CN110931691B - 一种用于锂离子电池的隔膜及其制备方法和含有该隔膜的锂离子电池 - Google Patents
一种用于锂离子电池的隔膜及其制备方法和含有该隔膜的锂离子电池 Download PDFInfo
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- CN110931691B CN110931691B CN201911111363.1A CN201911111363A CN110931691B CN 110931691 B CN110931691 B CN 110931691B CN 201911111363 A CN201911111363 A CN 201911111363A CN 110931691 B CN110931691 B CN 110931691B
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- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 39
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 34
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 17
- 239000003792 electrolyte Substances 0.000 claims abstract description 15
- 239000003963 antioxidant agent Substances 0.000 claims description 24
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- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 3
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- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 2
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- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 2
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- WPMYUUITDBHVQZ-UHFFFAOYSA-N 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoic acid Chemical compound CC(C)(C)C1=CC(CCC(O)=O)=CC(C(C)(C)C)=C1O WPMYUUITDBHVQZ-UHFFFAOYSA-N 0.000 description 1
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- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
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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
- H01M50/446—Composite material consisting of a mixture of organic and inorganic materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4235—Safety or regulating additives or arrangements in electrodes, separators or electrolyte
-
- 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
-
- 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)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Composite Materials (AREA)
- Inorganic Chemistry (AREA)
- Cell Separators (AREA)
Abstract
Description
实施例 | 聚丙烯树脂 | 碳酸钙 | 相容剂 | 其它助剂 |
实施例1 | 100份 | 0 | 5份 | 0.3份 |
实施例2 | 90份 | 5份 | 5份 | 0.3份 |
实施例3 | 85份 | 10份 | 5份 | 0.3份 |
实施例4 | 80份 | 15份 | 5份 | 0.3份 |
实施例5 | 75份 | 20份 | 5份 | 0.3份 |
对比例 | 具体设置方式 |
对比例1 | 将碳酸钙替换为氧化铝 |
对比例2 | 将碳酸钙替换为氢氧化镁 |
对比例3 | 在其它助剂中使用单一抗氧剂1010 |
对比例4 | 步骤(2)中热处理退火温度为100℃ |
对比例5 | 步骤(2)中热处理退火温度为180℃ |
对比例6 | 步骤(3)中未进行常温拉伸 |
对比例7 | 步骤(3)中未进行高温拉伸 |
对比例8 | 步骤(3)中未进行热定型 |
对比例9 | 步骤(3)的总拉伸比为90%。 |
对比例10 | 步骤(3)的总拉伸比为160%。 |
实施例/对比例 | 吸液率(%) | 接触角(°) | 放电容量保持率 |
实施例1 | 55 | 109 | 83 |
实施例2 | 62 | 87 | 85 |
实施例3 | 70 | 80 | 87 |
实施例4 | 76 | 75 | 90 |
实施例5 | 78 | 73 | 88 |
对比例1 | 60 | 71 | 84 |
对比例2 | 62 | 74 | 82 |
对比例3 | 75 | 70 | 85 |
对比例4 | 64 | 68 | 70 |
对比例5 | 60 | 65 | 68 |
对比例6 | 50 | 68 | 67 |
对比例7 | 55 | 69 | 68 |
对比例8 | 53 | 67 | 70 |
对比例9 | 45 | 70 | 70 |
对比例10 | 72 | 78 | 80 |
Claims (4)
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CN201911111363.1A CN110931691B (zh) | 2019-11-14 | 2019-11-14 | 一种用于锂离子电池的隔膜及其制备方法和含有该隔膜的锂离子电池 |
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CN113675531A (zh) * | 2021-07-13 | 2021-11-19 | 宁德新能源科技有限公司 | 隔离膜、锂离子电芯及用电装置 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1331725A (zh) * | 1998-11-20 | 2002-01-16 | Bba无纺辛普森维尔公司 | 可润湿的聚丙烯组合物及其制备方法 |
CN102394283A (zh) * | 2011-11-15 | 2012-03-28 | 中国乐凯胶片集团公司 | 一种锂离子二次电池用隔膜及其制备方法 |
CN102769115A (zh) * | 2012-08-02 | 2012-11-07 | 常州大学 | 一种由聚丙烯混合物制备的锂离子电池隔膜及其制备方法 |
CN103972448A (zh) * | 2013-01-28 | 2014-08-06 | 海洋王照明科技股份有限公司 | 电化学电源隔膜及其制备方法、电化学电池或电容器 |
CN104403195A (zh) * | 2014-11-20 | 2015-03-11 | 深圳市星源材质科技股份有限公司 | 高浸润性锂离子电池隔膜的原料及隔膜的加工方法 |
CN105315550A (zh) * | 2014-07-29 | 2016-02-10 | 平野技研工业株式会社 | 聚丙烯微多孔性膜及其制造方法 |
CN110343278A (zh) * | 2018-04-04 | 2019-10-18 | 北京师范大学 | 一种复合聚丙烯微孔膜及其制法和包括该膜的锂离子电池隔膜 |
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Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1331725A (zh) * | 1998-11-20 | 2002-01-16 | Bba无纺辛普森维尔公司 | 可润湿的聚丙烯组合物及其制备方法 |
CN102394283A (zh) * | 2011-11-15 | 2012-03-28 | 中国乐凯胶片集团公司 | 一种锂离子二次电池用隔膜及其制备方法 |
CN102769115A (zh) * | 2012-08-02 | 2012-11-07 | 常州大学 | 一种由聚丙烯混合物制备的锂离子电池隔膜及其制备方法 |
CN103972448A (zh) * | 2013-01-28 | 2014-08-06 | 海洋王照明科技股份有限公司 | 电化学电源隔膜及其制备方法、电化学电池或电容器 |
CN105315550A (zh) * | 2014-07-29 | 2016-02-10 | 平野技研工业株式会社 | 聚丙烯微多孔性膜及其制造方法 |
CN104403195A (zh) * | 2014-11-20 | 2015-03-11 | 深圳市星源材质科技股份有限公司 | 高浸润性锂离子电池隔膜的原料及隔膜的加工方法 |
CN110343278A (zh) * | 2018-04-04 | 2019-10-18 | 北京师范大学 | 一种复合聚丙烯微孔膜及其制法和包括该膜的锂离子电池隔膜 |
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