KR100538519B1 - 전지 격리판 - Google Patents
전지 격리판 Download PDFInfo
- Publication number
- KR100538519B1 KR100538519B1 KR10-2003-0049790A KR20030049790A KR100538519B1 KR 100538519 B1 KR100538519 B1 KR 100538519B1 KR 20030049790 A KR20030049790 A KR 20030049790A KR 100538519 B1 KR100538519 B1 KR 100538519B1
- Authority
- KR
- South Korea
- Prior art keywords
- battery separator
- less
- mil
- film
- sec
- Prior art date
Links
Classifications
-
- 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
- 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
- B32B5/18—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 features of a layer of foamed material
-
- 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
- H01M50/403—Manufacturing processes of separators, membranes or diaphragms
- H01M50/406—Moulding; Embossing; Cutting
-
- 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
-
- 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
- H01M50/44—Fibrous material
-
- 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
- H01M50/451—Separators, membranes or diaphragms characterised by the material having a layered structure comprising layers of only organic material and layers containing inorganic material
-
- 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
- H01M50/463—Separators, membranes or diaphragms characterised by their shape
-
- 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
-
- 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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49108—Electric battery cell making
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)
Abstract
Description
실시예 | 849 | pe1 | pe2 | pe3 |
수지 | HDPE | HDPE | HDPE | HDPE |
제품 필름 | pe 단층 | pe/pe | pe/pe | pe/pe |
두께(mil) | 1.1 | 1.22 | 1.23 | 1.23 |
거얼리값(sec/10 cc 공기) | 36-51 | 21 | 23 | 33-34 |
천공 강도(g/mil) | 380-400 | 450 | 440-460 | 460-480 |
점착력(g/인치) | 42 | 46 | 51 |
실시예 | 2400 | 2402 | 2500 | 2502 | pp1 | pp2 | pp3 | pp4 |
수지 | PP | PP | PP | PP | PP | PP | PP | PP |
제품 필름 | pp-단층 | pp/pp | pp-단층 | pp/pp | pp/pp | pp/pp | pp/pp | pp/pp |
두께(mil) | 1 | 2 | 1 | 2 | 1 | 1 | 0.68 | 0.65 |
거얼리값(sec/10cc공기) | 23-29 | 40-90 | 7-10 | 14-26 | 19-23 | 21-25 | 8-10 | 9-12 |
천공강도(g/mil) | 400-450 | 350-390 | 300-350 | 250-300 | 490-540 | 540-590 | 470-520 | 530-580 |
점착력(g/인치) | n/a | n/a | 5 | >20 | >20 | >20 | >20 |
Claims (13)
- 제1 비공압출성 부분(non-coextruded portion)과 제2 비공압출성 부분을 갖고 있고, 상기 제1 비공압출성 부분이 상기 제2 비공압출성 부분에 직접 접합되어 있으며, 이 접합 강도는 5g/in 이상이고, 상기 제1 비공압출성 부분과 제2 비공압출성 부분은 동일 물질로 이루어지며 거의 동일한 방향으로 연신되어 있는 미세다공성 필름을 포함하고, 이 필름의 두께는 1.5mil 이하이고 거얼리값(Gurley)은 50sec/10cc 이하이고 천공 강도는 400g/mil 보다 큰 것이 특징인 전지 격리판.
- 제1항에 있어서, 미세다공성 필름이 60% 이하의 다공도와 0.005 내지 10 마이크론 사이의 평균 소공 크기를 가진 것이 특징인 전지 격리판.
- 제2항에 있어서, 필름이 20 내지 60% 범위의 다공도와 0.01 내지 5 마이크론 사이의 평균 소공 크기를 가진 것이 특징인 전지 격리판.
- 제3항에 있어서, 필름이 30 내지 50% 범위의 다공도와 0.05 내지 2 마이크론 사이의 평균 소공 크기를 가진 것이 특징인 전지 격리판.
- 제1항에 있어서, 두께가 0.5 내지 1.5mil 사이인 것이 특징인 전지 격리판.
- 제1항에 있어서, 거얼리값이 50sec/10cc 이하인 것이 특징인 전지 격리판.
- 제1항에 있어서, 거얼리값이 45sec/10cc 이하인 것이 특징인 전지 격리판.
- 제1항에 있어서, 거얼리값이 35sec/10cc 이하인 것이 특징인 전지 격리판.
- 제1항에 있어서, 천공 강도가 425g/mil 이상인 것이 특징인 전지 격리판.
- 제1항에 있어서, 물질이 폴리올레핀인 것이 특징인 전지 격리판.
- 제10항에 있어서, 폴리올레핀이 폴리에틸렌, 폴리프로필렌, 이의 공중합체 및 이의 혼합물로 구성된 군 중에서 선택되는 것이 특징인 전지 격리판.
- 제1항에 있어서, 접합 강도가 15 g/인치(inch) 이상인 것이 특징인 전지 격리판.
- 제1항에 있어서, 제1 비공압출성 부분과 제2 비공압출성 부분이 붕괴 기포로부터 제조되는 것이 특징인 전지 격리판.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/225,018 | 2002-08-21 | ||
US10/225,018 US6921608B2 (en) | 2000-07-11 | 2002-08-21 | Battery separator |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040018127A KR20040018127A (ko) | 2004-03-02 |
KR100538519B1 true KR100538519B1 (ko) | 2005-12-23 |
Family
ID=31946291
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2003-0049790A KR100538519B1 (ko) | 2002-08-21 | 2003-07-21 | 전지 격리판 |
Country Status (8)
Country | Link |
---|---|
US (1) | US6921608B2 (ko) |
EP (1) | EP1418635A3 (ko) |
JP (1) | JP2004134391A (ko) |
KR (1) | KR100538519B1 (ko) |
CN (1) | CN1271729C (ko) |
CA (1) | CA2434353A1 (ko) |
SG (1) | SG120103A1 (ko) |
TW (1) | TWI223904B (ko) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7989103B2 (en) * | 2005-07-20 | 2011-08-02 | Farasis Energy, Inc. | Composite battery separator film and method of making same |
US8795565B2 (en) * | 2006-02-21 | 2014-08-05 | Celgard Llc | Biaxially oriented microporous membrane |
JP2010531367A (ja) * | 2007-04-27 | 2010-09-24 | ダウ グローバル テクノロジーズ インコーポレイティド | 相溶化ポリマー配合物からのマイクロポーラスフィルム |
WO2010147800A2 (en) * | 2009-06-19 | 2010-12-23 | Toray Tonen Specialty Separator Godo Kaisha | Multi-layer microporous film |
US10347889B2 (en) | 2012-10-08 | 2019-07-09 | Treofan Germany Gmbh & Co. Kg | Microporous separator film having homogeneous porosity and greater resistance to puncturing |
JP6045921B2 (ja) * | 2013-01-21 | 2016-12-14 | オートモーティブエナジーサプライ株式会社 | 積層型電池とその製造方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5667911A (en) | 1994-11-17 | 1997-09-16 | Hoechst Celanese Corporation | Methods of making cross-ply microporous membrane battery separator, and the battery separators made thereby |
US5565281A (en) | 1994-12-02 | 1996-10-15 | Hoechst Celanese Corporation | Shutdown, bilayer battery separator |
US5922492A (en) | 1996-06-04 | 1999-07-13 | Tonen Chemical Corporation | Microporous polyolefin battery separator |
US5952120A (en) | 1997-04-15 | 1999-09-14 | Celgard Llc | Method of making a trilayer battery separator |
US6368742B2 (en) * | 1998-06-26 | 2002-04-09 | Celgard, Inc. | Polypropylene microporous membrane for battery separator |
TW439309B (en) * | 1999-01-22 | 2001-06-07 | Toshiba Corp | Nonaquous electrolyte secondary battery |
US6602593B1 (en) * | 1999-08-30 | 2003-08-05 | Celgard Inc. | Battery separators with reduced splitting propensity |
US20020136945A1 (en) * | 2000-01-18 | 2002-09-26 | Call Ronald W. | Multilayer battery separators |
-
2002
- 2002-08-21 US US10/225,018 patent/US6921608B2/en not_active Expired - Lifetime
-
2003
- 2003-06-27 SG SG200303836A patent/SG120103A1/en unknown
- 2003-07-03 TW TW092118214A patent/TWI223904B/zh not_active IP Right Cessation
- 2003-07-04 CA CA002434353A patent/CA2434353A1/en not_active Abandoned
- 2003-07-21 KR KR10-2003-0049790A patent/KR100538519B1/ko active IP Right Grant
- 2003-07-24 CN CNB03132875XA patent/CN1271729C/zh not_active Expired - Lifetime
- 2003-08-05 EP EP03017828A patent/EP1418635A3/en not_active Withdrawn
- 2003-08-21 JP JP2003297002A patent/JP2004134391A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP1418635A3 (en) | 2005-12-07 |
EP1418635A2 (en) | 2004-05-12 |
KR20040018127A (ko) | 2004-03-02 |
CA2434353A1 (en) | 2004-02-21 |
US20030099877A1 (en) | 2003-05-29 |
TWI223904B (en) | 2004-11-11 |
SG120103A1 (en) | 2006-03-28 |
TW200403877A (en) | 2004-03-01 |
CN1271729C (zh) | 2006-08-23 |
JP2004134391A (ja) | 2004-04-30 |
CN1481037A (zh) | 2004-03-10 |
US6921608B2 (en) | 2005-07-26 |
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