CN107359379B - Fast charge method and device - Google Patents
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- CN107359379B CN107359379B CN201710592406.7A CN201710592406A CN107359379B CN 107359379 B CN107359379 B CN 107359379B CN 201710592406 A CN201710592406 A CN 201710592406A CN 107359379 B CN107359379 B CN 107359379B
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- 238000000034 method Methods 0.000 title claims abstract description 46
- 238000007600 charging Methods 0.000 claims abstract description 197
- 238000001514 detection method Methods 0.000 claims description 9
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- 238000012360 testing method Methods 0.000 claims description 6
- 238000004364 calculation method Methods 0.000 claims description 4
- 241000208340 Araliaceae Species 0.000 claims 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims 1
- 235000003140 Panax quinquefolius Nutrition 0.000 claims 1
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- 238000010586 diagram Methods 0.000 description 13
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- 238000004891 communication Methods 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000010281 constant-current constant-voltage charging Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
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- H02J7/0077—
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- 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
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- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The embodiment of the present invention provides a kind of fast charge method and device, is related to charging technique field.This method comprises: obtaining the build-in attribute parameter and the first charging current value of battery in current charging time step-length, wherein the build-in attribute parameter includes the SOC_OCV second dervative and battery capacity of battery；The second charging current value in next charging time step-length for charging the battery is calculated according to the build-in attribute parameter of current charging time step-length and the first charging current value；It is charged in next charging time step-length to the battery based on second charging current value.The present invention can keep preferable battery cycle life while realizing quick charge.
Description
Technical field
The present invention relates to charging technique fields, in particular to a kind of fast charge method and device.
Background technique
The constant current constant voltage quick charge mode that traditional quick charge mode generally uses, the disadvantage is that battery cycle life
It is relatively poor, how a kind of charging scheme for remaining to show preferable cycle life while quick charge is provided, is ability
The a great problem of field technique personnel.
Summary of the invention
In order to overcome above-mentioned deficiency in the prior art, the purpose of the present invention is to provide a kind of fast charge method and dresses
It sets, preferable battery cycle life can be kept while realizing quick charge.
To achieve the goals above, present pre-ferred embodiments the technical solution adopted is as follows:
Present pre-ferred embodiments provide a kind of fast charge method, are applied to electrical equipment, which comprises
Obtain the build-in attribute parameter and the first charging current value of battery in current charging time step-length, wherein described solid
Having property parameters includes the SOC_OCV second dervative and battery capacity of battery；
Next charging time step is calculated according to the build-in attribute parameter of current charging time step-length and the first charging current value
The second charging current value in length for charging the battery；
It is charged in next charging time step-length to the battery based on second charging current value.
In a preferred embodiment of the present invention, the electrical equipment is previously stored with the corresponding battery of different charging time step-lengths
SOC_OCV curve, described the step of obtaining the build-in attribute parameter of battery in current charging time step-length, comprising:
Obtain the SOC_OCV curve of the corresponding battery of current charging time step-length；
Corresponding SOC_OCV second dervative is calculated according to the SOC_OCV curve.
In a preferred embodiment of the present invention, described calculated in next charging time step-length according to the build-in attribute parameter is used
In the second charging current value charged the battery the step of, comprising:
It is calculated in current charging time step-length according to the SOC_OCV second dervative, battery capacity and default adjusting parameter
Current changing rate；
It is calculated in next charging time step-length according to the current changing rate and first charging current value for electricity
The second charging current value that pond is charged.
In a preferred embodiment of the present invention, described according to the SOC_OCV second dervative and battery capacity and default
Adjusting parameter calculates the calculation formula of the current changing rate in current charging time step-length are as follows:
Wherein, i ' is current changing rate, and Capacity is battery capacity,For SOC_OCV second dervative, i is
Initial current.
In a preferred embodiment of the present invention, described according under the current changing rate and first charging current value calculating
The calculation formula of the second charging current value in one charging time step-length for charging the battery are as follows:
ik+1=(1+ α * Δ t) * ik
Wherein, ik+1For the second charging current value, ikFor the first charging current value, Δ t is charging time step-length.
In a preferred embodiment of the present invention, the method also includes:
The charging voltage value of battery is detected；
The charging voltage value that will test is compared with preset voltage value；
When the charging voltage value of detection reaches preset voltage value, determine that the battery reaches charge cutoff condition, and tie
Charging of the beam to battery.
Present pre-ferred embodiments also provide a kind of quick charge device, are applied to electrical equipment, and described device includes:
Module is obtained, for obtaining the build-in attribute parameter and the first charging current of battery in current charging time step-length
Value, wherein the build-in attribute parameter includes the SOC_OCV second dervative and battery capacity of battery；
Computing module, under being calculated according to the build-in attribute parameter of current charging time step-length and the first charging current value
The second charging current value in one charging time step-length for charging the battery；
Charging module, for being carried out in next charging time step-length to the battery based on second charging current value
Charging.
In terms of existing technologies, the invention has the following advantages:
Fast charge method and device provided in an embodiment of the present invention, this method comprises: obtaining current charging time step-length
The build-in attribute parameter and the first charging current value of middle battery, wherein the build-in attribute parameter includes the SOC_OCV bis- of battery
Order derivative and battery capacity；Next fill is calculated according to the build-in attribute parameter of current charging time step-length and the first charging current value
The second charging current value in electric time step for charging the battery；It is filled based on second charging current value next
It charges in electric time step to the battery.Based on above-mentioned design, technical solution provided by the invention can realized fastly
Preferable battery cycle life is kept while speed charging.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is a kind of application scenarios schematic diagram for quick charge device that present pre-ferred embodiments provide；
Fig. 2 is a kind of flow diagram for the fast charge method that present pre-ferred embodiments provide；
Fig. 3 is a kind of flow diagram for each sub-steps that step S210 shown in Fig. 2 includes；
Fig. 4 is a kind of flow diagram for each sub-steps that step S220 shown in Fig. 2 includes；
Fig. 5 is another flow diagram for the fast charge method that present pre-ferred embodiments provide；
Fig. 6 is a kind of functional block diagram for the quick charge device that present pre-ferred embodiments provide；
Fig. 7 is a kind of functional block diagram that module is obtained shown in Fig. 6；
Fig. 8 is a kind of functional block diagram of computing module shown in Fig. 6；
Fig. 9 is another functional block diagram for the quick charge device that present pre-ferred embodiments provide.
Icon: 100- electrical equipment；110- memory；120- processor；130- storage control；200- quick charge dress
It sets；210- obtains module；211- acquisition submodule；212- computational submodule；220- computing module；221- current changing rate calculates
Submodule；222- the second charging current value computational submodule；230- charging module；240- detection module；250- contrast module；
260- terminates charging module.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Usually herein
The component of the embodiment of the present invention described and illustrated in place's attached drawing can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.Meanwhile of the invention
In description, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
With reference to the accompanying drawing, it elaborates to some embodiments of the present invention.In the absence of conflict, following
Feature in embodiment and embodiment can be combined with each other.
Referring to Fig. 1, a kind of application scenarios signal of the quick charge device 200 provided for present pre-ferred embodiments
Figure.In the embodiment of the present invention, the electrical equipment 100 can be charged by the quick charge device 200.Optionally, institute
State electrical equipment 100 and can be, but be not limited to smart phone, electric vehicle, intelligent appliance, charging pile etc..
As shown in Figure 1, the electrical equipment 100 may include memory 110, processor 120, storage control 130 with
And quick charge device 200.The memory 110, processor 120, storage control 130 are directly or indirectly electric between each other
Property connection, to realize the transmission or interaction of data.For example, these elements between each other can by one or more communication bus or
Signal wire, which is realized, to be electrically connected.Quick charge device 200 is stored in memory 110, the quick charge device 200 includes extremely
A few software function module that can be stored in the form of software or firmware (Firmware) in the memory 110, it is described
The software program and module that processor 120 is stored in memory 110 by operation, such as quickly filling in the embodiment of the present invention
Electric installation 200, thereby executing various function application and data processing, i.e. quick charge side in the realization embodiment of the present invention
Method.
It is appreciated that structure shown in FIG. 1 be only illustrate, the electrical equipment 100 can also include than shown in Fig. 1 more
More perhaps less component or with the configuration different from shown in Fig. 1.Each component shown in Fig. 1 can be using hardware, soft
Part or combinations thereof is realized.
Referring to Fig. 2, a kind of flow diagram of the fast charge method provided for present pre-ferred embodiments, the side
Method electrical equipment 100 as shown in Fig. 1 executes.It should be noted that method provided in an embodiment of the present invention not with Fig. 2 and with
The lower specific order is limitation, it should be understood that the sequence of fast charge method part step of the present invention can
To be exchanged with each other according to actual needs or part steps therein also can be omitted or delete.The detailed process of the method
It is as follows:
Step S210 obtains the build-in attribute parameter and the first charging current value of battery in current charging time step-length.
In detail, entire to charge according to the difference of charging capacity during charging the battery in the present embodiment
Process can be divided into multiple charging time step-lengths, and in each charging time step-length, the fixed attribute parameter of the battery is general
It is fixed and invariable, through inventor the study found that current battery quick charge mode mainly uses constant-current constant-voltage charging, but this
Kind charging modes are likely to greatly shorten the service life of battery when improving charge efficiency.
Find that it is anti-that the variation of the dSOC/dOCV and SOC of battery can reflect inside battery by the long term test of inventor
Mechanism is answered, also reflects the speed of the electrochemical reaction of battery indirectly.In consideration of it, the build-in attribute parameter may include battery
SOC_OCV second dervative and battery capacity.
Specifically, referring to Fig. 3, the step S210 may include following sub-step:
Sub-step S211 obtains the SOC_OCV curve of the corresponding battery of current charging time step-length.
Sub-step S212 calculates corresponding SOC_OCV second dervative according to the SOC_OCV curve.
In the present embodiment, it is corresponding that different charging time step-lengths are previously stored in the memory 110 of the electrical equipment 100
Battery SOC_OCV curve, wherein the SOC_OCV curve be battery fixed curve, which can be according to battery
Inherent characteristic is obtained and stored in the memory 110.
The battery is being got after the SOC_OCV curve in current charging time step-length, second order is carried out to the curve
Derivation, the corresponding SOC_OCV second dervative of SOC_OCV curve in available current charging time step-length.
Referring to Fig. 2, step S220, according to the build-in attribute parameter of current charging time step-length and the first charging electricity
Flow valuve calculates the second charging current value in next charging time step-length for charging the battery.
Specifically, referring to Fig. 4, the step S220 may include following sub-step:
Sub-step S221 calculates current charging according to the SOC_OCV second dervative, battery capacity and default adjusting parameter
Current changing rate in time step.
Specifically, in the present embodiment, available according to the characteristic of battery when obtaining current changing rate i ':
Cause are as follows:
So:
It is arrived according to what above-mentioned two formula can convert:
Due toWith the relationship known quantity of SOC, i is initial current, and Capacity is initial capacity, and k is default
Adjusting parameter is adjusted for the charging rate to battery, in the present embodiment, k=1, so can be calculated according to above formula
Obtain the current changing rate in current charging time step-length.
Sub-step S221 calculates next charging time step-length according to the current changing rate and first charging current value
In for the second charging current value for charging the battery.
It is available due to i'=α * i after the current changing rate i ' is calculated:
Further, the current changing rate can be indicated by way of difference formula are as follows:
Corresponding second charging current value of next capacity step-length can be obtained in conjunction with above-mentioned formula are as follows:
ik+1=(1+ α * Δ t) * ik
Wherein, ik+1For the second charging current value, ikFor the first charging current value, Δ t is charging time step-length.
Referring to Fig. 2, step S230, based on second charging current value to institute in next charging time step-length
Battery is stated to charge.
Specifically, in the present embodiment, after obtaining second charging current value, by institute in next charging time step-length
It states the first charging current value and adjusts to the second charging current value and charge.It should be noted that during adjustment, it can be according to reality
Situation, so that charging current value slowly transits to second charging current value, to avoid the change of the moment of electric current or voltage
The case where changing and leading to battery damage generation.
Further, referring to Fig. 5, the method can also include:
Step S240 detects the charging voltage value of battery.
Step S250, the charging voltage value that will test are compared with preset voltage value.
Step S260 determines that the battery reaches charge cutoff when the charging voltage value of detection reaches preset voltage value
Condition, and terminate the charging to battery.
In detail, during the battery charges, the charging voltage value of the battery can be detected in real time, and will
Charging voltage value is compared with preset voltage value, if reaching the preset voltage value, showing that battery has charged terminates, and at this time may be used
To terminate the charging to battery.
Being worth noting all is, the preset voltage value is not specifically limited, and can be carried out according to the actual conditions of battery pre-
It is fixed, in addition, the charge cutoff condition can also be not limited only to the charging voltage value of detection battery, such as it can also be detection electricity
The charging current value in pond terminates battery charging when the charging current value is less than a predetermined current value.
Further, referring to Fig. 6, present pre-ferred embodiments also provide a kind of quick charge device 200, described device
It is installed in the memory 110 and including the software function modules that one or more can be executed by the processor 120, it is described
Device may include:
Module 210 is obtained, for obtaining the build-in attribute parameter of battery and the first charging electricity in current charging time step-length
Flow valuve, wherein the build-in attribute parameter includes the SOC_OCV second dervative and battery capacity of battery.
Computing module 220, based on according to the build-in attribute parameter of current charging time step-length and the first charging current value
Calculate the second charging current value in next charging time step-length for charging the battery.
Charging module 230, for being based on second charging current value in next charging time step-length to the battery
It charges.
Further, referring to Fig. 7, the electrical equipment 100 is previously stored with the corresponding electricity of different charging time step-lengths
The SOC_OCV curve in pond, the acquisition module 210 include:
Acquisition submodule 211, for obtaining the SOC_OCV curve of the corresponding battery of current charging time step-length.
Computational submodule 212, for calculating corresponding SOC_OCV second dervative according to the SOC_OCV curve.
Further, referring to Fig. 8, the computing module 220 includes:
Current changing rate computational submodule 221, for according to the SOC_OCV second dervative, battery capacity and default tune
Whole parameter calculates the current changing rate in current charging time step-length.
Second charging current value computational submodule 222, for according to the current changing rate and first charging current
Value calculates the second charging current value in next charging time step-length for charging the battery.
Further, referring to Fig. 9, described device can also include:
Detection module 240 is detected for the charging voltage value to battery.
Contrast module 250, the charging voltage value for will test are compared with preset voltage value.
Terminate charging module 260, for when the charging voltage value of detection reaches preset voltage value, determining that the battery reaches
To charge cutoff condition, and terminate the charging to battery.
The concrete operation method of each functional module in the present embodiment can refer to corresponding steps in above method embodiment
Detailed description, it is no longer repeated herein.
In conclusion fast charge method provided in an embodiment of the present invention and device, this method comprises: obtaining current charging
The build-in attribute parameter and the first charging current value of battery in time step, wherein the build-in attribute parameter includes battery
SOC_OCV second dervative and battery capacity；According to the build-in attribute parameter and the first charging current value of current charging time step-length
Calculate the second charging current value in next charging time step-length for charging the battery；Based on second charging current
Value charges to the battery in next charging time step-length.Based on above-mentioned design, technical solution energy provided by the invention
It is enough to keep preferable battery cycle life while realizing quick charge.
In embodiment provided by the present invention, it should be understood that disclosed device and method, it can also be by other
Mode realize.Device and method embodiment described above is only schematical, for example, flow chart and frame in attached drawing
Figure shows the system frame in the cards of the system of multiple embodiments according to the present invention, method and computer program product
Structure, function and operation.In this regard, each box in flowchart or block diagram can represent a module, section or code
A part, a part of the module, section or code includes one or more for implementing the specified logical function
Executable instruction.It should also be noted that function marked in the box can also be with not in some implementations as replacement
It is same as the sequence marked in attached drawing generation.For example, two continuous boxes can actually be basically executed in parallel, they have
When can also execute in the opposite order, this depends on the function involved.It is also noted that in block diagram and or flow chart
Each box and the box in block diagram and or flow chart combination, can function or movement as defined in executing it is dedicated
Hardware based system realize, or can realize using a combination of dedicated hardware and computer instructions.
In addition, each functional module in each embodiment of the present invention can integrate one independent portion of formation together
Point, it is also possible to modules individualism, an independent part can also be integrated to form with two or more modules.
It, can be with if the function is realized and when sold or used as an independent product in the form of software function module
It is stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a calculating equipment (can be individual
Computer, electronic equipment or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention.
It should be noted that, in this document, term " including ", " including " or its any other variant are intended to non-row
His property includes, so that the process, method, article or equipment for including a series of elements not only includes those elements, and
And further include the other elements being not explicitly listed, or further include for this process, method, article or equipment institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence " including one ... ", it is not excluded that including institute
State in the process, method, article or equipment of element that there is also other identical elements.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (8)
1. a kind of fast charge method is applied to electrical equipment, which is characterized in that the described method includes:
Obtain the build-in attribute parameter and the first charging current value of battery in current charging time step-length, wherein the intrinsic category
Property parameter includes the SOC_OCV second dervative of batteryAnd battery capacity；
It is calculated in next charging time step-length according to the build-in attribute parameter of current charging time step-length and the first charging current value
The second charging current value for charging the battery；
It is charged in next charging time step-length to the battery based on second charging current value, the basis is current
The build-in attribute parameter of charging time step-length and the first charging current value calculate in next charging time step-length for battery into
The step of second charging current value of row charging, comprising:
The electricity in current charging time step-length is calculated according to the SOC_OCV second dervative, battery capacity and default adjusting parameter
Rheology rate；
According to the current changing rate and first charging current value calculate in next charging time step-length for battery into
Second charging current value of row charging.
2. fast charge method according to claim 1, which is characterized in that the electrical equipment is previously stored with difference and fills
The SOC_OCV curve of the corresponding battery of electric time step, the build-in attribute ginseng for obtaining battery in current charging time step-length
Several steps, comprising:
Obtain the SOC_OCV curve of the corresponding battery of current charging time step-length；
Corresponding SOC_OCV second dervative is calculated according to the SOC_OCV curve.
3. fast charge method according to claim 1, which is characterized in that it is described according to the SOC_OCV second dervative,
Battery capacity and default adjusting parameter calculate the calculation formula of the current changing rate in current charging time step-length are as follows:
Wherein, k is default adjusting parameter, and i ' is current changing rate, and Capacity is battery capacity,For SOC_OCV
Second dervative, i are the initial current of current charging time step-length.
4. fast charge method according to claim 3, which is characterized in that described according to the current changing rate and described
First charging current value calculates the calculating of the second charging current value in next charging time step-length for charging the battery
Formula are as follows:
ik+1=(1+ α * Δ t) * ik
Wherein, i'=α * i,
Wherein, ik+1For the second charging current value, ikFor the first charging current value, Δ t is charging time step-length.
5. fast charge method according to claim 1, which is characterized in that the method also includes:
The charging voltage value of battery is detected；
The charging voltage value that will test is compared with preset voltage value；
When the charging voltage value of detection reaches preset voltage value, determine that the battery reaches charge cutoff condition, and end pair
The charging of battery.
6. a kind of quick charge device, it is applied to electrical equipment, which is characterized in that described device includes:
Module is obtained, for obtaining the build-in attribute parameter and the first charging current value of battery in current charging time step-length,
In, the build-in attribute parameter includes the SOC_OCV second dervative of batteryAnd battery capacity；
Computing module, for calculating next fill according to the build-in attribute parameter of current charging time step-length and the first charging current value
The second charging current value in electric time step for charging the battery；
Charging module, for being filled in next charging time step-length to the battery based on second charging current value
Electricity, the computing module include:
Current changing rate computational submodule, based on according to the SOC_OCV second dervative, battery capacity and default adjusting parameter
Calculate the current changing rate in current charging time step-length；
Second charging current value computational submodule, under being calculated according to the current changing rate and first charging current value
The second charging current value in one charging time step-length for charging the battery.
7. quick charge device according to claim 6, which is characterized in that the electrical equipment is previously stored with difference and fills
The SOC_OCV curve of the corresponding battery of electric time step, the acquisition module, comprising:
Acquisition submodule, for obtaining the SOC_OCV curve of the corresponding battery of current charging time step-length；
Computational submodule, for calculating corresponding SOC_OCV second dervative according to the SOC_OCV curve.
8. quick charge device according to claim 6, which is characterized in that described device further include:
Detection module is detected for the charging voltage value to battery；
Contrast module, the charging voltage value for will test are compared with preset voltage value；Terminate charging module, for when inspection
When the charging voltage value of survey reaches preset voltage value, determine that the battery reaches charge cutoff condition, and terminate to fill battery
Electricity.
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| CN201710592406.7A CN107359379B (en) | 2017-07-19 | 2017-07-19 | Fast charge method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1437031A (en) * | 2002-02-08 | 2003-08-20 | 上海华谊（集团）公司 | Battery capacity measuring method |
| JP2004031254A (en) * | 2002-06-28 | 2004-01-29 | Nissan Motor Co Ltd | Capacity control device and method for battery pack |
| JP4706648B2 (en) * | 2007-03-06 | 2011-06-22 | トヨタ自動車株式会社 | Electric vehicle, charging state estimation method, and computer-readable recording medium recording a program for causing a computer to execute the charging state estimation method |
| CN106160089A (en) * | 2016-07-22 | 2016-11-23 | 深圳天珑无线科技有限公司 | Method for charging batteries and battery charging control device |
| CN106505695B (en) * | 2016-12-30 | 2019-04-16 | Oppo广东移动通信有限公司 | Charging control method, device and terminal |
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