CN109839602A - Power battery performance and Valuation Method, device, electronic equipment - Google Patents
Power battery performance and Valuation Method, device, electronic equipment Download PDFInfo
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Abstract
The present invention relates to power battery performances and non-market valuation techques field, more particularly to a kind of power battery performance and Valuation Method, device, electronic equipment and storage medium.Wherein method includes: to obtain the qualitative index parameter of power battery；The assessment for carrying out qualitative index to the power battery according to the qualitative index parameter, determines the need for obtaining the quantitative target parameter of the power battery according to the result of the assessment；The quantitative target parameter for obtaining the power battery carries out the assessment of quantitative target to the power battery according to the quantitative target parameter, obtains quantitative assessment index；According to the quantitative assessment index, the value of the power battery is calculated according to the first preset formula.The method of the embodiment of the present invention is convenient to carry out, and assessment result is more accurate.
Description
Technical field
The present invention relates to power battery Performance Evaluation technical fields, comment more particularly to a kind of power battery performance and value
Estimate method, apparatus, electronic equipment and storage medium.
Background technique
With the rapid development of electric vehicles, the ratio that New Energy Sources In China passenger car sales volume accounts for passenger car total sales volume has been approached
5%.National Standard of the People's Republic of China defines power accumulator electrical property for electric vehicle, safety, cycle life requirement
And test method is, it is specified that lithium ion power storage battery packet for electric vehicle and system high power applications, high energy application, safety
Property require and test method.But for having been loaded into the power battery being onboard on active service, very due to the limitation in technology, cost
Hardly possible is tested using above-mentioned standard, causes the Performance Evaluation of vehicle mounted dynamic battery, value assessment that can not implement.
Since Performance Evaluation and value assessment can not be carried out to vehicle mounted dynamic battery, cause to vehicle mounted dynamic battery performance not
Understand, therefore further result in following problems:
There are doubts for power battery technology of the user to new-energy automobile；Dealer, after-sale service quotient are to new-energy automobile
Power battery can not carry out timely care and maintenance；Insurance company provide the new-energy automobile kind of insurance is less and premium
It is more expensive；Vehicle factor, Battery Plant can not be accurately tracked and be controlled to vehicle mounted dynamic battery performance, and improve next battery eliminator skill
Art；Echelon can not carry out performance and value entry evaluation using enterprise to retired power battery, increase the technology that echelon utilizes
And commercial risks.
A kind of enforceable power battery performance and Valuation Method are researched and developed, is this field urgent problem to be solved.
Summary of the invention
One purpose of the embodiment of the present invention is intended to provide a kind of power battery performance and Valuation Method, device, electricity
Sub- equipment and storage medium solve the prior art there has been no enforceable and carry out Performance Evaluation and value to vehicle mounted dynamic battery
The technical issues of method of assessment.
In order to solve the above technical problems, the embodiment of the present invention the following technical schemes are provided:
In a first aspect, the embodiment of the present invention provides a kind of power battery performance and Valuation Method, comprising:
Obtain the qualitative index parameter of power battery；
The assessment for carrying out qualitative index to the power battery according to the qualitative index parameter, according to the knot of the assessment
Fruit determines the need for obtaining the quantitative target parameter of the power battery；
The quantitative target parameter for obtaining the power battery carries out the power battery according to the quantitative target parameter
The assessment of quantitative target obtains quantitative assessment index；
According to the quantitative assessment index, the value of the power battery is calculated according to the first preset formula.
Further, the assessment for carrying out qualitative index to the power battery according to the qualitative index parameter, root
Determine whether need to obtain the quantitative target parameter of the power battery according to the result of the assessment, comprising:
Judge whether the qualitative index parameter meets the first preset requirement；
If all qualitative index parameters meet the first preset requirement, determine that the qualitative index parameter meets default want
It asks, determination need to obtain the quantitative target parameter of the power battery；
If any qualitative index parameter does not meet the first preset requirement, it is default to determine that the qualitative index parameter is not met
It is required that determining the quantitative target parameter without obtaining the power battery, the power battery is calculated according to the second preset formula
Value.
It is further, described that the value of the power battery is calculated according to preset formula according to the quantitative assessment index,
Include:
Judge whether the quantitative assessment index meets the second preset requirement；
If the quantitative assessment index meets the second preset requirement, the power battery is calculated according to the first preset formula
Value；
If the quantitative assessment index does not meet the second preset requirement, the power electric is calculated according to the second preset formula
The value in pond.
Further, the value that the power battery is calculated according to the second preset formula, comprising:
According to the value of power battery described in waste battery value calculation.
Further, the qualitative index includes one of essential information integrity degree, appearance and safety or a variety of.
Further, the quantitative target includes one of performance, consistency and remaining life or a variety of.
Further, the performance includes complementary energy, internal resistance and self-discharge rate, and the consistency includes pressure difference, the temperature difference and lotus
Electricity condition is poor；
The assessment for carrying out quantitative target to the power battery according to the quantitative target parameter, obtains quantitative assessment
Index, comprising:
The quantitative assessment index is determined according to the default weight of the quantitative target and each index.
Further, described according to the quantitative assessment index, the power battery is calculated according to the first preset formula
Value, comprising:
Finger is lost based on remaining life, new battery degree electricity single cycle cost, quantitative assessment index and second-hand value
Number determines the value of the power battery.
Second aspect, the embodiment of the present invention provides a kind of power battery performance and value assessment device, described device include:
Qualitative index obtains module, for obtaining the qualitative index parameter of power battery；
Qualitative index evaluation module, for carrying out qualitative index to the power battery according to the qualitative index parameter
Assessment, determines the need for obtaining the quantitative target parameter of the power battery according to the result of the assessment；
Quantitative target evaluation module, for obtaining the quantitative target parameter of the power battery, according to the quantitative target
Parameter carries out the assessment of quantitative target to the power battery, obtains quantitative assessment index；
Value calculation module, for calculating the power electric according to the first preset formula according to the quantitative assessment index
The value in pond.
The third aspect, the embodiment of the present invention provide a kind of electronic equipment, comprising:
Processor；And
The memory being connect with the processor communication；Wherein, the memory, which is stored with, to be executed by the processor
Instruction, when described instruction is executed by the processor so that the processor execute power battery performance as described above and
The step of Valuation Method.
Fourth aspect, the embodiment of the present invention provide a kind of computer readable storage medium, the computer-readable storage medium
Matter is stored with computer executable instructions, which realizes power electric as described above when being executed by processor
The step of pond performance and Valuation Method.
The beneficial effect of the embodiment of the present invention is: the qualitative index parameter that the embodiment of the present invention passes through acquisition power battery
With quantitative target parameter, the value of power battery is calculated, since qualitative index parameter and quantitative target parameter are convenient to lead to
It crosses acquisition, test and calculates and obtain, therefore the method for the embodiment of the present invention is convenient to carry out, and assessment result is more accurate.
Detailed description of the invention
One or more embodiments are illustrated by the picture in corresponding attached drawing, these exemplary theorys
The bright restriction not constituted to embodiment, the element in attached drawing with same reference numbers label are expressed as similar element, remove
Non- to have special statement, composition does not limit the figure in attached drawing.
Fig. 1 is the flow diagram of power battery performance and Valuation Method provided in an embodiment of the present invention；
Fig. 2 is the flow diagram of qualitative index assessment provided in an embodiment of the present invention；
Fig. 3 is that the process of the value provided in an embodiment of the present invention that power battery is calculated according to quantitative assessment index is illustrated
Figure；
Fig. 4 is the flow diagram of power battery performance and Valuation Method that a specific example of the invention provides；
Fig. 5 is the structural block diagram of power battery performance and value assessment device provided in an embodiment of the present invention；
Fig. 6 is the structural block diagram of electronic equipment provided in an embodiment of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Method provided in an embodiment of the present invention is applicable to carry out value assessment to the power battery loaded in equipment
Field, including to the power battery performance and value assessment loaded on various delivery vehicles, such as with vehicle mounted dynamic battery
New energy vehicle, new energy ship, new energy aircraft etc..Specifically, this method can be implemented on a testing service device, such as
This method is fabricated to test program by way of software code, is installed on testing service device, testing service device can directly or
The qualitative index parameter and quantitative target parameter of power battery are obtained, indirectly to assess the valence of power battery according to this method
Value.
The embodiment of the invention provides a kind of power battery performance and Valuation Methods, as shown in Figure 1, real for the present invention
The power battery performance of example offer and the flow diagram of Valuation Method are applied, this method comprises the following steps:
Step 101: obtaining the qualitative index parameter of power battery.
The qualitative index includes one of essential information integrity degree, appearance and safety or a variety of.Wherein:
Essential information integrity degree mainly needs to obtain following parameter: power battery nominal voltage, nominal capacity, battery class
Type, manufacturer, the date of manufacture, batch, model, usage scenario, using user, retired prior fault and maintenance record, voltage, electricity
Stream, temperature, state-of-charge poor (State of Charge, SOC), health status (State Of Health, SOH), remaining electricity
Measure the reference records such as (State ofEnergy, SOE), insulation, alarm, alarm.Above-mentioned data can be by receiving tester's
Input obtains, and perhaps obtains from the shop vehicle 4S and production firm or from Vehicular battery management system (Battery
Management System, BMS) data acquisition uploaded is acquired, or be calculated based on above-mentioned data.
Appearance specifically includes that whether the state of power accumulator packet or module housing, appearance have obvious leakage, damaged, corruption
Erosion, deformation, crackle, whether surface smooth, it is dry, without wound, if marshalling, connect it is intact, and indicate it is clear, correctly.
Above-mentioned data can be obtained by receiving the input of tester.
Safety specifically includes that the retired prior fault of battery and maintenance record, voltage, electric current, temperature equal distribution insulate, seriously
Alarm, alarm times.Above-mentioned data can be obtained by receiving the input of tester, or from the shop vehicle 4S and production firm
It obtains, or the data acquisition uploaded from Vehicular battery management system (Battery Management System, BMS) acquisition,
Or it is calculated based on above-mentioned data.
Step 102: the assessment of qualitative index is carried out to the power battery according to the qualitative index parameter, according to described
The result of assessment determines the need for obtaining the quantitative target parameter of the power battery.
In some embodiments, qualitative index assessment can be carried out in the following way, as shown in Fig. 2, implementing for the present invention
The flow diagram for the qualitative index assessment that example provides:
Step 201: judging whether the qualitative index parameter meets the first preset requirement.
First preset requirement can be pre-defined according to some relevant standards in country or industry, and is stored in test clothes
It is engaged in device, such as: essential information integrity degree, which need to meet, gets all essential informations and essential information data fit requirement
(such as meeting authenticity requirement, can specifically be judged by defining several comparison conditions).Appearance need to meet power accumulator
It wraps or module housing is intact, appearance must not have obviously leakage, damaged, burn into deformation, crackle, and surface is answered outside smooth, dry, nothing
Wound, marshalling, connection is intact, and indicates clear, correct.If sending collision, water inlet, firing accident before retired；Voltage, electricity
Stream, temperature equal distribution are beyond normal operation section；Insulation, high severity alarm, alarm times are more than normal number, then security parameter is not
It meets the requirements.First preset requirement can be one or more in above-mentioned requirements, can also be what other were not listed here
It is required that the present invention is without limitation.
Step 202: if all qualitative index parameters meet the first preset requirement, determining the qualitative index parameter symbol
Preset requirement is closed, determination need to obtain the quantitative target parameter of the power battery.
When qualitative index meets the requirements, determines that qualitative index is qualified, quantitative target assessment can be carried out.
Step 203: if any qualitative index parameter does not meet the first preset requirement, determining the qualitative index parameter not
Meet preset requirement, determine the quantitative target parameter without obtaining the power battery, according to described in the calculating of the second preset formula
The value of power battery.
When there is nonconforming item in qualitative index, determines that qualitative index is unqualified, commented without quantitative target
Estimate, can directly calculate the value of power battery according to the second preset formula at this time, such as directly according to waste battery value calculation
The value of the power battery.
Step 103: the quantitative target parameter of the power battery is obtained, according to the quantitative target parameter to the power
Battery carries out the assessment of quantitative target, obtains quantitative assessment index.
The quantitative target includes one of performance, consistency and remaining life or a variety of.The performance includes
Complementary energy, internal resistance and self-discharge rate, the consistency include that pressure difference, the temperature difference and state-of-charge are poor.Wherein, complementary energy refers to power accumulator
Remaining actual capacity after removing from electric car, complementary energy need to obtain by charge-discharge test, i.e. the reality of power battery
Charge or discharge capacity.Generally with the initial value of internal resistance and self-discharge rate on vehicle manual, as the use of vehicle is initial
Value is changing always, therefore internal resistance and self-discharge rate are also required to obtain by test.Remaining life generally uses big data mould
Type algorithm is calculated, using voltage, electric current, temperature, state-of-charge and warning information etc. as input variable, output power battery
The prediction result of remaining life.For example, becoming using voltage, electric current, temperature, state-of-charge and warning information etc. as input
Amount, battery complementary energy are used as label value, can also be into when predicting that battery complementary energy decays to a certain numerical value (such as 80%) using regression algorithm
Row how many times charge and discharge cycles, charge and discharge cycles number are remaining battery service life.
Specifically, the quantitative assessment index can be determined according to the default weight of the quantitative target and each index.
Such as: the above-mentioned quantitative target tested or be calculated is substituted into following formula (1), and gives each quantitative target difference weight,
Quantitative assessment index is finally calculated.
Quantitativeindex=Q* ωQ+R*ωR+Rat*ωRat+ΔV*ωΔV+ΔT*ωΔT+ΔSOC*ωΔsoc+
RUL*ωRUL
(1)
Quantitative in formula (1)indexFor quantitative assessment index；Q is complementary energy, wQFor complementary energy weight；R is internal resistance,
wRFor internal resistance weight；Rat is self-discharge rate, wRatFor self-discharge rate weight；△ V is pressure difference, w△VFor pressure difference weight；△ T is temperature
Difference, w△TFor temperature difference weight；△ SOC is that SOC is poor, w△SOCFor SOC difference weight；RUL is remaining life, wRULIt is used for residue
Age weight.Wherein wQIt is usually set to 70%；WR is usually set to 5%；wRatIt is usually set to 5%；w△VIt is usually set to
5%；w△TIt is usually set to 5%；w△SOCIt is usually set to 5%；wRULIt is usually set to 5%.It is understood that above-mentioned weight
It may be arranged as other suitable values, which is not limited by the present invention.
Step 104: according to the quantitative assessment index, the value of the power battery is calculated according to the first preset formula.
In some embodiments, according to the quantitative assessment index, the power battery is calculated according to the first preset formula
Value the step of can realize in the following way, as shown in figure 3, to be provided in an embodiment of the present invention according to quantitative assessment index
Calculate the flow diagram of the value of power battery:
Step 301: judging whether the quantitative assessment index meets the second preset requirement.
Step 302: if the quantitative assessment index meets the second preset requirement, according to described in the calculating of the first preset formula
The value of power battery.
Step 303: if the quantitative assessment index does not meet the second preset requirement, calculating institute according to the second preset formula
State the value of power battery.
In some embodiments, the second preset requirement can be quantitative assessment index more than or equal to certain preset value.For example,
When quantitative assessment index is greater than x%, determine that quantitative assessment index meets the second preset requirement, it at this time can be according to the first preset formula
Calculate the value of the power battery.Quantitative assessment index is less than x%, is determined as that quantitative target is unqualified, at this time can be according to the
One preset formula calculates the value of the power battery, such as without specific value assessment, directly according to waste battery meter
Calculate the value of power battery.
Wherein x% is usually set to 60%.It is understood that x% may be arranged as other suitable values, the present invention
It does not limit this.
It in some embodiments, can be in the following way according to the value that the first preset formula calculates the power battery:
It loses index based on remaining life, new battery degree electricity single cycle cost, quantitative assessment index and second-hand value and determines institute
State the value of power battery.Wherein, remaining life and quantitative assessment index can be calculated according to mode described previously, and two
Hand value loses index and value predetermined, new battery degree electricity single cycle cost (Cost can be usedperCYC_perkWh) according to working as
Preceding power battery price is calculated divided by cycle life, such as:
Assuming that current power battery price is 1200 yuan/kWh, cycle life is 1200 times, then CostperCYC_perkWh=
1200 yuan/kWh/1200 times=1 yuan/kWh/ times.
Assuming that current power battery price is 600 yuan/kWh, cycle life is 500 times, then CostperCYC_perkWh=
600 yuan/kWh/500 times=1.2 yuan/kWh/ times.
Specifically, quantitative assessment index, remaining life, new battery degree electricity single cycle cost, second-hand value are based on
Vehicle mounted dynamic battery progress value assessment can be calculated by formula (2) by losing index etc., above-mentioned parameter band be substituted into public
Formula (2) obtains power battery value.
Batprice=RUL*CostperCYC_perkWh*Quantitativeindex* (2) y%
Bat in formula (2)priceFor vehicle mounted dynamic battery degree electricity price value, RUL is remaining life, CostperCYC_perkWh
For new battery degree electricity single cycle cost, QuantitativeindexFor quantitative assessment index, y% is that second-hand value loses index.
Wherein y% is usually set to 80%.It is understood that y% may be arranged as other suitable values, the present invention does not do this
It limits.
It is understood that above-mentioned qualitative index assessment, quantitative target assessment and value assessment to power battery is equal
Can be realized by construction force cell performance evaluation model and power battery performance and appraisal Model, above-mentioned model it is interior
Holding is content performed by above-mentioned steps.
It will be described in detail how method provided by the present embodiment is realized by a specific example letter below:
As shown in figure 4, the process of the power battery performance and Valuation Method provided for an of the invention specific example is shown
It is intended to this method, this method comprises the following steps:
Step 401: essential information integrity degree, appearance, safety progress qualitative evaluation being carried out to power battery first；If fixed
Property evaluation index it is qualified, then enter the qualitative assessment stage；If qualitative evaluation index is unqualified, step 403 is directly executed.
Step 402: performance, consistency, remaining life are carried out to the power battery of qualitative evaluation qualified and assessed,
By complementary energy, internal resistance, self-discharge rate, pressure difference, the temperature difference, SOC be poor, remaining life, and corresponding assessment item weight substitute into it is public
Formula (1), is calculated quantitative assessment index；If quantitative assessment index >=60%, determines quantitative target qualification, commented into value
Estimate the stage；If quantitative assessment index < 60%, determines that quantitative target is unqualified, step 403 is directly executed.
Step 403: calculating and be worth according to waste battery.
Step 404: value assessment is carried out to the battery of qualitative index qualification, remaining life, new battery degree electricity is single
Secondary cycle cost, quantitative assessment index and second-hand value lose index and substitute into the value that power battery is calculated in formula (2).
The embodiment of the present invention calculates power battery by the qualitative index parameter and quantitative target parameter of acquisition power battery
Value, since qualitative index parameter and quantitative target parameter are convenient to obtain by acquisition, test and calculating, this
The method of inventive embodiments is convenient to carry out, and assessment result is more accurate.
The embodiment of the present invention overcomes the prior art can not carry out the defect of performance and value assessment to vehicle mounted dynamic battery,
It produced, sold and used, repaired based on delivery vehicle (such as electric car), is retired, scrapping the big data of process generation to power
Battery performance and value are assessed, construction force cell performance evaluation model and power battery performance and appraisal Model,
From dimensions such as essential information integrity degree, appearance, performance, consistency, safety, remaining lifes to vehicle mounted dynamic battery progressive
Can assessment, in conjunction with qualitative and be quantitatively evaluated as a result, and comprehensive remaining life, new battery degree electricity single cycle cost, second-hand
Value loses index etc. and realizes vehicle mounted dynamic battery performance and value assessment.
In the application of this method, user can be given up to the power battery skill of new-energy automobile by the assessment result
Doubt existing for art；Dealer, after-sale service quotient is set to can be carried out timely care and maintenance to the power battery of new-energy automobile；
New-energy automobile insurance is released to insurance company and offer foundation is rationally scrapped in setting；Conducive to vehicle factor, Battery Plant to vehicle-mounted dynamic
Power battery performance is accurately tracked and is controlled, and improves next-generation battery technology；It can be to retired using enterprise conducive to echelon
Power battery carries out performance and value entry evaluation, reduces the technology and commercial risks that echelon utilizes.
The embodiment of the invention also provides a kind of power battery performance and value assessment devices, as shown in figure 5, for the present invention
The structural block diagram of power battery performance and value assessment device that embodiment provides, described device 50 include:
Qualitative index obtains module 501, for obtaining the qualitative index parameter of power battery；
Qualitative index evaluation module 502, for carrying out qualitative finger to the power battery according to the qualitative index parameter
Target assessment, determines the need for obtaining the quantitative target parameter of the power battery according to the result of the assessment；
Quantitative target evaluation module 503, for obtaining the quantitative target parameter of the power battery, according to the quantitative finger
The assessment that parameter carries out quantitative target to the power battery is marked, quantitative assessment index is obtained；And
Value calculation module 504, for calculating the power according to the first preset formula according to the quantitative assessment index
The value of battery.
It is worth noting that the contents such as information exchange, implementation procedure between module, unit in above-mentioned apparatus, due to
It is based on same design with embodiment of the method for the invention, for details, please refer to the description in the embodiment of the method for the present invention, herein
It repeats no more.
The embodiment of the present invention calculates power battery by the qualitative index parameter and quantitative target parameter of acquisition power battery
Value, since qualitative index parameter and quantitative target parameter are convenient to obtain by acquisition, test and calculating, this
The method of inventive embodiments is convenient to carry out, and assessment result is more accurate.
The embodiment of the invention also provides a kind of electronic equipment, as shown in fig. 6, setting for electronics provided in an embodiment of the present invention
Standby structural block diagram, the electronic equipment 60 include:
Processor 601；And the memory 602 with the processor 601 communication connection；Wherein, the memory 602 is deposited
The instruction that can be executed by the processor 601 is contained, when described instruction is executed by the processor 601, so that the processor
The step of power battery performance described in 601 execution embodiments as above and Valuation Method.
The embodiment of the invention also provides a kind of computer readable storage medium, the computer-readable recording medium storage
There are computer executable instructions, which realizes power electric described in embodiment as above when being executed by processor
The step of pond performance and Valuation Method.
Device or apparatus embodiments described above is only schematical, wherein it is described as illustrated by the separation member
Unit module may or may not be physically separated, and the component shown as modular unit can be or can also
Not to be physical unit, it can it is in one place, or may be distributed on multiple network module units.It can basis
It is actual to need that some or all of the modules therein is selected to achieve the purpose of the solution of this embodiment.
Those of ordinary skill in the art will appreciate that implement the method for the above embodiments be can be with
Relevant hardware is instructed to complete by program, the program can be stored in a computer readable storage medium,
The program is when being executed, it may include as above-mentioned each method embodiment process, wherein the storage medium can for magnetic disk,
CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (11)
1. a kind of power battery performance and Valuation Method characterized by comprising
Obtain the qualitative index parameter of power battery；
The assessment of qualitative index is carried out to the power battery according to the qualitative index parameter, the result according to the assessment is true
The fixed quantitative target parameter for whether needing to obtain the power battery；
The quantitative target parameter for obtaining the power battery quantifies the power battery according to the quantitative target parameter
The assessment of index obtains quantitative assessment index；
According to the quantitative assessment index, the value of the power battery is calculated according to the first preset formula.
2. the method as described in claim 1, which is characterized in that it is described according to the qualitative index parameter to the power battery
The assessment for carrying out qualitative index determines whether that the quantitative target that need to obtain the power battery is joined according to the result of the assessment
Number, comprising:
Judge whether the qualitative index parameter meets the first preset requirement；
If all qualitative index parameters meet the first preset requirement, determine that the qualitative index parameter meets preset requirement,
Determination need to obtain the quantitative target parameter of the power battery；
If any qualitative index parameter does not meet the first preset requirement, determine that the qualitative index parameter does not meet default want
It asks, determines the quantitative target parameter without obtaining the power battery, calculate the power battery according to the second preset formula
Value.
3. the method as described in claim 1, which is characterized in that it is described according to the quantitative assessment index, according to preset formula
Calculate the value of the power battery, comprising:
Judge whether the quantitative assessment index meets the second preset requirement；
If the quantitative assessment index meets the second preset requirement, the valence of the power battery is calculated according to the first preset formula
Value；
If the quantitative assessment index does not meet the second preset requirement, the power battery is calculated according to the second preset formula
Value.
4. method as claimed in claim 2 or claim 3, which is characterized in that described to calculate the power electric according to the second preset formula
The value in pond, comprising:
According to the value of power battery described in waste battery value calculation.
5. the method as described in claim 1, which is characterized in that the qualitative index include essential information integrity degree, appearance and
One of safety is a variety of.
6. the method as described in claim 1, which is characterized in that the quantitative target includes performance, consistency and remaining use
One of service life is a variety of.
7. method as claimed in claim 6, which is characterized in that the performance includes complementary energy, internal resistance and self-discharge rate, and described one
Cause property includes that pressure difference, the temperature difference and state-of-charge are poor；
The assessment for carrying out quantitative target to the power battery according to the quantitative target parameter, obtains quantitative assessment and refers to
Number, comprising:
The quantitative assessment index is determined according to the default weight of the quantitative target and each index.
8. the method as described in claim 1, which is characterized in that it is described according to the quantitative assessment index, it is default according to first
Formula calculates the value of the power battery, comprising:
It is true that index is lost based on remaining life, new battery degree electricity single cycle cost, quantitative assessment index and second-hand value
The value of the fixed power battery.
9. a kind of power battery performance and value assessment device, which is characterized in that described device includes:
Qualitative index obtains module, for obtaining the qualitative index parameter of power battery；
Qualitative index evaluation module is commented for carrying out qualitative index to the power battery according to the qualitative index parameter
Estimate, determines the need for obtaining the quantitative target parameter of the power battery according to the result of the assessment；
Quantitative target evaluation module, for obtaining the quantitative target parameter of the power battery, according to the quantitative target parameter
The assessment that quantitative target is carried out to the power battery, obtains quantitative assessment index；
Value calculation module, for calculating the power battery according to the first preset formula according to the quantitative assessment index
Value.
10. a kind of electronic equipment characterized by comprising
Processor；And
The memory being connect with the processor communication；Wherein, the memory is stored with the finger that can be executed by the processor
It enables, when described instruction is executed by the processor, so that the processor is executed as of any of claims 1-8 dynamic
The step of power battery performance and Valuation Method.
11. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage has computer can
It executes instruction, such as power of any of claims 1-8 is realized when which is executed by processor
The step of battery performance and Valuation Method.
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