JP2021510002A - パウチ型二次電池の製造方法 - Google Patents
パウチ型二次電池の製造方法 Download PDFInfo
- Publication number
- JP2021510002A JP2021510002A JP2020537605A JP2020537605A JP2021510002A JP 2021510002 A JP2021510002 A JP 2021510002A JP 2020537605 A JP2020537605 A JP 2020537605A JP 2020537605 A JP2020537605 A JP 2020537605A JP 2021510002 A JP2021510002 A JP 2021510002A
- Authority
- JP
- Japan
- Prior art keywords
- resin layer
- electrode assembly
- pouch
- secondary battery
- type secondary
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 43
- 229920005989 resin Polymers 0.000 claims abstract description 112
- 239000011347 resin Substances 0.000 claims abstract description 112
- 239000000463 material Substances 0.000 claims abstract description 69
- 238000007789 sealing Methods 0.000 claims abstract description 42
- -1 polypropylene Polymers 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 29
- 230000004888 barrier function Effects 0.000 claims abstract description 27
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 25
- 229910052751 metal Inorganic materials 0.000 claims abstract description 25
- 239000002184 metal Substances 0.000 claims abstract description 25
- 238000000926 separation method Methods 0.000 claims abstract description 18
- 239000004743 Polypropylene Substances 0.000 claims abstract description 15
- 229920001155 polypropylene Polymers 0.000 claims abstract description 15
- 239000004698 Polyethylene Substances 0.000 claims abstract description 13
- 229920000573 polyethylene Polymers 0.000 claims abstract description 13
- 238000000465 moulding Methods 0.000 claims abstract description 6
- 239000010410 layer Substances 0.000 claims description 133
- 238000010894 electron beam technology Methods 0.000 claims description 28
- 230000005855 radiation Effects 0.000 claims description 25
- DAKWPKUUDNSNPN-UHFFFAOYSA-N Trimethylolpropane triacrylate Chemical compound C=CC(=O)OCC(CC)(COC(=O)C=C)COC(=O)C=C DAKWPKUUDNSNPN-UHFFFAOYSA-N 0.000 claims description 22
- 239000000126 substance Substances 0.000 claims description 22
- 150000001875 compounds Chemical class 0.000 claims description 19
- 238000003860 storage Methods 0.000 claims description 13
- 239000012528 membrane Substances 0.000 claims description 12
- 230000004927 fusion Effects 0.000 claims description 7
- 230000001678 irradiating effect Effects 0.000 claims description 6
- 239000002356 single layer Substances 0.000 claims description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 5
- 125000002843 carboxylic acid group Chemical group 0.000 claims description 5
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid group Chemical group C(\C=C/C(=O)O)(=O)O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims description 5
- 235000015110 jellies Nutrition 0.000 claims description 3
- 239000008274 jelly Substances 0.000 claims description 3
- 238000003475 lamination Methods 0.000 claims description 3
- KOMNUTZXSVSERR-UHFFFAOYSA-N 1,3,5-tris(prop-2-enyl)-1,3,5-triazinane-2,4,6-trione Chemical compound C=CCN1C(=O)N(CC=C)C(=O)N(CC=C)C1=O KOMNUTZXSVSERR-UHFFFAOYSA-N 0.000 claims 3
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 claims 2
- 238000010030 laminating Methods 0.000 abstract description 4
- 238000002844 melting Methods 0.000 description 8
- 230000008018 melting Effects 0.000 description 8
- 239000010408 film Substances 0.000 description 7
- 238000010559 graft polymerization reaction Methods 0.000 description 7
- 239000008151 electrolyte solution Substances 0.000 description 6
- 229920000139 polyethylene terephthalate Polymers 0.000 description 6
- 239000005020 polyethylene terephthalate Substances 0.000 description 6
- 238000009413 insulation Methods 0.000 description 5
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 238000007499 fusion processing Methods 0.000 description 4
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012775 heat-sealing material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229920001707 polybutylene terephthalate Polymers 0.000 description 3
- 239000005033 polyvinylidene chloride Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 229920006284 nylon film Polymers 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229920001225 polyester resin Polymers 0.000 description 2
- 239000004645 polyester resin Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000011342 resin composition Substances 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000013022 venting Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 239000012793 heat-sealing layer Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000012766 organic filler Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000003466 welding 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0431—Cells with wound or folded electrodes
-
- 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
- H01M50/126—Primary casings; Jackets or wrappings characterised by the material having a layered structure comprising three or more layers
- H01M50/129—Primary casings; Jackets or wrappings characterised by the material having a layered structure comprising three or more layers with two or more layers of only organic 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
- 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
-
- 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
- B32B15/088—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 polyamides
-
- 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
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/26—Layered products comprising a layer of synthetic resin characterised by the use of special additives using curing agents
-
- 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
- B32B27/302—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising aromatic vinyl (co)polymers, e.g. styrenic (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
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (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
- B32B27/32—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
- B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
-
- 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
- H01M10/04—Construction or manufacture in general
-
- 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
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/105—Pouches or flexible bags
-
- 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
- H01M50/1243—Primary casings; Jackets or wrappings characterised by the material having a layered structure characterised by the internal coating on the casing
-
- 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
- H01M50/14—Primary casings; Jackets or wrappings for protecting against damage caused by external factors
- H01M50/141—Primary casings; Jackets or wrappings for protecting against damage caused by external factors for protecting against humidity
-
- 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
- B32B2250/00—Layers arrangement
- B32B2250/03—3 layers
-
- 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
- B32B2250/00—Layers arrangement
- B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
-
- 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
- B32B2255/00—Coating on the layer surface
- B32B2255/26—Polymeric coating
-
- 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
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/31—Heat sealable
-
- 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
- B32B2307/514—Oriented
-
- 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
- B32B2307/54—Yield strength; Tensile strength
-
- 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
- B32B2307/70—Other properties
- B32B2307/724—Permeability to gases, adsorption
- B32B2307/7242—Non-permeable
- B32B2307/7246—Water vapor barrier
-
- 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
- B32B2307/70—Other properties
- B32B2307/726—Permeability to liquids, absorption
- B32B2307/7265—Non-permeable
-
- 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
- B32B2323/00—Polyalkenes
- B32B2323/04—Polyethylene
-
- 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
- B32B2323/00—Polyalkenes
- B32B2323/10—Polypropylene
-
- 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
- B32B2439/00—Containers; Receptacles
- B32B2439/40—Closed containers
- B32B2439/46—Bags
-
- 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
-
- 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)
- Sealing Battery Cases Or Jackets (AREA)
- Secondary Cells (AREA)
Abstract
Description
ポリプロピレン90重量%、バインダーとしてポリビニリデンフルオリド8重量%、及び架橋剤としてトリメチロールプロパントリアクリレート2重量%を混合して樹脂組成物を製造した。
前記実施例1において、ポリビニリデンフルオリドを5重量%に変更し、前記トリメチロールプロパントリアクリレートを5重量%に変更したことを除き、前記実施例1と同じ条件で外装材を製造した。
前記実施例1において、トリメチロールプロパントリアクリレートを添加せずにポリビニリデンフルオリドを10重量%添加したことを除き、前記実施例1と同じ条件で外装材を製造した。
前記実施例1及び実施例2及び比較例1で製造された外装材を60℃の温度に維持した状態で4kgfの荷重を印加した後、外装材が破断されるまでかかる時間を測定するクリープ(Creep)試験を行った。
20、100 外装材
21、110、210 外部樹脂層
22、120、220 金属バリア層
23、130、230、330、430 内部樹脂層
30 電極組立体
40、50 電極タブ
60、70 電極リード
80 絶縁フィルム
h1 熱圧着前の内部樹脂層の厚さ
h2 熱圧着後の内部樹脂層の厚さ
Claims (13)
- (a)陽極と陰極との間に分離膜を挟んでいる電極組立体を準備する段階と、
(b)ラミネートシートからなる外装材に前記電極組立体の収納部を成形する段階と、
(c)前記電極組立体を前記収納部に収納し、前記外装材を熱融着して電池セルを製造する段階と、を含み、
前記ラミネートシートは、外部樹脂層、金属バリア層及び内部樹脂層を含み、
前記内部樹脂層は、ポリプロピレン又はポリエチレン、及び架橋剤を含む、パウチ型二次電池の製造方法。 - 前記段階(c)の後、(d)電池セルに電子ビーム(E−beam)又は放射線を照射する段階をさらに含む、請求項1又は2に記載のパウチ型二次電池の製造方法。
- 前記外装材を構成する上部ケース及び下部ケースの内部樹脂層は、前記段階(c)の熱融着によってシーリング部を構成し、前記段階(d)の電子ビーム又は放射線の照射によって前記シーリング部がグラフト重合される、請求項3に記載のパウチ型二次電池の製造方法。
- 前記架橋剤は、トリメチロールプロパントリアクリレート(Trimethylolpropane Triacrylate、TMPTA)、トリアリルイソシアヌレート(Triallyl Isocyanurate、TAIC)、トリメタリルイソシアヌレート(Trimethallyl Isocyanurate、TMAIC)からなる群から選択される1種以上からなる、請求項1に記載のパウチ型二次電池の製造方法。
- 前記段階(d)の電子ビーム又は放射線の照射は、前記電池セルのシーリング部に対して行う、請求項3又は4に記載のパウチ型二次電池の製造方法。
- 前記段階(d)の電子ビーム又は放射線の照射は、前記電池セルの全体に対して行う、請求項3又は4に記載のパウチ型二次電池の製造方法。
- 前記ラミネートシートの内部樹脂層は、ポリプロピレン又はポリエチレン、及び前記電子ビーム又は放射線に感応する架橋剤を含む単一層構造である、請求項1に記載のパウチ型二次電池の製造方法。
- 前記ラミネートシートの内部樹脂層は、前記化学式(1)又は(2)で表される化合物を含む単一層構造である、請求項2に記載のパウチ型二次電池の製造方法。
- 前記電極組立体は、スタック型電極組立体、スタック/フォルディング型電極組立体、ラミネーション/スタック型電極組立体及びゼリーロール型電極組立体からなる群から選択される1種以上からなる、請求項1〜9の何れか一項に記載のパウチ型二次電池の製造方法。
- 請求項1〜10の何れか一項に記載の製造方法によって製造された、パウチ型二次電池。
- 陽極と陰極との間に分離膜を挟んでいる電極組立体、及びラミネートシートからなる外装材を含み、
前記ラミネートシートは、外部樹脂層、金属バリア層及び内部樹脂層を含み、
前記内部樹脂層は、ポリプロピレン又はポリエチレン、及び架橋剤を含む、パウチ型二次電池。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2018-0085049 | 2018-07-20 | ||
KR1020180085049A KR102382436B1 (ko) | 2018-07-20 | 2018-07-20 | 파우치형 이차전지의 제조방법 |
PCT/KR2019/008568 WO2020017826A1 (ko) | 2018-07-20 | 2019-07-11 | 파우치형 이차전지의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021510002A true JP2021510002A (ja) | 2021-04-08 |
JP7270889B2 JP7270889B2 (ja) | 2023-05-11 |
Family
ID=69165115
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020537605A Active JP7270889B2 (ja) | 2018-07-20 | 2019-07-11 | パウチ型二次電池の製造方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20210098815A1 (ja) |
EP (1) | EP3739648A4 (ja) |
JP (1) | JP7270889B2 (ja) |
KR (1) | KR102382436B1 (ja) |
CN (1) | CN111758172B (ja) |
WO (1) | WO2020017826A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20220073261A (ko) * | 2020-11-26 | 2022-06-03 | 주식회사 엘지에너지솔루션 | 전지셀 제조 방법 및 파우치 성형 장치 |
KR20230037409A (ko) * | 2021-09-09 | 2023-03-16 | 주식회사 엘지에너지솔루션 | 냉각이 용이한 구조를 갖는 파우치형 전지셀 및 이의 제조방법 |
WO2024123152A1 (ko) * | 2022-12-09 | 2024-06-13 | 주식회사 엘지에너지솔루션 | 파우치 셀 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1186807A (ja) * | 1997-09-16 | 1999-03-30 | Sumitomo Electric Ind Ltd | 非水電解質電池 |
JP2001006633A (ja) * | 1999-06-24 | 2001-01-12 | Nec Corp | 電池の製造方法 |
JP2001319630A (ja) * | 2000-05-10 | 2001-11-16 | Nec Corp | フィルムシール型電池およびその製造方法 |
US20030031926A1 (en) * | 2001-06-13 | 2003-02-13 | Polystor Corporation | Tab surface treatments for polymer-metal laminate electrochemical cell packages |
KR20140132528A (ko) * | 2013-05-08 | 2014-11-18 | 주식회사 엘지화학 | 이차전지용 파우치 외장재 및 이를 이용한 파우치형 이차전지의 제조 방법 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002216718A (ja) * | 2001-01-18 | 2002-08-02 | Dainippon Printing Co Ltd | リチウム電池のタブ部に用いる接着性フィルム |
KR100796855B1 (ko) * | 2003-08-08 | 2008-01-22 | 닛본 덴끼 가부시끼가이샤 | 필름 외장 전지 및 그 제조 방법 |
JP4609707B2 (ja) * | 2005-03-14 | 2011-01-12 | ソニー株式会社 | 電池 |
KR101036245B1 (ko) | 2007-03-09 | 2011-05-20 | 주식회사 엘지화학 | 실링부가 uv 경화성 물질로 코팅되어 있는 파우치형전지의 제조방법 |
KR101143302B1 (ko) | 2009-03-03 | 2012-05-08 | 주식회사 엘지화학 | 전지케이스용 라미네이트 시트 및 이를 이용한 리튬 이차전지 |
KR101179034B1 (ko) | 2009-06-17 | 2012-09-03 | 주식회사 엘지화학 | 밀봉성이 우수한 이차전지 및 이차전지 제조방법 |
JP5644383B2 (ja) * | 2010-11-05 | 2014-12-24 | 住友電気工業株式会社 | 非水電解質デバイス用のリード部材、及びその製造方法 |
CA2824982C (en) | 2011-01-24 | 2016-08-09 | Otsuka Pharmaceutical Co., Ltd. | Medical device containing a cake composition comprising aripiprazole as an active ingredient, and a cake composition comprising aripiprazole as an active ingredient |
WO2013105763A1 (ko) * | 2012-01-09 | 2013-07-18 | 주식회사 희성화학 | 이차전지용 알루미늄 파우치 필름, 이를 포함하는 포장재, 이를 포함하는 이차전지 및 이차전지용 알루미늄 파우치 필름의 제조방법 |
JP2014195110A (ja) * | 2014-05-26 | 2014-10-09 | Prime Polymer Co Ltd | フィルムコンデンサ用ポリプロピレンフィルムの製造方法 |
KR101852653B1 (ko) * | 2014-10-02 | 2018-04-26 | 주식회사 엘지화학 | 이차전지용 파우치 외장재 및 이를 포함하는 파우치형 이차전지 |
JP6802992B2 (ja) * | 2015-07-28 | 2020-12-23 | 大日本印刷株式会社 | ポリエチレンフィルムおよびそれを用いた包装体 |
JPWO2017038374A1 (ja) * | 2015-08-28 | 2018-02-15 | 三井化学東セロ株式会社 | 電子線架橋性エチレン系樹脂組成物、電子線架橋体、電子線架橋体の製造方法および積層体 |
JP6690393B2 (ja) * | 2016-05-02 | 2020-04-28 | 凸版印刷株式会社 | 蓄電装置用外装材及びその製造方法 |
CN114891453B (zh) * | 2017-04-05 | 2024-04-12 | 大日本印刷株式会社 | 粘接性保护膜、电池及其制造方法 |
-
2018
- 2018-07-20 KR KR1020180085049A patent/KR102382436B1/ko active IP Right Grant
-
2019
- 2019-07-11 US US17/050,163 patent/US20210098815A1/en active Pending
- 2019-07-11 CN CN201980014906.XA patent/CN111758172B/zh active Active
- 2019-07-11 EP EP19837484.5A patent/EP3739648A4/en active Pending
- 2019-07-11 JP JP2020537605A patent/JP7270889B2/ja active Active
- 2019-07-11 WO PCT/KR2019/008568 patent/WO2020017826A1/ko unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1186807A (ja) * | 1997-09-16 | 1999-03-30 | Sumitomo Electric Ind Ltd | 非水電解質電池 |
JP2001006633A (ja) * | 1999-06-24 | 2001-01-12 | Nec Corp | 電池の製造方法 |
JP2001319630A (ja) * | 2000-05-10 | 2001-11-16 | Nec Corp | フィルムシール型電池およびその製造方法 |
US20030031926A1 (en) * | 2001-06-13 | 2003-02-13 | Polystor Corporation | Tab surface treatments for polymer-metal laminate electrochemical cell packages |
KR20140132528A (ko) * | 2013-05-08 | 2014-11-18 | 주식회사 엘지화학 | 이차전지용 파우치 외장재 및 이를 이용한 파우치형 이차전지의 제조 방법 |
Also Published As
Publication number | Publication date |
---|---|
US20210098815A1 (en) | 2021-04-01 |
EP3739648A4 (en) | 2021-05-26 |
KR102382436B1 (ko) | 2022-04-04 |
CN111758172B (zh) | 2022-11-25 |
JP7270889B2 (ja) | 2023-05-11 |
KR20200009946A (ko) | 2020-01-30 |
WO2020017826A1 (ko) | 2020-01-23 |
EP3739648A1 (en) | 2020-11-18 |
CN111758172A (zh) | 2020-10-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR101216422B1 (ko) | 실링부의 절연성이 향상된 이차전지 | |
JP7270889B2 (ja) | パウチ型二次電池の製造方法 | |
JP4828458B2 (ja) | シーリング部の安全性が向上した二次電池 | |
JP3452172B2 (ja) | 扁平形電池 | |
JP6179039B2 (ja) | パウチ型二次電池及びこの製造方法 | |
KR101229228B1 (ko) | 수분 차단성이 향상된 이차전지 | |
CN114175370A (zh) | 附接有通气部的袋形电池单元及其制造方法 | |
KR20100126226A (ko) | 내수성 파우치형 이차전지 | |
JP2009087628A (ja) | 扁平型電気化学セル金属端子部密封用接着性シート | |
US20210143503A1 (en) | Pouch Case and the Method of Manufacturing the Pouch Type Secondary Battery Including the Same | |
KR101306190B1 (ko) | 절연성이 향상된 이차전지 | |
JP2024026624A (ja) | パウチフィルム積層体、パウチ型電池ケースおよびパウチ型二次電池 | |
JP2009043442A (ja) | ラミネート電池の製造方法 | |
CN111095594A (zh) | 袋状壳体与包括袋状壳体的二次电池 | |
KR101240568B1 (ko) | 고내열 절연필름 및 그 제조방법 | |
JP2008166130A (ja) | 扁平型電気化学セル | |
KR20170058047A (ko) | 일회용 가스 포집부를 포함하고 있는 파우치형 전지케이스 및 이를 포함하는 이차전지의 제조방법 | |
JP2021517710A (ja) | 二次電池用パウチ及びパウチ型二次電池 | |
US20230344043A1 (en) | Battery Cell and Battery Module Including the Same | |
KR101546002B1 (ko) | 전기화학 에너지 저장 장치 | |
TW201222601A (en) | Laminated-exterior electricity-storage device and manufacturing method therefor | |
KR20170117674A (ko) | 실링용 박막층이 코팅된 전극 리드를 포함하고 있는 전지셀 | |
KR102048252B1 (ko) | 리드 실런트 필름 및 이를 이용한 이차 전지 | |
KR20200074358A (ko) | 리드 실런트 필름 및 이를 이용한 이차 전지 | |
CN116802893A (zh) | 具有优异的绝缘和散热特性的软包型二次电池 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20200707 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20210714 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20210816 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20211116 |
|
A711 | Notification of change in applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A712 Effective date: 20211222 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20220307 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20220607 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20220726 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20221212 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230224 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20230327 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20230405 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7270889 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |