CN103943881B - A kind of lead calcium is internalized into colloidal electrolyte and preparation method thereof - Google Patents
A kind of lead calcium is internalized into colloidal electrolyte and preparation method thereof Download PDFInfo
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- CN103943881B CN103943881B CN201410173311.8A CN201410173311A CN103943881B CN 103943881 B CN103943881 B CN 103943881B CN 201410173311 A CN201410173311 A CN 201410173311A CN 103943881 B CN103943881 B CN 103943881B
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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
- H01M10/08—Selection of materials as electrolytes
- H01M10/10—Immobilising of electrolyte
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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
- H01M2300/00—Electrolytes
- H01M2300/0085—Immobilising or gelification of electrolyte
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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 lead calcium and be internalized into colloidal electrolyte, its each component percentage by weight is: aerosil 0.8～5%；Sodium silicate 0.1～2%；Anhydrous sodium sulfate 1～2%；Stannous sulfate 0.1～0.5%；Sodium carboxymethyl cellulose 0.05～0.5%；Bismuth oxide 0.02～0.5%；Phosphoric acid 0.2～3%；Sulphuric acid 28～38%；Remaining is water.The invention also discloses a kind of lead calcium and be internalized into the preparation method of colloidal electrolyte, the lead calcium using this kind of colloidal electrolyte to make is internalized into battery, which improve lead calcium and be internalized into the initial capacity attenuation effect of battery, slow down the softening and shedding of positive active material, improve the deeper cavity service life of battery；The colloidal electrolyte concordance using the preparation of the application compound method is good, and colloidal thixotopic is good, and colloidal stability is good.
Description
Technical field
The present invention relates to a kind of lead calcium and be internalized into colloidal electrolyte.
The invention still further relates to a kind of lead calcium and be internalized into the preparation method of colloidal electrolyte.
Background technology
From 2013 the end of the year country cancel and having produced since lead antimony cadmium lead-acid accumulator, most of lead-acid storage battery production producers by
Lead antimony cadmium tank formation is internalized into cells convert to lead calcium, complies with the requirement of national policy.Although lead calcium cell overcomes lead antimony
The fast problem of grid corrosion that cadmium cell exists, but there is also initial stage (front 50 circulations) capacity attenuation soon simultaneously, the life-span is short,
The shortcoming of the easy softening and shedding of active substance, especially battery deep discharge, promote battery drastically to decline.
The uniformity of electrolyte and the thixotropy of colloid, stability battery with two side terminals and cycle life etc. are had to
Close important effect.And the colloidal electrolyte using common mechanical agitation methods preparation purely, easily occur that each component is molten
Solving and insufficient cause electrolyte uneven, raw-material waste, colloidal stability is bad, the phenomenon of layering easily occurs, uses this
The more difficult control of battery consistency that the electrolyte of sample makes, each component is difficult to play its effect in the battery completely.Therefore, need
There is provided a kind of new technical scheme to solve the problems referred to above.
Summary of the invention
Being internalized into battery initial stage (front 50 circulations) capacity attenuation for solving above-mentioned lead calcium, positive material(PAM) softening takes off
Falling, the problem that the deeper cavity life-span is short, the present invention provides the lead calcium of a kind of life-span length to be internalized into colloidal electrolyte.
The present invention also provides for a kind of lead calcium and is internalized into the preparation method of colloidal electrolyte.The colloidal electrolyte prepared is consistent
Property is good, thixotropy is good, good stability.
The technical solution used in the present invention:
A kind of lead calcium is internalized into colloidal electrolyte, and its each component percentage by weight is:
Aerosil 0.8～5%；
Sodium silicate 0.1～2%；
Anhydrous sodium sulfate 1～2%；
Stannous sulfate 0.1～0.5%；
Sodium carboxymethyl cellulose 0.05～0.5%；
Bismuth oxide 0.02～0.5%；
Phosphoric acid 0.2～3%；
Sulphuric acid 28～38%；
Remaining is water.
A kind of lead calcium is internalized into the preparation method of colloidal electrolyte,
A, the sodium carboxymethyl cellulose measured is joined in deionized water, shear with high-speed shearing machine and dissolve, shear
The rotating speed of machine is 2500～3000r/min, shears 30～90min, obtains sodium carboxymethyl cellulose mother solution；
B, the deionized water of 1800-2500 weight portion is added in complex acid machine, ON cycle, then by a certain amount of carboxylic first
Base sodium cellulosate mother solution adds in complex acid machine, allows sodium carboxymethyl cellulose mother solution mix 10～30min with water, then is slowly added
The analytical pure concentrated sulphuric acid of the mass concentration 97% of 1600～2600 weight portions, controlling the maximum temperature during complex acid is 50～80
DEG C, it is the 1.35～1.400g/ml dilute sulfuric acids containing sodium carboxymethyl cellulose that final preparation obtains density；
C, take the dilute sulfuric acid 5-10 weight portion of 1.300～1.400g/ml in glass container, glass container is placed on ultrasonic
In ripple instrument, open ultrasonic instrument stirring, be slowly added to the bismuth oxide measured, ultrasonic dissolution 20～40min, obtain
Bismuth oxide lysate；
D, in cutter, add the deionized water of 500 weight portions, open equipment, the dioxy that will measure with device for inhaling powdery substances
SiClx is added in cutter, and cutter rotating speed is 2500～3000r/min, and high speed shear 30～90min obtains silicon dioxide
Aqueous solution；
E, the density adding 1800～2500 mass parts in colloidal electrolyte preparation bucket are 1.35～1.400g/ml to contain
The dilute sulfuric acid of sodium carboxymethyl cellulose, opens stirring, and arranging mixing speed is 15～50r/min, adds the molten of 5～10 mass parts
Solution has the dilute sulfuric acid of bismuth oxide, is subsequently added into sodium silicate, anhydrous sodium sulfate, stannous sulfate and the phosphoric acid measured, and stirs 5
～20min so that it is fully dissolve, add the aqueous silica solution of 50～150 mass parts, continue stirring 30～90min, and
Adding deionized water regulation colloid acid density is 1.24～1.29g/ml, can complete.
The invention has the beneficial effects as follows: the lead calcium using this kind of colloidal electrolyte to make is internalized into battery, which improves lead
Calcium is internalized into the initial capacity attenuation effect of battery, slows down the softening and shedding of positive active material, and the deeper cavity improving battery makes
Use the life-span；Having concordance according to the colloid acid of above method preparation good, colloidal thixotopic is good, the feature that colloidal stability is good.
Detailed description of the invention
Following embodiment is merely to illustrate the present invention, but can not limit protection scope of the present invention.
Embodiment 1-6 is the embodiment that a kind of lead calcium is internalized into colloidal electrolyte.
Embodiment 1
A kind of lead calcium is internalized into colloidal electrolyte, and each component percentage by weight is: aerosil: 1.5%, sodium silicate:
0.5%, anhydrous sodium sulfate: 1.5%, stannous sulfate: 0.1%, sodium carboxymethyl cellulose (CMC): 0.08%, bismuth oxide: 0.1%,
Phosphoric acid: 0.8%, sulphuric acid: 34%, remaining is water.
Embodiment 2
A kind of lead calcium is internalized into colloidal electrolyte, and each component percentage by weight is: aerosil: 0.8%, sodium silicate:
1.5%, anhydrous sodium sulfate: 1.2%, stannous sulfate: 0.15%, sodium carboxymethyl cellulose (CMC): 0.1%, bismuth oxide: 0.2%,
Phosphoric acid: 0.8%, sulphuric acid: 34%, remaining is water.
Embodiment 3
A kind of lead calcium is internalized into colloidal electrolyte, and each component percentage by weight is: aerosil: 3.5%, sodium silicate:
1.3%, anhydrous sodium sulfate: 1.8%, stannous sulfate: 0.2%, sodium carboxymethyl cellulose (CMC): 0.05%, bismuth oxide: 0.3%,
Phosphoric acid: 0.8%, sulphuric acid: 35.5%, remaining is water.
Embodiment 4
A kind of lead calcium is internalized into colloidal electrolyte, and its each component percentage by weight is: aerosil 5%；Sodium silicate
0.1%；Anhydrous sodium sulfate 1%；Stannous sulfate 0.5%；Sodium carboxymethyl cellulose 0.5%；Bismuth oxide 0.02%；Phosphoric acid
0.2%；Sulphuric acid 28%；Remaining is water.
Embodiment 5
A kind of lead calcium is internalized into colloidal electrolyte, and its each component percentage by weight is: aerosil 4%；Sodium silicate
2%；Anhydrous sodium sulfate 2%；Stannous sulfate 0.3%；Sodium carboxymethyl cellulose 0.3%；Bismuth oxide 0.4%；Phosphatase 11 %；Sulfur
Acid 36%；Remaining is water.
Embodiment 6
A kind of lead calcium is internalized into colloidal electrolyte, and its each component percentage by weight is: aerosil 5%；Sodium silicate
1.8%；Anhydrous sodium sulfate 2%；Stannous sulfate 0.1～0.5%；Sodium carboxymethyl cellulose 0.4%；Bismuth oxide 0.5%；Phosphorus
Acid 3%；Sulphuric acid 38%；Remaining is water.
Aerosil is the particulate material that a kind of specific area is bigger, becomes a kind of thixotropy fabulous after being integrated with water
Gel, can effectively prevent the layering of electrolyte, beneficially the Oxygen cycle in battery charging later stage, reduces the dehydration of battery；
Sodium silicate is the gel that a kind of viscosity is bigger, jointly acts on aerosil；
Anhydrous sodium sulfate and stannous sulfate, be strong electrolyte, has common-ion effect, the life of suppression lead dendritic crystal with lead sulfate
Long, the dendrite short circuit of prevention battery, increase the conductive capability of electrolyte simultaneously and improve the charge acceptance of battery；
Sodium carboxymethyl cellulose (CMC) is gel accelerator and stabilizer, and the colloid glue chain structure of formation can be made necessarily
Keep stable under intensity；
Bismuth oxide can adsorb the surface at active substance, and improves contacting of active substance and grid, reduces and lives
Property material and grid between impedance, improve charge acceptance, eliminate pole plate passivation, can effectively improve lead calcium cell
Initial capacity decay problem；
Phosphoric acid has the effect of refinement lead sulfate crystal grain, reduces the softening and shedding speed of positive active material, improves battery
Deeper cavity service life.
Embodiment 7-9 is the embodiment that lead calcium is internalized into the preparation method of colloidal electrolyte.
Embodiment 7
A kind of lead calcium is internalized into the preparation method of colloidal electrolyte,
A, the sodium carboxymethyl cellulose measured is joined in deionized water, shear with high-speed shearing machine and dissolve, shear
The rotating speed of machine is 2500r/min, shears 30min, obtains sodium carboxymethyl cellulose mother solution；
B, the deionized water of 1800 weight portions is added in complex acid machine, ON cycle, more a certain amount of carboxymethyl is fine
Dimension element mother liquid of sodium adds in complex acid machine, allows sodium carboxymethyl cellulose mother solution and water mixing 10min, then is slowly added 1600 weight
The analytical pure concentrated sulphuric acid of the mass concentration 97% of part, controlling the maximum temperature during complex acid is 50 DEG C, and final preparation obtains density
The dilute sulfuric acid of sodium carboxymethyl cellulose is contained for 1.35g/ml；
C, take dilute sulfuric acid 5 weight portion of 1.300g/ml in glass container, glass container be placed in ultrasonic instrument,
Unlatching ultrasonic instrument stirs, and is slowly added to the bismuth oxide measured, ultrasonic dissolution 20min, obtains bismuth oxide molten
Solve liquid；
D, in cutter, add the deionized water of 500 weight portions, open equipment, the dioxy that will measure with device for inhaling powdery substances
SiClx is added in cutter, and cutter rotating speed is 2500r/min, and high speed shear 30min obtains aqueous silica solution；
E, to add the density of 1800 mass parts in colloidal electrolyte preparation bucket be that 1.35g/ml contains carboxymethyl cellulose
The dilute sulfuric acid of sodium, opens stirring, and arranging mixing speed is 15r/min, adds the dilute sulfur being dissolved with bismuth oxide of 5 mass parts
Acid, is subsequently added into sodium silicate, anhydrous sodium sulfate, stannous sulfate and the phosphoric acid measured, and stirs 5min so that it is fully dissolve, then
Add the aqueous silica solution of 50 mass parts, continue stirring 30min, and add deionized water regulation colloid acid density and be
1.24g/ml, can complete.
Embodiment 8
A kind of lead calcium is internalized into the preparation method of colloidal electrolyte,
A, the sodium carboxymethyl cellulose measured is joined in deionized water, shear with high-speed shearing machine and dissolve, shear
The rotating speed of machine is 2800r/min, shears 60min, obtains sodium carboxymethyl cellulose mother solution；
B, the deionized water of 2200 weight portions is added in complex acid machine, ON cycle, more a certain amount of carboxymethyl is fine
Dimension element mother liquid of sodium adds in complex acid machine, allows sodium carboxymethyl cellulose mother solution and water mixing 20min, then is slowly added 2200 weight
The analytical pure concentrated sulphuric acid of the mass concentration 97% of part, controlling the maximum temperature during complex acid is 65 DEG C, and final preparation obtains density
The dilute sulfuric acid of sodium carboxymethyl cellulose is contained for 1.38g/ml；
C, take dilute sulfuric acid 7 weight portion of 1.38g/ml in glass container, glass container is placed in ultrasonic instrument, opens
Open ultrasonic instrument stirring, be slowly added to the bismuth oxide measured, ultrasonic dissolution 30min, obtain bismuth oxide and dissolve
Liquid；
D, in cutter, add the deionized water of 500 weight portions, open equipment, the dioxy that will measure with device for inhaling powdery substances
SiClx is added in cutter, and cutter rotating speed is 2800r/min, and high speed shear 60min obtains aqueous silica solution；
E, to add the density of 2200 mass parts in colloidal electrolyte preparation bucket be that 1.38g/ml contains carboxymethyl cellulose
The dilute sulfuric acid of sodium, opens stirring, and arranging mixing speed is 35r/min, adds the dilute sulfur being dissolved with bismuth oxide of 7 mass parts
Acid, is subsequently added into sodium silicate, anhydrous sodium sulfate, stannous sulfate and the phosphoric acid measured, and stirs 12min so that it is fully dissolve, then
Add the aqueous silica solution of 100 mass parts, continue stirring 60min, and add deionized water regulation colloid acid density and be
1.27g/ml, can complete.
Embodiment 9
A kind of lead calcium is internalized into the preparation method of colloidal electrolyte,
A, the sodium carboxymethyl cellulose measured is joined in deionized water, shear with high-speed shearing machine and dissolve, shear
The rotating speed of machine is 3000r/min, shears 90min, obtains sodium carboxymethyl cellulose mother solution；
B, the deionized water of 2500 weight portions is added in complex acid machine, ON cycle, more a certain amount of carboxymethyl is fine
Dimension element mother liquid of sodium adds in complex acid machine, allows sodium carboxymethyl cellulose mother solution and water mixing 30min, then is slowly added 2600 weight
The analytical pure concentrated sulphuric acid of the mass concentration 97% of part, controlling the maximum temperature during complex acid is 80 DEG C, and final preparation obtains density
The dilute sulfuric acid of sodium carboxymethyl cellulose is contained for 1.400g/ml；
C, take dilute sulfuric acid 10 weight portion of 1.400g/ml in glass container, glass container be placed in ultrasonic instrument,
Unlatching ultrasonic instrument stirs, and is slowly added to the bismuth oxide measured, ultrasonic dissolution 40min, obtains bismuth oxide molten
Solve liquid；
D, in cutter, add the deionized water of 500 weight portions, open equipment, the dioxy that will measure with device for inhaling powdery substances
SiClx is added in cutter, and cutter rotating speed is 3000r/min, and high speed shear 90min obtains aqueous silica solution；
E, to add the density of 2500 mass parts in colloidal electrolyte preparation bucket be that 1.400g/ml contains carboxymethyl cellulose
The dilute sulfuric acid of sodium, opens stirring, and arranging mixing speed is 50r/min, and add 10 mass parts is dissolved with the dilute of bismuth oxide
Sulphuric acid, is subsequently added into sodium silicate, anhydrous sodium sulfate, stannous sulfate and the phosphoric acid measured, and stirs 20min so that it is fully dissolve,
Add the aqueous silica solution of 150 mass parts, continue stirring 90min, and add deionized water regulation colloid acid density and be
1.29g/ml, can complete.
The lead calcium using colloidal electrolyte of the present invention to make is internalized into battery, can effectively improve lead calcium and be internalized into battery
Initial capacity attenuation effect, slows down the softening and shedding of positive active material, improves the deeper cavity service life of battery.
The colloidal electrolyte concordance using the preparation of the application compound method is good, and colloidal thixotopic is good, and colloidal stability is good.
The 12Ah using colloid of the present invention to make is internalized into circulating battery data:
It follows that the cycle performance in battery is improved, after 50 circulations, capability retention is up to 96%.In lead calcium
Initial stage (front 50 circulations) capacity attenuation of chemical conversion battery is slow, and the life-span is long.
Claims (1)
1. a lead calcium is internalized into the preparation method of colloidal electrolyte, it is characterised in that each component weight of this colloidal electrolyte
Percentage ratio is:
Aerosil 0.8～5%；
Sodium silicate 0.1～2%；
Anhydrous sodium sulfate 1～2%；
Stannous sulfate 0.1～0.5%；
Sodium carboxymethyl cellulose 0.05～0.5%；
Bismuth oxide 0.02～0.5%；
Phosphoric acid 0.2～3%；
Sulphuric acid 28～38%；
Remaining is water；
The preparation method of this colloidal electrolyte, following steps:
A, the sodium carboxymethyl cellulose measured is joined in deionized water, shear with high-speed shearing machine and dissolve, cutter
Rotating speed is 2500～3000r/min, shears 30～90min, obtains sodium carboxymethyl cellulose mother solution；
B, the deionized water of 1800-2500 weight portion is added in complex acid machine, ON cycle, more a certain amount of carboxymethyl is fine
Dimension element mother liquid of sodium adds in complex acid machine, allows sodium carboxymethyl cellulose mother solution mix 10～30min with water, then is slowly added 1600
～2600 analytical pure concentrated sulphuric acids of mass concentration 97% of weight portion, controlling the maximum temperature during complex acid is 50～80 DEG C,
Preparation obtains density eventually is the 1.35～1.400g/ml dilute sulfuric acids containing sodium carboxymethyl cellulose；
C, take the dilute sulfuric acid 5-10 weight portion of 1.300～1.400g/ml in glass container, glass container is placed on ultrasonoscope
In device, open ultrasonic instrument stirring, be slowly added to the bismuth oxide measured, ultrasonic dissolution 20～40min, obtain three oxygen
Change two bismuth lysates；
D, in cutter, add the deionized water of 500 weight portions, open equipment, the silicon dioxide that will measure with device for inhaling powdery substances
Adding in cutter, cutter rotating speed is 2500～3000r/min, and high speed shear 30～90min obtains silicon dioxide water-soluble
Liquid；
E, the density adding 1800～2500 mass parts in colloidal electrolyte preparation bucket are 1.35～1.400g/ml to contain carboxylic first
The dilute sulfuric acid of base sodium cellulosate, opens stirring, and arranging mixing speed is 15～50r/min, adds being dissolved with of 5～10 mass parts
The dilute sulfuric acid of bismuth oxide, is subsequently added into sodium silicate, anhydrous sodium sulfate, stannous sulfate and the phosphoric acid measured, stirring 5～
20min so that it is fully dissolve, adds the aqueous silica solution of 50～150 mass parts, continues stirring 30～90min, and adds
Adding deionized water regulation colloid acid density is 1.24～1.29g/ml, can complete.
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| CN107863564A (en) * | 2017-09-14 | 2018-03-30 | 重庆创祥电源有限公司 | A kind of preparation method of the special colloidal electrolyte of high-performance motorcycle valve-regulated lead-acid battery |
| CN107871898A (en) * | 2017-10-26 | 2018-04-03 | 桂林加宏汽车修理有限公司 | A kind of Colliod electrolyte for accumulator of high charge-discharge speed |
| CN108063283B (en) * | 2017-12-05 | 2020-06-05 | 陆文飞 | Lead-calcium internalization colloid electrolyte and preparation method thereof |
| CN108598345A (en) * | 2018-04-04 | 2018-09-28 | 江苏海宝电池科技有限公司 | A kind of compound AGM partition boards of high-performance |
| CN108808125A (en) * | 2018-08-22 | 2018-11-13 | 东莞市德东科技有限公司 | A kind of electrolyte of colloidal cell |
| CN113991190A (en) * | 2021-09-07 | 2022-01-28 | 江苏海宝电池科技有限公司 | Colloid electrolyte for power battery and preparation method thereof |
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| CN101908649A (en) * | 2010-07-02 | 2010-12-08 | 超威电源有限公司 | Colloidal electrolyte formula for lead-acid storage battery |
| CN102569904A (en) * | 2012-02-27 | 2012-07-11 | 超威电源有限公司 | Colloidal electrolyte for starting type battery |
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| KR100832375B1 (en) * | 2006-11-22 | 2008-05-28 | 세방하이테크 주식회사 | A Gel electrolyte of Long Life Valve regulated sealed lead acid battery for Solar and Wind Power |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101908649A (en) * | 2010-07-02 | 2010-12-08 | 超威电源有限公司 | Colloidal electrolyte formula for lead-acid storage battery |
| CN102569904A (en) * | 2012-02-27 | 2012-07-11 | 超威电源有限公司 | Colloidal electrolyte for starting type battery |
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