CN105226338A - A kind of lead acid accumulator rapid internalization becomes charging method - Google Patents
A kind of lead acid accumulator rapid internalization becomes charging method Download PDFInfo
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- CN105226338A CN105226338A CN201510683219.0A CN201510683219A CN105226338A CN 105226338 A CN105226338 A CN 105226338A CN 201510683219 A CN201510683219 A CN 201510683219A CN 105226338 A CN105226338 A CN 105226338A
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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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/446—Initial charging measures
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention discloses a kind of lead acid accumulator rapid internalization and become charging method, point 27 discharge and recharge stages, period comprises 8 electric discharges and leaves standstill for 1 time and 1 capacity inspection combo, wherein maximum charging current 0.15C
3-0.20C
3, minimum charge current 0.01C
3~ 0.05C
3; Lead acid accumulator is through repeatedly discharge and recharge, and the electricity be at every turn filled with is greater than the electricity of releasing subsequently.The inventive method effectively can reduce concentration polarization phenomenon, reduces the infringement of the crystal structure of the active material on pole plate, thus extends the service life cycle of lead acid accumulator.Detect according to GB/T18332.1-2009 regulation, the cycle life of the lead acid accumulator of the inventive method is greater than 450 times, and lead acid accumulator initial capacity is not less than 100% (in rated capacity).
Description
Technical field
The present invention relates to lead acid accumulator, be specifically related to a kind of lead acid accumulator rapid internalization and become charging method.
Background technology
Lead acid accumulator is internalized into be compared with tank formation (channelization one-tenth), has many advantages, the load that its technological process simplifies pole plate washing, dry and battery supplements electricity and slot type changes into, welds, gets the operations such as sheet.Save a large amount of energy (pure water, acid and electric equal energy source), man-hour, floor space is little, need not purchase electrolytic bath equipment and acid-mist equipment, and battery becomes instinct to obtain certain reduction.Pole plate is not easily polluted by impurity, can reduce self-discharge of battery, improves battery with two side terminals, extends battery life.Further, container formation reduces the discharge of waste water and gas, thus decreases environmental pollution, and therefore, container formation is worth large-scale popularization.
Existing internalized charging method is more, the Chinese patent literature being CN101853968A as publication number discloses a kind of internalized charging method for standby lead-acid battery, be internalized into 5 ~ 7 times that charging total amount is lead acid accumulator rated capacity, total charging time is 95 ~ 105 hours, period is through 2 electric discharges, 6 chargings and leave standstill for 1 time, wherein maximum charging current 0.15C
10, minimum charge current 0.03C
10.
Publication number is that the Chinese patent literature of CN104577217A discloses a kind of energy storage container formation process for lead acid storage battery; It comprises the following steps: S1: leave standstill 1 ~ 2h by after lead acid accumulator acid adding; S2: to lead acid accumulator with the electric current constant current charge 14.0h of 0.15 ~ 0.30C; S3: to lead acid accumulator with the electric current constant-current discharge 1.5h of 0.12 ~ 0.24C; S4: to lead acid accumulator with the electric current constant current charge 4.0h of 0.15 ~ 0.30C; S5: to lead acid accumulator with the electric current constant-current discharge 2.0h of 0.12 ~ 0.24C; S6: to lead acid accumulator with the electric current constant current charge 9.5h of 0.15 ~ 0.30C; S7: to lead acid accumulator with the electric current constant-current discharge 3.0h of 0.12 ~ 0.24C; S8: to lead acid accumulator with the electric current constant current charge 11.0h of 0.15 ~ 0.30C.
Publication number is that the Chinese patent literature of CN104134826A discloses a kind of lead acid accumulator eight and fills seven and put and be internalized into charge technology, comprise: step one: first time charging: first carry out charging 3h with the current versus cell of 3.0A, then carry out charging 7.5h with the current versus cell of 5.0A; Step 2: first time electric discharge: carry out electric discharge 0.5h with the current versus cell of 6.0A; Step 3: second time charging: carry out charging 2.5h with the current versus cell of 5.0A; Step 4: second time electric discharge: carry out electric discharge 1h with the current versus cell of 6.0A; Step 5: third time charging: carry out charging 3h with the current versus cell of 5.0A; Step 6: third time electric discharge: carry out electric discharge 1h with the current versus cell of 8.0A; Step 7: the 4th charging: carry out charging 3.5h with the current versus cell of 5.0A; Step 8: the 4th electric discharge: carry out electric discharge 1h with the current versus cell of 8.0A; Step 9: the 5th charging: carry out charging 4h with the current versus cell of 5.0A; Step 10: the 5th electric discharge: carry out electric discharge 1h15min with the current versus cell of 8.0A; Step 11: the 6th charging: carry out charging 4h with the current versus cell of 5.0A; Step 12: the 6th electric discharge: carry out electric discharge 1h15min with the current versus cell of 8.0A; Step 13: the 7th charging: first carry out charging 6h with the current versus cell of 5.0A, then carry out charging 4h with the current versus cell of 3A; Step 14: the 7th electric discharge: carry out electric discharge 1h50min with the current versus cell of 10.0A; Step 15: the 8th charging: first carry out charging 6h with the current versus cell of 5.0A, then carry out charging 5.5h with the current versus cell of 2.0A, then carry out charging 3h with the current versus cell of 1A, finally with the current versus cell of 0.2A electric discharge 2.5h; Step 10 six: after waiting for 3h, carry out taking out acid with the current versus cell of 0.4A, taking out the acid time is 5h.The charging current of the method is large, and the charging interval is long, easily produces infringement to lead acid accumulator.
The charging interval of existing lead acid accumulator internalized charging method, the charging interval was oversize, is internalized into efficiency low mostly at 92-120 hour; Battery initial capacity and service life cycle are not high, seriously constrain the production capacity of enterprise.
Summary of the invention
The invention provides and a kind ofly shorten battery charge time, improve the lead acid accumulator rapid internalization being internalized into charge efficiency and become charging method, the problems such as the initial capacity that effectively can solve lead acid accumulator is little, service life cycle is low.
A kind of lead acid accumulator rapid internalization becomes charging method, carries out the following step successively:
Step (a): precharge: with 0.06C
3~ 0.15C
3charge 0.2 ~ 0.5 hour; Again with 0.12C
3~ 0.15C
3discharge 0.05 ~ 0.1 hour;
Step (b): gradient up-flow charges: 0.09C
3~ 0.15C
3lower charging 0.2 ~ 0.5 hour; 0.1C
3~ 0.2C
3lower charging 2 ~ 3 hours; 0.15C
3~ 0.2C
3lower charging 3 ~ 4 hours; Again with 0.12C
3~ 0.15C
3discharge 0.05 ~ 0.1 hour;
Step (c): cycle charge discharge: once charging is a charge and discharge circulation with once discharging, and in each charge and discharge circulation, charge volume is greater than discharge capacity; Step (d) is proceeded to after five charge and discharges circulation;
Step (d): with 0.15C
3~ 0.2C
3charge 4 ~ 5 hours; With 0.15C
3~ 0.2C
3charge 2 ~ 3 hours; With 0.1C
3~ 0.15C
3discharge 0.1 ~ 0.5 hour;
Step (e): current charge falls in gradient: with 0.15C
3~ 0.2C
3charge 2 ~ 3 hours; With 0.1C
3~ 0.15C
3charge 2 ~ 3 hours; With 0.05C
3~ 0.1C
3charge 1 ~ 2 hour;
Step (f): standing, capacity inspection electric discharge: leave standstill 0.5 ~ 1.0 hour; With 0.3C
3~ 0.35C
3capacity inspection electric discharge 3 ~ 3.5 hours;
Step (g): constant current charge: with 0.15C
3~ 0.2C
3charge 4 ~ 5 hours; With 0.1C
3~ 0.15C
3charge 3 ~ 4 hours; With 0.05C
3~ 0.1C
3charge 2 ~ 3 hours; Complete electric formation charging.
Lead acid accumulator rapid internalization provided by the invention becomes charging method to divide 27 discharge and recharge stages, and period comprises 8 electric discharges and leaves standstill for 1 time and 1 capacity inspection combo, and the electricity be at every turn filled with is greater than the electricity of releasing subsequently, wherein maximum charging current 0.15C
3-0.20C
3, minimum charge current 0.01C
3~ 0.05C
3.The initiation of charge electric current of the inventive method is larger, charge and discharge cycle frequency in charging process and Intensity Design reasonable, effectively can reduce concentration polarization phenomenon, reduce the infringement of the crystal structure of the active material on pole plate, the service life cycle of lead acid accumulator can be extended.Detect according to GB/T18332.1-2009 national Specification, the cycle life of the lead acid accumulator of the inventive method is greater than 450 times, and lead acid accumulator first time discharge capacity is not less than 100% (in rated capacity).
In the technical program, C
3refer to 3 hour rate rated capacities, corresponding current is as 0.06-0.15C
3refer to 0.06-0.15 3 hour rate rated capacity corresponding current doubly.
Storage battery is when electric current flows through, and both positive and negative polarity all carries out chemical reaction, and the consumption of reactant makes the concentration in positive/negative plate surface and neighbouring ion concentration and original solution, and some is different, and the phenomenon of the potential difference caused thus becomes concentration polarization.Concentration polarization greatly hinders the charging of storage battery.
In formation process, forming current is an important technological parameter.The size of forming current has larger impact for formation efficiency, the quality that changes into that changes into cost and pole plate.If when forming current is bigger than normal, then polarization of electrode can be caused to increase, and voltage rise is too high, gas evolution is too fast, plate active material may be caused on the one hand to become loose or come off, can reduce current efficiency on the other hand, power consumption is increased, and meanwhile, the temperature rise of electrolyte also can accelerate.When forming current is less than normal, current density reduces, and formation charging electricity is not enough, pole plate can be caused to change into insufficient.
In the technical program, in step (a), at 0.06C
3~ 0.15C
3initial current under, be conducive to polar board surface and form the interfacial structure of even compact and positive active material, thus make battery in discharge process, the softening rate of pole plate significantly slows down.
In step (b), battery is through the charging of gradient up-flow, and what add battery can ability to accept, can reduce the injury of larger current to pole plate largely simultaneously.After the charging of gradient up-flow, then carry out the cycle charge discharge of step (c), the polarization of battery in electric formation process is even eliminated in abundant reduction.
As preferably, in step (c), battery carries out cycle charge discharge in the following manner:
First cycle charge discharge: with 0.15C
3~ 0.2C
3charge 4 ~ 5 hours: again with 0.12C
3~ 0.15C
3discharge 0.05 ~ 0.1 hour;
Second cycle charge discharge: with 0.15C
3~ 0.2C
3charge 4 ~ 5 hours; Again with 0.2C
3~ 0.25C
3discharge 0.5 ~ 1 hour;
3rd cycle charge discharge: with 0.15C
3~ 0.2C
3charge 4 ~ 5 hours; Again with 0.2C
3~ 0.25C
3discharge 0.5 ~ 1 hour;
4th cycle charge discharge: with 0.15C
3~ 0.2C
3charge 4 ~ 5 hours: again with 0.3C
3~ 0.35C
3discharge 0.5 ~ 1 hour;
5th cycle charge discharge: with 0.15C
3~ 0.2C
3charge 4 ~ 5 hours; Again with 0.3C
3~ 0.35C
3discharge 1.5 ~ 2 hours; Step (d) is proceeded to after charging complete.
In step (c), charge and discharge process cycle alternation carries out, with 0.15C
3~ 0.2C
3larger current charging 4 ~ 5 hours, in time being charged to certain voltage (voltage close to storage battery gassing point), then starting electric discharge, and gradually increase progressively circulation depth of discharge with the increase of filling people's electricity.In the technical program, charging and discharging currents is reasonable in design, and discharge electricity amount is less than charge capacity, can fully control even to eliminate the polarization produced in battery charging process, and can shorten the electrification one-tenth charging interval, can reduce the gassing in electrification one-tenth charging process largely.
After cycle charge discharge terminates, the polarization ratio of battery is less, through two of step (d) fill one put after carry out step (e) again gradient current charge falls.
Along with the carrying out of charging, excessive electric current does not only have the effect accelerating charge rate, can cause the electrolysis of water on the contrary, affect the life-span of battery.The damage that current charge preferentially can reduce charging later stage current versus cell falls in the gradient of step (e).
Fall after current charge through gradient, again at 0.3C after leaving standstill
3~ 0.35C
3capacity judgement (detection) 3 ~ 3.5 hours is carried out under electric current.
Check laggard constant current charge excessively, improved the degree of depth be internalized into, abundant activated batteries potential, extend battery.
As preferably, described lead acid accumulator is electric road vehicle lead acid accumulator.
As preferably, in lead acid accumulator, the concentration of sulfuric acid electrolyte is 1.15-1.25g/mL.
The change of lead acid accumulator sulfuric acid electrolyte concentration is large, and the self-discharge phenomenon of battery can obviously strengthen, and the corruption candle degree of grid also can be accelerated, and this just accelerates to cause coming off of active material brown lead oxide on pole plate.Along with the increase of sulfuric acid electrolyte concentration in lead acid accumulator, battery finally can be caused to use the minimizing of cycle-index.Lead acid accumulator sulfuric acid electrolyte concentration is large, and lead sulfate is not changing into the increase of the output in pole plate, and the bad lead sulfate that conducts electricity increases, and relative turn on angle can be caused to reduce, thus reduces formation efficiency.
As preferably, lead acid accumulator, after vacuum acid filling, is built in recirculated water bath at 10-15min, when battery temperature is down to below 40 DEG C, opens charger and carries out step (a)-step (g).
As preferably, in recirculated water bath, cooling bath temperature automatic control is at 25-30 DEG C.
As preferably, be internalized in charging process, internal temperature of battery is lower than 55 DEG C.
High temperature easily makes the degraded additives of negative plate, and positive plate loosens, and active agent particle size becomes large, and response area reduces, and affects battery capacity, life-span.Such as, when temperature is less than below 55 DEG C, when temperature is between 30-40 DEG C, temperature increases 1-2 DEG C, and the service time of lead acid accumulator will extend 8 to 10 life cycles; When temperature is between 40-50 DEG C, temperature increases 1-2 DEG C, and the service time of lead acid accumulator extends 30 life cycles; When large 55 DEG C of temperature, the useful life of storage battery can be affected.By being internalized into the cycle heat exchange of water in water bath, reduce and be internalized in charging process, the temperature of lead acid accumulator inside, avoids the overheated decline causing lead acid accumulator useful life in charging process.
As preferably, be internalized in charging process, charging current undulated control is at ± 0.3%A, and discharging current undulated control is at ± 0.3%A.
As preferably, be internalized into 7 ~ 9 times that charge volume is lead acid accumulator rated capacity.
As preferably, the total time being internalized into charging is 60 ~ 72 hours.
Above-mentioned charging current and the charging interval reasonable in design, both decreased the electricity for brine electrolysis in charging process, and again reduced lead acid accumulator monolithic pole plate to the consumption of electricity, reduce energy consumption.
A kind of lead acid accumulator rapid internalization becomes charging method, carries out the following step successively:
(1) with 0.06C
3~ 0.15C
3charge 0.2 ~ 0.5 hour;
(2) with 0.12C
3~ 0.15C
3discharge 0.05 ~ 0.1 hour;
(3) with 0.09C
3~ 0.15C
3charge 0.2 ~ 0.5 hour;
(4) with 0.1C
3~ 0.2C
3charge 2 ~ 3 hours;
(5) with 0.15C
3~ 0.2C
3charge 3 ~ 4 hours;
(6) with 0.12C
3~ 0.15C
3discharge 0.05 ~ 0.1 hour;
(7) with 0.15C
3~ 0.2C
3charge 4 ~ 5 hours:
(8) with 0.12C
3~ 0.15C
3discharge 0.05 ~ 0.1 hour;
(9) with 0.15C
3~ 0.2C
3charge 4 ~ 5 hours;
(10) with 0.2C
3~ 0.25C
3discharge 0.5 ~ 1 hour;
(11) with 0.15C
3~ 0.2C
3charge 4 ~ 5 hours;
(12) with 0.2C
3~ 0.25C
3discharge 0.5 ~ 1 hour;
(13) with 0.15C
3~ 0.2C
3charge 4 ~ 5 hours:
(14) with 0.3C
3~ 0.35C
3discharge 0.5 ~ 1 hour;
(15) with 0.15C
3~ 0.2C
3charge 4 ~ 5 hours;
(16) with 0.3C
3~ 0.35C
3discharge 1.5 ~ 2 hours;
(17) with 0.15C
3~ 0.2C
3charge 4 ~ 5 hours;
(18) with 0.15C
3~ 0.2C
3charge 2 ~ 3 hours;
(19) with 0.1C
3~ 0.15C
3discharge 0.1 ~ 0.5 hour;
(20) with 0.15C
3~ 0.2C
3charge 2 ~ 3 hours;
(21) with 0.1C
3~ 0.15C
3charge 2 ~ 3 hours;
(22) with 0.05C
3~ 0.1C
3charge 1 ~ 2 hour;
(23) 0.5 ~ 1.0 hour is left standstill;
(24) with 0.3C
3~ 0.35C
3capacity inspection electric discharge 3 ~ 3.5 hours;
(25) with 0.15C
3~ 0.2C
3charge 4 ~ 5 hours;
(26) with 0.1C
3~ 0.15C
3charge 3 ~ 4 hours;
(27) with 0.05C
3~ 0.1C
3charge 2 ~ 3 hours.
This method, from product requirement in useful life, takes into account the initial capacity requirement of battery, control temperature in charging process, avoids that lead acid accumulator temperature is too high causes micro-short circuit; Lead acid accumulator initial capacity is not less than 100% rated capacity, is internalized into the time short, and charging current is little, and energy consumption is little; The crystal structure of the active material in charging process on pole plate not easily suffers damage, and service life cycle becomes battery and Standard higher than channelization.
Embodiment
Embodiment 1
For 12V100Ah storage battery, lead acid accumulator complete for vacuum acid filling is built in recirculated water bath at 10-15min, connect charging circuit simultaneously and prepare charging, when battery temperature is down to 30-40 DEG C, opens charger and charge in the following manner successively:
Step (a): precharge: with 0.06C
3(6A; 0.06 × 100) charge 0.2 hour; Again with 0.12C
3discharge 0.05 hour;
Step (b): gradient up-flow charges: 0.09C
3lower charging 0.2 hour; 0.1C
3lower charging 2 hours; 0.15C
3lower charging 3 hours; Again with 0.12C
3discharge 0.05 hour;
Step (c): cycle charge discharge: the first cycle charge discharge: with 0.15C
3charge 4 hours: again with 0.12C
3discharge 0.05 hour;
Second cycle charge discharge: with 0.15C
3charge 4 hours; Again with 0.2C
3discharge 0.5 hour;
3rd cycle charge discharge: with 0.15C
3charge 4 hours; Again with 0.2C
3discharge 0.5 hour;
4th cycle charge discharge: with 0.15C
3charge 4 hours: again with 0.3C
3discharge 0.5 hour;
5th cycle charge discharge: with 0.15C
3charge 4 hours; Again with 0.3C
3discharge 1.5 hours; Step (d) is proceeded to after charging complete;
Step (d): with 0.15C
3charge 4 hours; With 0.15C
3charge 2 hours; With 0.1C
3discharge 0.1 hour;
Step (e): current charge falls in gradient: with 0.15C
3charge 2 hours; With 0.1C
3charge 2 hours; With 0.05C
3charge 1 hour;
Step (f): standing, capacity inspection: leave standstill 0.5 hour; With 0.3C
3capacity inspection is discharged 3 hours;
Step (g): constant current charge: with 0.15C
3charge 4 hours; With 0.1C
3charge 3 hours; With 0.05C
3charge 2 hours; Complete electric formation charging.
Be internalized in charge and discharge process at lead acid accumulator, charging current undulated control is at ± 0.3%A, and discharging current undulated control is at ± 0.3%A; Lowered the temperature to lead acid accumulator by water-bath in charge and discharge process, the temperature of water-bath is 20-35 DEG C, and controlling lead acid accumulator internal temperature by water-bath is 40-50 DEG C.
Embodiment 2
Compare with embodiment 1, by how charge and discharge system is implemented:
Step (a): precharge: with 0.15C
3charge 0.5 hour; Again with 0.15C
3discharge 0.1 hour;
Step (b): gradient up-flow charges: 0.1C
3lower charging 0.2 hour; 0.15C
3lower charging 2 hours; 0.18C
3lower charging 3 hours; Again with 0.12C
3discharge 0.05 hour;
Step (c): cycle charge discharge: the first cycle charge discharge: with 0.2C
3charge 5 hours: again with 0.15C
3discharge 0.1 hour;
Second cycle charge discharge: with 0.2C
3charge 5 hours; Again with 0.20C
3discharge 1 hour;
3rd cycle charge discharge: with 0.2C
3charge 5 hours; Again with 0.25C
3discharge 1 hour;
4th cycle charge discharge: with 0.2C
3charge 5 hours: again with 0.3C
3discharge 1 hour;
5th cycle charge discharge: with 0.2C
3charge 5 hours; Again with 0.32C
3discharge 1.5 hours; Step (d) is proceeded to after charging complete.
Step (d): with 0.2C
3charge 5 hours; With 0.2C
3charge 3 hours; With 0.15C
3discharge 0.1 hour;
Step (e): current charge falls in gradient: with 0.2C
3charge 3 hours; With 0.15C
3charge 3 hours; With 0.1C
3charge 1 hour;
Step (f): standing, capacity inspection: leave standstill 1.0 hours; With 0.35C
3capacity inspection is discharged 3 hours;
Step (g): constant current charge: with 0.2C
3charge 4 ~ 5 hours; With 0.15C
3charge 4 hours; With 0.1C
3charge 3 hours; Complete electric formation charging.
Embodiment 3
Compare with embodiment 1, implement by following charge and discharge system:
Step (a): precharge: with 0.15C
3charge 0.5 hour; Again with 0.12C
3discharge 0.05 hour;
Step (b): gradient up-flow charges: 0.09C
3lower charging 0.5 hour; 0.15C
3lower charging 2 hours; 0.2C
3lower charging 3 hours; Again with 0.15C
3discharge 0.05 hour;
Step (c): cycle charge discharge:
First cycle charge discharge: with 0.15C
3charge 4 hours: again with 0.15C
3discharge 0.05 hour;
Second cycle charge discharge: with 0.2C
3charge 4 hours; Again with 0.2C
3discharge 0.5 hour;
3rd cycle charge discharge: with 0.2C
3charge 4 hours; Again with 0.25C
3discharge 1 hour;
4th cycle charge discharge: with 0.2C
3charge 5 hours: again with 0.3C
3discharge 0.5 hour;
5th cycle charge discharge: with 0.2C
3charge 4 hours; Again with 0.35C
3discharge 1.5 hours; Step (d) is proceeded to after charging complete.
Step (d): with 0.15C
3charge 4 hours; With 0.15C
3charge 2 hours; With 0.1C
3discharge 0.1 hour;
Step (e): current charge falls in gradient: with 0.2C
3charge 2 hours; With 0.1C
3charge 2 hours; With 0.05C
3charge 1 hour;
Step (f): standing, capacity inspection: leave standstill 0.5 hour; With 0.3C
3capacity inspection is discharged 3 hours;
Step (g): constant current charge: with 0.15C
3charge 4 hours; With 0.1C
3charge 3 hours; With 0.05C
3charge 2 hours; Complete electric formation charging.
Embodiment 4
Compare with embodiment 1, implement by following charge and discharge system:
Step (a): precharge: with 0.15C
3charge 0.5 hour; Again with 0.15C
3discharge 0.1 hour;
Step (b): gradient up-flow charges: 0.14C
3lower charging 0.4 hour; 0.15C
3lower charging 3 hours; 0.2C
3lower charging 4 hours; Again with 0.13C
3discharge 0.1 hour;
Step (c): cycle charge discharge:
First cycle charge discharge: with 0.15C
3charge 4 hours: again with 0.15C
3discharge 0.05 hour;
Second cycle charge discharge: with 0.2C
3charge 5 hours; Again with 0.2C
3discharge 0.5 hour;
3rd cycle charge discharge: with 0.15C
3charge 4 hours; Again with 0.21C
3discharge 1 hour;
4th cycle charge discharge: with 0.2C
3charge 5 hours: again with 0.25C
3discharge 0.5 hour;
5th cycle charge discharge: with 0.2C
3charge 4 hours; Again with 0.35C
3discharge 1.5 hours; Step (d) is proceeded to after charging complete.
Step (d): with 0.15C
3charge 4 hours; With 0.15C
3charge 2 hours; With 0.1C
3discharge 0.1 hour;
Step (e): current charge falls in gradient: with 0.2C
3charge 3 hours; With 0.1C
3charge 2 hours; With 0.05C
3charge 2 hours;
Step (f): standing, capacity inspection: leave standstill 0.5 hour; With 0.3C
3capacity inspection is discharged 3 hours;
Step (g): constant current charge: with 0.15C
3charge 4 hours; With 0.1C
3charge 3 hours; With 0.05C
3charge 2 hours; Complete electric formation charging.
The performance index being internalized into charging lead acid accumulator of embodiment 1-4 are as table 1:
Table 1
Known by table 1, be internalized into by the inventive method the lead acid accumulator of discharge and recharge cycle life and
Initial capacity is better than the requirement of GB/T18332.1-2009 national standard comprehensively.
Claims (9)
1. lead acid accumulator rapid internalization becomes a charging method, it is characterized in that, carries out the following step successively:
Step (a): precharge: with 0.06C
3~ 0.15C
3charge 0.2 ~ 0.5 hour; Again with 0.12C
3~ 0.15C
3discharge 0.05 ~ 0.1 hour;
Step (b): gradient up-flow charges: 0.09C
3~ 0.15C
3lower charging 0.2 ~ 0.5 hour; 0.1C
3~ 0.2C
3lower charging 2 ~ 3 hours; 0.15C
3~ 0.2C
3lower charging 3 ~ 4 hours; Again with 0.12C
3~ 0.15C
3discharge 0.05 ~ 0.1 hour;
Step (c): cycle charge discharge: once charging is a charge and discharge circulation with once discharging, and in each charge and discharge circulation, charge volume is greater than discharge capacity; Step (d) is proceeded to after five charge and discharges circulation;
Step (d): with 0.15C
3~ 0.2C
3charge 4 ~ 5 hours; With 0.15C
3~ 0.2C
3charge 2 ~ 3 hours; With 0.1C
3~ 0.15C
3discharge 0.1 ~ 0.5 hour;
Step (e): current charge falls in gradient: with 0.15C
3~ 0.2C
3charge 2 ~ 3 hours; With 0.1C
3~ 0.15C
3charge 2 ~ 3 hours; With 0.05C
3~ 0.1C
3charge 1 ~ 2 hour;
Step (f): standing, capacity inspection electric discharge: leave standstill 0.5 ~ 1.0 hour; With 0.3C
3~ 0.35C
3capacity inspection electric discharge 3 ~ 3.5 hours;
Step (g): constant current charge: with 0.15C
3~ 0.2C
3charge 4 ~ 5 hours; With 0.1C
3~ 0.15C
3charge 3 ~ 4 hours; With 0.05C
3~ 0.1C
3charge 2 ~ 3 hours; Complete electric formation charging.
2. lead acid accumulator rapid internalization becomes charging method as claimed in claim 1, it is characterized in that,
In step (c), battery carries out cycle charge discharge in the following manner:
First cycle charge discharge: with 0.15C
3~ 0.2C
3charge 4 ~ 5 hours: again with 0.12C
3~ 0.15C
3discharge 0.05 ~ 0.1 hour;
Second cycle charge discharge: with 0.15C
3~ 0.2C
3charge 4 ~ 5 hours; Again with 0.2C
3~ 0.25C
3discharge 0.5 ~ 1 hour;
3rd cycle charge discharge: with 0.15C
3~ 0.2C
3charge 4 ~ 5 hours; Again with 0.2C
3~ 0.25C
3discharge 0.5 ~ 1 hour;
4th cycle charge discharge: with 0.15C
3~ 0.2C
3charge 4 ~ 5 hours: again with 0.3C
3~ 0.35C
3discharge 0.5 ~ 1 hour;
5th cycle charge discharge: with 0.15C
3~ 0.2C
3charge 4 ~ 5 hours; Again with 0.3C
3~ 0.35C
3discharge 1.5 ~ 2 hours; Step (d) is proceeded to after charging complete.
3. lead acid accumulator rapid internalization as claimed in claim 1 becomes charging method, it is characterized in that, lead acid accumulator is after vacuum acid filling, be built in recirculated water bath at 10-15min, when battery temperature is down to below 40 DEG C, opens charger and carry out step (a)-step (g).
4. lead acid accumulator rapid internalization as claimed in claim 3 becomes charging method, and it is characterized in that, in recirculated water bath, cooling bath temperature automatic control is at 25-30 DEG C.
5. lead acid accumulator rapid internalization as claimed in claim 1 becomes charging method, and it is characterized in that, be internalized in charging process, internal temperature of battery is lower than 55 DEG C.
6. lead acid accumulator rapid internalization as claimed in claim 1 becomes charging method, it is characterized in that, is being internalized in charging process, and charging current undulated control is at ± 0.3%A, and discharging current undulated control is at ± 0.3%A.
7. lead acid accumulator rapid internalization as claimed in claim 1 becomes charging method, it is characterized in that, is internalized into 7 ~ 9 times that charge volume is lead acid accumulator rated capacity.
8. lead acid accumulator rapid internalization as claimed in claim 1 becomes charging method, and it is characterized in that, the total time being internalized into charging is 60 ~ 72 hours.
9. the lead acid accumulator rapid internalization as described in claim as arbitrary in claim 1-8 becomes charging method, it is characterized in that, described lead acid accumulator is electric road vehicle lead acid accumulator.
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