CN115275505A - 一种低闭孔高破膜的芳纶锂电池隔膜及其制备方法 - Google Patents
一种低闭孔高破膜的芳纶锂电池隔膜及其制备方法 Download PDFInfo
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- CN115275505A CN115275505A CN202210528969.0A CN202210528969A CN115275505A CN 115275505 A CN115275505 A CN 115275505A CN 202210528969 A CN202210528969 A CN 202210528969A CN 115275505 A CN115275505 A CN 115275505A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 34
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 31
- 239000011148 porous material Substances 0.000 title claims abstract description 24
- 229920006231 aramid fiber Polymers 0.000 title claims abstract description 16
- 229920000642 polymer Polymers 0.000 claims abstract description 85
- 239000000243 solution Substances 0.000 claims abstract description 71
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 45
- 238000005266 casting Methods 0.000 claims abstract description 32
- 239000012528 membrane Substances 0.000 claims abstract description 27
- 238000003756 stirring Methods 0.000 claims abstract description 21
- 239000011259 mixed solution Substances 0.000 claims abstract description 20
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 19
- 238000001035 drying Methods 0.000 claims abstract description 18
- 239000011248 coating agent Substances 0.000 claims abstract description 15
- 238000000576 coating method Methods 0.000 claims abstract description 15
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 10
- 238000000614 phase inversion technique Methods 0.000 claims abstract description 10
- 238000002791 soaking Methods 0.000 claims abstract description 8
- 239000000758 substrate Substances 0.000 claims abstract description 3
- 229920003235 aromatic polyamide Polymers 0.000 claims description 52
- 239000004760 aramid Substances 0.000 claims description 43
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 29
- 238000006243 chemical reaction Methods 0.000 claims description 26
- 239000007788 liquid Substances 0.000 claims description 18
- 239000003960 organic solvent Substances 0.000 claims description 18
- WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 claims description 14
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 14
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical group [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 claims description 14
- 229940018564 m-phenylenediamine Drugs 0.000 claims description 14
- 229910052757 nitrogen Inorganic materials 0.000 claims description 14
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 claims description 13
- 229920000577 Nylon 6/66 Polymers 0.000 claims description 12
- TZYHIGCKINZLPD-UHFFFAOYSA-N azepan-2-one;hexane-1,6-diamine;hexanedioic acid Chemical compound NCCCCCCN.O=C1CCCCCN1.OC(=O)CCCCC(O)=O TZYHIGCKINZLPD-UHFFFAOYSA-N 0.000 claims description 12
- FDQSRULYDNDXQB-UHFFFAOYSA-N benzene-1,3-dicarbonyl chloride Chemical compound ClC(=O)C1=CC=CC(C(Cl)=O)=C1 FDQSRULYDNDXQB-UHFFFAOYSA-N 0.000 claims description 12
- 239000006184 cosolvent Substances 0.000 claims description 12
- 239000005457 ice water Substances 0.000 claims description 12
- 229920001897 terpolymer Polymers 0.000 claims description 12
- 238000002844 melting Methods 0.000 claims description 11
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 10
- 239000001110 calcium chloride Substances 0.000 claims description 10
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 10
- LXEJRKJRKIFVNY-UHFFFAOYSA-N terephthaloyl chloride Chemical compound ClC(=O)C1=CC=C(C(Cl)=O)C=C1 LXEJRKJRKIFVNY-UHFFFAOYSA-N 0.000 claims description 10
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 9
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 9
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 238000007493 shaping process Methods 0.000 claims description 9
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 8
- 239000002202 Polyethylene glycol Substances 0.000 claims description 8
- 229920001223 polyethylene glycol Polymers 0.000 claims description 8
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims description 7
- 229920001577 copolymer Polymers 0.000 claims description 7
- 238000006386 neutralization reaction Methods 0.000 claims description 7
- 230000003472 neutralizing effect Effects 0.000 claims description 7
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 7
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 6
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 6
- 239000000920 calcium hydroxide Substances 0.000 claims description 6
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 6
- 230000000379 polymerizing effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- JHWNWJKBPDFINM-UHFFFAOYSA-N Laurolactam Chemical compound O=C1CCCCCCCCCCCN1 JHWNWJKBPDFINM-UHFFFAOYSA-N 0.000 claims description 4
- 229920000299 Nylon 12 Polymers 0.000 claims description 4
- 229920000305 Nylon 6,10 Polymers 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 229920005569 poly(vinylidene fluoride-co-hexafluoropropylene) Polymers 0.000 claims description 4
- 229920000131 polyvinylidene Polymers 0.000 claims description 4
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 4
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 4
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 4
- KDYFGRWQOYBRFD-UHFFFAOYSA-L succinate(2-) Chemical compound [O-]C(=O)CCC([O-])=O KDYFGRWQOYBRFD-UHFFFAOYSA-L 0.000 claims description 4
- AVQQQNCBBIEMEU-UHFFFAOYSA-N 1,1,3,3-tetramethylurea Chemical compound CN(C)C(=O)N(C)C AVQQQNCBBIEMEU-UHFFFAOYSA-N 0.000 claims description 3
- 238000002156 mixing Methods 0.000 abstract description 5
- 238000005755 formation reaction Methods 0.000 abstract 1
- 238000004513 sizing Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 19
- 229910001220 stainless steel Inorganic materials 0.000 description 9
- 239000010935 stainless steel Substances 0.000 description 9
- 239000003792 electrolyte Substances 0.000 description 7
- 238000005096 rolling process Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 4
- 229920000098 polyolefin Polymers 0.000 description 4
- 239000002033 PVDF binder Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- 230000002427 irreversible effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000005524 ceramic coating Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000007756 gravure coating Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen(.) Chemical compound [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000007712 rapid solidification Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
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
- H01M50/403—Manufacturing processes of separators, membranes or diaphragms
-
- 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
- H01M50/409—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
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/411—Organic material
- H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
- H01M50/417—Polyolefins
-
- 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
- H01M50/423—Polyamide 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
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/411—Organic material
- H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
- H01M50/426—Fluorocarbon polymers
-
- 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
- H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
- H01M50/451—Separators, membranes or diaphragms characterised by the material having a layered structure comprising layers of only organic material and layers containing inorganic material
-
- 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
- H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
-
- 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
- H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
- H01M50/491—Porosity
-
- 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)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210528969.0A CN115275505A (zh) | 2022-05-16 | 2022-05-16 | 一种低闭孔高破膜的芳纶锂电池隔膜及其制备方法 |
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CN202210528969.0A CN115275505A (zh) | 2022-05-16 | 2022-05-16 | 一种低闭孔高破膜的芳纶锂电池隔膜及其制备方法 |
Publications (1)
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CN115275505A true CN115275505A (zh) | 2022-11-01 |
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CN202210528969.0A Pending CN115275505A (zh) | 2022-05-16 | 2022-05-16 | 一种低闭孔高破膜的芳纶锂电池隔膜及其制备方法 |
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CN (1) | CN115275505A (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116470126A (zh) * | 2023-05-15 | 2023-07-21 | 梅州市博富能科技有限公司 | 一种耐高温锂离子电池及其制作方法 |
Citations (12)
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US6180280B1 (en) * | 1998-03-12 | 2001-01-30 | Celgard Inc. | Trilayer battery separator |
CN101279211A (zh) * | 2008-01-11 | 2008-10-08 | 北京工业大学 | 聚偏氟乙烯疏水微孔膜的制备方法 |
CN103378331A (zh) * | 2012-04-24 | 2013-10-30 | 清华大学 | 一种锂电池隔膜及其制备方法 |
CN103824988A (zh) * | 2014-02-24 | 2014-05-28 | 东华大学 | 一种复合纳米纤维锂电池隔膜及其制备方法 |
CN107170942A (zh) * | 2017-06-01 | 2017-09-15 | 青岛中科华联新材料股份有限公司 | 一种耐高温芳纶锂离子电池复合隔膜及其制备方法 |
CN107970791A (zh) * | 2017-12-28 | 2018-05-01 | 深圳市君脉膜科技有限公司 | 一种增强型中空纤维微滤膜的制备方法及制备系统 |
CN109148790A (zh) * | 2017-06-28 | 2019-01-04 | 微宏动力系统(湖州)有限公司 | 一种多孔隔膜、制备方法及锂电池 |
CN110021729A (zh) * | 2019-04-22 | 2019-07-16 | 深圳中兴新材技术股份有限公司 | 一种梯度低温闭孔的复合隔膜及其制备方法 |
CN110635090A (zh) * | 2019-09-27 | 2019-12-31 | 宁德卓高新材料科技有限公司 | 高耐热性偏氟乙烯聚合物混涂隔膜的制备方法 |
CN112531285A (zh) * | 2020-12-21 | 2021-03-19 | 中材锂膜有限公司 | 一种耐高温对位芳纶涂覆锂离子电池隔膜及其制备方法 |
CN113036308A (zh) * | 2021-03-03 | 2021-06-25 | 南京航空航天大学 | 一种锂离子电池复合凝胶隔膜及其制备方法和应用 |
CN113964453A (zh) * | 2021-10-19 | 2022-01-21 | 远景动力技术(江苏)有限公司 | 复合隔膜及其制备方法和应用 |
-
2022
- 2022-05-16 CN CN202210528969.0A patent/CN115275505A/zh active Pending
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US6180280B1 (en) * | 1998-03-12 | 2001-01-30 | Celgard Inc. | Trilayer battery separator |
CN101279211A (zh) * | 2008-01-11 | 2008-10-08 | 北京工业大学 | 聚偏氟乙烯疏水微孔膜的制备方法 |
CN103378331A (zh) * | 2012-04-24 | 2013-10-30 | 清华大学 | 一种锂电池隔膜及其制备方法 |
CN103824988A (zh) * | 2014-02-24 | 2014-05-28 | 东华大学 | 一种复合纳米纤维锂电池隔膜及其制备方法 |
CN107170942A (zh) * | 2017-06-01 | 2017-09-15 | 青岛中科华联新材料股份有限公司 | 一种耐高温芳纶锂离子电池复合隔膜及其制备方法 |
CN109148790A (zh) * | 2017-06-28 | 2019-01-04 | 微宏动力系统(湖州)有限公司 | 一种多孔隔膜、制备方法及锂电池 |
CN107970791A (zh) * | 2017-12-28 | 2018-05-01 | 深圳市君脉膜科技有限公司 | 一种增强型中空纤维微滤膜的制备方法及制备系统 |
CN110021729A (zh) * | 2019-04-22 | 2019-07-16 | 深圳中兴新材技术股份有限公司 | 一种梯度低温闭孔的复合隔膜及其制备方法 |
CN110635090A (zh) * | 2019-09-27 | 2019-12-31 | 宁德卓高新材料科技有限公司 | 高耐热性偏氟乙烯聚合物混涂隔膜的制备方法 |
CN112531285A (zh) * | 2020-12-21 | 2021-03-19 | 中材锂膜有限公司 | 一种耐高温对位芳纶涂覆锂离子电池隔膜及其制备方法 |
CN113036308A (zh) * | 2021-03-03 | 2021-06-25 | 南京航空航天大学 | 一种锂离子电池复合凝胶隔膜及其制备方法和应用 |
CN113964453A (zh) * | 2021-10-19 | 2022-01-21 | 远景动力技术(江苏)有限公司 | 复合隔膜及其制备方法和应用 |
Non-Patent Citations (1)
Title |
---|
倪礼忠,陈麒: "《聚合物基复合材料 第2版》", 31 January 2022, 华东理工大学出版社, pages: 20 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116470126A (zh) * | 2023-05-15 | 2023-07-21 | 梅州市博富能科技有限公司 | 一种耐高温锂离子电池及其制作方法 |
CN116470126B (zh) * | 2023-05-15 | 2023-11-17 | 梅州市博富能科技有限公司 | 一种耐高温锂离子电池及其制作方法 |
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