JP7545216B2 - 非水系二次電池用セパレータ及び非水系二次電池 - Google Patents
非水系二次電池用セパレータ及び非水系二次電池 Download PDFInfo
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- JP7545216B2 JP7545216B2 JP2020034133A JP2020034133A JP7545216B2 JP 7545216 B2 JP7545216 B2 JP 7545216B2 JP 2020034133 A JP2020034133 A JP 2020034133A JP 2020034133 A JP2020034133 A JP 2020034133A JP 7545216 B2 JP7545216 B2 JP 7545216B2
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- separator
- porous substrate
- porous layer
- electrolyte solution
- porous
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- 239000000758 substrate Substances 0.000 claims description 113
- 229920005989 resin Polymers 0.000 claims description 63
- 239000011347 resin Substances 0.000 claims description 63
- 239000011148 porous material Substances 0.000 claims description 48
- 239000008151 electrolyte solution Substances 0.000 claims description 47
- 239000012982 microporous membrane Substances 0.000 claims description 28
- 239000012528 membrane Substances 0.000 claims description 26
- 229920003235 aromatic polyamide Polymers 0.000 claims description 25
- 239000010954 inorganic particle Substances 0.000 claims description 25
- 239000004760 aramid Substances 0.000 claims description 24
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 claims description 19
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 claims description 19
- 239000012046 mixed solvent Substances 0.000 claims description 18
- 229920000098 polyolefin Polymers 0.000 claims description 17
- 239000002904 solvent Substances 0.000 claims description 16
- 238000002156 mixing Methods 0.000 claims description 12
- 150000005676 cyclic carbonates Chemical class 0.000 claims description 9
- 229910001290 LiPF6 Inorganic materials 0.000 claims description 6
- 229910003002 lithium salt Inorganic materials 0.000 claims description 5
- 159000000002 lithium salts Chemical class 0.000 claims description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052744 lithium Inorganic materials 0.000 claims description 4
- 229910013880 LiPF4 Inorganic materials 0.000 claims description 3
- 125000005647 linker group Chemical group 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 111
- 239000003792 electrolyte Substances 0.000 description 44
- 238000000576 coating method Methods 0.000 description 43
- 239000011248 coating agent Substances 0.000 description 41
- 239000007788 liquid Substances 0.000 description 34
- -1 polyethylene Polymers 0.000 description 33
- 239000004698 Polyethylene Substances 0.000 description 29
- 229920000573 polyethylene Polymers 0.000 description 29
- 238000000034 method Methods 0.000 description 20
- 239000002245 particle Substances 0.000 description 20
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 16
- 238000005259 measurement Methods 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 11
- 230000010220 ion permeability Effects 0.000 description 11
- 239000011164 primary particle Substances 0.000 description 11
- 229910052782 aluminium Inorganic materials 0.000 description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 9
- 239000000523 sample Substances 0.000 description 9
- 229910013870 LiPF 6 Inorganic materials 0.000 description 7
- 239000004952 Polyamide Substances 0.000 description 7
- 239000003125 aqueous solvent Substances 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 7
- 239000002131 composite material Substances 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 7
- 229920002647 polyamide Polymers 0.000 description 7
- 239000011888 foil Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 239000004677 Nylon Substances 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 229920001778 nylon Polymers 0.000 description 5
- 239000003960 organic solvent Substances 0.000 description 5
- LCZVSXRMYJUNFX-UHFFFAOYSA-N 2-[2-(2-hydroxypropoxy)propoxy]propan-1-ol Chemical compound CC(O)COC(C)COC(C)CO LCZVSXRMYJUNFX-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 4
- 238000005227 gel permeation chromatography Methods 0.000 description 4
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 4
- 239000000347 magnesium hydroxide Substances 0.000 description 4
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000035515 penetration Effects 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 238000004438 BET method Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 3
- 239000002033 PVDF binder Substances 0.000 description 3
- 238000004833 X-ray photoelectron spectroscopy Methods 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 230000015271 coagulation Effects 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000011245 gel electrolyte Substances 0.000 description 3
- 238000005470 impregnation Methods 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000007773 negative electrode material Substances 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 3
- 239000007774 positive electrode material Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000004381 surface treatment Methods 0.000 description 3
- 238000011282 treatment Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 230000037303 wrinkles Effects 0.000 description 3
- RFFLAFLAYFXFSW-UHFFFAOYSA-N 1,2-dichlorobenzene Chemical compound ClC1=CC=CC=C1Cl RFFLAFLAYFXFSW-UHFFFAOYSA-N 0.000 description 2
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- 239000004962 Polyamide-imide Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 239000006230 acetylene black Substances 0.000 description 2
- 239000002156 adsorbate Substances 0.000 description 2
- 229910052788 barium Inorganic materials 0.000 description 2
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 238000002149 energy-dispersive X-ray emission spectroscopy Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 229910021385 hard carbon Inorganic materials 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229910000000 metal hydroxide Inorganic materials 0.000 description 2
- 150000004692 metal hydroxides Chemical class 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- 229920002312 polyamide-imide Polymers 0.000 description 2
- 229920005672 polyolefin resin Polymers 0.000 description 2
- 238000001004 secondary ion mass spectrometry Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 229910052582 BN Inorganic materials 0.000 description 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 1
- 229910010212 LiAl1/4Ni3/4O2 Inorganic materials 0.000 description 1
- 229910013063 LiBF 4 Inorganic materials 0.000 description 1
- 229910013684 LiClO 4 Inorganic materials 0.000 description 1
- 229910012652 LiCo1 Inorganic materials 0.000 description 1
- 229910012733 LiCo1/3Mn1/3Ni1/3O2 Inorganic materials 0.000 description 1
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 1
- 229910032387 LiCoO2 Inorganic materials 0.000 description 1
- 229910052493 LiFePO4 Inorganic materials 0.000 description 1
- 229910014073 LiMn1/2Ni1/2O2 Inorganic materials 0.000 description 1
- 229910003005 LiNiO2 Inorganic materials 0.000 description 1
- 229910002097 Lithium manganese(III,IV) oxide Inorganic materials 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000004695 Polyether sulfone Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 229920001494 Technora Polymers 0.000 description 1
- 229920000561 Twaron Polymers 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 1
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 238000003851 corona treatment Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000010294 electrolyte impregnation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000005001 laminate film Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229940057995 liquid paraffin Drugs 0.000 description 1
- 229910000625 lithium cobalt oxide Inorganic materials 0.000 description 1
- BFZPBUKRYWOWDV-UHFFFAOYSA-N lithium;oxido(oxo)cobalt Chemical compound [Li+].[O-][Co]=O BFZPBUKRYWOWDV-UHFFFAOYSA-N 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910021470 non-graphitizable carbon Inorganic materials 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 239000011146 organic particle Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- 239000003495 polar organic solvent Substances 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000550 scanning electron microscopy energy dispersive X-ray spectroscopy Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000004950 technora Substances 0.000 description 1
- 229910000314 transition metal oxide Inorganic materials 0.000 description 1
- 239000004762 twaron Substances 0.000 description 1
- 229920005609 vinylidenefluoride/hexafluoropropylene copolymer Polymers 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/26—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a solid phase from a macromolecular composition or article, e.g. leaching out
-
- 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
-
- 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
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
- H01M10/0566—Liquid materials
- H01M10/0569—Liquid materials characterised by the solvents
-
- 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
-
- 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
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Manufacturing & Machinery (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Cell Separators (AREA)
- Secondary Cells (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020034133A JP7545216B2 (ja) | 2020-02-28 | 2020-02-28 | 非水系二次電池用セパレータ及び非水系二次電池 |
| PCT/JP2021/006330 WO2021172195A1 (fr) | 2020-02-28 | 2021-02-19 | Séparateur pour batterie secondaire non aqueuse, et batterie secondaire non aqueuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020034133A JP7545216B2 (ja) | 2020-02-28 | 2020-02-28 | 非水系二次電池用セパレータ及び非水系二次電池 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2021136221A JP2021136221A (ja) | 2021-09-13 |
| JP7545216B2 true JP7545216B2 (ja) | 2024-09-04 |
Family
ID=77491078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020034133A Active JP7545216B2 (ja) | 2020-02-28 | 2020-02-28 | 非水系二次電池用セパレータ及び非水系二次電池 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP7545216B2 (fr) |
| WO (1) | WO2021172195A1 (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114614200B (zh) * | 2022-03-31 | 2023-12-19 | 宁德新能源科技有限公司 | 电化学装置及用电设备 |
| CN116632455B (zh) * | 2023-07-20 | 2023-10-20 | 宁德新能源科技有限公司 | 隔膜、包括其的电化学装置和电子装置 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011210435A (ja) | 2010-03-29 | 2011-10-20 | Teijin Ltd | 非水系二次電池用セパレータ |
| JP2016139489A (ja) | 2015-01-26 | 2016-08-04 | 旭化成株式会社 | 電池用セパレータ、及び非水電解液電池 |
| WO2019130994A1 (fr) | 2017-12-27 | 2019-07-04 | 帝人株式会社 | Séparateur pour batteries secondaires non aqueuses et batterie secondaire non aqueuse |
| WO2019146155A1 (fr) | 2018-01-24 | 2019-08-01 | 帝人株式会社 | Séparateur pour batterie secondaire non aqueuse et batterie secondaire non aqueuse |
| JP2019216033A (ja) | 2018-06-13 | 2019-12-19 | 帝人株式会社 | 非水系二次電池用セパレータ及び非水系二次電池 |
-
2020
- 2020-02-28 JP JP2020034133A patent/JP7545216B2/ja active Active
-
2021
- 2021-02-19 WO PCT/JP2021/006330 patent/WO2021172195A1/fr active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011210435A (ja) | 2010-03-29 | 2011-10-20 | Teijin Ltd | 非水系二次電池用セパレータ |
| JP2016139489A (ja) | 2015-01-26 | 2016-08-04 | 旭化成株式会社 | 電池用セパレータ、及び非水電解液電池 |
| WO2019130994A1 (fr) | 2017-12-27 | 2019-07-04 | 帝人株式会社 | Séparateur pour batteries secondaires non aqueuses et batterie secondaire non aqueuse |
| WO2019146155A1 (fr) | 2018-01-24 | 2019-08-01 | 帝人株式会社 | Séparateur pour batterie secondaire non aqueuse et batterie secondaire non aqueuse |
| JP2019216033A (ja) | 2018-06-13 | 2019-12-19 | 帝人株式会社 | 非水系二次電池用セパレータ及び非水系二次電池 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2021136221A (ja) | 2021-09-13 |
| WO2021172195A1 (fr) | 2021-09-02 |
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