CN102396099A - Method for recycling negative electrode plate of waste lead-acid power battery - Google Patents
Method for recycling negative electrode plate of waste lead-acid power battery Download PDFInfo
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- CN102396099A CN102396099A CN2010800144402A CN201080014440A CN102396099A CN 102396099 A CN102396099 A CN 102396099A CN 2010800144402 A CN2010800144402 A CN 2010800144402A CN 201080014440 A CN201080014440 A CN 201080014440A CN 102396099 A CN102396099 A CN 102396099A
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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
- H01M10/54—Reclaiming serviceable parts of waste accumulators
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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
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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
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/84—Recycling of batteries or fuel cells
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Abstract
A method for recycling negative electrode plates of waste lead-acid power batteries: connecting each waste lead-acid battery in series; adding dilute sulfuric acid into each battery; charging the waste lead-acid batteries with regulated electrolyte with desired specific gravity in pulse charging mode to recover the battery negative electrode capacities to initial capacities partly or totally; discharging the batteries in constant current, and recording the present capacities of the negative electrode plates of the batteries; weeding out the unrecoverable negative electrode plates based on the present capacities, and classifying other negative electrode plates into several groups based on the present capacities; cutting the negative electrode plates from the bus bar of the batteries group by group and drying them; choosing matching positive electrode plates according to the present capacities of each group of negative electrode plates, and lengthening the length of the tabs of the dried negative electrode plates to accord with the length of the tabs of the positive electrode plates; preparing a complete negative plate assembly through the bus bar by burn-welding or cast-welding; then preparing a new lead-acid battery with the negative plate assembly and the positive plate assembly composed of the matching positive electrode plates. The beneficial effects of the invention are as follows: recovering the capacities of the recycled batteries, classifying the negative electrode plates in different capacities so as to conveniently choose the corresponding positive electrode plates to match the negative electrode plates, and forming batteries with reasonable design. Simultaneously, the negative electrode does not need an antioxidative treatment, thus extra waste water or spent acid does not occur in the invention.
Description
The recoverying and utilizing method of negative electrode plate of waste lead-acid power battery
Technical field：The present invention relates to the recoverying and utilizing method of the electrode of lead-acid accumulator, more particularly to the regeneration, more particularly to negative electrode plate of waste lead-acid power battery of the useful part of used and scrapped battery.
Background technology is with the aggravation for saying beneficial exhausted, greenhouse effects of the chemical energy sources such as oil, and every country increases the research of electric vehicle and industrialization is put into.It is electric vehicle " engine " that wherein electrokinetic cell, which is known as, of greatest concern.Can in high volume it come into operation at present, and cost is suitable for the only lead-acid accumulator of receiving.According to conservative estimation, the global video bicycle sales volume of the first half of the year in 2009 has 15,017,010,000 dollars, and generally battery has accounted for 20 % of its selling price, that is to say, that the lead-acid battery sales volume of the first half of the year in 2009 is about 300340.2 ten thousand yuan.But lead-acid battery, as electric vehicles electrokinetic cell, its cycle life only has the time of 1-2 year.There is substantial amounts of such electrokinetic cell to scrap every year.It is well known that the battery that service life cycle is terminated typically has two reasons：First, said positive-pole plate structure is collapsed, argillization and lose conductive capability, battery end of life；Second, negative plate sulfation, capacity, which declines, causes battery end of life.The battery of end-of-life because of the reason, its anode plate and conductive capability all have no problem, and simply active material have dropped using degree.
It is known that lead-acid battery also has another purposes, that is, as floating charge stand-by power supply, such as the back-up source of large-scale telecomm base station, bank, solar street light etc..It is that grid corrosion loses conductive capability in pole plate that the service life of lead accumulator of this purposes, which terminates Main Patterns,.So we it finds that, the negative plate that service life cycle is terminated, although capacity has declined, but be still that can meet life requirements as floating charge stand-by power supply, its grid structure is intact, and corrosion is slight, and spongy lead electric conductivity is good.In view of both occupation mode battery end of life patterns are different, it is believed that cycle life can be used to terminate the negative plate of battery completely, to be assembled into the lead-acid accumulator that floating charge is used.
Chinese patent application CN 101286583A propose a kind of processing technology of lead-acid accumulator recycling, it is mentioned that the lead-acid accumulator after recovery is opened with mechanical force, negative plate is taken out, in dilution heat of sulfuric acid after charging reduction, handles and dries through antioxidant.The negative plate handled well can mix or be independently matched with new positive plate and use, and be assembled into battery and use.But and be put into the technical scheme in electrolytic bath, being charged in dilution heat of sulfuric acid is reduced, and is then cleaned and is dried in the aqueous solution for have antioxidant, it is necessary to negative plate is taken out from battery.This method is similar to lead-acid battery electrode plate manufacture craft, to consume substantial amounts of water, and produce reluctant spent acid and waste water.Pole plate is taken out simultaneously, is welded once more in electrolytic bath, wastes substantial amounts of manpower.
In addition, the patent is not also classified the battery of recovery, only use monomer battery voltage higher than 1.0V for the normal standard for reclaiming battery.Monomer battery voltage can not illustrate that the electric conductivity and grid structure of the GND are most of complete in more than 1.0V in fact.The battery that part float life is terminated is entirely possible to, negative electrode grid fully corrodes, it is impossible to regular picture, but because it still has fraction capacity and conductive capability, open-circuit voltage still can reach more than 1.0V's.Obviously the standard with monomer voltage higher than 1.0V is insecure.
Content of the invention the technical problem to be solved in the present invention is to avoid above-mentioned the deficiencies in the prior art part and provide a kind of recoverying and utilizing method of negative electrode plate of waste lead-acid power battery, and the substantial amounts of water of consumption that solution prior art is present simultaneously produces reluctant spent acid and waste water and the unfiled processing of negative plate causes the problem of recovery efficiency is not high.The present invention, which solves the technical problem, to be realized by using following technical scheme：A kind of recoverying and utilizing method of negative electrode plate of waste lead-acid power battery is provided, in turn included the following steps：
A. each waste lead acid battery is connected, the dilute sulfuric acid that proportion is 1.28 ~ 1.34 is added into each battery cell, addition is 5-20 % of the normal acid amount of the battery cell, has obvious free acid to be defined to observe at the top of battery separator；And battery electrolyte proportion is adjusted between normal battery identical 1.28-1.32, then shelving 4-24 hours.
B. electrolyte density will have been adjusted and carried out charging process with pulse charging manner to the waste lead acid battery meeted the requirements, made the GND capacity portions or full recovery to former capability value.
C. the battery is discharged with constant current, and records the discharge capacity of negative plate, when the battery discharge to the final voltage allowed, the negative plate discharge capacity recorded, the existing capacity of negative plate of as described battery.
D. the negative plate that the existing capacity of the negative plate is less than its former % of capacity 70 is rejected, other negative plates are divided into each capacity group with existing capacity per poor 10 %.
E. in the glove box for moving to nitrogen protection respectively in units of each capacity group of the battery, negative plate is cut from the bus-bar of the battery.
F. the negative plate cut still is moved on to respectively in units of each capacity group in the vacuum drying oven protected filled with nitrogen and toasted, untill the water content into the vacuum drying oven no longer changes.
' G. with each capacity group negative plate of fan the positive plate that is adapted to therewith of existing Capacity Selection, and the lug for having dried negative plate is lengthened, makes its length consistent with the positive plate.
H. a complete negative pole group, and the positive pole that the matched positive plate group is constituted is made by bus-bar in the negative plate that use is freezed or cast welding mode increases the lug, and new lead-acid battery is made.The step B " will adjust electrolyte density and carry out charging process with pulse charging manner to the waste lead acid battery meeted the requirements, make the GND capacity portions or full recovery to former capability value ", including step by step：Bl. the battery is charged with 0.05 ~ 0.1 times of electric current of the battery rated capacity, charge volume is one to four times of battery rated capacity.
B2. the final voltage value allowed with 0.05-0.1 times of current discharge of the battery rated capacity to it.Above step bl and b2 are repeated 3 times, untill the waste lead acid battery discharge time is there is no significant change.Described in step C " battery is discharged with constant current, and records the discharge capacity of negative pole, when the battery discharge to the electric final voltage allowed, the negative discharge amount recorded, the capacity of negative plates value of as described battery ", including step by step：
Cl. reference electrode is inserted in the acid adding hole of the battery after being handled through the step B or is the hole ^ I bored on the battery cover, the reference electrode is located at cell pole group top, and be allowed to the electrolyte contacts with the inside battery.
The of c 2 record the relative voltage of the reference electrode and negative plate, then discharged with a constant current, the constant currents are 0. 05 ~ 0. 5 times of the battery rated capacity, when reach it is described allow final voltage condition when, the capacity that negative pole is released in cell is calculated, the capacity is the existing capacity of negative pole of the battery.Described in step F " negative plate cut still is moved on in the vacuum drying oven protected filled with nitrogen respectively in units of each capacity group and toasted, " is to say untill the water content into the vacuum drying oven no longer changes：Each negative plate (is toasted in temperature 40'C ~ 10 in TC vacuum drying oven, the vacuum drying oven was vacuumized once in every 10 ~ 30 minutes, to discharge the moisture content in the vacuum drying oven, untill the water content in the vacuum drying oven no longer changes." lug for having dried negative plate is lengthened, make its length consistent with the positive plate " described in step G, including step by step：
Gl. by tab cutting in the negative plate main body, the remaining length of the lug is made！^ meets below equation：
L, = D,
Wherein R.6It is the lug and at negative plate main body arcing engagement 06 arc radius, D is negative pole reserved value, typically takes 1 ~ 5mm;
G2. an IHJ groove moulds are made, the width ^ of the groove is adapted to the lug width W, E3 groove depths H4Thickness H than the lug is higher by 0. 5-2 Surface；Its length L4It is adapted to the length L that the lug to be lengthened to；
G3. by the lead roll-in with the lug same material, the thickness to the lead is identical with the lug degree, then the lead is cut into leads, the thickness H of the leads3, thickness H, the width W of width ^ respectively with the lug it is identical, and its length L3, meet equation below：
L3 = L - L,-D2,
Wherein L is the negative plate main body lug length to be lengthened to, and 1^ is lug residue length described in step gl； D2Leads reserved value, takes l ~ 3mm;
G4. the lug of the negative plate is put into the G3 grooves of the mould, and the leads is also placed in the C3 grooves, make the space between the top contact of leads and G3 grooves, and the lug and leads and the negative pole reserved value D2It is identical；
G5. the position that being heated with flame makes both the lug and lead be close is melted, and is then added lead water into gap between the two, the thickness of the gap is not less than the thickness H of the lug.The capacity of positive plate is 90 ~ 95 % of the existing capacity of the negative plate in " positive plate being adapted to therewith with each existing Capacity Selection of capacity group negative plate " described in step G.
The final voltage allowed：6V batteries are 4. 8-5. 4V, and 12V batteries are 9. 6-10. 8V.
The reference electrode is to use cadmium electrode, or Mercurous sulfate electrode.Compared with the existing technology compared with, the beneficial effects of the present invention are：Capacity restoration processing has been carried out to the battery of recovery, and the negative pole of different capabilities has been classified, can easily select corresponding positive pole to be matched, to constitute battery reasonable in design.Meanwhile, the present invention is in the application, it is not necessary to carries out anti-oxidant treatment to negative pole, will not produce new waste water or spent acid.
Brief description of the drawings Fig. 1 is the schematic flow sheet of the preferred embodiment of the present invention;
Fig. 2 is that negative pole 01 described in the preferred embodiment of the present invention, leads 03 are placed in IHJ groove moulds
Schematic top plan view in 04 groove 0401；
Fig. 3 is the schematic cross-sectional view of A-A in Fig. 2；
Fig. 4 is the schematic cross-sectional view of B-B in Fig. 2.Below embodiment, the present invention is expanded on further in the preferred embodiment with reference to shown in accompanying drawing.
Referring to Fig. 1, the preferred embodiment of the recoverying and utilizing method of waste and old lead acid electrokinetic cell of the present invention is to use still secondary following steps：
A. each waste lead acid battery is connected, the dilute sulfuric acid that proportion is 1.28-1.34 is added into each battery cell, addition is 5-20 % of the normal acid amount of the battery cell, has obvious free acid to be defined to observe at the top of battery separator；And battery electrolyte proportion is adjusted between normal battery identical 1.28-1.32, then shelve 4 ~ 24 hours.
B. electrolyte density will have been adjusted and carried out charging process with pulse charging manner to the waste lead acid battery meeted the requirements, made the GND capacity portions or full recovery to former capability value.
C. the battery is discharged with constant current, and records the discharge capacity of negative plate, when the battery discharge to final discharging voltage, the negative plate discharge capacity recorded, the existing capacity of negative plate of as described battery.
D. the negative plate that the existing capacity of the negative plate is less than its former % of capacity 70 is rejected, other negative plates are divided into each capacity group with existing capacity per poor 10 %.
E. in the glove box for moving to nitrogen protection respectively in units of each capacity group of the battery, negative plate is cut from the bus-bar of the battery；
F. the negative plate cut still is moved on to respectively in units of each capacity group in the vacuum drying oven protected filled with nitrogen and toasted, untill the water content into the vacuum drying oven no longer changes.
G. the positive plate being adapted to therewith with the existing Capacity Selection of each capacity group negative plate, and the lug for having dried negative plate is lengthened, make its length consistent with the positive plate.
H. a complete negative pole group, and the positive pole group that the matched positive plate is constituted is made by bus-bar in the negative plate that use is freezed or cast welding mode increases the lug, and new lead-acid battery is made.The step B " will adjust electrolyte density and carry out charging process with pulse charging manner to the waste lead acid battery meeted the requirements, make the GND capacity portions or full recovery to former capability value ", including step by step：Bl. the battery is charged with 0.05-0.1 times of electric current of the battery rated capacity, charge volume is that battery is specified
One times to four times of capacity；
B2. the final voltage value allowed with 0.05-0.1 times of current discharge of the battery rated capacity to it.Above step bl and b2 are repeated 1 ~ 3 time, untill the waste lead acid battery discharge time is there is no significant change.Described in step C " battery is discharged with constant current, and records the discharge capacity of negative pole, when the battery discharge to final discharging voltage, the negative discharge amount recorded, the capacity of negative plates value of as described battery ", including step by step：
Cl. reference electrode is inserted in the acid adding hole of the battery after being handled through the Bu Sudden B or is the reference electrode is located at cell pole group top in the hole bored on the battery cover, and be allowed to the electrolyte contacts with the inside battery；
The of c 2 record the relative voltage of the reference electrode and negative plate, then discharged with a constant current, the constant current is 0. 05-0. 5 times of the battery rated capacity, when reach it is described allow final voltage condition when, the capacity that negative pole is released in cell is calculated, the capacity is the existing capacity of negative pole of the battery.
Reference electrode described in this example is to use cadmium electrode, or Mercurous sulfate electrode.Described in step F " negative plate sheared off is moved on in the vacuum drying oven protected filled with nitrogen and toasted, " is to say untill the water content into the vacuum drying oven no longer changes：(flood is roasting in TC-Ι Ο Ο Χ vacuum drying oven in temperature 4 for the negative plate, the vacuum drying oven was vacuumized once in every 10-30 minutes, to discharge the moisture content in the vacuum drying oven, untill the water content in the vacuum drying oven no longer changes." lug for having dried negative plate is lengthened, make its length consistent with the positive plate " referring to Fig. 2 to 4, described in step G, including step：
Gl. lug 02 in the negative plate main body 01 is cut, makes the remaining length L of the lug 02, meet below equation：
L, = R06+ D„
Wherein R.6The arc radius for being the lug 02 with the arcing engagement of negative plate main body 01 06, D is negative pole reserved value, typically take 1-5
G2. a female mold tool 04, the width W of the groove 0401 are made4It is adapted to the width W of lug 02, should
The depth H of groove 04014Thickness H than the lug 02 is higher by 0. 5 ~ 2 Surface；Its length L4It is consistent with the length L that the lug 02 to be lengthened to.
G3. by the lead roll-in with the same material of lug 02, the thickness to the lead is identical with the thickness of lug 02, then the lead is cut into leads 03, the thickness H of the leads 033, width W3Thickness H, width W respectively with the lug 02 is identical, and its length L3, meet equation below：
L3 = L—Li-Ds,
Wherein L is the length to be lengthened to of lug 02 of negative plate main body 01, and 1^ is the residue length of lug 02, D in step Smilingly gl2It is leads reserved value, takes 1-3 Let.
G4. the lug 02 of the negative plate main body 01 is put into the groove 0401 of the mould 04, and the leads 03 is also placed in the groove 0401, make the space 05 and leads reserved value D between the top contact of leads 03 and groove 0401, and the lug 02 and leads 032It is identical.
G5. being heated with flame melts the position that both the lug 02 and lead 03 be close, and then adds lead water at space 05 between the two, the thickness at the space 05 is not less than the thickness 11 of the lug 02.The capacity of positive plate is 90-95 % of the existing capacity of the negative plate in " positive plate being adapted to therewith with the existing Capacity Selection of the negative plate " described in step G, as shown in the table：
Because being adjusted to the concentration of electrolyte unanimously in this programme step A, the sulfuric acid amount contained by the negative plate of every recovery is the same.So when battery acid adding enters identical acid, the sour proportion of final each cell is also the same.Therefore, if according to the sulfuric acid concentration finally needed, the sulfuric acid amount with reference to contained by negative plate, calculate need plus sulfuric acid concentration and amount just can be with.
The final voltage allowed described in the present embodiment：6V batteries are 4. 8-5. 4V, and 12V batteries are 9. 6 ~ 10. 8V.The lead-acid battery made of the inventive method can be used in multiple use, recycle, used as floating charge stand-by power supply for example as electrokinetic cell.Optimum use occasion is floating charge stand-by power supply, is, with 2.28-2.3V/ monomers, low current charge to be carried out for a long time, the mode of operation simply discharged once in a while.Said process is preferred implementation process of the present invention, usual change and substitute within protection scope of the present invention that those skilled in the art is basically carried out in the present invention.
Claims (1)
- The recoverying and utilizing method of claims kind negative electrode plate of waste lead-acid power battery, in turn includes the following steps：A. each waste lead acid battery is connected, the dilute sulfuric acid that proportion is 1.28-1.34 is added into each battery cell, addition is 5 ~ 20 % of the normal acid amount of the battery cell, has obvious free acid to be defined to observe at the top of battery separator；And battery electrolyte proportion is adjusted between normal battery identical 1.28-1.32, then shelving 4-24 hours； .B. the waste lead acid battery for having adjusted electrolyte density requirement with pulse charging manner is subjected to charging process, makes the GND capacity portions or full recovery to original capability value；C. the battery is discharged with constant current, and records the discharge capacity of negative plate, when the battery discharge to negative plate discharge capacity when allowing final discharging voltage, recorded, the existing capacity of negative plate of as described battery；D. the negative plate that the existing capacity of the negative plate is less than its former % of capacity 70 is rejected, other negative plates are divided into each capacity group with existing capacity per poor 10 %；E. in the glove box for moving to nitrogen protection respectively in units of each capacity group of the battery, negative plate is cut from the bus-bar of the battery；F. the negative plate cut still is moved on to respectively in units of each capacity group in the vacuum drying oven protected filled with nitrogen and toasted, untill the water content into the vacuum drying oven no longer changes；G. the positive plate being adapted to therewith with the existing Capacity Selection of each capacity group negative plate, and the lug for having dried negative plate is lengthened, make its length consistent with the positive plate；H. a complete negative pole group, and the positive pole group that the matched positive plate is constituted is made by bus-bar in the negative plate that use is freezed or cast welding mode increases the lug, and new lead-acid battery is made.According to the recoverying and utilizing method of negative electrode plate of waste lead-acid power battery described in claim 1, it is characterised in that：The waste lead acid battery for having adjusted electrolyte density requirement with pulse charging manner is carried out charging process by the step B ", makes the GND capacity portions or full recovery to original capability value ", including step by step：Bl. the battery is charged with 0.05-0.1 times of electric current of the battery rated capacity, charge volume is one times to four times of battery rated capacity；B2. the final discharging voltage value allowed again with 0.05-0.1 times of current discharge of the battery rated capacity to it.The above Bu Sudden bl and b2 are repeated 1 ~ 3 time, become until the waste lead acid battery discharge time there is no obvious Turn to only.According to the recoverying and utilizing method of negative electrode plate of waste lead-acid power battery described in claim 1, it is characterised in that：Described in step C " battery is discharged with constant current, and records the discharge capacity of negative pole, when the battery discharge to the final discharging voltage allowed, the negative discharge amount recorded, the capacity of negative plates value of as described battery ", including step by step:Cl. reference electrode is inserted in the acid adding hole of the battery after being handled through the step B or is the reference electrode is located at cell pole group top in the hole bored on the battery cover, and be allowed to the electrolyte contacts with the inside battery；The of c 2 record the relative voltage of the reference electrode and negative plate, then discharged with a constant current, the constant current is 0.05-0.5 times of the battery rated capacity, when reach it is described allow final voltage condition when, the capacity that negative pole is released in cell is calculated, the capacity is the existing capacity of negative pole of the battery.According to the recoverying and utilizing method of negative electrode plate of waste lead-acid power battery described in claim 1, it is characterised in that：Described in step F " negative plate cut still is moved on in the vacuum drying oven protected filled with nitrogen respectively in units of each empty amount group and toasted, " is to say untill the water content into the vacuum drying oven no longer changes：Each negative plate is toasted in temperature 40'C ~ 100'C vacuum drying oven, the vacuum drying oven is vacuumized once in every 10 ~ 30 minutes, to discharge the moisture content in the vacuum drying oven, untill the water content in the vacuum drying oven no longer changes.According to the recoverying and utilizing method of negative electrode plate of waste lead-acid power battery described in claim 1, it is characterised in that：" lug for having dried negative plate is lengthened, make its length consistent with the positive plate " described in step G, including step by step：Gl. by the negative plate main body（01) lug on（02) cut, make the lug（ 02) remaining length L, meet below equation：Wherein R.6It is the lug（02) with negative plate main body（01) at arcing engagement 06 arc radius, ^ is negative pole reserved value, typically take 1-5Leg.G2. a female mold tool is made（04), the groove（0401) width W4With the lug（02) width W is adapted to, the groove（0401) depth H4Than the lug（02) thickness H is higher by 0. 5 ~ 2 legs；Its Length 1^4With the lug（02) the length L to be lengthened to is consistent.G3. will be with the lug（02) the lead roll-in of same material, to thickness and the lug of the lead（02) thickness is identical, then the lead is cut into leads（03), the leads（03) thickness H3, width W3Respectively with the lug（02) thickness H, width W is identical, and its length L3, meet equation below：Wherein L is the negative plate main body（01) lug（02) length to be lengthened to, is the lug in step gl（02) residue length, D2It is leads reserved value, takes 1-3G4. by the negative plate main body（01) lug（02) it is put into the mould（04) groove（0401) in, and by the leads（03) it is also placed in the groove（0401) in, leads is made（And groove 03)（0401) top contact, and the lug（And leads 02)（03) space between（05) with the leads reserved value D2It is identical；G5. the lug is made with flame heating（And lead 02)（03) the two position being close fusing, then to space between the two（05) lead water is added in place, makes the space（05) thickness at place is not less than the lug（02) recoverying and utilizing methods of the thickness H according to negative electrode plate of waste lead-acid power battery described in claim 1, it is characterised in that：The capacity of positive plate is recoverying and utilizing methods of 90 ~ 95 % according to negative electrode plate of waste lead-acid power battery described in claim 12 or 3 of the existing capacity of each negative plate in " positive plate being adapted to therewith with each existing Capacity Selection of capacity group negative plate " described in step G, it is characterised in that：The final voltage allowed：6V batteries are 4.8-5.4V, and 12V batteries are recoverying and utilizing methods of the 9.6 ~ 10.8V according to negative electrode plate of waste lead-acid power battery described in claim 3, it is characterised in that：The reference electrode uses cadmium electrode, or Mercurous sulfate electrode.
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| Application Number | Priority Date | Filing Date | Title |
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| PCT/CN2010/000136 WO2011091553A1 (en) | 2010-02-01 | 2010-02-01 | Method for recycling negative electrode plate of waste lead-acid power battery |
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| CN102396099A true CN102396099A (en) | 2012-03-28 |
| CN102396099B CN102396099B (en) | 2014-07-16 |
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| US10062933B2 (en) | 2015-12-14 | 2018-08-28 | Johnson Controls Technology Company | Hydrometallurgical electrowinning of lead from spent lead-acid batteries |
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| JP3510795B2 (en) * | 1998-07-24 | 2004-03-29 | 株式会社テック | How to recycle lead-acid batteries |
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| CN1496592A (en) * | 2002-02-12 | 2004-05-12 | 松下电器产业株式会社 | Method for recycling secondary battery |
| CN101286583A (en) * | 2008-05-22 | 2008-10-15 | 潘孝坤 | Recycling and re-using process for waste lead acid accumulator |
| CN101291008A (en) * | 2008-06-03 | 2008-10-22 | 北京化工大学 | Method of recycling waste lead acid battery lead by electrolyzing with acid-wet method |
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| US10403940B2 (en) | 2014-06-20 | 2019-09-03 | Cps Technology Holdings Llc | Systems and methods for closed-loop recycling of a liquid component of a leaching mixture when recycling lead from spent lead-acid batteries |
| US11005129B2 (en) | 2014-06-20 | 2021-05-11 | Clarios Germany Gmbh & Co. Kgaa | Systems and methods for closed-loop recycling of a liquid component of a leaching mixture when recycling lead from spent lead-acid batteries |
| US9670565B2 (en) | 2014-06-20 | 2017-06-06 | Johnson Controls Technology Company | Systems and methods for the hydrometallurgical recovery of lead from spent lead-acid batteries and the preparation of lead oxide for use in new lead-acid batteries |
| US11923518B2 (en) | 2014-06-20 | 2024-03-05 | Clarios Advanced Germany Gmbh & Co. KG | Systems and methods for closed-loop recycling of a liquid component of a leaching mixture when recycling lead from spent lead-acid batteries |
| US9533273B2 (en) | 2014-06-20 | 2017-01-03 | Johnson Controls Technology Company | Systems and methods for isolating a particulate product when recycling lead from spent lead-acid batteries |
| US9757702B2 (en) | 2014-06-20 | 2017-09-12 | Johnson Controls Technology Company | Systems and methods for purifying and recycling lead from spent lead-acid batteries |
| US9555386B2 (en) | 2014-06-20 | 2017-01-31 | Johnson Controls Technology Company | Systems and methods for closed-loop recycling of a liquid component of a leaching mixture when recycling lead from spent lead-acid batteries |
| US10122052B2 (en) | 2014-06-20 | 2018-11-06 | Johnson Controls Technology Company | Systems and methods for purifying and recycling lead from spent lead-acid batteries |
| US9751067B2 (en) | 2014-06-20 | 2017-09-05 | Johnson Controls Technology Company | Methods for purifying and recycling lead from spent lead-acid batteries |
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| CN106920998A (en) * | 2017-03-22 | 2017-07-04 | 超威电源有限公司 | The method for preparing metallic lead containing scrap lead using old and useless battery |
| CN112034372A (en) * | 2020-09-04 | 2020-12-04 | 超威电源集团有限公司 | Lead-acid battery failure reason detection method |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN102396099B (en) | 2014-07-16 |
| WO2011091553A1 (en) | 2011-08-04 |
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