CN114464957A - 适于电液动力学ehd喷射印刷技术的钠米级锂电池隔膜涂料 - Google Patents
适于电液动力学ehd喷射印刷技术的钠米级锂电池隔膜涂料 Download PDFInfo
- Publication number
- CN114464957A CN114464957A CN202210128971.9A CN202210128971A CN114464957A CN 114464957 A CN114464957 A CN 114464957A CN 202210128971 A CN202210128971 A CN 202210128971A CN 114464957 A CN114464957 A CN 114464957A
- Authority
- CN
- China
- Prior art keywords
- electro
- lithium battery
- jet printing
- printing technology
- hydrodynamic
- 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.)
- Pending
Links
- 239000011248 coating agent Substances 0.000 title claims abstract description 79
- 238000000576 coating method Methods 0.000 title claims abstract description 79
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 48
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 238000007639 printing Methods 0.000 title claims abstract description 45
- 238000005516 engineering process Methods 0.000 title claims abstract description 27
- 229920005569 poly(vinylidene fluoride-co-hexafluoropropylene) Polymers 0.000 claims abstract description 30
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000002562 thickening agent Substances 0.000 claims abstract description 14
- 239000008367 deionised water Substances 0.000 claims abstract description 11
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 11
- 239000002671 adjuvant Substances 0.000 claims abstract description 8
- 229920006026 co-polymeric resin Polymers 0.000 claims abstract description 8
- 239000000839 emulsion Substances 0.000 claims description 56
- 239000002245 particle Substances 0.000 claims description 27
- 239000011230 binding agent Substances 0.000 claims description 23
- 239000004925 Acrylic resin Substances 0.000 claims description 19
- 229920000178 Acrylic resin Polymers 0.000 claims description 19
- 239000004698 Polyethylene Substances 0.000 claims description 18
- 239000000919 ceramic Substances 0.000 claims description 15
- -1 polyethylene Polymers 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 13
- 229920000573 polyethylene Polymers 0.000 claims description 13
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 13
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 11
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 11
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 10
- 239000000725 suspension Substances 0.000 claims description 10
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical group [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 9
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 9
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 9
- 210000002469 basement membrane Anatomy 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 238000007787 electrohydrodynamic spraying Methods 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- 229920001577 copolymer Polymers 0.000 claims description 2
- 239000003973 paint Substances 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims 1
- 239000000853 adhesive Substances 0.000 abstract description 14
- 230000001070 adhesive effect Effects 0.000 abstract description 14
- 238000003756 stirring Methods 0.000 description 18
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 16
- 239000002033 PVDF binder Substances 0.000 description 16
- 239000000843 powder Substances 0.000 description 15
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 14
- 239000002002 slurry Substances 0.000 description 12
- 238000005507 spraying Methods 0.000 description 10
- 230000006872 improvement Effects 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 230000035699 permeability Effects 0.000 description 6
- 239000007921 spray Substances 0.000 description 6
- 239000012752 auxiliary agent Substances 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000004528 spin coating Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- 239000006255 coating slurry Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical compound CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 210000004379 membrane Anatomy 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000003607 modifier Substances 0.000 description 2
- 101710091977 Hydrophobin Proteins 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000007718 adhesive strength test Methods 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004205 dimethyl polysiloxane Substances 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000007590 electrostatic spraying Methods 0.000 description 1
- 238000007720 emulsion polymerization reaction Methods 0.000 description 1
- 238000007602 hot air drying Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000010220 ion permeability Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000010557 suspension polymerization reaction Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Images
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
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/411—Organic material
- H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Cell Separators (AREA)
Abstract
Description
旋涂 | 静电喷涂 | |
乳液PVDF含量(%) | 15% | 5% |
覆盖率(%) | 21% | 7% |
极片剥离力(N/m) | 4.39 | 6.41 |
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210128971.9A CN114464957A (zh) | 2022-02-11 | 2022-02-11 | 适于电液动力学ehd喷射印刷技术的钠米级锂电池隔膜涂料 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210128971.9A CN114464957A (zh) | 2022-02-11 | 2022-02-11 | 适于电液动力学ehd喷射印刷技术的钠米级锂电池隔膜涂料 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN114464957A true CN114464957A (zh) | 2022-05-10 |
Family
ID=81413177
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202210128971.9A Pending CN114464957A (zh) | 2022-02-11 | 2022-02-11 | 适于电液动力学ehd喷射印刷技术的钠米级锂电池隔膜涂料 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN114464957A (zh) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140038025A1 (en) * | 2012-07-31 | 2014-02-06 | Jeong-Ki Ha | Separator, lithium battery including the separator, and method of preparing the separator |
CN107275550A (zh) * | 2017-06-20 | 2017-10-20 | 深圳市星源材质科技股份有限公司 | 一种陶瓷和聚合物复合涂覆锂离子隔膜及其制备方法 |
CN110571395A (zh) * | 2019-08-30 | 2019-12-13 | 瑞浦能源有限公司 | 一种锂离子电池隔膜及其制备方法 |
CN113363672A (zh) * | 2020-03-06 | 2021-09-07 | 中材锂膜有限公司 | 一种锂离子电池用喷涂隔膜及其制备方法 |
-
2022
- 2022-02-11 CN CN202210128971.9A patent/CN114464957A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140038025A1 (en) * | 2012-07-31 | 2014-02-06 | Jeong-Ki Ha | Separator, lithium battery including the separator, and method of preparing the separator |
CN107275550A (zh) * | 2017-06-20 | 2017-10-20 | 深圳市星源材质科技股份有限公司 | 一种陶瓷和聚合物复合涂覆锂离子隔膜及其制备方法 |
CN110571395A (zh) * | 2019-08-30 | 2019-12-13 | 瑞浦能源有限公司 | 一种锂离子电池隔膜及其制备方法 |
CN113363672A (zh) * | 2020-03-06 | 2021-09-07 | 中材锂膜有限公司 | 一种锂离子电池用喷涂隔膜及其制备方法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110444718B (zh) | 具有高粘结性聚合物涂膜的陶瓷复合隔膜的制备方法 | |
CN107123767B (zh) | 一种有机功能化多孔性隔离膜、制备方法及锂离子电池 | |
WO2018145666A1 (zh) | 耐高温多种涂层的锂离子电池隔膜及其制备方法 | |
JP5829261B2 (ja) | 電気化学素子用セパレータおよび電気化学素子 | |
WO2019153822A1 (zh) | 一种粘结性聚合物涂覆锂离子电池隔膜及其制备方法 | |
KR102303725B1 (ko) | 열가교형 리튬이온 전지용 슬러리 및 그 제조방법, 리튬이온 전지용 전극, 리튬이온 전지용 세퍼레이터, 리튬이온 전지용 세퍼레이터/전극적층체, 및 리튬이온 전지 | |
CN108281592B (zh) | 一种耐高温的复合电池隔膜及其制备方法 | |
US8821593B2 (en) | Method for manufacturing electrode for electrochemical element | |
KR101245055B1 (ko) | 전기화학 소자 전극용 복합 입자, 전기화학 소자 전극용 복합 입자의 제조 방법 및 전기화학 소자 전극 | |
CN111048786B (zh) | 一种含有无机/有机核壳结构的乳液型粘结剂及锂离子电池 | |
KR102304904B1 (ko) | 비수계 이차전지 다공막용 바인더, 비수계 이차전지 다공막용 조성물, 비수계 이차전지용 다공막 및 비수계 이차전지 | |
WO2017185519A1 (zh) | 一种锂离子电池用水性陶瓷涂覆隔膜及其制备方法 | |
KR102138726B1 (ko) | 리튬이온 전지전극용 슬러리 및 그 제조방법, 리튬이온 전지용 전극 및 리튬이온 전지 | |
CN113451708A (zh) | 功能涂覆隔膜及其制备方法、锂离子电芯、锂离子电池包及其应用 | |
CN107528038B (zh) | 制备复合隔膜的混合浆料及复合隔膜的制备方法 | |
CN110911620B (zh) | 点状涂覆隔膜浆料、复合隔膜及其制备方法 | |
EP3007252B1 (en) | Slurry composition for lithium-ion secondary battery positive electrode, production method for lithium-ion secondary battery positive electrode, lithium-ion secondary battery positive electrode, and lithium-ion secondary battery | |
WO2023193399A1 (zh) | 核壳树脂材料以及制备方法、水性聚合物涂料、电池隔膜、二次电池 | |
CN110729440B (zh) | 一种锂离子电池涂层隔膜、制备方法及锂离子电池 | |
KR20150121030A (ko) | 도전성 조성물, 축전 디바이스용 하지층 부착 집전체, 축전 디바이스용 전극 및 축전 디바이스 | |
CN111180641A (zh) | 一种具有自交联作用的隔膜及其制备方法 | |
CN107925086B (zh) | 电化学元件用电极 | |
CN114709566A (zh) | 一种超薄涂覆隔膜及其制备方法 | |
CN109378431B (zh) | Pmma涂层浆料、pmma复合涂层隔膜及其制备方法 | |
CN114171844A (zh) | 用于锂二次电池的隔膜、其制造方法以及包括该隔膜的电化学装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Sun Dongyue Inventor after: Wu Zhao Inventor after: Wang Xiaoming Inventor after: Huang Shibin Inventor after: Wei Xingqiang Inventor before: Wu Zhao |
|
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20240117 Address after: No. 8 Zhenxing Road, Dongqiao Industrial Park, Dongqiao Economic Development Zone, Ningde City, Fujian Province, 352101 Applicant after: NINGDE ZHUOGAO NEW MATERIAL TECHNOLOGY Co.,Ltd. Address before: 518000 room 1101c, building 5, meinian International Plaza, Xinggong Road, Taohuayuan community, merchants street, Nanshan District, Shenzhen, Guangdong Applicant before: Heixi Technology (Shenzhen) Co.,Ltd. |