%, surplus is lead powder.The cathode lead plaster is made up of the prescription of following weight：Carbon fiber 0.1% 1.0%, graphene 0.1% 0.5%, activated carbon 5.0% 10%, barium sulfate 5.0% 10.0%, humic acid 2.0% 5.0%, lignin 1.0% 5.0%, dilute sulfuric acid 5% 10%, surplus is lead powder.The present invention can extend the cycle life of battery, heighten battery capacity, and the charging and discharging capabilities of battery can be maintained again.
Description
Technical field
The present invention relates to battery technology field, and in particular to a kind of high-performance high current start and stop battery lead plaster and start and stop electricity
Pond.
Background technology
Start stop system battery technology is the most important thing for promoting new-energy automobile industry development, and it requires that lead-acid accumulator has
There are heavy-current discharge performance, high charge receptivity, endurance quality and cycle life strong.
Automobile uses storage battery more in shutdown process, and usually lead-acid battery runs into red light there is provided sparking effect is started
Or other road conditions, automobile phase down engine, during green light, automobile is restarted, and frequently starts and stops, reducing battery
Service life, how to extend the service life of battery, and vehicle starting is struck sparks, during brake deceleration, energy regenerating,
Store into battery, be the problem in battery research and development.
In current lead-acid accumulator lead paste formula, such as Chinese Patent Application No. is 201310296767.9, proprietary term
Referred to as " a kind of formula of lead-acid storage battery positive pole diachylon ", Application No. 201210552186.2, patent name is " one kind is applied to
Lead plaster is turned in the battery in high temperature area ", the battery and lead of Fraquent start and the start and stop technology stopped not being reported as
Medical paste preparing process.
The content of the invention
The technical problems to be solved by the invention are to improve that a kind of service life is long, and the good high-performance high current of performance is opened
Power failure pond.
The technical problems to be solved by the invention are realized using following technical scheme：
A kind of high-performance high current start and stop battery lead plaster, including anode diachylon and cathode lead plaster, the anode diachylon by with
The prescription of lower weight is made：Carbon fiber 0.1%-1.0%, graphene 0.1%-0.5%, graphite 1.0%-3.0%, 4BS crystal seed
3.0%-8.0%, dilute sulfuric acid 5%-10%, rare earth 0.01%-0.1%, surplus is lead powder.
The cathode lead plaster is made up of the prescription of following weight：Carbon fiber 0.1%-1.0%, graphene 0.1%-0.5%,
Activated carbon 5.0%-10%, barium sulfate 5.0%-10.0%, humic acid 2.0%-5.0%, lignin 1.0%-5.0%, dilute sulfuric acid
5%-10%, surplus is lead powder.
The preferable weight percent hundred of each component is wherein in anode diachylon：Carbon fiber 0.5%, graphene 0.3%, graphite
2%, 4BS crystal seed 5%, rare earth 0.05%, dilute sulfuric acid 8%, surplus is lead powder.
The preferable weight percent hundred of each component is wherein in cathode lead plaster：Carbon fiber 0.5%, graphene 0.3%, activated carbon
7%, barium sulfate 7%, humic acid 3.5%, lignin 3%, dilute sulfuric acid 8%, surplus is lead powder.
The rare earth is any one or the two mixture in any proportion in La or Ge.
The carbon fiber selects T700 carbon fibers.
The compound method of above-mentioned anode diachylon is as follows：
(1) by graphite, dilute to be configured to emulsion (graphene emulsion) stand-by first；
(2) in 0.8 ton of vacuum paste mixing machine, the lead powder of 1/3-1/2 amounts is first put into, by carbon fiber, graphite, 4BS crystal seeds and dilute
Soil is poured into the lead powder of paste mixing machine, is stirred 5 minutes or so, then remaining lead powder is put into, and is stirred 5 minutes or so, and add water 2 points of stirring
Graphene emulsion is added after clock, dilute sulfuric acid is added, 15 minutes stirring while adding or so, maximum temperature was controlled in 75 DEG C or so 3-
5 minutes；
(3) all add, finally stirring is cooled to meet the requirements i.e. just with 5 DEG C or so of ambient temperature differences, measurement apparent density
Pole lead plaster, which is prepared, to be completed.
The compound method of above-mentioned cathode lead plaster is as follows：
(1) by graphite, dilute to be configured to emulsion (graphene emulsion) stand-by；
(2) 1.0 tons of vacuum paste mixing machines, are first put into the lead powder of 1/3-1/2 amounts, by carbon fiber, activated carbon, barium sulfate, humic
Acid and lignin are poured into the lead powder of paste mixing machine, are stirred 5 minutes or so, then remaining lead powder is put into, and are stirred 5 minutes or so, are added water
Stirring adds graphene emulsion after 2 minutes, adds dilute sulfuric acid, 15 minutes stirring while adding or so, maximum temperature was controlled 75
DEG C or so 3-5 minutes；
(3) all add, finally stirring be cooled to 5 DEG C or so of ambient temperature differences, measurement apparent density, which meets the requirements, to be born
Pole lead plaster, which is prepared, to be completed.
The preparation method of above-mentioned 4BS crystal seeds is as follows：
(1) lead is added in the roller of ball mill, one shower is installed in ball mill air inlet, dripped from shower
Water uniformly enter ball grinder interior with air inlet air intake, onto lead button, lead powder, reach the oxidizability and apparent density of lead powder
To requiring, collect and obtain lead oxide powder；
(2) lead oxide powder is dried 30 minutes in temperature is 350 DEG C -420 DEG C of drying machine, protected in feeding incubator
Temperature, then weighs dried lead oxide powder 100kg and puts into immediately in reactor, adds 20kg dilute sulfuric acids, and startup is stirred
Device is mixed, reaction 60 minutes is continuously stirred；
(3) the dried lead oxide powder of 50kg and 10kg dilute sulfuric acids are put into toward continuation in reactor, reactor is warming up to
52 DEG C -55 DEG C, stirring stands 30 minutes after 20 minutes, then restarts stirring, stirs 10 minutes, it is ensured that lead oxide powder is all thorough
Bottom is reacted, in slightly yellow milk, and then lifts and ensure the quality of generated finished product；
(4) discharge valve of reactor is opened, it is injected in centrifugation apparatus, makes its solid-liquor separation using centrifugation apparatus,
Liquid is really reacted waste water, and solid is then four basic lead sulphates；
(5) waste water after separating is incorporated into wastewater collection bucket by water pump, for preparing dilute sulfuric acid, the alkali formula sulphur of solid four
Lead plumbate is now in moist block white solid；
(6) the above-mentioned basic lead sulphate of blocks of solid four is inserted in drying baker and dried, then inserted in pulverizer, enter
Row is ground, and 4BS crystal seeds are made.The crystal seed impurity content is few, and purity is high, and is graininess, grain by sample after ball milling
Footpath is less than 1 micron, and quality is good, can significantly improve accumulator property.
It is a further object to provide a kind of start and stop battery containing above-mentioned lead plaster, it is adaptable to vented cell
There is one or more exhausts dress of energy bubbing product on (pregnant solution type) exhaust battery (fooded), battery cap
Put the lead-acid accumulator that gaseous product can be discharged；Enhanced vented cell, for the purpose of carrying start stop system automobile,
Enhance the vented cell of performance.
Carbon fiber main function：
1. strengthening intensity between active material, prevent active material from coming off, softening, extend battery life；
2. refinement activity material grainses, form conductive network, make CURRENT DISTRIBUTION more uniform, improve battery and be charged and discharged
Efficiency.
The effect of graphene：
1. strengthening the conductive capability and large current discharging capability of active material, negative pole sulfation is prevented；
2. improve the charge acceptance of battery；
3. improving the utilization rate of active material, capacity is improved.
The effect of 4BS crystal seeds：
1. strengthen the frame strength of active material；
2. increase the porosity of active material, free lead content during reduction solidification；
3. extend the service life of battery.
The effect of activated carbon：
1. strengthening the electric conductivity of active material, sulfation is prevented；
2. strengthen large current discharging capability；
3. improve charge acceptance.
The effect of rare earth：
1. increasing active material porosity, battery capacity is heightened；
2. reducing positive pole analysis oxygen, battery little moisture loss extends battery life.
The beneficial effects of the invention are as follows：The present invention can extend the cycle life of battery, heighten battery capacity, and can maintain
The charging and discharging capabilities of battery.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Specific embodiment is closed, the present invention is expanded on further.
Carbon fiber selects T700 carbon fibers in embodiment 1-5, anode diachylon, and rare earth selects La, other raw materials of use
Weight such as percentage such as following table：
| Component | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Carbon fiber | 0.5% | 0.3% | 0.7% | 0.1% | 1% |
| Graphene | 0.3% | 0.2% | 0.4% | 0.5% | 0.1% |
| Graphite | 2% | 1.5% | 2.5% | 1% | 3% |
| 4BS crystal seeds | 5% | 4% | 6% | 8% | 3% |
| Rare earth | 0.05% | 0.03% | 0.07% | 0.01% | 0.1% |
| Dilute sulfuric acid | 8% | 7% | 9% | 6% | 10% |
| Lead powder | Surplus | Surplus | Surplus | Surplus | Surplus |
Carbon fiber selects T700 carbon fibers, the weight such as percentage of other raw materials of use in embodiment 1-5, cathode lead plaster
Such as following table：
| Component | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Carbon fiber | 0.5% | 0.3% | 0.7% | 0.1% | 1% |
| Graphene | 0.3% | 0.2% | 0.4% | 0.5% | 0.1% |
| Activated carbon | 7% | 6% | 8% | 5% | 10% |
| Barium sulfate | 7% | 6% | 8% | 10% | 5% |
| Humic acid | 3.5% | 3% | 4% | 2% | 5% |
| Lignin | 3% | 2% | 4% | 5% | 1% |
| Dilute sulfuric acid | 8% | 7% | 9% | 6% | 10% |
| Lead powder | Surplus | Surplus | Surplus | Surplus | Surplus |
Embodiment 1-5 compound method is as follows：
The compound method of above-mentioned anode diachylon is as follows：
(1) by graphite, dilute to be configured to emulsion (graphene emulsion) stand-by first；
(2) in 0.8 ton of vacuum paste mixing machine, the lead powder of 1/3-1/2 amounts is first put into, by carbon fiber, graphite, 4BS crystal seeds and dilute
Soil is poured into the lead powder of paste mixing machine, is stirred 5 minutes or so, then remaining lead powder is put into, and is stirred 5 minutes or so, and add water 2 points of stirring
Graphene emulsion is added after clock, dilute sulfuric acid is added, 15 minutes stirring while adding or so, maximum temperature was controlled in 75 DEG C or so 3-
5 minutes；
(3) all add, finally stirring is cooled to meet the requirements i.e. just with 5 DEG C or so of ambient temperature differences, measurement apparent density
Pole lead plaster, which is prepared, to be completed.
The compound method of above-mentioned cathode lead plaster is as follows：
(1) by graphite, dilute to be configured to emulsion (graphene emulsion) stand-by；
(2) 1.0 tons of vacuum paste mixing machines, are first put into the lead powder of 1/3-1/2 amounts, by carbon fiber, activated carbon, barium sulfate, humic
Acid and lignin are poured into the lead powder of paste mixing machine, are stirred 5 minutes or so, then remaining lead powder is put into, and are stirred 5 minutes or so, are added water
Stirring adds graphene emulsion after 2 minutes, adds dilute sulfuric acid, 15 minutes stirring while adding or so, maximum temperature was controlled 75
DEG C or so 3-5 minutes；
(3) all add, finally stirring be cooled to 5 DEG C or so of ambient temperature differences, measurement apparent density, which meets the requirements, to be born
Pole lead plaster, which is prepared, to be completed.
Start and stop battery prepared by lead plaster of the present invention is tested：
One, capacity tests
Charging terminates in rear 1h~5h battery entirely, and the electrolyte temperature of any single lattice is 25 DEG C ± 2 in the middle of battery
DEG C when, terminated using In A current discharges to accumulator voltage as 10.50V ± 0.05V, the change of current value is not in discharge time
More than ± 2%.
In discharge process an accumulator voltage and electrolyte temperature are recorded every 2h.When voltage reaches 10.80V,
Accumulator voltage is measured at any time, when terminal voltage reaches 10.50V ± 0.10V, stops discharging and recording discharge time and temperature
Degree.
Actual capacity during 25 DEG C of fiducial temperature is converted to by formula (1)：
Ce=In × t [1-0.01 (T-25)] ... ... ... ... ... ... ... (1)
In formula：
Ce--- 25 DEG C of actual capacities, unit:Ah
T --- discharge time, unit:h
T --- final temperature, unit:℃
0.01 --- temperature coefficient, unit:1/℃
Two, idle capacities
After the fully charged end of battery in 1h~5h, in the middle of the battery electrolyte temperature of any single lattice for 25 DEG C ±
At 2 DEG C, terminated using 25A current discharges to accumulator voltage as 10.50V ± 0.05V.The change of current value is not in discharge time
More than ± 1%.
In discharge process an accumulator voltage and electrolyte temperature are recorded every 10min.When voltage reaches 11.0V
When, accumulator voltage is measured at any time, when terminal voltage reaches 10.50V ± 0.05V, stop discharge and record discharge time and
Temperature.
Actual capacity during 25 DEG C of fiducial temperature is converted to by formula (2)：
Cr, e=t [1-0,009 (T-25)] ... ... ... ... ... ... ... ... (2)
In formula：
Cr, e --- 25 DEG C of actual idle capacities of temperature, unit:min
T --- discharge period, unit：min
T --- final electrolyte temperature, unit：℃
0.009 --- temperature coefficient, unit：1/℃
Test result is shown in Table 1：
Table 1
Three, start and stop circulation abilities
Full charge of battery repeats following circulate 3600 times in 25 DEG C ± 2 DEG C of constant temperature water bath：
A) with 45A current discharge 59.0S, then with 300A electric discharges 1S；
B) with constant pressure 14.4V (current limliting 100A) chargings 60S；
(a+b) is 1 circulation above, and 3600 circulations are 1 cycling element.
Circulation is every 3600 times, and battery, which need to open a way, stands 48h, and circulation is started again at thereafter.
Accumulator voltage during 300A electric discharges 1S during note is circulated every time is surveyed, experiment is terminated when terminal voltage is less than 7.20V.
This time cycling element is not counted in cycling element number of times.
Battery is tested by above-mentioned condition, and battery reaches the unit number of table 2 by specification.
Table 2
| Specification | 30Ah | 40Ah | 50Ah | 60Ah | 70Ah | 80Ah | 92Ah | 105Ah |
| Cycling element number | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 |
Four, vibration resistances
Battery is under the conditions of 25 DEG C ± 2 DEG C, with 14.40V ± 0.01V (current limliting 5InA) voltage trickle charge 20h, then
Change and stopped with 0.5I nA continuation chargings 4h.Now battery is defined as fully charged state.Put in 25 DEG C of ± 2 DEG C of environment temperatures
Put 24h.
Battery uses following fixed form according to structure：
--- it is lower to fix：It is that 15Nm~25Nm fixes battery on a vibration table with M8 bolts, torque；
--- it is upper to fix：Battery is compressed with the angle bar of 15mm width, is fixed and stored as 8Nm~12Nm using M8 bolts, torque
Battery is on a vibration table.
Battery vertical vibration 2h under the conditions of 30Hz ± 2Hz frequency, the sine curve of peak acceleration 30 (m/s2).
Check whether battery leakage and disrepair phenomenon occurs at any time in vibration processes.
Completed in 25 DEG C of ± 2 DEG C of vibrations in 4h, battery is not charged in 25 DEG C of ± 2 DEG C of environment temperatures, with Icc A electricity
Electric 30S is banished, accumulator voltage is recorded.
There is not leakage and disrepair phenomenon by the experiment of above-mentioned bar, with Icc A electric discharge 30S, terminal voltage is 9.20V.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (8)
1. a kind of high-performance high current start and stop battery lead plaster, it is characterised in that including anode diachylon and cathode lead plaster；
The anode diachylon is made up of the prescription of following weight：Carbon fiber 0.1%-1.0%, graphene 0.1%-0.5%, graphite
1.0%-3.0%, 4BS crystal seed 3.0%-8.0%, dilute sulfuric acid 5%-10%, rare earth 0.01%-0.1%, surplus is lead powder；
The cathode lead plaster is made up of the prescription of following weight：Carbon fiber 0.1%-1.0%, graphene 0.1%-0.5%, activity
Charcoal 5.0%-10%, barium sulfate 5.0%-10.0%, humic acid 2.0%-5.0%, lignin 1.0%-5.0%, dilute sulfuric acid 5%-
10%, surplus is lead powder.
2. high-performance high current start and stop battery lead plaster according to claim 1, it is characterised in that each wherein in anode diachylon
The preferable weight percent hundred of component is：Carbon fiber 0.5%, graphene 0.3%, graphite 2%, 4BS crystal seeds 5%, rare earth 0.05%,
Dilute sulfuric acid 8%, surplus is lead powder.
3. high-performance high current start and stop battery lead plaster according to claim 1, it is characterised in that each wherein in cathode lead plaster
The preferable weight percent hundred of component is：Carbon fiber 0.5%, graphene 0.3%, activated carbon 7%, barium sulfate 7%, humic acid
3.5%, lignin 3%, dilute sulfuric acid 8%, surplus is lead powder.
4. high-performance high current start and stop battery lead plaster according to claim 1, it is characterised in that by following weight percent hundred
Component be made：The rare earth is any one or the two mixture in any proportion in La or Ge.
5. high-performance high current start and stop battery lead plaster according to claim 1, it is characterised in that by following weight percent hundred
Component be made：The carbon fiber selects T700 carbon fibers.
6. the high-performance high current start and stop battery lead plaster according to claim any one of 1-5, it is characterised in that above-mentioned positive pole
The compound method of lead plaster is as follows：
(1) by graphite, dilute to be configured to emulsion stand-by first；
(2) in 0.8 ton of vacuum paste mixing machine, the lead powder of 1/3-1/2 amounts is first put into, by carbon fiber, graphite, 4BS crystal seeds and rare earth fall
In the lead powder for entering paste mixing machine, stir 5 minutes or so, then remaining lead powder is put into, stir 5 minutes or so, add water after stirring 2 minutes
Add graphene emulsion, add dilute sulfuric acid, 15 minutes stirring while adding, maximum temperature control 75 DEG C or so 3-5 minutes；
(3) all add, finally stirring is cooled to matches somebody with somebody with 5 DEG C of ambient temperature differences, the measurement apparent density i.e. anode diachylon that meets the requirements
System is completed.
7. the high-performance high current start and stop battery lead plaster according to claim any one of 1-5, it is characterised in that above-mentioned negative pole
The compound method of lead plaster is as follows：
(1) by graphite, dilute to be configured to emulsion stand-by；
(2) 1.0 tons of vacuum paste mixing machines, are first put into the lead powder of 1/3-1/2 amounts, by carbon fiber, activated carbon, barium sulfate, humic acid and
Lignin is poured into the lead powder of paste mixing machine, is stirred 5 minutes or so, then remaining lead powder is put into, and is stirred 5 minutes or so, add water stirring 2
Graphene emulsion is added after minute, dilute sulfuric acid is added, 15 minutes stirring while adding or so, maximum temperature was controlled at 75 DEG C or so
3-5 minutes；
(3) all add, finally stirring is cooled to meet the requirements i.e. negative electrode lead with 5 DEG C or so of ambient temperature differences, measurement apparent density
Cream, which is prepared, to be completed.
8. a kind of start and stop battery containing any one of the claim 1-7 lead plasters.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108365179A (en) * | 2018-02-02 | 2018-08-03 | 济源职业技术学院 | A kind of 4BS- graphenes make positive plate of lead storage battery of additive and preparation method thereof |
| CN112490437A (en) * | 2020-11-06 | 2021-03-12 | 浙江天能汽车电池有限公司 | Formula of lead paste for positive plate of start-stop storage battery, positive plate and preparation method of positive plate |
| CN112652765A (en) * | 2020-12-21 | 2021-04-13 | 超威电源集团有限公司 | Negative electrode lead paste of lead-acid storage battery, preparation method of negative electrode lead paste and negative plate |
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