CN102244268A - Method for manufacturing carbon fiber reinforced lead alloy plate grid and winding lead-acid battery - Google Patents
Method for manufacturing carbon fiber reinforced lead alloy plate grid and winding lead-acid battery Download PDFInfo
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- CN102244268A CN102244268A CN2011101408531A CN201110140853A CN102244268A CN 102244268 A CN102244268 A CN 102244268A CN 2011101408531 A CN2011101408531 A CN 2011101408531A CN 201110140853 A CN201110140853 A CN 201110140853A CN 102244268 A CN102244268 A CN 102244268A
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Abstract
The invention discloses a method for manufacturing a carbon fiber reinforced lead alloy plate grid and a winding lead-acid battery. The method comprises the following steps: (1) degumming carbon fiber sheets at a high temperature: arranging the carbon fiber sheets in an environment of 450-500 DEG C and roasting for 5-10 minutes to remove the epoxy resins, wherein the carbon fiber sheets are made from unidirectional long carbon fibers and epoxy resins; (2) soaking the carbon fibers: soaking the carbon fiber sheets in a liquid sodium-potassium alloy in an anhydrous and inert gas protection atmosphere and then taking out the carbon fiber sheets; (3) carrying out hot extrusion forming: quenching carbon fiber sheets and a lead or lead alloy liquid to below 200 DEG C, and extruding to manufacture a plate, wherein the lead or lead alloy liquid is at the temperature of 450-500 DEG C and the pressure of the lead or lead alloy liquid is 500-550Mpa; (4) rolling: rolling to form the plate; and (5) punching: punching to form holes. The prepared carbon fiber reinforced lead alloy plate grid is high in tensile strength, good in electroconductibility, light in weight and good in corrosion resistance, and can be coated with more active substances in unit area. The winding lead-acid battery prepared by the plate grid has the advantages of higher mass specific energy and volumetric specific energy.
Description
Technical field
The invention belongs to convoluted lead-acid battery manufacturing technology field, be specifically related to manufacture method and takeup type lead-acid battery that a kind of carbon fiber strengthens the lead alloy grid.
Background technology
Because of the stable performance of lead-acid battery, and cheap, be widely used in fields such as the energy, communication, electric power, traffic and military affairs for many years always.But, because the gravimetric specific energy of lead-acid battery is lower, thereby limited its application, as electric automobile in some technical field.
Convoluted lead-acid battery is compared with traditional lead acid batteries, it has higher gravimetric specific energy, but because of being subjected to the restriction of lead alloy hot strength, the grid of common coiling battery grid is smaller and intensive, its consumption of lead is big, can not apply active material effectively, thereby limit the raising of its gravimetric specific energy.In addition, traditional coiling battery grid all damages than being easier in production or use, and percent defective is higher.In addition, as the electrokinetic cell of electric automobile the time, the vertical battery of placing owing to be subjected to the restriction of height, has brought great inconvenience for its installation in electric automobile.
Summary of the invention
The invention discloses the manufacture method that a kind of carbon fiber strengthens the lead alloy grid, its purpose is to improve the hot strength of lead alloy, reduces the consumption of lead of grid, thereby improves the gravimetric specific energy of convoluted lead-acid battery to a greater extent.
The invention also discloses a kind of takeup type lead-acid battery, characteristics such as this battery has that capacity is big, specific energy is high, is suitable for discharging and recharging fast and deeply, antivibration, long service life; Simultaneously, this battery levels is placed, and anode and cathode terminals is drawn by the battery two ends, and it occupies little space.
The present invention adopts following technical scheme: carbon fiber strengthens the manufacture method of lead alloy grid, its as follows:
(1) carbon cloth high temperature degumming: carbon cloth (has only warp by unidirectional long carbon fiber, do not have parallel, individual fiber diameter is about 7 μ m, 6k tow) and epoxy resin make, place 450 ℃～500 ℃ environment to toast 5～10min carbon cloth, remove epoxy resin.
Employed epoxy resin is the temperature curing epoxy low resin, its at high temperature (450 ℃～500 ℃) can be removed.The effect of epoxy resin is the fixed carbon fiber, but this layer epoxy resin can not bring in the composite material, so must at first remove this layer epoxy resin, so (1) step is for coming unstuck.
(2) impregnated carbon fiber: in anhydrous and inert gas shielding, the carbon cloth that comes unstuck through (1) step is immersed in liquid sodium-potassium-sodium alloy, then carbon cloth is slowly pulled out.Preferably, at room temperature (18 ℃～25 ℃) soaked 1～3 minute.
It is noted that in the operating process of this step and can not take sodium-potassium-sodium alloy out of, otherwise can cause accidents such as burning.After carbon cloth came unstuck, the wettability between itself and the metal was very poor, so increase wettability and the permeability of metallic matrix to carbon fiber by surface treatment, this step is called impregnated carbon fiber.
(3) hot extrusion molding: carbon cloth through (2) step dipping after, (temperature is that 450 ℃～500 ℃, pressure are below the lead of 500Mpa～550Mpa) or the quenching to 200 of lead alloy liquid ℃, to be crushed to sheet material under being in HTHP; Preferably, the thickness of sheet material is 1.0mm.
Adopt the hot liquid extrusion process to prepare carbon fiber and strengthen the lead alloy composite material, lead can be 1# lead, lead alloy can be alloys such as slicker solder, plumbous calcium and plumbous antimony chromium, and the tenor beyond the deleading can be regulated (mass fraction of lead content is generally more than 95%) on demand.
(4) calendering: the sheet material that (3) step made can be made sheet material through calendering according to actual needs; Preferably, the thickness of sheet material is 0.4～1.0mm.
(5) punching: have a hole that certain thickness sheet material can stamp out different shape and size according to the needs of different batteries through what (4) step calendering was made, be fit to the grid that various convoluted lead-acid batteries use to make.
By above-mentioned steps, produce uniform banded carbon fiber-lead alloy composite board continuously, be used for making the grid of convoluted lead-acid battery, its fabric width can be 0.5～1.6m, and thickness can be 0.4～1.0mm, and length can be 10m～300m.
The carbon fiber that the present invention makes strengthens the lead alloy grid, compare with existing battery grid, its hot strength height, good conductivity, in light weight, good corrosion resistance etc., and can apply more active material on the unit are, the convoluted lead-acid battery that uses this grid to make has higher specific energy and volumetric specific energy.
Takeup type lead-acid battery of the present invention, comprise housing, end cap, positive plate, dividing plate, negative plate, lug, positive terminal, negative terminal, electrolyte, vent valve, the housing both ends open, in adorn a spool, both positive and negative polarity, dividing plate, negative plate stack gradually the back and reel a few around described spool, the extension parcel of back outer circle wall by dividing plate of reeling; The prepared carbon fiber of manufacture method that described positive plate, negative plate adopt the aforementioned carbon fiber of the present invention to strengthen the lead alloy grid respectively strengthens the lead alloy grid and is coated with positive active material, negative electrode active material respectively and makes; To anode ear, negative electrode lug should be arranged, anode ear, negative electrode lug link to each other with positive terminal, negative terminal respectively respectively for described positive plate, negative plate; Described housing horizontal positioned, positive terminal, negative terminal are drawn from the two ends of housing respectively; Described end cap is packaged in the end of described housing, and vent valve is housed on the end cap; Described electrolyte fully is adsorbed in positive plate, negative plate and dividing plate.
Described takeup type lead-acid battery, positive plate and positive pole ear, negative plate and negative lug adopt described carbon fiber to strengthen lead alloy grid integrated punching respectively and form.
Described takeup type lead-acid battery, positive terminal, negative terminal are welded in positive pole ear, negative lug respectively.
Described takeup type lead-acid battery, the housing outer wall assembles a base.
Described takeup type lead-acid battery, anode ear, negative electrode lug link to each other with positive bus, negative bus-bar respectively, and positive bus, negative bus-bar weld with described positive terminal, negative terminal respectively.
Takeup type lead-acid battery of the present invention can horizontal positioned, and positive and negative electrode is drawn by the battery two ends respectively, makes the placement of battery and combo more flexible, for its use on electric automobile is provided convenience.This battery structure novelty occupies little space, and the internal resistance of cell is low, the specific energy height, and large current discharging capability is strong, and long service life is very suitable for electric automobile and uses.
Lead-acid battery of the present invention has adopted carbon fiber to strengthen grid, so the easier coiling of pole plate, anufacturability is good; Simultaneously, the assembling pressure of battery can be bigger, makes active material be difficult to come off, thereby make the antivibration ability of battery stronger, longer service life.Because it is lighter, thinner than common lead foil grid that carbon fiber strengthens grid, thereby increased the contact-making surface of active material, improved the utilance of active material, so the specific energy of battery has been higher.
To sum up, takeup type lead-acid battery of the present invention not only has characteristics such as capacity is big, specific energy is high, anti-vibration performance is good, good heavy current, long service life, and its unique level design makes it be very suitable for using on the electric automobile.
Description of drawings
Fig. 1 is the structure chart that the carbon fiber made of the present invention strengthens the lead alloy grid.
Fig. 2 is the axial cutaway view of battery of the present invention.
Fig. 3 is the viewgraph of cross-section of battery of the present invention
Among Fig. 2,3,1-housing, 2-positive terminal, 3-negative terminal, 4-positive pole ear, 5-negative lug, 6-dividing plate, 7-positive plate, 8-negative plate, 9-base, 10-vent valve, 11-spool, 12-end cap, 13-positive bus, 14-negative bus-bar.
Embodiment
Below in conjunction with accompanying drawing the embodiment of the invention is described in detail.
Embodiment one: carbon fiber strengthens the manufacture method of lead alloy grid, its as follows:
(1) carbon cloth high temperature degumming: carbon cloth is made by unidirectional long carbon fiber (have only warp, do not have parallel) and epoxy resin, places 480 ℃ environment to toast 7min carbon cloth, removes epoxy resin.
(2) impregnated carbon fiber: in anhydrous and inert gas shielding, at room temperature, the carbon cloth that comes unstuck through (1) step was immersed in the sodium-potassium-sodium alloy of liquid state 2 minutes, then carbon cloth is slowly pulled out.
(3) hot extrusion molding: carbon cloth through (2) step dipping after, under being in HTHP, below the lead of (temperature is that 540 ℃, pressure are 510Mpa) or the quenching to 200 of lead alloy liquid ℃, be crushed to the sheet material that thickness is 1.0mm.Lead can be 1# lead, and lead alloy can be alloys such as slicker solder, plumbous calcium and plumbous antimony chromium, and the tenor beyond the deleading can be regulated on demand.
(4) calendering: the sheet material that (3) step made can be made the sheet material that thickness is 0.4～1.0mm through calendering according to actual needs.
(5) punching: have a hole that certain thickness sheet material can stamp out different shape and size according to the needs of different batteries through what (4) step calendering was made, be fit to the grid that various convoluted lead-acid batteries use to make.
By above-mentioned steps, produce uniform banded carbon fiber-lead alloy composite board continuously, be used for making the grid of convoluted lead-acid battery, its fabric width can be 0.5～1.6m, and thickness can be 0.4～1.0mm, and length can be 10m～300m.
Fig. 1 is that the carbon fiber that the present invention makes strengthens the grid structure chart.Among Fig. 1,1 ' is square hole, and 2 ' is warp, and 3 ' is parallel, and the width of the size of square hole and warp and parallel can be regulated according to actual needs, and the size maximum of square hole can be 20mm * 10mm, and the width of warp and parallel can be between 0.4mm～1.2mm.
The present invention makes composite board by carbon cloth high temperature degumming, impregnated carbon fiber, carbon fiber and metallic lead and lead alloy under HTHP, and then make carbon fiber through punching press, calendering and punching and strengthen the lead alloy grid, its thickness is preferably 0.4～1.0mm, and the content of carbon fiber is preferably 10%～30% (volume).After testing, the composite material that contains 30% carbon fiber is higher more than 45% than the hot strength of basis material, and the adhesion between carbon fiber and the lead alloy is fine.
Embodiment two: carbon fiber strengthens the manufacture method of lead alloy grid, its as follows:
(1) carbon cloth high temperature degumming: carbon cloth is made by unidirectional long carbon fiber (have only warp, do not have parallel) and epoxy resin, places 455 ℃ environment to toast 9min carbon cloth, removes epoxy resin.
(2) impregnated carbon fiber: in anhydrous and inert gas shielding, at room temperature, the carbon cloth that comes unstuck through (1) step was immersed in the sodium-potassium-sodium alloy of liquid state 1.5 minutes, then carbon cloth is slowly pulled out.
(3) hot extrusion molding: carbon cloth through (2) step dipping after, under being in HTHP, below the lead of (temperature is that 460 ℃, pressure are 540Mpa) or the quenching to 200 of lead alloy liquid ℃, be crushed to the sheet material that thickness is 1.0mm.Lead can be 1# lead, and lead alloy can be alloys such as slicker solder, plumbous calcium and plumbous antimony chromium, and the tenor beyond the deleading can be regulated on demand.
(4) calendering: the sheet material that (3) step made can be made the sheet material that thickness is 0.5mm through calendering according to actual needs.
(5) punching: have a hole that certain thickness sheet material can stamp out different shape and size according to the needs of different batteries through what (4) step calendering was made, be fit to the grid that various convoluted lead-acid batteries use to make.
Embodiment three: carbon fiber strengthens the manufacture method of lead alloy grid, its as follows:
(1) carbon cloth high temperature degumming: carbon cloth is made by unidirectional long carbon fiber (have only warp, do not have parallel) and epoxy resin, places 495 ℃ environment to toast 5min carbon cloth, removes epoxy resin.
(2) impregnated carbon fiber: in anhydrous and inert gas shielding, at room temperature, the carbon cloth that comes unstuck through (1) step was immersed in the sodium-potassium-sodium alloy of liquid state 3 minutes, then carbon cloth is slowly pulled out.
(3) hot extrusion molding: carbon cloth through (2) step dipping after, under being in HTHP, below the lead of (temperature is that 500 ℃, pressure are 530Mpa) or the quenching to 200 of lead alloy liquid ℃, be crushed to the sheet material that thickness is 1.0mm.Lead can be 1# lead, and lead alloy can be alloys such as slicker solder, plumbous calcium and plumbous antimony chromium, and the tenor beyond the deleading can be regulated on demand.
(4) calendering: the sheet material that (3) step made can be made the sheet material that thickness is 0.9mm through calendering according to actual needs.
(5) punching: have a hole that certain thickness sheet material can stamp out different shape and size according to the needs of different batteries through what (4) step calendering was made, be fit to the grid that various convoluted lead-acid batteries use to make.
Embodiment four: as Fig. 2, shown in 3, the takeup type lead-acid battery comprises housing 1, end cap 12, positive plate 7, dividing plate 6, negative plate 8, positive pole ear 4, positive bus 13, positive terminal 2, negative lug 5, negative bus-bar 14, negative terminal 3, electrolyte, base 9, vent valve 10, spool 11, end cap 12, housing 1 is the cylindric of two open ends, along its axial middle part spool 11 of packing into, positive plate 7, dividing plate 6, negative plate 8 stacks the back according to certain level and reels a few around spool 11, behind the coiling, outer circle wall is fixed by the extension parcel and the employing anchor clamps of dividing plate 6.Electrolyte fully is adsorbed in positive plate, negative plate and dividing plate.
The carbon fiber that positive/negative plate adopts the embodiment of the invention one to make respectively strengthens the lead alloy grid, lug is one-body molded when making grid, and it makes positive and negative pole plate through (being that carbon fiber enhancing lead alloy grid applies the both positive and negative polarity active material respectively) after being coated with cream grid.To positive pole ear 4, negative lug 5 should be arranged, positive and negative electrode is defended 4,5 and is linked to each other with bus- bar 13,14 respectively respectively for positive plate 7, negative plate 8, and bus- bar 13,14 welds with positive and negative electrode terminal 2,3 respectively.
Battery levels is placed, and positive and negative electrode terminal 2,3 is drawn from the two ends of housing 1 respectively, and the two ends of housing 1 encapsulate an end cap 12 respectively, on each end cap 12 vent valve 10 are installed also.
The outer wall mounting seat 9 of housing 1 is used for the horizontal positioned battery.
More than the preferred embodiments of the present invention have been done detailed description; for those of ordinary skill in the art; according to thought provided by the invention, the part that all can change on the specific embodiment of the invention, range of application, and these changes also should be considered as protection scope of the present invention.
Claims (10)
1. carbon fiber strengthens the manufacture method of lead alloy grid, it is characterized in that as follows:
(1) carbon cloth high temperature degumming: carbon cloth is made by unidirectional long carbon fiber and epoxy resin, places 450 ℃～500 ℃ environment to toast 5～10min carbon cloth, removes epoxy resin;
(2) impregnated carbon fiber: in anhydrous and inert gas shielding, the carbon cloth that comes unstuck through (1) step is immersed in liquid sodium-potassium-sodium alloy, then carbon cloth is pulled out;
(3) hot extrusion molding: carbon cloth through (2) step dipping after, be that 450 ℃～500 ℃, pressure are below the lead of 500Mpa～550Mpa or the quenching to 200 of lead alloy liquid ℃ with being in temperature, be crushed to sheet material;
(4) calendering: the sheet material that the extruding of (3) step forms rolls, and makes the sheet material after the calendering;
(5) punching: the plate stamping that forms through the calendering of (4) step portals.
2. carbon fiber as claimed in claim 1 strengthens the manufacture method of lead alloy grid, it is characterized in that: in (2) step, at room temperature, carbon cloth immersed in liquid sodium-potassium-sodium alloy 1-3 minute.
3. carbon fiber as claimed in claim 1 strengthens the manufacture method of lead alloy grid, it is characterized in that: the sheet metal thickness that (3) step was squeezed into is 1.0mm.
4. carbon fiber as claimed in claim 1 strengthens the manufacture method of lead alloy grid, it is characterized in that: the sheet metal thickness that the calendering of (4) step forms is 0.4～1.0mm.
5. carbon fiber as claimed in claim 1 strengthens the manufacture method of lead alloy grid, and it is characterized in that: the fabric width of described grid is 0.5～1.6m, and length is 10m～300m.
6. takeup type lead-acid battery, comprise housing, end cap, positive plate, dividing plate, negative plate, lug, positive terminal, negative terminal, electrolyte, vent valve, it is characterized in that: the housing both ends open, in adorn a spool, both positive and negative polarity, dividing plate, negative plate stack gradually the back and reel a few around described spool, the extension parcel of back outer circle wall by described dividing plate of reeling; Described positive plate, negative plate adopt respectively and strengthen the lead alloy grid as the prepared carbon fiber of each manufacture method of claim 1-5 and be coated with positive active material, negative electrode active material respectively and make; To anode ear, negative electrode lug should be arranged, anode ear, negative electrode lug link to each other with positive terminal, negative terminal respectively respectively for described positive plate, negative plate; Described housing horizontal positioned, positive terminal, negative terminal are drawn from the two ends of housing respectively; Described end cap is packaged in the end of described housing, and vent valve is housed on the end cap; Described electrolyte fully is adsorbed in positive plate, negative plate and dividing plate.
7. takeup type lead-acid battery as claimed in claim 6 is characterized in that: described positive plate and positive pole ear, negative plate and negative lug adopt described carbon fiber to strengthen lead alloy grid integrated punching respectively and form.
8. as claim 6 or 7 described takeup type lead-acid batteries, it is characterized in that: described positive terminal, negative terminal are welded in positive pole ear, negative lug respectively.
9. takeup type lead-acid battery as claimed in claim 6 is characterized in that: described housing outer wall assembles a base.
10. as claim 6 or 7 described takeup type lead-acid batteries, it is characterized in that: described anode ear, negative electrode lug link to each other with positive bus, negative bus-bar respectively, and positive bus, negative bus-bar weld with described positive terminal, negative terminal respectively.
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| CN2011101408531A CN102244268B (en) | 2011-05-27 | 2011-05-27 | Method for manufacturing carbon fiber reinforced lead alloy plate grid and winding lead-acid battery |
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| CN2011101408531A CN102244268B (en) | 2011-05-27 | 2011-05-27 | Method for manufacturing carbon fiber reinforced lead alloy plate grid and winding lead-acid battery |
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| CN102244268B CN102244268B (en) | 2013-07-03 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593532A (en) * | 2012-02-07 | 2012-07-18 | 杭州中亿科技有限公司 | Folding lead-acid storage battery |
| CN102751505A (en) * | 2012-07-25 | 2012-10-24 | 杨成清 | Lead-acid storage battery polar plate grid |
| CN103956524A (en) * | 2014-04-18 | 2014-07-30 | 河南超威电源有限公司 | Concentrated-colloid battery with long service life |
| CN104241656A (en) * | 2014-08-08 | 2014-12-24 | 超威电源有限公司 | Nanometer lead-carbon grid alloy for a storage battery and preparation method of nanometer lead-carbon grid alloy |
| CN104659321A (en) * | 2014-07-10 | 2015-05-27 | 湖北骆驼蓄电池研究院有限公司 | Coiled lead-acid storage battery |
| CN106601974A (en) * | 2016-11-29 | 2017-04-26 | 江苏海宝电池科技有限公司 | Carbon fiber grid for power battery and application of carbon fiber grid |
| CN107069115A (en) * | 2017-06-05 | 2017-08-18 | 郑州赛奥电子股份有限公司 | Nano-silicon energy graphite takeup type super-energy battery and preparation method thereof |
| CN107170990A (en) * | 2017-05-24 | 2017-09-15 | 海志电源技术（赣州）有限公司 | A kind of power lead-acid storage battery and its manufacture method |
| CN110277561A (en) * | 2019-07-03 | 2019-09-24 | 周诚悦 | A kind of lead-acid battery lead calcium carbon anode grid and preparation method thereof |
| CN110299538A (en) * | 2019-07-03 | 2019-10-01 | 周诚悦 | A kind of lead-acid battery anode grid and preparation method thereof based on carbon fiber felt |
| CN112510213A (en) * | 2020-12-08 | 2021-03-16 | 英德奥克莱电源有限公司 | Preparation method of positive grid |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593532B (en) * | 2012-02-07 | 2016-06-29 | 杭州中亿科技有限公司 | Folding lead-acid storage battery |
| CN102593532A (en) * | 2012-02-07 | 2012-07-18 | 杭州中亿科技有限公司 | Folding lead-acid storage battery |
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| CN103956524A (en) * | 2014-04-18 | 2014-07-30 | 河南超威电源有限公司 | Concentrated-colloid battery with long service life |
| CN103956524B (en) * | 2014-04-18 | 2017-02-15 | 河南超威电源有限公司 | Concentrated-colloid battery with long service life |
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| CN104241656A (en) * | 2014-08-08 | 2014-12-24 | 超威电源有限公司 | Nanometer lead-carbon grid alloy for a storage battery and preparation method of nanometer lead-carbon grid alloy |
| CN104241656B (en) * | 2014-08-08 | 2016-08-31 | 超威电源有限公司 | A kind of accumulator nanometer lead carbon grid alloy and preparation method thereof |
| CN106601974A (en) * | 2016-11-29 | 2017-04-26 | 江苏海宝电池科技有限公司 | Carbon fiber grid for power battery and application of carbon fiber grid |
| CN107170990A (en) * | 2017-05-24 | 2017-09-15 | 海志电源技术（赣州）有限公司 | A kind of power lead-acid storage battery and its manufacture method |
| CN107069115A (en) * | 2017-06-05 | 2017-08-18 | 郑州赛奥电子股份有限公司 | Nano-silicon energy graphite takeup type super-energy battery and preparation method thereof |
| CN107069115B (en) * | 2017-06-05 | 2018-07-10 | 郑州赛奥电子股份有限公司 | Nano-silicon energy takeup type super-energy battery and preparation method thereof |
| CN110277561A (en) * | 2019-07-03 | 2019-09-24 | 周诚悦 | A kind of lead-acid battery lead calcium carbon anode grid and preparation method thereof |
| CN110299538A (en) * | 2019-07-03 | 2019-10-01 | 周诚悦 | A kind of lead-acid battery anode grid and preparation method thereof based on carbon fiber felt |
| CN112510213A (en) * | 2020-12-08 | 2021-03-16 | 英德奥克莱电源有限公司 | Preparation method of positive grid |
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