WO2022044775A1 - Dispositif de stockage d'énergie et procédé de détermination de durée de vie - Google Patents

Dispositif de stockage d'énergie et procédé de détermination de durée de vie Download PDF

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Publication number
WO2022044775A1
WO2022044775A1 PCT/JP2021/029327 JP2021029327W WO2022044775A1 WO 2022044775 A1 WO2022044775 A1 WO 2022044775A1 JP 2021029327 W JP2021029327 W JP 2021029327W WO 2022044775 A1 WO2022044775 A1 WO 2022044775A1
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WO
WIPO (PCT)
Prior art keywords
inspection
inspection data
power storage
life
battery
Prior art date
Application number
PCT/JP2021/029327
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English (en)
Japanese (ja)
Inventor
速人 田和
大助 小西
Original Assignee
株式会社Ｇｓユアサ
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Ｇｓユアサ filed Critical 株式会社Ｇｓユアサ
Publication of WO2022044775A1 publication Critical patent/WO2022044775A1/fr

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    • 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]
    • G01R31/367—Software therefor, e.g. for battery testing using modelling or look-up tables
    • 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
    • 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
    • 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

Definitions

  • the present invention relates to a technique for determining the life of a storage cell.
  • Patent Document 1 has the following description regarding the charge / discharge life determination control device for the secondary battery.
  • Charging / discharging is detected by detecting the terminal voltage of the battery unit with a voltmeter, the charging / discharging number is stored in the charge / discharge count detection storage unit, and the charge / discharge count is displayed on the alarm display unit.
  • the charge / discharge count comparison control circuit compares the detected charge / discharge count with the preset charge / discharge life count, and when the difference becomes zero, the alarm display unit issues a warning and the battery main circuit cutoff operation circuit.
  • the battery main circuit cutoff switch is opened to cut off the discharge path of the battery unit.
  • the problem is to determine the life of the storage cell without using the information on the frequency of use (charge / discharge frequency) of the storage cell.
  • the power storage device includes a power storage cell, an input unit for inputting inspection data regarding the life of the power storage cell measured using an inspection device, a storage unit for storing the input inspection data as an inspection history, and a control unit.
  • the control unit includes the input current inspection data and the past inspection data stored as the inspection history in the storage unit. Based on the above, the life of the storage cell is determined.
  • the above technology can be applied to the method of determining the life of the storage cell.
  • the life of the storage cell can be determined without knowing the frequency of use of the storage cell.
  • FIG. 1 An exploded perspective view of the battery Plan view of secondary battery cell Cross section of secondary battery cell Battery schematic Diagram showing aircraft and airport Circuit diagram of battery and inspection device Circuit diagram of battery and inspection device Circuit diagram of battery and inspection device Discharge capacity inspection sequence The figure which shows the inspection history of the discharge capacity C The figure which shows the life curve of a secondary battery cell
  • the power storage device includes a power storage cell, an input unit for inputting inspection data regarding the life of the power storage cell measured using an inspection device, a storage unit for storing the input inspection data as an inspection history, and a control unit.
  • the control unit includes the input current inspection data and the past inspection data stored as the inspection history in the storage unit. Based on the above, the life of the storage cell is determined.
  • the life of the storage cell is determined based on the current inspection data and the past inspection data stored as the inspection history in the storage unit. Since the life of the storage cell is determined from the accumulated inspection data, the life of the storage cell can be determined even if the usage status and frequency of use of the storage cell during the inspection are not known.
  • the inspection data is stored in the inspection device, only the inspection result performed by the inspection device can be reflected in the life judgment, so that there is a problem in the life judgment accuracy. This is especially noticeable when the inspection cycle is long or when there are multiple inspection instruments used for inspection.
  • the inspection data can be accumulated in the storage unit and reflected in the life determination. Therefore, it is possible to store a large amount of inspection data as compared with the case where the inspection data is stored in the inspection device, so that the life of the power storage device can be determined with high accuracy.
  • the storage unit stores a plurality of inspection data measured at a plurality of maintenance sites as an inspection history
  • the control unit stores the current inspection data input to the input unit and the inspection history in the storage unit.
  • the life of the power storage cell may be determined based on a plurality of inspection data measured at a plurality of stored maintenance sites.
  • the control unit may obtain a life curve showing the time transition of the inspection data based on the current inspection data and the past inspection data, and determine the life of the storage cell from the obtained life curve. In this configuration, it is possible to predict the change over time of the inspection data from the life curve and determine the replacement time of the storage cell.
  • the control unit may update the life curve of the storage cell based on the current inspection data and the inspection data performed in the past each time the inspection data of the storage cell is input.
  • the number of inspections of the storage cell increases, the number of data increases and the accuracy of the life curve increases. Therefore, the life of the storage cell can be determined with high accuracy.
  • the input unit is a communication unit capable of communicating with the inspection device, and may receive the inspection data from the inspection device by communication. With this configuration, it is not necessary for the operator to input the inspection data into the power storage device, so that the burden on the operator can be reduced.
  • the battery 50 includes an assembled battery 60, a circuit board unit 65, and an accommodating body 71.
  • the housing body 71 includes a main body 73 made of a synthetic resin material and a lid body 74.
  • the main body 73 has a bottomed tubular shape.
  • the main body 73 includes a bottom surface portion 75 and four side surface portions 76.
  • An upper opening 77 is formed at the upper end portion by the four side surface portions 76.
  • the accommodating body 71 accommodates the assembled battery 60 and the circuit board unit 65.
  • the assembled battery 60 has 12 secondary battery cells 62.
  • the 12 secondary battery cells 62 are connected in 3 parallels and 4 in series.
  • the circuit board unit 65 is arranged above the assembled battery 60.
  • three secondary battery cells 62 connected in parallel are represented by one battery symbol.
  • the secondary battery cell 62 is an example of a “storage cell”.
  • the lid 74 closes the upper opening 77 of the main body 73.
  • An outer peripheral wall 78 is provided around the lid 74.
  • the lid body 74 has a protrusion 79 having a substantially T-shape in a plan view.
  • the external terminal 51 of the positive electrode is fixed to one corner, and the external terminal 52 of the negative electrode is fixed to the other corner.
  • the battery 50 supplies electric power to the loads connected to the positive and negative external terminals 51 and 52.
  • the secondary battery cell 62 contains an electrode body 83 together with a non-aqueous electrolyte in a rectangular parallelepiped case 82.
  • the secondary battery cell 62 is, for example, a lithium ion secondary battery.
  • the case 82 has a case body 84 and a lid 85 that closes an opening above the case body 84.
  • the electrode body 83 is porous between the negative electrode element in which the active material is applied to the base material made of copper foil and the positive electrode element in which the active material is applied to the base material made of aluminum foil.
  • a separator made of a resin film is arranged.
  • the positive electrode terminal 87 is connected to the positive electrode element via the positive electrode current collector 86, and the negative electrode terminal 89 is connected to the negative electrode element via the negative electrode current collector 88.
  • the positive electrode current collector 86 and the negative electrode current collector 88 include a flat plate-shaped pedestal portion 90 and leg portions 91 extending from the pedestal portion 90. A through hole is formed in the pedestal portion 90.
  • the leg 91 is connected to a positive electrode element or a negative electrode element.
  • the positive electrode terminal 87 and the negative electrode terminal 89 include a terminal main body portion 92 and a shaft portion 93 protruding downward from the center portion of the lower surface thereof.
  • the terminal body portion 92 and the shaft portion 93 of the positive electrode terminal 87 are integrally molded of aluminum (single material).
  • the terminal body portion 92 is made of aluminum and the shaft portion 93 is made of copper, and these are assembled.
  • the terminal body 92 of the positive electrode terminal 87 and the negative electrode terminal 89 is arranged at both ends of the lid 85 via a gasket 94 made of an insulating material, and is exposed to the outside from the gasket 94.
  • the lid 85 has a pressure release valve 95. As shown in FIG. 2, the pressure release valve 95 is located between the positive electrode terminal 87 and the negative electrode terminal 89. When the internal pressure of the case 82 exceeds the limit value, the pressure release valve 95 is opened to reduce the internal pressure of the case 82.
  • the electrical configuration of the battery 50 will be described with reference to FIG.
  • the battery 50 includes an assembled battery 60, a shutoff device 53, and a management device 100.
  • the assembled battery 60 is composed of a plurality of secondary battery cells 62 connected in series.
  • the secondary battery cell 62 may be a lithium ion secondary battery cell.
  • the secondary battery cell 62 is an example of the "storage cell" of the present invention.
  • the positive electrode of the assembled battery 60 is connected to the external terminal 51 of the positive electrode by the power line 55P.
  • the negative electrode of the assembled battery 60 is connected to the external terminal 52 of the negative electrode by the power line 55N.
  • the battery 50 supplies electric power to the load R connected to the external terminals 51 and 52. When a charger is connected to the external terminals 51 and 52, it can be charged from the charger.
  • the cutoff device 53 is located on the positive electrode of the assembled battery 60 and is provided on the power line 55P of the positive electrode.
  • the cutoff device 53 can be configured by a relay, an FET, or the like.
  • the cutoff device 53 is arranged on the circuit board unit 65 and is housed in the housing body 71.
  • the shutoff device 53 is normally controlled to the CLOSE state (normally close). If there is an abnormality in the battery 50, the battery 50 can be protected by cutting off the current using the cutoff device 53.
  • the management device 100 includes a control unit 111 including a CPU and the like, a storage unit 113, and a communication unit 115.
  • the management device 100 manages the battery 50.
  • the management items of the battery 50 by the management device 100 include management of the charging state such as SOC and management of the usage state of the battery 50.
  • the control of the usage state is whether the battery 50 is used within an appropriate usage range with respect to voltage, voltage, and temperature.
  • the management device 100 manages the life T of the assembled battery 60.
  • the storage unit 113 stores data used for managing the battery 50.
  • the data includes data for determining the life T of the assembled battery 60 and a program for executing an inspection sequence for determining the life T.
  • the program can be stored in a recording medium such as a CD-ROM and transferred.
  • the program can also be delivered using a telecommunication line.
  • the battery 50 can be mounted on a moving body such as an aircraft 10 or a ship and used as a power source for equipment mounted on the aircraft 10 or a ship.
  • Mobile objects may be inspected for the equipment on board on a regular basis. For example, in the case of an aircraft, as shown in FIG. 5, the equipment is inspected by removing it from the aircraft 10 at the maintenance site MT of the airport AP.
  • the maintenance site MT is provided at multiple airport APs, and equipment inspection may be performed at multiple airport APs, not limited to a specific maintenance site MT. Inspection of the equipment includes inspection of the battery 50.
  • the discharge capacity C [Ah] is the amount of electricity discharged by the assembled battery 60 from the full charge to the discharge end voltage.
  • the discharge end voltage is the minimum value of the discharge voltage at which discharge can be safely performed.
  • Each maintenance site MT of each airport AP is equipped with an inspection device 150 having the same structure, and the discharge capacity C [Ah] of the assembled battery 60 can be measured at any maintenance site MT.
  • the discharge capacity C [Ah] decreases as the assembled battery 60 deteriorates, it has a correlation with the life of the assembled battery 60.
  • the discharge capacity C [Ah] is an example of inspection data regarding the life of the assembled battery 60.
  • the inspector 150 includes a pair of connection terminals 151 and 152, a current sensor 160, a charging circuit 170, a discharge circuit 180, and a control device 200.
  • the charging circuit 170 includes a first switch 171 and a charger 173.
  • the first switch 171 and the charger 173 are connected in series.
  • the discharge circuit 180 includes a second switch 181 and a discharge resistance 183.
  • the second switch 181 and the discharge resistor 1833 are connected in series.
  • the charging circuit 170 and the discharging circuit 180 are connected in parallel.
  • One connection point P1 of the charging circuit 170 and the discharging circuit 180 is connected to the positive electrode connection terminal 151 via the power line 155P, and the other connection point P2 is connected to the negative electrode connection terminal 152 via the power line 155N. It is connected to the.
  • the current sensor 160 is located at the power line 155P of the positive electrode and measures the current flowing through the power line 155P.
  • the current sensor 160 is not limited to the power line 155P of the positive electrode, but may be arranged in the power line 155N of the negative electrode.
  • the battery 50 can be connected to the inspection device 150.
  • the charging circuit 170 of the inspection device 150 can be connected to the battery 50 by switching the first switch 171 on and the second switch 181 off (see FIG. 7).
  • the discharge circuit 180 of the inspection device 150 can be connected to the battery 50 by switching the first switch 171 off and the second switch 181 on. reference).
  • the control device 200 is connected to the positive electrode connection terminal 151 via the signal line L1, and the voltage V of the positive electrode connection terminal 151 (the terminal voltage of the positive electrode of the battery 50) is taken in. It is also connected to the current sensor 160 via the signal line L2, and the measured value Ib of the current sensor 160 is taken in.
  • the control device 200 has a communication unit 215 and can communicate with the battery 50. Communication with the battery 50 is not limited to the specific inspection device 150 installed in the specific maintenance site M, but can be performed by the inspection device 150 installed in any maintenance site M.
  • the battery 50 and the inspection device 150 shown in FIG. 6 are connected to each other by a communication line L3 for communication, but the communication between the battery 50 and the inspection device 150 may be wireless communication.
  • the battery 50 removed from the aircraft 10 is connected to the inspection device 150 installed in the maintenance site MT of the airport AP. Specifically, the external terminals 51 and 52 of the battery 50 and the connection terminals 151 and 152 of the inspection device 150 are connected, and further, the communication unit 115 of the battery 50 and the communication unit 215 of the inspection device 150 are connected by the communication line L3. ..
  • the communication line L3 is connected using a detachable connector.
  • the control device 200 of the inspection device 150 can detect that the battery 20 is connected to the inspection device 150 by connecting the communication line L3.
  • the connection of the battery 50 is not limited to the connection of the communication line L3, and can be determined by the terminal voltage V of the connection terminal 151.
  • control device 200 When the control device 200 detects the connection of the battery 50, it executes the discharge capacity inspection sequence shown in FIG. In the state before the inspection sequence is executed, both the first switch 171 and the second switch 181 are controlled to be off.
  • the control device 200 starts the inspection sequence, first, the first switch 171 is switched on and the second switch 181 is switched off, and the charging circuit 170 is connected to the battery 50 (see FIG. 7).
  • control device 200 passes a charging current Ia from the charging circuit 170 to the assembled battery 60 to charge the assembled battery 60 until it is fully charged (S10).
  • the detection of full charge can be determined from the voltage V of the connection terminal 151, the magnitude of the charge current Ia, and the like.
  • control device 200 When the control device 200 detects that the assembled battery 60 is fully charged, the control device 200 switches the first switch 171 off and the second switch 181 on, thereby connecting the discharge circuit 180 to the battery 50 (see FIG. 8).
  • a discharge current Ib flows from the fully charged assembled battery 60 to the discharge circuit 180, and the assembled battery 60 is discharged.
  • the discharge current Ib of the assembled battery 60 is measured by the current sensor 160, and the data is taken into the control device 200.
  • the control device 200 monitors the voltage V of the connection terminal 151 during the discharge of the assembled battery 60, and when the voltage V of the connection terminal 151, that is, the terminal voltage V of the battery 50 drops to a predetermined discharge end voltage, the second switch.
  • the 181 is switched from on to off to stop the discharge. As a result, the assembled battery 60 can be discharged to the discharge end voltage (S20).
  • the control device 200 can measure the discharge capacity C [Ah] of the assembled battery 60 by integrating the discharge current Ib from the start of discharge with full charge to the discharge end voltage.
  • the control device 200 transmits the data together with the measurement date and time and the maintenance site information to the battery 50 via the communication line L3 (S30).
  • the battery 50 When the battery 50 receives the measurement result of the discharge capacity C [Ah] from the inspection device 150, the battery 50 receives the current discharge capacity C [Ah] and the past discharge capacity C [Ah] stored in the storage unit 113 as the inspection history. ], The life of the assembled battery 60 is determined (S40).
  • FIG. 10 is an example of the inspection history of the discharge capacity C stored in the storage unit 113 of the battery 50.
  • the inspection history can be composed of items such as the measurement date and time, the maintenance site, and the measured value of the discharge capacity C.
  • the inspection has been executed twice in the past, and three data of discharge capacities C0 to C2 are stored in the storage unit 113 as the inspection history.
  • C0 is the initial value of the discharge capacity
  • C1 is the discharge capacity measured at the maintenance site M1 at the time of the first inspection
  • C2 is the discharge capacity measured at the maintenance site M2 at the time of the second inspection.
  • the control unit 111 has a discharge capacity C [from the past discharge capacities C0 to C2 stored in the storage unit 113 and the current discharge capacity C3 measured in the current (third) inspection.
  • the life curve LT showing the time transition of [Ah] is obtained.
  • the life curve LT may be a curve or a straight line as long as it approximates the time transition of the discharge capacity C [Ah].
  • the control unit 111 calculates the life T of the assembled battery 60 from the calculated life curve LT.
  • the life T is a period until the discharge capacity C drops from the current value C3 to the threshold value Cx.
  • the threshold value Cx is the usage limit value (minimum value) of the discharge capacity C.
  • control unit 111 determines the length of the obtained life T (S50). The control unit 111 determines that the battery 50 can be used when the life T exists for a predetermined period or longer (S50: YES).
  • the control unit 111 determines that the battery 50 can be used, the current discharge capacity C3 [Ah] measured in the third inspection is stored in the storage unit 113 together with the measurement date and time and the maintenance site (for example, the maintenance site M1). And store it as an inspection history (S60).
  • the control unit 111 then sends a charge command for the battery 50 to the inspection device 150.
  • the inspection device 150 When the inspection device 150 receives a charging command from the battery 50, the first switch 171 is turned on and the second switch 181 is turned off, the charging circuit 170 is connected to the battery 50, and the battery 50 is charged (S70). ..
  • the charged battery 50 After charging the battery 50, by removing it from the inspection device 150, the charged battery 50 can be mounted on the aircraft 10 and used.
  • the next inspection (fourth time) is performed at the maintenance site MT of one of the space APs where the aircraft 10 stays, and the discharge capacity C4 is performed by the inspection device 150 connected to the battery 50. [Ah] is remeasured.
  • the discharge capacities C1 to C3 measured during the first to third inspections are stored in the storage unit 113 of the battery 50 as the inspection history.
  • the battery 50 recalculates the life curve LT showing the time transition of the discharge capacity C [Ah] based on the data of the discharge capacities C0 to C3 stored in the storage unit 113 and the data of the remeasured discharge capacities C4. ,Update. Then, the life T of the assembled battery 60 is calculated from the updated life curve LT.
  • the data of the discharge capacity C measured in the past is cumulatively accumulated in the storage unit 113 of the battery 50 (FIG. 10).
  • the control unit 111 determines that the battery 50 cannot be used when it is less than a predetermined period (S50: No), and notifies the replacement of the battery 50.
  • a command is sent from the battery 50 to the inspection device 150, and a message prompting the replacement of the battery 50 is displayed on the display unit 220 of the inspection device 150.
  • the life T of the assembled battery 60 can be determined even if the frequency of use of the assembled battery 60 and the usage environment (mainly temperature) are not known.
  • the battery 50 is communicated with the inspection device 150, and the battery 50 can acquire the discharge capacity C [Ah] by communication. Therefore, it is not necessary to manually input the data of the inspected discharge capacity C [Ah] to the battery 50, and the burden on the operator can be reduced.
  • a secondary battery cell is shown as an example of the storage cell.
  • the storage cell may be a capacitor or the like.
  • the storage cell is not limited to a plurality of cells, but may be a single cell. A plurality of cells may be connected in series and parallel.
  • the battery 50 is used for an aircraft or a ship. Besides this, it can also be used for vehicles and railways. The usage of the battery 50 is not limited to that of a mobile body. If it is to be inspected regularly to determine its life, it can also be used for stationary purposes such as an uninterruptible power supply or a power storage device for a power generation system.
  • the discharge capacity C [Ah] was measured as the inspection data of the secondary battery cell 62.
  • the inspection data is not limited to the discharge capacity C [Ah].
  • Other data may be used as long as the data has a correlation with the life of the assembled battery 60.
  • it may be an internal resistance.
  • the internal resistance may be obtained from the terminal voltage V and the current Ib of the battery 50.
  • the battery 50 receives the inspection data (discharge capacity) inspected by the inspection device 150 by communication.
  • the method of passing inspection data is not limited to communication.
  • the battery 50 may be provided with a connection port (an example of an input unit) to which an electronic medium such as a USB memory can be connected, and inspection data may be input via the electronic media.
  • the life curve LT showing the time transition of the discharge capacity C is obtained from the data of the current discharge capacity C and the data of the past discharge capacity C stored as the inspection history in the storage unit 113. ..
  • the life of the assembled battery 60 was determined from the obtained life curve LT. If the life of the assembled battery 60 can be determined from the data of the current discharge capacity C and the data of the past discharge capacity C stored in the storage unit 113 as the inspection history, a method different from the life curve LT can be determined. Then, the life of the assembled battery 60 may be determined. For example, the life T may be determined by obtaining the rate of decrease of the discharge capacity C with respect to time and predicting the time transition of the discharge capacity C.

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

Abstract

Un dispositif de stockage d'énergie (50) comprend : une cellule de stockage d'énergie (62) ; une unité d'entrée (115) dans laquelle des données d'inspection concernant une durée de vie de la cellule de stockage d'énergie (62) mesurées à l'aide d'un instrument d'inspection (150) sont entrées ; une unité de mémoire (113) qui mémorise les données d'inspection entrées comme historique d'inspection ; et une unité de commande (111). L'unité de commande (111) détermine, lorsque les données d'inspection de la cellule de stockage d'énergie sont entrées dans l'unité d'entrée (115), la durée de vie de la cellule de stockage d'énergie (62) sur la base des données d'inspection entrées actuellement et des données d'inspection passées mémorisées comme historique d'inspection dans l'unité de mémoire (113).
PCT/JP2021/029327 2020-08-26 2021-08-06 Dispositif de stockage d'énergie et procédé de détermination de durée de vie WO2022044775A1 (fr)

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JP2020-142526 2020-08-26
JP2020142526A JP2022038172A (ja) 2020-08-26 2020-08-26 蓄電装置、寿命判断方法

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KR102615678B1 (ko) * 2023-04-27 2023-12-20 켄코아에비에이션 주식회사 유무인 비행체용 충전 및 진단 검사 통합 방법, 장치 및 시스템

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