KR20200032931A - 분리막 및 그 제조방법 - Google Patents
분리막 및 그 제조방법 Download PDFInfo
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- KR20200032931A KR20200032931A KR1020180112193A KR20180112193A KR20200032931A KR 20200032931 A KR20200032931 A KR 20200032931A KR 1020180112193 A KR1020180112193 A KR 1020180112193A KR 20180112193 A KR20180112193 A KR 20180112193A KR 20200032931 A KR20200032931 A KR 20200032931A
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- silane
- polyolefin
- separator
- weight
- separation membrane
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- H—ELECTRICITY
- 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
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/411—Organic material
- H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
- H01M50/417—Polyolefins
-
- H01M2/1686—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
- B01D67/0006—Organic membrane manufacture by chemical reactions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/26—Polyalkenes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
- B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/20—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
- B29C67/202—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored comprising elimination of a solid or a liquid ingredient
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/541—Silicon-containing compounds containing oxygen
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- H01M2/145—
-
- H01M2/1653—
-
- H—ELECTRICITY
- 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
- H01M50/403—Manufacturing processes of separators, membranes or diaphragms
-
- H—ELECTRICITY
- 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
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
- H01M50/457—Separators, membranes or diaphragms characterised by the material having a layered structure comprising three or more layers
-
- H—ELECTRICITY
- 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
- H01M50/491—Porosity
-
- H—ELECTRICITY
- 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
- H01M50/494—Tensile strength
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Cell Separators (AREA)
Abstract
Description
Claims (20)
- 제1 폴리올레핀을 포함하는 매트릭스와 상기 매트릭스 중에 가교된 실란 변성 폴리올레핀을 포함하는 제1층; 및
제2 폴리올레핀을 포함하는 제2층;이 교대로 적층된 다층 구조를 포함하는, 분리막. - 제1항에 있어서,
상기 제1 및 제2 폴리올레핀은 각각 고밀도 폴리에틸렌, 저밀도 폴리에틸렌, 폴리프로필렌, 에틸렌비닐아세테이트, 에틸렌부틸아크릴레이트, 에틸렌에틸아크릴레이트 및 이들 중 2 이상의 조합 또는 공중합물로 이루어진 군에서 선택된 하나인, 분리막. - 제1항에 있어서,
상기 매트릭스 중 상기 실란 변성 폴리올레핀의 함량은 5~70중량%인, 분리막. - 제1항에 있어서,
상기 실란 변성 폴리올레핀 중 폴리올레핀 및 실란 함량은 각각 100 : 1~10중량부인, 분리막. - 제1항에 있어서,
상기 실란은 알콕시기를 함유하는 비닐실란인, 분리막. - 제5항에 있어서,
상기 알콕시기를 함유하는 비닐실란은 트리메톡시비닐실란, 트리에톡시비닐실란, 트리아세톡시비닐실란 및 이들 중 2 이상의 조합으로 이루어진 군에서 선택된 하나인, 분리막. - 제1항에 있어서,
상기 다층 구조가 3 내지 100개의 층을 포함하는, 분리막. - 제1항에 있어서,
상기 분리막은 하기 (i) 내지 (viii)의 조건 중 하나 이상을 만족하는, 분리막:
(i) 두께 5~30㎛;
(ii) 기공률 30~60%;
(iii) 통기도 50~500sec/100ml;
(iv) 인장파열강도 1,000~3,000kgf/cm2;
(v) 105℃(1hr) 열수축률 5% 이하;
(vi) 120℃(1hr) 열수축률 20% 이하;
(vii) 셧다운온도 135~140℃;
(viii) 멜트다운온도 170~200℃. - (a) 제1 폴리올레핀, 실란 변성 폴리올레핀 및 기공형성제를 포함하는 제1 혼합물과 제2 폴리올레핀 및 기공형성제를 포함하는 제2 혼합물을 각각 압출기에 투입하고 다층 구조의 베이스 시트를 형성하는 단계;
(b) 상기 베이스 시트를 가공하여 다공막을 제조하는 단계; 및
(c) 상기 다공막에 포함된 실란 변성 폴리올레핀을 가교시키는 단계;를 포함하는, 분리막의 제조방법. - 제9항에 있어서,
상기 (a) 단계에서 1 이상의 압출기에서 상기 제1 및 제2 혼합물을 동시에 압출하거나, 상기 제1 및 제2 혼합물을 각각 압출한 후 합지시키는, 분리막의 제조방법. - 제9항에 있어서,
상기 (b) 단계에서 상기 다층 구조를 연신하고 기공형성제를 추출하여 다공막을 제조하는, 분리막의 제조방법. - 제11항에 있어서,
상기 연신은 120~160℃에서 상기 다층 구조를 세로방향(MD) 및 가로방향(TD) 중 적어도 한 방향으로 3~10배 연신하는, 분리막의 제조방법. - 제9항에 있어서,
상기 제1 혼합물은 가교촉매를 더 포함하는, 분리막의 제조방법. - 제13항에 있어서,
상기 가교촉매를 상기 기공형성제와 사전 혼합하여 상기 압출기의 사이드인젝터를 통해 투입하는, 분리막의 제조방법. - 제13항에 있어서,
상기 제1 혼합물 중 상기 가교촉매의 함량은 0.01~10중량%인, 분리막의 제조방법. - 제9항에 있어서,
상기 (c) 단계에서 상기 다공막을 80~130℃ 조건에서 30분~48시간 동안 가교시키는, 분리막의 제조방법. - 제9항에 있어서,
상기 (c) 단계에서 상기 다공막을 끓는점이 100℃ 이상인 용액이 담지된 가교조에 투입하고 연속적으로 통과시키는, 분리막의 제조방법. - 제17항에 있어서,
상기 용액은 물, 에틸렌글리콜, 디에틸렌글리콜, 프로필렌글리콜 및 이들 중 2 이상의 조합으로 이루어진 군에서 선택된 하나를 포함하는, 분리막의 제조방법. - 제17항에 있어서,
상기 용액은 가교촉매를 더 포함하는, 분리막의 제조방법. - 제19항에 있어서,
상기 용액 중 가교촉매의 함량은 0.1~1중량%인, 분리막의 제조방법.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020180112193A KR20200032931A (ko) | 2018-09-19 | 2018-09-19 | 분리막 및 그 제조방법 |
| KR1020200144372A KR102377260B1 (ko) | 2018-09-19 | 2020-11-02 | 분리막 및 그 제조방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020180112193A KR20200032931A (ko) | 2018-09-19 | 2018-09-19 | 분리막 및 그 제조방법 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020200144372A Division KR102377260B1 (ko) | 2018-09-19 | 2020-11-02 | 분리막 및 그 제조방법 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20200032931A true KR20200032931A (ko) | 2020-03-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020180112193A Ceased KR20200032931A (ko) | 2018-09-19 | 2018-09-19 | 분리막 및 그 제조방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR20200032931A (ko) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021210317A1 (ja) | 2020-04-13 | 2021-10-21 | 旭化成株式会社 | 複合型積層化学架橋セパレータ |
| WO2021210318A1 (ja) * | 2020-04-13 | 2021-10-21 | 旭化成株式会社 | 複合型単層化学架橋セパレータ |
| KR20230116113A (ko) * | 2022-01-27 | 2023-08-04 | 더블유스코프코리아 주식회사 | 다층 분리막의 제조방법 |
-
2018
- 2018-09-19 KR KR1020180112193A patent/KR20200032931A/ko not_active Ceased
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022119924A (ja) * | 2020-04-13 | 2022-08-17 | 旭化成株式会社 | 蓄電デバイス用セパレータ、蓄電デバイス組み立てキット及び蓄電デバイス |
| JP2023022303A (ja) * | 2020-04-13 | 2023-02-14 | 旭化成株式会社 | 複合型単層化学架橋セパレータ |
| JP7021403B1 (ja) * | 2020-04-13 | 2022-02-16 | 旭化成株式会社 | 複合型積層化学架橋セパレータ |
| CN114175385A (zh) * | 2020-04-13 | 2022-03-11 | 旭化成株式会社 | 复合型层叠化学交联分隔件 |
| JP7035284B1 (ja) * | 2020-04-13 | 2022-03-14 | 旭化成株式会社 | 複合型単層化学架橋セパレータ |
| KR20220033495A (ko) | 2020-04-13 | 2022-03-16 | 아사히 가세이 가부시키가이샤 | 복합형 적층 화학 가교 세퍼레이터 |
| JP2022064994A (ja) * | 2020-04-13 | 2022-04-26 | 旭化成株式会社 | 複合型単層化学架橋セパレータ |
| JP2022070897A (ja) * | 2020-04-13 | 2022-05-13 | 旭化成株式会社 | 複合型積層化学架橋セパレータ |
| WO2021210318A1 (ja) * | 2020-04-13 | 2021-10-21 | 旭化成株式会社 | 複合型単層化学架橋セパレータ |
| JP2023071736A (ja) * | 2020-04-13 | 2023-05-23 | 旭化成株式会社 | 蓄電デバイス用セパレータ、蓄電デバイス組み立てキット及び蓄電デバイス |
| WO2021210317A1 (ja) | 2020-04-13 | 2021-10-21 | 旭化成株式会社 | 複合型積層化学架橋セパレータ |
| US12431588B2 (en) | 2020-04-13 | 2025-09-30 | Asahi Kasei Battery Separator Corporation | Composite-type stacked chemically-crosslinked separator |
| JP2024012377A (ja) * | 2020-04-13 | 2024-01-30 | 旭化成株式会社 | 蓄電デバイス用セパレータ、蓄電デバイス組み立てキット及び蓄電デバイス |
| EP4009436A4 (en) * | 2020-04-13 | 2024-07-17 | Asahi Kasei Kabushiki Kaisha | COMPOSITE TYPE STACKED CHEMICAL CROSSLINKING SEPARATOR |
| EP4531188A2 (en) | 2020-04-13 | 2025-04-02 | Asahi Kasei Battery Separator Corporation | Composite-type stacked chemically-crosslinked separator |
| EP4531188A3 (en) * | 2020-04-13 | 2025-06-04 | Asahi Kasei Battery Separator Corporation | Composite-type stacked chemically-crosslinked separator |
| KR20230116113A (ko) * | 2022-01-27 | 2023-08-04 | 더블유스코프코리아 주식회사 | 다층 분리막의 제조방법 |
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