CA3078958A1 - Multilayer nanoporous separator - Google Patents

Multilayer nanoporous separator Download PDF

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Publication number
CA3078958A1
CA3078958A1 CA3078958A CA3078958A CA3078958A1 CA 3078958 A1 CA3078958 A1 CA 3078958A1 CA 3078958 A CA3078958 A CA 3078958A CA 3078958 A CA3078958 A CA 3078958A CA 3078958 A1 CA3078958 A1 CA 3078958A1
Authority
CA
Canada
Prior art keywords
layer
separator
boehmite
coating
nanoporous
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CA3078958A
Other languages
English (en)
French (fr)
Inventor
David W. Avison
Steven A. Carlson
Benjamin Sloan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Energy Solution Ltd
Original Assignee
Optodot Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=64184195&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA3078958(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Optodot Corp filed Critical Optodot Corp
Publication of CA3078958A1 publication Critical patent/CA3078958A1/en
Pending legal-status Critical Current

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Classifications

    • 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
    • H01M10/052—Li-accumulators
    • 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
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/403—Manufacturing processes of separators, membranes or diaphragms
    • 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
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/411—Organic material
    • H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
    • H01M50/417—Polyolefins
    • 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
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/431—Inorganic material
    • 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
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/431—Inorganic material
    • H01M50/434—Ceramics
    • 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
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/443—Particulate material
    • 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
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/446—Composite material consisting of a mixture of organic and inorganic materials
    • 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
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
    • H01M50/451—Separators, membranes or diaphragms characterised by the material having a layered structure comprising layers of only organic material and layers containing inorganic material
    • 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
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
    • H01M50/457—Separators, membranes or diaphragms characterised by the material having a layered structure comprising three or more layers
    • 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
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
    • 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
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
    • H01M50/491—Porosity
    • 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
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
    • H01M50/497—Ionic conductivity
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Composite Materials (AREA)
  • Ceramic Engineering (AREA)
  • Cell Separators (AREA)
  • Laminated Bodies (AREA)
  • Secondary Cells (AREA)
CA3078958A 2017-10-13 2018-10-15 Multilayer nanoporous separator Pending CA3078958A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201762572083P 2017-10-13 2017-10-13
US62/572,083 2017-10-13
PCT/US2018/055862 WO2019075457A2 (en) 2017-10-13 2018-10-15 NANOPOROUS MULTILAYER SEPARATOR

Publications (1)

Publication Number Publication Date
CA3078958A1 true CA3078958A1 (en) 2019-04-18

Family

ID=64184195

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3078958A Pending CA3078958A1 (en) 2017-10-13 2018-10-15 Multilayer nanoporous separator

Country Status (13)

Country Link
US (9) US10998536B2 (enExample)
EP (2) EP3695447B1 (enExample)
JP (4) JP7485596B2 (enExample)
KR (2) KR20260003398A (enExample)
CN (6) CN116722310A (enExample)
AU (3) AU2018346985B2 (enExample)
CA (1) CA3078958A1 (enExample)
ES (1) ES2988674T3 (enExample)
HR (1) HRP20241471T1 (enExample)
HU (1) HUE069169T2 (enExample)
PL (1) PL3695447T3 (enExample)
RS (1) RS66001B1 (enExample)
WO (1) WO2019075457A2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112290161A (zh) * 2020-09-28 2021-01-29 佛山市金辉高科光电材料股份有限公司 一种超低水分陶瓷涂覆锂离子电池隔膜及其制备方法

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3695447B1 (en) * 2017-10-13 2024-09-11 LG Energy Solution, Ltd. Multilayer nanoporous separator
JP7710738B2 (ja) * 2019-10-25 2025-07-22 株式会社グリナジー リチウムメタル負極構造体、それを含む電気化学素子、及び該リチウムメタル負極構造体の製造方法
WO2021087191A1 (en) * 2019-10-31 2021-05-06 Pacific Industrial Development Corporation Inorganic materials for composite separator in electrochemical cells
EP4052329A1 (en) * 2019-10-31 2022-09-07 Pacific Industrial Development Corporation Inorganic materials for use in a lithium-ion secondary battery
EP4071915A4 (en) * 2019-12-19 2024-03-13 LG Energy Solution, Ltd. MEMBRANE FOR ELECTROCHEMICAL DEVICE, ELECTROCHEMICAL DEVICE INCLUDING A MEMBRANE, AND METHOD FOR MAKING AN ELECTROCHEMICAL DEVICE
US20220158298A1 (en) * 2020-11-19 2022-05-19 Solaredge Technologies Ltd. Coated Beohmite Particles for Battery Separators
CN112624165B (zh) * 2020-12-15 2023-04-18 安徽壹石通材料科技股份有限公司 一种勃姆石溶液的制备方法及含有该溶液的电解液
US12584869B2 (en) * 2021-02-26 2026-03-24 Honeywell Limited Boehmite detection and warning system, and concentration indicator for LiB separator sheet manufacturing
KR102368234B1 (ko) * 2021-10-26 2022-03-03 주식회사 케이엠지 이차전지용 바인더, 이를 이용한 복합 분리막 및 이차전지
CN114744363B (zh) * 2022-03-29 2024-05-28 中材锂膜(宁乡)有限公司 锂离子电池隔膜浆料、其制备方法及隔膜
CN115663400A (zh) * 2022-10-21 2023-01-31 重庆造纸工业研究设计院有限责任公司 一种电池隔板及其制备方法
GB2639961A (en) * 2024-03-28 2025-10-08 Hunt Tech Limited Laminate
WO2026095398A1 (ko) * 2024-10-30 2026-05-07 주식회사 엘지에너지솔루션 전기화학소자용 분리막 및 이를 포함하는 전기화학소자
CN119833885A (zh) * 2025-01-08 2025-04-15 河北金力新能源科技股份有限公司 聚合物-陶瓷一体化锂电池隔膜涂层及其制备方法与应用

Family Cites Families (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4024323A (en) * 1975-02-06 1977-05-17 Evans Products Company Battery separator
US5210114A (en) 1990-10-25 1993-05-11 Graphics Technology International Inc. Process for preparing stable dispersions useful in transparent coatings
US6194098B1 (en) * 1998-12-17 2001-02-27 Moltech Corporation Protective coating for separators for electrochemical cells
WO2000079618A1 (fr) 1999-06-22 2000-12-28 Mitsubishi Denki Kabushiki Kaisha Separateur de cellule, cellule, et procede de production dudit separateur
US6432586B1 (en) 2000-04-10 2002-08-13 Celgard Inc. Separator for a high energy rechargeable lithium battery
JP2001319689A (ja) * 2000-05-08 2001-11-16 Matsushita Electric Ind Co Ltd リチウムポリマー二次電池
KR100775310B1 (ko) 2004-12-22 2007-11-08 주식회사 엘지화학 유/무기 복합 다공성 분리막 및 이를 이용한 전기 화학소자
TWI330136B (en) 2005-11-28 2010-09-11 Lg Chemical Ltd Organic/inorganic composite porous membrane and electrochemical device using the same
EP1972017B8 (en) 2005-12-06 2016-03-30 Lg Chem, Ltd. Organic/ inorganic composite separator having morphology gradient, manufacturing method thereof and electrochemical device containing the same
KR101166091B1 (ko) * 2005-12-08 2012-07-23 히다치 막셀 가부시키가이샤 전기화학소자용 세퍼레이터
US8883354B2 (en) 2006-02-15 2014-11-11 Optodot Corporation Separators for electrochemical cells
WO2008029922A1 (en) * 2006-09-07 2008-03-13 Hitachi Maxell, Ltd. Battery separator, method for manufacture thereof, and lithium secondary battery
EP2575196B1 (en) * 2006-11-20 2014-05-28 Teijin Limited Separator for non-aqueous secondary battery and non-aqueous secondary battery.
US9293752B2 (en) 2007-01-30 2016-03-22 Asahi Kasei E-Materials Corporation Multilayer porous membrane and production method thereof
KR100727248B1 (ko) 2007-02-05 2007-06-11 주식회사 엘지화학 다공성 활성층이 코팅된 유기/무기 복합 분리막 및 이를구비한 전기화학소자
WO2009151054A1 (ja) * 2008-06-09 2009-12-17 日立マクセル株式会社 セパレータ用多孔質膜、電池用セパレータ、電池用電極およびそれらの製造方法、ならびにリチウム二次電池
CN101796668B (zh) * 2007-10-03 2013-08-14 日立麦克赛尔株式会社 电池用隔膜及非水电解液电池
KR101716907B1 (ko) * 2008-08-19 2017-03-15 데이진 가부시키가이샤 비수계 2 차 전지용 세퍼레이터
WO2010081150A1 (en) * 2009-01-12 2010-07-15 A123 Systems, Inc. Laminated battery cell and methods for creating the same
EP2433795B1 (en) * 2009-05-21 2014-02-26 Asahi Kasei E-materials Corporation Multi-layered porous film
KR101117126B1 (ko) * 2010-04-19 2012-02-24 한국과학기술연구원 금속산화물 초극세 섬유-기반 내열성 복합 분리막 및 이를 이용한 이차전지
CN103283060B (zh) 2010-07-19 2017-02-15 奥普图多特公司 用于电化学电池的隔膜
CN103430349B (zh) * 2011-03-16 2015-11-25 丰田自动车株式会社 非水电解质二次电池和车辆
JP5796367B2 (ja) 2011-06-22 2015-10-21 日産自動車株式会社 耐熱絶縁層付セパレータ
JP6003041B2 (ja) 2011-11-10 2016-10-05 日産自動車株式会社 耐熱絶縁層付セパレータ
JP2015028840A (ja) * 2011-11-29 2015-02-12 日立マクセル株式会社 非水電解液電池用セパレータおよび非水電解液電池
JP6179125B2 (ja) 2012-04-09 2017-08-16 株式会社Gsユアサ 蓄電素子
US9748542B2 (en) 2012-08-23 2017-08-29 Jnc Corporation Composite porous film having excellent heat resistance
JP5751454B2 (ja) 2012-12-14 2015-07-22 トヨタ自動車株式会社 非水電解質二次電池
KR102423012B1 (ko) * 2013-03-15 2022-07-19 암테크 리서치 인터내셔널 엘엘씨 독립형 치수적 안정한 미공성 웹
CA2905653C (en) * 2013-03-19 2020-06-23 Sony Corporation Separator, battery, battery pack, electronic apparatus, electric vehicle, power storage device, and electric power system
JP2016517161A (ja) * 2013-04-29 2016-06-09 マディコ インコーポレイテッド 熱伝導率を高めたナノ多孔質複合セパレータ
CN103383925B (zh) 2013-07-02 2015-06-03 京东方科技集团股份有限公司 显示设备、裸眼3d功能面板的信号基板及其制造方法
JP5923747B2 (ja) * 2013-12-04 2016-05-25 パナソニックIpマネジメント株式会社 ナトリウム二次電池
US9548362B2 (en) * 2014-10-10 2017-01-17 Taiwan Semiconductor Manufacturing Company, Ltd. High mobility devices with anti-punch through layers and methods of forming same
JP6399921B2 (ja) * 2014-12-22 2018-10-03 三星エスディアイ株式会社Samsung SDI Co., Ltd. 非水電解質二次電池用電極巻回素子、それを用いた非水電解質二次電池、及び非水電解質二次電池用電極巻回素子の製造方法
EP3250537B1 (en) 2015-01-28 2021-11-03 Hercules LLC Ceramic binder composition for ceramic coated separator for lithium ion batteries, methods of producing same, and uses thereof
US10381623B2 (en) * 2015-07-09 2019-08-13 Optodot Corporation Nanoporous separators for batteries and related manufacturing methods
JP6630811B2 (ja) * 2015-07-10 2020-01-15 エルジー・ケム・リミテッド セパレータ及びこれを含む電気化学素子
KR102544227B1 (ko) 2016-04-12 2023-06-16 에스케이이노베이션 주식회사 리튬이차전지용 분리막 및 이를 포함하는 리튬이차전지
KR101940166B1 (ko) * 2016-04-14 2019-01-18 삼성에스디아이 주식회사 다공성 내열층 조성물, 다공성 내열층을 포함하는 분리막, 및 상기 분리막을 이용한 전기 화학 전지
KR20180000561A (ko) * 2016-06-23 2018-01-03 에스케이이노베이션 주식회사 내열성 및 전해액 함침성이 우수한 세퍼레이터
EP3695447B1 (en) * 2017-10-13 2024-09-11 LG Energy Solution, Ltd. Multilayer nanoporous separator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112290161A (zh) * 2020-09-28 2021-01-29 佛山市金辉高科光电材料股份有限公司 一种超低水分陶瓷涂覆锂离子电池隔膜及其制备方法
CN112290161B (zh) * 2020-09-28 2023-08-04 佛山市金辉高科光电材料股份有限公司 一种超低水分陶瓷涂覆锂离子电池隔膜及其制备方法

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AU2018346985B2 (en) 2023-02-23
CN116632454A (zh) 2023-08-22
HRP20241471T1 (hr) 2025-01-03
RS66001B1 (sr) 2024-10-31
US20200266414A1 (en) 2020-08-20
CN116914372A (zh) 2023-10-20
EP4485666A3 (en) 2025-10-29
JP2020537307A (ja) 2020-12-17
HUE069169T2 (hu) 2025-02-28
US20250158107A1 (en) 2025-05-15
US20250167289A1 (en) 2025-05-22
JP7485596B2 (ja) 2024-05-16
CN116722311A (zh) 2023-09-08
KR20200070316A (ko) 2020-06-17
JP2026083173A (ja) 2026-05-19
US11973181B2 (en) 2024-04-30
AU2024205059A1 (en) 2024-08-15
PL3695447T3 (pl) 2025-01-07
ES2988674T3 (es) 2024-11-21
US12412924B2 (en) 2025-09-09
US20260074273A1 (en) 2026-03-12
CN116581479A (zh) 2023-08-11
KR102901996B1 (ko) 2025-12-17
EP3695447C0 (en) 2024-09-11
US10998536B2 (en) 2021-05-04
US12412922B2 (en) 2025-09-09
US20220094018A1 (en) 2022-03-24
WO2019075457A3 (en) 2019-05-31
EP3695447A2 (en) 2020-08-19
US11769903B2 (en) 2023-09-26
EP4485666A2 (en) 2025-01-01
EP3695447B1 (en) 2024-09-11
AU2023200585A1 (en) 2023-03-09
US20250158106A1 (en) 2025-05-15
AU2023200585B2 (en) 2024-06-13
US20260149033A1 (en) 2026-05-28
US12412923B2 (en) 2025-09-09
JP2024105412A (ja) 2024-08-06
CN116722310A (zh) 2023-09-08
KR20260003398A (ko) 2026-01-06
CN111448683A (zh) 2020-07-24
US20240266593A1 (en) 2024-08-08
JP2026086850A (ja) 2026-05-26
CN111448683B (zh) 2023-05-26
WO2019075457A2 (en) 2019-04-18
AU2018346985A1 (en) 2020-05-07
US20210242536A1 (en) 2021-08-05

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