JP2013538549A - 複数のバッテリセルを備えたバッテリの充電状態を平衡化する方法、ならびに、対応するバッテリ管理システムおよびバッテリ - Google Patents
複数のバッテリセルを備えたバッテリの充電状態を平衡化する方法、ならびに、対応するバッテリ管理システムおよびバッテリ Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 64
- 210000004027 cell Anatomy 0.000 claims abstract description 139
- 210000004460 N cell Anatomy 0.000 claims abstract description 37
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 9
- 229910001416 lithium ion Inorganic materials 0.000 claims description 9
- 230000001939 inductive effect Effects 0.000 claims description 4
- 238000005457 optimization Methods 0.000 abstract 1
- 238000011067 equilibration Methods 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- -1 nickel metal hydride Chemical class 0.000 description 1
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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
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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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
-
- 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
- B60L58/22—Balancing the charge of battery modules
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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
-
- 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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- 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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- Transportation (AREA)
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Abstract
【選択図】図5
Description
SOCZiel,n=1−DODk/Capn、
ただし、Capnは変更すべきセルの容量である、
上記方法が提示される。
f(SOCn−SOCZiel,n)>A、
ただし、Aは設定される閾値。
S1 n=1〜N個のセル全ての個別のセル容量Capnを決定し、
S2 n=1〜N個のセルの、最小容量Capkを有するk番目のセルを決定し、
S3 n=1〜N個のセル全ての個別の充電状態SOCnを決定し、
S4 n=1〜N個のセル全ての放電深度DODnを決定し、このことは好適に、DODn=Capn−SOCn *Capnに基づいて行われ、
S5 DODZiel,n=DODkに基づいて、n=1〜N個のセル全てについて目標放電深度DODZiel,nを決定し、
S6 SOCZiel,n=1−DODZiel,n/Capnに基づいて、n=1〜N個のセル全ての目標充電状態SOCZiel,nを決定し、
S7 セルの充電状態SOCnと、n=1〜N個のセル全てのその目標充電状態SOCZiel,nとの偏差を決定し、その際、ΔSOCZiel,n=SOCn−SOCZiel,nであり、
S8 セルの充電状態SOCnと、n=1〜N個のセル全てのその目標充電状態SOCZiel,nとの最小偏差ΔSOCminを決定し、その際、ΔSOCmin=minΔSOCZiel,nであり、
S9 ΔSOCZiel,n−ΔSOCmin>X(ただし、Xは、X>0のパラメータ)に当てはまる、n=1〜N個のセルのうちの少なくとも1つを放電し、
S10 n=1〜N個のセル全てが、ΔSOCZiel,n−ΔSOCmin≦Xに当てはまる場合には、次の工程S11にとび、全セルが、ΔSOCZiel,n−ΔSOCmin≦Xに当てはまらない場合には、個別の充電状態を定める工程S3に戻り、後続の工程を繰り返し、
S11 本方法を終了する。
Claims (10)
- N個のバッテリセルを有するバッテリの充電状態を平衡化する方法であって、
n=1〜N個の前記セルの個別の前記充電状態(SOCn)を平衡化するために、少なくとも1つのセルの前記充電状態が、目標充電状態(SOCZiel,n)に変更され、
前記目標充電状態(SOCZiel,n)は、以下の数式にしたがって、最小容量(Capk)を有する前記セルの放電深度(DODk)に依存する、
SOCZiel,n=1−DODk/Capn、
ただし、Capnは、変更すべきn番目のセルの容量である、
方法。 - (S1)n=1〜N個のセル全ての個別のセル容量(Capn)を決定する工程と、
(S2)n=1〜N個の前記セルの、最小容量(Capk)を有するk番目のセルを決定する工程と、
(S3)n=1〜N個のセル全ての前記個別の充電状態(SOCn)を決定する工程と、
(S4)n=1〜N個のセル全ての前記放電深度(DODn)を決定する工程と、
(S5)DODZiel,n=DODkに基づいて、n=1〜N個のセル全てについて目標放電深度(DODZiel,n)を決定する工程と、
(S6)SOCZiel,n=1−DODZiel,n/Capnに基づいて、n=1〜N個のセル全てについて目標充電状態(SOCZiel,n)を決定する工程と、
(S7)セルの前記充電状態(SOCn)と、n=1〜N個のセル全てのその目標充電状態(SOCZiel,n)との偏差を決定する工程であって、その際、ΔSOCZiel,n=SOCn−SOCZiel,nである、前記決定する工程と、
(S8)セルの前記充電状態(SOCn)と、n=1〜N個のセル全てのその目標充電状態(SOCZiel,n)との最小の前記偏差(ΔSOCmin)を決定する工程であって、その際、ΔSOCmin=min(ΔSOCZiel,n)である、前記決定する工程と、
(S9)以下の条件に当てはまるn=1〜N個の前記セルのうちの少なくとも1つを放電する工程であって、
ΔSOCZiel,n−ΔSOCmin>X、
ただし、Xは、X>0のパラメータである、
前記放電する工程と、
(S10)n=1〜N個のセル全てが、ΔSOCZiel,n−ΔSOCmin≦Xに当てはまる場合には、次の工程(S11)にとび、全セルが、ΔSOCZiel,n−ΔSOCmin≦Xに当てはまらない場合には、前記個別の充電状態を決定する工程(S3)に戻り、その後に続く工程を繰り返す工程と、
(S11)本方法を終了する工程と、
を含む、請求項1に記載の方法。 - 前記放電する工程において、ΔSOCZiel,n−ΔSOCmin>Xに当てはまる全セルが放電される、請求項2に記載の方法。
- 予め定められた時間間隔で、前記個別の充電状態を決定する工程(S3)に戻る、請求項2または3に記載の方法。
- 前記充電状態(SOC)は百分率で示され、前記パラメータXは、0よりも大きく、かつ、6%よりも小さく、好適に3%よりも小さい、請求項2〜4のいずれか1項に記載の方法。
- 充電状態の容量型均衡化および誘導型均衡化のために、前記放電する工程(S9)は、以下の条件に当てはまるn=1〜N個の前記セルの少なくとも1つを充電するために、前記放電されたセルの放電電流を供給する工程、
ΔSOCZiel,n−ΔSOCmin<Y、
ただし、X>Y
をさらに含む、請求項2〜5のいずれか1項に記載の方法。 - ΔSOCZiel,n−ΔSOCmin<Yに当てはまる全セルが同時に充電される、請求項6に記載の方法。
- 請求項1〜7のいずれか1項に記載の方法を含む、バッテリのためのバッテリ管理システム。
- 請求項8に記載のバッテリ管理システムを備えたバッテリ、特にリチウムイオンバッテリ。
- 請求項9に記載のバッテリを備えた車両。
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DE102010039913A DE102010039913A1 (de) | 2010-08-30 | 2010-08-30 | Verfahren zum Ausbalancieren von Ladezuständen einer Batterie mit mehreren Batteriezellen sowie ein entsprechendes Batteriemanagementsystem und eine Batterie |
PCT/EP2011/063652 WO2012028427A1 (de) | 2010-08-30 | 2011-08-09 | Verfahren zum ausbalancieren von ladezuständen einer batterie mit mehreren batteriezellen sowie ein entsprechendes batteriemanagementsystem und eine batterie |
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EP (1) | EP2611646B1 (ja) |
JP (1) | JP5547348B2 (ja) |
CN (1) | CN103260936B (ja) |
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JP2015528690A (ja) * | 2012-09-15 | 2015-09-28 | 日本テキサス・インスツルメンツ株式会社 | 予測平衡化を用いるバッテリパック管理のためのシステム及び方法 |
JP2016010272A (ja) * | 2014-06-25 | 2016-01-18 | Evtd株式会社 | バランス補正制御装置、バランス補正システム及び蓄電システム |
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WO2012028427A1 (de) | 2012-03-08 |
DE102010039913A1 (de) | 2012-03-01 |
CN103260936A (zh) | 2013-08-21 |
EP2611646A1 (de) | 2013-07-10 |
US10074876B2 (en) | 2018-09-11 |
JP5547348B2 (ja) | 2014-07-09 |
EP2611646B1 (de) | 2018-11-07 |
US20140159665A1 (en) | 2014-06-12 |
CN103260936B (zh) | 2016-01-20 |
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