CN117810394A - 复合活性材料及其制备方法、电极膜及其制备方法和应用 - Google Patents
复合活性材料及其制备方法、电极膜及其制备方法和应用 Download PDFInfo
- Publication number
- CN117810394A CN117810394A CN202311771533.5A CN202311771533A CN117810394A CN 117810394 A CN117810394 A CN 117810394A CN 202311771533 A CN202311771533 A CN 202311771533A CN 117810394 A CN117810394 A CN 117810394A
- Authority
- CN
- China
- Prior art keywords
- active material
- composite active
- particles
- electrode film
- optionally
- 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
- 239000011149 active material Substances 0.000 title claims abstract description 131
- 239000002131 composite material Substances 0.000 title claims abstract description 123
- 238000002360 preparation method Methods 0.000 title abstract description 30
- 239000002245 particle Substances 0.000 claims abstract description 152
- 238000000034 method Methods 0.000 claims abstract description 65
- 239000011230 binding agent Substances 0.000 claims abstract description 58
- 239000000463 material Substances 0.000 claims abstract description 51
- 239000011164 primary particle Substances 0.000 claims abstract description 49
- 229910021437 lithium-transition metal oxide Inorganic materials 0.000 claims abstract description 43
- 238000010008 shearing Methods 0.000 claims abstract description 33
- 238000003490 calendering Methods 0.000 claims abstract description 28
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 63
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 claims description 50
- 238000000576 coating method Methods 0.000 claims description 44
- 230000004927 fusion Effects 0.000 claims description 42
- 239000011248 coating agent Substances 0.000 claims description 37
- 239000000203 mixture Substances 0.000 claims description 26
- 239000002041 carbon nanotube Substances 0.000 claims description 22
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 22
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 20
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 20
- 239000006061 abrasive grain Substances 0.000 claims description 18
- 229910052799 carbon Inorganic materials 0.000 claims description 16
- 229910021389 graphene Inorganic materials 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 13
- 238000004146 energy storage Methods 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 11
- -1 polytetrafluoroethylene Polymers 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims description 10
- 239000004698 Polyethylene Substances 0.000 claims description 6
- 239000006185 dispersion Substances 0.000 claims description 6
- 229920000573 polyethylene Polymers 0.000 claims description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 5
- 229910052744 lithium Inorganic materials 0.000 claims description 5
- 239000002033 PVDF binder Substances 0.000 claims description 4
- 239000006230 acetylene black Substances 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- UCLCELYDHWWXIR-UHFFFAOYSA-N lithium dioxido(dioxo)manganese iron(2+) Chemical compound [Mn](=O)(=O)([O-])[O-].[Fe+2].[Li+] UCLCELYDHWWXIR-UHFFFAOYSA-N 0.000 claims description 4
- DVATZODUVBMYHN-UHFFFAOYSA-K lithium;iron(2+);manganese(2+);phosphate Chemical compound [Li+].[Mn+2].[Fe+2].[O-]P([O-])([O-])=O DVATZODUVBMYHN-UHFFFAOYSA-K 0.000 claims description 4
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 4
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 40
- 239000000835 fiber Substances 0.000 abstract description 31
- 239000013543 active substance Substances 0.000 abstract description 9
- 239000010410 layer Substances 0.000 description 37
- 230000000694 effects Effects 0.000 description 24
- 239000000843 powder Substances 0.000 description 20
- 230000000052 comparative effect Effects 0.000 description 15
- 239000011163 secondary particle Substances 0.000 description 13
- 239000006229 carbon black Substances 0.000 description 12
- 238000001035 drying Methods 0.000 description 9
- 238000009776 industrial production Methods 0.000 description 9
- 230000009286 beneficial effect Effects 0.000 description 8
- 230000002776 aggregation Effects 0.000 description 7
- 238000005054 agglomeration Methods 0.000 description 6
- 238000010902 jet-milling Methods 0.000 description 6
- 239000011812 mixed powder Substances 0.000 description 6
- 238000007670 refining Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 238000005469 granulation Methods 0.000 description 5
- 230000003179 granulation Effects 0.000 description 5
- 238000000227 grinding Methods 0.000 description 5
- 238000003801 milling Methods 0.000 description 5
- 239000004576 sand Substances 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 239000011246 composite particle Substances 0.000 description 3
- 239000007772 electrode material Substances 0.000 description 3
- 239000011859 microparticle Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000001878 scanning electron micrograph Methods 0.000 description 3
- 238000007873 sieving Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000002105 nanoparticle Substances 0.000 description 2
- 230000006911 nucleation Effects 0.000 description 2
- 238000010899 nucleation Methods 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 238000007581 slurry coating method Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002071 nanotube Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202311771533.5A CN117810394A (zh) | 2023-12-20 | 2023-12-20 | 复合活性材料及其制备方法、电极膜及其制备方法和应用 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202311771533.5A CN117810394A (zh) | 2023-12-20 | 2023-12-20 | 复合活性材料及其制备方法、电极膜及其制备方法和应用 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN117810394A true CN117810394A (zh) | 2024-04-02 |
Family
ID=90429019
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202311771533.5A Pending CN117810394A (zh) | 2023-12-20 | 2023-12-20 | 复合活性材料及其制备方法、电极膜及其制备方法和应用 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN117810394A (zh) |
-
2023
- 2023-12-20 CN CN202311771533.5A patent/CN117810394A/zh active Pending
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7567429B2 (en) | Electrode material for electric double layer capacitor and process for producing the same | |
JP5201313B2 (ja) | 電気化学素子用電極およびその製造方法 | |
KR101140089B1 (ko) | 전지용 양극 활물질 소결체 | |
CN113675362A (zh) | 干法制备电极片的方法、系统及应用 | |
JP2016054113A (ja) | 二次電池電極用複合体の製造方法、二次電池電極用複合体、二次電池用電極および二次電池 | |
JP2014507496A (ja) | 粉末形態のポリマー/カーボンナノチューブ混合物の製造方法 | |
WO2022024520A1 (ja) | Ptfe粉末、電極の製造方法、及び電極 | |
KR20140096581A (ko) | 코어쉘 구조의 나노 실리콘과 그래핀이 결합된 복합체, 이의 제조방법, 및 이를 활물질로 포함하는 전기화학소자 | |
JP2022078165A (ja) | Cntパルプのネットワークにより画定された構造物を製造するための系および方法 | |
JP2023545227A (ja) | リチウムイオン電池用の負極ペーストを作製するための方法 | |
CN116387509A (zh) | 一种锂金属电池用复合正极及其制备方法 | |
WO2021181887A1 (ja) | 電極の製造方法および電極合材 | |
CN112661132B (zh) | 一种硅基复合负极材料及其制备方法 | |
CN116368641A (zh) | 负极材料用硅纳米复合结构粉末以及其制备方法 | |
CN113611438A (zh) | 一种碳纳米管纤维束的粉碎方法及导电浆料 | |
CN113443620A (zh) | 一种少层石墨烯粉体的制备方法及其应用 | |
CN109671952A (zh) | 一种锂电池用微晶石墨烯基复合导电浆料及其制备方法 | |
CN117810394A (zh) | 复合活性材料及其制备方法、电极膜及其制备方法和应用 | |
CN112234178B (zh) | 一种超细纳米硅/碳复合材料及其制备方法和应用 | |
CN114824213A (zh) | 一种复合石墨及其制备方法、负极片和二次电池 | |
US11261092B2 (en) | Method of producing graphene | |
JP2022540368A (ja) | シリコンとグラファイトとを含む複合材料及びその製造方法 | |
JP2001035756A (ja) | キャパシタ用分極性電極の製造方法 | |
CN114976022B (zh) | 一种石墨烯复合干粉导电剂及其制备方法与应用 | |
WO2023119814A1 (ja) | 電極、非水電解質二次電池、および電極の製造方法 |
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 |
Inventor after: Ye Qikai Inventor after: Zheng Chao Inventor after: Jia Jinchao Inventor after: Chen Guohong Inventor after: Gao Yaling Inventor before: Ye Qikai Inventor before: Zheng Chao Inventor before: Jia Jinchao Inventor before: Chen Guohong Inventor before: Gao Yaling Inventor before: Zhu Zhenxing Inventor before: Wei Fei |