JP2022520765A - バッテリー管理装置、バッテリー管理方法、バッテリーパック及び電気車両 - Google Patents
バッテリー管理装置、バッテリー管理方法、バッテリーパック及び電気車両 Download PDFInfo
- Publication number
- JP2022520765A JP2022520765A JP2021546327A JP2021546327A JP2022520765A JP 2022520765 A JP2022520765 A JP 2022520765A JP 2021546327 A JP2021546327 A JP 2021546327A JP 2021546327 A JP2021546327 A JP 2021546327A JP 2022520765 A JP2022520765 A JP 2022520765A
- Authority
- JP
- Japan
- Prior art keywords
- value
- battery
- feature point
- discharge
- differential capacitance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007726 management method Methods 0.000 title claims abstract description 41
- 238000007599 discharging Methods 0.000 claims abstract description 21
- 230000007850 degeneration Effects 0.000 claims description 25
- 230000015556 catabolic process Effects 0.000 abstract description 12
- 238000006731 degradation reaction Methods 0.000 abstract description 12
- 230000008859 change Effects 0.000 description 27
- 238000004891 communication Methods 0.000 description 8
- 230000007423 decrease Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000001174 ascending effect Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000003247 decreasing effect Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000004044 response Effects 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000003446 memory effect Effects 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
- 238000011160 research Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/392—Determining battery ageing or deterioration, e.g. state of health
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/12—Recording operating variables ; Monitoring of operating variables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/16—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to battery ageing, e.g. to the number of charging cycles or the state of health [SoH]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
-
- 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
- G01R31/3648—Constructional arrangements comprising digital calculation means, e.g. for performing an algorithm
-
- 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
- G01R31/3842—Arrangements for monitoring battery or accumulator variables, e.g. SoC combining voltage and current measurements
-
- 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
-
- 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
- H01M10/44—Methods for charging or discharging
-
- 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
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00036—Charger exchanging data with battery
-
- 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
-
- 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
- H02J7/0025—Sequential battery discharge in systems with a plurality of batteries
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
-
- 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
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
-
- 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]
-
- 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
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
-
- 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
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
- H02J7/00714—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery charging or discharging current
-
- 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
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
- H02J7/007182—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/547—Voltage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/549—Current
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/90—Vehicles comprising electric prime movers
- B60Y2200/91—Electric vehicles
-
- 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
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Medical Informatics (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Tests Of Electric Status Of Batteries (AREA)
Abstract
Description
Claims (12)
- バッテリーの電圧及び電流を検出し、検出された電圧及び検出された電流を示すセンシング信号を出力するように構成されるセンシング部と、
前記センシング部に動作可能に結合される制御部と、を含み、
前記制御部は、
前記バッテリーが第1定電流で充電される第1期間に取得された前記バッテリーの第1電圧履歴及び第1容量履歴に基づいて第1微分容量カーブを決定し、
前記バッテリーが前記第1定電流で放電する第2期間に取得された前記バッテリーの第2電圧履歴及び第2容量履歴に基づいて第2微分容量カーブを決定し、
前記バッテリーが前記第1定電流と異なる第2定電流で充電される第3期間に取得された前記バッテリーの第3電圧履歴及び第3容量履歴に基づいて第3微分容量カーブを決定し、
前記バッテリーが前記第2定電流で放電する第4期間に取得された前記バッテリーの第4電圧履歴及び第4容量履歴に基づいて第4微分容量カーブを決定し、
前記第1微分容量カーブから第1充電特徴点を検出し、
前記第2微分容量カーブから第1放電特徴点を検出し、
前記第3微分容量カーブから第2充電特徴点を検出し、
前記第4微分容量カーブから第2放電特徴点を検出し、
第1充電特徴値、第2充電特徴値、第1放電特徴値及び第2放電特徴値に基づいて前記バッテリーの退化情報を決定するように構成され、
前記第1充電特徴値及び前記第2充電特徴値は、それぞれ前記第1充電特徴点及び前記第2充電特徴点の電圧値であり、
前記第1放電特徴値及び前記第2放電特徴値は、それぞれ前記第1放電特徴点及び前記第2放電特徴点の電圧値である、バッテリー管理装置。 - 前記第1充電特徴点は、前記第1微分容量カーブのピークのうち、第1の所定の順番に位置するピークであり、
前記第1放電特徴点は、前記第2微分容量カーブのピークのうち、前記第1の所定の順番に位置するピークであり、
前記第2充電特徴点は、前記第3微分容量カーブのピークのうち、前記第1の所定の順番に位置するピークであり、
前記第2放電特徴点は、前記第4微分容量カーブのピークのうち、前記第1の所定の順番に位置するピークである、請求項1に記載のバッテリー管理装置。 - 前記制御部は、
前記第1充電特徴値と前記第1放電特徴値との差の絶対値を示す第1ヒステリシス値を決定し、
前記第2充電特徴値と前記第2放電特徴値との差の絶対値を示す第2ヒステリシス値を決定するように構成され、
前記退化情報は、前記第1ヒステリシス値及び前記第2ヒステリシス値を含む、請求項2に記載のバッテリー管理装置。 - 前記退化情報は、前記第1ヒステリシス値と前記第2ヒステリシス値との差の絶対値である第1差値をさらに含む、請求項3に記載のバッテリー管理装置。
- 前記制御部は、
前記第1微分容量カーブから第3充電特徴点をさらに検出し、
前記第2微分容量カーブから第3放電特徴点をさらに検出し、
前記第3微分容量カーブから第4充電特徴点をさらに検出し、
前記第4微分容量カーブから第4放電特徴点をさらに検出し、
第3充電特徴値、第4充電特徴値、第3放電特徴値及び第4放電特徴値にさらに基づいて、前記退化情報を決定するように構成され、
前記第3充電特徴値及び前記第4充電特徴値は、それぞれ前記第3充電特徴点及び前記第4充電特徴点の電圧値であり、
前記第3放電特徴値及び前記第4放電特徴値は、それぞれ前記第3放電特徴点及び前記第4放電特徴点の電圧値である、請求項3または4に記載のバッテリー管理装置。 - 前記第3充電特徴点は、前記第1微分容量カーブのピークのうち、第2の所定の順番に位置するピークであり、
前記第3放電特徴点は、前記第2微分容量カーブのピークのうち、前記第2の所定の順番に位置するピークであり、
前記第4充電特徴点は、前記第3微分容量カーブのピークのうち、前記第2の所定の順番に位置するピークであり、
前記第4放電特徴点は、前記第4微分容量カーブのピークのうち、前記第2の所定の順番に位置するピークである、請求項5に記載のバッテリー管理装置。 - 前記制御部は、
前記第3充電特徴値と前記第3放電特徴値との差の絶対値を示す第3ヒステリシス値を決定し、
前記第4充電特徴値と前記第4放電特徴値との差の絶対値を示す第4ヒステリシス値を決定するように構成され、
前記退化情報は、前記第3ヒステリシス値及び前記第4ヒステリシス値をさらに含む、請求項6に記載のバッテリー管理装置。 - 前記退化情報は、前記第3ヒステリシス値と前記第4ヒステリシス値との差の絶対値である第2差値、前記第1ヒステリシス値と前記第3ヒステリシス値との差の絶対値である第3差値、及び前記第2ヒステリシス値と前記第4ヒステリシス値との差の絶対値である第4差値のうち少なくとも一つをさらに含む、請求項7に記載のバッテリー管理装置。
- 前記制御部は、
前記退化情報に基づいて前記バッテリーの充放電に許容される最大電流レートを決定するように構成される、請求項1から8のいずれか一項に記載のバッテリー管理装置。 - 請求項1から9のいずれか一項に記載のバッテリー管理装置を含むバッテリーパック。
- 請求項10に記載のバッテリーパックを含む電気車両。
- 請求項1から9のいずれか一項に記載のバッテリー管理装置を用いるバッテリー管理方法であって、
制御部が、バッテリーが第1定電流で充電される第1期間に取得された前記バッテリーの第1電圧履歴及び第1容量履歴に基づいて第1微分容量カーブを決定する段階と、
前記制御部が、前記バッテリーが前記第1定電流で放電する第2期間に取得された前記バッテリーの第2電圧履歴及び第2容量履歴に基づいて第2微分容量カーブを決定する段階と、
前記制御部が、前記バッテリーが第2定電流で充電される第3期間に取得された前記バッテリーの第3電圧履歴及び第3容量履歴に基づいて第3微分容量カーブを決定する段階と、
前記制御部が、前記バッテリーが前記第2定電流で放電する第4期間に取得された前記バッテリーの第4電圧履歴及び第4容量履歴に基づいて第4微分容量カーブを決定する段階と、
前記制御部が、前記第1微分容量カーブから第1充電特徴点を検出する段階と、
前記制御部が、前記第2微分容量カーブから第1放電特徴点を検出する段階と、
前記制御部が、前記第3微分容量カーブから第2充電特徴点を検出する段階と、
前記制御部が、前記第4微分容量カーブから第2放電特徴点を検出する段階と、
前記制御部が、前記第1充電特徴値、前記第2充電特徴値、前記第1放電特徴値及び前記第2放電特徴値に基づいて退化情報を決定する段階と、を含む、バッテリー管理方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2019-0115464 | 2019-09-19 | ||
KR1020190115464A KR20210033764A (ko) | 2019-09-19 | 2019-09-19 | 배터리 관리 장치, 배터리 관리 방법, 배터리 팩 및 전기 차량 |
PCT/KR2020/010918 WO2021054618A1 (ko) | 2019-09-19 | 2020-08-14 | 배터리 관리 장치, 배터리 관리 방법, 배터리 팩 및 전기 차량 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2022520765A true JP2022520765A (ja) | 2022-04-01 |
JP7159524B2 JP7159524B2 (ja) | 2022-10-25 |
Family
ID=74883229
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021546327A Active JP7159524B2 (ja) | 2019-09-19 | 2020-08-14 | バッテリー管理装置、バッテリー管理方法、バッテリーパック及び電気車両 |
Country Status (9)
Country | Link |
---|---|
US (1) | US12007449B2 (ja) |
EP (1) | EP3982141B1 (ja) |
JP (1) | JP7159524B2 (ja) |
KR (1) | KR20210033764A (ja) |
CN (1) | CN113711461B (ja) |
ES (1) | ES2975509T3 (ja) |
HU (1) | HUE065724T2 (ja) |
PL (1) | PL3982141T3 (ja) |
WO (1) | WO2021054618A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102537607B1 (ko) * | 2019-05-14 | 2023-05-25 | 주식회사 엘지에너지솔루션 | 배터리의 퇴화도를 결정하기 위한 장치, 방법 및 배터리 팩 |
US20230296682A1 (en) * | 2022-03-17 | 2023-09-21 | Ryutaro Nozu | Safe state detection method for lithium-ion secondary battery, safe state detection apparatus, power storage device, safe state detection system, and recording medium |
KR20240109870A (ko) * | 2023-01-05 | 2024-07-12 | 주식회사 엘지에너지솔루션 | 단선 검출 장치 및 이의 동작 방법 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011036760A1 (ja) * | 2009-09-25 | 2011-03-31 | トヨタ自動車株式会社 | 二次電池システム |
JP2014139897A (ja) * | 2013-01-21 | 2014-07-31 | Toyota Industries Corp | 二次電池システム |
JP2015060761A (ja) * | 2013-09-19 | 2015-03-30 | 株式会社東芝 | 二次電池の劣化診断システム及び劣化診断方法 |
US20190168617A1 (en) * | 2017-12-04 | 2019-06-06 | Industrial Technology Research Institute | Method and system for determining discharging process of battery |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6021087B2 (ja) | 2012-04-13 | 2016-11-02 | エルジー・ケム・リミテッド | 混合正極材を含む二次電池のためのシステム、混合正極材を含む二次電池の管理装置及び方法 |
JP2013247003A (ja) | 2012-05-28 | 2013-12-09 | Sony Corp | 二次電池の充電制御装置、二次電池の充電制御方法、二次電池の充電状態推定装置、二次電池の充電状態推定方法、二次電池の劣化度推定装置、二次電池の劣化度推定方法、及び、二次電池装置 |
JP5662968B2 (ja) | 2012-06-19 | 2015-02-04 | 株式会社日立製作所 | 二次電池の検査システム、充放電機、及び検査方法 |
JP5354416B1 (ja) | 2012-11-05 | 2013-11-27 | 東洋システム株式会社 | 二次電池評価方法および評価プログラム |
JP6405754B2 (ja) | 2014-07-02 | 2018-10-17 | 日本電気株式会社 | 電池制御装置及び電池制御システム |
US20170233250A1 (en) | 2014-08-12 | 2017-08-17 | The Regents Of The University Of California | Lithium sulfide-graphene oxide composite material for li/s cells |
JP6123844B2 (ja) | 2014-09-01 | 2017-05-10 | 横河電機株式会社 | 二次電池容量測定システム及び二次電池容量測定方法 |
EP2990818B1 (en) | 2014-09-01 | 2019-11-27 | Yokogawa Electric Corporation | Secondary battery capacity measurement system and secondary battery capacity measurement method |
JP6485041B2 (ja) | 2014-12-26 | 2019-03-20 | 株式会社リコー | 蓄電デバイス劣化推定装置、蓄電デバイス劣化推定方法、移動体 |
JP6380417B2 (ja) * | 2016-01-21 | 2018-08-29 | 横河電機株式会社 | 二次電池容量測定システム及び二次電池容量測定方法 |
JP6477610B2 (ja) * | 2016-06-22 | 2019-03-06 | 横河電機株式会社 | 二次電池容量測定システムおよび二次電池容量測定方法 |
KR102447292B1 (ko) | 2016-09-21 | 2022-09-26 | 바스프 토다 배터리 머티리얼스 엘엘씨 | 양극 활물질 및 그 제조 방법, 및 비수전해질 이차 전지 |
KR102305291B1 (ko) | 2017-02-10 | 2021-09-29 | 닛산 노쓰 아메리카, 인크. | 자율주행 차량 운용 관리 |
JP2018147635A (ja) | 2017-03-03 | 2018-09-20 | 住友金属鉱山株式会社 | 二次電池用正極活物質の評価方法 |
JP2018205139A (ja) * | 2017-06-05 | 2018-12-27 | 三菱自動車工業株式会社 | 二次電池システム |
JP6477957B2 (ja) | 2017-07-19 | 2019-03-06 | 株式会社Gsユアサ | 推定装置、蓄電装置、推定方法、及びコンピュータプログラム |
JP2019045351A (ja) | 2017-09-04 | 2019-03-22 | 三菱自動車工業株式会社 | 二次電池システム |
CN110031770B (zh) * | 2019-04-29 | 2021-08-17 | 上海玫克生储能科技有限公司 | 一种快速得到电池包中所有单体电池容量的方法 |
-
2019
- 2019-09-19 KR KR1020190115464A patent/KR20210033764A/ko not_active Application Discontinuation
-
2020
- 2020-08-14 WO PCT/KR2020/010918 patent/WO2021054618A1/ko unknown
- 2020-08-14 JP JP2021546327A patent/JP7159524B2/ja active Active
- 2020-08-14 PL PL20866793.1T patent/PL3982141T3/pl unknown
- 2020-08-14 EP EP20866793.1A patent/EP3982141B1/en active Active
- 2020-08-14 US US17/440,905 patent/US12007449B2/en active Active
- 2020-08-14 ES ES20866793T patent/ES2975509T3/es active Active
- 2020-08-14 CN CN202080029169.3A patent/CN113711461B/zh active Active
- 2020-08-14 HU HUE20866793A patent/HUE065724T2/hu unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011036760A1 (ja) * | 2009-09-25 | 2011-03-31 | トヨタ自動車株式会社 | 二次電池システム |
JP2014139897A (ja) * | 2013-01-21 | 2014-07-31 | Toyota Industries Corp | 二次電池システム |
JP2015060761A (ja) * | 2013-09-19 | 2015-03-30 | 株式会社東芝 | 二次電池の劣化診断システム及び劣化診断方法 |
US20190168617A1 (en) * | 2017-12-04 | 2019-06-06 | Industrial Technology Research Institute | Method and system for determining discharging process of battery |
Also Published As
Publication number | Publication date |
---|---|
EP3982141A4 (en) | 2022-08-10 |
EP3982141A1 (en) | 2022-04-13 |
HUE065724T2 (hu) | 2024-06-28 |
US12007449B2 (en) | 2024-06-11 |
US20220158468A1 (en) | 2022-05-19 |
CN113711461A (zh) | 2021-11-26 |
JP7159524B2 (ja) | 2022-10-25 |
KR20210033764A (ko) | 2021-03-29 |
CN113711461B (zh) | 2023-11-21 |
ES2975509T3 (es) | 2024-07-08 |
PL3982141T3 (pl) | 2024-05-13 |
WO2021054618A1 (ko) | 2021-03-25 |
EP3982141B1 (en) | 2024-02-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US11912158B2 (en) | Battery management apparatus, battery management method, battery pack, and electric vehicle | |
JP2022520765A (ja) | バッテリー管理装置、バッテリー管理方法、バッテリーパック及び電気車両 | |
US20240061050A1 (en) | Apparatus and method for determining degradation degree of battery and battery pack comprising the apparatus | |
US11460506B2 (en) | Apparatus and method for determining differential voltage curve of battery and battery pack comprising the apparatus | |
US20220413058A1 (en) | Apparatus and method for determining degradation state of battery, battery pack and electric vehicle | |
US20230333170A1 (en) | Battery Management System, Battery Pack, Electric Vehicle and Battery Management Method | |
US20230369660A1 (en) | Battery management system, battery pack, electric vehicle and battery management method | |
US20230278459A1 (en) | Battery Management System, Battery Management Method, Battery Pack, and Electric Vehicle | |
US20230280408A1 (en) | Battery Management System, Battery Management Method, Battery Pack, and Electric Vehicle | |
JP2023527137A (ja) | バッテリー診断装置、バッテリー診断方法、バッテリーパック及び電気車両 | |
JP7331327B2 (ja) | バッテリー管理システム、バッテリー管理方法、バッテリーパック及び電気車両 | |
JP7338101B2 (ja) | バッテリー管理システム、バッテリーパック、電気車両及びバッテリー管理方法 | |
US20230191942A1 (en) | Battery Management System, Battery Management Method, Battery Pack, and Electric Vehicle |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20210810 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20220815 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20220913 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20220916 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7159524 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |