KR102112646B1 - 세퍼레이터 - Google Patents
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- KR102112646B1 KR102112646B1 KR1020177002057A KR20177002057A KR102112646B1 KR 102112646 B1 KR102112646 B1 KR 102112646B1 KR 1020177002057 A KR1020177002057 A KR 1020177002057A KR 20177002057 A KR20177002057 A KR 20177002057A KR 102112646 B1 KR102112646 B1 KR 102112646B1
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Abstract
Description
도 2는 본 발명의 하나의 실시양태에서 이용되는 스펀 본드 부직포를 제조하기 위한 장치의 개략도이다.
도 3은 실시예의 양태에서의 도 2의 장치의 일부의 확대도이다.
2 부직포층
3 적층 부직포
10 방사구
20 압출 필라멘트
30 에어 서커
40 연속 설치 채널부
50 코로나 대전용 채널 장치
60 분산판
70 대전 필라멘트
80 포집면
90 웨브
100 스펀 본드 부직포 제조 장치
Claims (13)
- 섬유 직경이 0.1 ㎛ 이상 4.0 ㎛ 미만인 합성 섬유로 구성되는 부직포층(I층)과, 섬유 직경이 4.0 ㎛ 이상 30.0 ㎛ 이하를 갖는 열 가소성 수지 섬유로 구성되는 부직포층(II층)을 포함하고, 적어도 2층의 적층 부직포로 구성된, 단위 중량이 3.0 g/㎡ 이상 20.0 g/㎡ 미만이고 또한 상기 적층 부직포의 텍스춰의 변동 계수가 1.7 미만인 세퍼레이터의 제조 방법으로서,
방사구로부터 필라멘트군을 압출하는 방사 공정과,
코로나 대전용 채널 장치에 의해 웨브를 형성하는 웨브 형성 공정을 구비하고,
상기 웨브 형성 공정에서, 분산판을 이용하여 기류를 억제하는 것을 특징으로 하는, 세퍼레이터의 제조 방법. - 제1항에 있어서, 상기 I층이, 2개의 상기 II층 사이에 중간층으로서 존재하고 있는, 세퍼레이터의 제조 방법.
- 제1항에 있어서, 상기 II층이, 2개의 상기 I층 사이에 중간층으로서 존재하고 있는, 세퍼레이터의 제조 방법.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 부직포층(II층)에 있어서의 상기 열 가소성 수지 섬유가, 열 가소성 합성 연속 장섬유인, 세퍼레이터의 제조 방법.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 적층 부직포가, 화학적 및/또는 열적 결합에 의한 일체화에 의해 형성되어 있는, 세퍼레이터의 제조 방법.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 적층 부직포가, 두께 10 ㎛∼50 ㎛를 갖는 세퍼레이터의 제조 방법.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 부직포층(I층)이, 멜트 블로운법으로 형성되어 있는, 세퍼레이터의 제조 방법.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 적층 부직포에 있어서의 상기 부직포층(I층)의 단위 중량(i)과 상기 부직포층(II층)의 단위 중량(ii)의 비 (i)/(ii)가, 1/10∼10/1인, 세퍼레이터의 제조 방법.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 적층 부직포가 캘린더 가공되어 있는, 세퍼레이터의 제조 방법.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 적층 부직포가 친수화 가공되어 있는, 세퍼레이터의 제조 방법.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 적층 부직포에 무기 재료가 복합되어 있는, 세퍼레이터의 제조 방법.
- 제1항 내지 제3항 중 어느 한 항에 기재된 제조 방법에 의해 제조된 세퍼레이터를 이용하는, 전기 화학적 전지.
- 제1항 내지 제3항 중 어느 한 항에 기재된 제조 방법에 의해 제조된 세퍼레이터를 이용하는, 에너지 저장 장치.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012085692 | 2012-04-04 | ||
| JPJP-P-2012-085692 | 2012-04-04 | ||
| PCT/JP2013/060333 WO2013151134A1 (ja) | 2012-04-04 | 2013-04-04 | セパレータ |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020147025415A Division KR20140128426A (ko) | 2012-04-04 | 2013-04-04 | 세퍼레이터 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20170014009A KR20170014009A (ko) | 2017-02-07 |
| KR102112646B1 true KR102112646B1 (ko) | 2020-05-19 |
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ID=49300612
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020177002057A Active KR102112646B1 (ko) | 2012-04-04 | 2013-04-04 | 세퍼레이터 |
| KR1020147025415A Ceased KR20140128426A (ko) | 2012-04-04 | 2013-04-04 | 세퍼레이터 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020147025415A Ceased KR20140128426A (ko) | 2012-04-04 | 2013-04-04 | 세퍼레이터 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US9461290B2 (ko) |
| EP (1) | EP2835843B1 (ko) |
| JP (1) | JP6068444B2 (ko) |
| KR (2) | KR102112646B1 (ko) |
| CN (1) | CN104205418B (ko) |
| TW (1) | TWI618279B (ko) |
| WO (1) | WO2013151134A1 (ko) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6367713B2 (ja) * | 2012-09-19 | 2018-08-01 | 旭化成株式会社 | セパレータ及びその製造方法、並びに、リチウムイオン二次電池 |
| CN104022245B (zh) * | 2014-06-24 | 2016-05-04 | 中国第一汽车股份有限公司 | 高安全锂电池复合隔膜及其同轴静电纺丝制备法 |
| US10907284B2 (en) * | 2015-03-16 | 2021-02-02 | Toray Fine Chemicals Co., Ltd. | Nonwoven fabric and method of manufacturing same |
| JP2016174106A (ja) * | 2015-03-17 | 2016-09-29 | 旭化成株式会社 | 電気二重層キャパシタ用セパレータ、及びこれを用いた電気二重層キャパシタ |
| KR101952528B1 (ko) * | 2015-04-03 | 2019-02-26 | 아사히 가세이 가부시키가이샤 | 단층 또는 복층 폴리에스테르 장섬유 부직포 및 그것을 이용한 식품용 필터 |
| WO2016162417A1 (en) | 2015-04-08 | 2016-10-13 | Stojadinovic Jelena | Woven or nonwoven web |
| EP3425697B1 (en) * | 2016-02-29 | 2020-09-16 | Asahi Kasei Kabushiki Kaisha | Nonwoven fabric separator for lead storage battery, and lead storage battery using same |
| JP6689681B2 (ja) * | 2016-06-09 | 2020-04-28 | 三菱製紙株式会社 | 耐熱性湿式不織布 |
| JP2018006258A (ja) * | 2016-07-07 | 2018-01-11 | 旭化成株式会社 | 鉛蓄電池用セパレータ、及びこれを用いた鉛蓄電池 |
| JP7233157B2 (ja) * | 2016-08-31 | 2023-03-06 | 住友化学株式会社 | 非水電解液二次電池用セパレータ |
| JP6936615B2 (ja) * | 2017-04-21 | 2021-09-15 | 旭化成株式会社 | ポリフェニレンサルファイド不織布 |
| CN108878744B (zh) * | 2017-05-12 | 2022-07-26 | 住友化学株式会社 | 非水电解液二次电池用绝缘性多孔层 |
| JP6290500B1 (ja) * | 2017-07-18 | 2018-03-07 | 宇部エクシモ株式会社 | 不織布及び電池用セパレータ |
| WO2019017354A1 (ja) | 2017-07-18 | 2019-01-24 | 日本バイリーン株式会社 | 電気化学素子用セパレータ |
| EP3686342A4 (en) * | 2017-09-22 | 2021-06-02 | Tomoegawa Co., Ltd. | THERMOPLASTIC FIBER WEB |
| US20200316906A1 (en) * | 2017-12-22 | 2020-10-08 | Asahi Kasei Kabushiki Kaisha | Nonwoven Fabric and Composite Sound-Absorbing Material Using Same as Skin Material |
| JP7195751B2 (ja) * | 2018-03-30 | 2022-12-26 | 株式会社日本触媒 | 電気化学素子用隔膜、及びその用途 |
| CN109244559A (zh) * | 2018-08-24 | 2019-01-18 | 湖北锂诺新能源科技有限公司 | 内部防触壳锂离子极芯及电池制备方法 |
| KR102353062B1 (ko) * | 2018-09-03 | 2022-01-19 | 주식회사 엘지에너지솔루션 | 분리막 기재가 없는 이차전지용 분리막 |
| KR102388261B1 (ko) * | 2018-10-12 | 2022-04-18 | 주식회사 엘지에너지솔루션 | 다공성 분리막 및 이를 포함하는 리튬 이차 전지 |
| JP7215873B2 (ja) * | 2018-10-23 | 2023-01-31 | 旭化成株式会社 | 微細パタンを有するセパレータ、捲回体および非水電解質電池 |
| US11791108B2 (en) * | 2019-01-14 | 2023-10-17 | B.G. Negev Technologies & Applications Ltd., At Ben-Gurion University | Electrode and a pseudo-capacitor based on the electrode |
| US12017442B2 (en) | 2019-03-22 | 2024-06-25 | Mitsui Chemicals Asahi Life Materials Co., Ltd. | Nonwoven fabric for sterilization packaging material |
| WO2021085250A1 (ja) * | 2019-11-01 | 2021-05-06 | 帝人フロンティア株式会社 | 電池セパレータ用不織布および電池セパレータ |
| KR102629464B1 (ko) * | 2020-04-13 | 2024-01-25 | 삼성에스디아이 주식회사 | 세퍼레이터 및 이를 채용한 리튬 전지 |
| CN111816824B (zh) * | 2020-06-11 | 2021-12-21 | 深圳市星源材质科技股份有限公司 | 用作锂离子电池隔膜基膜的无纺布、隔膜以及锂离子电池 |
| CN113725556B (zh) * | 2021-09-02 | 2023-11-28 | 深圳市星源材质科技股份有限公司 | 无纺布以及电池隔膜 |
| CN113725557B (zh) * | 2021-09-02 | 2024-04-09 | 深圳市星源材质科技股份有限公司 | 锂离子电池隔膜支撑层以及锂离子电池隔膜 |
| CN116799433A (zh) * | 2023-07-24 | 2023-09-22 | 珠海冠宇电池股份有限公司 | 一种电化学装置 |
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| JPH07290627A (ja) | 1994-04-28 | 1995-11-07 | Tonen Chem Corp | 保液性に優れた不織布積層体 |
| JP3819129B2 (ja) | 1997-10-27 | 2006-09-06 | 旭化成せんい株式会社 | スパンボンド不織布の製造装置および製造方法 |
| JPH11131335A (ja) | 1997-10-28 | 1999-05-18 | Taiyo Moshin Kk | 衣服の芯地 |
| JPH11283602A (ja) | 1998-03-30 | 1999-10-15 | Mitsubishi Paper Mills Ltd | 電池用セパレータ |
| JP4193923B2 (ja) * | 1999-10-26 | 2008-12-10 | 株式会社ジーエス・ユアサコーポレーション | アルカリ蓄電池 |
| WO2001093350A1 (en) | 2000-05-29 | 2001-12-06 | Mitsubishi Paper Mills Limited | Separator for electrochemical device and method for producing the same, and electrochemical device |
| 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 |
| AU2007282415B2 (en) | 2006-08-10 | 2011-02-17 | Mitsui Chemicals Asahi Life Materials Co. Ltd. | Separator for energy device and energy device having the same |
| KR20100024358A (ko) * | 2008-08-25 | 2010-03-05 | 주식회사 엘지화학 | 다공성 코팅층을 구비한 세퍼레이터, 그 제조방법 및 이를 구비한 전기화학소자 |
| US8900740B2 (en) | 2009-05-21 | 2014-12-02 | Asahi Kasei E-Materials Corporation | Multilayer porous film |
| CN102473526B (zh) * | 2009-08-19 | 2014-08-13 | 旭化成纤维株式会社 | 固体电解电容器 |
| WO2011027870A1 (ja) * | 2009-09-07 | 2011-03-10 | 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 |
| EP2498320B1 (en) * | 2009-11-03 | 2015-07-29 | Amogreentech Co., Ltd. | Method for manufacturing a heat-resistant and high-strength ultrafine fibrous separation layer |
| JP2011243558A (ja) * | 2010-04-22 | 2011-12-01 | Hitachi Maxell Energy Ltd | リチウム二次電池用正極およびリチウム二次電池 |
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- 2013-04-04 US US14/390,248 patent/US9461290B2/en active Active
- 2013-04-04 KR KR1020177002057A patent/KR102112646B1/ko active Active
- 2013-04-04 EP EP13772505.7A patent/EP2835843B1/en active Active
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| TW201403919A (zh) | 2014-01-16 |
| WO2013151134A1 (ja) | 2013-10-10 |
| EP2835843B1 (en) | 2017-12-20 |
| CN104205418A (zh) | 2014-12-10 |
| EP2835843A1 (en) | 2015-02-11 |
| KR20170014009A (ko) | 2017-02-07 |
| US20150171397A1 (en) | 2015-06-18 |
| JP6068444B2 (ja) | 2017-01-25 |
| US9461290B2 (en) | 2016-10-04 |
| KR20140128426A (ko) | 2014-11-05 |
| EP2835843A4 (en) | 2015-04-01 |
| JPWO2013151134A1 (ja) | 2015-12-17 |
| TWI618279B (zh) | 2018-03-11 |
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