CN108428890A - A kind of lead-acid accumulator anode diachylon and preparation method thereof - Google Patents
A kind of lead-acid accumulator anode diachylon and preparation method thereof Download PDFInfo
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- CN108428890A CN108428890A CN201810316037.3A CN201810316037A CN108428890A CN 108428890 A CN108428890 A CN 108428890A CN 201810316037 A CN201810316037 A CN 201810316037A CN 108428890 A CN108428890 A CN 108428890A
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- Prior art keywords
- lead
- anode diachylon
- acid accumulator
- accumulator anode
- acid
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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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/56—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of lead
- H01M4/57—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of lead of "grey lead", i.e. powders containing lead and lead oxide
-
- 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
- H01M4/621—Binders
- H01M4/622—Binders being polymers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention discloses a kind of lead-acid accumulator anode diachylons and preparation method thereof.It is indicated with weight percentage, the raw material group of the anode diachylon becomes：Lead powder 75~85%, sulfuric acid 8~15%, stannous sulfate 0.1~0.3%, conductive fiber 0.05~0.15%, aquadag 0.2~0.5%, gallic oxide 0.8~1.5%, sodium pyrophosphate 0.05%~0.15%, surplus are deionized water；The sum of each raw material weight percentage composition is 100%.Technical solution can effectively improve the binding force of grid and anode diachylon during lead-acid storage battery production through the invention, prevent active material from falling off, the uniformity for improving the electric conductivity and utilization rate and current distribution of positive active material simultaneously is finally reached the effect for extending battery life.Therefore, technical solution of the present invention can effectively solve the problem that the shorter problem of existing battery life.
Description
One, technical field：
The invention belongs to Lead-acid Battery Technology fields, more particularly to a kind of lead-acid accumulator anode diachylon and its system
Preparation Method.
Two, background technology：
Battery technology is the second largest key technology of new century, there is boundless foreground.It is sent out from Pulan spy in 1859
Since bright lead-acid accumulator, long-term exploration and research are undergone, in the 1960s, the power supply company of the country such as America and Europe opens again
Have issued valve-regulated lead-acid battery (abbreviation VRLA batteries).Although nowadays being impacted by lithium electricity, fuel cell, due to it
Have the characteristics that cheap, raw material is easy to get, using reliable and can be large current discharge again, be always in electrochmical power source yield answer greatly
With the wide product of range, it is widely used in the various aspects such as vehicle launch, communication, railway, mine, electric power and traffic.
Currently, what electric vehicle used substantially is all lead-acid accumulator, service life should be 2 under normal circumstances for the battery
Year or so, but used under relatively high power due to battery in practical application, battery uses load excessive, is born beyond battery
Ability causes discharge capacity of the cell to decline, and the service life terminates in advance.And the decline of positive plate performance is the main original that battery capacity declines
Cause.Therefore, extend the service life of battery while how improving its performance, guarantee battery capacity using additive in anode diachylon
It is current urgent problem；Especially nowadays lead-acid battery Market competition, battery life it is short and caused by return goods
Problem can also have a great impact to the prestige of enterprise while causing cost economic loss to enterprise.
Three, invention content：
The technical problem to be solved by the present invention is to：According to current Lead-acid Battery Technology field to how to make in anode diachylon
Its performance is improved with suitable additive, ensures to extend the technical barrier in the service life of battery while battery capacity, and the present invention provides
A kind of lead-acid accumulator anode diachylon and preparation method thereof.Technical solution can effectively improve lead-acid accumulator through the invention
The binding force of grid and anode diachylon, prevents active material from falling off in production process, while improving the conduction of positive active material
Property and utilization rate and current distribution uniformity, be finally reached extend battery life effect.
To solve the above-mentioned problems, the technical solution adopted by the present invention is that：
The present invention provides a kind of lead-acid accumulator anode diachylon, is indicated with weight percentage, the anode diachylon
Raw material group becomes：Lead powder 75~85%, sulfuric acid 8~15%, stannous sulfate 0.1~0.3%, conductive fiber 0.05~0.15%,
Aquadag 0.2~0.5%, gallic oxide 0.8~1.5%, sodium pyrophosphate 0.05%~0.15%, surplus are deionization
Water；The sum of each raw material weight percentage composition is 100%.
According to above-mentioned lead-acid accumulator anode diachylon, the lead powder is ball milling lead powder, and oxidizability is 72~78%,
Grain size is 5~10 μm.
According to above-mentioned lead-acid accumulator anode diachylon, the mass percentage concentration of the sulfuric acid is 45%.
According to above-mentioned lead-acid accumulator anode diachylon, purity >=99.0wt% of the stannous sulfate.
According to above-mentioned lead-acid accumulator anode diachylon, the conductive fiber be polythiophene fiber, polypyrrole fiber or
Polypropylene fibre.
According to above-mentioned lead-acid accumulator anode diachylon, the aquadag is crystalline flake graphite, purity >=
99.9wt%, grain size≤15 μm.
According to above-mentioned lead-acid accumulator anode diachylon, purity >=99.5wt% of the gallic oxide.
According to above-mentioned lead-acid accumulator anode diachylon, purity >=98wt% of the sodium pyrophosphate.
Additionally, it is provided a kind of preparation method of lead-acid accumulator anode diachylon, the preparation method comprises the following steps：
A, prepare various raw materials according to the raw material of above-mentioned lead-acid accumulator anode diachylon composition；
B, paste mixing machine is added in lead powder first to stir 10~15 minutes, is subsequently added into the deionized water weighed and stirs 2~3 points
Clock；The mixture that stannous sulfate, conductive fiber, aquadag, gallic oxide and sodium pyrophosphate is added is shut down after stirring, is continued
Stirring 6~10 minutes；
C, the sulfuric acid weighed is then added while stirring, mixing time is 15~18 minutes；Work as temperature in sulfuric acid adition process
When degree reaches 58~60 DEG C, open cycle wind and recirculated water reduce temperature, control temperature≤63 DEG C；
D, sulfuric acid be added after continue stirring 10~15 minutes, after stirring measure gained lead plaster apparent density be 4.40 ±
0.02g/cm3, cream is finally carried out out, keeps out cream temperature at 45 ± 5 DEG C, obtains lead-acid accumulator anode diachylon.
The positive beneficial effect of the present invention：
1, during lead-acid accumulator of the present invention is formed with anode diachylon raw material other than normal components, pyrophosphoric acid is newly added
Sodium, sodium pyrophosphate are added when with cream, are uniformly mixed in active material lead plaster, to change the active material of brown lead oxide
And the structure and activity of grid corrosion layer can improve the electric discharge electricity of battery although the initial capacity of battery can be reduced slightly
The bonding strength of pressure, active material and grid is been significantly enhanced.Contact enhancing of the particle with agglomerate in active material, is reduced
The falling off of active material.Prevent battery failure caused by falling off due to active material.The gallic oxide Ga being added simultaneously2O3
There is prodigious effect to the charge and discharge blanking voltage of battery, platform voltage of the battery in charging process can be reduced, this meaning
The platform voltage that battery can be not readily reachable by charging process required by gassing, while reducing gassing rate, more
Electric current enters charging reaction.The final capacity for improving battery, and fluid loss is reduced, improve the cycle life of battery.
2, with lead-acid accumulator of the present invention with anode diachylon be assembled into 6-DZM-12 batteries test and and routine 6-
The comparison of DZM-12 batteries (our company conventional batteries require initial discharge time in 120min or more, cycle life 350 times with
On), laboratory is discharged to single voltage 10.5V at 25 DEG C with 6A discharge currents and terminates, and discharge time 123min meets mark
The 120min of alignment request carries out cycle life by 2hr and is higher by about 80 cycles than conventional batteries.Therefore, technical solution of the present invention
It can effectively solve the problem that the shorter problem of existing battery life.
Four, specific implementation mode：
The present invention is further explained with reference to embodiments, but is not intended to limit the range of technical solution of the present invention protection.
For the lead powder used in following embodiment for ball milling lead powder, oxidizability is 72~78%, and grain size is 5~10 μm；Sulphur
The mass percentage concentration of acid is 45%；Purity >=99.0wt% of stannous sulfate；Aquadag is crystalline flake graphite, purity >=
99.9wt%, grain size≤15 μm；Purity >=99.5wt% of gallic oxide；Purity >=98wt% of sodium pyrophosphate.
Embodiment 1：
Lead-acid accumulator anode diachylon of the present invention indicates, raw material group becomes with weight percentage：Lead powder 80%,
Sulfuric acid 12%, stannous sulfate 0.15%, polythiophene fiber 0.09%, aquadag 0.3%, gallic oxide 1.0%, pyrophosphoric acid
Sodium 0.08%, surplus are deionized water；The sum of each raw material percentage composition is 100%.
Embodiment 2：
Lead-acid accumulator anode diachylon of the present invention indicates, raw material group becomes with weight percentage：Lead powder 80%,
Sulfuric acid 12%, stannous sulfate 0.18%, polypyrrole fiber 0.12%, aquadag 0.4%, gallic oxide 1.2%, pyrophosphoric acid
Sodium 0.06%, surplus are deionized water；The sum of each raw material percentage composition is 100%.
Embodiment 3：
Lead-acid accumulator anode diachylon of the present invention indicates, raw material group becomes with weight percentage：Lead powder 81%,
Sulfuric acid 10%, stannous sulfate 0.25%, polypyrrole fiber 0.10%, aquadag 0.35%, gallic oxide 0.85%, burnt phosphorus
Sour sodium 0.12%, surplus are deionized water；The sum of each raw material percentage composition is 100%.
Embodiment 4：
Lead-acid accumulator anode diachylon of the present invention indicates, raw material group becomes with weight percentage：Lead powder 81%,
Sulfuric acid 10%, stannous sulfate 0.22%, polypropylene fibre 0.11%, aquadag 0.38%, gallic oxide 0.9%, burnt phosphorus
Sour sodium 0.08%, surplus are deionized water；The sum of each raw material percentage composition is 100%.
Embodiment 5：
Lead-acid accumulator anode diachylon of the present invention indicates, raw material group becomes with weight percentage：Lead powder 81%,
Sulfuric acid 11%, stannous sulfate 0.22%, polypropylene fibre 0.12%, aquadag 0.40%, gallic oxide 1.20%, burnt phosphorus
Sour sodium 0.12%, surplus are deionized water；The sum of each raw material percentage composition is 100%.
Embodiment 6：
The preparation method of 1-5 lead-acid accumulator anode diachylons of the embodiment of the present invention, the detailed step of the preparation method is such as
Under：
A, prepare various raw materials first, in accordance with the raw material of any lead-acid accumulator anode diachylon composition；
B, paste mixing machine is added in lead powder first to stir 15 minutes, is subsequently added into the deionized water weighed and stirs 2 minutes；Stirring
The mixture that stannous sulfate, conductive fiber, aquadag, gallic oxide and sodium pyrophosphate is added is shut down afterwards, continues 8 points of stirring
Clock；
C, the sulfuric acid weighed is then added while stirring, mixing time is 15 minutes；When temperature reaches in sulfuric acid adition process
When to 58 DEG C, open cycle wind and recirculated water reduce temperature, control temperature≤63 DEG C；
D, sulfuric acid be added after continue stirring 10 minutes, after stirring measure gained lead plaster apparent density be 4.40 ±
0.02g/cm3, cream is finally carried out out, keeps out cream temperature at 45 ± 5 DEG C, obtains lead-acid accumulator anode diachylon.
Lead-acid accumulator prepared by the above embodiment of the present invention 1-5 with anode diachylon be assembled into 6-DZM-12 batteries and and
Super prestige routine 6-DZM-12 batteries are tested for the property, and (newest national standard cycle life is not less than shown in test result table 1
350 times, -18 DEG C of electric discharges are not less than 84min, and -10 DEG C of electric discharges are not less than 96min, 3.6I2Heavy-current discharge is not less than 25min).
The 6-DZM-12 battery performance test results of 1 anode diachylon of the present invention of table assembling
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Conventional batteries | |
| Cycle life/time | 434 | 457 | 422 | 421 | 461 | 384 |
| - 18 DEG C of electric discharge/min | 98 | 98 | 97 | 96 | 97 | 97 |
| - 10 DEG C of electric discharge/min | 105 | 106 | 108 | 107 | 107 | 106 |
| 3.6I2Electric discharge/min | 28.1 | 29.4 | 28.6 | 28.5 | 29.2 | 27.2 |
As can be seen from Table 1, the anode diachylon prepared using technical solution of the present invention is assembled into battery, the cycle of battery
Service life and heavy-current discharge performance are all substantially better than existing conventional techniques, and cryogenic property variation is little.
Claims (9)
1. a kind of lead-acid accumulator anode diachylon, which is characterized in that indicated with weight percentage, the original of the anode diachylon
Material group becomes：Lead powder 75~85%, sulfuric acid 8~15%, stannous sulfate 0.1~0.3%, conductive fiber 0.05~0.15%, glue
Body graphite 0.2~0.5%, gallic oxide 0.8~1.5%, sodium pyrophosphate 0.05%~0.15%, surplus are deionized water；
The sum of each raw material weight percentage composition is 100%.
2. lead-acid accumulator anode diachylon according to claim 1, it is characterised in that：The lead powder is ball milling lead powder,
Its oxidizability is 72~78%, and grain size is 5~10 μm.
3. lead-acid accumulator anode diachylon according to claim 1, it is characterised in that：The quality percentage of the sulfuric acid is dense
Degree is 45%.
4. lead-acid accumulator anode diachylon according to claim 1, it is characterised in that：The purity of the stannous sulfate >=
99.0wt%.
5. lead-acid accumulator anode diachylon according to claim 1, it is characterised in that：The conductive fiber is polythiophene
Fiber, polypyrrole fiber or polypropylene fibre.
6. lead-acid accumulator anode diachylon according to claim 1, it is characterised in that：The aquadag is scale stone
Ink, purity >=99.9wt%, grain size≤15 μm.
7. lead-acid accumulator anode diachylon according to claim 1, it is characterised in that：The purity of the gallic oxide
>=99.5wt%.
8. lead-acid accumulator anode diachylon according to claim 1, it is characterised in that：The purity of the sodium pyrophosphate >=
98wt%.
9. a kind of preparation method of lead-acid accumulator anode diachylon, which is characterized in that the preparation method comprises the following steps：
A, prepare various raw materials according to the raw material of lead-acid accumulator anode diachylon described in claim 1 composition；
B, paste mixing machine is added in lead powder first to stir 10~15 minutes, is subsequently added into the deionized water weighed and stirs 2~3 minutes；
The mixture that stannous sulfate, conductive fiber, aquadag, gallic oxide and sodium pyrophosphate is added is shut down after stirring, continues to stir
It mixes 6~10 minutes；
C, the sulfuric acid weighed is then added while stirring, mixing time is 15~18 minutes；When temperature reaches in sulfuric acid adition process
When to 58~60 DEG C, open cycle wind and recirculated water reduce temperature, control temperature≤63 DEG C；
D, sulfuric acid be added after continue stirring 10~15 minutes, after stirring measure gained lead plaster apparent density be 4.40 ±
0.02g/cm3, cream is finally carried out out, keeps out cream temperature at 45 ± 5 DEG C, obtains lead-acid accumulator anode diachylon.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112103507A (en) * | 2020-10-12 | 2020-12-18 | 天能集团（河南）能源科技有限公司 | Lead-acid storage battery positive plate with long service life and preparation method thereof |
| CN112886018A (en) * | 2021-03-04 | 2021-06-01 | 福州伯瑞电源科技有限公司 | Preparation method of positive lead plaster formed in lead-acid storage battery |
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| JPS5987765A (en) * | 1982-11-11 | 1984-05-21 | Matsushita Electric Ind Co Ltd | Electrode for lead-acid battery |
| CN102013534A (en) * | 2010-11-05 | 2011-04-13 | 江西省电力科学研究院 | Cathode protection-based valve control type lead-acid battery capacity activation solution |
| CN102306784A (en) * | 2011-06-29 | 2012-01-04 | 哈尔滨工业大学 | Modified activated carbon with high hydrogen evolution potential and preparation method thereof as well as lead-acid battery negative lead paste containing modified activated carbon |
| CN103384011A (en) * | 2013-07-26 | 2013-11-06 | 河南超威电源有限公司 | Positive pole and paste of long-service-life power lead-acid storage battery |
| CN107742724A (en) * | 2017-11-09 | 2018-02-27 | 河南超威电源有限公司 | A kind of lead-acid accumulator anode diachylon |
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2018
- 2018-04-10 CN CN201810316037.3A patent/CN108428890A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5987765A (en) * | 1982-11-11 | 1984-05-21 | Matsushita Electric Ind Co Ltd | Electrode for lead-acid battery |
| CN102013534A (en) * | 2010-11-05 | 2011-04-13 | 江西省电力科学研究院 | Cathode protection-based valve control type lead-acid battery capacity activation solution |
| CN102306784A (en) * | 2011-06-29 | 2012-01-04 | 哈尔滨工业大学 | Modified activated carbon with high hydrogen evolution potential and preparation method thereof as well as lead-acid battery negative lead paste containing modified activated carbon |
| CN103384011A (en) * | 2013-07-26 | 2013-11-06 | 河南超威电源有限公司 | Positive pole and paste of long-service-life power lead-acid storage battery |
| CN107742724A (en) * | 2017-11-09 | 2018-02-27 | 河南超威电源有限公司 | A kind of lead-acid accumulator anode diachylon |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112103507A (en) * | 2020-10-12 | 2020-12-18 | 天能集团（河南）能源科技有限公司 | Lead-acid storage battery positive plate with long service life and preparation method thereof |
| CN112103507B (en) * | 2020-10-12 | 2021-08-10 | 天能集团（河南）能源科技有限公司 | Lead-acid storage battery positive plate with long service life and preparation method thereof |
| CN112886018A (en) * | 2021-03-04 | 2021-06-01 | 福州伯瑞电源科技有限公司 | Preparation method of positive lead plaster formed in lead-acid storage battery |
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Application publication date: 20180821 |