KR20140148371A - 다공성 필름 및 축전 디바이스 - Google Patents
다공성 필름 및 축전 디바이스 Download PDFInfo
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- C—CHEMISTRY; METALLURGY
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- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- H—ELECTRICITY
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- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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- 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
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- H—ELECTRICITY
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- 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
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- H—ELECTRICITY
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- 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
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- 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
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- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
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- 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
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Abstract
Ea=V/T ㆍㆍㆍ(A)
Description
Claims (8)
- 절연 파괴 전압을 V(kV), 막 두께를 T(mm)로 했을 때, 하기 수학식 (A)로 정의되는 절연 파괴 강도 Ea값이 160kV/mm 이상이고, 공공률(空孔率)이 45 내지 85%인 것을 특징으로 하는 다공성 필름.
Ea=V/T ···(A) - 제1항에 있어서, 상기 공공률을 ε(%), 막 두께를 T(mm), 절연 파괴 전압을 V(kV)로 했을 때, 하기 수학식 (B)로 정의되는 수지 두께당의 절연 파괴 강도 Er값이 400kV/mm 이상인 것을 특징으로 하는 다공성 필름.
Er=V/[{(100-ε)/100}×T]···(B) - 제1항 또는 제2항에 있어서, 곡로율(曲路率)이 2.0 내지 3.0이고, 상기 곡로율과 상기 공공률의 곱이 120 이상인 것을 특징으로 하는 다공성 필름.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 길이 방향 및 폭 방향 중 어떠한 방향에 대해서도 120℃, 60분간의 열수축률이 0 내지 5%인 것을 특징으로 하는 다공성 필름.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 폴리올레핀 수지를 포함하는 것을 특징으로 하는 다공성 필름.
- 제5항에 있어서, 상기 폴리올레핀 수지는 폴리프로필렌 수지인 것을 특징으로 하는 다공성 필름.
- 제1항 내지 제6항 중 어느 한 항에 있어서, 축전 디바이스용 세퍼레이터에 사용되는 것을 특징으로 하는 다공성 필름.
- 제7항에 기재된 다공성 필름을 세퍼레이터로서 사용한 것을 특징으로 하는 축전 디바이스.
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PCT/JP2013/058105 WO2013141306A1 (ja) | 2012-03-23 | 2013-03-21 | 多孔性フィルムおよび蓄電デバイス |
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KR20200130245A (ko) * | 2018-03-07 | 2020-11-18 | 오지 홀딩스 가부시키가이샤 | 2축 연신 폴리프로필렌 필름, 금속화 필름, 필름 콘덴서, 및 필름 롤 |
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KR102432330B1 (ko) * | 2014-12-26 | 2022-08-11 | 도레이 카부시키가이샤 | 폴리올레핀 미세 다공막, 그 제조 방법 및 전지용 세퍼레이터 |
JP2018117093A (ja) | 2017-01-20 | 2018-07-26 | ニッポン高度紙工業株式会社 | アルミニウム電解コンデンサ用セパレータ及びアルミニウム電解コンデンサ |
CN107104007A (zh) * | 2017-04-14 | 2017-08-29 | 苏州海凌达电子科技有限公司 | 一种超级电容器用聚碳酸酯隔膜 |
JP7215955B2 (ja) * | 2019-04-16 | 2023-01-31 | 住友化学株式会社 | 非水電解液二次電池用多孔質層 |
US20240026089A1 (en) | 2020-11-17 | 2024-01-25 | Asahi Kasei Kabushiki Kaisha | Polyethylene Powder and Molded Article |
CN118478544B (zh) * | 2024-07-12 | 2024-09-20 | 常州星源新能源材料有限公司 | 一种基膜生产工艺的确定方法 |
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JP2010100845A (ja) * | 2008-09-29 | 2010-05-06 | Toray Ind Inc | 多孔性ポリオレフィンフィルムの製造方法 |
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JP2011187701A (ja) * | 2010-03-09 | 2011-09-22 | Fujifilm Corp | コンデンサ用フィルム及びコンデンサ用フィルムの製造方法、並びにコンデンサ |
JP2011184579A (ja) * | 2010-03-09 | 2011-09-22 | Fujifilm Corp | コンデンサ用フィルム及びコンデンサ用フィルムの製造方法、並びにコンデンサ |
JP2011192528A (ja) * | 2010-03-15 | 2011-09-29 | Teijin Ltd | ポリオレフィン微多孔膜、非水系二次電池用セパレータ及び非水系二次電池 |
JP5916498B2 (ja) * | 2011-06-06 | 2016-05-11 | 日東電工株式会社 | ポリイミド多孔質体及びその製造方法 |
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- 2013-03-21 CN CN201380013622.1A patent/CN104204051A/zh active Pending
- 2013-03-21 WO PCT/JP2013/058105 patent/WO2013141306A1/ja active Application Filing
- 2013-03-21 KR KR1020147023804A patent/KR102147703B1/ko active IP Right Grant
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JP2002141049A (ja) | 2000-11-06 | 2002-05-17 | Nitto Denko Corp | 非水電解液電池用セパレータ及び非水電解液電池 |
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KR20200130245A (ko) * | 2018-03-07 | 2020-11-18 | 오지 홀딩스 가부시키가이샤 | 2축 연신 폴리프로필렌 필름, 금속화 필름, 필름 콘덴서, 및 필름 롤 |
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WO2013141306A1 (ja) | 2013-09-26 |
CN104204051A (zh) | 2014-12-10 |
JPWO2013141306A1 (ja) | 2015-08-03 |
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