CN107887577A - A kind of microwave curing process of lead-acid accumulator pole plate - Google Patents
A kind of microwave curing process of lead-acid accumulator pole plate Download PDFInfo
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- CN107887577A CN107887577A CN201711088631.3A CN201711088631A CN107887577A CN 107887577 A CN107887577 A CN 107887577A CN 201711088631 A CN201711088631 A CN 201711088631A CN 107887577 A CN107887577 A CN 107887577A
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- pole plate
- curing room
- microwave
- curing
- relative humidity
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Classifications
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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
- H01M4/20—Processes of manufacture of pasted electrodes
- H01M4/21—Drying of pasted electrodes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/06—Lead-acid accumulators
- H01M10/12—Construction or manufacture
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses a kind of lead-acid accumulator pole plate microwave curing process, comprise the following steps：(1) pole plate coated is sent into curing room；(2) the moisturizing stage：Vapor is passed through to curing room, under the conditions of relative humidity 85 95%, 25 30 DEG C of temperature, pole plate is solidified, the 6h of hardening time 4；(3) stage of reaction：A, air and vapor are passed through to curing room, under the conditions of relative humidity 82 86%, 55 60 DEG C of temperature, microwave irradiation solidification, the 10h of hardening time 8 is carried out to pole plate；B, air and vapor are passed through to curing room, under the conditions of relative humidity 82 86%, 55 60 DEG C of temperature, microwave irradiation solidification, the 8h of hardening time 4 is carried out to pole plate；(4) drying stage：In 75 80 DEG C of relative humidity 0%, temperature, microwave irradiation is carried out to pole plate, pole plate is completed and dries.Pole plate composition and micropore homogeneity prepared by the technique is good, and product quality is high.
Description
Technical field
The present invention relates to lead-acid storage battery production technical field, and in particular to a kind of microwave of lead-acid accumulator pole plate is consolidated
Chemical industry skill.
Background technology
Curing process is one of core process during lead-acid storage battery production.Pole plate will be sent to solid after the completion of coating
Change room to be solidified.The pole plate that the solidification of pole plate refers to coat cream is gelled under the conditions of certain temperature and time etc. in lead plaster
During complete oxidation and the recrystallization of basic lead sulphate and the process of hardening of free lead and grid rib surface lead.Plumbic acid
Battery polar plate solidification is a physical change and electrochemical corrosion course, and it is the hardening and corrosion for completing lead plaster that it, which is acted on, is allowed
Free lead is further oxidized to as lead monoxide in lead plaster, while allows react between lead plaster and grid and be combined as a whole,
So as to reach the purpose of good mechanical strength and electrical property.The quality of polar plate solidification be directly connected to pole plate overall performance and
Life-span.At present, the solidification of pole plate maintains the temperature and humidity of curing room using external heat source by way of convection current conduction, leads to
The water for crossing high temperature flows through pipeline and gives curing room heating, because the mode that heat transfer is heat transfer is carried out, heated homogeneous of pole plate
Property is poor, make everywhere in curing room reach a certain temperature reaction time it is longer, be not easy to expansion and the reality of curing room scale
When manipulate.For the solidification effect of pole plate, pole plate is heated by surface, and surface temperature is higher than internal temperature, surface and inside
Dehydration is uneven, easily causes polar board surface cracking, internal capillary deficiency, pole plate performance is bad, to the homogeneity and work(of battery
Rate characteristic influences very big.
The content of the invention
For problems of the prior art and deficiency, the present invention provides a kind of microwave of lead-acid accumulator pole plate and consolidated
Chemical industry skill.The microwave curing process of the present invention carries out curing process using the form of microwave irradiation to pole plate, and pole plate is in curing room
Interior thermally equivalent, polar board surface is consistent with internal dehydration, ensures that curing room has identical condition of cure everywhere, adds pole plate
Uniformity, moreover, polar board surface be cracked the problem of be much improved, the micropore inside pole plate is greatly enriched.
The pole plate assembling accumulator manufactured using curing process of the present invention, storage battery specific capacity is high, stable performance, service life length.
To realize goal of the invention, the technical solution adopted by the present invention is as follows：
A kind of microwave curing process of lead-acid accumulator pole plate, the microwave curing process include moisturizing stage, reaction
Stage and drying stage；Comprise the following steps that：
(1) the pole plate feeding curing room made will be applied；
(2) the moisturizing stage：Vapor is passed through into curing room, the relative humidity for keeping curing room is 85%-95%, in temperature
Spend to solidify to pole plate under the conditions of 25-30 DEG C, hardening time 4-6h；
(3) stage of reaction：
A, air and vapor are passed through into curing room, the relative humidity for keeping curing room is 82%-86%, and temperature is
55-60 DEG C, microwave irradiation solidification, hardening time 8-10h are carried out to pole plate；
B, air and vapor are passed through into curing room, the relative humidity for keeping curing room is 82%-86%, and temperature is
55-60 DEG C, microwave irradiation solidification, hardening time 4-8h are carried out to pole plate；
(4) drying stage：
The relative humidity for keeping curing room is 0%, and temperature is 75-80 DEG C, carries out microwave irradiation to pole plate, completes pole plate
Dry.
According to above-mentioned microwave curing process, it is preferable that pole plate will be first into curing room before being sent into curing room in step (1)
Vapor is passed through, keeps relative humidity >=95% of curing room.
According to above-mentioned microwave curing process, it is preferable that the wavelength of the microwave is 1-300mm.
According to above-mentioned microwave curing process, it is preferable that the relative humidity of curing room is 85% in step a.
According to above-mentioned microwave curing process, it is preferable that the relative humidity of curing room is 85% in step b.
According to above-mentioned microwave curing process, it is preferable that the time of microwave irradiation described in step (4) is 10-13h.
The positive beneficial effect that the present invention obtains is：
(1) microwave curing process of the invention uses wavelength to carry out curing process to pole plate for 1-300mm microwave irradiation,
Microwave is transferred to each position of pole plate in the form of radiation, and the microwave of the wave band can penetrate metal without by metallic lead and plate
Grid alloy absorbs, but can accelerate moisture, the chemical bond oscillations of basic lead sulphate in pole plate, produces heat, therefore, this
The microwave curing process of invention, which can target, improves target molecule energy, moreover, the energy of microwave is entered by way of radiation
Go and propagate, energy is not limited by thermal diffusion conduction, is realized and is heated inside pole plate, is improved the heated homogeneity of pole plate, is carried
The high operability of actual curing process condition, improves solidification effect, improves curing efficiency, shorten hardening time.
(2) microwave curing process of the invention can ensure that curing room has identical condition of cure everywhere, and pole plate exists
Thermally equivalent in curing room, polar board surface is consistent with internal dehydration, adds the uniformity of pole plate, using curing process of the present invention
The pole plate assembling accumulator of manufacture, stable performance, the uniformity of battery are good；And the problem of polar board surface cracking, obtains significantly
Improvement, the micropore inside pole plate greatly enriched, and the homogeneity of pole plate composition and micropore is more preferable, and product quality is high, effect
Fruit is good.
(3) microwave curing process of the invention can ensure that curing room has identical condition of cure everywhere, therefore, adopt
Be advantageous to expand the scale of curing room with the microwave curing process of the present invention, be advantageously implemented the control of condition of cure automatic intelligent
System.
(4) the microwave curing process moisturizing stage of the invention uses the temperature close to room temperature to carry out low-temperature setting, is ensureing
On the basis of curing room humidity, it is possible to increase the initial capacity of battery.
(5) after using the pole plate assembling accumulator of the microwave curing process preparation of the present invention, storage battery specific capacity is high, performance
Stable, service life is more than 5 years.
(6) prepared by the pole plate prepared using the microwave curing process of the present invention and using existing conventional solidified technique
It is compared, as a result referring to Fig. 1 and Fig. 2, can also be clearly found out by Fig. 1 and Fig. 2 contrast, polar board surface prepared by the present invention
It is not cracked, moreover, the homogeneity of pole plate composition and micropore is more preferable, product quality is higher.
Figure of description
Fig. 1 is the lead-acid accumulator pole plate prepared using lead-acid accumulator of the present invention with the microwave curing process of pole plate.
Fig. 2 is the lead-acid accumulator pole plate prepared using conventional solidified technique.
Embodiment
The present invention is described in further detail with reference to specific embodiment, but not limit the scope of the invention.
Embodiment 1：
A kind of microwave curing process of lead-acid accumulator pole plate, the microwave curing process include moisturizing stage, reaction
Stage and drying stage；Specifically include following steps：
(1) the pole plate feeding curing room made will be applied；
(2) the moisturizing stage：Vapor is passed through into curing room, the relative humidity for keeping curing room is 90%, is in temperature
Pole plate is solidified under the conditions of 25 DEG C, hardening time 5h；
(3) stage of reaction：
A, air and vapor are passed through into curing room, the relative humidity for keeping curing room is 85%, and temperature is 58 DEG C, right
Pole plate carries out microwave irradiation solidification, hardening time 9h；
B, air and vapor are passed through into curing room, the relative humidity for keeping curing room is 85%, and temperature is 58 DEG C, right
Pole plate carries out microwave irradiation solidification, hardening time 6h；
(4) drying stage：The relative humidity for keeping curing room is 0%, and temperature is 80 DEG C, and microwave irradiation is carried out to pole plate,
The time of microwave irradiation is 10h, completes the drying of pole plate.
Wherein, pole plate will first be passed through vapor before being sent into curing room into curing room in step (1), keep the phase of curing room
To humidity >=95%；The wavelength of the microwave is 1-300mm.
Embodiment 2：
A kind of microwave curing process of lead-acid accumulator pole plate, the microwave curing process include moisturizing stage, reaction
Stage and drying stage；Specifically include following steps：
(1) the pole plate feeding curing room made will be applied；
(2) the moisturizing stage：Vapor is passed through into curing room, the relative humidity for keeping curing room is 85%, is in temperature
Pole plate is solidified under the conditions of 25 DEG C, hardening time 6h；
(3) stage of reaction：
A, air and vapor are passed through into curing room, the relative humidity for keeping curing room is 86%, and temperature is 55 DEG C, right
Pole plate carries out microwave irradiation solidification, hardening time 10h；
B, air and vapor are passed through into curing room, the relative humidity for keeping curing room is 82%, and temperature is 60 DEG C, right
Pole plate carries out microwave irradiation solidification, hardening time 4h；
(4) drying stage：The relative humidity for keeping curing room is 0%, and temperature is 75 DEG C, and microwave irradiation is carried out to pole plate,
The time of microwave irradiation is 13h, completes the drying of pole plate.
Wherein, pole plate will first be passed through vapor before being sent into curing room into curing room in step (1), keep the phase of curing room
To humidity >=95%；The wavelength of the microwave is 1-300mm.
Embodiment 3：
A kind of microwave curing process of lead-acid accumulator pole plate, the microwave curing process include moisturizing stage, reaction
Stage and drying stage；Specifically include following steps：
(1) the pole plate feeding curing room made will be applied；
(2) the moisturizing stage：Vapor is passed through into curing room, the relative humidity for keeping curing room is 95%, is in temperature
Pole plate is solidified under the conditions of 30 DEG C, hardening time 4h；
(3) stage of reaction：
A, air and vapor are passed through into curing room, the relative humidity for keeping curing room is 82%, and temperature is 60 DEG C, right
Pole plate carries out microwave irradiation solidification, hardening time 8h；
B, air and vapor are passed through into curing room, the relative humidity for keeping curing room is 82%, and temperature is 60 DEG C, right
Pole plate carries out microwave irradiation solidification, hardening time 5h；
(4) drying stage：The relative humidity for keeping curing room is 0%, and temperature is 78 DEG C, and microwave irradiation is carried out to pole plate,
The time of microwave irradiation is 12h, completes the drying of pole plate.
Wherein, pole plate will first be passed through vapor before being sent into curing room into curing room in step (1), keep the phase of curing room
To humidity >=95%；The wavelength of the microwave is 1-300mm.
Embodiment 4：
A kind of microwave curing process of lead-acid accumulator pole plate, the microwave curing process include moisturizing stage, reaction
Stage and drying stage；Specifically include following steps：
(1) the pole plate feeding curing room made will be applied；
(2) the moisturizing stage：Vapor is passed through into curing room, the relative humidity for keeping curing room is 92%, is in temperature
Pole plate is solidified under the conditions of 28 DEG C, hardening time 5h；
(3) stage of reaction：
A, air and vapor are passed through into curing room, the relative humidity for keeping curing room is 84%, and temperature is 55 DEG C, right
Pole plate carries out microwave irradiation solidification, hardening time 10h；
B, air and vapor are passed through into curing room, the relative humidity for keeping curing room is 82%, and temperature is 58 DEG C, right
Pole plate carries out microwave irradiation solidification, hardening time 6h；
(4) drying stage：The relative humidity for keeping curing room is 0%, and temperature is 75 DEG C, and microwave irradiation is carried out to pole plate,
The time of microwave irradiation is 12h, completes the drying of pole plate.
Wherein, pole plate will first be passed through vapor before being sent into curing room into curing room in step (1), keep the phase of curing room
To humidity >=95%；The wavelength of the microwave is 1-300mm.
Embodiment 5：
A kind of microwave curing process of lead-acid accumulator pole plate, the microwave curing process include moisturizing stage, reaction
Stage and drying stage；Specifically include following steps：
(1) the pole plate feeding curing room made will be applied；
(2) the moisturizing stage：Vapor is passed through into curing room, the relative humidity for keeping curing room is 90%, is in temperature
Pole plate is solidified under the conditions of 28 DEG C, hardening time 6h；
(3) stage of reaction：
A, air and vapor are passed through into curing room, the relative humidity for keeping curing room is 85%, and temperature is 55 DEG C, right
Pole plate carries out microwave irradiation solidification, hardening time 8h；
B, air and vapor are passed through into curing room, the relative humidity for keeping curing room is 85%, and temperature is 60 DEG C, right
Pole plate carries out microwave irradiation solidification, hardening time 5h；
(4) drying stage：The relative humidity for keeping curing room is 0%, and temperature is 76 DEG C, and microwave irradiation is carried out to pole plate,
The time of microwave irradiation is 12h, completes the drying of pole plate.
Wherein, pole plate will first be passed through vapor before being sent into curing room into curing room in step (1), keep the phase of curing room
To humidity >=95%；The wavelength of the microwave is 1-300mm.
Embodiment 6：
A kind of microwave curing process of lead-acid accumulator pole plate, the microwave curing process include moisturizing stage, reaction
Stage and drying stage；Specifically include following steps：
(1) the pole plate feeding curing room made will be applied；
(2) the moisturizing stage：Vapor is passed through into curing room, the relative humidity for keeping curing room is 95%, is in temperature
Pole plate is solidified under the conditions of 27 DEG C, hardening time 6h；
(3) stage of reaction：
A, air and vapor are passed through into curing room, the relative humidity for keeping curing room is 83%, and temperature is 56 DEG C, right
Pole plate carries out microwave irradiation solidification, hardening time 9h；
B, air and vapor are passed through into curing room, the relative humidity for keeping curing room is 83%, and temperature is 58 DEG C, right
Pole plate carries out microwave irradiation solidification, hardening time 8h；
(4) drying stage：The relative humidity for keeping curing room is 0%, and temperature is 75 DEG C, and microwave irradiation is carried out to pole plate,
The time of microwave irradiation is 13h, completes the drying of pole plate.
Wherein, pole plate will first be passed through vapor before being sent into curing room into curing room in step (1), keep the phase of curing room
To humidity >=95%；The wavelength of the microwave is 1-300mm.
The specific embodiment of the present invention is the foregoing is only, but the technical characteristic of the present invention is not limited thereto, Ren Heben
The technical staff in field in the field of the invention, all cover among the scope of the claims of the present invention by the change or modification made.
Claims (6)
1. a kind of microwave curing process of lead-acid accumulator pole plate, it is characterised in that the microwave curing process includes moisturizing
Stage, the stage of reaction and drying stage；Comprise the following steps that：
(1) the pole plate feeding curing room made will be applied；
(2) the moisturizing stage：Vapor is passed through into curing room, the relative humidity for keeping curing room is 85%-95%, is in temperature
Pole plate is solidified under the conditions of 25-30 DEG C, hardening time 4-6h；
(3) stage of reaction：
A, air and vapor are passed through into curing room, the relative humidity for keeping curing room is 82%-86%, temperature 55-60
DEG C, microwave irradiation solidification, hardening time 8-10h are carried out to pole plate；
B, air and vapor are passed through into curing room, the relative humidity for keeping curing room is 82%-86%, temperature 55-60
DEG C, microwave irradiation solidification, hardening time 4-8h are carried out to pole plate；
(4) drying stage：The relative humidity for keeping curing room is 0%, and temperature is 75-80 DEG C, and microwave irradiation is carried out to pole plate, complete
Into the drying of pole plate.
2. microwave curing process according to claim 1, it is characterised in that pole plate will before being sent into curing room in step (1)
Vapor is first passed through into curing room, keeps relative humidity >=95% of curing room.
3. microwave curing process according to claim 1, it is characterised in that the wavelength of the microwave is 1-300mm.
4. microwave curing process according to claim 1, it is characterised in that the relative humidity of curing room is in step a
85%.
5. microwave curing process according to claim 1, it is characterised in that the relative humidity of curing room is in step b
85%.
6. microwave curing process according to claim 1, it is characterised in that the time of microwave irradiation described in step (4)
For 10-13h.
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| CN201711088631.3A CN107887577B (en) | 2017-11-08 | 2017-11-08 | A kind of microwave curing process of lead-acid accumulator pole plate |
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| CN201711088631.3A CN107887577B (en) | 2017-11-08 | 2017-11-08 | A kind of microwave curing process of lead-acid accumulator pole plate |
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| CN107887577B CN107887577B (en) | 2019-08-09 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108767202A (en) * | 2018-06-11 | 2018-11-06 | 深圳市瑞达电源有限公司 | The manufacturing method of polar plate of lead acid storage battery |
| CN112815684A (en) * | 2021-02-02 | 2021-05-18 | 江西春兴新能源有限公司 | Continuous microwave drying process method for solidified polar plate of storage battery |
| CN113193176A (en) * | 2021-04-26 | 2021-07-30 | 江西京九电源（九江）有限公司 | Accumulator plate curing chamber |
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| CN112815684A (en) * | 2021-02-02 | 2021-05-18 | 江西春兴新能源有限公司 | Continuous microwave drying process method for solidified polar plate of storage battery |
| CN112815684B (en) * | 2021-02-02 | 2022-12-09 | 江西春兴新能源有限公司 | Continuous microwave drying process method for solidified polar plate of storage battery |
| CN113193176A (en) * | 2021-04-26 | 2021-07-30 | 江西京九电源（九江）有限公司 | Accumulator plate curing chamber |
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| Publication number | Publication date |
|---|---|
| CN107887577B (en) | 2019-08-09 |
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