CN105870456A - Lead-acid storage battery positive grid surface treatment method - Google Patents
Lead-acid storage battery positive grid surface treatment method Download PDFInfo
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- CN105870456A CN105870456A CN201610353066.8A CN201610353066A CN105870456A CN 105870456 A CN105870456 A CN 105870456A CN 201610353066 A CN201610353066 A CN 201610353066A CN 105870456 A CN105870456 A CN 105870456A
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- Prior art keywords
- aqueous dispersions
- anode plate
- plate grid
- graphite aqueous
- grid
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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
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/665—Composites
- H01M4/667—Composites in the form of layers, e.g. coatings
-
- 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
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/68—Selection of materials for use in 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
- H01M4/64—Carriers or collectors
- H01M4/70—Carriers or collectors characterised by shape or form
- H01M4/72—Grids
-
- 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
- H01M4/64—Carriers or collectors
- H01M4/70—Carriers or collectors characterised by shape or form
- H01M4/72—Grids
- H01M4/73—Grids for lead-acid accumulators, e.g. frame plates
-
- 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
- H01M4/64—Carriers or collectors
- H01M4/82—Multi-step processes for manufacturing carriers for lead-acid accumulators
-
- 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 lead-acid storage battery positive grid surface treatment method. The method comprises the steps that the obverse side and the reverse side of a positive grid make contact with 5 wt%-15 wt% of graphite aqueous dispersion liquid prepared from a hydrophilic conductive graphite material and then dried. According to the method, not only is the interface effect between the positive grid and the active material improved, but also an electrolyte solution-sulfuric acid is prevented from directly making contact with the grid, therefore, the corrosion resistance of the grid is greatly improved, and then the cycle service life of a storage battery is prolonged.
Description
Technical field
The present invention relates to lead-acid accumulator manufacture technology field, particularly relate to a kind of process for positive slab lattice of lead-acid accumulator
Surface treatment method.
Background technology
Lead-acid accumulator relies on its excellent ratio of performance to price, is widely used in stand-by power supply, energy reserve
With fields such as electrical source of power.Although Lead-acid Battery Technology is the most ripe, but lead-acid accumulator there is also not
Foot, particularly battery life is the longest.The softening of active substance and come off and grid corrosion is VRLA battery
The common failure mode of the middle service life cycle affecting battery.This failure mode and anode plate grid and work
The state of property material interface has very close relationship, therefore improves the decay resistance and just of anode plate grid
The interface of pole plate grid and active substance carries out the bonding state modifying to improve grid and active substance, to raising
The service life of VRLA battery has very important effect.
At present, how the interface to grid and active substance is modified and is not also had preferable way.Patent
CN201110298561 discloses a kind of method coating pure tin on grid；Patent CN201410728738
Disclose a kind of by the processing method of grid natron to the interface problem improving between grid and lead plaster.But,
These methods are the most limited to the improvement ability at grid and the interface of active substance.
Summary of the invention
The present invention provides a kind of process for positive slab lattice of lead-acid accumulator surface treatment method, not only improve anode plate grid with
Interfacial effect between active substance, but also stop electrolyte sulphuric acid directly to contact with grid, it is greatly improved
The decay resistance of grid, thus improve the service life cycle of accumulator.
The present invention is achieved through the following technical solutions:
A kind of process for positive slab lattice of lead-acid accumulator surface treatment method, including: use hydrophilic conductive graphitized materials
The graphite aqueous dispersions of the 5-15wt% being configured to contacts with anode plate grid tow sides, is then dried.
Further, said method comprises the steps:
(1) hydrophilic conductive graphitized materials is configured to the graphite aqueous dispersions of 5-15wt%；
(2) the graphite aqueous dispersions prepared is uniformly applied to anode plate grid tow sides, or by positive pole
Grid is immersed in the graphite aqueous dispersions prepared；
(3) by above-mentioned anode plate grid heat drying or natural drying.
Further, the temperature of above-mentioned graphite aqueous dispersions is maintained at 40-60 DEG C.
Further, above-mentioned heat drying is to be dried 30-60min at a temperature of 40-60 DEG C.
Further, the above-mentioned natural drying time is 3-5 hour.
Further, above-mentioned steps (1) is, hydrophilic conductive graphitized materials is added 40-60 DEG C pure
In water, mechanical agitation or ultrasound wave dispersion 10-15min, obtain the graphite aqueous dispersions of above-mentioned 5-15wt%.
Further, in above-mentioned steps (2), anode plate grid is immersed in the graphite aqueous dispersions prepared
Afterwards, ultrasound wave dispersion is used further.
Further, said method comprises the steps:
(1) hydrophilic conductive graphitized materials is added in the pure water of 40-60 DEG C, mechanical agitation or ultrasound wave
Dispersion 10-15min, is configured to the graphite aqueous dispersions of 5-15wt%；
(2) keep the temperature of above-mentioned graphite aqueous dispersions at 40-60 DEG C, the graphite aqueous dispersions that will prepare
It is uniformly applied to anode plate grid tow sides, or anode plate grid is immersed in the graphite aqueous dispersions prepared
In；
(3) above-mentioned anode plate grid is dried 30-60min at a temperature of 40-60 DEG C.
Further, in above-mentioned steps (2), anode plate grid is immersed in the graphite aqueous dispersions prepared,
Use ultrasound wave dispersion 10min further.
Further, above-mentioned anode plate grid is lead-containing alloy material, includes but not limited to lead calcium, slicker solder, lead
Antimony alloy.
The present invention uses hydrophilic conductive graphitized materials, before anode plate grid is coated with cream, is coated in positive plate
Grid surface, carries out being coated with cream the most again, stop be coated with indissoluble between grid and lead plaster after cream lead oxides and
The formation of salt, not only improves the interfacial effect between grid and active substance, but also prevents electrolyte
Sulphuric acid directly contacts with grid, and corrosion resistant graphite protective layer substantially increases the decay resistance of grid, from
And promote the service life cycle of accumulator.
Accompanying drawing explanation
Fig. 1 be the embodiment of the present invention 1 process the lead-acid accumulator made by anode plate grid cycle life with
There is no the correlation curve of the cycle life of the lead-acid accumulator (conventional) made by anode plate grid processed.
Detailed description of the invention
Combine accompanying drawing below by detailed description of the invention the present invention is described in further detail.
The present invention creatively uses the aqueous dispersions of hydrophilic conductive graphitized materials to process anode plate grid, resistance
The only lead oxides of indissoluble and the formation of salt between grid and lead plaster after being coated with cream, not only improve grid with
Interfacial effect between active substance, but also prevent electrolyte sulphuric acid directly to contact with grid, corrosion-resistant
Graphite protective layer substantially increase the decay resistance of grid, thus promote the service life cycle of accumulator.
One most basic embodiment of the process for positive slab lattice of lead-acid accumulator surface treatment method of the present invention is,
The graphite aqueous dispersions of the 5-15wt% being configured to hydrophilic conductive graphitized materials and anode plate grid positive and negative two
Face contacts, and is then dried.
Inventor it turned out, and the graphite aqueous dispersions of concentration 5-15wt% of the present invention, for realizing this
Bright purpose is crucial, if the concentration of graphite aqueous dispersions is less than 5wt%, its effect is insufficient, it is impossible to
Being sufficiently formed the corrosion resistant graphite protective layer decay resistance with raising grid, therefore the circulation of accumulator makes
Improve limited with the life-span；If the concentration of graphite aqueous dispersions is higher than 15wt%, graphite easily precipitates, it is difficult to
Form uniform aqueous dispersions, the uniformity of impact coating.
One preferred embodiment following steps of the present invention:
(1) hydrophilic conductive graphitized materials is configured to the graphite aqueous dispersions of 5-15wt%；
(2) the graphite aqueous dispersions prepared is uniformly applied to anode plate grid tow sides, or by positive pole
Grid is immersed in the graphite aqueous dispersions prepared；
(3) by above-mentioned anode plate grid heat drying or natural drying.
It should be noted that anode plate grid tow sides are coated with graphite aqueous dispersions for improving corrosion resistance
Can be the most crucial with the service life cycle of accumulator, if only one side coating graphite aqueous dispersions, it is impossible to
Give full play to such effect.
In order to improve the dispersion of electrically conductive graphite, present invention dispersed electro-conductive graphite material the most in a heated condition.
In a preferred embodiment of the invention, hydrophilic conductive graphitized materials is added in the pure water of 40-60 DEG C, and
And combine mechanical agitation or ultrasound wave dispersion 10-15min, obtain the graphite aqueous dispersions of above-mentioned 5-15wt%.
This add dissipation of heat and combine mechanical agitation or the scattered mode of ultrasound wave, being greatly improved the dispersion of electrically conductive graphite
Property, and improve dispersion rate, be conducive to saving the jitter time of electrically conductive graphite, improve process efficiency.
Additionally, being dried can be natural drying, it is also possible to be heat drying.The preferred heat drying of the present invention,
It is because heat drying and can accelerate rate of drying, save drying time.In a preferred embodiment of the invention,
30-60min it is dried, it is achieved heat drying at a temperature of 40-60 DEG C.If use natural drying, then natural
Drying time controls at 3-5 hour the most appropriate.
In an embodiment more preferably of the present invention, whole procedure controls temperature and exists
40-60 DEG C is very favorable, i.e. dispersed electro-conductive graphite material in the pure water of 40-60 DEG C of temperature, then graphite
The temperature of aqueous dispersions is maintained at 40-60 DEG C and contacts (coat or soak) with anode plate grid, finally at 40-60 DEG C
At a temperature of be dried.
Can be by the graphite aqueous dispersions prepared be uniformly applied to anode plate grid positive and negative two in the present invention
The mode in face, or anode plate grid is immersed in the mode in the graphite aqueous dispersions prepared, it is achieved graphite
Aqueous dispersions contacts with anode plate grid.From the point of view of the simplicity of operation and the uniformity of effect, preferably
Anode plate grid is immersed in the graphite aqueous dispersions prepared, and it is further preferred that is immersed at anode plate grid
After in the graphite aqueous dispersions prepared, use ultrasound wave dispersion (such as 10min) further.Experiment card
Real, ultrasound wave is dispersed with and helps graphite aqueous dispersions and be formed uniformly on anode plate grid surface.
The most preferred embodiment of the present invention comprises the steps:
(1) hydrophilic conductive graphitized materials is added in the pure water of 40-60 DEG C, mechanical agitation or ultrasound wave
Dispersion 10-15min, is configured to the graphite aqueous dispersions of 5-15wt%；
(2) keep the temperature of above-mentioned graphite aqueous dispersions at 40-60 DEG C, the graphite aqueous dispersions that will prepare
It is uniformly applied to anode plate grid tow sides, or anode plate grid is immersed in the graphite aqueous dispersions prepared
In；
(3) above-mentioned anode plate grid is dried 30-60min at a temperature of 40-60 DEG C.
In above-mentioned the most preferred embodiment, if step (2) uses, anode plate grid is soaked
In the graphite aqueous dispersions prepared, then use ultrasound wave dispersion 10min further.This mode can
Obtain optimal effect.
Anode plate grid in the present invention, is any process for positive slab lattice of lead-acid accumulator commonly used in the art, so
Anode plate grid be well known in the art.Specifically, can be lead-containing alloy material, include but not limited to lead
Calcium, slicker solder, lead-antimony alloy.
Describe the solution of the present invention and effect by the following examples in detail, it should be understood that these embodiments are only
Exemplary, it is impossible to it is interpreted as limiting the scope of the invention.
Embodiment 1
By hydrophilic conductive graphitized materials, add in the pure water of 40-60 DEG C, mechanical agitation 10-15min, join
Make the graphite aqueous dispersions of 5-15wt%, maintain the temperature at 40-60 DEG C, the graphite moisture that then will prepare
Dissipate liquid brush and be uniformly coated on the tow sides of anode plate grid, grid is dried at a temperature of 40-60 DEG C
30-60min。
Embodiment 2
By hydrophilic conductive graphitized materials, add in the pure water of 40-60 DEG C, disperse 10-15min with ultrasound wave,
It is configured to the graphite aqueous dispersions of 5-15wt%, maintains the temperature at 40-60 DEG C, the graphite water that then will prepare
Dispersion liquid brush is uniformly coated on the tow sides of anode plate grid, then by grid at a temperature of 40-60 DEG C
It is dried 30-60min.
Embodiment 3
By hydrophilic conductive graphitized materials, add in the pure water of 40-60 DEG C, mechanical agitation 10-15min, join
Make the graphite aqueous dispersions of 5-15wt%, maintain the temperature at 40-60 DEG C, then anode plate grid is immersed in and joins
20min in the graphite aqueous dispersions made, takes out, and is then dried at a temperature of 40-60 DEG C by grid
30-60min。
Embodiment 4
By hydrophilic conductive graphitized materials, add in the pure water of 40-60 DEG C, disperse 10-15min with ultrasound wave,
It is configured to the graphite aqueous dispersions of 5-15wt%, maintains the temperature at 40-60 DEG C, then anode plate grid is immersed in
20min in the graphite aqueous dispersions prepared, takes out, and is then dried at a temperature of 40-60 DEG C by grid
30-60min。
Embodiment 5
By hydrophilic conductive graphitized materials, add in the pure water of 40-60 DEG C, mechanical agitation 10-15min, join
Make the graphite aqueous dispersions of 5-15wt%, maintain the temperature at 40-60 DEG C, then anode plate grid is immersed in and joins
In the graphite aqueous dispersions made, use ultrasound wave dispersion 10min, take out, then by grid at 40-60 DEG C
At a temperature of be dried 30-60min.
Embodiment 6
By hydrophilic conductive graphitized materials, add in the pure water of 40-60 DEG C, disperse 10-15min with ultrasound wave,
It is configured to the graphite aqueous dispersions of 5-15wt%, maintains the temperature at 40-60 DEG C, then anode plate grid is immersed in
In the graphite aqueous dispersions prepared, use ultrasound wave dispersion 10min, take out, then by grid at 40-60 DEG C
At a temperature of be dried 30-60min.
Experimental performance is tested:
Use the grid obtained by the present invention, carry out producing the accumulator of gained, substantially increase the resistance to of grid
Corrosive nature, improves the interfacial effect between grid and active substance, thus improves the circulation longevity of accumulator
Life.Inventor is experimental verification on the battery of 12V-12Ah, made by the grid after the present invention processes
Battery cycle life, promotes about 20% than not having the battery cycle life made by the grid processed.
Fig. 1 shows the circulation longevity of the lead-acid accumulator made by the anode plate grid that the embodiment of the present invention 1 processes
The correlation curve of the cycle life of the lead-acid accumulator (conventional) made by anode plate grid ordered and do not have process.
Above content is to combine specific embodiment further description made for the present invention, it is impossible to recognize
Determine the present invention be embodied as be confined to these explanations.Ordinary skill for the technical field of the invention
For personnel, without departing from the inventive concept of the premise, it is also possible to make some simple deduction or replace,
All should be considered as belonging to protection scope of the present invention.
Claims (10)
1. a process for positive slab lattice of lead-acid accumulator surface treatment method, it is characterised in that described method includes: the graphite aqueous dispersions of the 5-15wt% being configured to hydrophilic conductive graphitized materials contacts with anode plate grid tow sides, is then dried.
Method the most according to claim 1, it is characterised in that described method comprises the steps:
(1) hydrophilic conductive graphitized materials is configured to the graphite aqueous dispersions of 5-15wt%；
(2) the graphite aqueous dispersions prepared is uniformly applied to anode plate grid tow sides, or anode plate grid is immersed in the graphite aqueous dispersions prepared；
(3) by described anode plate grid heat drying or natural drying.
Method the most according to claim 1 and 2, it is characterised in that the temperature of described graphite aqueous dispersions is maintained at 40-60 DEG C.
Method the most according to claim 2, it is characterised in that described heat drying is to be dried 30-60min at a temperature of 40-60 DEG C.
Method the most according to claim 2, it is characterised in that the described natural drying time is 3-5 hour.
Method the most according to claim 2, it is characterised in that described step (1) is, adds in the pure water of 40-60 DEG C by hydrophilic conductive graphitized materials, mechanical agitation or ultrasound wave dispersion 10-15min, obtains the graphite aqueous dispersions of described 5-15wt%.
Method the most according to claim 2, it is characterised in that in described step (2), after being immersed in by anode plate grid in the graphite aqueous dispersions prepared, uses ultrasound wave dispersion further.
Method the most according to claim 1 and 2, it is characterised in that described method comprises the steps:
(1) hydrophilic conductive graphitized materials is added in the pure water of 40-60 DEG C, mechanical agitation or ultrasound wave dispersion 10-15min, it is configured to the graphite aqueous dispersions of 5-15wt%；
(2) keep the temperature of described graphite aqueous dispersions at 40-60 DEG C, the graphite aqueous dispersions prepared is uniformly applied to anode plate grid tow sides, or anode plate grid is immersed in the graphite aqueous dispersions prepared；
(3) described anode plate grid is dried 30-60min at a temperature of 40-60 DEG C.
Method the most according to claim 8, it is characterised in that in described step (2), is immersed in anode plate grid in the graphite aqueous dispersions prepared, and uses ultrasound wave dispersion 10min further.
Method the most according to claim 1 and 2, it is characterised in that described anode plate grid is lead-containing alloy material, it is preferable that described lead-containing alloy material is selected from lead calcium, slicker solder, lead-antimony alloy.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610353066.8A CN105870456A (en) | 2016-05-25 | 2016-05-25 | Lead-acid storage battery positive grid surface treatment method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610353066.8A CN105870456A (en) | 2016-05-25 | 2016-05-25 | Lead-acid storage battery positive grid surface treatment method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110660974A (en) * | 2019-09-25 | 2020-01-07 | 天能集团（河南）能源科技有限公司 | Lead-acid storage battery for electric vehicle |
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| CN201966278U (en) * | 2011-03-08 | 2011-09-07 | 扬州欧力特电源有限公司 | Negative electrode plate for lead carbon battery |
| CN103311502A (en) * | 2013-05-08 | 2013-09-18 | 上海新池能源科技有限公司 | Metal foil/graphene composite electrode plate and preparation method thereof |
| CN103531818A (en) * | 2013-09-23 | 2014-01-22 | 超威电源有限公司 | Surface treatment process of lead-calcium positive plate grid of lead-acid storage battery |
| CN103715397A (en) * | 2013-12-07 | 2014-04-09 | 河南超威电源有限公司 | Plate grid surface dip bonding liquid and polar plate curing process method |
| CN103811767A (en) * | 2012-11-13 | 2014-05-21 | 海洋王照明科技股份有限公司 | Lead-acid battery positive plate gate as well as preparation method thereof and lead acid battery positive plate |
| CN105375070A (en) * | 2011-08-23 | 2016-03-02 | 株式会社日本触媒 | Gel electrolyte and cell using same |
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2016
- 2016-05-25 CN CN201610353066.8A patent/CN105870456A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101051687A (en) * | 2007-04-13 | 2007-10-10 | 黄翌轩 | Active additive for accumulator, activable or regeneratable accumulator and method for activating or regenerating said accumulator |
| CN101707250A (en) * | 2009-11-04 | 2010-05-12 | 苏州大学 | Positive plate of lead-acid accumulator |
| CN201966278U (en) * | 2011-03-08 | 2011-09-07 | 扬州欧力特电源有限公司 | Negative electrode plate for lead carbon battery |
| CN105375070A (en) * | 2011-08-23 | 2016-03-02 | 株式会社日本触媒 | Gel electrolyte and cell using same |
| CN103811767A (en) * | 2012-11-13 | 2014-05-21 | 海洋王照明科技股份有限公司 | Lead-acid battery positive plate gate as well as preparation method thereof and lead acid battery positive plate |
| CN103311502A (en) * | 2013-05-08 | 2013-09-18 | 上海新池能源科技有限公司 | Metal foil/graphene composite electrode plate and preparation method thereof |
| CN103531818A (en) * | 2013-09-23 | 2014-01-22 | 超威电源有限公司 | Surface treatment process of lead-calcium positive plate grid of lead-acid storage battery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110660974A (en) * | 2019-09-25 | 2020-01-07 | 天能集团（河南）能源科技有限公司 | Lead-acid storage battery for electric vehicle |
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Application publication date: 20160817 |