CN106785122A - A kind of smart home lithium ion battery grouping method - Google Patents
A kind of smart home lithium ion battery grouping method Download PDFInfo
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- CN106785122A CN106785122A CN201710012327.4A CN201710012327A CN106785122A CN 106785122 A CN106785122 A CN 106785122A CN 201710012327 A CN201710012327 A CN 201710012327A CN 106785122 A CN106785122 A CN 106785122A
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- Prior art keywords
- lithium ion
- ion battery
- preset range
- capacity
- battery
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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
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
-
- 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
- H01M10/04—Construction or manufacture in general
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
- H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
-
- 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
- H01M10/448—End of discharge regulating measures
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The present invention discloses a kind of smart home lithium ion battery grouping method, by respectively battery it is fully charged and be discharged under two kinds of different conditions, pulsed discharge imitate in smart home battery service condition, by high temperature short-term storage, simulation normal temperature longer-term storage, by loop test, most volumetric properties at last, the storage consistent battery combo of fade performance in all cases, even if there is decay in use in battery pack, also the overall homogeneity of battery pack is ensure that, the service life of battery pack is improved.
Description
Technical field
Match somebody with somebody prescription with lithium ion battery the present invention relates to technical field of lithium ion, more particularly to a kind of smart home
Method.
Background technology
Smart home (English：Smart home, home automation) it is with house as platform, using comprehensive wiring
Technology, the network communications technology, security precautions technology, automatic control technology, audio frequency and video technology are by the relevant facility collection of life staying idle at home
Into, the management system of efficient housing facilities and family's schedule affairs is built, lift house security, convenience, comfortableness, skill
Art, and realize the living environment of environmental protection and energy saving.
Existing intelligent domestic system generally requires connection external power source and could work.And under many circumstances, Ren Menxi
Prestige could be used that the work(such as intelligent domestic system partial function, such as digital independent, signal transmitting and receiving in the case of no external power source
Energy.Accordingly, it would be desirable in smart home built-in lithium ion battery, so as in the case of no external power source for smart home
Basic function, such as data are preserved, and the function such as signal transmitting and receiving provides necessary power supply.And the lithium ion battery in Li-ion batteries piles
If there is capacity volume variance, the below average lithium ion battery of capacity can be caused to occur overcharging or crossing situation about putting, seriously
Influence lithium ion battery life-span, and security performance；Lithium ion battery combo of the prior art be the stage of dispatching from the factory according to
The capacity of lithium ion battery carries out combo, excessive to consider lithium ion battery due to holding caused by long-time use or storage
The unmatched problem of combo that amount difference in attenuation is triggered, and the built-in lithium ion battery in smart home can experience for a long time
Storage works, currently without any matching technique for smart home is found, and if being matched somebody with somebody according to storage time
Group can increase the production cycle of battery, increase cost.
It is in view of this, nowadays a kind of new for intelligent domestic system lithium ion battery grouping method in the urgent need to designing,
So as to the drawbacks described above for overcoming existing lithium ion battery to exist.
The content of the invention
In order to solve above-mentioned problems of the prior art, the invention provides a kind of smart home lithium ion battery
Method for group matching.The definition of combo in the present invention, will satisfactory battery be classified as same group.When battery pack is constituted in the later stage,
Use same Battery pack.
Specific scheme is as follows：
A kind of smart home lithium ion battery grouping method,
1）, choose one group of lithium ion battery, charge to blanking voltage, blanking voltage is 4.2-4.5V, measurement lithium ion battery hold
Amount, and sorted according to amount of capacity；
2）, lithium ion battery combo by capacity difference within preset range A, preset range A is less than or equal to 10%；
3）, temperature be 40-70 degrees Celsius in the environment of, place 10-20 hour, measurement capacity of lithium ion battery, SOC is declined
Lithium ion battery of the amplitude higher than 15% is eliminated, and the lithium ion battery in same group is sorted according to amount of capacity, and capacity difference is existed
Lithium ion battery within preset range B combo again, preset range B is less than preset range A；
4）, 10-100Hz frequency pulsed discharge is carried out to lithium ion battery, impulse amplitude is 0.01-0.5C, until lithium ion
The SOC of battery reaches predetermined value, and predetermined value is the 50-70% of SOC；
5）, temperature be 40-70 degrees Celsius in the environment of, place 10-20 hour, measurement capacity of lithium ion battery, SOC is declined
Lithium ion battery of the amplitude higher than 15% is eliminated, and the lithium ion battery in same group is sorted according to amount of capacity, and capacity difference is existed
Lithium ion battery within preset range C combo again, preset range C is less than preset range B；
6）, constant-current discharge to blanking voltage, blanking voltage is 2.6-2.8V, and electric current is 0.05-0.1C；
7）, temperature be 40-70 degrees Celsius in the environment of, place 10-20 hour, measurement capacity of lithium ion battery, SOC is declined
Lithium ion battery of the amplitude higher than 15% is eliminated, and the lithium ion battery in same group is sorted according to amount of capacity, and capacity difference is existed
Lithium ion battery within preset range D combo again, preset range D is less than preset range C；
9）, with 0.1-0.5C constant-current charges to blanking voltage, blanking voltage is 4.2-4.5V；
10）, with blanking voltage constant-voltage charge, until charging current stops less than 0.01C；
11）, repeat step 2-10 the step of 1-3 times, complete final combo.
Further, the blanking voltage of the step 1 is 4.2-4.3V
Further, preset range A is 8%, and preset range B is 7%, and preset range C is 6%, and preset range D is 5%
Further, the blanking voltage of the step 6 is 2.7V；
Further, the step of repeat step 2-10 2 times.
Further, wherein step 1）、5）And/or 7）In temperature be 50-60 degrees Celsius.
The present invention has the advantages that：
（1）It is fully charged in battery respectively and carry out storge quality test under being discharged two kinds of different conditions, it is ensured that battery is each
The homogeneity of the performance in individual stage；
（2）The service condition of the battery in smart home is imitated by pulsed discharge, and measurement storge quality is surveyed in this condition
Examination.
（3）By high temperature short-term storage, normal temperature longer-term storage is simulated, so that the time needed for shortening combo.
（4）By loop test, and repeatedly combo, volumetric properties are not only allowed for, and have also contemplated that in various feelings
The consistent battery combo of fade performance is stored under condition, even if decay occurs in use in battery, it is also possible to ensure battery
The homogeneity of battery in group, improves the service life of battery pack.
Specific embodiment
The present invention will be described in more detail by specific embodiment below, but protection scope of the present invention is not received
It is limited to these embodiments.
Embodiment 1
1）, choose 1000 lithium ion batteries, charge to blanking voltage, blanking voltage is 4.5V, measure capacity of lithium ion battery,
And sorted according to amount of capacity；
2）, lithium ion battery combo by capacity difference within preset range A, preset range A is equal to 10%；
3）, temperature be 70 degrees Celsius in the environment of, place 10 hours, measure capacity of lithium ion battery, SOC falls is high
Lithium ion battery in 15% is eliminated, and the lithium ion battery in same group is sorted according to amount of capacity, by capacity difference in predetermined model
Lithium ion battery within B combo again is enclosed, preset range B is 8%；
4）, 10Hz frequency pulsed discharge is carried out to lithium ion battery, impulse amplitude is 0.5C, until the SOC of lithium ion battery
Predetermined value is reached, predetermined value is the 50% of SOC；
5）, temperature be 70 degrees Celsius in the environment of, place 10 hours, measure capacity of lithium ion battery, SOC falls is high
Lithium ion battery in 15% is eliminated, and the lithium ion battery in same group is sorted according to amount of capacity, by capacity difference in predetermined model
Lithium ion battery within C combo again is enclosed, preset range C is 7%；
6）, constant-current discharge to blanking voltage, blanking voltage is 2.6V, and electric current is 0.1C；
7）, temperature be 70 degrees Celsius in the environment of, place 10-20 hour, measurement capacity of lithium ion battery, by the range of decrease under SOC
Lithium ion battery of the degree higher than 15% is eliminated, and the lithium ion battery in same group is sorted according to amount of capacity, by capacity difference pre-
Determine lithium ion battery within scope D combo again, preset range D is 6%；
9）, with 0.5C constant-current charges to blanking voltage, blanking voltage is 4.5V；
10）, with blanking voltage constant-voltage charge, until charging current stops less than 0.01C；
11）, repeat step 2-10 the step of 1 time, complete final combo.
Embodiment 2
1）, choose one group of lithium ion battery 1000, charge to blanking voltage, blanking voltage is 4.2V, measure lithium ion battery
Capacity, and sorted according to amount of capacity；
2）, lithium ion battery combo by capacity difference within preset range A, preset range A is less than or equal to 8%；
3）, temperature be 40 degrees Celsius in the environment of, place 20 hours, measure capacity of lithium ion battery, SOC falls is high
Lithium ion battery in 15% is eliminated, and the lithium ion battery in same group is sorted according to amount of capacity, by capacity difference in predetermined model
Lithium ion battery within B combo again is enclosed, preset range B is 7%；
4）, 100Hz frequency pulsed discharge is carried out to lithium ion battery, impulse amplitude is 0.01C, until lithium ion battery
SOC reaches predetermined value, and predetermined value is the 70% of SOC；
5）, temperature be 40 degrees Celsius in the environment of, place 20 hours, measure capacity of lithium ion battery, SOC falls is high
Lithium ion battery in 15% is eliminated, and the lithium ion battery in same group is sorted according to amount of capacity, by capacity difference in predetermined model
Lithium ion battery within C combo again is enclosed, preset range C is 6%；
6）, constant-current discharge to blanking voltage, blanking voltage is 2.8V, and electric current is 0.05C；
7）, temperature be 40 degrees Celsius in the environment of, place 20 hours, measure capacity of lithium ion battery, SOC falls is high
Lithium ion battery in 15% is eliminated, and the lithium ion battery in same group is sorted according to amount of capacity, by capacity difference in predetermined model
Lithium ion battery within D combo again is enclosed, preset range D is 5%；
9）, with 0.1C constant-current charges to blanking voltage, blanking voltage is 4.2V；
10）, with blanking voltage constant-voltage charge, until charging current stops less than 0.01C；
11）, repeat step 2-10 the step of 3 times, complete final combo.
Comparative example 1；
One group of lithium ion battery 1000, charge and discharge cycles three times are chosen, and charge to blanking voltage, blanking voltage is 4.2V,
Measurement capacity of lithium ion battery, and sorted according to amount of capacity；
2）, lithium ion battery combo by capacity difference within preset range A, preset range A is less than or equal to 5%；
The homogeneous performance test of battery pack, chooses after combo in same group of 10, battery, constitutes battery pack, and experience storage 200 is small
When after carry out charge and discharge cycles 10 times, circulation 300 times after the cell in battery pack is detected, search capacity attenuation surpass
Cross 70% battery number.
Although present disclosure is discussed in detail by above preferred embodiment, but it would be recognized that above-mentioned
Description be not considered as limitation of the present invention.After those skilled in the art have read the above, for the present invention
Various modifications and substitutions all will be apparent.Therefore, protection scope of the present invention should be limited by appended claim
It is fixed.
Claims (7)
1. a kind of smart home lithium ion battery grouping method,
1）, choose one group of lithium ion battery, charge to blanking voltage, blanking voltage is 4.2-4.5V, measurement lithium ion battery hold
Amount, and sorted according to amount of capacity；
2）, lithium ion battery combo by capacity difference within preset range A, preset range A is less than or equal to 10%；
3）, temperature be 40-70 degrees Celsius in the environment of, place 10-20 hour, measurement capacity of lithium ion battery, SOC is declined
Lithium ion battery of the amplitude higher than 15% is eliminated, and the lithium ion battery in same group is sorted according to amount of capacity, and capacity difference is existed
Lithium ion battery within preset range B combo again, preset range B is less than preset range A；
4）, 10-100Hz frequency pulsed discharge is carried out to lithium ion battery, impulse amplitude is 0.01-0.5C, until lithium ion
The SOC of battery reaches predetermined value, and predetermined value is the 50-70% of SOC；
5）, temperature be 40-70 degrees Celsius in the environment of, place 10-20 hour, measurement capacity of lithium ion battery, SOC is declined
Lithium ion battery of the amplitude higher than 15% is eliminated, and the lithium ion battery in same group is sorted according to amount of capacity, and capacity difference is existed
Lithium ion battery within preset range C combo again, preset range C is less than preset range B；
6）, constant-current discharge to blanking voltage, blanking voltage is 2.6-2.8V, and electric current is 0.05-0.1C；
7）, temperature be 40-70 degrees Celsius in the environment of, place 10-20 hour, measurement capacity of lithium ion battery, SOC is declined
Lithium ion battery of the amplitude higher than 15% is eliminated, and the lithium ion battery in same group is sorted according to amount of capacity, and capacity difference is existed
Lithium ion battery within preset range D combo again, preset range D is less than preset range C；
9）, with 0.1-0.5C constant-current charges to blanking voltage, blanking voltage is 4.2-4.5V；
10）, with blanking voltage constant-voltage charge, until charging current stops less than 0.01C；
11）, repeat step 2-10 the step of 1-3 times, complete final combo.
2. the method for claim 1, the blanking voltage of the step 1 is 4.2-4.3V.
3. the method for claim 1, preset range A is 8%, and preset range B is 7%, and preset range C is 6%, predetermined model
It is 5% to enclose D.
4. the method for claim 1, the blanking voltage of the step 6 is 2.7V.
5. the step of the method for claim 1, repeat step 1-10 2 times.
6. the method for claim 1, wherein step 1）、5）And/or 7）In temperature be 50-60 degrees Celsius.
7. the method for group matching according to claim 1 obtains the battery pack that same Battery pack is constituted.
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| CN201710012327.4A CN106785122B (en) | 2017-01-09 | 2017-01-09 | Lithium ion battery matching method for smart home |
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| CN201710012327.4A CN106785122B (en) | 2017-01-09 | 2017-01-09 | Lithium ion battery matching method for smart home |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108183271A (en) * | 2017-12-08 | 2018-06-19 | 北京康力优蓝机器人科技有限公司 | A kind of smart home lithium rechargeable battery method for group matching |
| CN109216788A (en) * | 2017-06-29 | 2019-01-15 | 青岛恒金源电子科技有限公司 | A kind of method for group matching and its battery pack of lithium ion battery |
| CN110780220A (en) * | 2019-11-06 | 2020-02-11 | 谈益 | Power supply group selection method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104037456A (en) * | 2014-06-16 | 2014-09-10 | 张晶晶 | Rapid forming process of iron phosphate lithium battery |
| CN104607395A (en) * | 2013-11-01 | 2015-05-13 | 北汽福田汽车股份有限公司 | lithium ion battery sorting method |
-
2017
- 2017-01-09 CN CN201710012327.4A patent/CN106785122B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104607395A (en) * | 2013-11-01 | 2015-05-13 | 北汽福田汽车股份有限公司 | lithium ion battery sorting method |
| CN104037456A (en) * | 2014-06-16 | 2014-09-10 | 张晶晶 | Rapid forming process of iron phosphate lithium battery |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109216788A (en) * | 2017-06-29 | 2019-01-15 | 青岛恒金源电子科技有限公司 | A kind of method for group matching and its battery pack of lithium ion battery |
| CN108183271A (en) * | 2017-12-08 | 2018-06-19 | 北京康力优蓝机器人科技有限公司 | A kind of smart home lithium rechargeable battery method for group matching |
| CN110780220A (en) * | 2019-11-06 | 2020-02-11 | 谈益 | Power supply group selection method |
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| CN106785122B (en) | 2020-10-09 |
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Address after: 225499 Ke Neng Road, Taixing high tech Zone, Taizhou City, Jiangsu Province Patentee after: Hong Zeyu Address before: 225400 room 1305, No. 118, Guoqing East Road, Taixing City, Taizhou City, Jiangsu Province Patentee before: Hong Zeyu |