CN102969470B - 一种聚酯类锂离子电池隔膜的制备方法 - Google Patents
一种聚酯类锂离子电池隔膜的制备方法 Download PDFInfo
- Publication number
- CN102969470B CN102969470B CN201110261610.3A CN201110261610A CN102969470B CN 102969470 B CN102969470 B CN 102969470B CN 201110261610 A CN201110261610 A CN 201110261610A CN 102969470 B CN102969470 B CN 102969470B
- Authority
- CN
- China
- Prior art keywords
- polyester
- lithium ion
- ion battery
- porousness
- basement membrane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000002360 preparation method Methods 0.000 title claims abstract description 87
- 229920000728 polyester Polymers 0.000 title claims abstract description 67
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 60
- 229920006267 polyester film Polymers 0.000 claims abstract description 149
- 210000002469 basement membrane Anatomy 0.000 claims abstract description 122
- 239000002245 particle Substances 0.000 claims abstract description 96
- 238000000034 method Methods 0.000 claims abstract description 68
- 239000003960 organic solvent Substances 0.000 claims abstract description 34
- 230000008569 process Effects 0.000 claims abstract description 10
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 48
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 22
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 21
- 239000002994 raw material Substances 0.000 claims description 21
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 19
- 230000004888 barrier function Effects 0.000 claims description 18
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 14
- 239000011877 solvent mixture Substances 0.000 claims description 14
- 229920001707 polybutylene terephthalate Polymers 0.000 claims description 12
- 229920005644 polyethylene terephthalate glycol copolymer Polymers 0.000 claims description 11
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 6
- 210000004379 membrane Anatomy 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 6
- -1 polybutylene terephthalate Polymers 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 4
- 150000002576 ketones Chemical class 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 4
- 230000009477 glass transition Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 2
- 238000001556 precipitation Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 24
- 239000000463 material Substances 0.000 abstract description 23
- 230000007547 defect Effects 0.000 abstract description 2
- 230000002596 correlated effect Effects 0.000 description 53
- 239000004698 Polyethylene Substances 0.000 description 6
- 239000003792 electrolyte Substances 0.000 description 6
- 229920000573 polyethylene Polymers 0.000 description 6
- 239000004743 Polypropylene Substances 0.000 description 4
- 230000035699 permeability Effects 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 238000007334 copolymerization reaction Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 239000002985 plastic film Substances 0.000 description 3
- 229920006255 plastic film Polymers 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000000873 masking effect Effects 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000010954 inorganic particle Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000012982 microporous membrane Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- 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
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110261610.3A CN102969470B (zh) | 2011-08-31 | 2011-09-06 | 一种聚酯类锂离子电池隔膜的制备方法 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110254064.0 | 2011-08-31 | ||
CN2011102540640 | 2011-08-31 | ||
CN201110254064 | 2011-08-31 | ||
CN201110261610.3A CN102969470B (zh) | 2011-08-31 | 2011-09-06 | 一种聚酯类锂离子电池隔膜的制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102969470A CN102969470A (zh) | 2013-03-13 |
CN102969470B true CN102969470B (zh) | 2015-06-17 |
Family
ID=46120702
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201110261610.3A Active CN102969470B (zh) | 2011-08-31 | 2011-09-06 | 一种聚酯类锂离子电池隔膜的制备方法 |
CN201120331910XU Expired - Fee Related CN202259507U (zh) | 2011-08-31 | 2011-09-06 | 一种聚酯类锂离子电池隔膜 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201120331910XU Expired - Fee Related CN202259507U (zh) | 2011-08-31 | 2011-09-06 | 一种聚酯类锂离子电池隔膜 |
Country Status (1)
Country | Link |
---|---|
CN (2) | CN102969470B (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102969470B (zh) * | 2011-08-31 | 2015-06-17 | 宁波长阳科技有限公司 | 一种聚酯类锂离子电池隔膜的制备方法 |
CN104022246A (zh) * | 2014-06-24 | 2014-09-03 | 中国第一汽车股份有限公司 | 高性能锂电池陶瓷隔膜及其制备 |
CN105754302B (zh) * | 2014-08-12 | 2018-09-25 | 东丽先端材料研究开发(中国)有限公司 | 含芳香族链段的聚酯微多孔薄膜 |
CN106654121B (zh) * | 2016-12-29 | 2019-04-09 | 桂林电器科学研究院有限公司 | 一种耐高温多层微孔隔膜及其制备方法 |
CN106700445B (zh) * | 2016-12-29 | 2019-01-29 | 桂林电器科学研究院有限公司 | 一种耐高温聚萘酯微孔隔膜及其制备方法 |
CN112864531B (zh) * | 2019-11-08 | 2022-09-09 | 惠州比亚迪电池有限公司 | 隔膜、隔膜的制备方法及电池 |
CN114566757B (zh) * | 2021-12-31 | 2023-08-04 | 宁波长阳科技股份有限公司 | 一种高强度高吸液率的锂离子电池隔膜及其制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1897178A (zh) * | 2005-07-15 | 2007-01-17 | 上海紫东薄膜材料股份有限公司 | 一种电容器用的双向拉伸聚酯薄膜及其生产方法 |
CN101985085A (zh) * | 2010-11-04 | 2011-03-16 | 浙江大学 | 聚酯平板微孔膜及其制备方法 |
CN202259507U (zh) * | 2011-08-31 | 2012-05-30 | 宁波长阳科技有限公司 | 一种聚酯类锂离子电池隔膜 |
-
2011
- 2011-09-06 CN CN201110261610.3A patent/CN102969470B/zh active Active
- 2011-09-06 CN CN201120331910XU patent/CN202259507U/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1897178A (zh) * | 2005-07-15 | 2007-01-17 | 上海紫东薄膜材料股份有限公司 | 一种电容器用的双向拉伸聚酯薄膜及其生产方法 |
CN101985085A (zh) * | 2010-11-04 | 2011-03-16 | 浙江大学 | 聚酯平板微孔膜及其制备方法 |
CN202259507U (zh) * | 2011-08-31 | 2012-05-30 | 宁波长阳科技有限公司 | 一种聚酯类锂离子电池隔膜 |
Also Published As
Publication number | Publication date |
---|---|
CN102969470A (zh) | 2013-03-13 |
CN202259507U (zh) | 2012-05-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102969470B (zh) | 一种聚酯类锂离子电池隔膜的制备方法 | |
JP5062794B1 (ja) | 多孔性膜およびその製造方法 | |
JP5164413B2 (ja) | 複合微多孔膜、電池用セパレータ、及び複合微多孔膜の製造方法 | |
CN102501419B (zh) | 一种聚烯烃多层微多孔膜及其制备方法 | |
CN100403581C (zh) | 锂电池、锂离子电池安全隔膜及其制造方法 | |
CN109461871B (zh) | 一种不对称结构的多层聚烯烃微孔膜及其制备方法和应用 | |
KR101962418B1 (ko) | 분리막, 이의 제조방법 및 이를 이용한 전지 | |
JP2008254288A (ja) | 複合微多孔膜、電池用セパレータ、及び複合微多孔膜の製造方法 | |
US20110064929A1 (en) | Microporous polyolefin film with thermally stable porous layer at high temperature | |
KR101301595B1 (ko) | 미세 다공성 세라믹 코팅 분리막 및 그 제조방법 | |
CN103531735A (zh) | 一种锂离子电池用聚烯烃多层微多孔膜及其制备方法 | |
CN111668428A (zh) | 制造聚烯烃隔膜的方法以及电化学电池 | |
KR101958835B1 (ko) | 분리막, 이의 제조방법 및 이를 이용한 전지 | |
CN108470873B (zh) | 具有热关断功能的abab型多层锂离子电池隔膜及其制备方法 | |
CN105428570A (zh) | 一种pvc电池隔板的生产方法及该pvc电池隔板 | |
CN114188663A (zh) | 一种多层隔膜及其制备方法 | |
CN109742295B (zh) | 一种干法锂电池隔膜及其制备方法 | |
JP5295857B2 (ja) | 非水電解液電池用セパレータ及び非水電解液電池 | |
CN103647036B (zh) | 一种高强度微孔锂离子电池隔膜的制备方法及电池隔膜 | |
CN109742300B (zh) | 一种锂电池隔膜及其制备方法 | |
CN108511662B (zh) | 一种多层锂离子电池隔膜材料及其制备方法 | |
CN114142160B (zh) | 一种纳米陶瓷-聚丙烯复合电池隔膜及制备方法 | |
CN114243213B (zh) | 高负载陶瓷颗粒的超薄高强多层复合隔膜及其制备方法 | |
KR20160088973A (ko) | 미세 다공성 코팅 분리막 및 그 제조방법 | |
JP2020084084A (ja) | ポリオレフィン微多孔膜 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP03 | Change of name, title or address |
Address after: Qingfeng Road, Jiangbei District 315000 in Zhejiang city of Ningbo province No. 999 Patentee after: NINGBO SOLARTRON TECHNOLOGY Co.,Ltd. Address before: 315031 Zhejiang province Jiangbei District of Ningbo City Green Road Zhu Xiang (1) - (4) Patentee before: NINGBO SOLARTRON TECHNOLOGY Co.,Ltd. |
|
EE01 | Entry into force of recordation of patent licensing contract | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20130313 Assignee: Ningbo Changlong New Material Co.,Ltd. Assignor: NINGBO SOLARTRON TECHNOLOGY Co.,Ltd. Contract record no.: X2021330000199 Denomination of invention: A preparation method of polyester lithium ion battery diaphragm Granted publication date: 20150617 License type: Common License Record date: 20210831 |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220512 Address after: 230000 1004, building 15, Xinzhan Industrial Park, logistics branch road, Xinzhan District, Hefei City, Anhui Province Patentee after: Hefei Changyang New Energy Technology Co.,Ltd. Address before: No. 999, Qingfeng Road, Jiangbei District, Ningbo, Zhejiang 315000 Patentee before: NINGBO SOLARTRON TECHNOLOGY Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20221226 Address after: No. 999, Gushui Road, Xinzhan District, Hefei City, Anhui Province, 230000 Patentee after: Hefei Changyang New Material Technology Co.,Ltd. Address before: 230000 1004, building 15, Xinzhan Industrial Park, logistics branch road, Xinzhan District, Hefei City, Anhui Province Patentee before: Hefei Changyang New Energy Technology Co.,Ltd. |