JP6756336B2 - 蓄電素子及び蓄電素子の製造方法 - Google Patents
蓄電素子及び蓄電素子の製造方法 Download PDFInfo
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- 238000004519 manufacturing process Methods 0.000 title claims description 16
- 238000000034 method Methods 0.000 claims description 8
- 230000004048 modification Effects 0.000 description 58
- 238000012986 modification Methods 0.000 description 58
- 238000005304 joining Methods 0.000 description 44
- 239000011149 active material Substances 0.000 description 22
- 230000006866 deterioration Effects 0.000 description 20
- 239000000463 material Substances 0.000 description 17
- 238000004804 winding Methods 0.000 description 9
- 230000005611 electricity Effects 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 4
- 239000011888 foil Substances 0.000 description 4
- 239000007773 negative electrode material Substances 0.000 description 4
- 239000011255 nonaqueous electrolyte Substances 0.000 description 4
- 239000007774 positive electrode material Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910000881 Cu alloy Inorganic materials 0.000 description 3
- -1 LiMnPO 4 Inorganic materials 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003575 carbonaceous material Substances 0.000 description 2
- 229920001940 conductive polymer Polymers 0.000 description 2
- 230000002542 deteriorative effect Effects 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052723 transition metal Inorganic materials 0.000 description 2
- 150000003624 transition metals Chemical class 0.000 description 2
- 229920003026 Acene Polymers 0.000 description 1
- 229910018087 Al-Cd Inorganic materials 0.000 description 1
- 229910018188 Al—Cd Inorganic materials 0.000 description 1
- 229910018871 CoO 2 Inorganic materials 0.000 description 1
- 229920008712 Copo Polymers 0.000 description 1
- BWGNESOTFCXPMA-UHFFFAOYSA-N Dihydrogen disulfide Chemical compound SS BWGNESOTFCXPMA-UHFFFAOYSA-N 0.000 description 1
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 229910011281 LiCoPO 4 Inorganic materials 0.000 description 1
- 229910010707 LiFePO 4 Inorganic materials 0.000 description 1
- 229910013086 LiNiPO Inorganic materials 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229920000388 Polyphosphate Polymers 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- JFBZPFYRPYOZCQ-UHFFFAOYSA-N [Li].[Al] Chemical compound [Li].[Al] JFBZPFYRPYOZCQ-UHFFFAOYSA-N 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
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- 150000001450 anions Chemical class 0.000 description 1
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- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- JWZCKIBZGMIRSW-UHFFFAOYSA-N lead lithium Chemical compound [Li].[Pb] JWZCKIBZGMIRSW-UHFFFAOYSA-N 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 229910021450 lithium metal oxide Inorganic materials 0.000 description 1
- UIDWHMKSOZZDAV-UHFFFAOYSA-N lithium tin Chemical compound [Li].[Sn] UIDWHMKSOZZDAV-UHFFFAOYSA-N 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910021470 non-graphitizable carbon Inorganic materials 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 229920001197 polyacetylene Polymers 0.000 description 1
- 229920000767 polyaniline Polymers 0.000 description 1
- 229920000447 polyanionic polymer Polymers 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- 229920000128 polypyrrole Polymers 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- H—ELECTRICITY
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- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/04—Electrodes or formation of dielectric layers thereon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/10—Multiple hybrid or EDL capacitors, e.g. arrays or modules
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/66—Current collectors
- H01G11/72—Current collectors specially adapted for integration in multiple or stacked hybrid or EDL capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/74—Terminals, e.g. extensions of current collectors
- H01G11/76—Terminals, e.g. extensions of current collectors specially adapted for integration in multiple or stacked hybrid or EDL capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/78—Cases; Housings; Encapsulations; Mountings
- H01G11/80—Gaskets; Sealings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/78—Cases; Housings; Encapsulations; Mountings
- H01G11/82—Fixing or assembling a capacitive element in a housing, e.g. mounting electrodes, current collectors or terminals in containers or encapsulations
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/0029—Processes of manufacture
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/008—Terminals
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/528—Fixed electrical connections, i.e. not intended for disconnection
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- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
- H01M50/533—Electrode connections inside a battery casing characterised by the shape of the leads or tabs
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- H—ELECTRICITY
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- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
- H01M50/536—Electrode connections inside a battery casing characterised by the method of fixing the leads to the electrodes, e.g. by welding
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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
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- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
- H01M50/538—Connection of several leads or tabs of wound or folded electrode stacks
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- 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
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- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
Description
まず、蓄電素子10の構成について、説明する。
次に、上記実施の形態の変形例1について、説明する。上記実施の形態では、カバー部材700は、厚みが一様の平板形状の部材であることとした。しかし、本変形例では、カバー部材は、薄肉部を有している。
次に、上記実施の形態の変形例2について、説明する。上記実施の形態では、正極集電体500において、第一部521は、少なくとも一部(中間第一部521b)が、複数の第二部(端子側第二部522a及び先端側第二部522b)の間に配置されていることとした。しかし、本変形例では、第一部521は、複数の第二部の間に配置されていない。
次に、上記実施の形態の変形例3について、説明する。上記実施の形態では、正極集電体500において、第一部521は、少なくとも一部(端子側第一部521a)が、端子接続部510と第二部(端子側第二部522a)との間に配置されていることとした。しかし、本変形例では、第一部521は、端子接続部510と第二部との間に配置されていない。
次に、上記実施の形態の変形例4について、説明する。上記実施の形態では、正極集電体500において、第一部521は、第二部522を上下方向で挟む位置に配置されていることとした。しかし、本変形例では、第一部521は、第二部522の周囲にも配置される。
次に、上記実施の形態の変形例5について、説明する。上記実施の形態では、正極集電体500の第二部522が、接合部20において電極体400に向けて突出した第一凸部を有していることとした。しかし、本変形例では、電極体400が、接合部において第二部522に向けて突出した第一凸部を有する。
20、21、22、30 接合部
100 容器
110 蓋体
110a、110b 貫通孔
111 容器本体
200 正極端子
210、310 突出部
300 負極端子
400 電極体
410 正極集束部
411、412 平坦集束部
411a、411d 第一電極体凸部
411b、411e 第二電極体凸部
420 負極集束部
500、501、502、503 正極集電体
510 端子接続部
511、611 開口部
520、530 電極接続部
521 第一部
521a 端子側第一部
521b 中間第一部
521c 先端側第一部
521d、521e 周囲配置第一部
522、522c 第二部
522a、522d、522e 端子側第二部
522b、522f 先端側第二部
523a、523d 第一集電体凸部
523b、523e 第二集電体凸部
600 負極集電体
700、710 カバー部材
700a、700d 第一カバー凸部
700b、700e 第二カバー凸部
711 第一カバー部
712 第二カバー部
Claims (3)
- 電極体と集電体とを備える蓄電素子であって、
前記電極体は、極板が積層された集束部を有し、
前記集電体は、前記集束部に接続される電極接続部を有し、
前記電極接続部は、第一部と、前記第一部よりも厚みが薄い第二部であって前記集束部と接合される第二部とを有し、
前記第二部及び前記集束部のいずれか一方は、接合部において他方に向けて突出した第一凸部を有する
蓄電素子。 - さらに、
前記電極接続部とで前記電極体を挟む位置に配置されるカバー部材を備え、
前記カバー部材は、第一カバー部と、前記第一カバー部よりも厚みが薄い第二カバー部であって前記電極体と接合される第二カバー部とを有する
請求項1に記載の蓄電素子。 - 極板が積層された集束部を有する電極体と、前記集束部に接続される電極接続部を有する集電体とを備える蓄電素子の製造方法であって、
前記電極接続部に、第一部と、前記第一部よりも厚みが薄い第二部とを形成し、
前記第二部と前記集束部とを塑性変形させることにより接合し、前記第二部及び前記集束部のいずれか一方に、接合部において他方に向けて突出した第一凸部を形成する
蓄電素子の製造方法。
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JP2015192253 | 2015-09-29 | ||
JP2015192253 | 2015-09-29 | ||
PCT/JP2016/078384 WO2017057324A1 (ja) | 2015-09-29 | 2016-09-27 | 蓄電素子及び蓄電素子の製造方法 |
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JPWO2017057324A1 JPWO2017057324A1 (ja) | 2018-08-09 |
JP6756336B2 true JP6756336B2 (ja) | 2020-09-16 |
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US (1) | US11114729B2 (ja) |
JP (1) | JP6756336B2 (ja) |
CN (1) | CN108140795B (ja) |
DE (1) | DE112016004424T5 (ja) |
WO (1) | WO2017057324A1 (ja) |
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CN109004236B (zh) * | 2018-07-17 | 2023-05-30 | 江苏海基新能源股份有限公司 | 一种全极耳卷绕锂离子电池集流体结构的加工方法 |
CN111048728B (zh) * | 2020-03-18 | 2020-06-23 | 江苏时代新能源科技有限公司 | 二次电池、电池模块以及使用二次电池作为电源的装置 |
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JP4984340B2 (ja) | 2000-05-26 | 2012-07-25 | 株式会社Gsユアサ | 電池の製造方法 |
JP4139940B2 (ja) | 2001-12-25 | 2008-08-27 | 株式会社ジーエス・ユアサコーポレーション | 電池 |
JP4292365B2 (ja) * | 2002-05-27 | 2009-07-08 | 株式会社ジーエス・ユアサコーポレーション | 電池 |
JP4736301B2 (ja) * | 2002-05-29 | 2011-07-27 | 株式会社Gsユアサ | 電池 |
JP4374870B2 (ja) | 2003-03-06 | 2009-12-02 | トヨタ自動車株式会社 | 端子と電極箔が塑性接合された蓄電装置とその製法 |
JP4401203B2 (ja) * | 2004-03-17 | 2010-01-20 | 三洋電機株式会社 | 角形電池 |
KR100627313B1 (ko) * | 2004-11-30 | 2006-09-25 | 삼성에스디아이 주식회사 | 이차 전지 |
US7564677B2 (en) * | 2005-04-22 | 2009-07-21 | Cardiac Pacemakers, Inc. | Method and apparatus for a spacer for an electrode layer gap in a power source |
JP2007115584A (ja) * | 2005-10-21 | 2007-05-10 | Panasonic Ev Energy Co Ltd | 二次電池とその製造方法及び二次電池用集電板 |
JP5433452B2 (ja) * | 2010-02-08 | 2014-03-05 | 日立ビークルエナジー株式会社 | リチウムイオン二次電池 |
KR101127615B1 (ko) * | 2010-07-19 | 2012-07-12 | 삼성에스디아이 주식회사 | 배터리 팩 |
JP5917407B2 (ja) * | 2010-10-29 | 2016-05-11 | 三洋電機株式会社 | 角形二次電池 |
JP5538262B2 (ja) * | 2011-02-10 | 2014-07-02 | 日立ビークルエナジー株式会社 | 角形二次電池の製造方法 |
JP2013020731A (ja) | 2011-07-07 | 2013-01-31 | Panasonic Corp | 二次電池 |
JP6155896B2 (ja) | 2013-06-21 | 2017-07-05 | 株式会社Gsユアサ | 蓄電素子及びその製造方法 |
JP6107551B2 (ja) | 2013-09-04 | 2017-04-05 | トヨタ自動車株式会社 | 電池の製造方法、及び、電池 |
JP6191876B2 (ja) | 2014-06-10 | 2017-09-06 | トヨタ自動車株式会社 | 電池 |
JP2015115328A (ja) | 2015-03-16 | 2015-06-22 | 株式会社豊田自動織機 | 電流遮断装置を備えた蓄電装置 |
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- 2016-09-27 JP JP2017543413A patent/JP6756336B2/ja active Active
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- 2016-09-27 DE DE112016004424.0T patent/DE112016004424T5/de not_active Withdrawn
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US20180342723A1 (en) | 2018-11-29 |
CN108140795B (zh) | 2021-09-10 |
JPWO2017057324A1 (ja) | 2018-08-09 |
DE112016004424T5 (de) | 2018-06-28 |
US11114729B2 (en) | 2021-09-07 |
CN108140795A (zh) | 2018-06-08 |
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