CN106450111B - 高性能锂电池隔膜干法双拉工艺 - Google Patents
高性能锂电池隔膜干法双拉工艺 Download PDFInfo
- Publication number
- CN106450111B CN106450111B CN201611042665.4A CN201611042665A CN106450111B CN 106450111 B CN106450111 B CN 106450111B CN 201611042665 A CN201611042665 A CN 201611042665A CN 106450111 B CN106450111 B CN 106450111B
- Authority
- CN
- China
- Prior art keywords
- substrate
- nucleating agent
- lithium battery
- dry
- polypropylene
- 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
- 238000000034 method Methods 0.000 title claims abstract description 30
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 21
- 230000008569 process Effects 0.000 title claims abstract description 15
- 239000000758 substrate Substances 0.000 claims abstract description 27
- 239000002994 raw material Substances 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 238000005520 cutting process Methods 0.000 claims abstract description 6
- 238000004806 packaging method and process Methods 0.000 claims abstract description 6
- 239000002667 nucleating agent Substances 0.000 claims description 31
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 30
- -1 polypropylene Polymers 0.000 claims description 25
- 239000004743 Polypropylene Substances 0.000 claims description 21
- 229920001155 polypropylene Polymers 0.000 claims description 20
- 239000000377 silicon dioxide Substances 0.000 claims description 15
- 239000002904 solvent Substances 0.000 claims description 15
- 239000003963 antioxidant agent Substances 0.000 claims description 10
- 230000003078 antioxidant effect Effects 0.000 claims description 10
- 229920000642 polymer Polymers 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 5
- YPHMISFOHDHNIV-FSZOTQKASA-N cycloheximide Chemical compound C1[C@@H](C)C[C@H](C)C(=O)[C@@H]1[C@H](O)CC1CC(=O)NC(=O)C1 YPHMISFOHDHNIV-FSZOTQKASA-N 0.000 claims description 5
- 239000002808 molecular sieve Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 5
- 150000002910 rare earth metals Chemical class 0.000 claims description 5
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 5
- 238000001179 sorption measurement Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 238000001291 vacuum drying Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000009826 distribution Methods 0.000 abstract description 4
- 239000011148 porous material Substances 0.000 abstract description 3
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 230000035699 permeability Effects 0.000 abstract description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 9
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 8
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 8
- 238000001035 drying Methods 0.000 description 4
- 239000012528 membrane Substances 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000003796 beauty Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000037332 pore function Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Cell Separators (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611042665.4A CN106450111B (zh) | 2016-11-24 | 2016-11-24 | 高性能锂电池隔膜干法双拉工艺 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611042665.4A CN106450111B (zh) | 2016-11-24 | 2016-11-24 | 高性能锂电池隔膜干法双拉工艺 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106450111A CN106450111A (zh) | 2017-02-22 |
| CN106450111B true CN106450111B (zh) | 2019-07-26 |
Family
ID=58218213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611042665.4A Active CN106450111B (zh) | 2016-11-24 | 2016-11-24 | 高性能锂电池隔膜干法双拉工艺 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106450111B (zh) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108305975B (zh) * | 2018-01-09 | 2021-04-20 | 深圳中兴新材技术股份有限公司 | 一种用于锂离子电池的复合隔膜及其制备方法 |
| CN109830632B (zh) * | 2019-01-22 | 2022-07-15 | 上海化工研究院有限公司 | 一种芳纶涂覆锂离子电池隔膜 |
| CN110165129A (zh) * | 2019-05-28 | 2019-08-23 | 大连中比动力电池有限公司 | 一种抗氧化高穿刺强度干法隔膜及其制备方法和应用 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1547270A (zh) * | 2003-12-03 | 2004-11-17 | ���Ŵ�ѧ | 复合锂电池隔膜及其制备方法 |
| CN1897329A (zh) * | 2005-09-20 | 2007-01-17 | 上海盛超自动化科技有限公司 | 锂离子电池用聚烯微多孔多层隔膜及其制造方法 |
| CN101345296A (zh) * | 2008-08-25 | 2009-01-14 | 陆英 | 锂离子电池隔膜制备方法及系统 |
| CN104419066A (zh) * | 2013-09-09 | 2015-03-18 | 中国石油化工股份有限公司 | 用于制备聚丙烯微孔膜的聚丙烯组合物及其制备方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9134471B2 (en) * | 2006-06-28 | 2015-09-15 | 3M Innovative Properties Company | Oriented polymeric articles and method |
-
2016
- 2016-11-24 CN CN201611042665.4A patent/CN106450111B/zh active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1547270A (zh) * | 2003-12-03 | 2004-11-17 | ���Ŵ�ѧ | 复合锂电池隔膜及其制备方法 |
| CN1897329A (zh) * | 2005-09-20 | 2007-01-17 | 上海盛超自动化科技有限公司 | 锂离子电池用聚烯微多孔多层隔膜及其制造方法 |
| CN101345296A (zh) * | 2008-08-25 | 2009-01-14 | 陆英 | 锂离子电池隔膜制备方法及系统 |
| CN104419066A (zh) * | 2013-09-09 | 2015-03-18 | 中国石油化工股份有限公司 | 用于制备聚丙烯微孔膜的聚丙烯组合物及其制备方法 |
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| Publication number | Publication date |
|---|---|
| CN106450111A (zh) | 2017-02-22 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Dry-method dual-pulling process of high-performance lithium battery diaphragm Effective date of registration: 20200622 Granted publication date: 20190726 Pledgee: The development of small and medium-sized enterprises financing Company Limited by Guarantee Jieshou City Pledgor: JIESHOU TIANHONG NEW MATERIAL Co.,Ltd. Registration number: Y2020980003312 |
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Date of cancellation: 20220510 Granted publication date: 20190726 Pledgee: The development of small and medium-sized enterprises financing Company Limited by Guarantee Jieshou City Pledgor: JIESHOU TIANHONG NEW MATERIAL Co.,Ltd. Registration number: Y2020980003312 |
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