CN108807859A - A kind of preparation method of modified lead-acid battery electrode - Google Patents
A kind of preparation method of modified lead-acid battery electrode Download PDFInfo
- Publication number
- CN108807859A CN108807859A CN201810947229.4A CN201810947229A CN108807859A CN 108807859 A CN108807859 A CN 108807859A CN 201810947229 A CN201810947229 A CN 201810947229A CN 108807859 A CN108807859 A CN 108807859A
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- lead
- additive
- acid battery
- preparation
- battery electrode
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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
- H01M4/14—Electrodes for lead-acid accumulators
- H01M4/16—Processes of manufacture
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4235—Safety or regulating additives or arrangements in electrodes, separators or 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 present invention relates to a kind of preparation methods of modified lead-acid battery electrode, the anode and cathode of additive is prepared using graphite rod as arc process, the anode and cathode of 2 graphite rods is staggered relatively in the reflection medium of liquid nitrogen, liquid argon or water, it is passed through after high-tension current carries out DC arc discharge and additive carbon nanohorn or carbon onion is made, then the voltage response one end time for applying 300V-500V under the atmosphere of any one of nitrogen, ammonia or the two mixed gas obtains property-modifying additive, and property-modifying additive is added in the anode diachylon and cathode lead plaster of lead-acid battery；The effectively ability to accept of enhancing lead-acid battery charge and discharge, extension cycle life, the anti-electric specific volume of enhancing, enhancing electric conductivity.
Description
Technical field
The invention belongs to battery electrode preparing technical fields, and in particular to a kind of preparation side of modified lead-acid battery electrode
Method.
Background technology
Lead-acid battery is a kind of electrode, is mainly made of lead and its oxide, using sulfuric acid solution as electrolyte；Lead-acid battery
In the discharged condition, positive main component is brown lead oxide, and cathode main component is lead；Lead-acid battery in the charge state, just
The main component of cathode is lead sulfate.During lead-acid battery long-time use, it is that lead sulfate is brilliant that lead sulfate, which is easy crystallization,
Body, one side sulfuric acid leading crystal are coated on anode diachylon and cathode lead plaster, delay sulfuric acid solution and lead in lead plaster in electrolyte
Combination, to influence its electric conductivity, on the other hand so that the sulfuric acid solution in electrolyte is fewer and fewer, so that lead
The service life of sour battery is too short.Moreover, with the use of lead-acid battery, sulfuric acid solution is also increasingly not easy to penetrate into cathode
In lead plaster, so that the electric discharge ability to accept of lead-acid battery reduces, the cycle life of lead-acid battery is caused to shorten.
Invention content
There is provided that a kind of electric conductivity is strong, charge and discharge ability to accept the purpose of the present invention is overcome the deficiencies in the prior art
Height has extended cycle life, the preparation method that anti-electric specific volume is big.
Technical scheme is as follows：
A kind of preparation method of modified lead-acid battery electrode, with any one of carbon modified onion, carbon nanohorn or both
Mixture be added in the cathode lead plaster of lead-acid battery as additive.
Further, the preparation method of the modification lead-acid battery electrode, specific practice are：
Lead powder, sulfuric acid solution, graphite, red lead, polyester fiber, stannous sulfate, water are sufficiently mixed and stir evenly by step 1
Form anode diachylon；
Step 2, by lead powder, sulfuric acid solution, barium sulfate, activated carbon, acetylene black, carbon black, humic acid, polyester fiber, water, wood
Modeling, barium stearate stir to form cathode lead plaster；
Step 3 adds certain mass percentage into step 1 and step 2 respectively in anode diachylon and cathode lead plaster obtained
The aforementioned additive of ratio high-speed stirred 1-2h under vacuum conditions.
Further, the additive added in cathode lead plaster in the step 2 is the 0.5%-100% of cathode lead plaster quality.
Further, the grain size of the additive is 20nm-120nm.
Further, the specific preparation process of the additive is：
S51, additive is prepared using graphite rod as arc process, reflected negative and positive the two poles of the earth of 2 graphite rods are staggered relatively
In medium, the high-tension current for being passed through 1.5 kilo-amperes carries out DC arc discharge, and the anodic product that graphite rod is made is additive；
S52, it step S51 is made to additive is put into the flat-temperature zone of quartz ampoule and be passed through after atmosphere and be heated to 400 DEG C -1500
DEG C, the voltage response 1h-48h for then applying 300V-500V obtains property-modifying additive.
Further, reflect that medium is any one of liquid nitrogen, liquid argon or water in the step S51；
Preferably, when reflecting that medium is liquid nitrogen or liquid argon in the step S51, the anodic product of graphite rod is carbon nanometer
Angle；
Preferably, when reaction media is water in the step S51, the anodic product of graphite rod is carbon onion.
Further, the atmosphere in the step S52 is the mixed gas of any one of nitrogen, ammonia or the two.
Compared with prior art, the beneficial effects of the invention are as follows：
1, additive is added in cathode lead plaster the present invention by a certain percentage, to promote the sulfuric acid solution in electrolyte to ooze
Thoroughly to the ability to accept of lead-acid battery charge and discharge in cathode lead plaster, is effectively improved, extend cycle life, and enhances its ratio that discharges
Capacity；
2, the carbon nanohorn added in cathode lead plaster in the present invention or carbon onion inhibit the generation of sulfuric acid leading crystal, are conducive to
Diffluent little particle lead sulfate particle is formed, to effectively enhance the electric conductivity of cathode lead plaster；
3, the additive in the present invention is prepared using arc process as making lithium ion battery battery using graphite rod as electrode
The additive of pole, and carbonnitrogen bond is introduced to additive by Nitrizing Treatment, to improve the activity of additive, so that modified
Additive afterwards is given the electric conductivity such as electrode and durability and is improved；
In short, the present invention has the effectively ability to accept of enhancing lead-acid battery charge and discharge, extension cycle life, enhancing anti-electric
The advantages of specific volume, enhancing electric conductivity.
Specific implementation mode
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
Embodiment 1
A kind of preparation method of modified lead-acid battery electrode, with any one of carbon modified onion, carbon nanohorn or both
Mixture be added in the cathode lead plaster of lead-acid battery as additive.
Further, the preparation method of the modification lead-acid battery electrode, specific practice are：
Lead powder, sulfuric acid solution, graphite, red lead, polyester fiber, stannous sulfate, water are sufficiently mixed and stir evenly by step 1
Form anode diachylon；
Step 2, by lead powder, sulfuric acid solution, barium sulfate, activated carbon, acetylene black, carbon black, humic acid, polyester fiber, water, wood
Modeling, barium stearate stir to form cathode lead plaster；
Step 3 adds certain mass percentage into step 1 and step 2 respectively in anode diachylon and cathode lead plaster obtained
The aforementioned additive of ratio high-speed stirred 1h under vacuum conditions.
Further, the additive added in cathode lead plaster in the step 2 is the 0.5% of cathode lead plaster quality.
Further, the grain size of the additive is 20nm.
Further, the specific preparation process of the additive is：
S51, additive is prepared using graphite rod as arc process, reflected negative and positive the two poles of the earth of 2 graphite rods are staggered relatively
In medium, the high-tension current for being passed through 1.5 kilo-amperes carries out DC arc discharge, and the anodic product that graphite rod is made is additive；
S52, it step S51 is made to additive is put into the flat-temperature zone of quartz ampoule and be passed through after atmosphere and be heated to 400 DEG C, then apply
The voltage response 1h of 500V is added to obtain property-modifying additive.
Further, reflect that medium is any one of liquid nitrogen, liquid argon or water in the step S51；
Preferably, when reflecting that medium is liquid nitrogen or liquid argon in the step S51, the anodic product of graphite rod is carbon nanometer
Angle；
Preferably, when reaction media is water in the step S51, the anodic product of graphite rod is carbon onion.
Further, the atmosphere in the step S52 is the mixed gas of any one of nitrogen, ammonia or the two.
Embodiment 2
A kind of preparation method of modified lead-acid battery electrode, with any one of carbon modified onion, carbon nanohorn or both
Mixture be added in the cathode lead plaster of lead-acid battery as additive.
Further, the preparation method of the modification lead-acid battery electrode, specific practice are：
Lead powder, sulfuric acid solution, graphite, red lead, polyester fiber, stannous sulfate, water are sufficiently mixed and stir evenly by step 1
Form anode diachylon；
Step 2, by lead powder, sulfuric acid solution, barium sulfate, activated carbon, acetylene black, carbon black, humic acid, polyester fiber, water, wood
Modeling, barium stearate stir to form cathode lead plaster；
Step 3 adds certain mass percentage into step 1 and step 2 respectively in anode diachylon and cathode lead plaster obtained
The aforementioned additive of ratio high-speed stirred 2h under vacuum conditions.
Further, the additive added in cathode lead plaster in the step 2 is the 100% of cathode lead plaster quality.
Further, the grain size of the additive is 120nm.
Further, the specific preparation process of the additive is：
S51, additive is prepared using graphite rod as arc process, reflected negative and positive the two poles of the earth of 2 graphite rods are staggered relatively
In medium, the high-tension current for being passed through 1.5 kilo-amperes carries out DC arc discharge, and the anodic product that graphite rod is made is additive；
S52, it step S51 is made to additive is put into the flat-temperature zone of quartz ampoule and be passed through after atmosphere and be heated to 1500 DEG C, then
The voltage response 48h for applying 300V obtains property-modifying additive.
Further, reflect that medium is any one of liquid nitrogen, liquid argon or water in the step S51；
Preferably, when reflecting that medium is liquid nitrogen or liquid argon in the step S51, the anodic product of graphite rod is carbon nanometer
Angle；
Preferably, when reaction media is water in the step S51, the anodic product of graphite rod is carbon onion.
Further, the atmosphere in the step S52 is the mixed gas of any one of nitrogen, ammonia or the two.
Embodiment 3
A kind of preparation method of modified lead-acid battery electrode, with any one of carbon modified onion, carbon nanohorn or both
Mixture be added in the cathode lead plaster of lead-acid battery as additive.
Further, the preparation method of the modification lead-acid battery electrode, specific practice are：
Lead powder, sulfuric acid solution, graphite, red lead, polyester fiber, stannous sulfate, water are sufficiently mixed and stir evenly by step 1
Form anode diachylon；
Step 2, by lead powder, sulfuric acid solution, barium sulfate, activated carbon, acetylene black, carbon black, humic acid, polyester fiber, water, wood
Modeling, barium stearate stir to form cathode lead plaster；
Step 3 adds certain mass percentage into step 1 and step 2 respectively in anode diachylon and cathode lead plaster obtained
The aforementioned additive of ratio high-speed stirred 1.5h under vacuum conditions.
Further, the additive added in cathode lead plaster in the step 2 is the 50% of cathode lead plaster quality.
Further, the grain size of the additive is 100nm.
Further, the specific preparation process of the additive is：
S51, additive is prepared using graphite rod as arc process, reflected negative and positive the two poles of the earth of 2 graphite rods are staggered relatively
In medium, the high-tension current for being passed through 1.5 kilo-amperes carries out DC arc discharge, and the anodic product that graphite rod is made is additive；
S52, it step S51 is made to additive is put into the flat-temperature zone of quartz ampoule and be passed through after atmosphere and be heated to 500 DEG C, then apply
Mono- 48h of voltage response 1h of 400V are added to obtain property-modifying additive.
Further, reflect that medium is any one of liquid nitrogen, liquid argon or water in the step S51；
Preferably, when reflecting that medium is liquid nitrogen or liquid argon in the step S51, the anodic product of graphite rod is carbon nanometer
Angle；
Preferably, when reaction media is water in the step S51, the anodic product of graphite rod is carbon onion.
Further, the atmosphere in the step S52 is the mixed gas of any one of nitrogen, ammonia or the two.
Embodiment 4
A kind of preparation method of modified lead-acid battery electrode, with any one of carbon modified onion, carbon nanohorn or both
Mixture be added in the cathode lead plaster of lead-acid battery as additive.
Further, the preparation method of the modification lead-acid battery electrode, specific practice are：
Lead powder, sulfuric acid solution, graphite, red lead, polyester fiber, stannous sulfate, water are sufficiently mixed and stir evenly by step 1
Form anode diachylon；
Step 2, by lead powder, sulfuric acid solution, barium sulfate, activated carbon, acetylene black, carbon black, humic acid, polyester fiber, water, wood
Modeling, barium stearate stir to form cathode lead plaster；
Step 3 adds certain mass percentage into step 1 and step 2 respectively in anode diachylon and cathode lead plaster obtained
The aforementioned additive of ratio high-speed stirred 2h under vacuum conditions.
Further, the additive added in cathode lead plaster in the step 2 is the 80% of cathode lead plaster quality.
Further, the grain size of the additive is 70nm.
Further, the specific preparation process of the additive is：
S51, additive is prepared using graphite rod as arc process, reflected negative and positive the two poles of the earth of 2 graphite rods are staggered relatively
In medium, the high-tension current for being passed through 1.5 kilo-amperes carries out DC arc discharge, and the anodic product that graphite rod is made is additive；
S52, it step S51 is made to additive is put into the flat-temperature zone of quartz ampoule and be passed through after atmosphere and be heated to 1000 DEG C, then
The voltage response for applying 350V obtains property-modifying additive for 24 hours.
Further, reflect that medium is any one of liquid nitrogen, liquid argon or water in the step S51；
Preferably, when reflecting that medium is liquid nitrogen or liquid argon in the step S51, the anodic product of graphite rod is carbon nanometer
Angle；
Preferably, when reaction media is water in the step S51, the anodic product of graphite rod is carbon onion.
Further, the atmosphere in the step S52 is the mixed gas of any one of nitrogen, ammonia or the two.
Embodiment 5
A kind of preparation method of modified lead-acid battery electrode, with any one of carbon modified onion, carbon nanohorn or both
Mixture be added in the cathode lead plaster of lead-acid battery as additive.
Further, the preparation method of the modification lead-acid battery electrode, specific practice are：
Lead powder, sulfuric acid solution, graphite, red lead, polyester fiber, stannous sulfate, water are sufficiently mixed and stir evenly by step 1
Form anode diachylon；
Step 2, by lead powder, sulfuric acid solution, barium sulfate, activated carbon, acetylene black, carbon black, humic acid, polyester fiber, water, wood
Modeling, barium stearate stir to form cathode lead plaster；
Step 3 adds certain mass percentage into step 1 and step 2 respectively in anode diachylon and cathode lead plaster obtained
The aforementioned additive of ratio high-speed stirred 1h under vacuum conditions.
Further, the additive added in cathode lead plaster in the step 2 is the 60% of cathode lead plaster quality.
Further, the grain size of the additive is 110nm.
Further, the specific preparation process of the additive is：
S51, additive is prepared using graphite rod as arc process, reflected negative and positive the two poles of the earth of 2 graphite rods are staggered relatively
In medium, the high-tension current for being passed through 1.5 kilo-amperes carries out DC arc discharge, and the anodic product that graphite rod is made is additive；
S52, it step S51 is made to additive is put into the flat-temperature zone of quartz ampoule and be passed through after atmosphere and be heated to 1200 DEG C, then
The voltage response 1h-48h for applying 450V obtains property-modifying additive.
Further, reflect that medium is any one of liquid nitrogen, liquid argon or water in the step S51；
Preferably, when reflecting that medium is liquid nitrogen or liquid argon in the step S51, the anodic product of graphite rod is carbon nanometer
Angle；
Preferably, when reaction media is water in the step S51, the anodic product of graphite rod is carbon onion.
Further, the atmosphere in the step S52 is the mixed gas of any one of nitrogen, ammonia or the two.
Carbon nanohorn or carbon onion conduct of the grain size in 20nm-120nm is added by cathode lead plaster mass percent in the present invention
Additive promotes the sulfuric acid solution in electrolyte to penetrate into cathode lead plaster, effectively improves the receiving energy of lead-acid battery charge and discharge
Power extends cycle life, and enhances its anti-electric specific capacity；Carbon nanohorn and carbon onion effectively inhibit sulfuric acid leading crystal simultaneously
It generates, is formed conducive to the little particle lead sulfate particle of dissolving, to enhance the electric conductivity of cathode lead plaster.
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art,
It still can be with technical scheme described in the above embodiments is modified, or is carried out to which part technical characteristic etc.
With replacing, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection domain of invention.
Claims (7)
1. a kind of preparation method of modified lead-acid battery electrode, which is characterized in that with any in carbon modified onion, carbon nanohorn
The mixture of kind or both is added to as additive in the anode diachylon and cathode lead plaster of lead-acid battery.
2. the preparation method of modified lead-acid battery electrode as described in claim 1, which is characterized in that specific practice is：
Lead powder, sulfuric acid solution, graphite, red lead, polyester fiber, stannous sulfate, water are sufficiently mixed to stir evenly to be formed by step 1
Anode diachylon；
Step 2, by lead powder, sulfuric acid solution, barium sulfate, activated carbon, acetylene black, carbon black, humic acid, polyester fiber, water, wood moulding,
Barium stearate stirs to form cathode lead plaster；
Step 3, respectively the addition certain mass percent in anode diachylon and cathode lead plaster obtained into step 1 and step 2
Aforementioned additive high-speed stirred 1-2h under vacuum conditions.
3. the preparation method of modified lead-acid battery electrode as claimed in claim 2, which is characterized in that cathode in the step 3
The additive added in lead plaster is the 0.5%-100% of cathode lead plaster quality.
4. the preparation method of modified lead-acid battery electrode as described in claim 1, it is characterised in that：The grain size of the additive
Size is 20nm-120nm.
5. the preparation method of modified lead-acid battery electrode as described in claim 1, which is characterized in that the additive it is specific
Preparation process is：
S51, additive is prepared using graphite rod as arc process, negative and positive the two poles of the earth of 2 graphite rods are staggered relatively in reflection medium
In, the high-tension current for being passed through 1.5 kilo-amperes carries out DC arc discharge, and the anodic product that graphite rod is made is additive；
S52, it step S51 is made to additive is put into the flat-temperature zone of quartz ampoule and be passed through after atmosphere and be heated to 400 DEG C -1500 DEG C, so
The voltage response 1h-48h of after-applied 300V-500V obtains property-modifying additive.
6. the preparation method of modified lead-acid battery electrode as claimed in claim 5, it is characterised in that：It is anti-in the step S51
It is any one of liquid nitrogen, liquid argon or water to reflect medium；
Preferably, when reflecting that medium is liquid nitrogen or liquid argon in the step S51, the anodic product of graphite rod is carbon nanohorn；
Preferably, when reaction media is water in the step S51, the anodic product of graphite rod is carbon onion.
7. the preparation method of modified lead-acid battery electrode as claimed in claim 5, it is characterised in that：In the step S52
Atmosphere is the mixed gas of any one of nitrogen, ammonia or the two.
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| CN201810947229.4A CN108807859A (en) | 2018-08-17 | 2018-08-17 | A kind of preparation method of modified lead-acid battery electrode |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110885073A (en) * | 2019-12-16 | 2020-03-17 | 河南英能新材料科技有限公司 | Preparation method of carbon nanohorn-silicon composite material |
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