JP2021140948A - 全固体電池の製造方法 - Google Patents
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 37
- 239000007787 solid Substances 0.000 title abstract 3
- 239000007784 solid electrolyte Substances 0.000 claims abstract description 40
- 239000007773 negative electrode material Substances 0.000 claims abstract description 21
- 238000003825 pressing Methods 0.000 claims abstract description 19
- 239000007774 positive electrode material Substances 0.000 claims abstract description 18
- 238000010030 laminating Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims description 39
- 238000001816 cooling Methods 0.000 claims description 32
- 238000001311 chemical methods and process Methods 0.000 claims 1
- 239000011149 active material Substances 0.000 description 35
- 230000000052 comparative effect Effects 0.000 description 13
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- 238000010438 heat treatment Methods 0.000 description 10
- 239000011230 binding agent Substances 0.000 description 7
- 239000004020 conductor Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 239000006230 acetylene black Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
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- 238000012986 modification Methods 0.000 description 2
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- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000007581 slurry coating method Methods 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910018127 Li 2 S-GeS 2 Inorganic materials 0.000 description 1
- 229910018130 Li 2 S-P 2 S 5 Inorganic materials 0.000 description 1
- 229910018133 Li 2 S-SiS 2 Inorganic materials 0.000 description 1
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 1
- 229910010707 LiFePO 4 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
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- 239000002228 NASICON Substances 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000002134 carbon nanofiber Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000002241 glass-ceramic Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002931 mesocarbon microbead Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000007751 thermal spraying Methods 0.000 description 1
- 238000001947 vapour-phase growth Methods 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
-
- 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
- H01M10/04—Construction or manufacture in general
- H01M10/0413—Large-sized flat cells or batteries for motive or stationary systems with plate-like electrodes
-
- 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
- H01M10/04—Construction or manufacture in general
- H01M10/0468—Compression means for stacks of electrodes and separators
-
- 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
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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
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0561—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of inorganic materials only
- H01M10/0562—Solid materials
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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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/043—Processes of manufacture in general involving compressing or compaction
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/0471—Processes of manufacture in general involving thermal treatment, e.g. firing, sintering, backing particulate active material, thermal decomposition, pyrolysis
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- 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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- 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
- H01M10/054—Accumulators with insertion or intercalation of metals other than lithium, e.g. with magnesium or aluminium
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- H—ELECTRICITY
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- H01M2300/00—Electrolytes
- H01M2300/0017—Non-aqueous electrolytes
- H01M2300/0065—Solid electrolytes
- H01M2300/0068—Solid electrolytes inorganic
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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
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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- General Chemical & Material Sciences (AREA)
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Secondary Cells (AREA)
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Abstract
Description
図4を参照して、比較例および実施例を用いた評価試験の結果について説明する。比較例の電池ユニットおよび実施例の電池ユニットの材質、寸法等は、いずれも、上記実施形態で説明した電池ユニット1(図1参照)と同じである。比較例1の電池ユニットに対しては、平坦化工程(S2)および冷却工程(S3)を実行していない。比較例2の電池ユニットに対しては、温度を60℃に調整した状態で平坦化工程を行った。実施例1の電池ユニットに対しては、温度を100℃に調整した状態で平坦化工程を行った。実施例2の電池ユニットに対しては、温度を120℃に調整した状態で平坦化工程を行った。なお、比較例1以外の電池ユニットに対して実行した平坦化工程におけるプレスの圧力P2は、全て同一の圧力とした。各電池ユニットにおけるうねり量の測定結果を、図4に示す。
6 プレスコンベア
11 第1集電体
12 第2集電体
21 第1活物質層
22 第2活物質層
30 固体電解質層
Claims (4)
- 全固体電池の製造方法であって、
正極活物質層、固体電解質、および負極活物質層の各々を少なくとも1つずつ含む積層体を、圧力P1で厚み方向にプレスするプレス工程を経ることで、板状の電池ユニットを作製する電池ユニット作製工程と、
前記電池ユニット作製工程において作製された前記電池ユニットを、軟化変形する温度以上の温度に加熱した状態で、圧力P2(≦P1)で厚み方向にプレスすることで、前記電池ユニットを平坦化する平坦化工程と、
前記平坦化工程によって平坦化された複数の前記電池ユニットを積層する積層工程と、
を含むことを特徴とする、全固体電池の製造方法。 - 前記平坦化工程において加熱およびプレスされた前記電池ユニットを、プレスされた状態のまま冷却する冷却工程をさらに含むことを特徴とする、請求項1に記載の全固体電池の製造方法。
- 前記冷却工程は、プレスコンベアによって前記電池ユニットを圧縮搬送している状態で、前記電池ユニットを冷却することで実行されることを特徴とする、請求項2に記載の全固体電池の製造方法。
- 前記平坦化工程において前記電池ユニットをプレスする圧力P2が、0.0005Mpa≦P2≦1500MPaであることを特徴とする、請求項1から3のいずれかに記載の全固体電池の製造方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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JP2020037928A JP7245437B2 (ja) | 2020-03-05 | 2020-03-05 | 全固体電池の製造方法 |
US17/148,971 US11641025B2 (en) | 2020-03-05 | 2021-01-14 | Method for manufacturing all-solid-state battery |
KR1020210006198A KR102584670B1 (ko) | 2020-03-05 | 2021-01-15 | 전고체 전지의 제조 방법 |
CN202110085576.2A CN113363594B (zh) | 2020-03-05 | 2021-01-22 | 全固体电池的制造方法 |
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JP2020037928A JP7245437B2 (ja) | 2020-03-05 | 2020-03-05 | 全固体電池の製造方法 |
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JP2021140948A true JP2021140948A (ja) | 2021-09-16 |
JP7245437B2 JP7245437B2 (ja) | 2023-03-24 |
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US (1) | US11641025B2 (ja) |
JP (1) | JP7245437B2 (ja) |
KR (1) | KR102584670B1 (ja) |
CN (1) | CN113363594B (ja) |
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KR20200127671A (ko) * | 2019-05-03 | 2020-11-11 | 현대자동차주식회사 | 고에너지 밀도 전고체 전지 및 이의 제조 방법 |
KR102622321B1 (ko) * | 2022-01-12 | 2024-01-08 | (주)하나기술 | 전고체용 이차전지 고온 가압시스템 및 방법 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011142007A (ja) * | 2010-01-07 | 2011-07-21 | Toyota Motor Corp | 固体電解質電極体の製造方法 |
JP2016134254A (ja) * | 2015-01-16 | 2016-07-25 | トヨタ自動車株式会社 | 全固体電池の製造方法 |
JP2017183121A (ja) * | 2016-03-31 | 2017-10-05 | 日立造船株式会社 | 全固体二次電池の製造方法 |
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JP5277859B2 (ja) * | 2007-12-03 | 2013-08-28 | セイコーエプソン株式会社 | 硫化物系リチウムイオン伝導性固体電解質ガラスおよび全固体リチウム二次電池 |
JP2012248465A (ja) * | 2011-05-30 | 2012-12-13 | Sharp Corp | 二次電池およびその製造方法 |
JP5706532B2 (ja) * | 2011-10-11 | 2015-04-22 | 日産自動車株式会社 | ラミネート型二次電池の製造方法 |
JP6175934B2 (ja) | 2013-06-25 | 2017-08-09 | トヨタ自動車株式会社 | 全固体電池の製造方法 |
JP6048396B2 (ja) | 2013-12-26 | 2016-12-21 | トヨタ自動車株式会社 | 全固体電池の製造方法 |
JP6380254B2 (ja) * | 2015-06-23 | 2018-08-29 | トヨタ自動車株式会社 | 全固体電池の製造方法 |
CN108701868B (zh) | 2016-02-29 | 2021-09-14 | 日立造船株式会社 | 全固态二次电池及其制造方法 |
JP6790919B2 (ja) | 2017-03-02 | 2020-11-25 | トヨタ自動車株式会社 | 全固体電池の製造方法 |
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- 2021-01-14 US US17/148,971 patent/US11641025B2/en active Active
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2011142007A (ja) * | 2010-01-07 | 2011-07-21 | Toyota Motor Corp | 固体電解質電極体の製造方法 |
JP2016134254A (ja) * | 2015-01-16 | 2016-07-25 | トヨタ自動車株式会社 | 全固体電池の製造方法 |
JP2017183121A (ja) * | 2016-03-31 | 2017-10-05 | 日立造船株式会社 | 全固体二次電池の製造方法 |
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KR20210113027A (ko) | 2021-09-15 |
KR102584670B1 (ko) | 2023-10-04 |
JP7245437B2 (ja) | 2023-03-24 |
US20210280897A1 (en) | 2021-09-09 |
US11641025B2 (en) | 2023-05-02 |
CN113363594A (zh) | 2021-09-07 |
CN113363594B (zh) | 2023-12-12 |
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