EP2756542A1 - Methode pour estimer la temperature au coeur d'une cellule de batterie - Google Patents
Methode pour estimer la temperature au coeur d'une cellule de batterieInfo
- Publication number
- EP2756542A1 EP2756542A1 EP12773029.9A EP12773029A EP2756542A1 EP 2756542 A1 EP2756542 A1 EP 2756542A1 EP 12773029 A EP12773029 A EP 12773029A EP 2756542 A1 EP2756542 A1 EP 2756542A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- temperature
- battery
- battery module
- module
- model
- 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.)
- Ceased
Links
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000005259 measurement Methods 0.000 claims abstract description 21
- 238000009825 accumulation Methods 0.000 claims description 16
- 238000012545 processing Methods 0.000 claims description 16
- 238000009792 diffusion process Methods 0.000 claims description 13
- 239000012080 ambient air Substances 0.000 claims description 8
- 230000001143 conditioned effect Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 230000003750 conditioning effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000004480 active ingredient Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000013178 mathematical model Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/20—Compensating for effects of temperature changes other than those to be measured, e.g. changes in ambient temperature
-
- 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]
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- 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
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/633—Control systems characterised by algorithms, flow charts, software details or the like
-
- 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
- H01M10/63—Control systems
- H01M10/635—Control systems based on ambient temperature
-
- 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
Definitions
- the present invention relates to a method for estimating the temperature at the heart of a traction battery module of an electric or hybrid vehicle, in which module is packaged a plurality of electrical charge accumulation elements commonly called cells.
- An application of the method according to the invention relates to the management of a battery of electric charge accumulation elements, in particular during its operation in an electric or hybrid vehicle. It is more particularly intended to apply to the operation of the battery to estimate in real time the internal temperature of the charge accumulation elements, particularly in the context of the optimization of energy and thermal management strategies to ensure safety of the battery and optimized use of the energy potential of the battery.
- the traction battery used on electric or hybrid vehicles is one of the most critical components of such a vehicle.
- the temperature of the battery is a preponderant factor conditioning its performance, in particular because of its impact on the kinetics of chemical reactions within the charge accumulation elements making up the battery.
- high temperatures tend to increase parasitic reactions, which results in a decrease in the available battery capacity and an increase in internal resistance.
- the temperature is an aging factor of the elements constituting the battery.
- the heat is in fact produced in the Joule charge accumulation elements and then diffuses into the conditioning material of the battery and then dissipated to the external medium via a convective exchange at the outer walls. Therefore, this temperature information does not accurately reflect the temperature at the heart of the battery module, i.e. the internal temperature of the charge accumulation elements, where the heat is produced, and therefore does not allow to act effectively on limiting the rise of the temperature of the battery.
- document US 2007/0139017 discloses a method for estimating the temperature of the battery, in order to gain precision with respect to an external measurement.
- the method according to this document is based on an estimate of the initial thermal state of the battery, related to the temperature outside the vehicle, and on an estimate of the heat generated inside the battery, resulting for example from the measurement the resistance of the battery and the measurement of the current through the battery, in order to estimate a temperature representative of the internal temperature of the battery.
- This estimation method which takes into account the heat generated inside the battery, however neglects the problem of diffusion of heat in the battery, which adversely affects the accuracy and reliability of the temperature estimate obtained. .
- the purpose of the present invention is to propose a method for estimating the temperature at the heart of a traction battery module of an electric or hybrid vehicle, free from the disadvantages mentioned above.
- the method of the invention is essentially characterized by measuring the temperature at an outer wall of the battery module and calculating an estimate of the temperature at the heart of the battery module. from the measurement of the temperature.
- a heat diffusion model produced in the charge accumulation elements of the battery module is established, the model providing an output of an estimate of the temperature at the outer wall of the battery module.
- a battery according to the temperature at the core of the module that it receives as input, and the estimate of the temperature at the heart of the battery module is calculated by determining a temperature value to be supplied at the input of the model to obtain at the output of the model a temperature value substantially equal to the measured temperature.
- the temperature value to be supplied at the input of the model is determined so that the difference between the temperature measured at the outer wall and the exit temperature of the model is substantially zero.
- the temperature of the ambient air and the current at the terminals of the battery module are further measured, the diffusion model taking these measurements as input.
- the diffusion model of the heat produced in the charge accumulation elements of the battery module is established by applying the heat equation at each node of a one-dimensional spatial mesh of the battery module.
- the invention also relates to an energy management device of a traction battery of an electric or hybrid vehicle composed of a plurality of electric charge accumulation elements packaged in at least one battery module, comprising:
- a first measuring device disposed on an outer wall of the battery module and able to provide a measurement of the temperature at the outer wall of the battery module
- a processing module connected to the first measuring member for receiving the measurement of the temperature at the outer wall of the battery module and adapted to generate an output signal representative of the temperature at the heart of the battery module, calculated by the method according to the invention
- control module able to ensure the management of the battery power in response to the output signal generated by the processing module.
- control module is able to control the cooling of the battery in response to the output signal generated by the processing module.
- the device may comprise a second and a third measuring device able respectively to provide a measurement of the ambient air temperature and a measurement of the current at the terminals of the battery module and the processing module comprises a means of input connected to the second and third measuring members for receiving measurements of ambient air temperature and current.
- FIG. 1 is a schematic view of a battery module
- FIG. 2 is a block diagram illustrating the operation of the estimation method according to the invention.
- FIG. 3 is a diagram illustrating a model of diffusion of the temperature in a battery module for the implementation of the estimation method according to the invention
- FIG. 4 is a diagram illustrating the spatial grid of the battery module for the implementation of the estimation method according to the invention.
- FIG. 1 illustrates a battery module 10 where four charge accumulation elements 11 or cells are conditioned.
- a temperature sensor 12 is placed on an outer wall 13 of the battery module 10 to provide a measurement of the temperature at the outer wall 13 of the battery module 10.
- the temperature at the heart of the battery module is not measurable.
- a specific processing module or "software sensor”, also called observer implementing a model, which will be described in more detail below, reproducing in a virtual way the dynamics of the diffusion of heat in the battery module.
- This virtual sensor is connected in a control loop with a physical sensor for measuring the temperature at the wall of the module, the loop making it possible to cancel the possible error between the estimate of the virtual sensor and the measurement of the sensor. physical.
- the observer is thus designed to deliver at each instant an estimate of the temperature at the heart of the battery module.
- T the temperature at the heart of the battery module 10
- f represents the estimate of this temperature calculated by a processing module 20 (observer).
- This estimation is therefore done by implementing a model of the temperature dynamics in the battery module 10, taking into account the inputs, which are the ambient air temperature Tair and the current I passing through the battery module. , but also by using the measurement y of the temperature at the wall provided by the sensor 12 in order to correct any deviations.
- the modeling of the heat diffusion in the battery module must be such that the model is sufficiently representative of the reality, but also not very greedy in time of computation for the real time implementation.
- the variation of the temperature in the battery module can be broken down into two parts.
- the active ingredient ie the cells
- the phenomena of heat diffusion that is to say the decrease of the temperature
- Edge effects are neglected and all convective exchanges are grouped on one dimension.
- the battery module may be unidimensionally meshed as illustrated in FIG. 4.
- a one-dimensional mathematical model is then established by discretizing the heat equation in each node of a one-dimensional spatial mesh defined in the module. of battery.
- Each node is defined by an index between 1 and n, the distance X with respect to the core of the module varying from 0 for the index node 1 to L for the node of index n.
- An object of the invention is therefore to estimate the temperature at the index node 1 as a function of the temperature measured at the node of index n.
- the terms "node" and "point” will be used interchangeably.
- y is the temperature measured by the sensor outside the wall.
- the previous model serves as the basis for the processing module 20 (observer). However, some correction must be made to ensure convergence (validity of information). This grade is provided via the difference measured between the output of the model f and the measured value y of the temperature at the wall supplied by the temperature sensor 12. The equation of the observer is written thus:
- K is a gain matrix that ensures the observer's convergence in a finite time and y the value given by the observer. 12 temperature sensor at the wall.
- the value of represents the estimate of the temperature at the heart of the battery module supplied as an output signal by the processing module 20 (observer). This estimate can be considered as a reliable value of the internal temperature of the charge accumulation elements.
- the processing module observeer thus emulates a temperature sensor positioned at this location.
- the output signal of the processing module 20 can be operated by a control module adapted to ensure the energy management of the battery.
- the control module may control the cooling of the battery in response to the output signal generated by the processing module 20.
- the estimation of the internal temperature of the cells of the battery obtained by means of the method of the invention is particularly advantageous, in that it constitutes a guarantee for an efficient and safe operation of the battery capacity throughout the entire range of the battery. operation of the vehicle.
- the information provided by the processing module greatly improves the knowledge of the internal temperature of the battery modules. The information it provides thus makes it possible to improve the availability of the battery compared to a battery which does not have the observer.
- the information provided by the observer makes it possible to better estimate these parameters and thereby increase the reliability and autonomy of the vehicles. electric and hybrid.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Secondary Cells (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1158228A FR2980307B1 (fr) | 2011-09-15 | 2011-09-15 | Methode pour estimer la temperature au coeur d'une cellule de batterie |
PCT/FR2012/052042 WO2013038109A1 (fr) | 2011-09-15 | 2012-09-12 | Methode pour estimer la temperature au coeur d'une cellule de batterie |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2756542A1 true EP2756542A1 (fr) | 2014-07-23 |
Family
ID=47022963
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12773029.9A Ceased EP2756542A1 (fr) | 2011-09-15 | 2012-09-12 | Methode pour estimer la temperature au coeur d'une cellule de batterie |
Country Status (7)
Country | Link |
---|---|
US (1) | US9306249B2 (fr) |
EP (1) | EP2756542A1 (fr) |
JP (1) | JP6127052B2 (fr) |
KR (1) | KR101961273B1 (fr) |
CN (1) | CN103891039B (fr) |
FR (1) | FR2980307B1 (fr) |
WO (1) | WO2013038109A1 (fr) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013118724A (ja) * | 2011-12-01 | 2013-06-13 | Toyota Motor Corp | 制御装置および制御方法 |
JP6274166B2 (ja) * | 2015-08-06 | 2018-02-07 | 株式会社デンソー | 電池温度推定装置 |
EP3255721B1 (fr) * | 2016-06-08 | 2020-04-29 | Robert Bosch GmbH | Procédé de régulation de la température d'une cellule de batterie |
DE102016219621A1 (de) * | 2016-10-10 | 2018-04-12 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren zum Abgleich von Berechnungsparametern zur Temperaturbestimmung in einem Energiespeicher |
CN108474823B (zh) * | 2016-11-24 | 2022-02-25 | 荣耀终端有限公司 | 一种估算温度的方法及装置 |
JP6567583B2 (ja) * | 2017-03-15 | 2019-08-28 | 株式会社東芝 | 電池安全性評価装置、電池制御装置、電池安全性評価方法、プログラム、制御回路及び蓄電システム |
CN107860971B (zh) * | 2017-09-25 | 2020-04-24 | 国家电网公司 | 理论温度场模拟的配电表箱老化分析方法 |
CN112292782A (zh) | 2018-06-22 | 2021-01-29 | 松下知识产权经营株式会社 | 电池系统 |
KR102465889B1 (ko) | 2018-12-18 | 2022-11-09 | 주식회사 엘지에너지솔루션 | 이차 전지 팩의 충전 제어 장치 및 방법 |
CN109921111B (zh) * | 2019-03-14 | 2020-08-04 | 上海大学 | 一种锂离子电池内部温度估测方法及系统 |
WO2020189727A1 (fr) * | 2019-03-19 | 2020-09-24 | 株式会社Gsユアサ | Dispositif d'estimation et procédé d'estimation |
JP7274368B2 (ja) * | 2019-07-02 | 2023-05-16 | ビークルエナジージャパン株式会社 | 電池制御システム |
GB2595496B (en) * | 2020-05-28 | 2024-05-08 | Jaguar Land Rover Ltd | System and method for determination of battery temperature |
CN112599887B (zh) * | 2020-12-17 | 2022-04-05 | 潍柴动力股份有限公司 | 电池散热方法、电池散热装置和电池包 |
DE102021205402A1 (de) | 2021-05-27 | 2022-12-01 | Robert Bosch Gesellschaft mit beschränkter Haftung | Verfahren zur Überwachung einer Temperatur einer Batterie |
CN113459839B (zh) * | 2021-07-23 | 2023-04-25 | 吉林省中赢高科技有限公司 | 基于直流充电座温度补偿的方法及装置 |
CN114094197B (zh) * | 2021-11-05 | 2023-12-26 | 江苏景创锂能新能源科技有限公司 | 一种锂电池的生产工艺 |
DE102022133914A1 (de) | 2022-12-19 | 2024-06-20 | Audi Aktiengesellschaft | Steuereinrichtung für ein Kraftfahrzeug und Verfahren zum Ermitteln einer Temperatur in einem Inneren einer Batteriezelle |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0992347A (ja) * | 1995-09-19 | 1997-04-04 | Nissan Motor Co Ltd | バッテリ冷却装置 |
US7358701B2 (en) * | 2003-02-07 | 2008-04-15 | Field Robert B | Method and system for modeling energy transfer |
JP4327692B2 (ja) * | 2004-09-30 | 2009-09-09 | トヨタ自動車株式会社 | 二次電池の充放電制御装置 |
JP4373909B2 (ja) * | 2004-12-28 | 2009-11-25 | 本田技研工業株式会社 | プラントの温度制御装置 |
US7514904B2 (en) | 2005-12-20 | 2009-04-07 | Caterpillar Inc. | System and method for determining battery temperature |
DE102006004786A1 (de) * | 2006-02-02 | 2007-08-09 | Hella Kgaa Hueck & Co. | Verfahren zur Bestimmung einer Systemtemperatur einer elektrochemischen Batterie |
JP5026823B2 (ja) * | 2006-06-22 | 2012-09-19 | プライムアースEvエナジー株式会社 | バッテリ冷却装置 |
JP4802945B2 (ja) * | 2006-08-31 | 2011-10-26 | トヨタ自動車株式会社 | 二次電池の制御システムおよびそれを搭載したハイブリッド車両 |
JP2008249459A (ja) * | 2007-03-30 | 2008-10-16 | Mazda Motor Corp | バッテリの温度推定装置 |
JP4512610B2 (ja) * | 2007-04-27 | 2010-07-28 | 本田技研工業株式会社 | プラントの温度を制御する電子制御装置 |
JP5343512B2 (ja) * | 2008-10-30 | 2013-11-13 | トヨタ自動車株式会社 | 電池パック入出力制御装置 |
DE102009037088A1 (de) * | 2009-08-11 | 2011-02-17 | Bayerische Motoren Werke Aktiengesellschaft | Bestimmung einer Zellkerntemperatur eines Energiespeichers |
US8936394B2 (en) * | 2010-05-25 | 2015-01-20 | GM Global Technology Operations LLC | Real-time estimation of cell core temperature during period of rest |
US8529125B2 (en) * | 2010-05-26 | 2013-09-10 | GM Global Technology Operations LLC | Dynamic estimation of cell core temperature by simple external measurements |
CN102792175B (zh) * | 2010-10-05 | 2015-03-25 | 丰田自动车株式会社 | 蓄电元件的状态推定方法及状态推定装置 |
US8775105B2 (en) * | 2010-10-28 | 2014-07-08 | GM Global Technology Operations LLC | Onboard adaptive battery core temperature estimation |
EP2852999B1 (fr) * | 2012-05-23 | 2020-02-19 | The Regents of the University of Michigan | Estimation de températures de noyau de cellules de batterie dans un bloc-batterie |
-
2011
- 2011-09-15 FR FR1158228A patent/FR2980307B1/fr not_active Expired - Fee Related
-
2012
- 2012-09-12 EP EP12773029.9A patent/EP2756542A1/fr not_active Ceased
- 2012-09-12 JP JP2014530295A patent/JP6127052B2/ja not_active Expired - Fee Related
- 2012-09-12 KR KR1020147009703A patent/KR101961273B1/ko active IP Right Grant
- 2012-09-12 US US14/345,030 patent/US9306249B2/en not_active Expired - Fee Related
- 2012-09-12 CN CN201280050616.9A patent/CN103891039B/zh active Active
- 2012-09-12 WO PCT/FR2012/052042 patent/WO2013038109A1/fr active Application Filing
Non-Patent Citations (2)
Title |
---|
None * |
See also references of WO2013038109A1 * |
Also Published As
Publication number | Publication date |
---|---|
US9306249B2 (en) | 2016-04-05 |
KR20140062515A (ko) | 2014-05-23 |
CN103891039B (zh) | 2017-07-04 |
US20140377605A1 (en) | 2014-12-25 |
FR2980307B1 (fr) | 2014-11-07 |
JP2014531711A (ja) | 2014-11-27 |
CN103891039A (zh) | 2014-06-25 |
JP6127052B2 (ja) | 2017-05-10 |
FR2980307A1 (fr) | 2013-03-22 |
WO2013038109A1 (fr) | 2013-03-21 |
KR101961273B1 (ko) | 2019-03-22 |
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