CN106033115A - Battery screening method - Google Patents
Battery screening method Download PDFInfo
- Publication number
- CN106033115A CN106033115A CN201510125101.6A CN201510125101A CN106033115A CN 106033115 A CN106033115 A CN 106033115A CN 201510125101 A CN201510125101 A CN 201510125101A CN 106033115 A CN106033115 A CN 106033115A
- Authority
- CN
- China
- Prior art keywords
- battery
- discharge
- batteries
- time
- screening method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Secondary Cells (AREA)
Abstract
The invention discloses a battery screening method. The internal resistances and static voltage values of multiple batteries are detected. the batteries are discharged completely and then charged completely in a charge/discharge mode, and practical capacities of the batteries are calculated. The batteries are discharged in a discharging reference value to generate voltage time characteristic parameters of the batteries. The batteries are allowed standing at given temperature for given time, and then the discharging quantities of the batteries are detected to generate self-discharging voltage values of the batteries. Set parameters are provided. The batteries are screened according to the set parameters as well as the internal resistances, the static voltage values, the capacities, the voltage time characteristic parameters and self-discharging voltage values. thus, batteries of a high matching degree can be selected, and the service life of the batteries is prolonged.
Description
[technical field]
The present invention provides a kind of battery screening method, a kind of filters out the battery meeting special parameter
Method.
[background technology]
In the streets electronic product utilizes battery to maintain the most multiple, the most small-sized intelligent hands of kind run
Machine, flat board or the most popular object wearing device, even with to large-scale electric motor car, oil electricity hybrid vehicle etc.,
It all utilizes cell powers, allow electronic product can maintain the most additionally connect power supply and can continuous service, with
Can be for a long time for user.
Multiple battery is utilized to carry out institute's structure in parallel or series it is said that in general, the battery module in electronic product mostly is
Becoming, therefore manufacturer is when assembled battery module, is only for electronic product needs how many battery capacities mostly
For foundation.That is, it is assumed that intelligent mobile phone needs the battery module of 2500mAh battery capacity, manufacturer
The battery that then can select 5 500mAh capacity carries out serial or parallel connection, reaches have 2500mAh battery whereby
The battery module of capacity, to meet intelligent mobile phone use.
But, manufacturer, can be for the battery of same battery capacity in time selecting the battery of assembled battery module
Carry out serial or parallel connection, that is as previous example selects the battery of 5 500mAh capacity to assemble 2500mAh electricity
The battery module of tankage.Only the battery parameter of battery is of a great variety, such as: discharge capacity, battery per hour
Internal resistance, quiescent voltage value or other etc..When the battery of different battery parameters is connected or is connected in parallel, meeting
The behaviour in service making each battery is inconsistent, and during to cause electronic product to use, battery module cannot be complete
Charge or cannot discharge completely, in turn resulting in the loss of electronic product.
In view of this, it is necessary to propose a solution so that manufacturer selects suitable battery to assemble height
Service efficiency and the battery module in high service life.
[summary of the invention]
In view of the above problems, the present invention provides a kind of battery screening method, by screening each battery and carrying out drawing
Point, with ease of assembly personnel in the selection of battery can the most accurate and coupling, and then lifting the making of battery
Use the life-span.
In one embodiment, a kind of battery screening method comprises: detect an electricity of each battery of several batteries
Pond internal resistance and a quiescent voltage value；With each battery of charge and discharge mode complete discharge the complete each battery that charges that continues,
To calculate the actual battery capacity of each battery；With electric discharge reference value to each battery discharge to produce the one of each battery
Volt-time characteristic parameter；Under determined temperature, stand each battery and after given time, detect putting of each battery
Electricity is to produce the self discharge pressure value of each battery；Offer include internal resistance of cell setting value, quiescent voltage setting value,
The parameter of battery capacity setting value, volt-time characteristic pre-set parameter and self discharge pressure setting value sets；And
Set and each internal resistance of cell, each quiescent voltage value, each battery capacity, each volt-time characteristic according to parameter
Parameter and each self discharge pressure value screen these batteries.
Compared to prior art, via above-mentioned battery screening method, it is able to each battery is entered for various parameters
Row filter is classified, and is conveniently selected the battery with identical parameters to use, to promote battery for user
Between matching degree, so as to increasing service life when electronic product uses, and then electronic product can be extended
The use time.
[accompanying drawing explanation]
Fig. 1 is the flow chart of the battery screening method of one embodiment of the invention.
Fig. 2 is the detail flowchart of step S01 of one embodiment of the invention.
Fig. 3 is the detail flowchart of step S02 of one embodiment of the invention.
Fig. 4 is the schematic diagram of a volt-time characteristic parameter of one embodiment of the invention.
Fig. 5 is the detail flowchart of step S03 of one embodiment of the invention.
Fig. 6 is the detail flowchart of step S06 of one embodiment of the invention.
[detailed description of the invention]
Fig. 1 is the flow chart of the battery screening method of one embodiment of the invention.Fig. 2 is one embodiment of the invention
One detail flowchart of step S01.Refer to Fig. 1, first, detect the battery of each battery in multiple battery
Internal resistance and quiescent voltage value (step S01), so as to learn the internal resistance of cell in each battery size and
Quiescent voltage value in each battery.Then, with charge and discharge mode completely to each battery discharge, in complete discharge
After completing, and continue and each battery is completely charged, to calculate an actual battery capacity (step S02) of each battery.
Then, with reference value of discharging to each battery discharge, to produce and to record the volt-time characteristic parameter of each battery,
For example, dynamic differential pressure (step S03).Then, each battery is allowed to stand under a determined temperature, and quiet
The magnitude of voltage of each battery is detected, to produce self discharge pressure value (step S04) of each battery after putting a given time.
After the parameter obtaining each battery sets, it is provided that one group of parameter sets (step S05), and according to being provided
Parameter set and previously obtained the internal resistance of cell of all batteries, quiescent voltage value, battery capacity, electricity
Pressure time response parameter screens this little batteries (step S06) with self discharge pressure value.
In some embodiments of step S01, with reference to Fig. 2, it is provided that detecting current to each battery (step S011),
Then detecting current produced quiescent voltage value (step S012) in each battery is read, to calculate
The internal resistance of cell (utilizes V=IR formula).In other words, known detecting current after flowing through each battery, i.e.
Can accurately learn resistance and the quiescent voltage value of the internal resistance of cell of each battery, be known for user
The size of the internal resistance of cell of each battery and the situation of the size of quiescent voltage value.
Fig. 3 is a detail flowchart of step S02 of one embodiment of the invention.Some embodiments in step S02
In, refer to Fig. 3, first with charge-discharge modules to make the fixing discharge current (step of each battery last output
S021).Therefore, when the magnitude of voltage of each battery drop to stop discharge voltage value time, immediately record battery with
The discharge time (step S022) of fixing discharge current electric discharge.The most again with charge-discharge modules with fixing charging
Electric current drops to stop each battery charging (step S023) of discharge voltage value to magnitude of voltage just now.When each electricity
When pond rises to full charge pressure value via fixing charging current for charging and its magnitude of voltage, record is with fixing charged electrical
Flow the charging interval (step S024) to battery charging.Utilize charge-discharge modules according to stopping electric discharge electricity whereby
Pressure value, discharge time, full charge pressure value and charging interval calculate actual battery capacity (step S025).
Wherein, the demand of the battery that the magnitude of current size of fixing discharge current must regard each label adjusts, as solid
The big I determining discharge current is 0.2 ampere, 0.5 ampere, 1 ampere, 1.5 amperes or other size amperages,
The not so limited system of the present invention.
Wherein, the demand of the battery that the magnitude of current size of fixing charging current must regard each label adjusts, as solid
The big I determining charging current is 0.2 ampere, 0.5 ampere, 1 ampere, 1.5 amperes or other size amperages,
The not so limited system of the present invention.
Wherein, stop discharge voltage value and refer to magnitude of voltage when cannot power of each battery, or refer to that each battery is powered
Time, the discharge current of battery is too low, cause cannot normal power supply product operation time magnitude of voltage；In other words,
When battery is powered, because discharge current can be flowed out, then the voltage value of battery can be along with battery discharge mistake
Journey is gradually lowered, during until the magnitude of voltage during power supply of battery drops to stop discharge voltage value,
Representing that battery discharges the most completely, the size stopping discharge voltage value in the present embodiment is not to limit, its
The demand of the battery of the most each label adjusts, such as 3 volts, 3.5 volts, 3.8 volts or the electricity of other sizes
Pressure value, the not so limited system of the present invention.
Wherein, full charge pressure value refers to the magnitude of voltage when capacitance in each battery is the most saturated, that is cannot again with
Magnitude of voltage time in charging current inflow battery；In other words, when battery charges, the voltage value of battery
Can be gradually increased along with charging, during until voltage value reaches full charge pressure value along with charging, i.e. table
Show battery charging complete.The size of the full charge pressure value in the present embodiment is not for limiting, and it is the most each
The demand of the battery of family's label adjusts, such as 4.2 volts, 4.8 volts, 5.2 volts or the magnitude of voltage of other sizes,
The not so limited system of the present invention.
Fig. 4 is the volt-time characteristic Parameter Map of one embodiment of the invention.Referring to Fig. 1, electric discharge reference value is
Fixing discharge time or fixing residual voltage, say, that after battery often discharges a fixing discharge time or
When being often discharged to fixing residual voltage, i.e. record battery discharge current, discharge voltage and the time etc. instantly,
Volt-time characteristic parameter can be drawn by this mode.Wherein this volt-time characteristic parameter is each this battery
Time during electric discharge and voltage relationship (as shown in Figure 4).
Wherein, just carrying out the step recorded every fixing discharge time, it represents as every 10 minutes, 30 points
Clock or other interludes, the present invention is not limited to this.Furthermore, represent electricity every fixing residual voltage
When the magnitude of voltage in pond often reaches how many magnitude of voltage, in some embodiments, it also can be often to decline how much voltage
During value, just carrying out the step recorded, the present invention is not limited to this.
Fig. 5 is a detailed step figure of step S03 of one embodiment of the invention.Some embodiments in step S03
In, refer to Fig. 5, make each battery carry out discharge (step S031), Yu Ge electricity first with charge-discharge modules
In the discharge process in pond, the volt-time characteristic parameter (step S032) of each battery of time recording, be whereby
Volt-time characteristic curve parameter (as shown in Figure 4) during available battery discharge, i.e. dynamic differential pressure, for
Family has a clear understanding of the characteristic of the battery being measured, can be the most accurate during use for you to choose.
Referring to Fig. 1, in step S04 in the present embodiment, it is in order to battery to be learnt is in both constant temperatures
Degree is lower and after the storing of given time, obtains the voltage difference of battery as self discharge pressure value, so as to can
Understand each battery under special environment (when transporting such as sea-freight) time the self-waste of battery electric quantity, so
It will be seen that simulated battery does not uses situation in for a long time, electricity can be judged according to this parameter for user
Whether pond has damage, more can select suitable battery whereby, to avoid consumer to send out when buying electronic product
The situation that raw battery has been damaged.
Wherein, determined temperature is between-10 degree are to 50 degree, and the determined temperature in some embodiments is 45 degree.
Wherein, given time is more than 72 hours, and the time span of given time is the longest, its self discharge measured
Pressure value is more accurate, that is relatively can simulate the battery meeting actual state through the situation put for a long time.
Therefore battery is whereby after the long-time storing of given time, battery lay-by time can be avoided too short and make
Become the data distortion measured too much.
Referring to Fig. 1, step S05 in the present embodiment, it then provides parameter to set, wherein,
Parameter sets and includes internal resistance of cell setting value, quiescent voltage setting value, battery capacity setting value, voltage time
Characterisitic parameter setting value and self discharge pressure setting value, that is parameter to set can be the internal resistance of cell, respectively of each battery
Quiescent voltage value, each battery capacity, each volt-time characteristic parameter and one or a combination thereof of each self discharge pressure value
Person.
Fig. 6 is a detail flowchart of step S06 of one embodiment of the invention.In this, refer to Fig. 6, Yu Bu
In some embodiments of rapid S06, its parameter that screening module can be utilized to be provided according to step S05 sets sieve
Select and meet the battery (step S061) that parameter sets, and each battery being coincident with parameter setting is moved into
The classification region (step S062) that corresponding parameter sets.Can meet in sorting out region is taken thus
The battery that parameter sets, facilitates manufacturer quickly select the battery of correspondence and be assembled into battery module, with
Supplied for electronic product uses.
Wherein, can be realized by a computer program according to the battery screening method of the present invention, so that working as
(it at least has processing unit, detecting module, charge-discharge modules, storage element, sieve to detection of electrons board
Modeling block and input block) loading procedure and perform after can complete according to any embodiment of the present invention battery sieve
Choosing method.Wherein, processing unit mainly in order to control detecting module, charge-discharge modules, storage element,
Screening module and the running of input block.In certain embodiments, computer program can be one to can read
Record media, said procedure is then stored in supplied for electronic detection board in medium capable of reading record and loads.That is,
Aforementioned board has feeding port to receive to be detected and multiple batteries of classification.By the detecting module pair of board
Each battery is detected, single in storing with the internal resistance of cell and quiescent voltage value obtaining and recording each battery
In unit (step S01).The detecting module of board carries out complete discharge again and completely charges each battery, borrows
To calculate actual battery capacity (step S02).In this, the detecting module of board is according to electric discharge reference value order
Each battery discharge, produces volt-time characteristic parameter (step S03) whereby.Then each battery is moved into by board
To environmental simulation region, environmental simulation area setpoint temperature is determined temperature, and battery is placed in this ring
After border simulating area one given time, then the detecting module of board detects the magnitude of voltage of each battery as certainly putting
Magnitude of voltage (step S04).Base this, user can input parameter to the input block of board and set, and parameter sets
It is set to internal resistance of cell setting value, quiescent voltage setting value, battery capacity setting value, volt-time characteristic parameter
One or a combination set of setting value and self discharge pressure setting value person, therefore receives, when board, the instruction that parameter sets
Afterwards (step S05), utilize screening module that the battery meeting parameter setting is moved into the classification district of correspondence immediately
Territory (step S06), user only needs the classification region set from corresponding parameter whereby, can conveniently take
The battery that battery parameter is close carries out being assembled into battery module, uses with further supplied for electronic product.
Via the step of above-mentioned battery screening method, multiple batteries can be set according to parameter and classify, with
The close battery of parameter characteristic can be rapidly selected to be assembled into battery module for manufacturer, and then supplied for electronic
Product uses, and the characterisitic parameter difference that so can avoid in battery module battery each other is too much, and causes
The battery of electronic product falls sharply, and also can extend the service life of electronic product.
Claims (9)
1. a battery screening method, it is characterised in that it comprises:
Detect an internal resistance of cell and a quiescent voltage value of respectively this battery of several batteries；
With a charge and discharge mode complete discharge respectively this battery complete charging respectively this battery that continues, respectively should to calculate
One actual battery capacity of battery；
With an electric discharge reference value to respectively this battery discharge to produce a volt-time characteristic parameter of respectively this battery；
Stand under a determined temperature each this battery and detect after a given time discharge capacity of respectively this battery with
Produce a self discharge pressure value of respectively this battery；
There is provided one parameter set, this parameter set include an internal resistance of cell setting value, a quiescent voltage setting value,
One battery capacity setting value, a volt-time characteristic pre-set parameter and self discharge pressure setting value；And
According to this parameter set and these internal resistances of cell, these quiescent voltage values, these battery capacities, this
A little volt-time characteristic parameters and these self discharge pressure values screen these batteries.
2. battery screening method as claimed in claim 1, it is characterised in that this detecting also records respectively this electricity
In the step of the internal resistance of cell in pond and respectively this quiescent voltage value, further include:
There is provided a detecting current to respectively this battery；And
Read respectively this battery to should this internal resistance of cell of detecting current and this quiescent voltage value.
3. battery screening method as claimed in claim 1, it is characterised in that should be complete with a charge and discharge mode
Whole electric discharge respectively this battery complete charging respectively this battery that continues, to calculate and to record the one of respectively this battery actual electricity
The step of tankage comprises:
Charge-discharge modules order respectively this battery last output one is utilized to fix discharge current；
When respectively this battery decline to stops discharge voltage value, record a discharge time；
This charge-discharge modules is utilized to fix charging current to respectively this battery charging after electric discharge with one；
When respectively this battery rises to a full charge pressure value, record a charging interval；And
This charge-discharge modules is utilized according to this stopping discharge voltage value, this discharge time, full charge pressure value and to be somebody's turn to do
Charging interval calculates this actual battery capacity.
4. battery screening method as claimed in claim 3, it is characterised in that should be with an electric discharge reference value pair
Respectively this battery discharge comprises with the step producing and recording a respectively volt-time characteristic parameter of this battery:
Utilize the electric discharge of this charge-discharge modules order respectively this battery；And
This volt-time characteristic parameter of time recording respectively this battery in respectively this battery discharge procedure, wherein should
Volt-time characteristic parameter be respectively this battery discharge time time and voltage relationship.
5. battery screening method as claimed in claim 1, it is characterised in that this electric discharge reference value is solid
Determine discharge time or one and fix residual voltage value.
6. battery screening method as claimed in claim 1, it is characterised in that this determined temperature is between-10
Spend between 50 degree.
7. battery screening method as claimed in claim 6, it is characterised in that this determined temperature is 45 degree.
8. battery screening method as claimed in claim 1, it is characterised in that this given time is more than 72
Hour.
9. battery screening method as claimed in claim 1, it is characterised in that the step of these these batteries of screening
Suddenly comprise: these internal resistances of cell of these batteries utilizing a screening module to set according to this parameter, these are quiet
One of state magnitude of voltage, these battery capacities, these volt-time characteristic parameters and these self discharge pressure values or its
Combiner, by be coincident with this parameter set respectively this battery move into should parameter set one classification region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510125101.6A CN106033115A (en) | 2015-03-20 | 2015-03-20 | Battery screening method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510125101.6A CN106033115A (en) | 2015-03-20 | 2015-03-20 | Battery screening method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106033115A true CN106033115A (en) | 2016-10-19 |
Family
ID=57149132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510125101.6A Pending CN106033115A (en) | 2015-03-20 | 2015-03-20 | Battery screening method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106033115A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107037365A (en) * | 2016-11-16 | 2017-08-11 | 上海中兴派能能源科技股份有限公司 | A kind of measuring method of power lithium cell electric core |
| CN109765497A (en) * | 2017-11-02 | 2019-05-17 | 北京长城华冠汽车科技股份有限公司 | A kind of lithium battery method for group matching |
| CN111167748A (en) * | 2019-11-29 | 2020-05-19 | 荆门亿纬创能锂电池有限公司 | Battery screening method |
| CN113178624A (en) * | 2021-03-03 | 2021-07-27 | 安徽力普拉斯电源技术有限公司 | High-consistency matching method for power batteries for electric road vehicles |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003084050A (en) * | 2001-09-14 | 2003-03-19 | Konica Corp | Method of checking battery in digital camera |
| CN101907688A (en) * | 2010-08-02 | 2010-12-08 | 天津力神电池股份有限公司 | Method for detecting electrical property consistency of lithium ion battery |
| CN101949971A (en) * | 2010-09-09 | 2011-01-19 | 湖南科霸汽车动力电池有限责任公司 | Method for selecting low-voltage storage battery |
| CN102903977A (en) * | 2012-09-29 | 2013-01-30 | 江苏恒迅中锂新能源科技有限公司 | Method for assembling lithium battery |
| CN103128061A (en) * | 2011-12-05 | 2013-06-05 | 哈尔滨智木科技有限公司 | Method and equipment of sorting dynamic consistency of power batteries |
| CN103316852A (en) * | 2013-05-24 | 2013-09-25 | 上海中聚佳华电池科技有限公司 | Battery selecting method |
| CN103611692A (en) * | 2013-10-21 | 2014-03-05 | 厦门华锂能源有限公司 | Lithium iron phosphate power battery consistency matching screening method |
| CN103956513A (en) * | 2014-04-15 | 2014-07-30 | 合肥恒能新能源科技有限公司 | Matching method of high-capacity lithium power batteries |
| CN104014491A (en) * | 2014-06-26 | 2014-09-03 | 武汉中原长江科技发展有限公司 | Screening method of parallel lithium ion batteries |
| CN104198943A (en) * | 2014-08-05 | 2014-12-10 | 深圳市拓思创新科技有限公司 | Performance detection method and system for lithium battery pack |
-
2015
- 2015-03-20 CN CN201510125101.6A patent/CN106033115A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003084050A (en) * | 2001-09-14 | 2003-03-19 | Konica Corp | Method of checking battery in digital camera |
| CN101907688A (en) * | 2010-08-02 | 2010-12-08 | 天津力神电池股份有限公司 | Method for detecting electrical property consistency of lithium ion battery |
| CN101949971A (en) * | 2010-09-09 | 2011-01-19 | 湖南科霸汽车动力电池有限责任公司 | Method for selecting low-voltage storage battery |
| CN103128061A (en) * | 2011-12-05 | 2013-06-05 | 哈尔滨智木科技有限公司 | Method and equipment of sorting dynamic consistency of power batteries |
| CN102903977A (en) * | 2012-09-29 | 2013-01-30 | 江苏恒迅中锂新能源科技有限公司 | Method for assembling lithium battery |
| CN103316852A (en) * | 2013-05-24 | 2013-09-25 | 上海中聚佳华电池科技有限公司 | Battery selecting method |
| CN103611692A (en) * | 2013-10-21 | 2014-03-05 | 厦门华锂能源有限公司 | Lithium iron phosphate power battery consistency matching screening method |
| CN103956513A (en) * | 2014-04-15 | 2014-07-30 | 合肥恒能新能源科技有限公司 | Matching method of high-capacity lithium power batteries |
| CN104014491A (en) * | 2014-06-26 | 2014-09-03 | 武汉中原长江科技发展有限公司 | Screening method of parallel lithium ion batteries |
| CN104198943A (en) * | 2014-08-05 | 2014-12-10 | 深圳市拓思创新科技有限公司 | Performance detection method and system for lithium battery pack |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107037365A (en) * | 2016-11-16 | 2017-08-11 | 上海中兴派能能源科技股份有限公司 | A kind of measuring method of power lithium cell electric core |
| CN109765497A (en) * | 2017-11-02 | 2019-05-17 | 北京长城华冠汽车科技股份有限公司 | A kind of lithium battery method for group matching |
| CN111167748A (en) * | 2019-11-29 | 2020-05-19 | 荆门亿纬创能锂电池有限公司 | Battery screening method |
| CN113178624A (en) * | 2021-03-03 | 2021-07-27 | 安徽力普拉斯电源技术有限公司 | High-consistency matching method for power batteries for electric road vehicles |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105738830B (en) | Lithium-ion-power cell echelon utilizes analysis method | |
| CN107658511B (en) | Power lithium battery combination method and dynamic lithium battery method for group matching | |
| CN108306065A (en) | Lithium ion battery grouping method and lithium ion battery combo system | |
| CN106356554B (en) | Battery grouping method and device | |
| EP3627167B1 (en) | Method, apparatus, and recording medium for estimating parameter of battery equivalent circuit model | |
| US20220357407A1 (en) | Durability test method and system and data table generation method for battery pulsed heating | |
| CN106033115A (en) | Battery screening method | |
| CN105375071A (en) | Lithium battery matching method | |
| CN106785178A (en) | Battery modules recycle detection, screening method for group matching and device | |
| CN104607395A (en) | lithium ion battery sorting method | |
| CN107983667A (en) | A kind of lithium ion battery grouping method | |
| CN104868180B (en) | Cell method for group matching and system | |
| CN106646060B (en) | Super capacitor reliability test system and temperature imbalance test method | |
| US10775442B2 (en) | Device and method for determining a storage capacity of an electrical energy store | |
| CN103084342B (en) | A kind of method for separating of secondary cell | |
| CN205049709U (en) | Battery detecting apparatus | |
| CN105891716A (en) | Battery characteristic parameter testing device | |
| CN106340920A (en) | Control method and device of passive equalization of battery pack, battery system and vehicle | |
| CN105319516A (en) | A battery set-making and screening method | |
| CN103487758A (en) | Lithium ion battery matching method | |
| CN113696786A (en) | Battery equalization method and system | |
| CN109365325A (en) | A kind of manufacturing method and system of battery | |
| CN108020788A (en) | A kind of lithium ion battery internal resistance rapid screening method | |
| CN105591423A (en) | General storage battery capacity equilibrium system and equilibrium control method thereof | |
| CN104808078A (en) | Test system for battery management system function test |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161019 |