JP4512062B2 - 複数のリチウムイオン二次電池を直列接続した組電池の電圧バランス調整法 - Google Patents
複数のリチウムイオン二次電池を直列接続した組電池の電圧バランス調整法 Download PDFInfo
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- JP4512062B2 JP4512062B2 JP2006154563A JP2006154563A JP4512062B2 JP 4512062 B2 JP4512062 B2 JP 4512062B2 JP 2006154563 A JP2006154563 A JP 2006154563A JP 2006154563 A JP2006154563 A JP 2006154563A JP 4512062 B2 JP4512062 B2 JP 4512062B2
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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
Description
Claims (2)
- 充電により組電池の各電池セル間の電圧のバラツキを調整する複数のリチウムイオン二次電池を直列接続した組電池の電圧バランス調整法であって、
前記リチウムイオン二次電池の充電特性で電圧上昇が鈍くなる電圧飽和領域近傍の電圧を満充電電圧に設定し、前記満充電電圧と化学変化や熱暴走反応が起こり始める限界電圧との間に過充電保護電圧を設定して、前記複数のリチウムイオン二次電池のいずれかが前記過充電保護電圧に達するか、前記組電池電圧が前記複数のリチウムイオン二次電池の前記満充電電圧を合計した電圧に達するまで充電を行うことにより、前記複数のリチウムイオン二次電池の電圧バラツキを調整することを特徴とする複数のリチウムイオン二次電池を直列接続した組電池の電圧バランス調整法。 - 充電により組電池の各電池セル間の電圧のバラツキを調整する複数のリチウムイオン二次電池を直列接続した組電池の電圧バランス調整法であって、
前記リチウムイオン二次電池の充電特性で電圧上昇が鈍くなる電圧飽和領域近傍の電圧を満充電電圧に設定し、前記満充電電圧と化学変化や熱暴走反応が起こり始める限界電圧との間に過充電保護電圧を設定すると共に前記満充電電圧より低い解除電圧を設定して充電を行い、前記複数のリチウムイオン二次電池のいずれかが前記過充電保護電圧に達したことを条件に充電を停止し、前記解除電圧まで低下したことを条件に前記過充電保護電圧に達するまで充電を繰り返し行い、前記組電池電圧が前記複数のリチウムイオン二次電池の前記満充電電圧を合計した電圧に達したことを条件に充電を終了させることにより、前記複数のリチウムイオン二次電池の電圧バラツキを調整することを特徴とする複数のリチウムイオン二次電池を直列接続した組電池の電圧バランス調整法。
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JP2006154563A JP4512062B2 (ja) | 2006-06-02 | 2006-06-02 | 複数のリチウムイオン二次電池を直列接続した組電池の電圧バランス調整法 |
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JP2006154563A JP4512062B2 (ja) | 2006-06-02 | 2006-06-02 | 複数のリチウムイオン二次電池を直列接続した組電池の電圧バランス調整法 |
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JP2007325451A JP2007325451A (ja) | 2007-12-13 |
JP4512062B2 true JP4512062B2 (ja) | 2010-07-28 |
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Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
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US8159191B2 (en) * | 2007-04-17 | 2012-04-17 | Tsun-Yu Chang | Advanced rechargeable battery system |
JP4824040B2 (ja) * | 2007-12-14 | 2011-11-24 | 富士通株式会社 | 電池回路の制御装置、充電制御装置、これを用いた電子機器、および制御方法 |
JP2011101517A (ja) * | 2009-11-06 | 2011-05-19 | Sanyo Electric Co Ltd | パック電池 |
US9450426B2 (en) | 2011-03-07 | 2016-09-20 | A123 Systems Llc | Method for opportunistically balancing charge between battery cells |
WO2012165629A1 (ja) | 2011-06-03 | 2012-12-06 | 三洋電機株式会社 | 組電池の制御システム及びそれを備える電力供給システム |
US20140159664A1 (en) * | 2011-07-08 | 2014-06-12 | Nec Energy Devices, Ltd. | Method of manufacturing battery pack and battery pack |
US8901888B1 (en) | 2013-07-16 | 2014-12-02 | Christopher V. Beckman | Batteries for optimizing output and charge balance with adjustable, exportable and addressable characteristics |
JP6403112B2 (ja) * | 2014-09-26 | 2018-10-10 | パナソニックIpマネジメント株式会社 | 蓄電システムおよび制御装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08140278A (ja) * | 1994-11-11 | 1996-05-31 | Nissan Motor Co Ltd | 組電池の充放電保護装置 |
JP2005151696A (ja) * | 2003-11-14 | 2005-06-09 | Sony Corp | バッテリパック、バッテリ保護処理装置、およびバッテリ保護処理装置の制御方法 |
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH08140278A (ja) * | 1994-11-11 | 1996-05-31 | Nissan Motor Co Ltd | 組電池の充放電保護装置 |
JP2005151696A (ja) * | 2003-11-14 | 2005-06-09 | Sony Corp | バッテリパック、バッテリ保護処理装置、およびバッテリ保護処理装置の制御方法 |
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