JP7070565B2 - セパレータの製造方法 - Google Patents

セパレータの製造方法 Download PDF

Info

Publication number
JP7070565B2
JP7070565B2 JP2019521229A JP2019521229A JP7070565B2 JP 7070565 B2 JP7070565 B2 JP 7070565B2 JP 2019521229 A JP2019521229 A JP 2019521229A JP 2019521229 A JP2019521229 A JP 2019521229A JP 7070565 B2 JP7070565 B2 JP 7070565B2
Authority
JP
Japan
Prior art keywords
separator
porous layer
porous
polyethylene
less
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
JP2019521229A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2018221503A1 (ja
Inventor
裕一 二宮
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 JPWO2018221503A1 publication Critical patent/JPWO2018221503A1/ja
Application granted granted Critical
Publication of JP7070565B2 publication Critical patent/JP7070565B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • H01M50/463—Separators, membranes or diaphragms characterised by their shape
    • 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
    • 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
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/411—Organic material
    • H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
    • H01M50/42—Acrylic 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
    • H01M50/426—Fluorocarbon polymers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • 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
    • H01M50/489—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
    • H01M50/494—Tensile strength
    • 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
    • H01G11/52—Separators
    • 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
    • H01G9/02—Diaphragms; Separators
    • 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
    • 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
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

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)
  • Power Engineering (AREA)
  • Electric Double-Layer Capacitors Or The Like (AREA)
  • Microelectronics & Electronic Packaging (AREA)
JP2019521229A 2017-05-30 2018-05-29 セパレータの製造方法 Active JP7070565B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2017106635 2017-05-30
JP2017106635 2017-05-30
PCT/JP2018/020518 WO2018221503A1 (ja) 2017-05-30 2018-05-29 セパレータ

Publications (2)

Publication Number Publication Date
JPWO2018221503A1 JPWO2018221503A1 (ja) 2020-04-02
JP7070565B2 true JP7070565B2 (ja) 2022-05-18

Family

ID=64455339

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019521229A Active JP7070565B2 (ja) 2017-05-30 2018-05-29 セパレータの製造方法

Country Status (5)

Country Link
JP (1) JP7070565B2 (ko)
KR (1) KR102498466B1 (ko)
CN (1) CN110679007B (ko)
TW (1) TWI760500B (ko)
WO (1) WO2018221503A1 (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112542653B (zh) * 2019-09-05 2023-03-14 深圳市拓邦锂电池有限公司 锂电池的抗褶皱隔膜及其制备方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001126697A (ja) 1999-10-26 2001-05-11 Mitsubishi Paper Mills Ltd 非水電解液電池用セパレーターおよび非水電解液電池
JP2013117013A (ja) 2011-11-01 2013-06-13 Toray Ind Inc 多孔性ポリオレフィンフィルム、積層多孔性フィルムおよび蓄電デバイス
WO2014021290A1 (ja) 2012-07-30 2014-02-06 帝人株式会社 非水電解質電池用セパレータ及び非水電解質電池
JP2017050149A (ja) 2015-09-02 2017-03-09 旭化成株式会社 二次電池用セパレータ

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5918455B2 (ja) * 1976-06-30 1984-04-27 三菱マテリアル株式会社 アクチノイド金属をその溶液から回収する方法
JPS6054001B2 (ja) 1978-05-22 1985-11-28 忠一 山本 畦塗り機に於ける土寄せ兼排水溝形成装置
JPH1180395A (ja) * 1997-09-09 1999-03-26 Nitto Denko Corp 多孔質膜および非水電解液電池用セパレータ
KR20100135369A (ko) * 2009-06-17 2010-12-27 에스케이에너지 주식회사 고내열성 유/무기 피복층을 갖는 폴리에틸렌계 복합 미세다공막
WO2014021293A1 (ja) * 2012-07-30 2014-02-06 帝人株式会社 非水電解質電池用セパレータ及び非水電解質電池
CN106537643B (zh) * 2014-07-11 2019-10-25 帝人株式会社 隔膜卷及非水系二次电池
KR102238365B1 (ko) * 2014-11-21 2021-04-09 삼성에스디아이 주식회사 고내열성 분리막, 그 제조 방법 및 이를 구비한 이차 전지
CN104868156A (zh) * 2014-12-22 2015-08-26 上海恩捷新材料科技股份有限公司 锂离子电池

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001126697A (ja) 1999-10-26 2001-05-11 Mitsubishi Paper Mills Ltd 非水電解液電池用セパレーターおよび非水電解液電池
JP2013117013A (ja) 2011-11-01 2013-06-13 Toray Ind Inc 多孔性ポリオレフィンフィルム、積層多孔性フィルムおよび蓄電デバイス
WO2014021290A1 (ja) 2012-07-30 2014-02-06 帝人株式会社 非水電解質電池用セパレータ及び非水電解質電池
JP2017050149A (ja) 2015-09-02 2017-03-09 旭化成株式会社 二次電池用セパレータ

Also Published As

Publication number Publication date
CN110679007A (zh) 2020-01-10
TWI760500B (zh) 2022-04-11
KR20200011934A (ko) 2020-02-04
JPWO2018221503A1 (ja) 2020-04-02
KR102498466B1 (ko) 2023-02-10
TW201902004A (zh) 2019-01-01
WO2018221503A1 (ja) 2018-12-06
CN110679007B (zh) 2023-02-28

Similar Documents

Publication Publication Date Title
JP5932161B1 (ja) 積層体、セパレータ及び非水二次電池
US20180013118A1 (en) Laminated porous film, separator for non-aqueous electrolyte secondary battery and non-aqueous electrolyte secondary battery
TWI557165B (zh) 製造電化學裝置用分離器的方法、由該方法製造的電化學裝置用分離器以及包含該分離器的電化學裝置
WO2017170289A1 (ja) ポリオレフィン微多孔膜及びその製造方法、電池用セパレータ並びに電池
JP6323449B2 (ja) 積層多孔質膜及びその製造方法ならびに電池用セパレータ
CN111326697A (zh) 一种涂覆的隔膜及其制备方法
TW201530862A (zh) 用於電化學裝置的隔板與電化學裝置
JP2016534531A (ja) 電気化学素子用分離膜
KR102231395B1 (ko) 전지용 세퍼레이터, 전극체 및 비수 전해질 이차전지
JP2018162438A (ja) ポリオレフィン微多孔膜及びポリオレフィン微多孔膜の製造方法
JPWO2018164056A1 (ja) ポリオレフィン微多孔膜
JP5792914B1 (ja) 積層多孔質膜及びその製造方法
WO2017170288A1 (ja) ポリオレフィン微多孔膜及びその製造方法、電池用セパレータ並びに電池
JP2022020843A (ja) 非水系二次電池用セパレータ及び非水系二次電池
JP2020079426A (ja) ポリオレフィン微多孔膜
CN112204793A (zh) 尺寸稳定的微孔网
JP7070565B2 (ja) セパレータの製造方法
KR20230007474A (ko) 비수계 이차전지용 세퍼레이터 및 비수계 이차전지
CN113574732B (zh) 非水系二次电池用隔膜及非水系二次电池
JP7067378B2 (ja) セパレータ
JP7324173B2 (ja) 非水系二次電池用セパレータ及び非水系二次電池
JP7482935B2 (ja) 非水系二次電池用セパレータ及び非水系二次電池
US20240266670A1 (en) Separator for Power Storage Device
JP7483154B2 (ja) 非水系二次電池用セパレータ及び非水系二次電池
JP7474115B2 (ja) 非水系二次電池用セパレータ及び非水系二次電池

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20210407

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20220104

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220225

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: 20220405

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20220418

R151 Written notification of patent or utility model registration

Ref document number: 7070565

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R151