CN208460853U - 隔膜及锂离子电池 - Google Patents
隔膜及锂离子电池 Download PDFInfo
- Publication number
- CN208460853U CN208460853U CN201820515289.4U CN201820515289U CN208460853U CN 208460853 U CN208460853 U CN 208460853U CN 201820515289 U CN201820515289 U CN 201820515289U CN 208460853 U CN208460853 U CN 208460853U
- Authority
- CN
- China
- Prior art keywords
- diaphragm
- stacked organic
- base
- organic block
- lithium ion
- 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
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 27
- -1 polyethylene Polymers 0.000 claims description 22
- 239000011248 coating agent Substances 0.000 claims description 18
- 238000000576 coating method Methods 0.000 claims description 18
- 239000002245 particle Substances 0.000 claims description 18
- 239000000919 ceramic Substances 0.000 claims description 17
- 239000004698 Polyethylene Substances 0.000 claims description 11
- 239000004743 Polypropylene Substances 0.000 claims description 11
- 229920000573 polyethylene Polymers 0.000 claims description 11
- 229920001155 polypropylene Polymers 0.000 claims description 11
- 229910001593 boehmite Inorganic materials 0.000 claims description 7
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 claims description 7
- 229920000620 organic polymer Polymers 0.000 claims description 7
- 239000012528 membrane Substances 0.000 claims description 5
- 238000004544 sputter deposition Methods 0.000 claims description 5
- 239000007791 liquid phase Substances 0.000 claims description 4
- 229920002125 Sokalan® Polymers 0.000 claims description 3
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims description 3
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 3
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 239000004584 polyacrylic acid Substances 0.000 claims description 3
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims 2
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims 1
- 229920001721 polyimide Polymers 0.000 claims 1
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims 1
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims 1
- 230000035699 permeability Effects 0.000 abstract description 9
- 239000003792 electrolyte Substances 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 3
- 230000004888 barrier function Effects 0.000 abstract description 3
- 230000008595 infiltration Effects 0.000 abstract description 3
- 238000001764 infiltration Methods 0.000 abstract description 3
- 230000035508 accumulation Effects 0.000 description 9
- 238000009825 accumulation Methods 0.000 description 9
- 238000012360 testing method Methods 0.000 description 4
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 229920002319 Poly(methyl acrylate) Polymers 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010433 feldspar Substances 0.000 description 2
- 150000002466 imines Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005524 ceramic coating Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008961 swelling Effects 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
-
- 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
Landscapes
- Secondary Cells (AREA)
Abstract
Description
电池样品 | 高度(um) | 面密度(g/m<sup>2</sup>) |
1 | 1 | 0.4 |
2 | 9 | 0.7 |
3 | 12 | 0.5 |
4 | 10 | 0.65 |
5 | 6 | 1.0 |
6 | 5 | 1.5 |
7 | 9 | 0.7 |
8 | 20 | 1.2 |
电池样品 | 透气值s/100ml |
1 | 158 |
2 | 159 |
3 | 156 |
4 | 158 |
5 | 160 |
6 | 162 |
7 | 164 |
8 | 159 |
9 | 157 |
电池样品 | 循环容量保持率(%) | 厚度膨胀比例(%) |
1 | 90.2 | 8.5 |
2 | 91.2 | 7.4 |
3 | 92.3 | 7.8 |
4 | 90.6 | 7.3 |
5 | 85.1 | 8.7 |
6 | 84.7 | 8.2 |
7 | 89.8 | 6.8 |
8 | 88.9 | 7.9 |
9 | 72.2 | 15.1(呈微S型) |
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820515289.4U CN208460853U (zh) | 2018-04-11 | 2018-04-11 | 隔膜及锂离子电池 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820515289.4U CN208460853U (zh) | 2018-04-11 | 2018-04-11 | 隔膜及锂离子电池 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208460853U true CN208460853U (zh) | 2019-02-01 |
Family
ID=65156476
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201820515289.4U Active CN208460853U (zh) | 2018-04-11 | 2018-04-11 | 隔膜及锂离子电池 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208460853U (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110034263A (zh) * | 2019-03-29 | 2019-07-19 | 欣旺达电动汽车电池有限公司 | 一种表面具有凹凸纹的隔膜及其制备方法 |
CN110380002A (zh) * | 2019-06-03 | 2019-10-25 | 江西力能新能源科技有限公司 | 一种勃姆石/氧化铝复合锂离子电池涂覆极片 |
WO2021195963A1 (zh) * | 2020-03-31 | 2021-10-07 | 宁德新能源科技有限公司 | 隔膜、电极组件、电池及电子装置 |
WO2023077516A1 (zh) * | 2021-11-08 | 2023-05-11 | 宁德时代新能源科技股份有限公司 | 负极极片及其制备方法、二次电池、电池模块、电池包及用电装置 |
-
2018
- 2018-04-11 CN CN201820515289.4U patent/CN208460853U/zh active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110034263A (zh) * | 2019-03-29 | 2019-07-19 | 欣旺达电动汽车电池有限公司 | 一种表面具有凹凸纹的隔膜及其制备方法 |
CN110380002A (zh) * | 2019-06-03 | 2019-10-25 | 江西力能新能源科技有限公司 | 一种勃姆石/氧化铝复合锂离子电池涂覆极片 |
WO2021195963A1 (zh) * | 2020-03-31 | 2021-10-07 | 宁德新能源科技有限公司 | 隔膜、电极组件、电池及电子装置 |
US12002989B2 (en) | 2020-03-31 | 2024-06-04 | Ningde Amperex Technology Limited | Separator, lithium-ion battery, and electronic device |
WO2023077516A1 (zh) * | 2021-11-08 | 2023-05-11 | 宁德时代新能源科技股份有限公司 | 负极极片及其制备方法、二次电池、电池模块、电池包及用电装置 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210508 Address after: 518000 1-2 Floor, Building A, Xinwangda Industrial Park, No. 18 Tangjianan Road, Gongming Street, Guangming New District, Shenzhen City, Guangdong Province Patentee after: SUNWODA ELECTRIC VEHICLE BATTERY Co.,Ltd. Address before: 518000, 1st floor, 2nd floor, A-B area, 2nd floor, D area-9th floor, Yihe Road, Shiyan Street, Baoan District, Shenzhen City, Guangdong Province Patentee before: SUNWODA ELECTRONICS Co.,Ltd. |
|
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: 518000 1-2 Floor, Building A, Xinwangda Industrial Park, No. 18 Tangjianan Road, Gongming Street, Guangming New District, Shenzhen City, Guangdong Province Patentee after: Xinwangda Power Technology Co.,Ltd. Address before: 518000 1-2 Floor, Building A, Xinwangda Industrial Park, No. 18 Tangjianan Road, Gongming Street, Guangming New District, Shenzhen City, Guangdong Province Patentee before: SUNWODA ELECTRIC VEHICLE BATTERY Co.,Ltd. |