CN105280916B - Lead-acid accumulator is internalized into conjunction cream - Google Patents
Lead-acid accumulator is internalized into conjunction cream Download PDFInfo
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- CN105280916B CN105280916B CN201510070191.3A CN201510070191A CN105280916B CN 105280916 B CN105280916 B CN 105280916B CN 201510070191 A CN201510070191 A CN 201510070191A CN 105280916 B CN105280916 B CN 105280916B
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- lead
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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
Conjunction cream is internalized into the invention provides a kind of lead-acid accumulator, and the percentage that each chemical composition accounts for positive pole paste lead powder quality in positive pole paste is：Concentration is 35% ~ 43% dilute sulfuric acid 8% ~ 9%, deionized water 11% ~ 13%, tin oxide or stannous sulfate 0.05% ~ 0.4%, aquadag or electrically conductive graphite 0.15% ~ 0.4%, chopped fiber or polyester fiber 0.04% ~ 0.1%, basic lead sulphate powder 1% ~ 2%, sulfuric acid lead powder 1% ~ 2%；Negative pole close cream in each chemical composition account for negative pole close cream lead powder quality percentage be：Concentration is 35% ~ 43% dilute sulfuric acid 7.5% ~ 9%, deionized water 10% ~ 12%, acetylene carbon black 2% ~ 4%, sodium lignosulfonate 2% ~ 4%, barium sulfate 8% ~ 14%, chopped fiber or polyester fiber 0.04% ~ 0.1%, humic acid 2% ~ 4%, magnesium sulfate 0.1% ~ 0.2%.Using the present invention of above-mentioned technical proposal, lead-acid accumulator initial capacity can be significantly improved, extend battery life.
Description
Technical field
The invention belongs to Lead-acid Battery Technology field, and in particular to a kind of lead-acid accumulator is internalized into conjunction cream.
Background technology
With in the market electric bicycle, electro-tricycle, the quantity of electric automobile is increasing, electronic to various models
The demand of car battery also increases therewith, and battery, which can be divided into, to be internalized into and tank formation, grid used in tank formation contain cadmium containing antimony,
It is internalized into grid calcic used.And nowadays society grows to even greater heights to the cry for prohibiting cadmium, government also formulated to the end of the year 2013
Prohibit cadmium order and the strict demand to lead-acid storage battery production environmental protection, so, lead-acid accumulator must be converted into interior by tank formation
Chemical conversion, it is impossible to which containing cadmium, still, the existing lead-acid accumulator that is internalized into has that initial capacity is small, battery life is short currently on the market
The problems such as.
The content of the invention
The purpose of the present invention is the defects of presence for prior art, there is provided one kind raising lead-acid accumulator initial capacity,
The lead-acid accumulator for extending battery life is internalized into conjunction cream.
The purpose of the present invention is achieved through the following technical solutions：A kind of lead-acid accumulator is internalized into conjunction cream, and positive pole closes
The percentage that each chemical composition accounts for positive pole paste lead powder quality in cream is：Concentration be 35% ~ 43% dilute sulfuric acid 8% ~ 9%, deionization
Water 11% ~ 13%, tin oxide or stannous sulfate 0.05% ~ 0.4%, aquadag or electrically conductive graphite 0.15% ~ 0.4%, chopped fiber or poly-
Ester fiber 0.04% ~ 0.1%, basic lead sulphate powder 1% ~ 2%, sulfuric acid lead powder 1% ~ 2%；Negative pole closes each chemical composition in cream and accounts for negative pole conjunction
The percentage of cream lead powder quality is：Concentration be 35% ~ 43% dilute sulfuric acid 7.5% ~ 9%, deionized water 10% ~ 12%, acetylene carbon black 2% ~
4%, sodium lignosulfonate 2% ~ 4%, barium sulfate 8% ~ 14%, chopped fiber or polyester fiber 0.04% ~ 0.1%, humic acid 2% ~ 4%, magnesium sulfate
0.1%~0.2%。
The basic lead sulphate content of basic lead sulphate powder is 4% ~ 14% in positive pole paste, four basic lead sulphate content≤98%；
Sulfuric acid lead content is 4% ~ 14% in sulfuric acid lead powder.
The specification of tin oxide or stannous sulfate is the specification of 100 ~ 250 mesh, aquadag or electrically conductive graphite in positive pole paste
For 200 ~ 400 mesh, the specification of chopped fiber or polyester fiber is 2 ~ 5mm, and the specification of basic lead sulphate powder is 100 ~ 250 mesh, sulfuric acid
The specification of lead powder is 100 ~ 250 mesh；The negative pole closes acetylene carbon black resistivity Ω m≤2.5 in cream, and sodium lignosulfonate specification is
Solid content >=95%, sulfuric acid ba gage fineness≤45 μm, chopped fiber or polyester fiber specification are 2 ~ 5mm, and humic acid specification is
100 ~ 120 mesh, magnesium sulfate specification fineness≤45 μm.
The main function of each component is as follows in positive and negative electrode paste formulation：
Tin oxide：To improve the utilization rate of the discharge capacity of lead-acid accumulator and active material, lead-acid accumulator is improved
Charge efficiency.
Stannous sulfate：Ion-transfer is oxidized in charging process into electrolyte, it will penetrate into the solidifying of active material
Jiao Qu, it can prevent the decomposition of hydrated polymer chain as being stained with mixture, and retardance positive active material is in charge and discharge process
Artery effect, so as to extend battery life, mainly solve PCL effects 1,2.
Aquadag：Its oxidation resistance is stronger, increases while enhancing pole plate porosity is played during battery use
Intensity, electric conductivity lifting, increase low temperature capacity, reduce internal resistance and improve the purpose of battery large current charge ability to accept.
Chopped fiber：Its ratio resistance rate and the same order of magnitude of active material, its effect can make the reduction of pole plate resistivity, chemical conversion
It is the transformation efficiency for improving pbo2, shortens the chemical conversion time, reduces power consumption；Strengthening rib result inside conjunction cream simultaneously makes it more have
Intensity, play permanent proof strength purpose.
Basic lead sulphate powder：Containing a certain proportion of four basic lead sulphate, mainly increase battery, and enhancing is closed
Cream intensity.
Sulfuric acid lead powder：Main purpose is conjunction cream is reached in advance in process for preparation from a basic lead sulphate to three alkali formula sulphur
The conversion of lead plumbate, four basic lead sulphates, the later stage is closed cream and be more uniformly distributed unanimously.
Acetylene carbon black：Its crystallization of the product that cracking process obtains and secondary structure are more flourishing, therefore electric conductivity and absorbency
It is more excellent.Because the impurity such as heavy metal are few, thus caused by self discharge loss it is small, it except can improve active material electric conductivity and
Improve outside active material porosity, surface reactive material or organic bentonite can also be adjusted in metallic lead and lead sulfate crystallization process
Swollen dose of distribution, excessive surface reactive material can be assembled and adsorbed on lead and lead sulfate, received so as to improve the charging of negative pole
Ability.
Humic acid：It is organic high molecular compound, and a kind of surface reactive material, itself has stronger adsorptivity
Can, additions of humic acid can make the absorption of high dispersive make discharging product pbso4 crystallizations in metal surface hardly possible in active material surface
To separate out, and it is easier to continue to grow up on the pbso4 crystallized, it is suppressed that the formation of fine and close sulfuric acid lead layer, postponed negative pole
Passivation, serve the effect of nucleus.Additionally, due to humic acid category organic molecule Metallic lead surface absorption so that electrode
The free energy of spongy lead in respective interface accordingly reduces, it is suppressed that the contraction speed of negative electrode active material.Therefore humic acid
Have for negative electrode active material, the effect of nucleator, swelling agent, and because humic acid is a kind of unbodied carbon structure, again
There is pore former.The addition of other humic acid can improve overpotential of hydrogen evolution, battery is played suppression when charging negative
The effect that pole hydrogen separates out.
Barium sulfate：It has and the approximate lattice parameter of lead sulfate, is same eutectic substance.Height in negative electrode active material be present
The scattered barium sulfate of degree, can be as the nucleus of crystal of lead sulfate, because lead sulfate can be tied on the isomorphous barium sulfate during electric discharge
Partial crystallization goes out, and not necessarily forms lead sulfate nucleus, will not thus produce to form the necessary degree of supersaturation of nucleus.It is relatively low in degree of supersaturation
Under conditions of the pbso4 that generates it is much more empty than more loose, be advantageous to H2SO4 diffusion, mitigate concentration polarization.In addition barium sulfate is deposited
Make product pbso4 be separated out on lead, but separated out on barium sulfate, such active material be just unlikely to for pbso4 it is blunt
Change layer to be covered, barium sulfate serves the effect for postponing passivation again.
Sodium lignosulfonate：Belong to high molecular polymer, lignin belongs to organic expander with humic acid, can be to hydrogen negative
Certain Inhibition is precipitated with extremely, its reason can improve negative pole overpotential, therefore press down in the battery not necessarily in addition
The retardant that hydrogen manufacturing separates out.Lignin has stronger adhesive effect, and conjunction cream can be made to be realized with grid and combined closely, lift pole plate machine
Tool intensity, with depassivation and surface area shrinkage in cyclic process can be prevented.The addition of other swelling agent uses plate active material
With stronger porosity, so as to lift the low temperature performance of battery.
Magnesium sulfate：Magnesium sulfate can dissolve in sulfuric acid solution, so as to leave micropore in active material, improve
The porosity of active material, be advantageous to sulfuric acid electrolyte and be diffused into inside pole plate, meet the reaction of active material inside pole plate, enhancing
Pole plate electric conductivity.
Using the present invention of such scheme, following effect can be reached：The initial capacity of lead-acid accumulator can reach two
Hour rate >=126 minute；Battery life：Reach 460 100%DOD, positive plate lead plaster does not soften；Battery charge acceptance carries
Height, electric current Ica are 2.2 with C2/10 results, and 10% is higher by than national standard；Lead-acid accumulator cryogenic property improves, can be 95.3%/- 15
Worked under DEG C environment, 15.3% is higher by than national standard；Low temperature life, up to 210 100%DOD/- 15 DEG C environment temperatures；Greatly
Current discharge time extends, 3.6I2（A）Current discharge terminates when to lead-acid accumulator terminal voltage being 10.5V, discharge time >=30
Minute, beyond national standard 50%.
Embodiment
Embodiment 1：
A kind of lead-acid accumulator is internalized into conjunction cream, and each chemical composition accounts for the percentage of positive pole paste lead powder quality in positive pole paste
Than for：Concentration is 35% ~ 43% dilute sulfuric acid 8% ~ 9%, deionized water 11% ~ 13%, tin oxide or stannous sulfate 0.05% ~ 0.4%, glue
Body graphite or electrically conductive graphite 0.15% ~ 0.4%, chopped fiber or polyester fiber 0.04% ~ 0.1%, basic lead sulphate powder 1% ~ 2%, sulfuric acid
Lead powder 1% ~ 2%；Negative pole close cream in each chemical composition account for negative pole close cream lead powder quality percentage be：Concentration be 35% ~ 43% it is dilute
Sulfuric acid 7.5% ~ 9%, deionized water 10% ~ 12%, acetylene carbon black 2% ~ 4%, sodium lignosulfonate 2% ~ 4%, barium sulfate 8% ~ 14%, chopped fiber
Or polyester fiber 0.04% ~ 0.1%, humic acid 2% ~ 4%, magnesium sulfate 0.1% ~ 0.2%.
The basic lead sulphate content of basic lead sulphate powder is 4% ~ 14% in positive pole paste, four basic lead sulphate content≤98%；
Sulfuric acid lead content is 4% ~ 14% in sulfuric acid lead powder.
The specification of tin oxide or stannous sulfate is the specification of 100 ~ 250 mesh, aquadag or electrically conductive graphite in positive pole paste
For 200 ~ 400 mesh, the specification of chopped fiber or polyester fiber is 2 ~ 5mm, and the specification of basic lead sulphate powder is 100 ~ 250 mesh, sulfuric acid
The specification of lead powder is 100 ~ 250 mesh；The negative pole closes acetylene carbon black resistivity Ω m≤2.5 in cream, and sodium lignosulfonate specification is
Solid content >=95%, sulfuric acid ba gage fineness≤45 μm, chopped fiber or polyester fiber specification are 2 ~ 5mm, and humic acid specification is
100 ~ 120 mesh, magnesium sulfate specification fineness≤45 μm.
The positive and negative electrode paste formulation of embodiment 2 ~ 4 is as shown in table 1：
The positive and negative electrode paste formulation of embodiment 5 ~ 7 is as shown in table 2：
The positive and negative electrode paste formulation of embodiment 8 ~ 10 is as shown in table 3：
The positive and negative electrode paste formulation of embodiment 11 ~ 13 is as shown in table 4：
The positive and negative electrode paste formulation of embodiment 14 ~ 16 is as shown in table 5：
The positive and negative electrode paste formulation of embodiment 17 ~ 19 is as shown in table 6：
The positive and negative electrode paste formulation of embodiment 20 ~ 22 is as shown in table 7：
The positive and negative electrode paste formulation of embodiment 23 ~ 25 is as shown in table 8：
The positive and negative electrode paste formulation of embodiment 26 ~ 28 is as shown in table 9：
The positive and negative electrode paste formulation of embodiment 29 ~ 31 is as shown in table 10：
The positive and negative electrode paste formulation of embodiment 32 ~ 34 is as shown in table 11：
The positive and negative electrode paste formulation of embodiment 35 ~ 37 is as shown in table 12：
The positive and negative electrode paste formulation of embodiment 38 ~ 40 is as shown in table 13：
The positive and negative electrode paste formulation of embodiment 41 ~ 43 is as shown in table 14：
The positive and negative electrode paste formulation of embodiment 44 ~ 46 is as shown in Table 15：
The positive and negative electrode paste formulation of embodiment 47 ~ 48 is as shown in table 16：
Following effect can be reached using the present invention of such scheme：It is small that the initial capacity of lead-acid accumulator can reach two
When rate >=126 minute；Battery life：Reach 460 100%DOD, positive plate lead plaster does not soften；Battery charge acceptance improves,
Electric current Ica is 2.2 with C2/10 results, and 10% is higher by than national standard；Lead-acid accumulator cryogenic property improves, can be at 95.3%/- 15 DEG C
Worked under environment, 15.3% is higher by than national standard；Low temperature life, up to 210 100%DOD/- 15 DEG C environment temperatures；Big electricity
Banish electric time lengthening, 3.6I2（A）Current discharge terminates when to lead-acid accumulator terminal voltage being 10.5V, discharge time >=30 point
Clock, beyond national standard 50%.
Claims (1)
1. lead-acid accumulator is internalized into conjunction cream, it is characterised in that：Each chemical composition accounts for positive pole paste lead powder quality in positive pole paste
Percentage be：Concentration is 35% ~ 43% dilute sulfuric acid 8% ~ 9%, deionized water 11% ~ 13%, tin oxide or stannous sulfate 0.05% ~
0.4%, aquadag or electrically conductive graphite 0.15% ~ 0.4%, chopped fiber or polyester fiber 0.04% ~ 0.1%, basic lead sulphate powder 1% ~
2%, sulfuric acid lead powder 1% ~ 2%；Negative pole close cream in each chemical composition account for negative pole close cream lead powder quality percentage be：Concentration be 35% ~
43% dilute sulfuric acid 7.5% ~ 9%, deionized water 10% ~ 12%, acetylene carbon black 2% ~ 4%, sodium lignosulfonate 2% ~ 4%, barium sulfate 8% ~
14%, chopped fiber or polyester fiber 0.04% ~ 0.1%, humic acid 2% ~ 4%, magnesium sulfate 0.1% ~ 0.2%；
The basic lead sulphate content of basic lead sulphate powder is 4% ~ 14% in the positive pole paste, four basic lead sulphate content≤98%；
Sulfuric acid lead content is 4% ~ 14% in sulfuric acid lead powder；
The specification of tin oxide or stannous sulfate is the specification of 100 ~ 250 mesh, aquadag or electrically conductive graphite in the positive pole paste
For 200 ~ 400 mesh, the specification of chopped fiber or polyester fiber is 2 ~ 5mm, and the specification of basic lead sulphate powder is 100 ~ 250 mesh, sulfuric acid
The specification of lead powder is 100 ~ 250 mesh；The negative pole closes the Ω m of acetylene carbon black resistivity in cream≤2.5, and sodium lignosulfonate specification is
Solid content >=95%, sulfuric acid ba gage fineness≤45 μm, chopped fiber or polyester fiber specification are 2 ~ 5mm, and humic acid specification is
100 ~ 120 mesh, magnesium sulfate specification fineness≤45 μm.
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| CN201510070191.3A CN105280916B (en) | 2015-02-11 | 2015-02-11 | Lead-acid accumulator is internalized into conjunction cream |
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| CN201510070191.3A CN105280916B (en) | 2015-02-11 | 2015-02-11 | Lead-acid accumulator is internalized into conjunction cream |
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| CN105280916B true CN105280916B (en) | 2017-12-19 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106129338B (en) * | 2016-06-30 | 2018-11-02 | 济源市万洋绿色能源有限公司 | Anode and cream technique |
| CN106099049B (en) * | 2016-06-30 | 2018-12-14 | 济源市万洋绿色能源有限公司 | A kind of anode mixing paste technology |
| CN106099119A (en) * | 2016-07-12 | 2016-11-09 | 河北金星电源有限公司 | A kind of long-life pole plate for lead-acid storage battery and manufacture method thereof |
| CN107425200A (en) * | 2017-06-09 | 2017-12-01 | 合肥同佑电子科技有限公司 | A kind of polar plate of lead acid storage battery additive and preparation method thereof |
| CN106981628A (en) * | 2017-06-10 | 2017-07-25 | 湖州知维技术服务有限公司 | A kind of lead-acid accumulator |
| CN107863518A (en) * | 2017-11-08 | 2018-03-30 | 河南超威电源有限公司 | A kind of lead-acid accumulator negative pole lead paste |
| CN109148846B (en) * | 2018-08-07 | 2021-08-17 | 超威电源集团有限公司 | Tubular battery anode lead paste and preparation method thereof |
| CN109192988A (en) * | 2018-10-26 | 2019-01-11 | 漳州市华威电源科技有限公司 | A kind of lead-acid battery positive electrode active material additive and preparation method thereof |
| CN113097573B (en) * | 2021-03-25 | 2022-08-12 | 北京阳光鸿志电气工程技术有限公司 | Quick-charging full-sealed maintenance-free lead-acid storage battery |
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