WO2013179810A1 - Dispositif de commande de bloc-batterie, dispositif de source électrique et procédé de commande de bloc-batterie - Google Patents

Dispositif de commande de bloc-batterie, dispositif de source électrique et procédé de commande de bloc-batterie Download PDF

Info

Publication number
WO2013179810A1
WO2013179810A1 PCT/JP2013/061710 JP2013061710W WO2013179810A1 WO 2013179810 A1 WO2013179810 A1 WO 2013179810A1 JP 2013061710 W JP2013061710 W JP 2013061710W WO 2013179810 A1 WO2013179810 A1 WO 2013179810A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery
secondary battery
capacity
voltage
characteristic
Prior art date
Application number
PCT/JP2013/061710
Other languages
English (en)
Japanese (ja)
Inventor
耕平 本蔵
Original Assignee
株式会社 日立製作所
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社 日立製作所 filed Critical 株式会社 日立製作所
Publication of WO2013179810A1 publication Critical patent/WO2013179810A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H02J7/005—Detection of state of health [SOH]
    • 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]
    • G01R31/392—Determining battery ageing or deterioration, e.g. state of health
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • H02J7/0014—Circuits for equalisation of charge between batteries
    • H02J7/0019—Circuits for equalisation of charge between batteries using switched or multiplexed charge circuits
    • 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]
    • G01R31/396—Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

Definitions

  • the present invention relates to an assembled battery control device, a power supply device, and an assembled battery control method.
  • a battery pack composed of a secondary battery such as a lithium ion battery connected in series or in parallel is mounted on a vehicle such as a hybrid car as a power source for obtaining high output or high capacity. It is expected to be applied to applications such as power supplies for electric power storage and power supplies for smart houses.
  • a battery constructed by combining two types of secondary batteries having different characteristics from each other is known. In such an assembled battery, it is possible to give the assembled battery characteristics different from those of an assembled battery constructed with only a single type of secondary battery.
  • the unit price of the secondary battery is high at present, the reuse of the secondary battery is also being considered.
  • a utilization technique such as forming an assembled battery by combining single cells whose life as a vehicle traveling battery has been completed, and using it as a power storage power source at home.
  • Such an assembled battery may be composed of a plurality of battery types having different battery characteristics due to different deterioration states and specifications.
  • a battery group A in which a plurality of secondary batteries are connected in series and a battery group B in which a plurality of secondary batteries are connected in parallel are connected in series.
  • a method for detecting the charge / discharge state of the battery group A from the voltage B is described.
  • Patent Document 1 is effective for detecting the charge / discharge state of a battery having a small voltage change rate. For this reason, since a plurality of secondary batteries are used as the battery group B, the price of the assembled battery as a whole increases. . In addition, there is a problem that the deterioration state of the battery group A cannot be detected.
  • the present invention has been made in view of such problems, and in an assembled battery configured by combining a plurality of secondary batteries having different characteristics, the deterioration state is determined for each battery group having the same characteristics by a simple method. It is an object of the present invention to provide means for extending the life of an assembled battery by means or control based on a determination result.
  • a chargeable / dischargeable first secondary battery having a first characteristic and a chargeable / dischargeable second secondary battery having a second characteristic different from the first characteristic are connected in series or in parallel.
  • a storage unit configured to store a first characteristic, the number of first secondary batteries, the second characteristic, and the number of second secondary batteries included in the assembled battery
  • a voltmeter that detects the voltage of the battery pack, and a voltage change rate as a voltage difference with respect to the battery battery capacity difference or a capacity change rate as a battery battery voltage difference based on the output of the voltmeter.
  • a control unit that performs voltage change rate or capacity change rate, the first characteristic and the number of first secondary batteries, the second characteristic and the number of second secondary batteries, The deterioration rate of the first secondary battery and the deterioration rate of the second secondary battery based on Control of the assembled battery to be constant.
  • the storage unit holds the deterioration rate of the first secondary battery, the deterioration rate of the second secondary battery, and the determination date / time determined at two or more different dates / times.
  • the remaining life of the first secondary battery and the remaining life of the second secondary battery are determined based on the deterioration rate of the secondary battery, the deterioration rate of the second secondary battery, and the determination date and time.
  • a control apparatus for an assembled battery that outputs a detection signal when the remaining life of one secondary battery and the remaining life of a second secondary battery are smaller than a predetermined value.
  • control unit performs overcharge regions or overdischarges of the first secondary battery and the second secondary battery based on the deterioration rate of the first secondary battery and the deterioration rate of the second secondary battery.
  • a control device that determines a voltage region or a capacity region of an assembled battery corresponding to the region, and outputs a detection signal when the voltage or the capacity of the assembled battery is included in the voltage region or the capacity region.
  • control unit performs overcharge regions or overdischarges of the first secondary battery and the second secondary battery based on the deterioration rate of the first secondary battery and the deterioration rate of the second secondary battery.
  • a voltage range or a capacity region of the assembled battery corresponding to the region is determined, and when the voltage or the capacity of the assembled battery is included in the voltage region or the capacity region, the first secondary battery and the second secondary battery are Control device that outputs detection signals individually.
  • a control part is a switch based on a detection signal. And controlling the voltage of the first secondary battery and the second secondary battery so that both the first secondary battery and the second secondary battery are not included in the overcharge region or the overdischarge region.
  • a control device that equalizes the voltage of the secondary battery.
  • the first secondary battery and the second secondary battery flow through the switch connecting the positive electrodes and the negative electrodes of the second secondary battery, and the first secondary battery and the second secondary battery disposed in the vicinity of the switch.
  • An ammeter that detects current, and the control unit controls opening and closing of the switch.
  • the control unit controls opening and closing of the switch based on the detection signal, and the current value of the first secondary battery or the first
  • a power supply device having the above control device and an assembled battery.
  • a chargeable / dischargeable first secondary battery having a first characteristic and a chargeable / dischargeable second secondary battery having a second characteristic different from the first characteristic are connected in series or in parallel.
  • the assembled battery control method is configured to store the first characteristic, the number of first secondary batteries, the second characteristic, and the number of second secondary batteries included in the assembled battery by the storage unit.
  • a step of detecting the voltage of the assembled battery with a voltmeter, and a voltage change rate as a voltage difference with respect to the capacity difference of the assembled battery or a capacity with respect to the voltage difference of the assembled battery based on the output of the voltmeter by the control unit In the step of detecting the capacity change rate as a difference, and in the control unit, the voltage change rate or the capacity change rate, the first characteristic and the number of first secondary batteries, the second characteristic and the second secondary Degradation of the first secondary battery based on the number of batteries And the control method of an assembled battery and determining a deterioration rate of the second secondary battery, a.
  • FIG. 1 shows an example of an embodiment of a power supply device provided with a control device for an assembled battery according to the present invention.
  • a lithium ion secondary battery will be described as a secondary battery, but the present invention is not limited to this.
  • the control device 1100 includes an ammeter 10, a voltmeter 11, a control unit 100, a memory 110, and an output unit 120.
  • the assembled battery 1000 of this embodiment includes a battery group AA in which N batteries A (first secondary batteries), which are secondary batteries having a first characteristic, are connected in series, and two batteries having a second characteristic.
  • a battery group BB in which M batteries B (secondary secondary batteries) which are secondary batteries are connected in series is connected in series. Battery A and battery B have different characteristics.
  • An ammeter 10 that detects current flowing through the assembled battery 1000 is connected in series with the assembled battery 1000.
  • a voltmeter 11 for detecting the voltage of the assembled battery 1000 is connected in parallel with the assembled battery 1000.
  • battery A includes an active material that does not change phase due to charging / discharging of the lithium ion secondary battery
  • battery B includes an active material that changes phase due to charging / discharging of the lithium ion secondary battery.
  • a control unit 100 Based on the outputs of the voltmeter 11 and the ammeter 10, a control unit 100 is provided that calculates the voltage change rate (VvsdQ / dV) with respect to the capacity change of the assembled battery 1000 or the capacity change rate (QvsdV / dQ) with respect to the voltage change Yes.
  • a memory 110 storage unit
  • the control unit 100 determines the deterioration rate of each battery type constituting the assembled battery 1000, and the output unit 120 determines the result. Is output to an external circuit, an external device, or the like.
  • the relationship between the capacity QA of the battery A and the voltage change rate V′A at the time of configuring the assembled battery 1000 is measured in advance.
  • n data groups (QA1, V′A1), (QA2, V′A2), ... (QAn, V′An) are held in the memory 110.
  • the relationship between the capacity QB of the battery B and the voltage change rate V′B at the time when the assembled battery 1000 is configured is measured in advance.
  • m data groups QB1, V′B1), (QB2, V ′ B2), ..., (QBm, V'Bm
  • the number of data groups n and m is at least 2 or more, preferably 20 or more, and more preferably 50 or more.
  • the memory 110 holds the deterioration rates of the battery group AA and the battery group BB.
  • the definition of the deterioration rate can be arbitrarily determined, but here, the ratio between the full charge capacity W0 of the battery when the assembled battery 1000 is configured and the full charge capacity W of the battery when a certain time has elapsed.
  • the deterioration rate R is defined by (W / W0).
  • FIG. 2 is a schematic diagram showing the principle of determining the deterioration state of the battery. For simplicity, a case where one battery A and one battery B are connected in series is shown. A solid line, a broken line, and a dotted line indicate the relationship between the capacity of the assembled battery 1000, the battery A, and the battery B and the voltage change rate, respectively.
  • the capacity of the battery A is 0.60 Ah
  • the capacity of the battery B is 0.69 Ah.
  • the deterioration rates RA and RB of the battery A and the battery B are 1 respectively.
  • the capacity QAB of the assembled battery 1000 can be expressed as in (Equation 1) below.
  • V′AB V′A / RA + V′B / RB (Formula 2)
  • the deterioration rate is calculated from the relationship between the capacity QAB of the assembled battery 1000 and the voltage change rate V′AB.
  • RA and RB and capacity deviations ⁇ A and ⁇ B can be obtained.
  • the capacity can be adjusted for each battery group.
  • the capacity (and voltage) of the battery A alone increases, so that the battery pack capacity, the capacity of the battery A, and the capacity of the battery B Deviation occurs.
  • capacity deviations ⁇ A and ⁇ B as parameters representing this deviation, the capacity can be adjusted for each battery group.
  • FIG. 3 shows an example of a flowchart for obtaining the deterioration rates RA and RB and the capacity deviations ⁇ A and ⁇ B from the relationship between the capacity QAB of the assembled battery 1000 and the voltage change rate V′AB.
  • step 1 data groups (QAB1, V'AB1), (QAB2, V'AB2), ..., (QAB1, V'AB1) showing the relationship between the capacity QAB of the assembled battery 1000 and the voltage change rate V'AB. Is read. At this time, calculation is possible if the number l of data groups is twice or more the number of battery groups, here 4 or more, but 20 or more is desirable for accurate calculation, and 50 or more is more desirable. After reading the data group into the memory 110 in step 1, the process proceeds to step 2.
  • step 2 the battery A data groups (QA1, V′A1), (QA2, V′A2),..., (QAn, V′An) and the battery B data groups (QB1, V ′) held in the memory 110 are stored.
  • 'B1), (QB2, V'B2), ..., (QBm, V'Bm) are read.
  • n is the number of batteries A in the battery group AA
  • m is the number of batteries B in the battery group BB. Note that the order of step 1 and step 2 may be interchanged.
  • step 3 the deterioration rates RA and RB of the batteries A and B and the values of capacity deviations ⁇ A and ⁇ B are set.
  • the initial set value the value of the deterioration rate and the capacity shift at the most recent measurement time held in the memory 110 is desirable. However, any value can be used when such a value does not exist.
  • step 4 the capacity of the assembled battery 1000 is calculated based on (Equation 1) and (Equation 2) using the deterioration rate values and capacity deviation values of the batteries A and B, and the data groups of the batteries A and B.
  • a data group indicating the relationship between QAB and voltage change rate V′AB is formed.
  • the capacity in this data group may be arbitrarily determined, but for example, the capacity in the data group read in step 1 can be used.
  • the data group in this case is (QAB1, V'ABc1), (QAB2, V'ABc2), ..., (QAB1, V'ABcl), where V'ABc is the calculated voltage change rate of the assembled battery 1000. .
  • step 5 the degree of coincidence between the data group of the assembled battery 1000 read in step 1 and the data group of the assembled battery 1000 configured in step 4 is confirmed.
  • the confirmation method can be arbitrarily determined. For example, in both data groups, the square of the difference in voltage change rate corresponding to the same capacity QABi (V′ABi ⁇ V′ABci) 2 is taken, and this is expressed as 1 to 1 If the value R 2 obtained by summing up i is less than or equal to a certain value, a method that both data have a sufficient degree of coincidence, and that the value of R 2 does not decrease even if the parameter value is changed. And the method of changing the parameter value by a fixed number of trials and selecting the condition with the smallest R 2 among them. If it is determined that the degree of coincidence is not sufficient, the process returns to step 4 to set the values of the deterioration rates RA and RB and the capacity deviations ⁇ A and ⁇ B again.
  • the resetting method can be arbitrarily determined.
  • step 6 the deterioration rates RA and RB are output to the output unit 120. *
  • the deterioration rate for each type of secondary battery can be determined by a simple method without providing a voltmeter or ammeter for determining the deterioration rate in each battery group.
  • the memory of the control device stores the combination of the measurement date / time t, the deterioration rate R, and the capacity deviation ⁇ in addition to the stored data every time the control unit measures the deterioration rate of the battery group.
  • the data group (t1, RA1, RB1, ⁇ A1, ⁇ B1), (t2, RA2, RB2, ⁇ A2, ⁇ B2), ..., (tn, RAn, RBn, ⁇ An, ⁇ Bn) ).
  • the estimation method may be arbitrarily determined. For example, there are the following methods.
  • FIG. 4 shows the capacity change of the battery A and the battery B in the battery A and the battery B actually manufactured.
  • the capacity of each battery was calculated by multiplying the capacities QAn and QBm at the time of construction of the assembled battery by the deterioration rates RA and RB.
  • a detection signal indicating that the remaining life of each battery is smaller than a predetermined value is output to the output unit. For example, when the predetermined remaining life is 100 days, a detection signal for warning the remaining life of the battery B is output to an external circuit, an external device, or the like via the output unit.
  • the charge / discharge curve of the battery group constituting the assembled battery 3000 is calculated from the charge / discharge curve indicating the relationship between the capacity of the assembled battery 3000 and the voltage change rate, and the result is Based on this, the charge / discharge states of the battery group AA and the battery group BB can be controlled.
  • a configuration for this purpose is shown in FIG.
  • the positive electrodes of the battery group AA and the battery group BB are connected via the switch 1. Further, the negative electrodes of the battery group AA and the battery group BB are connected to each other via the switch 2 and an ammeter 30A arranged in the vicinity of the switch 2.
  • the ammeter 30 ⁇ / b> A may be disposed in the vicinity of the switch 1.
  • 30A of ammeters detect the electric current when forming a circuit only with battery group AA and battery group BB, ie, when equalizing a voltage by connecting the positive electrodes and negative electrodes of battery group AA and battery group BB. In this case, the current flowing out (flowing in) from the battery group AA is equal to the current flowing (flowing out) into the battery group BB.
  • Switch 3 is disposed between the negative electrode of battery group AA and the positive electrode of battery group BB.
  • the switch 1, the switch 2, and the switch 3 are opened and closed according to instructions from the control unit 300. Normally, switch 1 and switch 2 are open and switch 3 is closed.
  • the output of the ammeter 30B is sent to the control unit 300.
  • a voltmeter 31 that detects the voltage of the assembled battery 3000 is connected in parallel with the assembled battery 3000.
  • a memory 310 is disposed in the vicinity of the control unit 300, and the memory 310 holds the number and characteristics of each of the battery types that the assembled battery 3000 constitutes.
  • the control unit 300 determines the deterioration rate of each battery type constituting the assembled battery 3000 based on the information held in the memory 310 and the voltage change rate or the capacity change rate of the assembled battery 3000, and the output unit 320 determines the result. Is output to an external circuit, an external device, or the like.
  • the detection signals are individually output to the battery group AA and the battery group BB. Accordingly, overcharge / overdischarge can be prevented by stopping the use of the battery immediately upon receiving the detection signal. Also, only the battery group BB can be charged / discharged by outputting a detection signal, closing the switch 1 and opening the switch 2 and switch 3. If only one battery group is overcharged or overdischarged and the voltage can be leveled with the other battery group, switch 1 and switch 2 are closed and switch 3 is opened.
  • the voltages of the battery group AA and the battery group BB can be leveled so that both the battery group AA and the battery group BB are not included in the overcharge region or the overdischarge region.
  • leveling the voltages of the battery group AA and the battery group BB it is necessary to detect the current flowing through the individual battery groups. In that case, an ammeter is not attached to each battery group, but an ammeter 30A is attached to the part of the switch 1 or the switch 2 to equalize the voltages of the battery group AA and the battery group BB. Can be detected and sent to the controller 300 to stop at a desired capacity (cut off the current value).
  • the discharge curves of the battery group AA and the battery group BB can be calculated as follows.
  • the deterioration rates RA and RB and capacity deviations ⁇ A and ⁇ B obtained by the procedure of FIG. 3 and n data groups (QA1, V′A1), (QA2, V′A2) of the battery A held in the memory, ..., (QAn, V'An) and m data groups (QB1, V'B1), (QB2, V'B2), ..., (QBm, V'Bm) of battery B, New data group (RA ⁇ QA1 + ⁇ A, V′A1 / RA), (RA ⁇ QA2 + ⁇ A, V′A2 / RA),..., (RA ⁇ QAn + ⁇ A, V′An / RA) and a new data group for battery B (RB ⁇ QB1 + ⁇ B, V′B1 / RB), (RB ⁇ QB2 + ⁇ B, V′B2 / RB),
  • FIG. 6 shows discharge curves of the assembled battery, battery A, and battery B when the capacity of battery A is 0.55 Ah and the capacity of battery B is 0.59 Ah.
  • the voltage region or capacity region of the assembled battery corresponding to the overcharge region or overdischarge region of battery A and battery B is determined by the control unit. Yes.
  • the controller 300 stops the discharge.
  • the output of the voltmeter 31 falls below a predetermined voltage (the sum of the lower limit voltages of the battery group AA and the battery group BB) or the discharge amount calculated from the output of the ammeter 30B is the remaining capacity (this embodiment) In the example, the discharge is stopped when exceeding 0.04 Ah). This prevents overdischarge of the entire assembled battery.
  • the capacity deviations ⁇ A and ⁇ B are arbitrarily adjusted, and the discharge curves of the battery group A and the battery group B are combined to reconstruct the discharge curve of the assembled battery 3000. can do.
  • Control unit 110 30,A, 30B Ammeter 11, 31 Voltmeter 100, 300 Control unit 110, 310 Memory 120, 320 Output unit 1000, 3000 Assembly battery 1100 Control device

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Medical Informatics (AREA)
  • General Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Secondary Cells (AREA)
  • Tests Of Electric Status Of Batteries (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

L'invention concerne un moyen de détermination, par un procédé simple, d'un état de dégradation pour chaque groupe de cellules ayant les mêmes caractéristiques afin de commander correctement un bloc-batterie configuré par combinaison d'une pluralité de cellules secondaires ayant différentes caractéristiques. L'invention concerne un dispositif de commande d'un bloc-batterie configuré par connexion de premières cellules secondaires chargeables/déchargeables ayant une première caractéristique et de secondes cellules secondaires chargeables/déchargeables ayant une seconde caractéristique, le dispositif de commande d'un bloc-batterie étant pourvu : d'une unité mémoire pour stocker la première caractéristique et le nombre de premières cellules secondaires, et la seconde caractéristique et le nombre de secondes cellules secondaires ; d'un voltmètre pour détecter la tension du bloc-batterie ; d'une unité de commande pour détecter un taux de variation de tension ou un taux de variation de capacité sur la base de la sortie du voltmètre, le taux de dégradation des premières cellules secondaires et le taux de dégradation des secondes cellules secondaires étant déterminés dans l'unité de commande sur la base du taux de variation de tension et du taux de variation de capacité, de la première caractéristique et du nombre de premières cellules secondaires, et de la seconde caractéristique et du nombre de secondes cellules secondaires.
PCT/JP2013/061710 2012-05-29 2013-04-22 Dispositif de commande de bloc-batterie, dispositif de source électrique et procédé de commande de bloc-batterie WO2013179810A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012121478A JP5919093B2 (ja) 2012-05-29 2012-05-29 組電池の制御装置、電源装置、組電池の制御方法
JP2012-121478 2012-05-29

Publications (1)

Publication Number Publication Date
WO2013179810A1 true WO2013179810A1 (fr) 2013-12-05

Family

ID=49673017

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2013/061710 WO2013179810A1 (fr) 2012-05-29 2013-04-22 Dispositif de commande de bloc-batterie, dispositif de source électrique et procédé de commande de bloc-batterie

Country Status (2)

Country Link
JP (1) JP5919093B2 (fr)
WO (1) WO2013179810A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017221735A1 (fr) * 2016-06-22 2017-12-28 株式会社 村田製作所 Circuit de bloc-batterie, procédé de détection de coefficient de capacité et programme de détection de coefficient de capacité
CN110224422A (zh) * 2019-06-19 2019-09-10 合肥阳光新能源科技有限公司 储能系统的功率均衡方法、能量管理系统及协同管理系统
CN114207456A (zh) * 2019-12-11 2022-03-18 株式会社Lg新能源 用于诊断电池劣化程度的设备和方法
JP7501421B2 (ja) 2021-03-26 2024-06-18 トヨタ自動車株式会社 電源システム、及び制御装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102268638B1 (ko) * 2014-10-13 2021-06-23 현대모비스 주식회사 배터리 교체 시기 판단 시스템 및 방법
JP6971873B2 (ja) * 2018-02-06 2021-11-24 株式会社東芝 放射線測定システム、放射線測定装置、放射線モニタリングシステム及び放射線モニタリング方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008260346A (ja) * 2007-04-10 2008-10-30 Nissan Motor Co Ltd ハイブリッド電動車両用電源システムおよびその制御装置
WO2011045853A1 (fr) * 2009-10-14 2011-04-21 株式会社 日立製作所 Dispositif de commande de batterie et système d'entraînement de moteur
JP2012054019A (ja) * 2010-08-31 2012-03-15 Calsonic Kansei Corp バッテリ

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4083757B2 (ja) * 2005-04-15 2008-04-30 株式会社Ｎｔｔファシリティーズ 劣化判定装置及び方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008260346A (ja) * 2007-04-10 2008-10-30 Nissan Motor Co Ltd ハイブリッド電動車両用電源システムおよびその制御装置
WO2011045853A1 (fr) * 2009-10-14 2011-04-21 株式会社 日立製作所 Dispositif de commande de batterie et système d'entraînement de moteur
JP2012054019A (ja) * 2010-08-31 2012-03-15 Calsonic Kansei Corp バッテリ

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017221735A1 (fr) * 2016-06-22 2017-12-28 株式会社 村田製作所 Circuit de bloc-batterie, procédé de détection de coefficient de capacité et programme de détection de coefficient de capacité
CN109313235A (zh) * 2016-06-22 2019-02-05 株式会社村田制作所 组电池电路、容量系数检测方法、及容量系数检测程序
US10845419B2 (en) 2016-06-22 2020-11-24 Murata Manufacturing Co., Ltd. Assembled battery circuit, capacitance coefficient detection method, and capacitance coefficient detection program
CN110224422A (zh) * 2019-06-19 2019-09-10 合肥阳光新能源科技有限公司 储能系统的功率均衡方法、能量管理系统及协同管理系统
CN114207456A (zh) * 2019-12-11 2022-03-18 株式会社Lg新能源 用于诊断电池劣化程度的设备和方法
US11821960B2 (en) 2019-12-11 2023-11-21 Lg Energy Solution, Ltd. Apparatus and method for diagnosing degree of degradation of battery
CN114207456B (zh) * 2019-12-11 2024-04-12 株式会社Lg新能源 用于诊断电池劣化程度的设备和方法
JP7501421B2 (ja) 2021-03-26 2024-06-18 トヨタ自動車株式会社 電源システム、及び制御装置

Also Published As

Publication number Publication date
JP5919093B2 (ja) 2016-05-18
JP2013246109A (ja) 2013-12-09

Similar Documents

Publication Publication Date Title
JP5919093B2 (ja) 組電池の制御装置、電源装置、組電池の制御方法
KR102009734B1 (ko) 전기 배터리의 열화 상태 추정
Vezzini Lithium-ion battery management
US10483779B2 (en) Status determining method for secondary battery, status determining apparatus for secondary battery, secondary battery system, and charge/discharge control apparatus having status determining apparatus
JP6324248B2 (ja) 電池状態検知装置、二次電池システム、電池状態検知プログラム、電池状態検知方法
EP3002597B1 (fr) Dispositif de commande de batterie
CN106329632B (zh) 蓄电元件的充放电系统、劣化诊断方法和容量差计算方法
EP3410558A1 (fr) Dispositif de commande de batterie
JP6084225B2 (ja) 電池制御装置、二次電池システム
JP5621818B2 (ja) 蓄電システムおよび均等化方法
EP2963432A1 (fr) Dispositif d'évaluation de l'étendue des dégâts dans une cellule secondaire
JP6316690B2 (ja) 電池状態検知装置、二次電池システム、電池状態検知プログラム、電池状態検知方法
KR101825617B1 (ko) 배터리 사용 영역 가변 장치 및 방법
JP7067549B2 (ja) 蓄電素子管理装置及び蓄電素子管理方法
JPWO2016140152A1 (ja) 電池制御装置、および、車両システム
WO2015056068A1 (fr) Système accumulateur électrique
JP2015040832A (ja) 蓄電システム及び蓄電装置の満充電容量推定方法
CN102565716A (zh) 用于计算二次电池的残余容量的设备
CN105899395B (zh) 估定机动车辆电池中的能量
JP6648709B2 (ja) 電池モジュールの制御装置
US20130134943A1 (en) Method for balancing the voltages of electrochemical cells connected in several parallel branches
JP3371588B2 (ja) 二次電池の残存容量表示装置
CN110476073A (zh) 蓄电量估计装置、蓄电模块、蓄电量估计方法、和计算机程序
KR20160029054A (ko) 배터리 사용 영역 가변 장치 및 방법
WO2013057784A1 (fr) Dispositif de commande de batterie et système de batterie secondaire

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 13796251

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 13796251

Country of ref document: EP

Kind code of ref document: A1