JP7408903B2 - バッテリー診断装置及び方法 - Google Patents
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- 229910052744 lithium Inorganic materials 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
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- CVOFKRWYWCSDMA-UHFFFAOYSA-N 2-chloro-n-(2,6-diethylphenyl)-n-(methoxymethyl)acetamide;2,6-dinitro-n,n-dipropyl-4-(trifluoromethyl)aniline Chemical compound CCC1=CC=CC(CC)=C1N(COC)C(=O)CCl.CCCN(CCC)C1=C([N+]([O-])=O)C=C(C(F)(F)F)C=C1[N+]([O-])=O CVOFKRWYWCSDMA-UHFFFAOYSA-N 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
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- 229910052759 nickel Inorganic materials 0.000 description 1
- QELJHCBNGDEXLD-UHFFFAOYSA-N nickel zinc Chemical compound [Ni].[Zn] QELJHCBNGDEXLD-UHFFFAOYSA-N 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
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- G—PHYSICS
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- 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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- H—ELECTRICITY
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- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
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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
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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]
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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]
- G01R31/3644—Constructional arrangements
- G01R31/3646—Constructional arrangements for indicating electrical conditions or variables, e.g. visual or audible indicators
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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]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
-
- 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
-
- 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
-
- 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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
-
- 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
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
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- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
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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]
- G01R31/389—Measuring internal impedance, internal conductance or related variables
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- H—ELECTRICITY
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- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
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- General Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Secondary Cells (AREA)
- Tests Of Electric Status Of Batteries (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Description
10 バッテリー診断システム
100 バッテリー診断装置
110 測定部
120 オーム抵抗決定部
130 制御部
140 保存部
200 EIS部
300 ヒーティング部
400 充放電部
Claims (13)
- バッテリーの電圧及び温度を測定する測定部と、
前記バッテリーに対して生成されたインピーダンスプロファイルに基づいて前記バッテリーのオーム抵抗を決定するオーム抵抗決定部と、
前記測定部によって測定されたバッテリーの電圧と参照電圧を比較して電圧変化量を算出し、前記オーム抵抗決定部によって決定されたオーム抵抗と参照抵抗を比較して抵抗変化率を算出し、算出された抵抗変化率と基準抵抗変化率との大きさ比較によって前記バッテリーの内部ガスの発生程度を判断し、算出された電圧変化量と基準電圧変化量との大きさ比較によって前記バッテリーの内部ガスの発生原因を判断する制御部と、を含む、バッテリー診断装置。 - 前記オーム抵抗決定部は、
前記測定部によって測定された前記バッテリーの温度が所定の期間の間に基準温度以上である場合、前記バッテリーに対して生成されたインピーダンスプロファイルに基づいて前記オーム抵抗を決定する、請求項1に記載のバッテリー診断装置。 - 前記制御部は、
前記算出された抵抗変化率が前記基準抵抗変化率以上であれば、前記バッテリーの内部ガスが基準量以上に発生したと判断し、
前記算出された抵抗変化率が前記基準抵抗変化率未満であれば、前記バッテリーの内部ガスが前記基準量未満に発生したと判断する、請求項1または2に記載のバッテリー診断装置。 - 前記制御部は、
前記算出された電圧変化量が前記基準電圧変化量以上であれば、前記内部ガスの発生原因を前記バッテリーの正極の副反応として判断し、
前記算出された電圧変化量が前記基準電圧変化量未満であれば、前記内部ガスの発生原因を前記正極の副反応以外の他の原因として判断する、請求項3に記載のバッテリー診断装置。 - 前記制御部は、
前記内部ガスの発生程度及び前記内部ガスの発生原因に基づいて前記バッテリーの状態を診断する、請求項4に記載のバッテリー診断装置。 - 前記制御部は、
前記内部ガスが前記他の原因によって前記基準量未満に発生したと判断された場合、前記バッテリーの状態を正常状態に診断する、請求項4または5に記載のバッテリー診断装置。 - 前記制御部は、
前記内部ガスが前記他の原因によって前記基準量以上に発生したと判断された場合、前記バッテリーの状態を第1警告状態に診断し、前記バッテリーに対する上限温度を減少させる、請求項4から6のいずれか一項に記載のバッテリー診断装置。 - 前記制御部は、
前記内部ガスが前記正極の副反応によって前記基準量以上に発生したと判断された場合、前記バッテリーの状態を第2警告状態に診断し、前記バッテリーに対する上限温度及び上限SOCのうち少なくとも一つを減少させる、請求項4から7のいずれか一項に記載のバッテリー診断装置。 - 前記制御部は、
前記内部ガスが前記正極の副反応によって前記基準量未満に発生したと判断された場合、前記バッテリーに内部短絡が発生したと判断し、前記バッテリーの状態を使用不可能の状態に診断する、請求項4から8のいずれか一項に記載のバッテリー診断装置。 - 請求項1から9のいずれか一項に記載のバッテリー診断装置と、
前記バッテリーに交流電流を出力し、前記交流電流の出力結果によって前記バッテリーのインピーダンスを実部と虚部との対応関係として示すインピーダンスプロファイルを生成し、生成されたインピーダンスプロファイルを前記バッテリー診断装置に出力するEIS部と、を含む、バッテリー診断システム。 - 前記バッテリーの温度が基準温度以上になるように前記バッテリーの温度を上昇させるヒーティング部をさらに含む、請求項10に記載のバッテリー診断システム。
- 請求項1から9のいずれか一項に記載のバッテリー診断装置を含む、バッテリーパック。
- バッテリーの電圧及び温度を測定する測定段階と、
前記バッテリーに対して生成されたインピーダンスプロファイルに基づいて前記バッテリーのオーム抵抗を決定するオーム抵抗決定段階と、
前記測定段階で測定されたバッテリーの電圧と参照電圧を比較して電圧変化量を算出する電圧変化量算出段階と、
前記オーム抵抗決定段階で決定されたオーム抵抗と参照抵抗を比較して抵抗変化率を算出する抵抗変化率算出段階と、
算出された抵抗変化率と基準抵抗変化率との大きさ比較によって前記バッテリーの内部ガスの発生程度を判断する内部ガス発生程度判断段階と、
算出された電圧変化量と基準電圧変化量との大きさ比較によって前記バッテリーの内部ガスの発生原因を判断する内部ガス発生原因判断段階と、を含む、バッテリー診断方法。
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KR10-2020-0131450 | 2020-10-12 | ||
KR1020200131450A KR20220048370A (ko) | 2020-10-12 | 2020-10-12 | 배터리 진단 장치 및 방법 |
PCT/KR2021/014051 WO2022080835A1 (ko) | 2020-10-12 | 2021-10-12 | 배터리 진단 장치 및 방법 |
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EP (1) | EP4167345B1 (ja) |
JP (1) | JP7408903B2 (ja) |
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KR102152572B1 (ko) * | 2019-03-22 | 2020-09-07 | 영남대학교 산학협력단 | 이차 전지의 팽창 센싱 시스템 |
KR20200131450A (ko) | 2019-05-14 | 2020-11-24 | 주식회사 아산정밀 | 화재감지기 검사장치 |
KR20220043640A (ko) * | 2020-09-29 | 2022-04-05 | 주식회사 엘지에너지솔루션 | 배터리 진단 장치, 방법 및 시스템 |
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JP2007103351A (ja) | 2005-09-06 | 2007-04-19 | Denso Corp | 蓄電池の劣化判定方法及びその装置 |
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JP2013149379A (ja) | 2012-01-17 | 2013-08-01 | Mitsubishi Electric Corp | 蓄電デバイスの熱安定性評価試験方法およびその装置 |
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US11959972B2 (en) | 2024-04-16 |
US20230141623A1 (en) | 2023-05-11 |
WO2022080835A1 (ko) | 2022-04-21 |
JP2023516477A (ja) | 2023-04-19 |
EP4167345A4 (en) | 2023-12-06 |
EP4167345A1 (en) | 2023-04-19 |
EP4167345B1 (en) | 2024-09-25 |
CN115428231A (zh) | 2022-12-02 |
KR20220048370A (ko) | 2022-04-19 |
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