CN106684265A - 铝塑膜锂离子电池及其制作方法 - Google Patents
铝塑膜锂离子电池及其制作方法 Download PDFInfo
- Publication number
- CN106684265A CN106684265A CN201710044615.8A CN201710044615A CN106684265A CN 106684265 A CN106684265 A CN 106684265A CN 201710044615 A CN201710044615 A CN 201710044615A CN 106684265 A CN106684265 A CN 106684265A
- Authority
- CN
- China
- Prior art keywords
- plastic film
- battery
- aluminum
- lithium
- ion battery
- 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
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 72
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 6
- 239000002985 plastic film Substances 0.000 claims abstract description 57
- 229920006255 plastic film Polymers 0.000 claims abstract description 57
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims abstract description 38
- 229910001416 lithium ion Inorganic materials 0.000 claims abstract description 38
- 239000012528 membrane Substances 0.000 claims abstract description 15
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 68
- 229910052751 metal Inorganic materials 0.000 claims description 38
- 239000002184 metal Substances 0.000 claims description 36
- 239000004411 aluminium Substances 0.000 claims description 26
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 20
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 20
- 239000006258 conductive agent Substances 0.000 claims description 18
- 239000005030 aluminium foil Substances 0.000 claims description 15
- 239000011230 binding agent Substances 0.000 claims description 13
- 239000002904 solvent Substances 0.000 claims description 13
- 239000002002 slurry Substances 0.000 claims description 12
- -1 Delanium Chemical compound 0.000 claims description 11
- 238000009422 external insulation Methods 0.000 claims description 10
- 239000007773 negative electrode material Substances 0.000 claims description 10
- 229910052759 nickel Inorganic materials 0.000 claims description 10
- 239000012943 hotmelt Substances 0.000 claims description 9
- 239000007774 positive electrode material Substances 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 230000004888 barrier function Effects 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 7
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 6
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 6
- 229910052737 gold Inorganic materials 0.000 claims description 6
- 239000010931 gold Substances 0.000 claims description 6
- 229910002804 graphite Inorganic materials 0.000 claims description 6
- 239000010439 graphite Substances 0.000 claims description 6
- 229920000642 polymer Polymers 0.000 claims description 6
- 229920002943 EPDM rubber Polymers 0.000 claims description 5
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 5
- 239000003575 carbonaceous material Substances 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 5
- 239000003607 modifier Substances 0.000 claims description 5
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 239000006229 carbon black Substances 0.000 claims description 4
- 239000010406 cathode material Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000002006 petroleum coke Substances 0.000 claims description 4
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 4
- 239000004034 viscosity adjusting agent Substances 0.000 claims description 4
- 229910000809 Alumel Inorganic materials 0.000 claims description 3
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 3
- 229910032387 LiCoO2 Inorganic materials 0.000 claims description 3
- 229910002993 LiMnO2 Inorganic materials 0.000 claims description 3
- 229910014336 LiNi1-x-yCoxMnyO2 Inorganic materials 0.000 claims description 3
- 229910014063 LiNi1-xCoxO2 Inorganic materials 0.000 claims description 3
- 229910014402 LiNi1—xCoxO2 Inorganic materials 0.000 claims description 3
- 229910014446 LiNi1−x-yCoxMnyO2 Inorganic materials 0.000 claims description 3
- 229910014825 LiNi1−x−yCoxMnyO2 Inorganic materials 0.000 claims description 3
- 229910003005 LiNiO2 Inorganic materials 0.000 claims description 3
- 229910002097 Lithium manganese(III,IV) oxide Inorganic materials 0.000 claims description 3
- 239000002033 PVDF binder Substances 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000010405 anode material Substances 0.000 claims description 3
- 239000003792 electrolyte Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 150000004706 metal oxides Chemical class 0.000 claims description 3
- 229920005569 poly(vinylidene fluoride-co-hexafluoropropylene) Polymers 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000011787 zinc oxide Substances 0.000 claims description 3
- 229910000838 Al alloy Inorganic materials 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000006230 acetylene black Substances 0.000 claims description 2
- 229910017052 cobalt Inorganic materials 0.000 claims description 2
- 239000010941 cobalt Substances 0.000 claims description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 2
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- 239000011572 manganese Substances 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 239000004332 silver Substances 0.000 claims description 2
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 claims description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 239000010937 tungsten Substances 0.000 claims description 2
- 229920000914 Metallic fiber Polymers 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 6
- 230000001681 protective effect Effects 0.000 abstract description 2
- 238000005253 cladding Methods 0.000 abstract 4
- 230000000694 effects Effects 0.000 abstract 1
- 239000004743 Polypropylene Substances 0.000 description 9
- 229920000139 polyethylene terephthalate Polymers 0.000 description 7
- 239000005020 polyethylene terephthalate Substances 0.000 description 7
- 239000004698 Polyethylene Substances 0.000 description 6
- 229920001155 polypropylene Polymers 0.000 description 5
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 4
- 238000001467 acupuncture Methods 0.000 description 4
- 239000001768 carboxy methyl cellulose Substances 0.000 description 4
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 4
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 4
- 239000004800 polyvinyl chloride Substances 0.000 description 4
- 229920000915 polyvinyl chloride Polymers 0.000 description 4
- 238000010998 test method Methods 0.000 description 4
- 239000002202 Polyethylene glycol Substances 0.000 description 3
- 239000011149 active material Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000002905 metal composite material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- QELJHCBNGDEXLD-UHFFFAOYSA-N nickel zinc Chemical compound [Ni].[Zn] QELJHCBNGDEXLD-UHFFFAOYSA-N 0.000 description 1
- 229920001596 poly (chlorostyrenes) Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004804 winding Methods 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
- H01M50/10—Primary casings; Jackets or wrappings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B1/00—Layered products having a non-planar shape
- B32B1/08—Tubular products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
- B32B15/082—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising vinyl resins; comprising acrylic resins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
- B32B15/085—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
- B32B15/09—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- 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
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
- H01M10/058—Construction or manufacture
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/202—Conductive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/558—Impact strength, toughness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2457/00—Electrical equipment
- B32B2457/10—Batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
本发明公开了一种铝塑膜锂离子电池及其制作方法，所述铝塑膜锂离子电池包括铝塑膜和设于所述铝塑膜内部的电芯芯包，所述电芯芯包包括负极片、正极片和隔离膜；所述铝塑膜锂离子电池还包括一内壳结构，所述电芯芯包设于所述内壳结构的内部，所述铝塑膜包覆于所述内壳结构的外部。本发明将电芯芯包装入内壳结构中再将其用铝塑膜封装，即使施加在铝塑膜外表面的外力传递到了电芯内部，也会因为内壳结构缓冲而起到保护作用，所得锂离子电池的机械强度较好，外壳表面平滑美观，锂电池针刺试验结果表明其安全性能优良，能够抵抗外部环境的不安定影响，保证电池稳定运行。
Description
技术领域
本发明涉及一种铝塑膜锂离子电池及其制作方法。
背景技术
由于混合动力车辆及纯电动车辆的盛行，以及相应而来的对于清洁能源的需求，现今社会对于二次电池的研究越来越多。二次电池根据电芯种类可分为镍镉电池、镍氢电池、镍锌电池和锂离子电池等，其中，因为锂离子电池具有可循环使用、容量大、制动电压高、能量密度大的特点，在尖端动力能源领域有广泛的使用。特别是使用铝塑膜的聚合物软包锂离子电池，因其具有重量轻、制作成本低、电池形状方便设计等优点备受瞩目。
而正由于锂离子电池能量密度高、能源利用效率高的特点，以及其广泛的应用面期望值，锂离子电池在使用时的安全性能备受关注。现有技术中，常规用于电动车辆以及其他中大规模使用环境的锂离子电池一般采用电池组合形式进行应用；在使用过程中，若外部环境不安定引发诸如冲击或震动情况时，普通锂离子电池常会因此出现电芯内部破损或内部短路，进而导致发生热失控反应，最终引起电芯性能降低、绝缘性击穿、电池燃烧等问题。
发明内容
本发明要解决的技术问题是为了克服现有技术中锂离子电池在外部冲击或强烈震动下，容易因电芯内部破损而导致电芯性能降低、绝缘性击穿的缺陷，提供了一种强化电芯耐久性的铝塑膜锂离子电池及其制作方法。
本发明是通过下述技术方案来解决上述技术问题：
本发明提供了一种铝塑膜锂离子电池，包括铝塑膜和设于所述铝塑膜内部的电芯芯包，所述电芯芯包包括负极片、正极片和隔离膜；所述铝塑膜锂离子电池还包括一内壳结构，所述电芯芯包设于所述内壳结构的内部，所述铝塑膜包覆于所述内壳结构的外部；
所述内壳结构为层状结构，所述层状结构的层数至少为两层，所述层状结构包括一绝缘层以及一设于所述绝缘层外侧的金属层。
本发明中，所述内壳结构与所述电芯芯包接触的内部绝缘层要负责缓冲从外部层施加过来的冲击力，因此其具有的弹性应当是越大越好，与此相反，所述内壳结构的外部金属层的机械强度应当较高，并采用具有导电性的金属层从而建立针刺时的外部电流通路来提高电芯安全性。
本发明中，所述绝缘层的材质为本领域常规的具有电绝缘性和高热传导率的高分子聚合物，较佳地为PET(Polyethylene terephthalate，聚对苯二甲酸乙二醇酯)、PE(Polyethylene，聚乙烯)、PP(Polypropylene，聚丙烯)、PVC(Polyvinyl chloride，聚氯乙烯)和聚乙聚丙复合聚合物中的一种，以保证内壳结构的强度，在受到一定程度的外部冲击时能够保证其不会碎裂，并防止撞击之后电芯变形导致的内部短路，改善遭针刺型损伤后电池本体的性能。
本发明中，所述金属层的材质为本领域常规的具有良好导电性的金属或合金，较佳地为银、铜、金、铝、钨、镍和铁中的一种或其对应的合金，更佳地为铜、铝、铜合金和铝合金中的一种。
本发明中，所述层状结构的层数较佳地为三层，所述层状结构包括一设于中间的金属层，一设于所述金属层外侧的外绝缘层以及一设于所述金属层内侧的内绝缘层。
本发明中，所述层状结构的层数较佳地为三的倍数层，所述层状结构包括所述三的倍数个层状单元，每个所述层状单元包括一设于中间的金属层，一设于所述金属层外侧的外绝缘层以及一设于所述金属层内侧的内绝缘层，各层状单元的材质选择相互独立。
本发明中，所述内壳结构的形状较佳地与所述电芯芯包的形状相匹配；例如，当电芯芯包的形状是圆柱体时，内壳结构的形状也为圆柱体。
本发明中，所述负极片较佳地由粘结剂、导电剂、负极活物质和溶剂搅拌成合浆后将其涂覆在负极基材上并干燥、辊压后制成；所述正极片较佳地由粘结剂、导电剂、正极活物质和溶剂搅拌成合浆后将其涂覆在正极基材上并干燥、辊压后制成。
本发明中，所述粘结剂为本领域常规的粘结剂，较佳地为CMC(羧甲基纤维素)和/或EPDM(三元乙丙橡胶)。
本发明中，所述导电剂为本领域常规的导电剂，一般在其具备导电作用的同时只要不会引发化学性的反应，不限制其选择；所述导电剂较佳地为碳黑导电剂、碳素纤维、金属纤维、氟化碳、金属粉末和金属氧化物中的一种，所述碳黑导电剂较佳地包括天然石墨、人造石墨、碳粉和乙炔黑，所述金属粉末较佳地包括铝粉和镍粉，所述金属氧化物较佳地包括氧化锌、钛酸钾和氧化钛。
本发明中，所述负极活物质较佳地为由锂、钴、锰和镍中的两种或多种金属元素所形成的复合金属氧化物中的一种或多种，更佳地为LiCoO2、LiMn2O4、LiNiO2、LiNi1-xCoxO2(0＜x＜1)、LiMnO2、LiNi1-x-yCoxMnyO2(0＜x＜1，0＜y＜1)中的一种或多种。
本发明中，所述正极活物质较佳地为碳素材料、硅基负极材料和硅碳负极材料中的一种或多种，所述碳素材料较佳地为石油焦炭(petroleum coke)、活性炭(activatedcarbon)和石墨(graphite)中的一种或多种。
本发明中，所述溶剂为本领域常规的溶剂，较佳地为水或N-甲基吡咯烷酮(NMP)。
本发明中，所述合浆中较佳地加入粘度调节剂和/或导电性调节剂；所述粘度调节剂和所述导电性调节剂均为本领域常规。
本发明中，所述负极基材的材质较佳地为铝、镍和铝镍合金中的一种；所述正极基材的材质较佳地为铜、镍或铜镍合金中的一种。
本发明中，所述隔离膜为本领域常规的隔离膜，一般是具有微孔的多层结构，用于防止短路并提供锂离子通路；所述隔离膜的材质较佳地为PE、PP、PVDF(Polyvinylidenefluorid，聚偏氟乙烯)、PEO(Polyethylene oxide，聚氧化乙烯)、PAN(Polyacrylonitrile，聚丙烯腈)和PVDF-HFP(聚偏氟乙烯-六氟丙烯)中的一种或多种。
本发明中，所述铝塑膜为本领域常规的铝塑膜，所述铝塑膜包括铝箔层、设于所述铝箔层内侧的热熔层以及设于所述铝箔层外侧的绝缘膜层；所述铝塑膜的内部空间较佳地与所述电芯芯包相匹配。
本发明中，所述热熔层的材质较佳地为改性聚丙烯，更佳地为C-PP(CastedPolypropylene，浇注型聚丙烯)；所述绝缘膜的材质较佳地为尼龙或PET。
本发明还提供了一种上述铝塑膜锂离子电池的制作方法，其包括以下步骤：
(1)将负极片、正极片和隔离膜组装得到电芯芯包，并将所述电芯芯包装入内壳结构中，得电池内芯；
(2)铝塑膜冲壳得电池壳体；
(3)将所述电池内芯放入所述电池壳体中，并向所述电池壳体中注入电解液；
(4)真空封装，即可。
其中，步骤(1)中，所述组装为本领域常规操作，一般通过将负极片、隔离膜、正极片通过叠层或卷绕的方式得到相应结构的电芯芯包；例如，当制作常规柱状锂离子电池时，先按负极片-隔离膜-正极片-隔离膜自上而下的顺序放好，再经卷绕即制成电芯芯包。
步骤(1)中，所述冲壳为本领域常规操作，一般在冲壳阶段控制电池壳体的内部空间与芯包基本一致，以减少后续工艺如真空封装的处理难度
步骤(3)中，所述真空封装为本领域常规操作，用于除去电池壳体中的多余气体，防止其影响锂离子电池的稳定工作。
在符合本领域常识的基础上，上述各优选条件，可任意组合，即得本发明各较佳实例。
本发明的积极进步效果在于：本发明将电芯芯包装入内壳结构中再将其用铝塑膜封装，即使施加在铝塑膜外表面的外力传递到了电芯内部，也会因为内壳结构缓冲而起到保护作用，所得锂离子电池的机械强度较好，外壳表面平滑美观，锂电池针刺试验结果表明其安全性能优良，能够抵抗外部环境的不安定影响，保证电池稳定运行。
附图说明
图1为本发明实施例1中铝塑膜锂离子电池的轴测装配示意图。
图2为本发明实施例1中电池内芯的结构示意图。
图3为本发明实施例1中内壳结构的结构示意图。
图4为本发明实施例2中内壳结构的结构示意图。
附图标记说明：
1-铝塑膜，2-电芯芯包，3-内壳结构；
311-金属层，312-绝缘层，321-外绝缘层，322-金属层，323-内绝缘层。
具体实施方式
下面通过实施例的方式进一步说明本发明，但并不因此将本发明限制在所述的实施例范围之中。
本发明各实施例中，针刺试验根据中国国家标准GB/T 31485-2015《电动汽车用动力蓄电池安全要求及试验方法》进行。
实施例1
如图1所示，本实施例提供了一种铝塑膜锂离子电池，包括铝塑膜和设于所述铝塑膜内部的电芯芯包；所述铝塑膜为经本领域常规冲壳操作后得到的铝塑膜，所述电芯芯包呈扁平状，包括负极片、正极片和隔离膜，由所述电芯芯包引出的极耳(包括正极极耳和负极极耳)位于铝塑膜的外侧，并分别与所述电芯芯包中的正极片和负极片电连接；所述铝塑膜锂离子电池还包括一内壳结构。
如图1～2所示，所述内壳结构的形状与所述电芯芯包的形状相匹配，所述电芯芯包设于所述内壳结构的内部，形成一电池内芯；所述铝塑膜包覆于所述内壳结构的外部。
如图3所示，所述内壳结构为层状结构，所述层状结构的层数为两层，包括一绝缘层以及一设于所述绝缘层外侧的金属层。
本实施例中，所述铝塑膜包括铝箔层、设于所述铝箔层内侧的热熔层以及设于所述铝箔层外侧的绝缘膜层；所述铝塑膜的内部空间与所述电芯芯包相匹配，所述热熔层的材质为C-PP，所述绝缘膜的材质为尼龙。
本实施例中，所述电芯芯包中，所述负极片和所述正极片均由粘结剂、导电剂、活物质和溶剂搅拌成合浆后将其涂覆在基材上并干燥、辊压后制成；所述粘结剂为CMC，所述导电剂为人造石墨，所述活物质包括负极活物质和正极活物质，所述负极活物质为LiCoO2和LiMn2O4，所述正极活物质为石油焦炭、活性炭和石墨混合的碳素材料，所述溶剂为水，所述合浆中加入领域常规的粘度调节剂，所述基材包括负极基材和正极基材，所述负极基材的材质为铝，所述正极基材的材质为铜，所述隔离膜的材质为PE和PP；
本实施例中，所述内壳结构中，所述绝缘层的材质为PET，所述金属层的材质为铜。
本实施例的铝塑膜锂离子电池的制作方法包括以下步骤：
(1)将负极片、正极片和隔离膜叠层组装得到电芯芯包，并将所述电芯芯包装入内壳结构中，得电池内芯；
(2)铝塑膜冲壳得电池壳体；
(3)将所述电池内芯放入所述电池壳体中，并向所述电池壳体中注入电解液；
(4)真空封装，即可。
将所得铝塑膜锂离子电池按中国国家标准GB/T 31485-2015《电动汽车用动力蓄电池安全要求及试验方法》进行针刺试验，结果不爆炸、不起火，针刺区域电池温度稳定。
实施例2
本实施例与实施例1基本相同，区别在于：
如图4所示，本实施例中，所述层状结构的层数为三层，所述层状结构包括一设于中间的金属层，一设于所述金属层外侧的外绝缘层以及一设于所述金属层内侧的内绝缘层。
本实施例中，所述铝塑膜包括铝箔层、设于所述铝箔层内侧的热熔层以及设于所述铝箔层外侧的绝缘膜层；所述铝塑膜的内部空间与所述电芯芯包相匹配，所述热熔层的材质为C-PP，所述绝缘膜的材质为PET。
本实施例中，所述电芯芯包中，所述负极片和所述正极片均由粘结剂、导电剂、活物质和溶剂搅拌成合浆后将其涂覆在基材上并干燥、辊压后制成；所述粘结剂为EPDM，所述导电剂为铝粉，所述活物质包括负极活物质和正极活物质，所述负极活物质为LiNiO2和LiNi1-xCoxO2(0＜x＜1)，所述正极活物质为硅碳负极材料，所述溶剂为N-甲基吡咯烷酮，所述合浆中加入领域常规的导电性调节剂，所述基材包括负极基材和正极基材，所述负极基材的材质为镍，所述正极基材的材质为铜镍合金，所述隔离膜的材质为PVDF、PEO和PVDF-HFP；
本实施例中，所述内壳结构中，所述外绝缘层的材质为PE，所述内绝缘层的材质为PP，所述金属层的材质为铝。
将所得铝塑膜锂离子电池按中国国家标准GB/T 31485-2015《电动汽车用动力蓄电池安全要求及试验方法》进行针刺试验，结果不爆炸、不起火，针刺区域电池温度稳定。
实施例3
本实施例与实施例1基本相同，区别在于：
本实施例中，所述层状结构的层数为六层，所述层状结构包括所述两个层状单元，每个所述层状单元一设于中间的金属层，一设于所述金属层外侧的外绝缘层以及一设于所述金属层内侧的内绝缘层。
本实施例中，所述铝塑膜包括铝箔层、设于所述铝箔层内侧的热熔层以及设于所述铝箔层外侧的绝缘膜层；所述铝塑膜的内部空间与所述电芯芯包相匹配，所述热熔层的材质为C-PP，所述绝缘膜的材质为PET。
本实施例中，所述电芯芯包中，所述负极片和所述正极片均由粘结剂、导电剂、活物质和溶剂搅拌成合浆后将其涂覆在基材上并干燥、辊压后制成；所述粘结剂为CMC和EPDM，所述导电剂为氧化锌，所述活物质包括负极活物质和正极活物质，所述负极活物质为LiMnO2和LiNi1-x-yCoxMnyO2(0＜x＜1，0＜y＜1)，所述正极活物质为硅基负极材料，所述溶剂为N-甲基吡咯烷酮，所述合浆中加入领域常规的粘度调节剂和导电性调节剂，所述基材包括负极基材和正极基材，所述负极基材的材质为铝镍合金，所述正极基材的材质为镍，所述隔离膜的材质为PAN；
本实施例中，所述内壳结构中，外侧的层状单元中，所述外绝缘层的材质为PVC，所述内绝缘层的材质为PVC，所述金属层的材质为铜合金；内侧的层状单元中，所述外绝缘层的材质为聚乙聚丙复合聚合物，所述内绝缘层的材质为聚乙聚丙复合聚合物，所述金属层的材质为铝合金。
将所得铝塑膜锂离子电池按中国国家标准GB/T 31485-2015《电动汽车用动力蓄电池安全要求及试验方法》进行针刺试验，结果不爆炸、不起火，针刺区域电池温度稳定。
虽然以上描述了本发明的具体实施方式，但是本领域的技术人员应当理解，这些仅是举例说明，本发明的保护范围是由所附权利要求书限定的。本领域的技术人员在不背离本发明的原理和实质的前提下，可以对这些实施方式做出多种变更或修改，但这些变更和修改均落入本发明的保护范围。
Claims (10)
1.一种铝塑膜锂离子电池，其包括铝塑膜和设于所述铝塑膜内部的电芯芯包，所述电芯芯包包括负极片、正极片和隔离膜；其特征在于，所述铝塑膜锂离子电池还包括一内壳结构，所述电芯芯包设于所述内壳结构的内部，所述铝塑膜包覆于所述内壳结构的外部；
所述内壳结构为层状结构，所述层状结构的层数至少为两层，所述层状结构包括一绝缘层以及一设于所述绝缘层外侧的金属层。
2.如权利要求1所述的铝塑膜锂离子电池，其特征在于，所述绝缘层的材质为PET、PE、PP、PVC和聚乙聚丙复合聚合物中的一种。
3.如权利要求1所述的铝塑膜锂离子电池，其特征在于，所述金属层的材质为银、铜、金、铝、钨、镍和铁中的一种或其对应的合金，较佳地为铜、铝、铜合金和铝合金中的一种。
4.如权利要求1所述的铝塑膜锂离子电池，其特征在于，所述层状结构的层数为三层，所述层状结构包括一设于中间的金属层，一设于所述金属层外侧的外绝缘层以及一设于所述金属层内侧的内绝缘层。
5.如权利要求1所述的铝塑膜锂离子电池，其特征在于，所述层状结构的层数为三的倍数层，所述层状结构包括所述三的倍数个层状单元，每个所述层状单元包括一设于中间的金属层，一设于所述金属层外侧的外绝缘层以及一设于所述金属层内侧的内绝缘层。
6.如权利要求1所述的铝塑膜锂离子电池，其特征在于，所述内壳结构的形状与所述电芯芯包的形状相匹配。
7.如权利要求1所述的铝塑膜锂离子电池，其特征在于，所述负极片由粘结剂、导电剂、负极活物质和溶剂搅拌成合浆后将其涂覆在负极基材上并干燥、辊压后制成，所述正极片由粘结剂、导电剂、正极活物质和溶剂搅拌成合浆后将其涂覆在正极基材上并干燥、辊压后制成；
和/或，所述隔离膜的材质为PE、PP、PVDF、PEO、PAN和PVDF-HFP中的一种或多种。
8.如权利要求7所述的铝塑膜锂离子电池，其特征在于，所述粘结剂为CMC和/或EPDM；
和/或，所述导电剂为碳黑导电剂、碳素纤维、金属纤维、氟化碳、金属粉末和金属氧化物中的一种，所述碳黑导电剂包括天然石墨、人造石墨、碳粉和乙炔黑，所述金属粉末包括铝粉和镍粉，所述金属氧化物包括氧化锌、钛酸钾和氧化钛；
和/或，所述负极活物质为由锂、钴、锰和镍中的两种或多种金属元素所形成的复合金属氧化物中的一种或多种，较佳地为LiCoO2、LiMn2O4、LiNiO2、LiNi1-xCoxO2、LiMnO2、LiNi1-x- yCoxMnyO2中的一种或多种，其中0＜x＜1，0＜y＜1；
和/或，所述正极活物质为碳素材料、硅基负极材料和硅碳负极材料中的一种或多种，所述碳素材料为石油焦炭、活性炭和石墨中的一种或多种；
和/或，所述溶剂为水或N-甲基吡咯烷酮；
和/或，所述合浆中加入粘度调节剂和/或导电性调节剂；
和/或，所述负极基材的材质为铝、镍和铝镍合金中的一种；
和/或，所述正极基材的材质为铜、镍或铜镍合金中的一种。
9.如权利要求1所述的铝塑膜锂离子电池，其特征在于，所述铝塑膜包括铝箔层、设于所述铝箔层内侧的热熔层以及设于所述铝箔层外侧的绝缘膜层，所述铝塑膜的内部空间与所述电芯芯包相匹配。
10.一种如权利要求1～9任一项所述的铝塑膜锂离子电池的制作方法，其特征在于，其包括以下步骤：
(1)将负极片、正极片和隔离膜组装得到电芯芯包，并将所述电芯芯包装入内壳结构中，得电池内芯；
(2)铝塑膜冲壳得电池壳体；
(3)将所述电池内芯放入所述电池壳体中，并向所述电池壳体中注入电解液；
(4)真空封装，即可。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710044615.8A CN106684265A (zh) | 2017-01-19 | 2017-01-19 | 铝塑膜锂离子电池及其制作方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710044615.8A CN106684265A (zh) | 2017-01-19 | 2017-01-19 | 铝塑膜锂离子电池及其制作方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106684265A true CN106684265A (zh) | 2017-05-17 |
Family
ID=58859899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710044615.8A Pending CN106684265A (zh) | 2017-01-19 | 2017-01-19 | 铝塑膜锂离子电池及其制作方法 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106684265A (zh) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107732036A (zh) * | 2017-10-16 | 2018-02-23 | 深圳鸿恩高科新能源有限公司 | 一种军工设备大流量供电电源 |
| CN108544825A (zh) * | 2018-02-08 | 2018-09-18 | 浙江汇锋薄膜科技有限公司 | 一种导电薄膜 |
| CN111725565A (zh) * | 2020-06-24 | 2020-09-29 | 珠海冠宇电池股份有限公司 | 一种电芯结构、制备方法和锂离子电池 |
| CN113471437A (zh) * | 2021-06-18 | 2021-10-01 | 力博特电源科技（广州）有限公司 | 一种提高磷酸铁锂电池密度的方法 |
| WO2022252605A1 (en) * | 2021-05-31 | 2022-12-08 | Medtrum Technologies Inc. | Analyte detection device with circuit board and shell integration |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101286575A (zh) * | 2007-04-12 | 2008-10-15 | 索尼株式会社 | 电池组 |
| CN101794915A (zh) * | 2009-09-29 | 2010-08-04 | 佛山市顺德区精进能源有限公司 | 一种锂离子电池结构及其制备方法 |
| CN102610860A (zh) * | 2012-02-27 | 2012-07-25 | 宁德新能源科技有限公司 | 软包装锂离子电池及其包装方法 |
-
2017
- 2017-01-19 CN CN201710044615.8A patent/CN106684265A/zh active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101286575A (zh) * | 2007-04-12 | 2008-10-15 | 索尼株式会社 | 电池组 |
| CN101794915A (zh) * | 2009-09-29 | 2010-08-04 | 佛山市顺德区精进能源有限公司 | 一种锂离子电池结构及其制备方法 |
| CN102610860A (zh) * | 2012-02-27 | 2012-07-25 | 宁德新能源科技有限公司 | 软包装锂离子电池及其包装方法 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107732036A (zh) * | 2017-10-16 | 2018-02-23 | 深圳鸿恩高科新能源有限公司 | 一种军工设备大流量供电电源 |
| CN108544825A (zh) * | 2018-02-08 | 2018-09-18 | 浙江汇锋薄膜科技有限公司 | 一种导电薄膜 |
| CN111725565A (zh) * | 2020-06-24 | 2020-09-29 | 珠海冠宇电池股份有限公司 | 一种电芯结构、制备方法和锂离子电池 |
| WO2022252605A1 (en) * | 2021-05-31 | 2022-12-08 | Medtrum Technologies Inc. | Analyte detection device with circuit board and shell integration |
| CN113471437A (zh) * | 2021-06-18 | 2021-10-01 | 力博特电源科技（广州）有限公司 | 一种提高磷酸铁锂电池密度的方法 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11664528B2 (en) | Electrode electrochemical device and electronic device | |
| US7378185B2 (en) | Prismatic lithium secondary battery having a porous heat resistant layer | |
| JP5593454B2 (ja) | バッテリセルの製造方法、及びその製造方法で製造されたバッテリセル | |
| US7419743B2 (en) | Cylindrical lithium battery resistant to breakage of the porous heat resistant layer | |
| CN106684265A (zh) | 铝塑膜锂离子电池及其制作方法 | |
| JP2005285385A (ja) | セパレータ及びこのセパレータを用いた非水電解質電池 | |
| CN113261151A (zh) | 一种电化学装置用隔板、电化学装置及电子装置 | |
| JP2006318892A (ja) | 角型リチウム二次電池 | |
| CN101162777A (zh) | 高功率铝塑软包装锂离子电池 | |
| JP2006202680A (ja) | ポリマー電池 | |
| WO2022001235A1 (zh) | 一种电化学装置用隔板、电化学装置及电子装置 | |
| CN114258610A (zh) | 一种电化学装置及电子装置 | |
| CN115461909A (zh) | 一种电化学装置及包含该电化学装置的电子装置 | |
| JPWO2011016243A1 (ja) | 非水電解質二次電池及びその製造方法 | |
| JP4108918B2 (ja) | 薄型二次電池 | |
| KR20190084874A (ko) | 비수전해액 이차전지 | |
| JP2010205420A (ja) | ラミネート電池 | |
| US20220223983A1 (en) | Electrochemical device and electronic device | |
| US20220223982A1 (en) | Electrochemical device and electronic device containing the same | |
| JP3544889B2 (ja) | 密閉型電池 | |
| JPH11102673A (ja) | 薄形二次電池 | |
| US8083812B1 (en) | Solid-electrolyte battery and manufacturing method therefor | |
| JP5334109B2 (ja) | ラミネート形電池 | |
| JP3511966B2 (ja) | 円筒形リチウムイオン電池 | |
| KR20180025555A (ko) | 리튬-황 전지의 제조방법 및 이에 따라 제조된 리튬-황 전지 |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170517 |