CN105866698B - Consider the health status estimation method of the battery of battery consistency - Google Patents
Consider the health status estimation method of the battery of battery consistency Download PDFInfo
- Publication number
- CN105866698B CN105866698B CN201610312791.0A CN201610312791A CN105866698B CN 105866698 B CN105866698 B CN 105866698B CN 201610312791 A CN201610312791 A CN 201610312791A CN 105866698 B CN105866698 B CN 105866698B
- Authority
- CN
- China
- Prior art keywords
- battery
- value
- soh1
- detected
- soh2
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
Abstract
It is including following the invention discloses the health status estimation method for the battery for considering battery consistency：1 judges whether battery to be detected is in charged state；2 judge whether battery to be detected terminates charging process；3 judge whether battery to be detected fills with electricity；4 calculate the value of SOH1；The numerical value of 5SOH1 does not update, and using the SOH1 numerical value of storage, then carries out 6；6 judge whether battery to be detected is in standing process；7 judge that battery to be detected is in the time of standing process；8 calculate the value of SOH2；The value of 9SOH2 does not update, using the SOH2 value of storage；The numerical value of 10 SOH1 obtained according to 4,5,8 and 9 and SOH2 updates the SOH value of battery pack, this method overcomes in the prior art, only carried out mainly for battery cell, there is no condition to be observed inside battery structural parameters in actual condition, simultaneously also the consistency between monomer is not accounted for, estimation method cannot be used directly for the lithium battery group under actual condition health status estimate the problem of.
Description
Technical field
The present invention relates to the detection method fields of cell health state, and in particular, to considers the battery of battery consistency
Health status estimation method.
Background technique
It is influenced by energy crisis and environmental crisis, new-energy automobile especially electric car receives the wide of countries in the world
General concern, mainstream power resources of the lithium battery as electric car, also has attracted much attention.Lithium battery monomer passes through composition electricity in series and parallel
Pond group, to provide power resources for electric car.With lithium battery group cycle-index and using the increase of time, lithium battery can be by
Degradation subtracts, and has an impact to battery system state estimation and control strategy.In the prior art, for lithium battery monomer decaying journey
The estimation of degree, general there are two types of modes：First is that by laboratory measurement cycle-index and using between time and cell decay
Relationship obtains the empirical model of cell decay；Another kind is obtained by being observed to inside battery structure and chemical reaction
The parameters such as the concentration of SEI film and active lithium-ion variation are taken, cell decay is predicted.But the main needle of both modes
Battery cell is carried out, in actual condition, acutely, no condition sees inside battery structural parameters for work condition environment variation
It surveys, while also the consistency between monomer is not accounted for, therefore above two estimation method cannot be used directly for reality
The health status of lithium battery group under operating condition is estimated.
Therefore it provides a kind of evaluation method is simple, and it is easy to accomplish, battery can be more estimated comprehensively and accurately
The considerations of SOH state battery consistency battery health status estimation method urgent need to resolve of the present invention the problem of.
Summary of the invention
For the above-mentioned prior art, it is an object of the present invention to overcome in the prior art, only mainly for battery cell into
Row, does not have condition to be observed inside battery structural parameters, while not with regard to the consistency between monomer in actual condition yet
Account for, estimation method cannot be used directly for the lithium battery group under actual condition health status estimation the problem of, thus
It is simple to provide a kind of evaluation method, it is easy to accomplish, can more comprehensively and also accurately estimate battery SOH state the considerations of electricity
The health status estimation method of the battery of pond consistency.
To achieve the goals above, the present invention provides a kind of health status estimations of 1, battery for considering battery consistency
Method, which is characterized in that the health status estimation method of the battery for considering battery consistency includes the following steps：
Step 1, judge whether battery to be detected is in charged state, when the battery to be detected is in charged state
When, then carry out step 2；When the battery to be detected is in non-charged state, then jump procedure 5；
Step 2, judge whether battery to be detected terminates charging process, when the battery to be detected finishes charging,
Then carry out step 3；When also charging process is not finished in the battery to be detected, then jump procedure 5；
Step 3, judge whether battery to be detected fills with electricity, when the battery to be detected has been filled with electricity, then carry out
Step 4；When the battery to be detected also underfill electricity, then 5 are gone to step；
Step 4, the value of SOH1 is calculated by following formula, the formula is：SOH1=Q ÷ C0, wherein Q indicates battery
The chargeable total capacity of group, C0 are battery nominal capacity；
Step 5, the numerical value of SOH1 does not update, and using the SOH1 numerical value of storage, then carries out step 6；
Step 6, judge whether battery to be detected is in standing process, if the battery to be detected is in standing process,
Then carry out step 7；Such as battery to be detected is in non-static condition, then jump procedure 9；
Step 7, judge that battery to be detected is in the time of standing process, if time of repose is not less than 2 hours, carry out
Step 8；Otherwise jump procedure 9；
Step 8, the value of SOH2 is calculated by following formula, the formula is SOH2=1- (SOCmax-SOCmin),
In, SOCmax is the state-of-charge of the highest single battery of SOC in battery pack, and SOCmin is the monomer that SOC is minimum in battery pack
The state-of-charge of battery；
Step 9, the value of SOH2 does not update, using the SOH2 value of storage；
Step 10, the numerical value of the SOH1 and SOH2 that are obtained according to step 4, step 5, step 8 and step 9 updates battery pack
SOH value；Wherein,
The SOH is expressed as the health status of battery, and the SOH1 is expressed as battery total capacity to the health status of battery
Influence, SOH2 is expressed as influence of the battery consistency to the health status of battery.
Preferably, in step 10, the method for updating SOH includes：When the value of the SOH1 is more than the 90% and SOH2's
When value is also above 90%, the value of the SOH is the arithmetic mean of instantaneous value of both the value of the SOH1 and the value of the SOH2；Otherwise electric
The value of the SOH of pond group is a lesser value in both the value of the SOH1 and the value of the SOH2.
Preferably, according to SOC and accumulative charging capacity, the formula that the value of SOH1 is calculated in the step 4 can be converted into：
SOH1=Δ Q ÷<(1-SOC0)×C0>, wherein SOC is battery charge state, and SOC0 is the initial SOC of battery, and Δ Q is electricity
When variable quantity of the pond from initial SOC electricity to full power state.
Preferably, the initial value of the SOH1 and the initial value for stating SOH2 are set to 100%.
It preferably, need to be to the SOH1 and the SOH2 being calculated every time in the step 4 and the step 8
It is stored.
Preferably, when the numerical value of the SOH is more than 90%, the health status of the battery is good；When the SOH's
When numerical value is less than 90%, the health status of the battery is to deteriorate.
According to above-mentioned technical problem, the present invention by comprehensively consider battery pack full capacitance and battery cell it is consistent
Property, characterization battery capacity decaying battery cell between influence of the consistency to battery state-of-health, battery is estimated with this
Group health status, wherein from the step 1 to the step 5 be the calculating and update to the SOH1 numerical value of battery, that is,
Total capacity is calculated to the influence value of battery state-of-health, is the calculating to battery SOH2 value from the step 6 to the step 9
Then SOH1 numerical value and SOH2 value are integrated to the influence value of battery state-of-health with update, that is, calculating battery consistency
To estimate the health status of battery pack, wherein when battery be in charged state and also fill with electricity and terminate charging process, then
New SOH1 value is calculated by formula and is stored, old SOH1 value is covered, when battery is in when standing process is more than 2 small
When, the value of new SOH2 and storage are calculated by formula, cover the value of old SOH2.
This evaluation method is simple, easy to accomplish, and the health status of battery pack is estimated more accurate complete
Face.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the health status of the battery of battery consistency the considerations of offer in a kind of preferred embodiment of the invention
The flowage structure schematic diagram of estimation method.
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
Such as Fig. 1, the present invention provides a kind of health status estimation method of battery for considering battery consistency, the considerations
The health status estimation method of the battery of battery consistency includes the following steps：
Step 1, judge whether battery to be detected is in charged state, when the battery to be detected is in charged state
When, then carry out step 2；When the battery to be detected is in non-charged state, then jump procedure 5；
Step 2, judge whether battery to be detected terminates charging process, when the battery to be detected finishes charging,
Then carry out step 3；When also charging process is not finished in the battery to be detected, then jump procedure 5；
Step 3, judge whether battery to be detected fills with electricity, when the battery to be detected has been filled with electricity, then carry out
Step 4；When the battery to be detected also underfill electricity, then 5 are gone to step；
Step 4, the value of SOH1 is calculated by following formula, the formula is：SOH1=Q ÷ C0, wherein Q indicates battery
The chargeable total capacity of group, C0 are battery nominal capacity；
Step 5, the numerical value of SOH1 does not update, and using the SOH1 numerical value of storage, then carries out step 6；
Step 6, judge whether battery to be detected is in standing process, if the battery to be detected is in standing process,
Then carry out step 7；Such as battery to be detected is in non-static condition, then jump procedure 9；
Step 7, judge that battery to be detected is in the time of standing process, if time of repose is not less than 2 hours, carry out
Step 8；Otherwise jump procedure 9；
Step 8, the value of SOH2 is calculated by following formula, the formula is SOH2=1- (SOCmax-SOCmin),
In, SOCmax is the state-of-charge of the highest single battery of SOC in battery pack, and SOCmin is the monomer that SOC is minimum in battery pack
The state-of-charge of battery；
Step 9, the value of SOH2 does not update, using the SOH2 value of storage；
Step 10, the numerical value of the SOH1 and SOH2 that are obtained according to step 4, step 5, step 8 and step 9 updates battery pack
SOH value；Wherein,
The SOH is expressed as the health status of battery, and the SOH1 is expressed as battery total capacity to the health status of battery
Influence, SOH2 is expressed as influence of the battery consistency to the health status of battery.
According to above-mentioned technical problem, the present invention by comprehensively consider battery pack full capacitance and battery cell it is consistent
Property, characterization battery capacity decaying battery cell between influence of the consistency to battery state-of-health, battery is estimated with this
Group health status, wherein from the step 1 to the step 5 be the calculating and update to the SOH1 numerical value of battery, that is,
Total capacity is calculated to the influence value of battery state-of-health, is the calculating to battery SOH2 value from the step 6 to the step 9
Then SOH1 numerical value and SOH2 value are integrated to the influence value of battery state-of-health with update, that is, calculating battery consistency
To estimate the health status of battery pack, wherein when battery be in charged state and also fill with electricity and terminate charging process, then
New SOH1 value is calculated by formula and is stored, old SOH1 value is covered, when battery is in when standing process is more than 2 small
When, the value of new SOH2 and storage are calculated by formula, cover the value of old SOH2.
In a preferred embodiment of the invention, in step 10, according to the value of the SOH1 and the SOH2
Value includes two kinds of situations come the method for updating SOH：The first is when the value of the SOH1 is more than the value of the 90% and SOH2
When more than 90%, the value of the SOH is the arithmetic mean of instantaneous value of both the value of the SOH1 and the value of the SOH2, i.e., the described SOH1
Value and the SOH2 the sum of value divided by 2；Second situation is exactly to be unsatisfactory under all situations of the first situation, battery pack
The value of the SOH be a lesser value in the value of the SOH1 and both the value of the SOH2, then obtain the value of SOH,
The as influence of battery state-of-health judges the health status of battery pack with this.
In a preferred embodiment of the invention, the step 4 for SOH1 value calculation formula can be with
Further conversion, according to SOC and accumulative charging capacity, the formula that the value of SOH1 is calculated in the step 4 can be converted into：SOH1
=Δ Q ÷<(1-SOC0)×C0>, wherein SOC is battery charge state, and SOC0 is the initial SOC of battery, Δ Q be battery from
For initial SOC electricity to the when variable quantity of full power state, C0 is battery nominal capacity,
The health status estimation method of the battery of consideration battery consistency of the invention is when first used, if because not
Meet condition and do not calculate new the SOH1 value and the SOH2 value, needs the initial value and institute using the SOH1 at this time
State the initial value of SOH2, in a preferred embodiment of the invention, the initial value of the SOH1 and the SOH2 just
Initial value is set to 100%, i.e. battery is defaulted as optimum health state.
In order to enable the health status estimation ground of battery is more comprehensively accurate, in a kind of preferred embodiment party of the invention
In formula, in the step 4 and the step 8, need to value and the SOH2 to the SOH1 being calculated every time value into
Row storage, need to be using storage if battery pack is unsatisfactory for calculating new SOH1 when being worth requiring in next detection
SOH1 must be worth must be worth with the SOH2, can increase the accuracy for judging battery state-of-health in this way.
It can be classified according to the numerical value of the SOH for the health status of battery pack, wherein the graduate mode present invention
It does not require specifically, but in order to understand the health status for intuitively allowing people to understand battery pack, in one kind of the invention
In preferred embodiment, when the numerical value of the SOH is more than 90%, the health status of the battery is defined as well；Work as institute
When stating the numerical value of SOH less than 90%, the health status of the battery is defined as deteriorating, and can also spend the deterioration and further divide
Class, such as when the numerical value of the SOH less than 90% and is greater than 70% for slight deterioration, when the numerical value of the SOH is less than 70%
For severe deterioration.
It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical solution of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (5)
1. a kind of health status estimation method for the battery for considering battery consistency, which is characterized in that the consideration battery is consistent
The health status estimation method of the battery of property includes the following steps：
Step 1, judge whether battery to be detected is in charged state, when the battery to be detected is in charged state, then into
Row step 2；When the battery to be detected is in non-charged state, then jump procedure 5；
Step 2, judge whether battery to be detected terminates charging process, when the battery to be detected finishes charging, then carry out
Step 3；When also charging process is not finished in the battery to be detected, then jump procedure 5；
Step 3, judge whether battery to be detected fills with electricity, when the battery to be detected has been filled with electricity, then carry out step
4；When the battery to be detected also underfill electricity, then 5 are gone to step；
Step 4, the value of SOH1 is calculated by following formula, the formula is：SOH1=Q ÷ C0, wherein Q indicates that battery pack can
Charge total capacity, and C0 is battery nominal capacity；
Step 5, the numerical value of SOH1 does not update, and using the SOH1 numerical value of storage, then carries out step 6；
Step 6, judge whether battery to be detected is in standing process, if the battery to be detected is in standing process, into
Row step 7；Such as battery to be detected is in non-static condition, then jump procedure 9；
Step 7, judge that battery to be detected is in the time of standing process, if time of repose is not less than 2 hours, carry out step
8；Otherwise jump procedure 9；
Step 8, the value of SOH2 is calculated by following formula, the formula is SOH2=1- (SOCmax-SOCmin), wherein
SOCmax is the state-of-charge of the highest single battery of SOC in battery pack, and SOCmin is the single battery that SOC is minimum in battery pack
State-of-charge；
Step 9, the value of SOH2 does not update, using the SOH2 value of storage；
Step 10, the numerical value of the SOH1 and SOH2 that are obtained according to step 4, step 5, step 8 and step 9 updates battery pack
SOH value；Wherein,
The SOH is expressed as the health status of battery, and the SOH1 is expressed as battery total capacity to the shadow of the health status of battery
It rings, SOH2 is expressed as influence of the battery consistency to the health status of battery；
In step 10, the method for updating SOH includes：When the value of the SOH1 is more than the value of the 90% and SOH2 also above 90%
When, the value of the SOH is the arithmetic mean of instantaneous value of both the value of the SOH1 and the value of the SOH2；Otherwise battery pack is described
The value of SOH is a lesser value in both the value of the SOH1 and the value of the SOH2.
2. the health status estimation method of the battery according to claim 1 for considering battery consistency, which is characterized in that root
According to SOC and accumulative charging capacity, the formula that the value of SOH1 is calculated in the step 4 can be converted into：SOH1=Δ Q ÷<(1-
SOC0)×C0>, wherein SOC is battery charge state, and SOC0 is the initial SOC of battery, and Δ Q is battery from initial SOC to completely
The when variable quantity of electricity condition.
3. the health status estimation method of the battery according to claim 1 for considering battery consistency, which is characterized in that institute
The initial value of the initial value and the SOH2 of stating SOH1 is set to 100%.
4. the health status estimation method of the battery according to claim 1 for considering battery consistency, which is characterized in that
In the step 4 and the step 8, the SOH1 and the SOH2 being calculated every time need to be stored.
5. the health status estimation method of the battery according to claim 1 for considering battery consistency, which is characterized in that when
When the numerical value of the SOH is more than 90%, the health status of the battery is good；When the numerical value of the SOH is less than 90%, institute
The health status of battery is stated to deteriorate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610312791.0A CN105866698B (en) | 2016-05-11 | 2016-05-11 | Consider the health status estimation method of the battery of battery consistency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610312791.0A CN105866698B (en) | 2016-05-11 | 2016-05-11 | Consider the health status estimation method of the battery of battery consistency |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105866698A CN105866698A (en) | 2016-08-17 |
| CN105866698B true CN105866698B (en) | 2018-11-20 |
Family
ID=56630769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610312791.0A Active CN105866698B (en) | 2016-05-11 | 2016-05-11 | Consider the health status estimation method of the battery of battery consistency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105866698B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106585422B (en) * | 2017-02-17 | 2020-07-17 | 合肥国轩高科动力能源有限公司 | SOH estimation method for power battery |
| CN108572320B (en) * | 2017-03-09 | 2020-02-14 | 郑州宇通客车股份有限公司 | Method and device for estimating effective capacity and health state of minimum single battery and system |
| CN108732503B (en) * | 2017-04-21 | 2020-10-02 | 郑州宇通客车股份有限公司 | Method and device for detecting battery health state and battery capacity |
| CN107271906B (en) | 2017-05-31 | 2019-10-18 | 宁德时代新能源科技股份有限公司 | battery pack health degree estimation method and device |
| CN109557477B (en) * | 2017-09-25 | 2021-11-19 | 郑州宇通客车股份有限公司 | Battery system health state estimation method |
| CN107765188B (en) * | 2017-11-28 | 2020-03-24 | 惠州市蓝微新源技术有限公司 | Battery health state acquisition method |
| CN108777328B (en) * | 2018-04-09 | 2020-06-23 | 江西优特汽车技术有限公司 | Power battery attenuation consistency management method |
| KR102521577B1 (en) * | 2019-03-18 | 2023-04-12 | 주식회사 엘지에너지솔루션 | Apparatus for estimating state of battery |
| CN113567862A (en) * | 2021-07-13 | 2021-10-29 | 珠海朗尔电气有限公司 | SOH estimation method and device for lithium battery standby system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102445663A (en) * | 2011-09-28 | 2012-05-09 | 哈尔滨工业大学 | Method for estimating battery health of electric automobile |
| CN103176137A (en) * | 2013-02-15 | 2013-06-26 | 中国南方电网有限责任公司调峰调频发电公司 | Battery pack health condition evaluation method based on battery SOC (state of charge) inhomogeneity |
| CN203054201U (en) * | 2012-07-23 | 2013-07-10 | 河南省科学院应用物理研究所有限公司 | Accumulator health status remote on-line monitoring system |
| CN103278777A (en) * | 2013-05-24 | 2013-09-04 | 杭州电子科技大学 | Method for estimating health status of lithium battery on basis of dynamic Bayesian network |
| TWI411796B (en) * | 2009-12-22 | 2013-10-11 | Ind Tech Res Inst | Apparatus for estimating battery's state of health |
| CN104502855A (en) * | 2014-12-23 | 2015-04-08 | 广东电网有限责任公司电力科学研究院 | Method and system for detecting SOH (State Of Health) of lead-acid storage battery |
| CN104600383A (en) * | 2013-10-30 | 2015-05-06 | 北汽福田汽车股份有限公司 | Battery pack electric quantity equalization method and apparatus thereof |
| CN104931893A (en) * | 2015-06-30 | 2015-09-23 | 上海交通大学 | Modeling method suitable for large-scale batteries that are obviously inconsistent in parameter |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102074757B (en) * | 2010-12-24 | 2013-02-13 | 惠州市亿能电子有限公司 | Method for estimating charge states of lithium ion battery |
-
2016
- 2016-05-11 CN CN201610312791.0A patent/CN105866698B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI411796B (en) * | 2009-12-22 | 2013-10-11 | Ind Tech Res Inst | Apparatus for estimating battery's state of health |
| CN102445663A (en) * | 2011-09-28 | 2012-05-09 | 哈尔滨工业大学 | Method for estimating battery health of electric automobile |
| CN203054201U (en) * | 2012-07-23 | 2013-07-10 | 河南省科学院应用物理研究所有限公司 | Accumulator health status remote on-line monitoring system |
| CN103176137A (en) * | 2013-02-15 | 2013-06-26 | 中国南方电网有限责任公司调峰调频发电公司 | Battery pack health condition evaluation method based on battery SOC (state of charge) inhomogeneity |
| CN103278777A (en) * | 2013-05-24 | 2013-09-04 | 杭州电子科技大学 | Method for estimating health status of lithium battery on basis of dynamic Bayesian network |
| CN104600383A (en) * | 2013-10-30 | 2015-05-06 | 北汽福田汽车股份有限公司 | Battery pack electric quantity equalization method and apparatus thereof |
| CN104502855A (en) * | 2014-12-23 | 2015-04-08 | 广东电网有限责任公司电力科学研究院 | Method and system for detecting SOH (State Of Health) of lead-acid storage battery |
| CN104931893A (en) * | 2015-06-30 | 2015-09-23 | 上海交通大学 | Modeling method suitable for large-scale batteries that are obviously inconsistent in parameter |
Non-Patent Citations (1)
| Title |
|---|
| 锂离子电池组健康状况评估方法研究;陈杰;《中国优秀硕士学位论文全文数据库 工程科技II辑》;20150415(第4期);第C042-338页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105866698A (en) | 2016-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105866698B (en) | Consider the health status estimation method of the battery of battery consistency | |
| CN103389466B (en) | Charge storage element managing device, charge storage element bag, recording medium and SOC estimation methods | |
| CN104051810B (en) | A kind of lithium-ion energy storage battery system SOC estimates rapid correction method | |
| US9535132B2 (en) | Systems and methods for determining battery system performance degradation | |
| US20160011274A1 (en) | Battery life estimation method and battery life estimation apparatus | |
| EP2957921B1 (en) | Method and system for estimating soc of battery | |
| CN107247235A (en) | A kind of battery capacity evaluation method for considering batteries in parallel connection difference | |
| CN107015166A (en) | Method and computer-readable recording medium for estimating battery power status | |
| CN106019159B (en) | Lithium battery health status estimates update method | |
| CN106033112A (en) | System and method for estimating state of health using battery model parameter | |
| CN107765188A (en) | Cell health state acquisition methods | |
| CN109950643A (en) | The method of secondary battery system and the SOC for estimating secondary cell | |
| CN105911471A (en) | Device for calculating state-of-health parameters of electric automobile battery and method thereof | |
| US10629960B2 (en) | Method of recycling secondary battery and secondary battery system | |
| CN106814318A (en) | The method for determining the life-span of lithium ion battery and determining estimated life modifying factor | |
| CN103698716A (en) | Attenuation coefficient-based method for evaluating dischargeable electric quantity of series battery pack | |
| CN110462916A (en) | Charge storage element managing device and charge storage element management method | |
| Fuller | A battery model for constant-power discharge including rate effects | |
| CN106526495A (en) | Battery pack SOC evaluation method and battery pack SOC evaluation system | |
| Grolleau et al. | Predicting lithium-ion battery degradation for efficient design and management | |
| Marangoni | Battery management system for li-ion batteries in hybrid electric vehicles | |
| CN107091993B (en) | For estimating the device of battery power status | |
| CN107091994B (en) | For estimating the method and computer readable storage medium of battery SOC | |
| CN102565718A (en) | Method for judging state of charge (SOC) of lithium battery based on rising and dropping of open-circuit voltage | |
| KR20110087873A (en) | Apparatus and method for estimating state of charge of battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Battery health state estimation method considering battery consistency Effective date of registration: 20220506 Granted publication date: 20181120 Pledgee: China Construction Bank Corporation Hefei Shushan sub branch Pledgor: ANHUI RNTEC TECHNOLOGY Co.,Ltd. Registration number: Y2022980004761 |