JP7126498B2 - マルチセルバッテリの均等化 - Google Patents
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- 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
- H02J7/0014—Circuits for equalisation of charge between batteries
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- H—ELECTRICITY
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- 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
- H02J7/0014—Circuits for equalisation of charge between batteries
- H02J7/0016—Circuits for equalisation of charge between batteries using shunting, discharge or bypass circuits
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- 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]
- B60L58/13—Maintaining the SoC within a determined range
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- 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]
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
- B60L58/22—Balancing the charge of battery modules
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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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
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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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
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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
- H01M10/42—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
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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
- H01M10/42—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
- H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells 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
- H02J7/0047—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]
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- 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]
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- 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
- H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
-
- 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
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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
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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
- 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
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Description
(SOC_i-SOC_AlignmentPoint)×SOH_i×NamePlateCapacity
ここで、SOCはセルの現在の充電率(ステップ210において測定する)、SOC_AlignmentPointは目標充電率に対応する充電率、SOH_iはセルの現在の劣化状態(ステップ210において測定する)、NamePlateCapacityはセルの定格容量(すなわちセルに保持できる電荷の総量)である。SOC_AlignmentPointはユーザが設定でき、セルの動作範囲のほぼ中間を選択することが好ましい。例えば、セルを20%~80%のSOC範囲で運用する場合は、SOC_AlignmentPointを約50%と選択することが好ましい。本実施形態におけるSOC_AlignmentPointのデフォルト値は60%である。各セルの整合距離が計算されると、処理がステップ214に移る。
AhOutOfBalance=(AhDifference-整合距離)の絶対値
AhOutOfBalance_i=(AhConvergencePoint-charge_quantity_i)の絶対値
ここで、charge_quantity_iは(SOC_i×SOH_i×NamePlateCapacity)に等しい。SOC_iはセルの現在の充電率、AhConvergencePointは目標電荷量、SOH_iはセルの現在の劣化状態、NamePlateCapacityはセルの定格容量(すなわちセルに保持できる電荷の総量)である。
(SOC_i×SOH_i×NamePlateCapacity)-AhConvergencePoint
Claims (24)
- マルチセルバッテリを均等化する方法であって、
セルごとに、前記セルの現在電荷量に基づいて、全てのセルについて同じである所定の目標充電率を含む目標整合点を達成するために必要な電荷量の変化量を定義する整合距離を測定することと、
測定された前記整合距離に基づいて1個以上の不均等セルを特定することと、
測定された前記整合距離に従って各不均等セルの前記現在電荷量を調整することによって各不均等セルを均等化することであって、各不均等セルの均等化が、前記マルチセルバッテリの前記セルの前記整合距離が整合距離設定点の所定の範囲内になるように各不均等セルの前記現在電荷量を調整することを含み、前記整合距離設定点が、測定された前記整合距離のうち、事前設定された個数の最小値の平均を含む、均等化すること
を含む方法。 - 請求項1に記載の方法であって、各セルの整合距離の測定がさらに前記セルの充電容量に基づく方法。
- 請求項1~2のいずれか1項に記載の方法であって、前記目標整合点が前記マルチセルバッテリの動作範囲内に含まれ、前記動作範囲が、使用中に前記マルチセルバッテリの各セルが動作する範囲である電荷量または充電率の範囲を含む方法。
- 請求項3に記載の方法であって、充電率が100%である第2のセルの電荷量と第1のセルの電荷量が等しい状態である最大充電率によって前記動作範囲の境界が規定される方法。
- 請求項4に記載の方法であって、前記第1のセルが、充電率100%のときに前記マルチセルバッテリの前記セルの中で最大の電荷量を持ち、前記第2のセルが、充電率100%のときに前記マルチセルバッテリの前記セルの中で最小の電荷量を持つ方法。
- 請求項1~5のいずれか1項に記載の方法であって、不均等セルの均等化が、前記不均等セルの前記現在電荷量をAhOutOfBalance=(整合距離設定点-整合距離)の絶対値による量だけ調整することを含む方法。
- 請求項1~6のいずれか1項に記載の方法であって、各不均等セルについてAhOutOfBalanceが所定の電荷量しきい値より大きいかどうかを判別し、該条件が満たされている場合に前記不均等セルの前記均等化を行うことをさらに含む方法。
- 請求項1~7のいずれか1項に記載の方法であって、各不均等セルについてAhOutOfBalanceが前記整合距離設定点の所定の割合より大きいかどうかを判別し、該条件が満たされている場合に前記不均等セルの前記均等化を行うことをさらに含む方法。
- 請求項1~8に記載の方法であって、SOC_iを前記セルの現在充電率とし、SOC_AlignmentPointを前記目標充電率とし、SOH_iを前記セルの劣化状態とし、NamePlateCapacityを前記セルの定格容量として
(SOC_i-SOC_AlignmentPoint)×SOH_i×NamePlateCapacity
に従って整合距離が測定される方法。 - 請求項1~9に記載の方法であって、前記目標充電率が20%から80%まである方法。
- 請求項10に記載の方法であって、前記目標充電率が50%から60%まである方法。
- 請求項1~11のいずれか1項に記載の方法であって、前記目標充電率を前記マルチセルバッテリのユーザが設定することができる方法。
- 請求項1~12のいずれか1項に記載の方法であって、各不均等セルについて前記不均等セルから流出する電流が所定の電流範囲内であるかどうかを判別し、該条件が満たされている場合に前記不均等セルの前記均等化を行うことをさらに含む方法。
- 請求項1~13のいずれか1項に記載の方法であって、各不均等セルについて前記不均等セルの現在充電率が充電率しきい値より大きいかどうかを判別し、該条件が満たされている場合に前記不均等セルの前記均等化を行うことをさらに含む方法。
- 請求項1~14のいずれか1項に記載の方法であって、不均等セルの均等化が、前記不均等セルに接続された均等化回路を使用して前記不均等セルに保持されている電荷を放出
することを含む方法。 - 請求項1~15のいずれか1項に記載の方法であって、前記整合距離を測定する前に、前記マルチセルバッテリの各セルの両端で測定された電圧が定常状態に到達したかどうかを判別することをさらに含む方法。
- 請求項1~16のいずれか1項に記載の方法であって、前記セルの動作中に前記整合距離が測定される方法。
- 請求項17に記載の方法であって、前記マルチセルバッテリの放電電流が1Aを超えている間に前記整合距離が測定される方法。
- 請求項18に記載の方法であって、前記マルチセルバッテリの放電電流が5Aを超えている間に前記整合距離が測定される方法。
- 請求項1~19のいずれか1項に記載の方法であって、前記マルチセルバッテリの前記セルの充電容量が20Ahと180Ahの間である方法。
- 請求項1~20のいずれか1項に記載の方法であって、前記マルチセルバッテリが100kWと800kWの間の最大出力電力を供給するように構成される方法。
- 請求項1~21のいずれか1項に記載の方法であって、前記マルチセルバッテリが最大10,000Aの放電電流を供給するように構成される方法。
- マルチセルバッテリを均等化するためのシステムであって、
前記マルチセルバッテリの各セルに並列接続された均等化回路と、
1個以上のプロセッサと
を備え、前記プロセッサが、
セルごとに、前記セルの現在電荷量に基づいて所定の目標充電率を含む目標整合点を達成するために必要な電荷量の変化量を定義する整合距離を測定し、
測定された前記整合距離に基づいて1個以上の不均等セルを特定し、
測定された前記整合距離に従って各不均等セルの前記現在電荷量を調整することによって各不均等セルを均等化し、各不均等セルの均等化が、前記マルチセルバッテリの前記セルの前記整合距離が整合距離設定点の所定の範囲内になるように各不均等セルの前記現在電荷量を調整することを含み、前記整合距離設定点が、測定された前記整合距離のうち、事前設定された個数の最小値の平均を含む
ように構成されるシステム。 - コンピュータによる読み込みが可能な一時的でない媒体であって、コンピュータによる読み込みが可能な命令が前記媒体に格納され、前記命令によって、コンピュータによる読み込み時に請求項1に記載の方法が実行されるように構成される媒体。
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US201662418728P | 2016-11-07 | 2016-11-07 | |
US62/418,728 | 2016-11-07 | ||
PCT/CA2017/051323 WO2018081912A1 (en) | 2016-11-07 | 2017-11-07 | Balancing a multi-cell battery |
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JP2019534671A JP2019534671A (ja) | 2019-11-28 |
JP7126498B2 true JP7126498B2 (ja) | 2022-08-26 |
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EP (1) | EP3535827A4 (ja) |
JP (1) | JP7126498B2 (ja) |
KR (1) | KR102508322B1 (ja) |
CN (1) | CN110574252B (ja) |
CA (1) | CA3043117A1 (ja) |
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Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DK179053B1 (en) * | 2016-04-16 | 2017-09-18 | Lithium Balance As | Cell balancing method and system |
US10897143B2 (en) * | 2018-08-22 | 2021-01-19 | Texas Instruments Incorporated | Passive cell-balancing with dynamic charge control |
DE102018214566A1 (de) * | 2018-08-29 | 2020-03-05 | Robert Bosch Gmbh | Verfahren zur Durchführung eines kombinierten Lade- und Cell-Balancing-Vorgangs für ein elektrisch angetriebenes Fortbewegungsmittel |
CA3137550C (en) | 2019-04-23 | 2024-05-21 | Dpm Technologies Inc. | Fault tolerant rotating electric machine |
US11088561B2 (en) * | 2019-04-26 | 2021-08-10 | Ykmc, Inc. | Battery management system using temperature information including a variably-set reference temperature |
US11670952B2 (en) * | 2019-10-18 | 2023-06-06 | Fca Us Llc | Voltage estimation for automotive battery charging system control |
KR20220148006A (ko) * | 2021-04-28 | 2022-11-04 | 현대자동차주식회사 | 배터리 모듈 정렬도 검사 시스템 및 그 방법 |
CA3217299A1 (en) | 2021-05-04 | 2022-11-10 | Tung Nguyen | Battery control systems and methods |
CA3159864A1 (en) | 2021-05-13 | 2022-11-13 | Exro Technologies Inc. | Method and apparatus to drive coils of a multiphase electric machine |
KR102646533B1 (ko) * | 2022-06-29 | 2024-03-13 | 주식회사 모큐라텍 | SoH 정보를 이용한 배터리 셀의 충방전 장치 및 방법 |
CN116760156A (zh) * | 2023-08-22 | 2023-09-15 | 深圳海辰储能控制技术有限公司 | 电量均衡方法、装置、计算机设备和存储介质 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003087987A (ja) | 2001-09-13 | 2003-03-20 | Mitsubishi Heavy Ind Ltd | 直列接続の電池群の充放電回路 |
JP2003333762A (ja) | 2002-05-14 | 2003-11-21 | Japan Storage Battery Co Ltd | 組電池用の電圧レベル均等化装置 |
JP2009081981A (ja) | 2007-09-27 | 2009-04-16 | Sanyo Electric Co Ltd | 充電状態最適化装置及びこれを具えた組電池システム |
JP2009113702A (ja) | 2007-11-08 | 2009-05-28 | Shin Kobe Electric Mach Co Ltd | 劣化判定装置 |
JP2013027110A (ja) | 2011-07-19 | 2013-02-04 | Hitachi Ltd | 電池システム |
JP2014023354A (ja) | 2012-07-20 | 2014-02-03 | Toyota Industries Corp | 電池制御装置、および電池パック |
JP2016024162A (ja) | 2014-07-24 | 2016-02-08 | 矢崎総業株式会社 | 充電率推定装置及び電源システム |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6114835A (en) * | 1999-07-26 | 2000-09-05 | Unitrode Corporation | Multi-cell battery pack charge balancing circuit |
DE10134147A1 (de) | 2001-07-13 | 2003-02-06 | Daimler Chrysler Ag | Vorrichtung für den Ladungsausgleich |
US6624612B1 (en) * | 2001-10-30 | 2003-09-23 | Symbol Technologies, Inc. | System and method to facilitate voltage balancing in a multi-cell battery |
US7126312B2 (en) * | 2004-07-28 | 2006-10-24 | Enerdel, Inc. | Method and apparatus for balancing multi-cell lithium battery systems |
US7525285B2 (en) * | 2004-11-11 | 2009-04-28 | Lg Chem, Ltd. | Method and system for cell equalization using state of charge |
EP1814206A1 (en) | 2006-01-27 | 2007-08-01 | Berner Fachhochschule Hochschule für Technik und Architektur Biel | Battery balancing apparatus |
US8058844B2 (en) * | 2006-05-31 | 2011-11-15 | Aeroflex Plainview, Inc. | Low-power battery system |
WO2009038564A1 (en) | 2007-09-20 | 2009-03-26 | Utc Power Corporation | State of charge calculator for multi-cell energy storage system having cell balancing |
TW200937798A (en) * | 2008-02-29 | 2009-09-01 | Cheng Uei Prec Ind Co Ltd | Balance circuit for battery pack |
US8350528B2 (en) * | 2009-02-04 | 2013-01-08 | Samsung Sdi Co., Ltd. | Battery pack and balancing method of battery cells |
CN102668311B (zh) * | 2009-12-14 | 2016-04-06 | 李持国际有限公司 | 平衡多芯电池的***和方法 |
DE102010002326A1 (de) * | 2010-02-25 | 2011-08-25 | SB LiMotive Company Ltd., Kyonggi | Verfahren zum Ausbalancieren von Ladezuständen einer Batterie mit mehreren Batteriezellen sowie ein entsprechendes Batteriemanagementsystem und eine Batterie |
US8901886B2 (en) * | 2010-06-30 | 2014-12-02 | Qnovo Inc. | Method and circuitry to recover energy from discharge signals of a charging operation of a battery/cell |
US20120086401A1 (en) * | 2010-10-07 | 2012-04-12 | Intersil Americas Inc. | Cell balancing circuit for use in a multi-cell battery system |
US8598847B2 (en) * | 2010-12-07 | 2013-12-03 | Volkswagen Ag | Balancing voltage for a multi-cell battery system |
US20130043840A1 (en) * | 2011-08-16 | 2013-02-21 | GM Global Technology Operations LLC | Systems and methods for performing cell balancing in a vehicle using cell capacities |
US8854008B2 (en) * | 2011-12-08 | 2014-10-07 | GM Global Technology Operations LLC | Combined PI feedback and feedforward cell balancing method |
US20130328529A1 (en) * | 2012-06-12 | 2013-12-12 | Alexander Danilo Zbrozek | System and method for balancing multi-cell battery systems |
DE102012011604A1 (de) * | 2012-06-12 | 2013-12-12 | Volkswagen Aktiengesellschaft | Verfahren zum Betrieb einer Batterie für ein Fahrzeug sowie entsprechende Batterieanordnung und Fahrzeug |
US9362772B2 (en) * | 2012-08-14 | 2016-06-07 | Texas Instruments Incorporated | System and method for balancing voltages |
US9379416B2 (en) * | 2012-10-22 | 2016-06-28 | GM Global Technology Operations LLC | Method for performing cell balancing of a battery system based on cell capacity values |
JP2014155401A (ja) | 2013-02-13 | 2014-08-25 | Toyota Motor Corp | 蓄電システム |
DE102013203174A1 (de) | 2013-02-26 | 2014-08-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren und Vorrichtung zum Erhöhen der verfügbaren Kapazität in einem Batteriestrang durch Angleichen der Zell-Ladungsmengen, Batteriemanagementsystem, Batterie und Batterieladegerät |
PL3045925T3 (pl) * | 2015-01-14 | 2023-08-07 | Corvus Energy Ltd. | Sposób i układ do iteracyjnego określania stanu naładowania ogniwa akumulatorowego |
US10547184B2 (en) * | 2015-02-18 | 2020-01-28 | The Boeing Company | System and method for battery management |
US10283973B2 (en) * | 2016-04-11 | 2019-05-07 | Microchip Technology Incorporated | Balanced battery charging system |
DK3504696T3 (en) * | 2016-08-23 | 2023-01-09 | Corvus Energy Inc | Optisk kommunikativt batteristyringssystem |
-
2017
- 2017-11-07 WO PCT/CA2017/051323 patent/WO2018081912A1/en unknown
- 2017-11-07 EP EP17866560.0A patent/EP3535827A4/en active Pending
- 2017-11-07 KR KR1020197016150A patent/KR102508322B1/ko active IP Right Grant
- 2017-11-07 US US16/348,078 patent/US11171494B2/en active Active
- 2017-11-07 CN CN201780081937.8A patent/CN110574252B/zh active Active
- 2017-11-07 JP JP2019523539A patent/JP7126498B2/ja active Active
- 2017-11-07 CA CA3043117A patent/CA3043117A1/en not_active Abandoned
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003087987A (ja) | 2001-09-13 | 2003-03-20 | Mitsubishi Heavy Ind Ltd | 直列接続の電池群の充放電回路 |
JP2003333762A (ja) | 2002-05-14 | 2003-11-21 | Japan Storage Battery Co Ltd | 組電池用の電圧レベル均等化装置 |
JP2009081981A (ja) | 2007-09-27 | 2009-04-16 | Sanyo Electric Co Ltd | 充電状態最適化装置及びこれを具えた組電池システム |
JP2009113702A (ja) | 2007-11-08 | 2009-05-28 | Shin Kobe Electric Mach Co Ltd | 劣化判定装置 |
JP2013027110A (ja) | 2011-07-19 | 2013-02-04 | Hitachi Ltd | 電池システム |
JP2014023354A (ja) | 2012-07-20 | 2014-02-03 | Toyota Industries Corp | 電池制御装置、および電池パック |
JP2016024162A (ja) | 2014-07-24 | 2016-02-08 | 矢崎総業株式会社 | 充電率推定装置及び電源システム |
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KR20190077070A (ko) | 2019-07-02 |
CN110574252A (zh) | 2019-12-13 |
US20190280488A1 (en) | 2019-09-12 |
JP2019534671A (ja) | 2019-11-28 |
WO2018081912A1 (en) | 2018-05-11 |
CA3043117A1 (en) | 2018-05-11 |
EP3535827A4 (en) | 2020-04-29 |
US11171494B2 (en) | 2021-11-09 |
KR102508322B1 (ko) | 2023-03-08 |
EP3535827A1 (en) | 2019-09-11 |
CN110574252B (zh) | 2023-11-24 |
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