JP2009277443A - 角型電池 - Google Patents
角型電池 Download PDFInfo
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- JP2009277443A JP2009277443A JP2008126346A JP2008126346A JP2009277443A JP 2009277443 A JP2009277443 A JP 2009277443A JP 2008126346 A JP2008126346 A JP 2008126346A JP 2008126346 A JP2008126346 A JP 2008126346A JP 2009277443 A JP2009277443 A JP 2009277443A
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- 238000004804 winding Methods 0.000 claims description 27
- 239000000463 material Substances 0.000 claims description 25
- 239000011149 active material Substances 0.000 claims description 24
- 239000007774 positive electrode material Substances 0.000 claims description 18
- 239000007773 negative electrode material Substances 0.000 claims description 17
- 229920005989 resin Polymers 0.000 claims description 16
- 239000011347 resin Substances 0.000 claims description 16
- 230000007423 decrease Effects 0.000 claims description 15
- 238000010030 laminating Methods 0.000 claims description 5
- 238000003780 insertion Methods 0.000 abstract description 18
- 230000037431 insertion Effects 0.000 abstract description 18
- 238000009413 insulation Methods 0.000 abstract description 7
- 230000003247 decreasing effect Effects 0.000 abstract description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 13
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 11
- 229910001416 lithium ion Inorganic materials 0.000 description 11
- -1 nickel metal hydride Chemical class 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 239000003792 electrolyte Substances 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 7
- 229910052759 nickel Inorganic materials 0.000 description 7
- 230000037303 wrinkles Effects 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 229910052744 lithium Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 239000002131 composite material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 230000002452 interceptive effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052987 metal hydride Inorganic materials 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 239000003575 carbonaceous material Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011245 gel electrolyte Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- RSNHXDVSISOZOB-UHFFFAOYSA-N lithium nickel Chemical compound [Li].[Ni] RSNHXDVSISOZOB-UHFFFAOYSA-N 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920005672 polyolefin resin Polymers 0.000 description 2
- 239000007784 solid electrolyte Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052723 transition metal Inorganic materials 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 1
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 1
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 1
- 229910015643 LiMn 2 O 4 Inorganic materials 0.000 description 1
- 229910013290 LiNiO 2 Inorganic materials 0.000 description 1
- 229910013870 LiPF 6 Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- KLARSDUHONHPRF-UHFFFAOYSA-N [Li].[Mn] Chemical compound [Li].[Mn] KLARSDUHONHPRF-UHFFFAOYSA-N 0.000 description 1
- FDLZQPXZHIFURF-UHFFFAOYSA-N [O-2].[Ti+4].[Li+] Chemical compound [O-2].[Ti+4].[Li+] FDLZQPXZHIFURF-UHFFFAOYSA-N 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910003481 amorphous carbon Inorganic materials 0.000 description 1
- 239000003125 aqueous solvent Substances 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- CKFRRHLHAJZIIN-UHFFFAOYSA-N cobalt lithium Chemical compound [Li].[Co] CKFRRHLHAJZIIN-UHFFFAOYSA-N 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 229910021437 lithium-transition metal oxide Inorganic materials 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002905 metal composite material Substances 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 229910052719 titanium Inorganic materials 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
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/103—Primary casings; Jackets or wrappings characterised by their shape or physical structure prismatic or rectangular
-
- 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
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/117—Inorganic material
- H01M50/119—Metals
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
- Inorganic Chemistry (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
【解決手段】本発明により提供される電池は、電極体30と、電極体30が収容される電池ケース40とを備え、電極体30と電池ケース40との間に絶縁性の外装体20を備える。電極体30は、電池ケース40の上端部42の開口部43から、正極集電部35と負極集電部がそれぞれ電池ケース40の幅広面46の両端において上端部42から底部44に亘って配置される横方向に電池ケース40内に収容され、外装体20の内部に配置されて外装体20とともに電極挿入体10を構成する。ここで、電極挿入体10において横方向Pの両端部における厚みL1aは電池ケース40の上端部42から底部44に向けて漸減している。
【選択図】図3
Description
L1b 電極挿入体の両端部を除く中央部分の厚み
P 横方向
Q 厚み方向
1 車両
10 電極挿入体
12 上端部
14 底部
16 両端部を除く中央部分
18 正極集電部側の端部
19 負極集電部側の端部
20 外装体
30 電極体
32 幅広面
34 正極シート
35 正極集電部
36 負極シート
37 負極集電部
38 活物質層付与部
39 セパレータ
40 電池ケース
42 上端部
44 底部
45 コーナー部
46 幅広面
100 電池(リチウムイオン電池)
Claims (6)
- 扁平な形状の電極体と、該電極体が収容される箱状の電池ケースとを備える角型電池であって、
前記電極体における幅広面からみて所定の方向の中央部分は正極活物質層が付与された部分と負極活物質層が付与された部分とが積層されている活物質層付与部を形成しており、前記幅広面からみて該活物質層付与部の両端のうちの一方の端部は正極活物質層が付与されずに正極集電体の露出した部分が積層されている正極集電部を形成しており、他方の端部は負極活物質層が付与されずに負極集電体の露出した部分が積層されている負極集電部を形成しており、
前記電極体と前記電池ケースとの間には、該電極体と電池ケースとを隔離する絶縁性の外装体であって該電極体の形状に対応した外装体が備えられており、
前記電極体は、前記電池ケースの上端部に形成される開口部から、前記正極集電部と前記負極集電部がそれぞれ該電池ケースの幅広面の両端において上端部から底部に亘って配置される横方向に該電池ケース内に収容されるとともに、該電池ケース内においては前記外装体の内部に配置されて該外装体とともに扁平な箱状の電極挿入体を構成しており、
前記電極挿入体において、前記横方向の両端部における厚みは前記電池ケースの上端部から底部に向けて漸減していることを特徴とする、角型電池。 - 前記電極挿入体において、前記横方向の前記両端部を除く中央部分の厚みは前記電池ケースの上端部から底部にかけてほぼ一定であることを特徴とする、請求項1に記載の電池。
- 前記電極挿入体において、前記横方向の前記両端部を含む所定の領域では、該電極挿入体の厚みは前記横方向の中央に近い側から前記両端部に向かって漸減しており、かつその漸減の程度は前記横方向と直交する方向であって前記電池ケースの上端部から底部に向かう方向にいくに従い徐々に大きくなっていくことを特徴とする、請求項1または2に記載の電池。
- 前記電極体は、シート状の正極集電体に正極活物質層が付与されてなる正極と、シート状の負極集電体に負極活物質層が付与されてなる負極とがセパレータを介して積層されてともに捲回されてなる捲回電極体であり、
該電極体の捲回軸方向は前記横方向と平行であり、
前記電極体における前記捲回軸方向の中央部分は正極活物質層が付与された部分と負極活物質層が付与された部分とが積層されている活物質層付与部を形成しており、前記捲回軸方向の両端部のうちの一方は正極活物質層が付与されずに正極集電体の露出した部分が積層されてなる正極集電部を形成しており、前記捲回軸方向の両端部のうちの他方は負極活物質層が付与されずに負極集電体の露出した部分が積層されてなる負極集電部を形成しており、
前記電極挿入体における前記捲回軸方向の両端部の前記電池ケースの上端部から底部に向けて厚みが漸減している部分は、それぞれ、前記正極集電部および負極集電部に相当することを特徴とする、請求項1〜3のいずれか一項に記載の電池。 - 前記外装体は、シート状の絶縁性樹脂材料から形成されていることを特徴とする、請求項1〜4のいずれか一項に記載の電池。
- 請求項1〜5のいずれか一項に記載の電池を備える車両。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008126346A JP4359857B1 (ja) | 2008-05-13 | 2008-05-13 | 角型電池 |
KR1020107025377A KR101244549B1 (ko) | 2008-05-13 | 2009-04-13 | 각형 전지 |
US12/991,184 US9077017B2 (en) | 2008-05-13 | 2009-04-13 | Prismatic cell |
PCT/JP2009/057448 WO2009139251A1 (ja) | 2008-05-13 | 2009-04-13 | 角型電池 |
CN2009801097158A CN101978547B (zh) | 2008-05-13 | 2009-04-13 | 方形电池 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008126346A JP4359857B1 (ja) | 2008-05-13 | 2008-05-13 | 角型電池 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP4359857B1 JP4359857B1 (ja) | 2009-11-11 |
JP2009277443A true JP2009277443A (ja) | 2009-11-26 |
Family
ID=41318624
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008126346A Active JP4359857B1 (ja) | 2008-05-13 | 2008-05-13 | 角型電池 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9077017B2 (ja) |
JP (1) | JP4359857B1 (ja) |
KR (1) | KR101244549B1 (ja) |
CN (1) | CN101978547B (ja) |
WO (1) | WO2009139251A1 (ja) |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2355202A1 (en) * | 2010-01-27 | 2011-08-10 | SB LiMotive Co., Ltd. | Secondary battery having insulation bag |
JP2012074287A (ja) * | 2010-09-29 | 2012-04-12 | Hitachi Vehicle Energy Ltd | 角形二次電池 |
JP2012151099A (ja) * | 2010-12-28 | 2012-08-09 | Gs Yuasa Corp | 蓄電素子 |
JP2012199021A (ja) * | 2011-03-18 | 2012-10-18 | Mitsubishi Heavy Ind Ltd | 電池 |
US20120276425A1 (en) * | 2011-04-28 | 2012-11-01 | Mitsubishi Heavy Industries, Ltd. | Battery |
JP2013012428A (ja) * | 2011-06-30 | 2013-01-17 | Toshiba Corp | 二次電池及び二次電池の製造方法 |
JP2013073768A (ja) * | 2011-09-28 | 2013-04-22 | Gs Yuasa Corp | 蓄電素子 |
JP2013127867A (ja) * | 2011-12-16 | 2013-06-27 | Toyota Industries Corp | 二次電池、及び車両 |
JP2014026788A (ja) * | 2012-07-25 | 2014-02-06 | Hitachi Vehicle Energy Ltd | 角形二次電池 |
JP2014096388A (ja) * | 2014-01-24 | 2014-05-22 | Gs Yuasa Corp | 電池 |
JP2015032386A (ja) * | 2013-07-31 | 2015-02-16 | 株式会社豊田自動織機 | 蓄電装置 |
JP2015133330A (ja) * | 2015-03-18 | 2015-07-23 | 株式会社Gsユアサ | 蓄電素子 |
JP2016033923A (ja) * | 2015-11-02 | 2016-03-10 | 三洋電機株式会社 | 角形二次電池 |
JP2016091870A (ja) * | 2014-11-07 | 2016-05-23 | トヨタ自動車株式会社 | 非水電解液二次電池 |
US10128469B2 (en) | 2011-09-09 | 2018-11-13 | Sanyo Electric Co., Ltd. | Square-shaped sealed secondary battery and method of manufacturing same |
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JP5398673B2 (ja) * | 2010-09-03 | 2014-01-29 | 三菱重工業株式会社 | 電池 |
JP5987336B2 (ja) * | 2011-03-25 | 2016-09-07 | 日本電気株式会社 | 二次電池 |
KR101596269B1 (ko) * | 2013-02-13 | 2016-02-23 | 주식회사 엘지화학 | 안전성이 향상된 신규한 구조의 전지셀 |
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JP6086240B2 (ja) * | 2013-08-23 | 2017-03-01 | トヨタ自動車株式会社 | 非水電解液電池およびその製造方法 |
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JP6137556B2 (ja) * | 2014-11-04 | 2017-05-31 | トヨタ自動車株式会社 | 非水電解液二次電池およびその製造方法 |
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JP6460413B2 (ja) * | 2016-08-26 | 2019-01-30 | トヨタ自動車株式会社 | リチウムイオン二次電池および組電池 |
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KR101244549B1 (ko) | 2013-03-18 |
KR20110005852A (ko) | 2011-01-19 |
CN101978547B (zh) | 2013-10-16 |
CN101978547A (zh) | 2011-02-16 |
JP4359857B1 (ja) | 2009-11-11 |
US9077017B2 (en) | 2015-07-07 |
WO2009139251A1 (ja) | 2009-11-19 |
US20110059344A1 (en) | 2011-03-10 |
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