JP6906485B2 - 二次電池用セパレータ - Google Patents

二次電池用セパレータ Download PDF

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Publication number
JP6906485B2
JP6906485B2 JP2018134374A JP2018134374A JP6906485B2 JP 6906485 B2 JP6906485 B2 JP 6906485B2 JP 2018134374 A JP2018134374 A JP 2018134374A JP 2018134374 A JP2018134374 A JP 2018134374A JP 6906485 B2 JP6906485 B2 JP 6906485B2
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JP
Japan
Prior art keywords
separator
secondary battery
heat
resistant layer
group
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.)
Expired - Fee Related
Application number
JP2018134374A
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English (en)
Japanese (ja)
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JP2019149361A (ja
JP2019149361A5 (https=
Inventor
明人 山元
明人 山元
真男 岩谷
真男 岩谷
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.)
Daicel Corp
Original Assignee
Daicel 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
Application filed by Daicel Corp filed Critical Daicel Corp
Priority to EP19758231.5A priority Critical patent/EP3761400A4/en
Priority to PCT/JP2019/006727 priority patent/WO2019163933A1/ja
Priority to KR1020207027394A priority patent/KR20200127206A/ko
Priority to US16/975,650 priority patent/US20200411828A1/en
Priority to CN201980014208.XA priority patent/CN111771298A/zh
Publication of JP2019149361A publication Critical patent/JP2019149361A/ja
Publication of JP2019149361A5 publication Critical patent/JP2019149361A5/ja
Priority to JP2021053996A priority patent/JP2021103692A/ja
Application granted granted Critical
Publication of JP6906485B2 publication Critical patent/JP6906485B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409Separators, membranes or diaphragms characterised by the material
    • H01M50/44Fibrous material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/403Manufacturing processes of separators, membranes or diaphragms
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/052Li-accumulators
    • H01M10/0525Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409Separators, membranes or diaphragms characterised by the material
    • H01M50/411Organic material
    • H01M50/414Synthetic resins, e.g. thermoplastics or thermosetting resins
    • H01M50/417Polyolefins
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409Separators, membranes or diaphragms characterised by the material
    • H01M50/411Organic material
    • H01M50/414Synthetic resins, e.g. thermoplastics or thermosetting resins
    • H01M50/423Polyamide resins
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409Separators, membranes or diaphragms characterised by the material
    • H01M50/411Organic material
    • H01M50/429Natural polymers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409Separators, membranes or diaphragms characterised by the material
    • H01M50/449Separators, membranes or diaphragms characterised by the material having a layered structure
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409Separators, membranes or diaphragms characterised by the material
    • H01M50/449Separators, membranes or diaphragms characterised by the material having a layered structure
    • H01M50/454Separators, membranes or diaphragms characterised by the material having a layered structure comprising a non-fibrous layer and a fibrous layer superimposed on one another
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/463Separators, membranes or diaphragms characterised by their shape
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/489Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/489Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
    • H01M50/491Porosity
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing 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)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Cell Separators (AREA)
JP2018134374A 2018-02-26 2018-07-17 二次電池用セパレータ Expired - Fee Related JP6906485B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
PCT/JP2019/006727 WO2019163933A1 (ja) 2018-02-26 2019-02-22 二次電池用セパレータ
KR1020207027394A KR20200127206A (ko) 2018-02-26 2019-02-22 이차 전지용 세퍼레이터
US16/975,650 US20200411828A1 (en) 2018-02-26 2019-02-22 Secondary battery separator
CN201980014208.XA CN111771298A (zh) 2018-02-26 2019-02-22 二次电池用隔板
EP19758231.5A EP3761400A4 (en) 2018-02-26 2019-02-22 SECONDARY BATTERY SEPARATOR
JP2021053996A JP2021103692A (ja) 2018-02-26 2021-03-26 二次電池用セパレータ

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018032520 2018-02-26
JP2018032520 2018-02-26

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2021053996A Division JP2021103692A (ja) 2018-02-26 2021-03-26 二次電池用セパレータ

Publications (3)

Publication Number Publication Date
JP2019149361A JP2019149361A (ja) 2019-09-05
JP2019149361A5 JP2019149361A5 (https=) 2020-07-16
JP6906485B2 true JP6906485B2 (ja) 2021-07-21

Family

ID=67850738

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2018134374A Expired - Fee Related JP6906485B2 (ja) 2018-02-26 2018-07-17 二次電池用セパレータ
JP2021053996A Pending JP2021103692A (ja) 2018-02-26 2021-03-26 二次電池用セパレータ

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2021053996A Pending JP2021103692A (ja) 2018-02-26 2021-03-26 二次電池用セパレータ

Country Status (5)

Country Link
US (1) US20200411828A1 (https=)
EP (1) EP3761400A4 (https=)
JP (2) JP6906485B2 (https=)
KR (1) KR20200127206A (https=)
CN (1) CN111771298A (https=)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021038697A1 (ja) * 2019-08-26 2021-03-04 株式会社ダイセル スラリー
JP2021180096A (ja) * 2020-05-13 2021-11-18 株式会社ダイセル 二次電池用セパレータ
JP7840341B2 (ja) * 2021-02-19 2026-04-03 ザ リージェンツ オブ ザ ユニバーシティ オブ カリフォルニア 長いサイクル寿命、高容量のケイ素アノード並びに同アノードの製造方法及び使用方法
CN113594630B (zh) * 2021-07-28 2022-06-07 华中科技大学 一种电池用复合隔膜、其制备方法及锂硫电池
JP2023020162A (ja) * 2021-07-30 2023-02-09 帝人株式会社 ポリパラフェニレンテレフタルアミド微細繊維層を含む積層多孔質膜及びそれからなる非水系二次電池
CN118040231A (zh) * 2024-02-26 2024-05-14 苏州大学 一种锂电池用多方位热保护隔膜及其制备方法
WO2026063292A1 (ja) * 2024-09-20 2026-03-26 国立大学法人横浜国立大学 ナトリウムイオン二次電池

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4577819B2 (ja) * 2003-07-02 2010-11-10 日本バイリーン株式会社 湿式不織布、湿式不織布の製造方法、及び電気二重層キャパシタ用セパレータ、リチウムイオン二次電池用セパレータ、並びに電気二重層キャパシタ、リチウムイオン二次電池
JP2006264029A (ja) * 2005-03-23 2006-10-05 Teijin Solfill Kk 複合体シート、その製造方法およびそれを用いた電気電子部品
JP2008186707A (ja) * 2007-01-30 2008-08-14 Tomoegawa Paper Co Ltd 電気化学素子用セパレータ
JP5189459B2 (ja) * 2008-10-27 2013-04-24 株式会社クラレ リチウム電池用セパレータ及びそれを用いたリチウム電池
JP2010239061A (ja) * 2009-03-31 2010-10-21 Tomoegawa Paper Co Ltd 蓄電デバイス用セパレータ
JP2011035373A (ja) * 2009-07-10 2011-02-17 Tomoegawa Paper Co Ltd 蓄電デバイス用セパレータ
JP5449369B2 (ja) * 2009-09-07 2014-03-19 株式会社クラレ セパレータ、電気二重層キャパシタ、電池、及び積層体
WO2011033975A1 (ja) * 2009-09-16 2011-03-24 株式会社クラレ 非水系電池用セパレータ及びそれを用いた非水系電池、ならびに非水系電池用セパレータの製造方法
WO2012005139A1 (ja) 2010-07-05 2012-01-12 株式会社村田製作所 セラミックセパレータ及び蓄電デバイス
JP2015022868A (ja) * 2013-07-18 2015-02-02 住友電気工業株式会社 溶融塩電池
JP2015030226A (ja) * 2013-08-05 2015-02-16 ユニチカ株式会社 積層多孔質フィルム
JP2015050091A (ja) * 2013-09-03 2015-03-16 三菱製紙株式会社 リチウムイオン二次電池用セパレータおよびリチウムイオン二次電池用セパレータの製造方法
JP2016182816A (ja) * 2015-03-25 2016-10-20 特種東海製紙株式会社 積層体及びその製造方法
US10270075B2 (en) * 2015-07-09 2019-04-23 E I Du Pont De Nemours And Company Separator having adhesive layer, manufacturing method of the same, and electrochemical device having the same
KR20240137708A (ko) * 2015-08-17 2024-09-20 셀가드 엘엘씨 개선된 전지 분리기 및 관련 방법
JP2017179677A (ja) * 2016-03-31 2017-10-05 特種東海製紙株式会社 多孔性シート

Also Published As

Publication number Publication date
JP2019149361A (ja) 2019-09-05
EP3761400A1 (en) 2021-01-06
US20200411828A1 (en) 2020-12-31
JP2021103692A (ja) 2021-07-15
CN111771298A (zh) 2020-10-13
EP3761400A4 (en) 2021-11-10
KR20200127206A (ko) 2020-11-10

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