CN109116246A - Lead-acid accumulator abuses over-discharge property evaluation and capacity restoration method - Google Patents
Lead-acid accumulator abuses over-discharge property evaluation and capacity restoration method Download PDFInfo
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- CN109116246A CN109116246A CN201810795279.5A CN201810795279A CN109116246A CN 109116246 A CN109116246 A CN 109116246A CN 201810795279 A CN201810795279 A CN 201810795279A CN 109116246 A CN109116246 A CN 109116246A
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- Prior art keywords
- discharge
- capacity
- lead
- acid accumulator
- abuse
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
-
- 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
-
- 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
Abstract
The invention discloses a kind of abuse over-discharge property evaluations of lead-acid accumulator, the evaluation mainly passes through abuse over-discharge property test, obtain abuse over-discharge capacitance rate Caod, again by being circulated throughout discharge test, it obtains over-discharge capacitance fall-off rate Caoc, related design scheme superiority and inferiority and overdischarge ability is commented in advance with this.The invention also discloses lead-acid accumulators to abuse the capacity restoration method after overdischarge, and this method activates built-in active material by deep discharge, to promote behindhand battery capacity restoration.Generally speaking, the present invention uses quantitative evaluation method, and not only easy is that accurately, and timeliness is good, is conducive to design, can substantially reduce R&D cycle and cost again.User can optimize and revise the operational efficiency of mating battery pack using the present invention in time.
Description
Technical field
The invention belongs to Lead-acid Battery Technology fields, in particular it relates to which a kind of lead-acid accumulator was abused
Discharge performance evaluation further relates to make capacity restoration method to the behindhand battery that abuse overdischarge generates.
Background technique
There is " bucket effect " in lead-acid batteries use process, i.e., the performance that behindhand battery drags down other batteries refers to
Mark.Since the industry is vacant few to behindhand battery evaluation means in advance, especially to lead-acid accumulator abuse overdischarge evaluation,
There is no a kind of pair of behindhand battery to make the method for capacity restoration.So estimated performance index is not achieved in the battery pack applied in engineering
The case where happen occasionally, such technical problem solves bad easy initiation supply and demand side contradiction.In reality, made by different designs scheme
Cycle life of lead-acid accumulator, overdischarge ability and homogeneity of product have a certain amount of otherness, and these othernesses
Qualitative assessment can not be made in the R & D design stage, detection in kind can only be made of manufactured sample can just obtain relatively reliable number
According to.Although present technology is easy with detection realization in kind, method is easy, data are accurate, proving period is too long, and timeliness is poor,
It is unfavorable for Instructing manufacture.In addition, lead-acid accumulator also brings along micro performance difference in the fabrication process because of fabrication error, only
Wanting performance indicator not overproof is qualified product.But user has overdischarge in use, owes charging situation, such situation
It is easy to cause behindhand battery.In view of above-mentioned two situations, study it is a kind of for lead-acid accumulator abuse over-discharge property evaluation and
Capacity restoration method is necessary, is conducive to manufacturer and carries out Development Scheme in time to score folding, quantitative analysis, due to analysis side
Method is reasonable, accurately and reliably, reduces blindness, can shorten the R&D cycle, reduces research and development cost.On the other hand it is timely to be also convenient for user
Make capacity resuming, creates a good basic condition to improve the operational efficiency of battery.
Summary of the invention
The problem of lacking present invention is generally directed to the industry to lead-acid accumulator correlated performance detection method, proposes a kind of side
Method is easy, implements lead acid storage battery abuse over-discharge property evaluation that is easy, can making quantitative analysis.The invention also includes to abusing
The behindhand battery that electric discharge generates makees capacity restoration method.
The present invention is achieved through the following technical solutions technical goal.
Lead-acid accumulator abuse over-discharge property evaluation, the improvement is that the evaluation under 25 DEG C of ± 2 DEG C of environment into
Row, the specific steps are as follows:
1.1, the lead-acid accumulator of 6 same sizes in the conventional arrangement, is selected to be connected into one group, first progress I10A electric discharge, so
2.35V current limliting 2I is used afterwards10A charges 16 hours；
1.2, therefrom optional 1 lead-acid accumulator individually uses I10A current discharge 4 hours, then with other 5 full charge of lead
Acid accumulator is serially connected in battery group；
1.3, battery group is with I10A current discharge, until 5 lead-acid accumulator voltages of original full charge are down to total voltage 5*
When 1.80V, stop electric discharge, stands 2 hours；
1.4, to battery group with constant pressure 2.35V/ only, current limliting 2I10A, trickle charge 144 hours；
1.5, when battery group is with I10When A is discharged to total voltage 6*1.80V, capacity check is carried out, and is converted into 25 DEG C of benchmark
Capability value under state；
1.6, the reality for calculating battery group puts capacity and rated capacity C10Ratio, obtain abuse over-discharge capacitance rate Caod；
1.7, to battery group with I10A enters electric discharge, final voltage 6*1.4V；
1.8, in constant pressure 6*2.35V, current limliting 2I10Under the conditions of A, to the connection of battery group charging 36 hours；
1.9, totally 5 steps of repetition 1.7 and 1.8；
1.10, battery group is with I10When A is discharged to final voltage 6*1.80V, capacity check is carried out；
1.11, calculating accumulator group puts capacity and rated capacity ratio in fact, obtains and is circulated throughout discharge capacity attenuation rate Caoc.
Lead-acid accumulator abuse overdischarge after capacity restoration method, the improvement is that this method follow these steps into
Row:
2.1 will abuse the behindhand battery of overdischarge, with I10A carries out deep discharge, and final voltage is 1.25 V；
2.2, in constant pressure 2.35V, current limliting 2I10Under the conditions of A, trickle charge 36 hours；
2.3, totally 3 steps of repetition 2.1 and 2.2；
2.4, with I10A is discharged to final voltage 1.80V, carries out capacity check, calculates the real ratio for putting capacity and rated capacity,
Obtain the capacity restoration rate Caor after repairing.
Compared with prior art, the present invention having the positive effect that:
1, method is reasonable, step is easy, operability is good；
2, abuse over-discharge capacitance rate is accurately obtained by test and is circulated throughout discharge capacity attenuation rate, such quantitative pre assessment side
Method accuracy is high, is conducive to timely design, to achieve the purpose that reduce R&D cycle and cost；
3, method and the behindhand battery capacity restoration side of a kind of Fast Evaluation lead-acid accumulator over-discharge property are provided for user
Method can optimize and revise the operational efficiency of Accessory Battery group in time.
Specific embodiment
The evaluation of abuse over-discharge property was abused below by the lead-acid accumulator of different designs scheme, to further illustrate
The present invention.
A design scheme and B design scheme is selected to prepare sample respectively before evaluation, sample specification is in the present embodiment
2V, 200AH lead-acid accumulator, quantity are each 9, have 6 to be served only for lead-acid accumulator abuse overdischarge of the present invention in every scheme
Performance evaluation and capacity restoration method, every scheme remaining 3 are served only for the test of 100%DOD cycle life.
Lead-acid accumulator abuses over-discharge property evaluation, takes A design scheme and B design scheme prepares sample respectively, comment
Valence environment is 25 DEG C ± 2 DEG C, the specific steps are as follows:
1.1, the lead-acid accumulator of 6 same sizes in the conventional arrangement, is selected to be connected into one group, first progress I10A electric discharge, so
2.35V current limliting 2I is used afterwards10A charges 16 hours；
1.2, therefrom optional 1 lead-acid accumulator individually uses I10A current discharge 4 hours, then with other 5 full charge of lead
Acid accumulator is serially connected in battery group；
1.3, battery group is with I10A current discharge, until 5 lead-acid accumulator voltages of original full charge are down to total voltage 5*
When 1.80V, stop electric discharge, stands 2 hours；
1.4, to battery group with constant pressure 2.35V/ only, current limliting 2I10A, trickle charge 144 hours；
1.5, when battery group is with I10When A is discharged to total voltage 6*1.80V, capacity check is carried out, and is converted into 25 DEG C of benchmark
Capability value under state；
1.6, the reality for calculating battery group puts capacity and rated capacity C10Ratio, obtain abuse over-discharge capacitance rate Caod；
1.7, to battery group with I10A enters electric discharge, final voltage 6*1.4V；
1.8, in constant pressure 6*2.35V, current limliting 2I10Under the conditions of A, to the connection of battery group charging 36 hours；
1.9, totally 5 steps of repetition 1.7 and 1.8；
1.10, battery group is with I10When A is discharged to final voltage 6*1.80V, capacity check is carried out；
1.11, calculating accumulator group puts capacity and rated capacity ratio in fact, obtains and is circulated throughout discharge capacity attenuation rate Caoc.
Lead-acid accumulator abuses the capacity restoration method after overdischarge, it is necessary to carry out after above-mentioned evaluation, specific steps
It is as follows:
2.1 will abuse the behindhand battery of overdischarge, with I10A carries out deep discharge, and final voltage is 1.25 V；
2.2, in 2.35 V of constant pressure, current limliting 2I10Under the conditions of A, trickle charge 36 hours；
2.3, totally 3 steps of repetition 2.1 and 2.2；
2.4, with I10A is discharged to 1.80 V of final voltage, carries out capacity check, calculates the real ratio for putting capacity and rated capacity,
Obtain the capacity restoration rate Caor after repairing.
The sample of A design scheme and the sample of B design scheme obtain abuse over-discharge capacitance after above-mentioned steps respectively
Rate Caod, it is circulated throughout capacity restoration rate after discharge capacity attenuation rate Caoc and reparation, specific data see the table below:
A, the evaluation of B design scheme sample abuse over-discharge property, the capacity restoration data table of comparisons
In order to further verify the similitude of test result and reality of the present invention, the sample and B design of A design scheme are taken
Each 3 reserved samples of scheme make the test of 100%DOD cycle life, specific test condition and steps are as follows respectively:
Firstly, lead-acid accumulator sample is discharged with 20A, until final voltage is 1.80V；
Then, trickle charge 16 hours under the conditions of constant pressure 7.05V, current limliting 40A；
Upper two steps are repeated, until capacity is less than 80% rated capacity.
Test result:
The sample depth of discharge 100%DOD cycle life of A design scheme is 507 times, B design scheme sample depth of discharge 100%
DOD cycle life is 302 times, is compared A design scheme sample significantly better than B design scheme sample.
The present invention uses quantitative evaluation method, not only easy but also accurate, and timeliness is good, is conducive to further instruct to set
Meter, to achieve the purpose that reduce R&D cycle and cost.User is with the application of the invention, the backwardness of overdischarge generation can will be abused
Battery carries out capacity restoration, is conducive to the operational efficiency for optimizing and revising mating battery pack in time.
Claims (2)
1. a kind of lead-acid accumulator abuse over-discharge property evaluation, it is characterised in that the evaluation carries out under 25 DEG C of ± 2 DEG C of environment,
Specific step is as follows:
1.1, the lead-acid accumulator of 6 same sizes in the conventional arrangement, is selected to be connected into one group, first progress I10A electric discharge, then
Using 2.35V current limliting 2I10A charges 16 hours；
1.2, therefrom optional 1 lead-acid accumulator individually uses I10A current discharge 4 hours, then with other 5 full charge of plumbic acids
Battery is serially connected in battery group；
1.3, battery group is with I10A current discharge, until 5 lead-acid accumulator voltages of original full charge are down to total voltage 5*
When 1.80V, stop electric discharge, stands 2 hours；
1.4, to battery group with constant pressure 2.35V/ only, current limliting 2I10A, trickle charge 144 hours；
1.5, when battery group is with I10When A is discharged to total voltage 6*1.80V, capacity check is carried out, and is converted into 25 DEG C of benchmark
Capability value under state；
1.6, the reality for calculating battery group puts capacity and rated capacity C10Ratio, obtain abuse over-discharge capacitance rate Caod；
1.7, to battery group with I10A enters electric discharge, final voltage 6*1.4V；
1.8, in constant pressure 6*2.35V, current limliting 2I10Under the conditions of A, to the connection of battery group charging 36 hours；
1.9, totally 5 steps of repetition 1.7 and 1.8；
1.10, battery group is with I10When A is discharged to final voltage 6*1.80V, capacity check is carried out；
1.11, calculating accumulator group puts capacity and rated capacity ratio in fact, obtains and is circulated throughout discharge capacity attenuation rate Caoc.
2. the capacity restoration method after mating lead-acid accumulator abuse overdischarge described in claim 1, it is characterised in that the party
Method follows these steps to carry out:
2.1 will abuse the behindhand battery of overdischarge, with I10A carries out deep discharge, and final voltage is 1.25 V；
2.2, in 2.35 V of constant pressure, current limliting 2I10Under the conditions of A, trickle charge 36 hours；
2.3, totally 3 steps of repetition 2.1 and 2.2；
2.4, with I10A is discharged to 1.80 V of final voltage, carries out capacity check, calculates the real ratio for putting capacity and rated capacity,
Obtain the capacity restoration rate Caor after repairing.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810795279.5A CN109116246B (en) | 2018-07-19 | 2018-07-19 | Lead-acid storage battery abuse overdischarge performance evaluation method and capacity recovery method |
| PCT/CN2018/112341 WO2020015226A1 (en) | 2018-07-19 | 2018-10-29 | Abuse and over-discharge performance evaluation and capacity recovery method for lead-acid battery |
| AU2018432963A AU2018432963A1 (en) | 2018-07-19 | 2018-10-29 | Abuse and over-discharge performance evaluation and capacity recovery method for lead-acid battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810795279.5A CN109116246B (en) | 2018-07-19 | 2018-07-19 | Lead-acid storage battery abuse overdischarge performance evaluation method and capacity recovery method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109116246A true CN109116246A (en) | 2019-01-01 |
| CN109116246B CN109116246B (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810795279.5A Active CN109116246B (en) | 2018-07-19 | 2018-07-19 | Lead-acid storage battery abuse overdischarge performance evaluation method and capacity recovery method |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN109116246B (en) |
| AU (1) | AU2018432963A1 (en) |
| WO (1) | WO2020015226A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111999671A (en) * | 2020-08-04 | 2020-11-27 | 中汽研汽车检验中心（天津）有限公司 | Lithium ion battery overdischarge excess capacity value calculation method |
| CN113113684A (en) * | 2021-03-30 | 2021-07-13 | 天能电池集团股份有限公司 | Lead storage battery treatment method for improving wet pressure and discharge performance of unit cell |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112098862B (en) * | 2020-08-04 | 2023-03-28 | 中汽研汽车检验中心（天津）有限公司 | Method for testing and evaluating overdischarge tolerance of lithium ion battery monomer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011127973A (en) * | 2009-12-16 | 2011-06-30 | Kawasaki Heavy Ind Ltd | State of charge estimation method and device for secondary battery |
| CN105790376A (en) * | 2016-04-28 | 2016-07-20 | 王托 | Activation method of over-discharged lead acid valve-regulated battery |
| CN106093787A (en) * | 2016-07-01 | 2016-11-09 | 天能电池集团有限公司 | A kind of battery of electric bicycle deeper cavity life detecting method |
-
2018
- 2018-07-19 CN CN201810795279.5A patent/CN109116246B/en active Active
- 2018-10-29 WO PCT/CN2018/112341 patent/WO2020015226A1/en active Application Filing
- 2018-10-29 AU AU2018432963A patent/AU2018432963A1/en not_active Abandoned
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011127973A (en) * | 2009-12-16 | 2011-06-30 | Kawasaki Heavy Ind Ltd | State of charge estimation method and device for secondary battery |
| CN105790376A (en) * | 2016-04-28 | 2016-07-20 | 王托 | Activation method of over-discharged lead acid valve-regulated battery |
| CN106093787A (en) * | 2016-07-01 | 2016-11-09 | 天能电池集团有限公司 | A kind of battery of electric bicycle deeper cavity life detecting method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111999671A (en) * | 2020-08-04 | 2020-11-27 | 中汽研汽车检验中心（天津）有限公司 | Lithium ion battery overdischarge excess capacity value calculation method |
| CN111999671B (en) * | 2020-08-04 | 2023-01-10 | 中汽研汽车检验中心（天津）有限公司 | Lithium ion battery overdischarge excess capacity value calculation method |
| CN113113684A (en) * | 2021-03-30 | 2021-07-13 | 天能电池集团股份有限公司 | Lead storage battery treatment method for improving wet pressure and discharge performance of unit cell |
| CN113113684B (en) * | 2021-03-30 | 2022-06-10 | 天能电池集团股份有限公司 | Lead storage battery treatment method for improving wet pressure and discharge performance of unit cell |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109116246B (en) | 2020-04-28 |
| AU2018432963A1 (en) | 2020-04-16 |
| WO2020015226A1 (en) | 2020-01-23 |
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