JP7754205B2 - 二次電池セパレータ用コート材およびその製造方法、二次電池セパレータ、ならびに二次電池 - Google Patents

二次電池セパレータ用コート材およびその製造方法、二次電池セパレータ、ならびに二次電池

Info

Publication number
JP7754205B2
JP7754205B2 JP2023570741A JP2023570741A JP7754205B2 JP 7754205 B2 JP7754205 B2 JP 7754205B2 JP 2023570741 A JP2023570741 A JP 2023570741A JP 2023570741 A JP2023570741 A JP 2023570741A JP 7754205 B2 JP7754205 B2 JP 7754205B2
Authority
JP
Japan
Prior art keywords
silica particles
secondary battery
spherical silica
separator
treated
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.)
Active
Application number
JP2023570741A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2023127375A1 (https=
JPWO2023127375A5 (https=
Inventor
寛人 大和田
和之 松村
篤 柳沼
功晃 坂詰
行生 森本
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.)
Shin Etsu Chemical Co Ltd
Original Assignee
Shin Etsu Chemical Co Ltd
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
Application filed by Shin Etsu Chemical Co Ltd filed Critical Shin Etsu Chemical Co Ltd
Publication of JPWO2023127375A1 publication Critical patent/JPWO2023127375A1/ja
Publication of JPWO2023127375A5 publication Critical patent/JPWO2023127375A5/ja
Application granted granted Critical
Publication of JP7754205B2 publication Critical patent/JP7754205B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/14—Colloidal silica, e.g. dispersions, gels, sols
    • C01B33/157—After-treatment of gels
    • C01B33/159—Coating or hydrophobisation
    • 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
    • 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
    • H01M50/44—Fibrous 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
    • H01M50/443—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
    • H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
    • 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
    • H01M50/454—Separators, membranes or diaphragms characterised by the material having a layered structure comprising a non-fibrous layer and a fibrous layer superimposed on one another
    • 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
    • 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)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Cell Separators (AREA)
  • Silicon Compounds (AREA)
JP2023570741A 2021-12-27 2022-11-29 二次電池セパレータ用コート材およびその製造方法、二次電池セパレータ、ならびに二次電池 Active JP7754205B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021212291 2021-12-27
JP2021212291 2021-12-27
PCT/JP2022/043931 WO2023127375A1 (ja) 2021-12-27 2022-11-29 二次電池セパレータ用コート材およびその製造方法、二次電池セパレータ、ならびに二次電池

Publications (3)

Publication Number Publication Date
JPWO2023127375A1 JPWO2023127375A1 (https=) 2023-07-06
JPWO2023127375A5 JPWO2023127375A5 (https=) 2024-08-19
JP7754205B2 true JP7754205B2 (ja) 2025-10-15

Family

ID=86998886

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023570741A Active JP7754205B2 (ja) 2021-12-27 2022-11-29 二次電池セパレータ用コート材およびその製造方法、二次電池セパレータ、ならびに二次電池

Country Status (7)

Country Link
US (1) US20250070384A1 (https=)
EP (1) EP4459773A4 (https=)
JP (1) JP7754205B2 (https=)
KR (1) KR20240131361A (https=)
CN (1) CN118451595A (https=)
TW (1) TW202335354A (https=)
WO (1) WO2023127375A1 (https=)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010225511A (ja) 2009-03-25 2010-10-07 Konica Minolta Holdings Inc 電解質及び二次電池
CN102104129A (zh) 2009-12-22 2011-06-22 华南师范大学 一种胶体蓄电池专用微孔隔板
JP2015005377A (ja) 2013-06-20 2015-01-08 信越化学工業株式会社 非水電解質二次電池用活物質、負極成型体及び非水電解質二次電池
JP2015015171A (ja) 2013-07-05 2015-01-22 信越化学工業株式会社 非水電解質二次電池
CN105355824A (zh) 2015-12-11 2016-02-24 北京新能源汽车股份有限公司 动力电池隔膜、其制备方法及包括其的动力电池
CN109686901A (zh) 2018-11-15 2019-04-26 安徽兆拓新能源科技有限公司 一种锂离子电池隔膜的制备方法
JP2022531782A (ja) 2019-05-07 2022-07-11 エボニック オペレーションズ ゲーエムベーハー 表面処理されたアルミナでコーティングされたリチウムイオン電池セパレータ

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8741489B2 (en) * 2008-09-12 2014-06-03 Japan Vilene Company, Ltd. Separator for lithium ion secondary battery, method for manufacture thereof, and lithium ion secondary battery
EP2469623A1 (en) * 2010-12-24 2012-06-27 Takemoto Yushi Kabushiki Kaisha Polyolefin microporous membrane and separator for lithium ion battery
JP2013089308A (ja) * 2011-10-13 2013-05-13 Kawaken Fine Chem Co Ltd 非水電解液電池用セパレータおよびリチウムイオン二次電池
TWI455756B (zh) * 2011-12-02 2014-10-11 Ind Tech Res Inst 複合式多孔性材料、製備方法以及於能量儲存設備之應用
JP5885104B2 (ja) 2012-02-27 2016-03-15 三菱樹脂株式会社 積層多孔フィルム、非水電解液二次電池用セパレータ、及び非水電解液二次電池
US20130244080A1 (en) * 2012-03-16 2013-09-19 Samsung Sdi Co., Ltd. Separator for lithium secondary battery
JP5949698B2 (ja) * 2013-08-07 2016-07-13 信越化学工業株式会社 有機樹脂粒子の製造方法
DE102015013515A1 (de) 2015-10-20 2017-04-20 Treofan Germany Gmbh & Co. Kg Biaxial orientierte poröse Folie mit Partikel-haltiger poröser Schicht und anorganischer Beschichtung
CN106935769B (zh) * 2017-03-22 2019-11-12 石连娥 一种基于静电自组装的覆无机粒子的锂离子电池隔膜的制备方法
WO2019200073A1 (en) * 2018-04-11 2019-10-17 Axium Ip, Llc Polymer-ceramic hybrid separator membranes, precursors, and manufacturing processes

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010225511A (ja) 2009-03-25 2010-10-07 Konica Minolta Holdings Inc 電解質及び二次電池
CN102104129A (zh) 2009-12-22 2011-06-22 华南师范大学 一种胶体蓄电池专用微孔隔板
JP2015005377A (ja) 2013-06-20 2015-01-08 信越化学工業株式会社 非水電解質二次電池用活物質、負極成型体及び非水電解質二次電池
JP2015015171A (ja) 2013-07-05 2015-01-22 信越化学工業株式会社 非水電解質二次電池
CN105355824A (zh) 2015-12-11 2016-02-24 北京新能源汽车股份有限公司 动力电池隔膜、其制备方法及包括其的动力电池
CN109686901A (zh) 2018-11-15 2019-04-26 安徽兆拓新能源科技有限公司 一种锂离子电池隔膜的制备方法
JP2022531782A (ja) 2019-05-07 2022-07-11 エボニック オペレーションズ ゲーエムベーハー 表面処理されたアルミナでコーティングされたリチウムイオン電池セパレータ

Also Published As

Publication number Publication date
US20250070384A1 (en) 2025-02-27
KR20240131361A (ko) 2024-08-30
CN118451595A (zh) 2024-08-06
JPWO2023127375A1 (https=) 2023-07-06
EP4459773A1 (en) 2024-11-06
EP4459773A4 (en) 2026-01-21
WO2023127375A1 (ja) 2023-07-06
TW202335354A (zh) 2023-09-01

Similar Documents

Publication Publication Date Title
US7005211B2 (en) Electrode, lithium battery having the electrode, and method of manufacturing the same
KR101169947B1 (ko) 리튬 이차전지용 양극 활물질
KR101569136B1 (ko) 무기입자를 이용한 리튬 이차전지용 기재의 코팅방법 및 상기 방법에 의해 코팅된 기재를 포함하는 리튬 이차전지
KR101154876B1 (ko) 리튬 이차전지용 양극 활물질
US10153493B2 (en) Nonaqueous electrolyte secondary battery
JP7620816B2 (ja) 非水電解液二次電池
KR101629489B1 (ko) 불소 고분자를 이용하여 표면처리한 리튬 이차전지용 양극 활물질 및 이의 제조방법
JP2019515481A (ja) リチウム金属電池用保護負極、及びそれを含んだリチウム金属電池
KR20160077075A (ko) 부극 활물질, 부극 활물질의 제조 방법, 및 리튬 이온 이차 전지
JP5692174B2 (ja) 非水電解質二次電池及び非水電解質二次電池の製造方法
JP5708597B2 (ja) リチウムイオン二次電池用非水電解液及びリチウムイオン二次電池
JP5754856B2 (ja) 非水電解液二次電池用負極材及び非水電解液二次電池
KR101517886B1 (ko) 소수성 처리된 카본 코팅층을 포함하는 전극 활물질 및 이를 포함하는 리튬 이차전지
KR101513063B1 (ko) 음극 활물질 및 이를 포함하는 리튬 이차전지
KR101683202B1 (ko) 리튬 이차 전지
WO2014112329A1 (ja) リチウムイオン二次電池用正極及びリチウムイオン二次電池
JP7754205B2 (ja) 二次電池セパレータ用コート材およびその製造方法、二次電池セパレータ、ならびに二次電池
WO2014002561A1 (ja) 非水電解質二次電池
WO2024214763A1 (ja) 二次電池
JP7719200B2 (ja) リチウム二次電池
KR20240100228A (ko) 리튬 이차전지용 양극 활물질, 이의 제조 방법 및 이를 포함하는 리튬 이차전지
JP2020113527A (ja) 電解質スラリ組成物及びその製造方法、並びに、電解質シート及びその製造方法
JP5614432B2 (ja) リチウムイオン二次電池用非水電解液及びリチウムイオン二次電池
JP2018190544A (ja) 負極活物質粒子、負極、リチウムイオン二次電池、および負極活物質粒子の製造方法
WO2024224982A1 (ja) 非水電解質二次電池用正極および非水電解質二次電池

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20240603

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20240605

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20250902

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20250915

R150 Certificate of patent or registration of utility model

Ref document number: 7754205

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150