CN104515894B - The method of testing and device of rechargeable battery voltage - Google Patents
The method of testing and device of rechargeable battery voltage Download PDFInfo
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- CN104515894B CN104515894B CN201410795480.5A CN201410795480A CN104515894B CN 104515894 B CN104515894 B CN 104515894B CN 201410795480 A CN201410795480 A CN 201410795480A CN 104515894 B CN104515894 B CN 104515894B
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Abstract
The invention discloses a kind of method of testing and device of rechargeable battery voltage, wherein, this method includes：The charging voltage of battery to be tested is adjusted, charging voltage is located in pre-set interval, wherein, when being charged using the voltage in pre-set interval to battery to be tested, charging current is non-constant；The charging current tested in battery charging process to be tested；According to the charging current of battery to be tested and the corresponding relation of cell voltage, cell voltage corresponding with the charging current that test obtains is obtained.
Description
Technical field
The present invention relates to a kind of electronic technology field, more particularly to a kind of method of testing and dress of rechargeable battery voltage
Put.
Background technology
At present, there are a variety of built-in rechargeable battery products, and many product batteries can not be changed, housing can not be taken apart.Pin
Test product cell voltage is needed in production and test process to such product, to ensure the final product quality of product.Due into
The product in product stage has installed housing, and general without battery testing point is externally drawn on product, therefore, it is impossible to intuitively using similar
The all purpose instruments such as universal meter test cell voltage.
The method of testing to the cell voltage of such product is mostly the test point that leaks outside at present, is blocked after having tested, and is used
On the one hand such a method needs to set single test point, increase cost, on the other hand, it is necessary to add hole on the housing of product,
Reduce the reliability of product.In correlation technique, also a kind of test mode is to test before assembly, and re-test is not electric after assembling
Cell voltage, using this scheme, the quality of product after assembling can not be ensured.
The content of the invention
Present invention seek to address that in the prior art existing for the rechargeable battery voltage tester built in the non-disconnectable product of housing
Above mentioned problem.
According to an aspect of the invention, there is provided a kind of method of testing of rechargeable battery voltage, including：Adjust to be measured
The charging voltage of battery is tried, charging voltage is located in pre-set interval, wherein, using the voltage in above-mentioned pre-set interval to above-mentioned
When battery to be tested is charged, charging current is non-constant；The charging current tested in above-mentioned battery charging process to be tested；Root
According to the charging current of above-mentioned battery to be tested and the corresponding relation of cell voltage, obtain corresponding with testing obtained charging current
Cell voltage.
Alternatively, before the charging current in testing above-mentioned battery charging process to be tested, the above method also includes：Sentence
Whether the product of disconnected built-in above-mentioned battery to be tested has charge control, in the case of it is determined that there is charge control, makes the said goods
Charging is enabled.
Alternatively, according to the charging current of above-mentioned battery to be tested and the corresponding relation of cell voltage, obtain and test
Cell voltage corresponding to the charging current arrived, including：Obtain the charging current and battery of the above-mentioned battery to be tested prestored
The corresponding relation of voltage；According to above-mentioned corresponding relation, cell voltage corresponding with the above-mentioned charging current that test obtains is calculated.
Alternatively, after obtaining cell voltage corresponding with the charging current that test obtains, the above method also includes：Output
The above-mentioned cell voltage acquired.
According to another aspect of the present invention, there is provided a kind of test device of rechargeable battery voltage, including：Adjust mould
Block, for adjusting the charging voltage for the battery to be tested being built in product, above-mentioned charging voltage is set to be located in pre-set interval, its
In, when being charged using the voltage in above-mentioned pre-set interval to above-mentioned battery to be tested, charging current is non-constant；Test mould
Block, for testing the charging current in above-mentioned battery charging process to be tested；Acquisition module, for according to above-mentioned battery to be tested
Charging current and cell voltage corresponding relation, obtain cell voltage corresponding with the obtained charging current of test.
Alternatively, said apparatus also includes：Judge module, for judging whether the product of built-in above-mentioned battery to be tested has
Charge control；Control module, in the case of determining to have charge control in above-mentioned judge module, make the said goods charging
Energy.
Alternatively, said apparatus also includes：Memory module, for storing the charging current and battery of above-mentioned battery to be tested
The corresponding relation of voltage.
Alternatively, said apparatus also includes：Output module, the above-mentioned battery acquired for exporting above-mentioned acquisition module
Voltage.
By the present invention, by adjusting the charging voltage of battery to be tested, being located at charging voltage makes battery to be tested
Charging current and cell voltage are present in the section of curve mapping relation, so as to by testing charging current, according to charging
The mapping relations of electric current and cell voltage, cell voltage is obtained, cell voltage is carried out using the charge port of built-in battery to be tested
Test, without destroy product, it is not required that extra leakage test point is set, the cost of product is reduced, improves
The reliability of product.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Accompanying drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this
For the those of ordinary skill in field, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the flow chart of the method for testing of the rechargeable battery voltage provided according to the embodiment of the present invention one；
Fig. 2 is the flow chart of the method for testing of the rechargeable battery voltage provided according to the embodiment of the present invention two；
Fig. 3 is the flow chart of the method for testing of the rechargeable battery voltage provided according to the embodiment of the present invention three；
Fig. 4 is the mapping relations schematic diagram of charging current and cell voltage in embodiment three；
The structural representation of the test device for the rechargeable battery voltage that Fig. 5 according to embodiments of the present invention four is provided；
Fig. 6 is that a kind of structure of the test device of the optional rechargeable battery voltage provided according to the embodiment of the present invention four is shown
It is intended to；
Fig. 7 is the structure of the test device of another optional rechargeable battery voltage provided according to the embodiment of the present invention four
Schematic diagram；
Fig. 8 is the structure of the test device of another the optional rechargeable battery voltage provided according to the embodiment of the present invention four
Schematic diagram.
Embodiment
With reference to the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based on this
The embodiment of invention, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to protection scope of the present invention.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Technical scheme provided in an embodiment of the present invention is illustrated below in conjunction with accompanying drawing.
Embodiment one
Fig. 1 is according to the flow chart of the method for testing of rechargeable battery voltage provided in an embodiment of the present invention, such as Fig. 1 institutes
Show, this method mainly includes step S102~step S106.
The external charging voltage of Li-Ion rechargeable battery is more than the certain value for the standard constant value for filling Li-Ion rechargeable battery
When (for example, the standard constant value of Li-Ion rechargeable battery is 4.1/4.2V, and externally fed voltage is 5V), charging modes for first
Constant current constant pressure again, wherein, continuous current is setting value, if reducing external charging voltage, departs from the charging of battery to be tested
Constant current area, now charging current and voltage curve mapping relation be present, can obtain battery electricity indirectly by testing charging current
Pressure.Therefore, in embodiments of the present invention, in step s 102, the charging voltage of battery to be tested is adjusted, is located at charging voltage
Pre-set interval, wherein, when being charged using the voltage in pre-set interval to battery to be tested, charging current is non-constant, charging
Curve mapping relation be present with cell voltage in electric current.It is for instance possible to use the electricity of standard charge voltage of battery to be tested or so
Pressure value is charged, i.e., pre-set interval is [standard charge voltage-Δ, standard charge voltage+Δ], wherein, Δ can take 0.1~
0.3V, it can specifically be determined according to the chargeable electric current used in practice.For example, can be before battery be installed to product, first
Battery is tested, determines above-mentioned pre-set interval.In addition, in order to improve efficiency, can be random for the battery of every style number
Sampling is tested, and to determine above-mentioned pre-set interval, the quantity of sampling can be according to the stability of each type of battery come really
It is fixed.
After the charging voltage of battery to be tested is adjusted, in the charging process of battery to be tested, step S104 is performed, is surveyed
Trial charging electric current, i.e., product is charged by the charge port of product, then test the charging current of charge port.Due to be measured
Battery is tried when above-mentioned charging voltage is charged, charging current has curve mapping relation with cell voltage, therefore, is testing
To after the charging current of battery to be tested, step S106 is performed, according to the charging current of battery to be tested and pair of cell voltage
It should be related to, obtain cell voltage corresponding with the charging current that test obtains.
In actual applications, before battery to be tested is installed in product, first battery can be tested, obtained
When being charged using the voltage in above-mentioned section to battery to be tested, the corresponding relation of charging current and cell voltage, for example,
For the battery of every style number, it can be tested with grab sample, to determine above-mentioned pre-set interval, the quantity of sampling can basis
The stability of each type of battery determines., can be by testing several charging currents and correspondingly in specific implementation process
Voltage, draw the mapping curve of charging current and cell voltage.
It is determined that after the charging current of battery to be tested and the corresponding relation of cell voltage, the corresponding relation can be stored,
Or it can also be obtained from other channels (for example, searching the charging current and cell voltage of the battery of corresponding model from network
Corresponding relation, or, the charging current of the battery to be tested and the corresponding relation of cell voltage that the supplier of battery provides)
And the corresponding relation is stored, after the charging current in measuring battery charging process to be tested, read the electricity to be tested of storage
The charging current in pond and the corresponding relation of cell voltage, according to the corresponding relation of reading, calculate the charging electricity obtained with test
Cell voltage corresponding to stream.
It is corresponding with testing obtained charging current getting in an optional embodiment of the embodiment of the present invention
After cell voltage, obtained cell voltage can be exported, so as to facilitate tester to know test result.For example, can
To show result of calculation by display, or, result of calculation can also be printed out by printer, in result of calculation except
Including outside obtained cell voltage, attribute information of corresponding charging current and battery to be tested etc. can also be included.
The method of testing provided using the present embodiment, by adjusting the charging voltage of battery to be tested, makes charging voltage position
In making the charging current of battery to be tested exist with cell voltage in the section of curve mapping relation, so as to be filled by test
Electric current, according to charging current and the mapping relations of cell voltage, cell voltage is obtained, utilizes the charging of built-in battery to be tested
Mouth carries out the test of cell voltage, without destroying product, it is not required that sets extra leakage test point, conveniently carries out electric
The test of cell voltage, while the cost of product is reduced, improve the reliability of product.
Embodiment two
In actual applications, some products are provided with charge control, and external charging power supply is directly inserted into charge port not
Directly the rechargeable battery in built-in product can be charged, it is necessary to make the charging of product is enabled could charge.For example,
It is to enter row data communication with external equipment that some electronic product acquiescences, which plug USB interface, in this case it is necessary to which electronics is produced
The schema modification of product is charge mode, even if the charging of product enables, specifically, can by product send control instruction,
Schema modification is charge mode by instruction product, receives charging.For compatible this kind of product, base of the present embodiment in embodiment one
Changed on plinth, add and judge whether product has charge control and in the case of it is determined that there is charge control, make to fill
The enabled step of electricity.
Fig. 2 is the flow chart of the method for testing for the rechargeable battery voltage that embodiment two provides, as shown in Fig. 2 main bag
Include following steps：
Step S201, after charge power supply is accessed, the charging voltage of battery to be tested is adjusted, make charging voltage positioned at default
In section, wherein, when being charged using the voltage in the pre-set interval to battery to be tested, charging current is non-constant；
Step S202, whether the product of battery to be tested has charge control built in judgement, if so, then performing step
S203, if it is not, performing step S204；
In specific implementation process, step S202 can also be performed before step S201, be controlled judging that product has to charge
In the case of system, step S203 is performed, then performs step S201, in the case where judging that product does not have charge control, is performed
Step S201, step S204 is performed after step S201.
Step S203, enable the charging of product；
Step S204, the charging current tested in battery charging process to be tested；
Step S205, according to the charging current of battery to be tested and the corresponding relation of cell voltage, acquisition obtains with test
Charging current corresponding to cell voltage；
Step S206, export the cell voltage got.
The technical scheme provided by the present embodiment, before charging current is tested, first carry out and judge whether product has and fill
The step of electric control, the product of charge control is provided with so as to compatibility, the product to being provided with charge control, can also be led to
Overcharge power port indirectly testing cell voltage.
Embodiment three
In the present embodiment, illustrated by taking built-in Li-Ion rechargeable battery as an example.Conventional built-in Li-Ion rechargeable battery
Standard charge voltage is 4.1V or 4.2V, outside typically to be charged using USB (5V) power supplies, if filled using 5V power supplies
Electricity, then charging modes are that constant pressure, constant-current charge electric current are setting value again for first constant current.In the present embodiment, USB supply voltages are reduced,
For example, dropping to 4.2V, so that charging departs from constant current area, there is curve mapping relation with cell voltage, pass through in charging current
Test USB charging currents can obtain cell voltage indirectly.
Fig. 3 is the flow chart of the method for testing for the rechargeable battery voltage that the present embodiment provides, as shown in figure 3, main bag
Include following steps：
Step S301, it is inserted into external USB power supply by charge port in the product of built-in Li-Ion rechargeable battery
Afterwards, USB supply voltages are reduced to 4.2V；
Step S302, judges whether product has charge control, if it is, performing step S303, otherwise, performs step
S304；
Step S303, enable charging；
Step S304, test charging current；
Step S305, according to using 4.2V charge power supplies charged when built-in Li-Ion rechargeable battery charging current with
The mapping relations of cell voltage, as shown in figure 4, obtaining cell voltage corresponding with the charging current that test obtains.
For example, it is assumed that the charging current tested in step S304 is 6mA, then the charging current according to Fig. 4 and electricity
It is 3.4V that the mapping relations of cell voltage, which can obtain cell voltage, so as to obtain the battery electricity of built-in Li-Ion rechargeable battery indirectly
Pressure.
Further, it can also show that the charging current that test obtains is corresponding so as to inquire about the charging current by display screen
Cell voltage, it is of course possible to cell voltage corresponding to directly displaying the obtained charging current of test, facilitate tester direct
Know cell voltage.
The technical scheme provided by the present embodiment, it is built-in Li-Ion rechargeable battery by changing external charging voltage
Standard charge voltage, by testing charging current, according to the curve mapping relation of electric current and voltage, cell voltage is connected to,
Sales need not be torn open, it is not required that product appearance is destroyed, on product without influence.
Example IV
Present embodiments provide a kind of test device of rechargeable battery voltage, the device can be used for realizing it is above-mentioned can
The method of testing of charged battery voltage.
Fig. 5 is the structural representation of the test device for the rechargeable battery voltage that the present embodiment provides, as shown in figure 5, should
Device mainly includes：Adjustment module 502, for adjusting the charging voltage for the battery to be tested being built in product, make charging electric
Pressure is located in pre-set interval, wherein, when being charged using the voltage in the pre-set interval to battery to be tested, charging current is non-
It is constant；Test module 504, for testing the charging current in battery charging process to be tested；Acquisition module 506, for basis
The charging current of battery to be tested and the corresponding relation of cell voltage, obtain battery electricity corresponding with the charging current that test obtains
Pressure.
In an optional embodiment of the present embodiment, in order to which compatibility is provided with the product of charge control, such as Fig. 6 institutes
Show, the device can also include：Judge module 501, for judging whether the product of built-in battery to be tested has charge control；Control
Molding block 503, in the case of determining to have charge control in judge module 501, make product charging enabled, then triggering test
Module 504.
The charging current of battery to be tested and the corresponding relation of cell voltage can be obtained and stored in local in advance,
Closed for example, the charging current that in advance according to the type of battery, can test all types of batteries respectively is corresponding with cell voltage
System, then stores, or, the charging current of battery and the corresponding relation of cell voltage can also be obtained from the supplier of battery.
Therefore, in an optional embodiment of the present embodiment, as shown in fig. 7, the device can also include：Memory module 505, use
In the charging current and the corresponding relation of cell voltage that store battery to be tested.In actual applications, memory module 505 can adopt
Realized with the existing memory with store function.
Test result is obtained for convenience of tester, in an optional embodiment of the present embodiment, as shown in figure 8, should
Device can also include：Output module 507, the cell voltage acquired for exporting acquisition module 506.In practical application
In, output module 507 can be display, printer etc., in the result of output in addition to the cell voltage including obtaining, also
Attribute information of corresponding charging current and battery to be tested etc. can be included.
The test device provided by the present embodiment, the charging voltage of battery to be tested is adjusted by adjustment module 502, is made
Charging voltage, which is located at, makes the charging current of battery to be tested exist with cell voltage in the section of curve mapping relation, so as to
Charging current is tested by test module 504, then closed by acquisition module 506 according to the mapping of charging current and cell voltage
System, obtain cell voltage.The test of cell voltage is carried out so as to the charge port of the battery to be tested built in, without
Destroy product, it is not required that extra leakage test point is set, reduces the cost of product, improves the reliability of product.
Certainly, can also be at this in each structure of the test device of the rechargeable battery voltage as shown in Fig. 5 to Fig. 8
Increase the module in other structures in structure, such as：In structure as shown in Figure 7, it can also increase in the structure shown in Fig. 6
Judge module 501 and control module 503, in structure as shown in Figure 8, the judgement mould in the structure shown in Fig. 6 can also be increased
Memory module 505 in block 501 and control module 503 and structure shown in Fig. 6 etc., is not limited, only in the present invention
The purpose of the present invention can be realized, reach the guarantor that any combination of the modules of the effect of the present invention all should belong to the present invention
Protect scope.
Any process or method described otherwise above description in flow chart or herein is construed as, and represents to include
Module, fragment or the portion of the code of the executable instruction of one or more the step of being used to realize specific logical function or process
Point, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discuss suitable
Sequence, including according to involved function by it is basic simultaneously in the way of or in the opposite order, carry out perform function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
It should be appreciated that each several part of the present invention can be realized with hardware, software, firmware or combinations thereof.Above-mentioned
In embodiment, software that multiple steps or method can be performed in memory and by suitable instruction execution system with storage
Or firmware is realized.If, and in another embodiment, can be with well known in the art for example, realized with hardware
Any one of row technology or their combination are realized：With the logic gates for realizing logic function to data-signal
Discrete logic, have suitable combinational logic gate circuit application specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
Those skilled in the art are appreciated that to realize all or part of step that above-described embodiment method carries
Suddenly it is that by program the hardware of correlation can be instructed to complete, described program can be stored in a kind of computer-readable storage medium
In matter, the program upon execution, including one or a combination set of the step of embodiment of the method.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, can also
That unit is individually physically present, can also two or more units be integrated in a module.Above-mentioned integrated mould
Block can both be realized in the form of hardware, can also be realized in the form of software function module.The integrated module is such as
Fruit is realized in the form of software function module and as independent production marketing or in use, can also be stored in a computer
In read/write memory medium.
Storage medium mentioned above can be read-only storage, disk or CD etc..
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Necessarily refer to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be any
One or more embodiments or example in combine in an appropriate manner.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art is not departing from the principle and objective of the present invention
In the case of above-described embodiment can be changed within the scope of the invention, change, replace and modification.The scope of the present invention
By appended claims and its equivalent limit.
Claims (10)
- A kind of 1. method of testing of rechargeable battery voltage, it is characterised in that including：The charging voltage of battery to be tested is adjusted, the charging voltage is located in pre-set interval, wherein, using the preset areas When interior voltage charges to the battery to be tested, charging current is non-constant；The charging current tested in the battery charging process to be tested；According to the charging current of the battery to be tested and the corresponding relation of cell voltage, the charging current obtained with test is obtained Corresponding cell voltage.
- 2. according to the method for claim 1, it is characterised in that the charging in the battery charging process to be tested is tested Before electric current, methods described also includes：Whether the product of the battery to be tested has charge control built in judgement, in the case of it is determined that there is charge control, makes institute It is enabled to state product charging.
- 3. method according to claim 1 or 2, it is characterised in that according to the charging current of the battery to be tested and electricity The corresponding relation of cell voltage, cell voltage corresponding with the charging current that test obtains is obtained, including：Obtain the charging current of the battery to be tested prestored and the corresponding relation of cell voltage；According to the corresponding relation, cell voltage corresponding with the charging current that test obtains is calculated.
- 4. method according to claim 1 or 2, it is characterised in that obtain electricity corresponding with the charging current that test obtains After cell voltage, methods described also includes：Export the cell voltage acquired.
- 5. according to the method for claim 3, it is characterised in that obtain battery electricity corresponding with the charging current that test obtains After pressure, methods described also includes：Export the cell voltage acquired.
- A kind of 6. test device of rechargeable battery voltage, it is characterised in that including：Adjustment module, for adjusting the charging voltage for the battery to be tested being built in product, make the charging voltage positioned at pre- If in section, wherein, when being charged using the voltage in the pre-set interval to the battery to be tested, the non-perseverance of charging current It is fixed；Test module, for testing the charging current in the battery charging process to be tested；Acquisition module, for the charging current and the corresponding relation of cell voltage according to the battery to be tested, obtain and test Cell voltage corresponding to obtained charging current.
- 7. device according to claim 6, it is characterised in that described device also includes：Judge module, for judging whether the product of the built-in battery to be tested has charge control；Control module, in the case of determining to have charge control in the judge module, make the product charging enabled.
- 8. the device according to claim 6 or 7, it is characterised in that described device also includes：Memory module, for storing The charging current of the battery to be tested and the corresponding relation of cell voltage.
- 9. the device according to claim 6 or 7, it is characterised in that described device also includes：Output module, for exporting The cell voltage that the acquisition module acquires.
- 10. device according to claim 8, it is characterised in that described device also includes：Output module, for exporting State the cell voltage that acquisition module acquires.
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| CN105006871B (en) * | 2015-08-26 | 2017-08-01 | 广东欧珀移动通信有限公司 | A kind of method and device for being used to simulate actual battery charging process |
| CN107356880B (en) * | 2017-07-13 | 2020-05-22 | 歌尔股份有限公司 | Battery electric quantity detection method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1983759A (en) * | 2005-12-13 | 2007-06-20 | Lg电子株式会社 | Power supply control apparatus and method for line connection type fuel cell system |
| CN102064571A (en) * | 2009-11-11 | 2011-05-18 | 三洋电机株式会社 | Available charging/discharging current calculation method of battery, power supply device and vehicle with the power supply device |
| CN102540079A (en) * | 2010-12-27 | 2012-07-04 | 联芯科技有限公司 | Detection method and terminal for terminal charging |
| WO2014088324A1 (en) * | 2012-12-04 | 2014-06-12 | 주식회사 엘지화학 | Method and device for estimating parameters for secondary battery |
-
2014
- 2014-12-18 CN CN201410795480.5A patent/CN104515894B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1983759A (en) * | 2005-12-13 | 2007-06-20 | Lg电子株式会社 | Power supply control apparatus and method for line connection type fuel cell system |
| CN102064571A (en) * | 2009-11-11 | 2011-05-18 | 三洋电机株式会社 | Available charging/discharging current calculation method of battery, power supply device and vehicle with the power supply device |
| CN102540079A (en) * | 2010-12-27 | 2012-07-04 | 联芯科技有限公司 | Detection method and terminal for terminal charging |
| WO2014088324A1 (en) * | 2012-12-04 | 2014-06-12 | 주식회사 엘지화학 | Method and device for estimating parameters for secondary battery |
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