JP5312768B2 - 電池システム - Google Patents
電池システム Download PDFInfo
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- JP5312768B2 JP5312768B2 JP2007257826A JP2007257826A JP5312768B2 JP 5312768 B2 JP5312768 B2 JP 5312768B2 JP 2007257826 A JP2007257826 A JP 2007257826A JP 2007257826 A JP2007257826 A JP 2007257826A JP 5312768 B2 JP5312768 B2 JP 5312768B2
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- 238000007600 charging Methods 0.000 claims description 237
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 114
- 229910001416 lithium ion Inorganic materials 0.000 claims description 114
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 85
- 229910052759 nickel Inorganic materials 0.000 claims description 45
- -1 nickel metal hydride Chemical class 0.000 claims description 45
- 229910052987 metal hydride Inorganic materials 0.000 claims description 44
- 229910000652 nickel hydride Inorganic materials 0.000 claims description 40
- 238000010280 constant potential charging Methods 0.000 claims description 29
- 238000001514 detection method Methods 0.000 claims description 15
- 239000001257 hydrogen Substances 0.000 claims description 12
- 229910052739 hydrogen Inorganic materials 0.000 claims description 12
- 230000007423 decrease Effects 0.000 description 23
- 239000002253 acid Substances 0.000 description 15
- 239000007864 aqueous solution Substances 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 10
- 238000013459 approach Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 5
- 238000010277 constant-current charging Methods 0.000 description 5
- 229910052744 lithium Inorganic materials 0.000 description 5
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 230000001771 impaired effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000007774 positive electrode material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical compound [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
Images
Classifications
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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
- H01M16/00—Structural combinations of different types of electrochemical generators
-
- 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
-
- 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
- H01M10/24—Alkaline accumulators
- H01M10/30—Nickel accumulators
-
- 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
- H01M10/34—Gastight accumulators
- H01M10/345—Gastight metal hydride accumulators
-
- 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
- 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
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
-
- 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
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
-
- 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]
- G01R31/364—Battery terminal connectors with integrated measuring arrangements
-
- 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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49108—Electric battery cell making
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Hybrid Cells (AREA)
Description
CGR18650DA(電池容量2.45Ah)を3セルとHHR260SCP(電池容量2.6Ah)を2セルの計5セルを直列に接続し、実施例1の組電池とした。
CGR18650DA(電池容量2.45Ah)を3セルとHHR260SCP(電池容量2.6Ah)を3セルの計6セルを直列に接続し、実施例2の組電池とした。
CGR18650DA(電池容量2.45Ah)を2セルとHHR260SCP(電池容量2.6Ah)を5セルの計7セルを直列に接続し、実施例3の組電池とした。
LC−P122R2J(電池容量2.2Ah)1セルを比較例1の組電池とした。
CGR18650DA(電池容量2.45Ah)を3セルとHHR200SCP(電池容量2.1Ah)を2セルの計5セルを直列に接続し、比較例2の組電池とした。
リチウムイオン二次電池2として松下電池工業(株)製CGR26650(電池容量2.65Ah)を3個、ニッケル水素二次電池3として松下電池工業(株)製HHR300SCP(電池容量3.0Ah)を2個、直列接続して図2に示す組電池1を構成した。
次に、実施例4に示す組電池1を放電させた場合について説明する。図5は、実施例4に示す組電池1を、45℃の温度環境で、10Aで放電させた際の、組電池1の端子電圧Vb、リチウムイオン二次電池2の各端子電圧V1、及びニッケル水素二次電池3の各端子電圧V2の測定結果を示すグラフである。
2 リチウムイオン二次電池
3 ニッケル水素二次電池
4,5 接続端子
6 筐体
7 接続板
10 電池システム
11 充電回路
12 電圧センサ
13 電流センサ
14 充電電流供給回路
15 制御部
Ib 充電電流
Vb 充電電圧(端子電圧)
Claims (6)
- 組電池と、
予め設定された一定の充電電圧を出力する定電圧充電を行う充電回路とを備え、
前記組電池は、
ニッケル水素二次電池と、
前記ニッケル水素二次電池よりも、一つあたりの電池容量が小さいリチウムイオン二次電池とを備え、
前記ニッケル水素二次電池と前記リチウムイオン二次電池とが直列接続されており、
前記ニッケル水素二次電池と、前記リチウムイオン二次電池とは、満充電状態における端子電圧が異なり、
前記ニッケル水素二次電池と前記リチウムイオン二次電池とが直列接続された直列回路の両端には、前記充電回路から、前記充電電圧を受電するための接続端子が設けられ、
前記ニッケル水素二次電池の満充電状態における端子電圧は、約1.4Vであり、
前記リチウムイオン二次電池の満充電状態における端子電圧は、約4.2Vまたは約4.3Vであり、
前記充電電圧は、実質的に14.5VをN倍(Nは1以上の整数)して得られる電圧であり、
前記直列回路は、2のN倍の数のニッケル水素二次電池と3のN倍の数のリチウムイオン二次電池とが直列接続されており、
前記ニッケル水素二次電池の満充電状態における端子電圧に、前記直列回路に含まれる当該ニッケル水素二次電池の個数を乗じた電圧と、前記リチウムイオン二次電池の満充電状態における端子電圧に、前記直列回路に含まれる当該リチウムイオン二次電池の個数を乗じた電圧との合計電圧が、前記リチウムイオン二次電池の満充電状態における端子電圧を整数倍して得られる電圧のうち前記充電電圧以上であってかつ前記充電電圧に最も近い電圧よりも前記充電電圧との差が小さく、かつ前記充電電圧以上になるように、前記ニッケル水素二次電池の個数と、前記リチウムイオン二次電池の個数とが設定されていること
を特徴とする電池システム。 - 前記充電回路は、鉛蓄電池用の充電回路であること
を特徴とする請求項1記載の電池システム。 - 前記リチウムイオン二次電池は、
前記ニッケル水素二次電池よりも平均放電電圧が高いこと
を特徴とする請求項1又は2に記載の電池システム。 - 前記ニッケル水素二次電池と前記リチウムイオン二次電池とが直列接続された直列回路の両端には、予め設定された動作電源電圧以上の電源電圧が供給された場合に動作する負荷装置へ、当該直列回路の両端電圧を前記電源電圧として供給するための接続端子が設けられ、
前記ニッケル水素二次電池の平均放電電圧に、前記直列回路に含まれる当該ニッケル水素二次電池の個数を乗じた電圧と、前記リチウムイオン二次電池の過放電を防止するために放電を停止するべき電圧として予め設定された放電終止電圧に、前記直列回路に含まれる当該リチウムイオン二次電池の個数を乗じた電圧との合計電圧が、前記動作電源電圧より低くなるように、前記ニッケル水素二次電池の個数と、前記リチウムイオン二次電池の個数とが設定されていること
を特徴とする請求項1〜3のいずれか1項に記載の電池システム。 - 前記動作電源電圧は、実質的に10.0V以上、10.5V以下の範囲の電圧であり、
前記直列回路は、2個のニッケル水素二次電池と3個のリチウムイオン二次電池とが直列接続されていること
を特徴とする請求項4記載の電池システム。 - 前記組電池の前記負荷装置への放電経路を開閉するスイッチング素子と、
前記組電池の両端電圧を検出する電圧検出部と、
前記ニッケル水素二次電池の平均放電電圧に、前記直列回路に含まれる当該ニッケル水素二次電池の個数を乗じた電圧と、前記リチウムイオン二次電池の平均放電電圧に、前記直列回路に含まれる当該リチウムイオン二次電池の個数を乗じた電圧との合計電圧より低く、前記ニッケル水素二次電池の平均放電電圧に、前記直列回路に含まれる当該ニッケル水素二次電池の個数を乗じた電圧と、前記リチウムイオン二次電池の前記放電終止電圧に、前記直列回路に含まれる当該リチウムイオン二次電池の個数を乗じた電圧との合計電圧より高い電圧に予め設定された放電終止検知電圧を、前記電圧検出部によって検出された電圧が下回る場合、前記スイッチング素子を開かせる制御部と
をさらに備えることを特徴とする請求項4又は5に記載の電池システム。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007257826A JP5312768B2 (ja) | 2007-05-18 | 2007-10-01 | 電池システム |
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JP2007132732 | 2007-05-18 | ||
JP2007132732 | 2007-05-18 | ||
JP2007257826A JP5312768B2 (ja) | 2007-05-18 | 2007-10-01 | 電池システム |
Publications (2)
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JP2009004349A JP2009004349A (ja) | 2009-01-08 |
JP5312768B2 true JP5312768B2 (ja) | 2013-10-09 |
Family
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JP2007257826A Active JP5312768B2 (ja) | 2007-05-18 | 2007-10-01 | 電池システム |
Country Status (6)
Country | Link |
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US (1) | US20100304206A1 (ja) |
EP (1) | EP2169760A4 (ja) |
JP (1) | JP5312768B2 (ja) |
KR (1) | KR20100020477A (ja) |
CN (1) | CN101675555B (ja) |
WO (1) | WO2008142811A1 (ja) |
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CN102934314B (zh) | 2011-04-25 | 2015-12-02 | 丰田自动车株式会社 | 电池包 |
DE102012204962A1 (de) * | 2012-03-28 | 2013-10-02 | Bayerische Motoren Werke Aktiengesellschaft | Fahrzeug mit Lithium-Ionen-Batterie |
WO2014136265A1 (ja) * | 2013-03-08 | 2014-09-12 | 株式会社 東芝 | 電子機器およびシステム |
EP2811548B1 (en) * | 2013-06-07 | 2017-08-09 | Autoliv Development AB | Battery module disconnect arrangement |
JP2015092444A (ja) * | 2013-10-04 | 2015-05-14 | Connexx Systems株式会社 | ハイブリッド蓄電池、ならびにそれを利用するハイブリッド蓄電装置、発蓄電ユニット、電力網システムおよび走行体 |
KR20160071424A (ko) * | 2013-10-16 | 2016-06-21 | 알리스 에코 에이알케이 코. 엘티디. | 전기 자동차의 배터리 접촉을 위한 확동 고정 확인 방법즘 |
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CN114982011B (zh) | 2020-12-24 | 2024-04-05 | 宁德时代新能源科技股份有限公司 | 电池模组及其制造方法和设备、电池包及用电装置 |
CN113224815B (zh) * | 2021-05-14 | 2024-06-14 | 湖北三宁化工股份有限公司 | 一种直流屏蓄电池放电装置及方法 |
EP4152479A4 (en) | 2021-07-30 | 2023-09-13 | Contemporary Amperex Technology Co., Limited | BATTERY GROUP, BATTERY PACK AND ELECTRICAL DEVICE |
KR20230078129A (ko) | 2021-11-26 | 2023-06-02 | (주)노고단 | 개인이동수단용 배터리팩 |
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JP3349321B2 (ja) | 1995-12-27 | 2002-11-25 | 三洋電機株式会社 | 組電池 |
US6150795A (en) * | 1999-11-05 | 2000-11-21 | Power Designers, Llc | Modular battery charge equalizers and method of control |
JP3546856B2 (ja) * | 2001-04-25 | 2004-07-28 | 松下電器産業株式会社 | 電池パック及び電池パックの故障診断方法 |
JP2003102132A (ja) * | 2001-09-25 | 2003-04-04 | Nisshinbo Ind Inc | 蓄電電源装置及びその充電制御方法 |
KR20040047856A (ko) * | 2001-09-26 | 2004-06-05 | 에비오닉스, 인크. | 재충전 및 재보급 가능한 금속 에어 전기화학 전지 |
JP3809549B2 (ja) * | 2001-11-22 | 2006-08-16 | 株式会社日立製作所 | 電源装置と分散型電源システムおよびこれを搭載した電気自動車 |
JP4738730B2 (ja) | 2003-04-21 | 2011-08-03 | 株式会社マキタ | 組電池及び電池パック |
JP2005160233A (ja) * | 2003-11-26 | 2005-06-16 | Makita Corp | 組電池及び電池パック |
US7382110B2 (en) * | 2004-04-23 | 2008-06-03 | Sony Corporation | Method of charging secondary battery, method of calculating remaining capacity rate of secondary battery, and battery pack |
US20070029124A1 (en) * | 2005-06-02 | 2007-02-08 | Sankar Dasgupta | Battery powered vehicle overvoltage protection circuitry |
JP2007028746A (ja) * | 2005-07-14 | 2007-02-01 | Sanyo Electric Co Ltd | パック電池 |
TW200810186A (en) * | 2006-08-01 | 2008-02-16 | Aeneas Energy Technology Co Ltd | Method for charging batteries |
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- 2007-10-01 KR KR1020097026292A patent/KR20100020477A/ko not_active Application Discontinuation
- 2007-10-01 CN CN2007800529899A patent/CN101675555B/zh not_active Expired - Fee Related
- 2007-10-01 US US12/599,477 patent/US20100304206A1/en not_active Abandoned
- 2007-10-01 WO PCT/JP2007/069164 patent/WO2008142811A1/ja active Application Filing
- 2007-10-01 JP JP2007257826A patent/JP5312768B2/ja active Active
- 2007-10-01 EP EP07828904A patent/EP2169760A4/en not_active Withdrawn
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KR20100020477A (ko) | 2010-02-22 |
CN101675555B (zh) | 2012-09-12 |
EP2169760A1 (en) | 2010-03-31 |
WO2008142811A1 (ja) | 2008-11-27 |
CN101675555A (zh) | 2010-03-17 |
US20100304206A1 (en) | 2010-12-02 |
EP2169760A4 (en) | 2011-04-27 |
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