CN111384452A - Method, device and equipment for expanding use scene of battery cell and storage medium - Google Patents

Abstract

The invention is applicable to the technical field of batteries, and provides a method, a device, equipment and a storage medium for expanding the use scene of a battery monomer, wherein the method comprises the following steps: receiving a request for calibrating the battery in multiple use scenes of the same performance balancing battery monomer, and acquiring a battery calibration parameter corresponding to each use scene in the multiple use scenes according to the request; acquiring performance parameters of the performance balancing battery monomers, and adjusting the performance parameters of the performance balancing battery monomers according to the battery calibration parameters corresponding to each use scene; testing the performance parameters of the adjusted performance balancing battery monomer corresponding to each use scene; when the performance parameter test of the adjusted performance balancing battery monomer meets the preset condition, the performance balancing battery monomer is calibrated according to the performance parameter of the adjusted performance balancing battery monomer, so that the performance balancing battery monomer can be calibrated differently according to the performance parameters of different use scenes, and the use scenes of the same performance balancing battery monomer are expanded.

Description

Method, device, device and storage medium for extending usage scenarios of battery cells

technical field

The present invention belongs to the technical field of batteries, and in particular, relates to a method, device, device and storage medium for extending a usage scenario of a battery cell.

Background technique

The technical indicators of power battery cells mainly include capacity, energy density, peak discharge power, fast charging characteristics, charging and discharging temperature range, low temperature discharge capacity, cycle life, safety, etc. Each feature directly affects the acceleration power, cruising range, etc. of the vehicle, and also directly affects the applicable application scenarios of the battery, such as being suitable for different types of vehicles.

Usually the existing general method is to develop a battery cell, determine its single technical indicators, and then determine the application scenario or vehicle model. The use of power battery cells needs to be tested and calibrated before use, and the boundaries of voltage, current, temperature, etc. of the battery cells should be clearly defined. After the range of usage conditions of the battery cells is determined, the usage characteristics of the battery cells, as well as the applicable usage scenarios or vehicle types, are determined. Therefore, in different vehicle models or usage scenarios, it is necessary to develop different types of battery cells to cope with different uses, which greatly increases the use restrictions of a battery cell and also increases the development of battery cells in battery companies. The workload is inconvenient for the unification of production specifications, and the frequency of production changes is increased.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a method, device, device and storage medium for extending the usage scenario of a battery cell, aiming to solve the problem of low utilization rate of a single battery cell due to the single usage scenario of the existing battery cell.

In one aspect, the present invention provides a method for extending a usage scenario of a battery cell, the method comprising the following steps:

Receive a request for battery calibration of the same performance-balanced battery cell in multiple usage scenarios, and obtain battery calibration parameters corresponding to each usage scenario in the multiple usage scenarios according to the request;

obtaining the performance parameters of the performance-balanced battery cells, and adjusting the performance parameters of the performance-balanced battery cells according to the battery calibration parameters corresponding to each usage scenario;

Test the performance parameters of the performance-balanced battery cells after adjustment corresponding to each of the usage scenarios;

When the performance parameter test of the performance-balanced battery cell after adjustment meets the preset condition, the performance-balanced battery cell is calibrated according to the adjusted performance parameter of the performance-balanced battery cell.

In another aspect, the present invention provides a device for extending a usage scenario of a battery cell, the device comprising:

a calibration parameter obtaining unit, configured to receive a request for battery calibration of the same performance-balanced battery cell in multiple usage scenarios, and obtain battery calibration parameters corresponding to each usage scenario in the multiple usage scenarios according to the request;

A performance parameter adjustment unit, configured to obtain the performance parameters of the performance-balanced battery cells, and adjust the performance parameters of the performance-balanced battery cells according to the battery calibration parameters corresponding to each usage scenario;

A parameter testing unit, configured to test the performance parameters of the performance-balanced battery cells after adjustment corresponding to each of the usage scenarios; and

A cell calibration unit, used for calibrating the performance-balanced battery cell according to the adjusted performance parameter of the performance-balanced battery cell when the performance parameter test of the performance-balanced battery cell after adjustment meets a preset condition .

In another aspect, the present invention also provides a battery cell calibration device, comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, the processor executing the computer The program implements the steps of the method described above.

In another aspect, the present invention also provides a computer-readable storage medium, where the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, implements the steps of the above-mentioned method.

The present invention receives a request for battery calibration of the same performance-balanced battery cell in multiple usage scenarios, obtains battery calibration parameters corresponding to each usage scenario in the multiple-use scenario according to the request, and obtains the performance parameters of the performance-balanced battery cell, according to the The battery calibration parameters corresponding to each usage scenario adjust the performance parameters of the performance-balanced battery cells, and then test the performance parameters of the adjusted performance-balanced battery cells corresponding to each usage scenario. When the performance parameter test meets the preset conditions, the performance-balanced battery cells are calibrated according to the performance parameters of the adjusted performance-balanced battery cells, so that the performance-balanced battery cells can be calibrated differently according to the performance parameters of different usage scenarios. Expands the usage scenarios of the same performance-balanced battery cell.

Description of drawings

FIG. 1 is an implementation flowchart of a method for extending a usage scenario of a battery cell according to Embodiment 1 of the present invention;

2 is a schematic structural diagram of an apparatus for extending a usage scenario of a battery cell according to Embodiment 2 of the present invention;

3 is a schematic structural diagram of an apparatus for extending a usage scenario of a battery cell according to Embodiment 3 of the present invention; and

FIG. 4 is a schematic structural diagram of a battery cell calibration device provided in Embodiment 4 of the present invention.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

The specific implementation of the present invention is described in detail below in conjunction with specific embodiments:

Example 1:

FIG. 1 shows the implementation process of the method for extending the usage scenario of a battery cell provided by the first embodiment of the present invention. For the convenience of description, only the part related to the embodiment of the present invention is shown, and the details are as follows:

In step S101, a request for battery calibration of the same performance-balanced battery cell in multiple usage scenarios is received, and battery calibration parameters corresponding to each usage scenario in the multiple usage scenarios are obtained according to the request.

The embodiments of the present invention are suitable for a test system, a test platform or a calibration device for a battery cell with a performance balance, so as to test or calibrate the performance balance battery cell when the usage scenario of the battery cell is expanded. In the embodiment of the present invention, the performance-balanced battery cells are battery cells or battery cells with balanced performance, and the battery calibration parameters are standards or working parameters of the battery in a preset usage scenario. After receiving the usage expansion, usage test or calibration of the performance-balanced battery cell, obtain multiple usage scenarios in which the performance-balanced battery cell is to be used and the battery calibration parameters (ie, battery usage parameters) corresponding to each usage scenario. .

In step S102, the performance parameters of the performance-balanced battery cells are obtained, and the performance parameters of the performance-balanced battery cells are adjusted according to the battery calibration parameters corresponding to each usage scenario.

In the embodiment of the present invention, the battery calibration parameter corresponding to each usage scenario is the working parameter corresponding to each usage scenario. For example, the required working parameter when using a performance-balanced battery cell on the A model is that the battery temperature range is [ t1, t2], voltage range [v1, v2], operating current [I1, I2], and the operating parameters required when using the same performance-balanced battery cell on the B model are the battery temperature range [t3, t4], the voltage Range [v3, v4], use current [I3, I4], at this time, according to the battery calibration parameters corresponding to each use scenario, adjust the performance parameters of the performance-balanced battery cell to adjust the performance of the same performance-balanced battery cell. Expand with scenes. The performance parameters of a battery cell with balanced performance include one or one of cell capacity, energy density, peak discharge power, fast charge characteristics, charge and discharge temperature range, charge and discharge voltage range, charge and discharge current range, low temperature discharge capacity and cycle life. These parameters determine the performance of the battery to a large extent. Therefore, when adjusting the performance parameters of the performance-balanced battery cell, these parameters are mainly adjusted. Preferably, when adjusting the performance parameters of the performance-balanced battery cells according to the battery calibration parameters corresponding to each use scenario, according to the battery calibration parameters corresponding to each use scenario, at the preset performance parameters of the performance-balanced battery cells Adjust the preset performance parameters within the working range, so that when the performance parameters of the adjusted performance-balanced battery cells corresponding to each usage scenario are subsequently tested, only the performance parameters of the performance-balanced battery cells after the preset performance parameters are adjusted. Just do a test.

In step S103, the performance parameters of the adjusted performance-balanced battery cells corresponding to each usage scenario are tested.

In the embodiment of the present invention, when the performance parameters of the adjusted performance-balanced battery cells corresponding to each usage scenario are tested, it is checked whether the performance parameters of the performance-balanced battery cells after adjustment of the preset performance parameters conform to the performance parameters of the corresponding usage scenarios. Preset conditions are used for testing, so as to improve the performance parameter testing efficiency of the adjusted performance-balanced battery cells.

In step S104, when the performance parameter test of the adjusted performance-balanced battery cell meets the preset condition, the performance-balanced battery cell is calibrated according to the adjusted performance parameter of the performance-balanced battery cell.

In the embodiment of the present invention, when the performance parameter test of the performance-balanced battery cell after adjustment meets the preset conditions, it indicates that the performance parameter of the performance-balanced battery cell can work in the corresponding usage scenario after being adjusted. The performance parameters of the adjusted performance-balanced battery cells are used to calibrate the performance-balanced battery cells, so that the performance-balanced battery cells can be better suited to the corresponding usage scenarios, and the usage scenarios of the same performance-balanced battery cells can be expanded. After the performance-balanced battery cells are adjusted and calibrated according to multiple usage scenarios, the performance-balanced battery cells can be used in the multiple usage scenarios.

Further preferably, the calibrated performance-balanced battery cells are associated with corresponding usage scenarios to establish an association relationship between the performance-balanced battery cells and multiple usage scenarios, so that when the performance-balanced battery cells need to be used, the performance-balanced battery cells can be used. The performance-balanced battery cell information is acquired according to the usage scenario, so that the performance-balanced battery cell can be used.

Further preferably, when the performance parameter test of the performance-balanced battery cells after adjustment does not meet the preset conditions, the cell production parameters of the performance-balanced battery cells are adjusted to obtain performance-balanced battery cells with different performance parameters to The battery cells after the production parameters are adjusted are obtained.

Embodiment 2:

FIG. 2 shows the structure of the apparatus for extending the usage scene of the battery cell provided by the second embodiment of the present invention. For the convenience of description, only the part related to the embodiment of the present invention is shown, including:

The calibration parameter obtaining unit 21 is configured to receive a request for battery calibration of the same performance-balanced battery cell in multiple usage scenarios, and obtain battery calibration parameters corresponding to each usage scenario in the multiple usage scenarios according to the request;

The performance parameter adjustment unit 22 is used to obtain the performance parameters of the performance-balanced battery cells, and adjust the performance parameters of the performance-balanced battery cells according to the battery calibration parameters corresponding to each usage scenario;

a parameter testing unit 23, configured to test the performance parameters of the adjusted performance-balanced battery cells corresponding to each usage scenario; and

The cell calibration unit 24 is configured to calibrate the performance-balanced battery cells according to the adjusted performance parameters of the performance-balanced battery cells when the performance parameter test of the adjusted performance-balanced battery cells meets the preset conditions.

In this embodiment of the present invention, each unit of the usage scenario extension device may be implemented by a corresponding hardware or software unit, and each unit may be an independent software and hardware unit, or may be integrated into a software and hardware unit, which is not limited here. invention. For the specific implementation of each unit, reference may be made to the description of the first implementation, which will not be repeated here.

Embodiment three:

FIG. 3 shows the preferred structure of the device for extending the usage scene of the battery cell provided by the third embodiment of the present invention. For the convenience of description, only the parts related to the embodiment of the present invention are shown, including:

The calibration parameter obtaining unit 31 is configured to receive a request for battery calibration of the same performance-balanced battery cell under multiple usage scenarios, and obtain battery calibration parameters corresponding to each usage scenario in the multiple usage scenarios according to the request;

The performance parameter adjustment unit 32 is used to obtain the performance parameters of the performance-balanced battery cells, and adjust the performance parameters of the performance-balanced battery cells according to the battery calibration parameters corresponding to each usage scenario;

The parameter testing unit 33 is used to test the performance parameters of the adjusted performance-balanced battery cells corresponding to each usage scenario;

The cell calibration unit 34 is configured to calibrate the performance-balanced battery cells according to the adjusted performance parameters of the performance-balanced battery cells when the performance parameter test of the adjusted performance-balanced battery cells meets the preset conditions;

The production parameter adjustment unit 35 is used to adjust the cell production parameters of the performance-balanced battery cell when the performance parameter test of the adjusted performance-balanced battery cell does not meet the preset conditions, so as to obtain performance-balanced batteries with different performance parameters Monomer; and

The usage scenario association unit 36 is configured to associate the calibrated performance-balanced battery cells with corresponding usage scenarios, so as to establish an association relationship between the performance-balanced battery cells and multiple usage scenarios.

Wherein, the performance parameter adjustment unit 32 includes:

The parameter adjustment subunit 321 is configured to adjust the preset performance parameters within the working range of the preset performance parameters of the performance-balanced battery cells according to the battery calibration parameters corresponding to each usage scenario;

The parameter testing unit 33 includes:

The condition determination unit 331 is configured to determine whether the performance parameters of the performance-balanced battery cells after the preset performance parameters are adjusted meet the preset conditions of the usage scenario.

In this embodiment of the present invention, each unit of the usage scenario extension device may be implemented by a corresponding hardware or software unit, and each unit may be an independent software and hardware unit, or may be integrated into a software and hardware unit, which is not limited here. invention. For the specific implementation of each unit, reference may be made to the description of the first implementation, which will not be repeated here.

Embodiment 4:

FIG. 4 shows the structure of the battery cell calibration device provided in the fourth embodiment of the present invention. For the convenience of description, only the part related to the embodiment of the present invention is shown.

The battery cell calibration device 4 in the embodiment of the present invention includes a processor 40 , a memory 41 , and a computer program 42 stored in the memory 41 and running on the processor 40 . When the processor 40 executes the computer program 42 , the steps in the above method embodiments are implemented, for example, steps S101 to S104 shown in FIG. 1 . Alternatively, when the processor 40 executes the computer program 42, the functions of the units in the above-mentioned apparatus embodiments, such as the functions of the units 41 to 44 shown in FIG. 2, are realized.

In the embodiment of the present invention, when executing the computer program 42, the processor 40 receives a request for battery calibration of the same performance-balanced battery cell in multiple usage scenarios, and obtains the battery calibration corresponding to each usage scenario in the multiple usage scenarios according to the request. parameters, obtain the performance parameters of the performance-balanced battery cells, adjust the performance parameters of the performance-balanced battery cells according to the battery calibration parameters corresponding to each usage scenario, and then adjust the adjusted performance-balanced battery cells corresponding to each usage scenario. The performance parameters are tested. When the performance parameters of the adjusted performance-balanced battery cells meet the preset conditions, the performance-balanced battery cells are calibrated according to the adjusted performance parameters of the performance-balanced battery cells, so that the performance of the performance-balanced battery cells can be calibrated according to different usage scenarios. The performance parameters are calibrated differently for battery cells with balanced performance, which expands the usage scenarios of the same battery cells with balanced performance.

The battery cell calibration device in the embodiment of the present invention may be a battery testing or calibration device. For the steps implemented when the processor 40 in the device 4 executes the computer program 42 to implement the method for extending the usage scenario of the battery cell, reference may be made to the descriptions of the foregoing method embodiments, which will not be repeated here.

Embodiment 5:

In an embodiment of the present invention, a computer-readable storage medium is provided, where a computer program is stored in the computer-readable storage medium, and when the computer program is executed by a processor, the above-mentioned method for extending a usage scenario of a battery cell is implemented in the embodiment. The steps are, for example, steps S101 to S104 shown in FIG. 1 . Alternatively, when the computer program is executed by the processor, the functions of the units in the above-mentioned apparatus embodiments, for example, the functions of the units 21 to 24 shown in FIG. 2 , are implemented.

In the embodiment of the present invention, when the computer program is executed by the processor, it receives a request for battery calibration of the same performance-balanced battery cell in multiple usage scenarios, and obtains battery calibration parameters corresponding to each usage scenario in the multiple usage scenarios according to the request. , obtain the performance parameters of the performance-balanced battery cells, adjust the performance parameters of the performance-balanced battery cells according to the battery calibration parameters corresponding to each usage scenario, and then adjust the performance of the performance-balanced battery cells corresponding to each usage scenario. The parameters are tested. When the performance parameter test of the adjusted performance-balanced battery cell meets the preset conditions, the performance-balanced battery cell is calibrated according to the adjusted performance parameter of the performance-balanced battery cell, so that the performance of the performance-balanced battery cell can be adjusted according to different usage scenarios. The parameters perform different calibrations for the battery cells with balanced performance, which expands the usage scenarios of the same performance-balanced battery cells.

The computer-readable storage medium of the embodiments of the present invention may include any entity or device capable of carrying computer program codes, recording medium, for example, memory such as ROM/RAM, magnetic disk, optical disk, flash memory, and the like.

The above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included in the protection of the present invention. within the range.

Claims (11)

1. A method for expanding the use scene of a battery cell is characterized by comprising the following steps:

receiving a request for calibrating the battery of the same performance balancing battery monomer in multiple use scenes, and acquiring a battery calibration parameter corresponding to each use scene in the multiple use scenes according to the request;

acquiring performance parameters of the single performance balancing batteries, and adjusting the performance parameters of the single performance balancing batteries according to battery calibration parameters corresponding to each use scene;

testing the performance parameters of the performance balancing battery monomer after the adjustment corresponding to each use scene;

and when the performance parameter test of the performance balancing battery monomer after adjustment meets the preset condition, calibrating the performance balancing battery monomer according to the performance parameter of the performance balancing battery monomer after adjustment.

2. The method of claim 1, wherein the method further comprises:

and when the performance parameter test of the performance balancing battery monomer after adjustment does not accord with the preset condition, adjusting the production parameters of the electric core of the performance balancing battery monomer to obtain the performance balancing battery monomer with different performance parameters.

3. The method of claim 1, wherein the performance parameters of the performance equalizing cell comprise one or more of cell capacity, energy density, peak discharge power, fast charge characteristics, charge-discharge service temperature range, charge-discharge voltage range, charge-discharge current range, low temperature discharge capacity, and cycle life.

4. The method of claim 1, wherein after the step of calibrating the performance balancing cells according to the adjusted performance parameters of the performance balancing cells, the method further comprises:

and associating the calibrated performance balancing battery monomer with a corresponding use scene to establish an association relationship between the performance balancing battery monomer and a plurality of use scenes.

5. The method according to claim 1, wherein the step of adjusting the performance parameters of the performance balancing cells according to the battery calibration parameters corresponding to each usage scenario comprises:

adjusting the preset performance parameters within the working range of the preset performance parameters of the single performance balancing batteries according to the battery calibration parameters corresponding to each use scene;

the step of testing the performance parameters of the performance balancing battery cells after the adjustment corresponding to each usage scenario includes:

and judging whether the performance parameters of the single performance balancing batteries meet the preset conditions of the use scene or not after the preset performance parameters are adjusted.

6. An apparatus for expanding a usage scenario of a battery cell, the apparatus comprising:

the calibration parameter acquisition unit is used for receiving a request for calibrating the battery in multiple use scenes of the same performance balancing battery monomer and acquiring a battery calibration parameter corresponding to each use scene in the multiple use scenes according to the request;

the performance parameter adjusting unit is used for acquiring the performance parameters of the single performance balancing batteries and adjusting the performance parameters of the single performance balancing batteries according to the battery calibration parameters corresponding to each use scene;

the parameter testing unit is used for testing the performance parameters of the performance balancing battery monomer after the adjustment corresponding to each use scene; and

and the single calibration unit is used for calibrating the performance balancing battery single body according to the performance parameters of the performance balancing battery single body after adjustment when the performance parameter test of the performance balancing battery single body after adjustment meets the preset condition.

7. The apparatus of claim 6, wherein the apparatus further comprises:

and the production parameter adjusting unit is used for adjusting the production parameters of the battery cores of the performance balancing battery monomers to obtain the performance balancing battery monomers with different performance parameters when the performance parameter test of the performance balancing battery monomers after adjustment does not accord with the preset condition.

8. The apparatus of claim 6, wherein the apparatus further comprises:

and the using scene association unit is used for associating the calibrated performance balancing battery cell with a corresponding using scene so as to establish an association relation between the performance balancing battery cell and a plurality of using scenes.

9. The apparatus of claim 6,

the performance parameter adjusting unit includes:

the parameter adjusting subunit is configured to adjust the preset performance parameter within a working range of the preset performance parameter of the performance balancing battery cell according to the battery calibration parameter corresponding to each usage scenario;

the parameter test unit includes:

and the condition judgment unit is used for judging whether the performance parameters of the single performance balancing batteries meet the preset conditions of the use scene after the preset performance parameters are adjusted.

10. A cell calibration device comprising a memory, a processor and a computer program stored in said memory and executable on said processor, characterized in that said processor implements the steps of the method according to any of claims 1 to 5 when executing said computer program.

11. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 5.

Images