CN108110259A - A kind of method for improving accumulator casting. g., lead tape scalability - Google Patents
A kind of method for improving accumulator casting. g., lead tape scalability Download PDFInfo
- Publication number
- CN108110259A CN108110259A CN201710611367.0A CN201710611367A CN108110259A CN 108110259 A CN108110259 A CN 108110259A CN 201710611367 A CN201710611367 A CN 201710611367A CN 108110259 A CN108110259 A CN 108110259A
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- China
- Prior art keywords
- casting
- lead tape
- temperature
- hot room
- scalability
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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
- H01M4/64—Carriers or collectors
- H01M4/82—Multi-step processes for manufacturing carriers for lead-acid accumulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/82—Multi-step processes for manufacturing carriers for lead-acid accumulators
- H01M4/84—Multi-step processes for manufacturing carriers for lead-acid accumulators involving casting
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Cell Electrode Carriers And Collectors (AREA)
Abstract
The present invention relates to a kind of methods for improving accumulator casting. g., lead tape scalability, belong to Lead-acid Battery Technology field.Comprise the following steps：Casting. g., lead tape of the deformation rate not less than 85% is placed in heat temperature raising in hot room, 1 10h is kept the temperature under 120 200 DEG C of temperature conditionss；Casting. g., lead tape removal hot room is cooled to room temperature in air atmosphere after heat preservation；Also by high temperature indoor and outdoor air Xun Huan the indoor temperature of high temperature can be made to be down to less than 70 DEG C after hot room stops heating, casting. g., lead tape then removed into hot room.The present invention can be promoted the ductility of casting. g., lead tape/scalability, have practical value particularly with for extending/drawing in the net the casting. g., lead tape of grid.Ductility/scalability of casting. g., lead tape is improved, the seine microdefect of grid and rib phenomenon of rupture can be effectively reduced, so as to improve the corrosion resistant performance of grid.
Description
Technical field
The invention belongs to Lead-acid Battery Technology fields, and in particular to a kind of method for improving casting. g., lead tape scalability.
Background technology
Cast Strip seine grid is widely used to starting lead acid battery, the technological process master of Cast Strip seine grid at present
Including：Alloy lead liquid strand, lead base are made. g., lead tape. g., lead tape through multistage and are prepared into grid by extending seine again.Extension
Casting. g., lead tape is carried out cutting drawing by seine is extended to seine grid, and grid rib assumes diamond in shape.Extension seine grid production efficiency is high, applies
It is fast to fill out speed, but. g., lead tape itself has ductile deformation (ductile deformation amount is generally in the range of 15-30%) during extension seine,
The scalability of casting. g., lead tape is bad to cause rib after extending phenomenon of rupture occur, even if not occurring the muscle that significantly breaks, extend
Deformation reaches the corrosion resistant performance that the expansible maximum conditions of. g., lead tape can also reduce seine grid.
Especially when casting. g., lead tape is after certain time limit is stored, tensile strength substantially rises, it is more difficult to be extended drawing
Net, drawing in the net the rib of grid is more easily broken off.In this case, casting. g., lead tape is generally scrapped, and is melted down remelting and is prepared lead again
Band adds production cost.
Appropriate heating and thermal insulation is carried out to casting. g., lead tape to handle, can effectively improve ductility/scalability of. g., lead tape, is reduced
The probability of the disconnected muscle of extension seine improves seine grid corrosion resistant performance, and advantageously reduces production cost, reduces casting. g., lead tape and scrap
Amount.
Chinese patent CN1775962A discloses a kind of method for improving anticorrosive capacity of grid plate for lead-acid battery, technical essential
For：Cold rolling at least twice, and the rolling direction of each adjacent time are carried out under less than lead-containing alloy material recrystallization temperature used
It is mutually perpendicular to, rolls every time after being made annealing treatment in postposition annealing furnace, then carry out cold rolling next time, so repeat to accumulative
Deflection reaches the total deformation requirement to slab lattice thickness.The heat treatment mode of the patent for every time rolling postposition annealing furnace in into
After row annealing, then cold rolling next time is carried out, and the rolling direction of each adjacent time intersects.Which does not meet industry
Change quantity-produced requirement, the rolling direction of especially each adjacent time intersects to be not easy to realize in. g., lead tape continuous production, raw
Inefficiency is produced, while does not also study influence of its technique to casting. g., lead tape scalability and seine grid.
The content of the invention
Insufficient present in background technology in order to overcome, the present invention provides a kind of raising accumulator casting. g., lead tape scalability
Method. g., lead tape after treatment by using the treatment method can enhance ductility/scalability of casting. g., lead tape, further reduce seine plate
The rejection rate of grid, the corrosion resistance for improving seine grid.
The present invention is achieved through the following technical solutions：A kind of side for improving casting. g., lead tape scalability of the offer
Method comprises the following steps：Casting. g., lead tape of the deformation rate not less than 85% is placed in heat temperature raising in hot room, in 120-200 DEG C of temperature
1-10h is kept the temperature under the conditions of degree；Casting. g., lead tape removal hot room is cooled to room temperature in air atmosphere after heat preservation；It also can be
After hot room stops heating, by high temperature indoor and outdoor air Xun Huan the indoor temperature of high temperature is made to be down to less than 70 DEG C, it then will casting
It rolls. g., lead tape and removes hot room, further but to room temperature in air atmosphere.The ductility of casting. g., lead tape and heating and thermal insulation temperature and
Time is related, and holding temperature height, soaking time are long in the range of 120-200 DEG C, then casting. g., lead tape ductility is more preferable.
The applicable. g., lead tape of the present invention is the. g., lead tape prepared using continuous casting and rolling technique, the preferred lead of deformation rate of casting. g., lead tape
Band deformation rate is not less than 90%.
The Hou Du ╳ 100% of strand before deformation rate=(. g., lead tape thickness after thickness-rolling of strand before rolling)/rolling.
Further, there is circulating fan in hot room, the cycling of hot room internal gas can be achieved in insulating process, ensure
The uniformity of high temperature indoor temperature；In temperature-fall period, the exchange of hot room internal gas and outside air can be realized, ensure
Can pressure cooling be carried out to casting. g., lead tape by air blast in hot room.
Further, casting. g., lead tape is in preferred 140-200 DEG C of the indoor holding temperature of high temperature.
Further, casting. g., lead tape is in the preferred 2-6h of the indoor soaking time of high temperature.
Further, it is 0.5~2h that casting. g., lead tape, which is placed in hot room and is heated to 120-200 DEG C of time,., heating speed
Degree is unsuitable too fast, avoids being heated. g., lead tape non-uniform temperature.
Beneficial effects of the present invention：The present invention can be promoted the ductility of casting. g., lead tape/scalability, particularly with for
The casting. g., lead tape of extension/seine grid has practical value, can effectively improve the scalability of casting. g., lead tape, effectively reduce casting
Rib of the. g., lead tape during extension is drawn in the net breaks muscle phenomenon and the microdefect of grid product, enhancing seine grid corrosion resistant performance.
Description of the drawings
Fig. 1, Fig. 2 are the microstructures that the casting. g., lead tape without heating and thermal insulation processing is prepared into seine grid.
Fig. 3, Fig. 4 are the microstructures that the casting. g., lead tape in embodiment 2 after heated isothermal holding is prepared into seine grid.
Fig. 5 is embodiment 1, embodiment 2, embodiment 3 and the casting. g., lead tape tensile elongation data without heating and thermal insulation processing
Comparison diagram；
Specific embodiment
Below in conjunction with the embodiment of the present invention and Figure of description, the technical solution in the embodiment of the present invention is carried out clear
Chu is fully described by, it is clear that and described embodiment is only part of the embodiment of the present invention, instead of all the embodiments,
Based on the embodiments of the present invention, what those of ordinary skill in the art were obtained without creative efforts is all
Other embodiments belong to the scope of protection of the invention.
Fig. 1, Fig. 2 are the microstructures that the casting. g., lead tape without heating and thermal insulation processing is prepared into seine grid.(remarks：Through
Extension stretches post-tensioning web plate gate rib and is readily observed drawing crack notch, as shown in Figure 1, Figure 2 shown in middle A, B, C)；
Fig. 3, Fig. 4 are the microstructures that the casting. g., lead tape in embodiment 2 after heated isothermal holding is prepared into seine grid
(remarks：Expanded stretching post-tensioning web plate gate rib does not observe drawing crack notch)；
Fig. 5 is embodiment 1, embodiment 2, embodiment 3 and the casting. g., lead tape tensile elongation data without heating and thermal insulation processing
Comparison diagram.
Embodiment 1
Using casting anode. g., lead tape, heating is begun to warm up into hot room, sets holding temperature as 150 DEG C, temperature rises to
Start to keep the temperature after 150 DEG C, soaking time is set to 3h, 6h (two kinds of soaking time states are tested respectively)；
Above-mentioned soaking time stops heating, while the air blast into hot room immediately after terminating, force to cool down, after about 30min,
. g., lead tape removes hot room；
. g., lead tape remove after hot room 3 it is small when interior and temperature be down to room temperature, take. g., lead tape sample survey tensile elongation data (take to
Few 3. g., lead tape samples are tested, and final result takes test data average value).Then sampling in every 3 days is to. g., lead tape tensile elongation number
According to measuring, test by the 12nd day and terminate.
Embodiment 2
Using casting anode. g., lead tape, heating is begun to warm up into hot room, sets holding temperature as 180 DEG C, temperature rises to
Start to keep the temperature after 180 DEG C, soaking time is set to 3h, 6h (two kinds of soaking time states are tested respectively)；
Above-mentioned soaking time stops heating immediately after terminating, and casting. g., lead tape directly is removed hot room；
. g., lead tape remove hot room after 3 it is small when interior and. g., lead tape temperature be down to room temperature, take. g., lead tape sample survey tensile elongation data
(at least three. g., lead tape sample being taken to be tested, final result takes test data average value).Then sampling in every 3 days stretches. g., lead tape
Length data measures, and tests by the 12nd day and terminates.
Embodiment 3
Using casting anode. g., lead tape, heating is begun to warm up into hot room, sets holding temperature as 200 DEG C, temperature rises to
Start to keep the temperature after 200 DEG C, soaking time is set to 1h, 2h (two kinds of soaking time states are tested respectively)；
Soaking time stops heating, while the air blast into hot room immediately after terminating, force to cool down, after about 50min. g., lead tape
Go out hot room；
. g., lead tape remove hot room after 3 it is small when interior and. g., lead tape temperature be down to room temperature, take. g., lead tape sample survey tensile elongation data
(at least three. g., lead tape sample being taken to be tested, final result takes test data average value).Then sampling in every 3 days stretches. g., lead tape
Length data measures, and tests by the 12nd day and terminates.
Experimental analysis：
By embodiment 1, embodiment 2, the casting. g., lead tape of 3 heated isothermal holding of embodiment and without heating and thermal insulation at
The casting. g., lead tape (room temperature preservation, 15-25 DEG C of ambient temperature after prepared by. g., lead tape) of reason, is made standard sample (specimen length
20.00mm, section width 10.00mm, sample thickness 0.90mm), carry out extension test (tensile speed using puller system
12.50mm/min), the tensile elongation data of test are as follows：
1. g., lead tape tensile elongation data comparison table of table
Embodiment 1, embodiment 2, the tensile elongation of 3 heated isothermal holding casting. g., lead tape of embodiment are above not heated
The tensile elongation of isothermal holding casting. g., lead tape.In the range of 150-200 DEG C, holding temperature rise. g., lead tape ductility improves, heat preservation
Time increases, and. g., lead tape ductility improves.Reach same ductility effect, guarantor can be reduced in the case where properly increasing temperature
The warm time, to improve production efficiency.As 200 DEG C heat preservation 1h after. g., lead tape ductility with 150 DEG C heat preservation 6h after and 180 DEG C heat preservation 6h
Effect afterwards is close to (as shown in table 1 and Fig. 5：Effect after 200 DEG C of heat preservation 1h after the ductility of. g., lead tape slightly better than 150 DEG C heat preservation 6h
Fruit keeps the temperature the effect after 6h slightly poorer to 180 DEG C).
The present invention promotes the ductility of casting. g., lead tape/scalability by carrying out heating and thermal insulation processing to casting. g., lead tape,
There is practical value particularly with extension seine grid.After. g., lead tape ductility/scalability improves, seine grid can be effectively reduced
Microdefect and disconnected muscle phenomenon, be conducive to improve grid corrosion resistant performance；The scrappage of casting. g., lead tape, drop can be reduced simultaneously
Low production cost.
A kind of method of the raising casting. g., lead tape scalability provided above the embodiment of the present invention has carried out detailed Jie
It continues, specific case used herein is set forth the principle of the present invention and embodiment, and the explanation of above example is only
It is the method and its core concept for being used to help understand the present invention；Meanwhile for those of ordinary skill in the art, according to this hair
Bright thought, there will be changes in specific embodiments and applications, in conclusion this specification content should not manage
It solves as limitation of the present invention.
A kind of method of the raising casting. g., lead tape scalability provided above the embodiment of the present invention has carried out detailed Jie
It continues, specific case used herein is set forth the principle of the present invention and embodiment, and the explanation of above example is only
It is the method and its core concept for being used to help understand the present invention；Meanwhile for those of ordinary skill in the art, according to this hair
Bright thought, there will be changes in specific embodiments and applications, in conclusion this specification content should not manage
It solves as limitation of the present invention.
Claims (6)
- A kind of 1. method for improving accumulator casting. g., lead tape scalability, it is characterised in that comprise the following steps：By deformation rate not Casting. g., lead tape less than 85% is placed in heat temperature raising in hot room, and 1-10h is kept the temperature under 120-200 DEG C of temperature conditionss；Heat preservation terminates Casting. g., lead tape removal hot room is cooled to room temperature in air atmosphere afterwards；Or after hot room stops heating, pass through hot room Inner air and outer air Xun Huan makes the indoor temperature of high temperature be down to less than 70 DEG C, casting. g., lead tape then is removed hot room, further in sky Atmosphere enclose in but to room temperature.
- 2. the method according to claim 1 for improving accumulator casting. g., lead tape scalability, it is characterised in that：Applicable casting It is the casting. g., lead tape prepared using continuous casting and rolling technique to roll. g., lead tape, and the. g., lead tape deformation rate of casting. g., lead tape is not less than 90%.
- 3. the method according to claim 1 for improving accumulator casting. g., lead tape scalability, it is characterised in that：In hot room There is circulating fan, the cycling of hot room internal gas can be achieved in insulating process, ensure the uniformity of high temperature indoor temperature； In temperature-fall period, to realize the exchange of hot room internal gas and outside air, ensureing can be by air blast to casting in hot room . g., lead tape carries out pressure cooling.
- 4. the method according to claim 1 for improving accumulator casting. g., lead tape scalability, it is characterised in that：Casting. g., lead tape In 140-200 DEG C of high temperature indoor holding temperature.
- 5. the method according to claim 1 for improving accumulator casting. g., lead tape scalability, it is characterised in that：Casting. g., lead tape In the indoor soaking time 2-6h of high temperature.
- 6. the method according to claim 1 for improving accumulator casting. g., lead tape scalability, it is characterised in that：Casting. g., lead tape It is 0.5 ~ 2h to be placed in hot room and be heated to 120-200 DEG C of time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710611367.0A CN108110259A (en) | 2017-07-25 | 2017-07-25 | A kind of method for improving accumulator casting. g., lead tape scalability |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710611367.0A CN108110259A (en) | 2017-07-25 | 2017-07-25 | A kind of method for improving accumulator casting. g., lead tape scalability |
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| CN108110259A true CN108110259A (en) | 2018-06-01 |
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| CN201710611367.0A Pending CN108110259A (en) | 2017-07-25 | 2017-07-25 | A kind of method for improving accumulator casting. g., lead tape scalability |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113215507A (en) * | 2021-04-15 | 2021-08-06 | 骆驼集团蓄电池研究院有限公司 | Method for rapidly determining optimal heat treatment temperature of lead belt or grid |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6025154A (en) * | 1983-07-20 | 1985-02-07 | Furukawa Battery Co Ltd:The | Manufacture of base plate for lead storage battery |
| CN1487608A (en) * | 2003-08-22 | 2004-04-07 | 江苏双登电源有限公司 | Heat treatment process for positive slab lattice of lead-acid accumulator |
| US6802917B1 (en) * | 2000-05-26 | 2004-10-12 | Integran Technologies Inc. | Perforated current collectors for storage batteries and electrochemical cells, having improved resistance to corrosion |
| CN101330144A (en) * | 2008-07-29 | 2008-12-24 | 卧龙电气集团股份有限公司 | Method for heat-treatment of accumulator tube-type slab lattice |
| CN106435421A (en) * | 2016-10-20 | 2017-02-22 | 骆驼集团蓄电池研究院有限公司 | Heat treatment method of positive electrode lead band or grid |
-
2017
- 2017-07-25 CN CN201710611367.0A patent/CN108110259A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6025154A (en) * | 1983-07-20 | 1985-02-07 | Furukawa Battery Co Ltd:The | Manufacture of base plate for lead storage battery |
| US6802917B1 (en) * | 2000-05-26 | 2004-10-12 | Integran Technologies Inc. | Perforated current collectors for storage batteries and electrochemical cells, having improved resistance to corrosion |
| CN1487608A (en) * | 2003-08-22 | 2004-04-07 | 江苏双登电源有限公司 | Heat treatment process for positive slab lattice of lead-acid accumulator |
| CN101330144A (en) * | 2008-07-29 | 2008-12-24 | 卧龙电气集团股份有限公司 | Method for heat-treatment of accumulator tube-type slab lattice |
| CN106435421A (en) * | 2016-10-20 | 2017-02-22 | 骆驼集团蓄电池研究院有限公司 | Heat treatment method of positive electrode lead band or grid |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113215507A (en) * | 2021-04-15 | 2021-08-06 | 骆驼集团蓄电池研究院有限公司 | Method for rapidly determining optimal heat treatment temperature of lead belt or grid |
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Application publication date: 20180601 |
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