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WO2011115453A3 - 셧다운 기능을 갖는 초극세 섬유상 다공성 분리막 및 그 제조방법 - Google Patents

셧다운 기능을 갖는 초극세 섬유상 다공성 분리막 및 그 제조방법 Download PDF

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Publication number
WO2011115453A3
WO2011115453A3 PCT/KR2011/001893 KR2011001893W WO2011115453A3 WO 2011115453 A3 WO2011115453 A3 WO 2011115453A3 KR 2011001893 W KR2011001893 W KR 2011001893W WO 2011115453 A3 WO2011115453 A3 WO 2011115453A3
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Prior art keywords
heat
ultra
resistant
porous membrane
fine fibrous
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Ceased
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PCT/KR2011/001893
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English (en)
French (fr)
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WO2011115453A2 (ko
Inventor
서인용
조병광
정용식
김윤혜
김철현
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Amogreentech Co Ltd
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Amogreentech Co Ltd
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Publication of WO2011115453A2 publication Critical patent/WO2011115453A2/ko
Publication of WO2011115453A3 publication Critical patent/WO2011115453A3/ko
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
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    • B32B5/00—Layered 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
    • B32B5/02—Layered 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 structural features of a fibrous or filamentary layer
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    • Y02E60/10—Energy storage using batteries

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Textile Engineering (AREA)
  • Materials Engineering (AREA)
  • Cell Separators (AREA)
  • Nonwoven Fabrics (AREA)
  • Laminated Bodies (AREA)

Abstract

본 발명은 내열성 제1 다공성 막과 비내열성 제2 다공성 막이 다층 구조로 캘린더링되어 국부적인 기공으로 급격한 이온 운동으로 발열이 이루어지거나 분리막 전체적으로 셧다운 온도에 도달하는 경우 해당 부분 또는 전체의 비내열성 제2 다공성 막을 용융시켜서 셧다운(shutdown)시킴에 의해 해당 기공을 막을 수 있는 셧다운 기능을 갖는 초극세 섬유상 다공성 분리막 및 그의 제조방법에 관한 것이다. 본 발명의 셧다운 기능을 갖는 초극세 섬유상 다공성 분리막은, 융점이 180℃ 이상인 내열성 고분자 물질과 팽윤성 고분자 물질의 혼합용액을 에어 전기방사(AES: Air-electrospinning)함에 의해 내열성 고분자와 팽윤성 고분자의 초극세 섬유상이 혼재된 다공성 섬유상을 이루는 제1 다공성 막; 및 상기 제1 다공성 막의 일면에 적층되며 융점이 150℃ 이하인 비내열성 고분자 물질을 에어 전기방사하여 얻어진 초극세 섬유상으로 이루어진 제2 다공성 막을 포함한다.
PCT/KR2011/001893 2010-03-18 2011-03-18 셧다운 기능을 갖는 초극세 섬유상 다공성 분리막 및 그 제조방법 Ceased WO2011115453A2 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20100024442 2010-03-18
KR10-2010-0024442 2010-03-18

Publications (2)

Publication Number Publication Date
WO2011115453A2 WO2011115453A2 (ko) 2011-09-22
WO2011115453A3 true WO2011115453A3 (ko) 2012-01-12

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KR (1) KR101265735B1 (ko)
WO (1) WO2011115453A2 (ko)

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KR101291090B1 (ko) * 2011-10-04 2013-08-01 천석원 스피커 진동판
WO2013066022A1 (ko) * 2011-10-31 2013-05-10 주식회사 아모텍 적층형 나노섬유 웹 및 그 제조방법, 그리고 이를 이용한 나노섬유 복합재
KR101366022B1 (ko) * 2011-12-21 2014-02-24 주식회사 아모그린텍 전극 조립체
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WO2014142449A1 (ko) * 2013-03-14 2014-09-18 (주)에프티이앤이 내열성이 향상된 이차전지용 다층 분리막의 제조방법 및 그에 따라 제조된 다층 분리막
KR101447566B1 (ko) * 2013-03-14 2014-10-07 (주)에프티이앤이 이차전지용 다층 분리막의 제조방법 및 그에 따라 제조된 다층 분리막
WO2014142450A1 (ko) * 2013-03-14 2014-09-18 (주)에프티이앤이 이차전지용 다공성 분리막의 제조방법 및 이에 따라 제조된 이차전지용 다공성 분리막
KR101479748B1 (ko) * 2013-03-14 2015-01-07 (주)에프티이앤이 이차전지용 무기 고분자 분리막 및 이의 제조방법
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CN107731532A (zh) * 2017-11-18 2018-02-23 陈馨雅 一种电解电容器用隔膜纸
TWI788616B (zh) * 2019-05-30 2023-01-01 財團法人工業技術研究院 複合膜及其製作方法與應用
CN119452516A (zh) * 2023-03-17 2025-02-14 宁德时代新能源科技股份有限公司 隔离膜及其制备方法、二次电池和用电装置

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