CN104347879A - Premixing composite cathode additive for lead-acid storage battery - Google Patents
Premixing composite cathode additive for lead-acid storage battery Download PDFInfo
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- CN104347879A CN104347879A CN201410460537.6A CN201410460537A CN104347879A CN 104347879 A CN104347879 A CN 104347879A CN 201410460537 A CN201410460537 A CN 201410460537A CN 104347879 A CN104347879 A CN 104347879A
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- lead
- battery
- acid accumulator
- cathode additive
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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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
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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
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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
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- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses a premixing composite cathode additive for a lead-acid storage battery. The premixing composite cathode additive is characterized by comprising the following components by weight percent: 25%-30% of chitosan, 20%-25% of sodium alginate, 5%-10% of valonea extracts, 15%-20% of anisaldehyde, 10%-15% of sodium lignosulphonate and 10%-25% of barium sulfate. The premixing composite cathode additive disclosed by the invention has the advantages of simplicity in preparation and convenience in use and effective enhancement of multiple properties of the lead-acid storage battery.
Description
Technical field
The present invention relates to a kind of lead acid accumulator premix composite negative pole additive and preparation method, belong to lead acid accumulator and make field.
Background technology
Lead acid accumulator is due to cheap, and raw material is easy to get, and uses reliable, again can the feature such as heavy-current discharge, is the secondary cell that in chemical power source, output is maximum, most widely used always.The appearance of colloid storage battery is again for the development of lead-acid battery provides more wide space.The shortcomings such as the specific power of lead accumulator useful life that is lower and high power discharge is short, constrain its development.And cause the problems referred to above main cause to be caused by negative pole, because of under high-density current discharge scenario, a large amount of lead ions that negative pole produces enter electrolyte, situation about corresponding is sulfate ion diffusion limited in electrolyte, cause lead ion supersaturation, thus the lead sulfate beds of precipitation of one deck densification are formed in negative terminal surface, cause negative terminal surface passivation.Due to lead sulfate poorly conductive, solubility is little, so the reactivity that negative pole can be caused inner plumbous reduces, increases reacted current potential, and when causing charging, liberation of hydrogen is comparatively serious, and charge efficiency declines, and forms vicious circle.If continue high-power discharge and recharge, above situation can worsen further, and lead sulfate deposit seed increases, and such increase process is irreversible again, finally causes negative pole to lose reactivity, battery failure.
People attempt the performance improving lead acid accumulator by various method always, at present, use battery additive be apply comparatively wide, cost is lower, and is effective method.When manufacturing lead-acid battery negative pole plate, always can use the additive of various function, although only account for the some thousandths of of lead powder weight, can improve lead plaster crystal structure, keeping the stability of active material, is also the part of cell integrated design.The Main Function of cathode additive agent is to improve service life of lead accumulator, improves the overall performance of negative plate, comprises organic and inorganic additive two kinds.
Additive carries out premixed before dropping into lead plaster, the stability of pole plate and battery, consistency can be improved, and come by the Additive Production producer of specialty, or the composite additives to negative electrodes of exploitation, also there is cleaner production, error of avoiding feeding intake, the advantage such as to reduce costs.The application of premixed additive technology, has become the new power promoting battery industry development.
Summary of the invention
Based on the shortcoming that background technology exists, the object of this invention is to provide a kind of premix composite negative pole additive, it not only can improve the efficiency of producing with cream, avoids the error that feeds intake, and effectively can also improve the service life cycle of battery, heat-resisting ability and charge acceptance and low temperature performance.
Shitosan and sodium alginate add in acid accumulator negative pole lead by the present invention first, coordinate the conventional substances of other ratios, can significantly improve the properties of storage battery, estimate to reach certain synergy.
Concrete technical scheme of the present invention is as follows: lead acid accumulator premix cathode additive agent of the present invention, each component according to mass percentage, shitosan 25% ~ 30%, sodium alginate 20% ~ 25%, valonea extract 5 ~ 10%, anisaldehyde 15% ~ 20%, sodium lignosulfonate 10 ~ 15%, barium sulfate 10 ~ 25%.
Preferably, described acid accumulator negative pole lead compound additive, each component according to mass percentage, shitosan 25%, sodium alginate 25%, valonea extract 8%, anisaldehyde 6%, sodium lignosulfonate 11%, barium sulfate 25%.
The preparation method of above-mentioned lead acid accumulator premix cathode additive agent is that operation is as follows: mixed in proportion by all components, fully stirs and can obtain under dry state.
The using method of above-mentioned lead acid accumulator premix cathode additive agent is: in negative pole lead powder, add gained additive according to the ratio of 0.2% of its quality, and conventionally prepare lead acid accumulator.
Usefulness of the present invention is:
1, lead acid accumulator premix cathode additive agent of the present invention, carries out premixed, can improve the stability of pole plate and battery, consistency before input lead plaster;
2, lead acid accumulator premix cathode additive agent preparation of the present invention is simple, is applicable to industrial mass production;
3, after lead acid accumulator premix cathode additive agent of the present invention adds storage battery, service life cycle, heat-resisting ability and the charge acceptance of battery can effectively be improved.
Embodiment
Embodiment 1:
Acid accumulator negative pole lead compound additive, each component according to mass percentage, shitosan 25%, sodium alginate 25%, valonea extract 8%, anisaldehyde 6%, sodium lignosulfonate 11%, barium sulfate 25%.
The preparation method of above-mentioned lead acid accumulator premix cathode additive agent is that operation is as follows: mixed in proportion by all components, fully stirs and can obtain under dry state.
Positive plate is conventional 6-DZM-12Ah positive electrode for battery plate, negative plate is on the basis of conventional lead paste formula, with in lead powder, add the above-mentioned acid accumulator negative pole lead compound additive that mass fraction is 0.2% during cream, the ratio of adjustment deionized water and sulfuric acid amount is carried out and cream, manual pasting, obtains negative plate after solidification drying.
The conventional 6-DZM-12Ah positive electrode for battery plate of negative plate obtained as stated above and existing production is carried out assembling according to factory 6-DZM-12Ah assembly technology, acid filling, to change into.And the common 6-DZM-12Ah battery of the same model selecting workshop normally to produce is tested as with reference to battery.
Extract battery (6) the censorship laboratory that one group of conventional 6-DZM-12 battery (6) and one group of negative pole add lead acid accumulator premix cathode additive agent of the present invention, carry out the detection of every data.
Embodiment 2:
Lead acid accumulator premix cathode additive agent, each component according to mass percentage, shitosan 25%, sodium alginate 20%, valonea extract 10%, anisaldehyde 15%, sodium lignosulfonate 10%, barium sulfate 20%.
Positive plate is conventional 6-DZM-12Ah positive electrode for battery plate, negative plate is on the basis of conventional lead paste formula, with in lead powder, add the above-mentioned acid accumulator negative pole lead compound additive that mass fraction is 0.2% during cream, the ratio of adjustment deionized water and sulfuric acid amount is carried out and cream, manual pasting, obtains negative plate after solidification drying.
The conventional 6-DZM-12Ah positive electrode for battery plate of negative plate obtained as stated above and existing production is carried out assembling according to factory 6-DZM-12Ah assembly technology, acid filling, to change into.And the common 6-DZM-12Ah battery of the same model selecting workshop normally to produce is tested as with reference to battery.
Extract battery (6) the censorship laboratory that one group of conventional 6-DZM-12 battery (6) and one group of negative pole add lead acid accumulator premix cathode additive agent of the present invention, carry out the detection of every data.
Embodiment 3:
Lead acid accumulator premix cathode additive agent, each component according to mass percentage, shitosan 30%, sodium alginate 20%, valonea extract 5%, anisaldehyde 20%, sodium lignosulfonate 15%, barium sulfate 10%.
Positive plate is conventional 6-DZM-12Ah positive electrode for battery plate, negative plate on the basis of conventional lead paste formula, and adds above-mentioned acid accumulator negative pole lead compound additive during cream in lead powder, and the ratio of adjustment deionized water and sulfuric acid amount is carried out and cream, manual pasting, obtains negative plate after solidification drying.
Positive plate is conventional 6-DZM-12Ah positive electrode for battery plate, negative plate is on the basis of conventional lead paste formula, with in lead powder, add the above-mentioned acid accumulator negative pole lead compound additive that mass fraction is 0.2% during cream, the ratio of adjustment deionized water and sulfuric acid amount is carried out and cream, manual pasting, obtains negative plate after solidification drying.
Extract battery (6) the censorship laboratory that one group of conventional 6-DZM-12 battery (6) and one group of negative pole add lead acid accumulator premix cathode additive agent of the present invention, carry out the detection of every data.
Embodiment 4:
Lead acid accumulator premix cathode additive agent, each component according to mass percentage, shitosan 25%, sodium alginate 20%, valonea extract 5%, anisaldehyde 15%, sodium lignosulfonate 15%, barium sulfate 20%.
Positive plate is conventional 6-DZM-12Ah positive electrode for battery plate, negative plate on the basis of conventional lead paste formula, and adds above-mentioned acid accumulator negative pole lead compound additive during cream in lead powder, and the ratio of adjustment deionized water and sulfuric acid amount is carried out and cream, manual pasting, obtains negative plate after solidification drying.
Positive plate is conventional 6-DZM-12Ah positive electrode for battery plate, negative plate is on the basis of conventional lead paste formula, with in lead powder, add the above-mentioned acid accumulator negative pole lead compound additive that mass fraction is 0.2% during cream, the ratio of adjustment deionized water and sulfuric acid amount is carried out and cream, manual pasting, obtains negative plate after solidification drying.
Extract battery (6) the censorship laboratory that one group of conventional 6-DZM-12 battery (6) and one group of negative pole add lead acid accumulator premix cathode additive agent of the present invention, carry out the detection of every data.
Embodiment 5 Performance Detection:
(1) charge acceptance test
According to national standard " GB/T22199-2008 sealing lead acid storage battery for electric vehicle ", the battery that lead acid accumulator premix cathode additive agent of the present invention is added in the pole prepared embodiment 1-4 detects.
The charge acceptance of the battery that embodiment 1-4 obtains is better than control group conventional batteries, when charging the 600th second (namely the 10th minute), the charging current of the battery that embodiment 1-4 obtains is respectively: 4.89A, 4.62A, 4.77A, 4.81A, and the charging current of control group conventional batteries is 2.16A.
(2) cycling life test
Cycle life method of testing: in 50 DEG C of environment, to charge 15h, then to be discharged to final voltage 11.0V with constant current 50A is a circulation with constant voltage 14.1V, current limliting 75A, when the discharge capacity of whole Battery pack lower than rated capacity 80% time, end-of-life.
A. capacity attenuation speed
First 25 times of the battery cyclic of embodiment 1, discharge capacity is steady, and when being circulated to the 350th time, discharge capacity is 99.9% of initial capacity;
First 25 times of the battery cyclic of embodiment 2, discharge capacity is steady, and when being circulated to the 350th time, discharge capacity is 99.6% of initial capacity;
First 25 times of the battery cyclic of embodiment 3, discharge capacity is steady, and when being circulated to the 350th time, discharge capacity is 99.4% of initial capacity;
First 25 times of the battery cyclic of embodiment 4, discharge capacity is steady, and when being circulated to the 350th time, discharge capacity is 99.3% of initial capacity;
The circulating battery of control group is 91.2% of initial capacity to discharge capacity when the 350th time, and the battery that the cell decay speed that this patent is produced as can be seen here is obviously produced than original technology is little.
B. capacity circulating number of times
When two groups of Sample Cell cycle lives stop, the circulating battery number of times of embodiment 1 is 558 times, the circulating battery number of times of embodiment 2 is 519 times, the circulating battery number of times of embodiment 3 is 531 times, the circulating battery number of times of embodiment 4 is 526 times, the battery cycle life of control group only has about 205 times, and the life-span improves greatly.
(3) sheet material outward appearance
Battery after 250 circulations terminate, is first full of electricity and then dissects.
Find that the conventional batteries negative plate of control group is very hard, especially pole plate bottom, and the battery of the interpolation of embodiment 1-4 lead acid accumulator premix of the present invention cathode additive agent is after more than 250 circulations, full wafer pole plate is still softer, does not occur the hard phenomenon of plate.
(4) negative plate XRD analysis
The battery of lead acid accumulator premix cathode additive agent of the present invention for the interpolation of embodiment 1-4 and the battery of control group are carried out negative plate XRD analysis.
Can find out that the negative plate top sulfation of the battery of the interpolation of embodiment 1-4 lead acid accumulator of the present invention premix cathode additive agent and the battery of control group is all not obvious, but the sulfation on the cell negative plate top of embodiment 1-4 is more weak;
And obvious sulfation has appearred in the bottom of the normal battery negative plate of control group, still there is not obvious sulfation phenomenon in the negative plate bottom of the battery of the interpolation lead acid accumulator of the present invention premix cathode additive agent of embodiment 1-4.
XRD analysis result advantageously demonstrates after negative plate adds premix cathode additive agent of the present invention effectively can prevent sulfation in cyclic process, and then extends battery cycle life.
In sum, lead acid accumulator premix cathode additive agent preparation of the present invention is simple, easy to use, and can significantly improve the multiple performance of lead acid accumulator.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (3)
1. a lead acid accumulator premix composite negative pole additive, is characterized in that each component is as follows according to mass percentage: shitosan 25% ~ 30%, sodium alginate 20% ~ 25%, valonea extract 5 ~ 10%, anisaldehyde 15% ~ 20%, sodium lignosulfonate 10 ~ 15%, barium sulfate 10 ~ 25%.
2. lead acid accumulator premix composite negative pole additive according to claim 1, is characterized in that each component is as follows according to mass percentage: shitosan 25%, sodium alginate 25%, valonea extract 8%, anisaldehyde 6%, sodium lignosulfonate 11%, barium sulfate 25%.
3. lead acid accumulator premix composite negative pole additive according to claim 1 is preparing the application on lead acid accumulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410460537.6A CN104347879B (en) | 2014-09-11 | 2014-09-11 | A kind of lead-acid accumulator premix composite negative pole additive |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410460537.6A CN104347879B (en) | 2014-09-11 | 2014-09-11 | A kind of lead-acid accumulator premix composite negative pole additive |
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| CN104347879A true CN104347879A (en) | 2015-02-11 |
| CN104347879B CN104347879B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410460537.6A Expired - Fee Related CN104347879B (en) | 2014-09-11 | 2014-09-11 | A kind of lead-acid accumulator premix composite negative pole additive |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105826566A (en) * | 2016-03-18 | 2016-08-03 | 湖州品创孵化器有限公司 | Environment-friendly lead acid battery negative pole additive |
| WO2016169398A1 (en) * | 2015-04-22 | 2016-10-27 | 北京有色金属研究总院 | In-situ crosslinking polymer binder for lithium-ion battery, and electrode manufactured by using same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP0874411A1 (en) * | 1995-08-14 | 1998-10-28 | Yunnuo Zhao | An electrode plate for lead-acid accumulator and producing method thereof |
| CN101882681A (en) * | 2010-06-21 | 2010-11-10 | 冯家齐 | Positive and negative plate additive of lead-acid accumulator and preparation method thereof |
| CN102683708A (en) * | 2012-05-18 | 2012-09-19 | 湖南维邦新能源有限公司 | Negative plate of battery, preparation method thereof and battery comprising negative plate |
| JP2014116317A (en) * | 2012-08-29 | 2014-06-26 | Showa Denko Kk | Electricity storage device and method for manufacturing the same |
-
2014
- 2014-09-11 CN CN201410460537.6A patent/CN104347879B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0874411A1 (en) * | 1995-08-14 | 1998-10-28 | Yunnuo Zhao | An electrode plate for lead-acid accumulator and producing method thereof |
| CN101882681A (en) * | 2010-06-21 | 2010-11-10 | 冯家齐 | Positive and negative plate additive of lead-acid accumulator and preparation method thereof |
| CN102683708A (en) * | 2012-05-18 | 2012-09-19 | 湖南维邦新能源有限公司 | Negative plate of battery, preparation method thereof and battery comprising negative plate |
| JP2014116317A (en) * | 2012-08-29 | 2014-06-26 | Showa Denko Kk | Electricity storage device and method for manufacturing the same |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016169398A1 (en) * | 2015-04-22 | 2016-10-27 | 北京有色金属研究总院 | In-situ crosslinking polymer binder for lithium-ion battery, and electrode manufactured by using same |
| CN106159271A (en) * | 2015-04-22 | 2016-11-23 | 北京有色金属研究总院 | A kind of lithium ion battery in-situ cross-linked polymeric binder and the electrode of preparation thereof |
| CN106159271B (en) * | 2015-04-22 | 2019-04-23 | 北京有色金属研究总院 | A kind of lithium ion battery electrode for being cross-linked in situ polymeric binder and its preparation |
| CN105826566A (en) * | 2016-03-18 | 2016-08-03 | 湖州品创孵化器有限公司 | Environment-friendly lead acid battery negative pole additive |
| CN105826566B (en) * | 2016-03-18 | 2019-02-01 | 浙江品创知识产权服务有限公司 | A kind of environmental protection Additives in negative electrode of lead-acid battery |
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| CN104347879B (en) | 2016-08-24 |
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Address after: 313000 Changxin Huzhou Economic Development Zone, Zhejiang City, South industrial functional area Applicant after: CHANGXING CHAOYUE POWER SCIENCE AND TECHNOLOGY LIMITED COMPANY Address before: 313000 Changxin Huzhou Economic Development Zone, Zhejiang City, South industrial functional area Applicant before: CHANGXING CHAOYUE POWER SCIENCE AND TECHNOLOGY LIMITED COMPANY |
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