JP6218931B2 - 積層多孔質フィルムおよびその製造方法 - Google Patents

積層多孔質フィルムおよびその製造方法 Download PDF

Info

Publication number
JP6218931B2
JP6218931B2 JP2016512729A JP2016512729A JP6218931B2 JP 6218931 B2 JP6218931 B2 JP 6218931B2 JP 2016512729 A JP2016512729 A JP 2016512729A JP 2016512729 A JP2016512729 A JP 2016512729A JP 6218931 B2 JP6218931 B2 JP 6218931B2
Authority
JP
Japan
Prior art keywords
layer
porous film
solvent
laminated
laminated porous
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
JP2016512729A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2015156261A1 (ja
Inventor
健太 柴田
健太 柴田
直史 藤岡
直史 藤岡
山田 宗紀
宗紀 山田
朗 繁田
朗 繁田
雅弘 細田
雅弘 細田
良彰 越後
良彰 越後
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.)
Unitika Ltd
Original Assignee
Unitika 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 Unitika Ltd filed Critical Unitika Ltd
Publication of JPWO2015156261A1 publication Critical patent/JPWO2015156261A1/ja
Application granted granted Critical
Publication of JP6218931B2 publication Critical patent/JP6218931B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed 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
    • H01M50/489Separators, 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
    • H01M50/409Separators, membranes or diaphragms characterised by the material
    • H01M50/411Organic material
    • H01M50/414Synthetic resins, e.g. thermoplastics or thermosetting resins
    • H01M50/417Polyolefins
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/06Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/065Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/32Layered products comprising a layer of synthetic resin comprising polyolefins
    • 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
    • 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
    • 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
    • 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
    • H01M50/449Separators, 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
    • H01M50/451Separators, membranes or diaphragms characterised by the material having a layered structure comprising layers of only organic material and layers containing inorganic 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
    • H01M50/489Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
    • H01M50/491Porosity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00Composition of foam
    • B32B2266/02Organic
    • B32B2266/0214Materials belonging to B32B27/00
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2305/00Condition, form or state of the layers or laminate
    • B32B2305/02Cellular or porous
    • B32B2305/026Porous
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/70Other properties
    • B32B2307/724Permeability to gases, adsorption
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2457/00Electrical equipment
    • B32B2457/10Batteries
    • 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)
  • Inorganic Chemistry (AREA)
  • Cell Separators (AREA)
  • Laminated Bodies (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Paints Or Removers (AREA)
JP2016512729A 2014-04-07 2015-04-06 積層多孔質フィルムおよびその製造方法 Active JP6218931B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2014078679 2014-04-07
JP2014078679 2014-04-07
PCT/JP2015/060772 WO2015156261A1 (ja) 2014-04-07 2015-04-06 積層多孔質フィルムおよびその製造方法

Related Child Applications (2)

Application Number Title Priority Date Filing Date
JP2017077497A Division JP2017162822A (ja) 2014-04-07 2017-04-10 積層多孔質フィルムおよびその製造方法
JP2017077503A Division JP2017119442A (ja) 2014-04-07 2017-04-10 積層多孔質フィルムおよびその製造方法

Publications (2)

Publication Number Publication Date
JPWO2015156261A1 JPWO2015156261A1 (ja) 2017-04-13
JP6218931B2 true JP6218931B2 (ja) 2017-10-25

Family

ID=54287837

Family Applications (3)

Application Number Title Priority Date Filing Date
JP2016512729A Active JP6218931B2 (ja) 2014-04-07 2015-04-06 積層多孔質フィルムおよびその製造方法
JP2017077503A Pending JP2017119442A (ja) 2014-04-07 2017-04-10 積層多孔質フィルムおよびその製造方法
JP2017077497A Pending JP2017162822A (ja) 2014-04-07 2017-04-10 積層多孔質フィルムおよびその製造方法

Family Applications After (2)

Application Number Title Priority Date Filing Date
JP2017077503A Pending JP2017119442A (ja) 2014-04-07 2017-04-10 積層多孔質フィルムおよびその製造方法
JP2017077497A Pending JP2017162822A (ja) 2014-04-07 2017-04-10 積層多孔質フィルムおよびその製造方法

Country Status (4)

Country Link
JP (3) JP6218931B2 (enrdf_load_stackoverflow)
KR (2) KR20160143665A (enrdf_load_stackoverflow)
CN (1) CN106133947A (enrdf_load_stackoverflow)
WO (1) WO2015156261A1 (enrdf_load_stackoverflow)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160143665A (ko) * 2014-04-07 2016-12-14 유니티카 가부시끼가이샤 적층 다공질 필름 및 그의 제조 방법
KR20180075520A (ko) * 2015-10-30 2018-07-04 유니티카 가부시끼가이샤 축전 소자 전극용 폴리이미드 용액, 축전 소자 전극의 제조 방법 및 축전 소자 전극
EP3166173B1 (de) * 2015-11-05 2019-01-09 Lithium Energy and Power GmbH & Co. KG Batteriesystem für ein fahrzeug
JP6983394B2 (ja) * 2016-06-23 2021-12-17 ユニチカ株式会社 多孔質ポリイミドフィルム形成用ポリイミド溶液、多孔質ポリイミドフィルムの製造方法および多孔質ポリイミドフィルム
JP6835348B2 (ja) * 2016-09-06 2021-02-24 ユニチカ株式会社 蓄電素子セパレータ用ポリアミドイミド溶液および蓄電素子セパレータ
JP7040743B2 (ja) * 2017-02-22 2022-03-23 ユニチカ株式会社 多孔質ポリアミドイミド被膜形成用ポリアミドイミド塗液
JP7397570B2 (ja) 2018-02-01 2023-12-13 東京応化工業株式会社 多孔質ポリイミドフィルム原反、その製造方法、及び組成物
CN110277535B (zh) 2018-03-15 2023-11-03 株式会社理光 多孔质绝缘体,电极及非水系蓄电元件
JP7233071B2 (ja) * 2018-04-24 2023-03-06 ユニチカ株式会社 ポリアミドイミド組成物およびその使用
EP3906590A4 (en) * 2019-01-04 2024-08-07 Celgard, LLC POLYIMIDE COATED SEPARATOR FOR LITHIUM BATTERIES OR CAPACITOR
TW202044646A (zh) * 2019-04-04 2020-12-01 美商希爾格得有限公司 用於高能量可充電鋰電池之聚醯胺—醯亞胺塗覆分隔件
JP2022124401A (ja) * 2021-02-15 2022-08-25 太陽ホールディングス株式会社 多孔質膜形成用ポリマー組成物、多孔質膜の製造方法、多孔質膜、フレキシブル金属張積層板及び電子基板
WO2024203832A1 (ja) * 2023-03-24 2024-10-03 株式会社スリーダムアライアンス 多層ポリイミド多孔膜
KR20240143329A (ko) * 2023-03-24 2024-10-02 도레이배터리세퍼레이터필름 한국유한회사 폴리올레핀 미세 다공막

Family Cites Families (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04127989A (ja) 1990-09-17 1992-04-28 Fuji Electric Co Ltd レーザ加工におけるワークの位置決め方法およびその装置
JP4502412B2 (ja) * 1996-12-10 2010-07-14 ダイセル化学工業株式会社 多孔質膜およびその製造方法
JPH1135683A (ja) * 1997-07-15 1999-02-09 Unitika Ltd 全芳香族ポリイミド前駆体粉体及びその製造方法
JP2002355938A (ja) * 2001-05-30 2002-12-10 Tonen Chem Corp 複合膜、その製造方法及びそれを用いた電池用セパレータ又はフィルター
JP2002075440A (ja) 2001-07-13 2002-03-15 Ube Ind Ltd 非水電解液およびそれを用いたリチウム二次電池
JP4588286B2 (ja) 2001-09-28 2010-11-24 帝人株式会社 複合多孔膜の製造法
JP2005209570A (ja) 2004-01-26 2005-08-04 Teijin Ltd 非水系二次電池用セパレータ、その製造法および非水系二次電池
KR100796476B1 (ko) * 2004-02-23 2008-01-21 토요 보세키 가부시기가이샤 다공질막, 이것의 제조 방법 및 그것을 이용하여 제조한리튬 이온 2차 전지
JP4649848B2 (ja) 2004-02-26 2011-03-16 株式会社Gsユアサ 非水電解液二次電池
JP4591010B2 (ja) * 2004-03-03 2010-12-01 東洋紡績株式会社 多孔質膜とその製造法及びこれを用いたリチウムイオン二次電池
JP2005285385A (ja) * 2004-03-29 2005-10-13 Sanyo Electric Co Ltd セパレータ及びこのセパレータを用いた非水電解質電池
JP4812266B2 (ja) * 2004-07-01 2011-11-09 株式会社巴川製紙所 電子部品用セパレータ及びその製造方法
JP2006027024A (ja) * 2004-07-14 2006-02-02 Asahi Kasei Chemicals Corp 多層多孔膜
JP2006032246A (ja) 2004-07-21 2006-02-02 Sanyo Electric Co Ltd 非水電解質電池用セパレータ及び非水電解質電池
JP2006059733A (ja) * 2004-08-23 2006-03-02 Tomoegawa Paper Co Ltd 電子部品用セパレータ及びその製造方法
JP2006286957A (ja) * 2005-03-31 2006-10-19 Sumitomo Bakelite Co Ltd 半導体用接着剤の製造方法
JP2006289657A (ja) * 2005-04-06 2006-10-26 Asahi Kasei Chemicals Corp 多層多孔膜
US20090274954A1 (en) * 2005-05-20 2009-11-05 Sumitomo Chemical Company, Limited Porous film and laminated porous film
JP2006348280A (ja) * 2005-05-20 2006-12-28 Sumitomo Chemical Co Ltd 多孔質フィルムおよび積層多孔質フィルム
JP2006344506A (ja) * 2005-06-09 2006-12-21 Tomoegawa Paper Co Ltd 電子部品用セパレータ
JP2007048738A (ja) * 2005-07-14 2007-02-22 Tomoegawa Paper Co Ltd 電子部品用セパレータおよびその製造方法
CN100533816C (zh) * 2006-01-09 2009-08-26 比亚迪股份有限公司 电池隔膜及其制备方法以及含该隔膜的锂离子二次电池
JP4947989B2 (ja) * 2006-02-09 2012-06-06 ユニチカ株式会社 ポリイミド前駆体溶液、ポリイミド多孔質フィルム、およびそれらの製造方法
CN101209609B (zh) * 2006-12-30 2011-06-15 比亚迪股份有限公司 一种聚烯烃复合薄膜及其制备方法和用途
JP4506792B2 (ja) * 2007-07-06 2010-07-21 ソニー株式会社 非水電解質電池用セパレータおよびこれを用いた非水電解質電池
JP5059643B2 (ja) * 2008-02-04 2012-10-24 ソニー株式会社 非水電解質電池
JP5368030B2 (ja) 2008-08-25 2013-12-18 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
JP5567262B2 (ja) * 2008-09-08 2014-08-06 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
JP2011207149A (ja) * 2010-03-30 2011-10-20 Ube Industries Ltd 複合多孔質フィルムの製造方法
JP6084403B2 (ja) * 2011-09-01 2017-02-22 ユニチカ株式会社 多孔質ポリイミド被膜の製造方法
JP2013196839A (ja) * 2012-03-16 2013-09-30 Tdk Corp 非水系二次電池用セパレータ
JP5938982B2 (ja) * 2012-03-27 2016-06-22 Tdk株式会社 非水系二次電池用セパレータ
JP5928705B2 (ja) * 2012-04-09 2016-06-01 住友電気工業株式会社 ポリイミド前駆体溶液の製造方法及びこれを用いたポリイミド前駆体溶液、多孔質ポリイミド
JP6403576B2 (ja) * 2013-01-07 2018-10-10 ユニチカ株式会社 リチウム二次電池用電極の製造方法
JP2014056834A (ja) * 2013-11-06 2014-03-27 Tdk Corp セパレータ及びこれを用いた電気化学デバイス
KR20160143665A (ko) * 2014-04-07 2016-12-14 유니티카 가부시끼가이샤 적층 다공질 필름 및 그의 제조 방법

Also Published As

Publication number Publication date
WO2015156261A1 (ja) 2015-10-15
JP2017162822A (ja) 2017-09-14
JPWO2015156261A1 (ja) 2017-04-13
CN106133947A (zh) 2016-11-16
KR20180110210A (ko) 2018-10-08
JP2017119442A (ja) 2017-07-06
KR20160143665A (ko) 2016-12-14

Similar Documents

Publication Publication Date Title
JP6218931B2 (ja) 積層多孔質フィルムおよびその製造方法
JP6403576B2 (ja) リチウム二次電池用電極の製造方法
JP6404028B2 (ja) 多孔質ポリイミド膜の製造方法、セパレータの製造方法、及びワニス
JP2002355938A (ja) 複合膜、その製造方法及びそれを用いた電池用セパレータ又はフィルター
CN109792019B (zh) 非水电解质电池用隔膜及非水电解质电池
KR101874728B1 (ko) 폴리아마이드 이미드 용액, 다공질 폴리아마이드 이미드 필름, 및 그의 제조 방법
JP7053145B2 (ja) 多孔質ポリイミド膜製造用ワニス及びそれを用いた多孔質ポリイミド膜の製造方法
KR102375203B1 (ko) 폴리이미드 미세다공막 및 그 제조 방법
TW201629123A (zh) 多孔質聚醯亞胺薄膜及其製造方法
JPWO2016039299A1 (ja) 多孔質ポリイミド膜の製造方法
JP2017162840A (ja) 高温溶融完全性セパレータ
KR20140018125A (ko) 코팅층을 포함하는 분리막 및 이를 이용한 전지
JP6383243B2 (ja) 多孔質膜、その製造方法、二次電池用多孔質セパレータ及び二次電池
WO2016002785A1 (ja) 芳香族重合体の製造方法、積層フィルムおよびセパレータ
JP2013206560A (ja) 非水系二次電池用セパレータ
KR102348189B1 (ko) 중합체 조성물, 적층 필름 및 세퍼레이터
JP2016079310A (ja) 多孔質膜製造用ワニス、それを用いた多孔質膜の製造方法、及び多孔質膜製造用空孔形成剤
JP2019133922A (ja) 二次電池、及び二次電池用多孔質セパレータ
JP5938982B2 (ja) 非水系二次電池用セパレータ
KR101377476B1 (ko) 이차전지용 메타아라미드 다공성 막의 제조방법 및 그로부터 제조되는 다공성 막
JP2019033073A (ja) 蓄電素子用セパレータの製造方法
JP2017174540A (ja) ポリマ電解質用溶液およびポリマ電解質

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20161216

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20161216

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20170105

A975 Report on accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A971005

Effective date: 20170120

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20170207

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20170410

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20170509

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20170803

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

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20170810

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: 20170829

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20170926

R150 Certificate of patent or registration of utility model

Ref document number: 6218931

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

S531 Written request for registration of change of domicile

Free format text: JAPANESE INTERMEDIATE CODE: R313531

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350