JP7234941B2 - 多孔性フィルム、二次電池用セパレータおよび二次電池 - Google Patents

多孔性フィルム、二次電池用セパレータおよび二次電池 Download PDF

Info

Publication number
JP7234941B2
JP7234941B2 JP2019565033A JP2019565033A JP7234941B2 JP 7234941 B2 JP7234941 B2 JP 7234941B2 JP 2019565033 A JP2019565033 A JP 2019565033A JP 2019565033 A JP2019565033 A JP 2019565033A JP 7234941 B2 JP7234941 B2 JP 7234941B2
Authority
JP
Japan
Prior art keywords
particles
porous
mass
acrylate
porous film
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
JP2019565033A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2020105672A5 (https=
JPWO2020105672A1 (ja
Inventor
信康 甲斐
慶一 加門
明光 佃
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.)
Toray Industries Inc
Original Assignee
Toray Industries Inc
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 Toray Industries Inc filed Critical Toray Industries Inc
Publication of JPWO2020105672A1 publication Critical patent/JPWO2020105672A1/ja
Publication of JPWO2020105672A5 publication Critical patent/JPWO2020105672A5/ja
Application granted granted Critical
Publication of JP7234941B2 publication Critical patent/JP7234941B2/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
    • H01M50/449—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
    • H01M50/411—Organic material
    • H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
    • H01M50/426—Fluorocarbon polymers
    • 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
    • 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
    • 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
    • H01M50/443—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
    • 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)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Cell Separators (AREA)
  • Secondary Cells (AREA)
  • Laminated Bodies (AREA)
  • Battery Electrode And Active Subsutance (AREA)
JP2019565033A 2018-11-22 2019-11-20 多孔性フィルム、二次電池用セパレータおよび二次電池 Active JP7234941B2 (ja)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP2018218807 2018-11-22
JP2018218807 2018-11-22
JP2019066407 2019-03-29
JP2019066407 2019-03-29
JP2019157556 2019-08-30
JP2019157556 2019-08-30
PCT/JP2019/045403 WO2020105672A1 (ja) 2018-11-22 2019-11-20 多孔性フィルム、二次電池用セパレータおよび二次電池

Publications (3)

Publication Number Publication Date
JPWO2020105672A1 JPWO2020105672A1 (ja) 2021-10-14
JPWO2020105672A5 JPWO2020105672A5 (https=) 2022-05-23
JP7234941B2 true JP7234941B2 (ja) 2023-03-08

Family

ID=70773155

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019565033A Active JP7234941B2 (ja) 2018-11-22 2019-11-20 多孔性フィルム、二次電池用セパレータおよび二次電池

Country Status (6)

Country Link
US (1) US12002988B2 (https=)
EP (1) EP3885127A4 (https=)
JP (1) JP7234941B2 (https=)
KR (1) KR20210092188A (https=)
CN (1) CN112969578B (https=)
WO (1) WO2020105672A1 (https=)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113491032B (zh) * 2019-02-28 2023-06-27 松下知识产权经营株式会社 非水电解质二次电池
US20210218005A1 (en) * 2020-01-09 2021-07-15 StoreDot Ltd. Protected lithium coatings on separators for lithium ion batteries
JP7806710B2 (ja) * 2021-01-29 2026-01-27 日本ゼオン株式会社 電気化学素子機能層用組成物、電気化学素子用機能層、電気化学素子用積層体及び電気化学素子
JP7483154B2 (ja) * 2022-04-28 2024-05-14 帝人株式会社 非水系二次電池用セパレータ及び非水系二次電池
JP7733832B2 (ja) * 2022-07-22 2025-09-03 株式会社クレハ 正極活物質層、電極、及び固体電池
WO2024161928A1 (ja) * 2023-02-03 2024-08-08 東レ株式会社 フッ素含有重合体粒子
CN121758679A (zh) * 2024-09-30 2026-03-31 宁德时代新能源科技股份有限公司 含硅有机树脂颗粒及其制备方法、含硅有机树脂颗粒分散液、隔离膜、二次电池单体、电池装置和用电装置

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007123254A (ja) 2005-09-29 2007-05-17 Nitto Denko Corp 電池用セパレータのための反応性ポリマー担持多孔質フィルムとそれを用いた電池の製造方法
WO2013058119A1 (ja) 2011-10-18 2013-04-25 Jsr株式会社 保護膜及びそれを作製するための組成物、スラリー、並びに蓄電デバイス
WO2013133074A1 (ja) 2012-03-09 2013-09-12 帝人株式会社 非水系二次電池用セパレータ、その製造方法および非水系二次電池
WO2014069410A1 (ja) 2012-10-31 2014-05-08 旭化成イーマテリアルズ株式会社 多層多孔膜及びその製造方法、並びに非水電解液電池用セパレータ
WO2015037552A1 (ja) 2013-09-10 2015-03-19 東レ株式会社 二次電池用セパレータおよび二次電池
WO2015198534A1 (ja) 2014-06-27 2015-12-30 日本ゼオン株式会社 非水系二次電池機能層用組成物、非水系二次電池用機能層および非水系二次電池
JP2016225297A (ja) 2015-06-03 2016-12-28 株式会社日本触媒 イオン伝導性膜
WO2017094252A1 (ja) 2015-11-30 2017-06-08 日本ゼオン株式会社 非水系二次電池接着層用組成物、非水系二次電池用接着層、積層体および非水系二次電池
WO2017094250A1 (ja) 2015-11-30 2017-06-08 日本ゼオン株式会社 非水系二次電池接着層用組成物、非水系二次電池用接着層および非水系二次電池

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5823211U (ja) 1981-08-06 1983-02-14 福井機械株式会社 コイル材のバンド切断処理装置におけるカツテイング・ヘツド
WO2012019626A1 (de) * 2010-08-11 2012-02-16 Carl Freudenberg Kg Separator mit erhöhter durchstossfestigkeit
CN102244223A (zh) * 2011-05-26 2011-11-16 东莞新能源科技有限公司 电化学装置及其无机/有机复合多孔性薄膜
US20140147726A1 (en) * 2011-07-06 2014-05-29 Zeon Corporation Porous membrane for secondary battery, separator for secondary battery, and secondary battery
ES2526689T3 (es) * 2012-02-02 2015-01-14 Jsr Corporation Composición ligante de electrodo, suspensión para el electrodo, electrodo y dispositivo de almacenamiento eléctrico
EP2835844B1 (en) 2012-04-05 2018-11-14 Zeon Corporation Separator for secondary cell
WO2014157715A1 (ja) * 2013-03-27 2014-10-02 Jsr株式会社 蓄電デバイス用バインダー組成物
JP6217129B2 (ja) * 2013-05-14 2017-10-25 日本ゼオン株式会社 二次電池用多孔膜組成物、二次電池用電極、二次電池用セパレータ及び二次電池
JP6327251B2 (ja) * 2013-06-04 2018-05-23 日本ゼオン株式会社 リチウムイオン二次電池用多孔膜スラリー組成物、リチウムイオン二次電池用セパレーター、リチウムイオン二次電池用電極及びリチウムイオン二次電池
CN103390741B (zh) 2013-07-26 2015-12-02 常州大学 有机/无机复合多孔涂层的隔膜及其制备方法
WO2015029939A1 (ja) * 2013-08-27 2015-03-05 日本ゼオン株式会社 二次電池用多孔膜スラリー組成物、二次電池用セパレータ、二次電池用電極及び二次電池
WO2015064411A1 (ja) * 2013-10-31 2015-05-07 日本ゼオン株式会社 リチウムイオン二次電池のバインダー用の粒子状重合体、接着層及び多孔膜組成物
KR20160043768A (ko) * 2014-10-14 2016-04-22 울산과학기술원 유무기 복합 분리막, 그의 제조방법 및 이를 포함한 전기 화학 소자
EP3447826A4 (en) 2016-04-19 2019-12-25 Zeon Corporation BINDER COMPOSITION FOR FUNCTIONAL LAYER OF A WATER-FREE SECONDARY CELL, COMPOSITION FOR FUNCTIONAL LAYER OF A WATER-FREE SECONDARY CELL, FUNCTIONAL LAYER OF A WATER-FREE SECONDARY CELL, CELL UNIT FOR WATER-FREE AND SECONDARY
KR102393261B1 (ko) 2016-05-10 2022-04-29 니폰 제온 가부시키가이샤 비수계 이차 전지 기능층용 조성물, 비수계 이차 전지용 기능층, 및 비수계 이차 전지
WO2018034094A1 (ja) 2016-08-17 2018-02-22 日本ゼオン株式会社 非水系二次電池多孔膜用組成物、非水系二次電池用多孔膜及び非水系二次電池

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007123254A (ja) 2005-09-29 2007-05-17 Nitto Denko Corp 電池用セパレータのための反応性ポリマー担持多孔質フィルムとそれを用いた電池の製造方法
WO2013058119A1 (ja) 2011-10-18 2013-04-25 Jsr株式会社 保護膜及びそれを作製するための組成物、スラリー、並びに蓄電デバイス
WO2013133074A1 (ja) 2012-03-09 2013-09-12 帝人株式会社 非水系二次電池用セパレータ、その製造方法および非水系二次電池
WO2014069410A1 (ja) 2012-10-31 2014-05-08 旭化成イーマテリアルズ株式会社 多層多孔膜及びその製造方法、並びに非水電解液電池用セパレータ
WO2015037552A1 (ja) 2013-09-10 2015-03-19 東レ株式会社 二次電池用セパレータおよび二次電池
WO2015198534A1 (ja) 2014-06-27 2015-12-30 日本ゼオン株式会社 非水系二次電池機能層用組成物、非水系二次電池用機能層および非水系二次電池
JP2016225297A (ja) 2015-06-03 2016-12-28 株式会社日本触媒 イオン伝導性膜
WO2017094252A1 (ja) 2015-11-30 2017-06-08 日本ゼオン株式会社 非水系二次電池接着層用組成物、非水系二次電池用接着層、積層体および非水系二次電池
WO2017094250A1 (ja) 2015-11-30 2017-06-08 日本ゼオン株式会社 非水系二次電池接着層用組成物、非水系二次電池用接着層および非水系二次電池

Also Published As

Publication number Publication date
CN112969578A (zh) 2021-06-15
EP3885127A4 (en) 2022-08-17
EP3885127A1 (en) 2021-09-29
KR20210092188A (ko) 2021-07-23
CN112969578B (zh) 2024-02-09
US20220013861A1 (en) 2022-01-13
WO2020105672A1 (ja) 2020-05-28
US12002988B2 (en) 2024-06-04
JPWO2020105672A1 (ja) 2021-10-14

Similar Documents

Publication Publication Date Title
JP7207328B2 (ja) 多孔性フィルム、二次電池用セパレータおよび二次電池
JP7234941B2 (ja) 多孔性フィルム、二次電池用セパレータおよび二次電池
KR102165556B1 (ko) 이차 전지용 세퍼레이터
KR101819067B1 (ko) 이차 전지용 정극 및 그 제조 방법, 슬러리 조성물, 그리고 이차 전지
US20150303463A1 (en) Slurry composition for lithium ion secondary battery negative electrode, negative electrode for lithium ion secondary battery and method for producing the same, and lithium ion secondary battery
KR20160008519A (ko) 리튬 이온 이차 전지용 바인더 조성물, 리튬 이온 이차 전지용 슬러리 조성물, 리튬 이온 이차 전지용 전극, 리튬 이온 이차 전지, 그리고 리튬 이온 이차 전지용 바인더 조성물의 제조 방법
JP7327044B2 (ja) 多孔性フィルム、二次電池用セパレータおよび二次電池
JP7647072B2 (ja) 多孔性フィルム、二次電池用セパレータおよび二次電池
EP4131620B1 (en) Porous film, separator for secondary battery, and secondary battery
JP7052924B1 (ja) 多孔性フィルム、二次電池用セパレータおよび二次電池
CN115380434B (zh) 多孔性膜、二次电池用隔板及二次电池
WO2022239548A1 (ja) 多孔性フィルム、二次電池用セパレータおよび二次電池
WO2022239547A1 (ja) 多孔性フィルム、二次電池用セパレータおよび二次電池
JP7331692B2 (ja) 多孔性フィルム、二次電池用セパレータおよび二次電池
JP7176249B2 (ja) 多孔性フィルム、二次電池用セパレータおよび二次電池
JP2025050544A (ja) 多孔性フィルム、二次電池用セパレータ、および二次電池

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220513

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20220513

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20220513

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20220705

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220831

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20220920

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20221114

C60 Trial request (containing other claim documents, opposition documents)

Free format text: JAPANESE INTERMEDIATE CODE: C60

Effective date: 20221114

A911 Transfer to examiner for re-examination before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20221122

C21 Notice of transfer of a case for reconsideration by examiners before appeal proceedings

Free format text: JAPANESE INTERMEDIATE CODE: C21

Effective date: 20221129

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20221220

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230111

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: 20230124

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20230206

R151 Written notification of patent or utility model registration

Ref document number: 7234941

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R151