CN105273864B - Alkaline battery cleaning agent and its appearance cleaning method of application and alkaline battery - Google Patents
Alkaline battery cleaning agent and its appearance cleaning method of application and alkaline battery Download PDFInfo
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- CN105273864B CN105273864B CN201410344282.7A CN201410344282A CN105273864B CN 105273864 B CN105273864 B CN 105273864B CN 201410344282 A CN201410344282 A CN 201410344282A CN 105273864 B CN105273864 B CN 105273864B
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- alkaline battery
- borohydride
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Abstract
The invention discloses a kind of alkaline battery cleaning agent, contain the first solvent and borohydride salts in the cleaning agent；First solvent is selected from least one of water, ammonium hydroxide and alcohol.The invention also discloses application of the cleaning agent in the appearance cleaning of alkaline battery.The present invention also provides a kind of appearance cleaning methods of alkaline battery, this method comprises: alkaline battery to be cleaned is contacted with cleaning agent of the present invention, then clean the alkaline battery with the second solvent.The alkaline battery cleaning agent can be efficiently used for solving as climb alkali and caused by battery case there is the bad order phenomenon of stain, especially for the nickel-based battery of nickel plating, especially nickel-metal hydride battery etc. bad order phenomenon act on it is obvious.
Description
Technical field
The present invention relates to alkaline battery manufacturing technology fields, and in particular, to a kind of alkaline battery cleaning agent, a kind of alkali
Property battery cleaning agent in the appearance cleaning of alkaline battery application and a kind of alkaline battery appearance cleaning method.
Background technique
Alkaline electrolyte containing potassium hydroxide, lithium hydroxide etc., which often will appear, climbs up outer casing inner wall, along shell wall to
On, the phenomenon that ascending sealing element, such case is commonly referred to as climbing alkali.Alkaline storage battery containing the alkaline electrolyte it is each close
It generally will not be real plane between sealing contact surface, wherein there is many capillary channels, what this will wherein to contain
Alkaline electrolyte is overflowed and climbing alkali phenomenon, so that stain is presented in the surface of battery, forms bad appearance.And pass through
The surface of alkaline battery after use, reprocessing is easier stain caused by climbing alkali occur.
In the prior art, in order to reduce to the greatest extent climb the generation of alkali phenomenon often through smearing sealing glue, improve enclosuring structure
With sealing process, improve the modes such as sealing ring to improve sealing effect.However due to electrocapillarity, improve sealing effect also simultaneously
The generation of alkali phenomenon cannot be prevented to climb.This just needs the removal for the stain generated due to climbing alkali phenomenon to be studied.
The prior art often used for the stain generated due to climbing alkali phenomenon on battery case vibration of ultrasonic wave or
The method of person's polishing is to remove.However, prolonged vibration of ultrasonic wave or long-term polishing will affect the performance of battery.Cause
This, is directed to battery in the art, and the removal of the stain generated on the battery case especially reprocessed due to climbing alkali phenomenon needs
Find a kind of new effective method.
Summary of the invention
The object of the present invention is to provide a kind of alkaline battery cleaning agent, which can not influenced with cleaning agent
Be efficiently used for solving under the premise of battery performance as climb alkali and caused by battery case there is the bad order phenomenon of stain,
Bad order phenomenon effect especially for the nickel-based battery of nickel plating, especially nickel-metal hydride battery etc. is obvious.
To achieve the goals above, on the one hand, the present invention provides a kind of alkaline battery cleaning agent, contain in the cleaning agent
There are the first solvent and borohydride salts；First solvent is selected from least one of water, ammonium hydroxide and alcohol.
On the other hand, the application the present invention also provides a kind of above-mentioned cleaning agent in the appearance cleaning of alkaline battery.
On the other hand, the present invention also provides a kind of appearance cleaning methods of alkaline battery, this method comprises: by be cleaned
Alkaline battery contacted with cleaning agent of the present invention, then clean the alkaline battery with the second solvent.
Alkaline electro caused by as climbing alkali phenomenon is cleaned with cleaning agent by using above-mentioned alkaline battery provided by the invention
Pond appearance has the bad phenomenon of stain, particularly, has good cleaning effect for the stain for the package of alkaline battery reprocessed.
The present inventor thinks that mechanism of the invention may is that used boron hydride can generate hydrogen with solvent reaction
Gas, and generate bubble in order to release the movement for the solution molecule that will drive surrounding, to promote alkaline battery appearance
Stain removal, and usually plating the nickel of nickel-based battery has catalytic action to the generation of hydrogen, and therefore, the present invention is particularly to plating
The stain removal of nickel alkaline battery appearance has good effect.
It is not being influenced when using the bad order stain of above-mentioned cleaning agent of the invention and cleaning method cleaning alkaline battery
Also have the advantages that on the basis of battery performance easy, effective.This method avoid using the prior art vibration of ultrasonic wave or
The defect that caused battery performance (such as capacitance) reduces when person's polishing process.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Specific embodiment
Detailed description of the preferred embodiments below.It should be understood that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
On the one hand, the present invention provides a kind of alkaline battery cleaning agent, the first solvent and boron hydrogen are contained in the cleaning agent
Salt dissolving；First solvent is selected from least one of water, ammonium hydroxide and alcohol.
Alcohol of the present invention can be various common alcoholic solvents, such as the present invention preferably the alcohol can for ethyl alcohol,
Cyclohexanol etc..
Above-mentioned alkaline battery cleaning agent provided by the invention just can be used in solving as climb alkali and caused by outside battery
There is the bad order phenomenon of stain in shell, existing especially for the bad order of the nickel-based battery of nickel plating, especially nickel-metal hydride battery etc.
It is obvious as acting on.
Under preferable case, in cleaning agent provided by the invention, the borohydride salts can be for selected from alkali metal hydroboration
At least one of salt, alkaline-earth metal borohydride salts and ammonium borohydride.
It is highly preferred that the borohydride salts be in potassium borohydride, sodium borohydride, lithium borohydride and ammonium borohydride extremely
Few one kind.
It is particularly preferred that the borohydride salts are selected from least one of potassium borohydride, sodium borohydride and lithium borohydride.
Borohydride salts most preferably of the present invention are the mixture of potassium borohydride and sodium borohydride, and the preferably boron hydrogen
The molar ratio for changing potassium and sodium borohydride is 0.5-2:1.
In alkaline battery cleaning agent of the present invention, preferably described first solvent is water.
In alkaline battery cleaning agent of the present invention, the concentration of the borohydride salts in the cleaning agent can be
0.01-0.8mol/L, the concentration of the borohydride salts in the preferably described cleaning agent are 0.05-0.5mol/L.Of the present invention
In method, when the concentration of borohydride salts be greater than 0.8mol/L when, can't bring it is bad as a result, be only cause raw material waste and
, present invention synthesis, which reduces cost and reaches cleaning effect as early as possible, considers the concentration of preferred borohydride salts no more than 0.8mol/L.
On the other hand, the application the present invention also provides a kind of above-mentioned cleaning agent in the appearance cleaning of alkaline battery.
On the other hand, the present invention also provides a kind of appearance cleaning methods of alkaline battery, this method comprises: by be cleaned
Alkaline battery contacted with cleaning agent of the present invention, then clean the alkaline battery with the second solvent.
When cleaning alkaline battery using the above method of the invention, when especially cleaning the alkaline battery reprocessed, especially
Cleaning can obtain apparent effect when having the alkaline battery as climbing stain caused by alkali phenomenon, using of the invention above-mentioned
Battery appearance after method cleaning is without bad phenomenon, and the cleaning method of the invention does not influence the performance of alkaline battery.
In method of the present invention, can moderately using ultrasonic wave or it be adopted on the basis of not influencing battery performance
Stain caused by alkali phenomenon is climbed with the methods of oscillation, stirring to accelerate to remove.
Under preferable case, in appearance cleaning method of the present invention, the time of the contact is not limited particularly
Fixed, the time that the present invention preferably contacts is so that the appearance cleaning of the alkaline battery is clean, and the present invention is more preferably so that institute
State the stain removal of alkaline battery outer surface.
In order to which cleaning effect is more preferable, preferably alkaline battery to be cleaned is immersed in cleaning agent of the present invention and is carried out
Contact.
In the present invention, in order to be immersed in alkaline battery to be cleaned in cleaning agent of the present invention, it should so that
Cleaning agent of the present invention did not had alkaline battery to be cleaned at least, and the volume of cleaning agent should be greater than the body of alkaline battery
Product, the preferably volume ratio of cleaning agent and alkaline battery are 1-10:1, in order to the cleaning agent that practices every conceivable frugality dosage simultaneously in order to guarantee
The volume ratio of cleaning effect, preferably cleaning agent and alkaline battery is 1.5-2.5:1.
Under preferable case, in appearance cleaning method of the present invention, the condition of the contact includes: the temperature of contact
It can be 5-45 DEG C；The temperature more preferably contacted is 20-30 DEG C.
In appearance cleaning method of the present invention, alkaline battery to be cleaned answers mutually isolated placement, prevents battery
Because accumulation causes to be serially connected, there is the problem of electrolytic cleaned agent.
In appearance cleaning method of the present invention, it is to clean with the purpose that the second solvent cleans the alkaline battery
The cleaning agent for being likely to remain at the alkaline battery surface is removed, the present invention preferably cleans the alkaline battery extremely with the second solvent
The pH value of second solvent is 6-7, and more preferable pH value is 7.In the present invention, described to clean the alkaline battery extremely with the second solvent
The pH value of second solvent refers to for 6-7, cleans the alkaline battery with the second solvent, and the alkaline battery is cleaned in monitoring at any time
The pH value of the second solvent afterwards stops cleaning when the pH value of second solvent is 6-7.
Appearance cleaning method of the present invention can be used for cleaning it is all as climb alkali phenomenon and caused by battery surface
The stain having, under preferable case, alkaline battery to be cleaned of the present invention is steel-alkaline battery；The more preferable alkaline nickel
Battery includes anode end cap and anode coat, and the outer surface of the anode end cap and anode coat is coated with nickel layer.
Appearance cleaning method of the present invention can also be included in clean the alkaline battery with the second solvent after remove
Second solvent, then coating applies oil reservoir on the outer surface of the alkaline battery.The present invention does not have the type for applying oil reservoir
It is special to limit, it can be the common various painting oil reservoirs of the present invention.
In appearance cleaning method of the present invention, to the type of second solvent, there is no particular limitation, as long as
It can be used in removing the cleaning agent for being likely to remain at the alkaline battery surface, and the performance of the alkaline battery do not generated not
Benefit influences, and the present invention preferably second solvent can be at least one of water, acetone and ethyl alcohol.
According to a preferred embodiment of the present invention, the appearance cleaning method may comprise steps of:
(1) with the borohydride salts solution of the first solvent configuration 0.01mol/L-0.8mol/L；
(2) at 5-45 DEG C, alkaline battery to be cleaned is immersed in borohydride salts solution obtained in step (1) and is connect
Touching is until make the appearance cleaning of the alkaline battery clean；
(3) alkaline battery obtained in the second solvent cleaning step (2), cleaning to the pH of the second solvent is 6-7；
(4) alkaline battery obtained in step (3) is removed into the second solvent, then on the outer surface of the alkaline battery
Coating applies oil reservoir.
The present invention will be described in detail by way of examples below.In following embodiment, in the feelings being not particularly illustrated
Under condition, various reagents used are commercially available chemically pure reagent.
In the examples below, alkaline battery to be cleaned used is with same area (about the 1/ of cell area
10) steel-alkaline battery of stain, and the steel-alkaline battery to reprocess, model is Sub-C type；In the examples below, used
Water be deionized water.
Embodiment 1
The present embodiment is used to illustrate the appearance cleaning method of alkaline battery of the invention.Method includes the following steps:
(1) with the potassium borohydride of water configuration 0.25mol/L and mixed solution (and potassium borohydride and the hydroboration of sodium borohydride
The molar ratio of sodium is 1:1)；
(2) at 25 DEG C, alkaline battery to be cleaned is immersed in potassium borohydride and sodium borohydride obtained in step (1)
Mixed solution in contact until stain removal (cleaning agent does not have parlkaline battery, and the volume ratio of cleaning agent and alkaline battery is
2.5:1)；
(3) alkaline battery obtained in step (2) is washed with water, cleaning to the pH of water is 7；
(4) water for removing alkaline battery surface obtained in step (3), then applies on the outer surface of the alkaline battery
Cover painting oil reservoir.
Through detecting the mixed solution contact start timing from the alkaline battery and potassium borohydride and sodium borohydride, until alkali
Property battery surface stain removal used time be 5 hours, battery performance has no adverse effects.
Embodiment 2
The present embodiment is used to illustrate the appearance cleaning method of alkaline battery of the invention.Method includes the following steps:
(1) with the sodium borohydride solution of water configuration 0.5mol/L；
(2) at 30 DEG C, by alkaline battery immersion to be cleaned, (cleaning agent does not have parlkaline battery, and cleaning agent and alkalinity
The volume ratio of battery is 2:1) it is contacted in sodium borohydride solution until stain removes；
(3) alkaline battery obtained in step (2) is washed with water, cleaning to the pH of water is 7；
(4) water for removing alkaline battery surface obtained in step (3), then applies on the outer surface of the alkaline battery
Cover painting oil reservoir.
Through detecting, from alkaline battery and the timing of sodium borohydride solution contact start, until the stain on alkaline battery surface is gone
Except the time used is 6 hours, battery performance has no adverse effects.
Embodiment 3
The present embodiment is used to illustrate the appearance cleaning method of alkaline battery of the invention.Method includes the following steps:
(1) with the solution of potassium borohydride of water configuration 0.05mol/L；
(2) at 5 DEG C, by alkaline battery immersion to be cleaned, (cleaning agent does not have parlkaline battery, and cleaning agent and alkaline electro
The volume ratio in pond is 1.5:1) it is contacted in solution of potassium borohydride until stain removes；
(3) alkaline battery obtained in step (2) is washed with water, cleaning to the pH of water is 6.7；
(4) water for removing alkaline battery surface obtained in step (3), then applies on the outer surface of the alkaline battery
Cover painting oil reservoir.
Through detecting, from the alkaline battery to be cleaned and the timing of solution of potassium borohydride contact start, until alkaline battery
The time that the stain removal on surface is used is 8 hours, and battery performance has no adverse effects.
Embodiment 4
The present embodiment is used to illustrate the appearance cleaning method of alkaline battery of the invention.Method includes the following steps:
(1) with the potassium borohydride of water configuration 0.4mol/L and mixed solution (and potassium borohydride and the hydroboration of sodium borohydride
The molar ratio of sodium is 0.5:1)；
(2) at 30 DEG C, alkaline battery to be cleaned is immersed in potassium borohydride and sodium borohydride obtained in step (1)
Mixed solution in contact until stain removal (cleaning agent does not have parlkaline battery, and the volume ratio of cleaning agent and alkaline battery is
2:1)；
(3) alkaline battery obtained in step (2) is washed with water, cleaning to the pH of water is 7；
(4) water for removing alkaline battery surface obtained in step (3), then applies on the outer surface of the alkaline battery
Cover painting oil reservoir.
Through detecting, from the mixed solution contact start timing of the alkaline battery and potassium borohydride and sodium borohydride, until
The time that the stain removal on alkaline battery surface is used is 6 hours, and battery performance has no adverse effects.
Embodiment 5
The present embodiment is used to illustrate the appearance cleaning side of alkaline battery of the invention using method similar to Example 3
Method.
The difference is that in the present embodiment, the first solvent used and the second solvent are ethyl alcohol.
Through detecting, the alkaline battery to be cleaned from the embodiment of the present invention and the timing of solution of potassium borohydride contact start, directly
The time used to the stain removal on alkaline battery surface is 15 hours, and battery performance has no adverse effects.
Embodiment 6
The present embodiment is used to illustrate the appearance cleaning side of alkaline battery of the invention using method similar to Example 2
Method.
The difference is that the concentration of sodium borohydride solution used in the present embodiment is 0.01mol/L.
Through detecting, the alkaline battery to be cleaned from the embodiment of the present invention and the timing of sodium borohydride solution contact start, directly
The time used to the stain removal on alkaline battery surface is 12 hours, and battery performance has no adverse effects.
Embodiment 7
The present embodiment is used to illustrate the appearance cleaning side of alkaline battery of the invention using method similar to Example 1
Method.
The difference is that borohydride salts used in the present embodiment are sodium borohydride, and the concentration of sodium borohydride solution is
0.25mol/L。
Through detecting, the alkaline battery to be cleaned from the embodiment of the present invention and the timing of sodium borohydride solution contact start, directly
The time used to the stain removal on alkaline battery surface is 6 hours, and battery performance has no adverse effects.
Embodiment 8
The present embodiment is used to illustrate the appearance cleaning side of alkaline battery of the invention using method similar to Example 1
Method.
The difference is that borohydride salts used in the present embodiment are potassium borohydride, and the concentration of solution of potassium borohydride is
0.25mol/L。
Through detecting, the alkaline battery to be cleaned from the embodiment of the present invention and the timing of solution of potassium borohydride contact start, directly
The time used to the stain removal on alkaline battery surface is 6 hours, and battery performance has no adverse effects.
Embodiment 9
The present embodiment is used to illustrate the appearance cleaning side of alkaline battery of the invention using method similar to Example 1
Method.
The difference is that borohydride salts used in the present embodiment are mixture (and the boron hydrogen of potassium borohydride and sodium borohydride
The molar ratio for changing potassium and sodium borohydride is 2.2:1), and the concentration for being formed by solution is 0.25mol/L.
Through detecting, the mixed solution of the alkaline battery to be cleaned from the embodiment of the present invention and potassium borohydride and sodium borohydride
Contact start timing, until the time used in the stain removal on alkaline battery surface is 6 hours, battery performance has no adverse effects.
Comparative example 1
This comparative example is carried out using the method that the prior art provides, specific as follows:
Cleaning agent used in this comparative example is the boric acid solution of 0.5mol/L, remaining step is same as Example 2.
Through detecting, from the boric acid solution contact start timing of the alkaline battery and 0.5mol/L to be cleaned of this comparative example,
Until the time used in the stain removal on alkaline battery surface is 20 hours, battery performance has no adverse effects.
Comparative example 2
This comparative example is carried out using the method that the prior art provides, specific as follows:
Cleaning agent used in this comparative example is the boric acid solution of 0.5mol/L, ultrasonic frequency 45KHz, alkalinity to be cleaned
Battery is contacted with the boric acid solution of 0.5mol/L, remaining step is same as Example 2.
Through detecting, from the boric acid solution contact start timing of the alkaline battery and 0.5mol/L to be cleaned of this comparative example,
Until the time used in the stain removal on alkaline battery surface is 3 hours, battery capacity decaying 4%.
It can be seen that by the data of comparative example 1-9 and comparative example 1-2 and cleaned using cleaning agent provided by the invention
The bad phenomenon for having stain as climbing alkaline battery appearance caused by alkali phenomenon, particularly, for the outer of the alkaline battery reprocessed
There is good cleaning effect when the stain on surface.Using the appearance of cleaning agent of the invention and cleaning method cleaning alkaline battery
When bad stain, battery performance is not influenced usually.Cleaning method of the invention also avoids the ultrasonic wave shake using the prior art
The defect that caused battery performance reduces when dynamic or polishing process.
The preferred embodiment of the present invention has been described above in detail, still, during present invention is not limited to the embodiments described above
Detail within the scope of the technical concept of the present invention can be with various simple variants of the technical solution of the present invention are made, this
A little simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (13)
1. a kind of application of cleaning agent in the appearance cleaning of alkaline battery, which is characterized in that contain first in the cleaning agent
Solvent and borohydride salts, and the concentration of the borohydride salts in the cleaning agent is 0.01-0.8mol/L；First solvent is selected from
Water and/or alcohol.
2. application according to claim 1, wherein the borohydride salts are selected from alkali metal borohydride salts, alkaline-earth metal
At least one of borohydride salts and ammonium borohydride.
3. application according to claim 2, wherein the borohydride salts are selected from potassium borohydride, sodium borohydride, hydroboration
At least one of lithium and ammonium borohydride.
4. application according to claim 3, wherein the borohydride salts are potassium borohydride and sodium borohydride, and hydroboration
The molar ratio of potassium and sodium borohydride is 0.5-2:1, and first solvent is water.
5. application according to claim 1, wherein the concentration of the borohydride salts in the cleaning agent is 0.05-0.5mol/
L。
6. a kind of appearance cleaning method of alkaline battery, which is characterized in that this method comprises: by alkaline battery to be cleaned and clearly
Lotion contacts, then clean the alkaline battery with the second solvent, and the cleaning agent is described in any one of claim 1-5
Cleaning agent in.
7. according to the method described in claim 6, wherein, the condition of the contact includes that temperature is 5-45 DEG C.
8. according to the method described in claim 7, wherein, the condition of the contact includes that temperature is 20-30 DEG C.
9. according to the method described in claim 6, wherein, the pH value of the alkaline battery to the second solvent is cleaned with the second solvent
For 6-7.
10. according to the method described in claim 6, wherein, the alkaline battery to be cleaned is steel-alkaline battery.
11. according to the method described in claim 10, wherein, the steel-alkaline battery includes anode end cap and anode coat, and
The outer surface of the anode end cap and anode coat is coated with nickel layer.
12. the method according to any one of claim 6-11, wherein this method further include: clear with the second solvent
The second solvent is removed after washing the alkaline battery；Then coating applies oil reservoir on the outer surface of the alkaline battery.
13. according to right want any one of 6-11 described in method, wherein second solvent be water, acetone and ethyl alcohol in
At least one.
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| Application Number | Priority Date | Filing Date | Title |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410344282.7A CN105273864B (en) | 2014-07-18 | 2014-07-18 | Alkaline battery cleaning agent and its appearance cleaning method of application and alkaline battery |
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| CN105273864B true CN105273864B (en) | 2019-03-29 |
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| CN103183481A (en) * | 2011-12-31 | 2013-07-03 | 周菊香 | Cleaning method for optical glass |
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| WO2004000988A1 (en) * | 2002-06-20 | 2003-12-31 | Unilever N.V. | Process for production of solid detergent compositions |
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| CN1485419A (en) * | 2003-08-18 | 2004-03-31 | 山西大学 | Cleaning soap for dustless writing board and process for preparing the same |
| CN101428756A (en) * | 2008-11-27 | 2009-05-13 | 中山大学 | Automatic hydrogen production method by using hydroboron composition |
| CN201699082U (en) * | 2010-05-05 | 2011-01-05 | 浙江天能能源科技有限公司 | Automatic battery washing machine |
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