WO2023106582A1 - 배터리 수명 예측 장치 및 그것의 동작 방법 - Google Patents
배터리 수명 예측 장치 및 그것의 동작 방법 Download PDFInfo
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- WO2023106582A1 WO2023106582A1 PCT/KR2022/014848 KR2022014848W WO2023106582A1 WO 2023106582 A1 WO2023106582 A1 WO 2023106582A1 KR 2022014848 W KR2022014848 W KR 2022014848W WO 2023106582 A1 WO2023106582 A1 WO 2023106582A1
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- 238000000034 method Methods 0.000 title claims description 16
- 230000015654 memory Effects 0.000 description 15
- 238000011017 operating method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000004590 computer program Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
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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]
- G01R31/385—Arrangements for measuring battery or accumulator variables
- G01R31/3865—Arrangements for measuring battery or accumulator variables related to manufacture, e.g. testing after manufacture
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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]
- G01R31/392—Determining battery ageing or deterioration, e.g. state of health
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16533—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application
- G01R19/16538—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies
- G01R19/16542—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies for batteries
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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]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
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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]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
- G01R31/3835—Arrangements for monitoring battery or accumulator variables, e.g. SoC involving only voltage measurements
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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
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- 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 claims the benefit of priority based on Korean Patent Application No. 10-2021-0176327 filed on December 10, 2021, and includes all contents disclosed in the literature of the Korean patent application as part of this specification.
- Embodiments disclosed in this document relate to an apparatus for predicting battery life and an operation method thereof.
- the secondary battery is a battery capable of charging and discharging, and includes all of the conventional Ni/Cd batteries, Ni/MH batteries, and recent lithium ion batteries.
- lithium ion batteries have the advantage of much higher energy density than conventional Ni/Cd batteries and Ni/MH batteries.
- lithium ion batteries can be manufactured in a small size and light weight, so they are used as a power source for mobile devices. Recently, the use range has been expanded as a power source for electric vehicles, and it is attracting attention as a next-generation energy storage medium.
- Recent batteries have a fast charging function. Since the rapid charging time is proportional to the cycle life of the battery, the shorter the rapid charging time, the shorter the cycle life of the battery. Therefore, predicting the cycle life of a battery according to a charging protocol can be important. Since a long-term test is required due to the nature of the cycle life of a battery, a method of predicting the cycle life of a battery based on an initial cycle is required.
- An object of the embodiments disclosed in this document is to provide a battery life predicting device capable of predicting a cycle life of a battery when the battery is charged according to a charging protocol and an operation method thereof.
- An object of the embodiments disclosed in this document is to provide a battery life predicting device capable of predicting a cycle life of a battery based on an initial cycle of the battery according to a charging protocol and an operation method thereof.
- One object of the embodiments disclosed in this document is a battery life prediction device capable of predicting the life of a battery when using a fast charging protocol in which it is impossible to predict the cycle life of a battery by looking at the existing capacity retention trend, and It is to provide a way to operate it.
- An apparatus for predicting battery life according to an embodiment disclosed in this document.
- An information acquisition unit that acquires information about a charging end voltage of a battery corresponding to the charging protocol, and the battery corresponding to the charging protocol based on the information about the charging end voltage of the battery corresponding to the charging protocol. It may include a controller that predicts the lifespan of
- the controller may linearly fit the charging end voltage of the battery corresponding to the charging protocol for each charging cycle of the battery.
- the controller may predict a cycle reaching a driving end voltage as a life span of the battery based on the linear fitting graph.
- the driving termination voltage may be 4.2V.
- the controller may select a specific section of the charging cycle of the battery, and perform a linear fit of a charging end voltage of the battery in the specific section.
- the specific period may be a period between 100 and 200 cycles.
- the controller can predict the number of cycles it is possible to charge the battery.
- the battery when the battery is charged based on a plurality of charging protocols, it may further include a lifespan comparing unit for comparing the lifespan of the battery.
- the life comparison unit may compare each of the plurality of charging protocols based on the predicted lifespan of the battery corresponding to each of the plurality of charging protocols.
- the charging protocol may be set to information about a current for charging the battery step by step according to a time required to charge the battery.
- a method of operating an apparatus for predicting battery life includes obtaining information about a charging end voltage of a battery corresponding to a charging protocol, and information about a charging end voltage of the battery corresponding to the charging protocol.
- the method may include predicting a lifespan of the battery corresponding to the charging protocol based on the information.
- the step of predicting the lifespan of the battery corresponding to the charging protocol based on information about the charging termination voltage of the battery corresponding to the charging protocol may include charging termination of the battery corresponding to the charging protocol. and linearly fitting the voltage for each charging cycle of the battery.
- predicting the lifespan of the battery corresponding to the charging protocol based on information about the charging end voltage of the battery corresponding to the charging protocol may include the driving end voltage based on the linear fitting graph.
- the method may further include estimating a cycle to reach as a lifespan of the battery.
- the step of predicting the lifespan of the battery corresponding to the charging protocol based on information about the charging end voltage of the battery corresponding to the charging protocol includes selecting a specific section of a charging cycle of the battery. and performing a linear fitting of the charging end voltage of the battery in the specific section.
- An apparatus for predicting battery life and an operating method thereof according to an embodiment disclosed in this document may predict cycle life of a battery according to each charging protocol.
- An apparatus for predicting battery life and an operating method thereof may predict cycle life of a battery based on an initial cycle when a battery is charged through a charging protocol.
- An apparatus for predicting battery life and an operation method thereof according to an embodiment disclosed in this document may predict the life of a battery by linear fitting a charging end voltage according to a charging cycle of the battery.
- FIG. 1 is a block diagram showing an apparatus for predicting battery life according to an embodiment disclosed in this document.
- FIG. 2 is a diagram showing a charging end voltage of a battery according to an embodiment disclosed in this document.
- FIG. 3 is a flowchart illustrating an operating method of an apparatus for predicting battery life according to an embodiment disclosed in this document.
- 4 and 5 are flowcharts showing in detail an operating method of the apparatus for predicting battery life according to an embodiment disclosed in this document.
- FIG. 6 is a block diagram illustrating a hardware configuration of a computing system for performing a method of operating an apparatus for predicting battery life according to an embodiment disclosed in this document.
- FIG. 1 is a block diagram showing an apparatus for predicting battery life according to an embodiment disclosed in this document.
- an apparatus 100 for predicting battery life may include an information acquisition unit 110 and a controller 120 .
- the battery life prediction device 100 may further include a life comparison unit 130 .
- the information acquisition unit 110 may obtain information about a charging end voltage of a battery corresponding to a charging protocol. For example, when charging a battery based on a charging protocol, the information acquisition unit 110 may obtain information about a charging end voltage of the battery for each charging cycle.
- the charging protocol may be set to information about current for charging the battery step by step according to the time required to charge the battery.
- the charging protocol may be set to a C-rate for each charging depth of the battery.
- the C-rate may mean the degree of current at which the battery cells are charged for each step.
- the controller 120 may predict the lifespan of the battery corresponding to the charging protocol based on the information about the charging end voltage of the battery corresponding to the charging protocol. For example, the controller 120 may predict a cycle life of a battery corresponding to a charging protocol. In one embodiment, the controller 120 can predict the number of cycles over which the battery can be charged with the charging protocol.
- the controller 120 may predict a cycle reaching the driving end voltage as a life span of the battery based on the linear fitting graph.
- the driving termination voltage may be a voltage at which it is impossible to rapidly charge the battery any more.
- the driving end voltage may be set to 4.2V.
- the specific section may be a section between 100 and 200 cycles. However, it is not limited thereto, and the specific interval may be between n and m cycles, n and m may both be natural numbers, and m may have a value greater than n.
- the controller 200 may calculate a cycle reaching the driving end voltage based on a graph obtained by linear fitting the charge end voltage of the battery in a specific section, and the corresponding cycle may be predicted as a cycle life of the battery. .
- FIG. 2 is a diagram showing a charging end voltage of a battery according to an embodiment disclosed in this document.
- the charging end voltage 10 of the 21-minute charging protocol is formed in a section higher than the charging end voltage 20 of the 25-minute charging protocol.
- the rate of change is similar to that of the charge end voltage 20 of the 25-minute charge protocol, but it can be seen that the charge end voltage is formed higher in the first cycle.
- the reason why the charge termination voltage of the 21-minute charging protocol in the first cycle is higher than that of the 25-minute charging protocol may be because the charging time is absolutely shortened.
- the reason why the rate of change of the charge end voltage 10 of the 21-minute charging protocol and the charge end voltage 20 of the 25-minute charging protocol are similar is that only the charging protocol is different for the same battery, so the charge transfer resistance This may be because the diffusion resistance is similar to that of .
- the battery life prediction device 100 may determine a cycle in which the charging end voltage 10 of the 21-minute charging protocol reaches the driving end voltage (4.2V) as 500 charging cycles. That is, when the battery is charged based on the 21-minute charging protocol, the life of the battery may be determined to be 500 charging cycles.
- the battery life predicting device 100 may determine a cycle in which the charging end voltage 20 of the 25-minute charging protocol reaches the driving end voltage (4.2V) as 1200 charging cycles. That is, when the battery is charged based on the 25-minute charging protocol, the life of the battery may be determined to be 1200 charging cycles.
- the battery life prediction device 100 can determine the cycle life of the battery based on the initial charging cycle of the battery, time for determining the cycle life of the battery can be saved and the cycle life of the battery can be more accurately determined. there is.
- the apparatus 100 for predicting battery life may further include a life comparison unit 130 .
- the life comparison unit 130 may compare the lifespan of the battery when the battery is charged based on a plurality of charging protocols. For example, the life comparator 130 may compare the cycle life of the battery when the battery is charged using the 21-minute charging protocol and the cycle life of the battery when the battery is charged using the 25-minute charging protocol. there is.
- the life comparison unit 130 may compare each of the plurality of charging protocols based on the predicted lifespan of a battery corresponding to each of the plurality of charging protocols.
- the life comparison unit 130 may determine a charging protocol having a corresponding charging cycle life according to the number of charging cycles set by the user. In this case, the life comparison unit 130 may guide the corresponding charging protocol to the user.
- An apparatus for predicting battery life according to an embodiment disclosed in this document may predict cycle life of a battery according to each charging protocol.
- An apparatus for predicting battery life may predict cycle life of a battery based on an initial cycle when the battery is charged through a charging protocol.
- An apparatus for predicting battery life according to an embodiment disclosed in this document may predict the life of a battery by linear fitting a charging end voltage according to a charging cycle of the battery.
- FIG. 3 is a flowchart illustrating an operating method of an apparatus for predicting battery life according to an embodiment disclosed in this document.
- the operating method of the apparatus 100 for predicting battery life includes obtaining information about a charging end voltage of a battery corresponding to a charging protocol (S110) and a charging protocol Predicting the lifespan of the battery corresponding to the charging protocol based on the information about the charging end voltage of the battery corresponding to S120.
- the information obtaining unit 110 may obtain information on the charging end voltage of the battery corresponding to the charging protocol. For example, the information acquisition unit 110 may obtain information about a charging end voltage of a battery corresponding to a charging protocol for each charging cycle of the battery. The information acquisition unit 110 may transmit the obtained information about the charging end voltage of the battery to the controller 120 .
- step S120 of predicting the lifespan of the battery corresponding to the charging protocol based on the information on the charging end voltage of the battery corresponding to the charging protocol the controller 120 performs information on the charging end voltage of the battery corresponding to the charging protocol. It is possible to predict the lifespan of the battery corresponding to the charging protocol based on. For example, the controller 120 may predict the charge cycle life of the battery based on information about the charge end voltage of the battery.
- 4 and 5 are flowcharts showing in detail an operating method of the apparatus for predicting battery life according to an embodiment disclosed in this document.
- the step of linearly fitting the charging end voltage of the battery corresponding to the charging protocol for each charging cycle of the battery may include a step (S220) of doing.
- steps S210 and S220 may be included in step S120 of FIG. 3 .
- the controller 120 may linearly fit the charging ending voltage of the battery corresponding to the charging protocol for each charging cycle of the battery. .
- y may correspond to the charge end voltage of the battery
- x may correspond to the charge cycle of the battery
- a may correspond to the rate of change of the charge end voltage of the battery for each charge cycle
- b may be It may correspond to the charging end voltage of the battery in the first charging cycle.
- the controller 120 determines the cycle at which the charging end voltage reaches the driving end voltage based on the linear fitting graph.
- the life of the battery can be predicted.
- the controller 120 may predict a cycle in which the charging end voltage reaches the driving end voltage as a charge cycle life of the battery.
- the driving termination voltage may be 4.2V.
- a step of selecting a specific section of a battery charging cycle ( S310 ) and a step of linearly fitting a charging end voltage of the battery in the specific section ( S320 ) may be included.
- steps S310 and S320 may be included in step S120 of FIG. 3 .
- the controller 120 may select a specific section of the battery charging cycle.
- a specific section may be a section between 100 and 200 cycles.
- the specific interval may be between n and m cycles, n and m may both be natural numbers, and m may have a value greater than n.
- FIG. 6 is a block diagram illustrating a hardware configuration of a computing system for performing a method of operating an apparatus for predicting battery life according to an embodiment disclosed in this document.
- a computing system 1000 may include an MCU 1010, a memory 1020, an input/output I/F 1030 and a communication I/F 1040. there is.
- the MCU 1010 executes various programs (eg, a battery pack voltage or current collection program, a relay control program included in the battery pack, an internal resistance calculation program, etc.) stored in the memory 1020, and executes these programs. It may be a processor that processes various types of information, including a charge end voltage of the battery and a driving end voltage of the battery, and performs the functions of the battery life prediction device shown in FIG. 1.
- programs eg, a battery pack voltage or current collection program, a relay control program included in the battery pack, an internal resistance calculation program, etc.
- the memory 1020 may store various programs related to battery log information collection and diagnosis.
- the memory 1020 may store various types of information such as battery current, voltage, charging end voltage, driving end voltage, and charging protocol information.
- the memory 1020 may be a volatile memory or a non-volatile memory.
- the memory 1020 as a volatile memory may be RAM, DRAM, SRAM, or the like.
- the memory 1020 as a non-volatile memory may be ROM, PROM, EAROM, EPROM, EEPROM, flash memory, or the like.
- the examples of the memories 1020 listed above are merely examples and are not limited to these examples.
- the input/output I/F 1030 connects an input device (not shown) such as a keyboard, mouse, or touch panel, an output device such as a display (not shown), and the MCU 1010 to transmit and receive data. can provide.
- an input device such as a keyboard, mouse, or touch panel
- an output device such as a display (not shown)
- the MCU 1010 to transmit and receive data. can provide.
- the communication I/F 1040 is a component capable of transmitting and receiving various data to and from the server, and may be various devices capable of supporting wired or wireless communication.
- the battery life prediction device may transmit/receive information such as a relay control program included in a battery pack or current, current, or charging end voltage of various battery packs from a separately prepared external server through the communication I/F 1040. there is.
- the computer program according to an embodiment disclosed in this document may be implemented as a module that performs, for example, each function shown in FIG. 1 by being recorded in the memory 1020 and processed by the MCU 1010. there is.
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Description
Claims (14)
- 충전 프로토콜에 대응되는 배터리의 충전 종료 전압(End Voltage)에 관한 정보를 획득하는 정보 획득부;상기 충전 프로토콜에 대응되는 상기 배터리의 충전 종료 전압에 관한 정보를 기초로 상기 충전 프로토콜에 대응되는 상기 배터리의 수명을 예측하는 컨트롤러를 포함하는 배터리 수명 예측 장치.
- 제 1 항에 있어서,상기 컨트롤러는,상기 충전 프로토콜에 대응되는 상기 배터리의 충전 종료 전압을 상기 배터리의 충전 사이클(cycle)마다 리니어 피팅(linear fitting)하는 것을 특징으로 하는 배터리 수명 예측 장치.
- 제 2 항에 있어서,상기 컨트롤러는,상기 리니어 피팅한 그래프를 기초로 구동 종료 전압에 도달하는 사이클을 상기 배터리의 수명으로 예측하는 것을 특징으로 하는 배터리 수명 예측 장치.
- 제 3 항에 있어서,상기 구동 종료 전압은 4.2V 인 것을 특징으로 하는 배터리 수명 예측 장치.
- 제 2 항에 있어서,상기 컨트롤러는,상기 배터리의 충전 사이클 중 특정 구간을 선택하고, 상기 특정 구간에서 상기 배터리의 충전 종료 전압을 리니어 피팅하는 것을 특징으로 하는 배터리 수명 예측 장치.
- 제 5 항에 있어서,상기 특정 구간은,상기 사이클이 100회에서 200회 사이 구간인 것을 특징으로 하는 배터리 수명 예측 장치.
- 제 1 항에 있어서,상기 컨트롤러는,상기 배터리를 충전하는 것이 가능한 사이클의 회수를 예측하는 것을 특징으로 하는 배터리 수명 예측 장치.
- 제 1 항에 있어서,복수의 충전 프로토콜에 기반하여 상기 배터리를 충전하는 경우, 상기 배터리의 수명을 비교하는 수명 비교부를 더 포함하는 배터리 수명 예측 장치.
- 제 8 항에 있어서,상기 수명 비교부는,상기 복수의 충전 프로토콜 각각에 대응되는 상기 배터리의 예측된 수명을 기초로 상기 복수의 충전 프로토콜 각각을 비교하는 것을 특징으로 하는 배터리 수명 예측 장치.
- 제 1 항에 있어서,상기 충전 프로토콜은,상기 배터리를 충전하는데 소요되는 시간에 따라서 상기 배터리를 스텝(step)에 따라 충전하는 전류에 관한 정보로 설정되는 것을 특징으로 하는 배터리 수명 예측 장치.
- 충전 프로토콜에 대응되는 배터리의 충전 종료 전압에 관한 정보를 획득하는 단계;상기 충전 프로토콜에 대응되는 상기 배터리의 충전 종료 전압에 관한 정보를 기초로 상기 충전 프로토콜에 대응되는 상기 배터리의 수명을 예측하는 단계; 를 포함하는 배터리 수명 예측 장치의 동작 방법.
- 제 11 항에 있어서,상기 충전 프로토콜에 대응되는 상기 배터리의 충전 종료 전압에 관한 정보를 기초로 상기 충전 프로토콜에 대응되는 상기 배터리의 수명을 예측하는 단계는,상기 충전 프로토콜에 대응되는 상기 배터리의 충전 종료 전압을 상기 배터리의 충전 사이클마다 리니어 피팅하는 단계; 를 포함하는 것을 특징으로 하는 배터리 수명 예측 장치의 동작 방법.
- 제 12 항에 있어서,상기 충전 프로토콜에 대응되는 상기 배터리의 충전 종료 전압에 관한 정보를 기초로 상기 충전 프로토콜에 대응되는 상기 배터리의 수명을 예측하는 단계는,상기 리니어 피팅한 그래프를 기초로 구동 종료 전압에 도달하는 사이클을 상기 배터리의 수명으로 예측하는 단계; 를 더 포함하는 것을 특징으로 하는 배터리 수명 예측 장치의 동작 방법.
- 제 11 항에 있어서,상기 충전 프로토콜에 대응되는 상기 배터리의 충전 종료 전압에 관한 정보를 기초로 상기 충전 프로토콜에 대응되는 상기 배터리의 수명을 예측하는 단계는,상기 배터리의 충전 사이클 중 특정 구간을 선택하는 단계; 및상기 특정 구간에서 상기 배터리의 충전 종료 전압을 리니어 피팅하는 단계; 를 포함하는 것을 특징으로 하는 배터리 수명 예측 장치의 동작 방법.
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EP22904416.9A EP4306977A1 (en) | 2021-12-10 | 2022-09-30 | Apparatus for predicting battery life, and operation method therefor |
US18/288,264 US20240219476A1 (en) | 2021-12-10 | 2022-09-30 | Battery Life Prediction Apparatus and Operating Method Thereof |
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2021
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- 2022-09-30 WO PCT/KR2022/014848 patent/WO2023106582A1/ko active Application Filing
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JP2012247428A (ja) * | 2006-08-30 | 2012-12-13 | Toyota Motor Corp | 蓄電装置の劣化評価システム、車両、蓄電装置の劣化評価方法およびその劣化評価方法をコンピュータに実行させるためのプログラムを記録したコンピュータ読取可能な記録媒体 |
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US20240219476A1 (en) | 2024-07-04 |
CN117203538A (zh) | 2023-12-08 |
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