The present invention realizes an inexpensive packaging material having an opening detection function by simplifying the configuration of an opening detection sheet. The present invention includes: a metal foil layer; a first resin layer having an insulation property; and a second resin layer stacked on at least a part of the first resin layer, wherein a circuit pattern is printed on the first resin layer with use of conductive ink containing carbon nanotubes.
B41M 3/00 - Printing processes to produce particular kinds of printed work, e.g. patterns
B41M 7/00 - After-treatment of printed works, e.g. heating, irradiating
B65D 75/36 - Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents one sheet or blank being recessed and the other formed of relatively stiff flat sheet material, e.g. blister packages
C09D 11/037 - Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
C09D 11/106 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
H05K 3/12 - Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using printing techniques to apply the conductive material
An opening detection sheet to be attached to a packaging material including storing portions includes a base layer, a circuit pattern disposed on the base layer and including wiring routes. Each of the wiring routes is provided for each of the storing portions. A first terminal is at one end of each of the wiring routes and to be connected to an external device and the first terminal is at a same position on some of the wiring routes.
B65D 75/58 - Opening or contents-removing devices added or incorporated during package manufacture
B32B 3/26 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layerLayered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a layer with cavities or internal voids
B32B 7/06 - Interconnection of layers permitting easy separation
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B65D 75/26 - Articles or materials wholly enclosed in laminated sheets or wrapper blanks
B65D 75/36 - Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents one sheet or blank being recessed and the other formed of relatively stiff flat sheet material, e.g. blister packages
H05K 1/11 - Printed elements for providing electric connections to or between printed circuits
An opening detection device includes a casing that is to be attached to a packaging material whose electric characteristics change when the packaging material is opened, and a detection section detecting opening of the packaging material based on change of the electric characteristics. The casing includes a holding structure with which the packaging material is detachably held.
G01V 3/02 - Electric or magnetic prospecting or detectingMeasuring magnetic field characteristics of the earth, e.g. declination or deviation operating with propagation of electric current
A61J 1/03 - Containers specially adapted for medical or pharmaceutical purposes for pills or tablets
A lid material 30 for sealing a storage part 21 of a storage container 20 includes: a base material layer 35; a circuit pattern 32 provided on the base material layer 35 and having a wiring route that is broken when the storage part is opened; a resin layer 37 covering the circuit pattern 32 from the side opposite to the base material layer; and a layer 31 for heat adhesion with the storage container 20. The wiring route is provided with a terminal part connected to an external device 40 for detecting breakage. The resin layer 37 is divided into a first area 37A1 covering the terminal part and a second area 37A2 covering the part other than the terminal part. The thickness T2 of the second area 37A2 of the resin layer 37 is larger than the thickness T1 of the first area.
B65D 83/04 - Containers or packages with special means for dispensing contents for dispensing annular, disc-shaped, spherical or like small articles, e.g. tablets or pills
B65D 77/34 - Tearing-strings or like flexible elements enclosed in a mouth seal
An opening detection sheet to be attached to a packaging material includes a metal layer, an IC, an insulating layer, and a first adhesive layer. The metal layer is releasable from the packaging material and includes a slit. The IC is mounted on the metal layer so as to cover at least a portion of the slit and for communicating with an external device. The insulating layer is disposed on an opposite side from the IC with respect to the metal layer. The first adhesive layer is bonded to the insulating layer on an opposite side from the metal layer so as to be bonded to the packaging material.
A sheet including a pre-storing portion to be a storing portion and a wiring pattern disposed on the sheet are included. The wiring pattern is disposed such that ends of the wiring pattern are disposed on one side along one direction and the wiring pattern is disposed along peripheral edges of the pre-storing portion so as to be along peripheral edges of the storing portion on three sides other than the one side when the storing portion is formed. The sheet is transparent or semitransparent and includes a pre-sealing portion around the pre-storing portion. The wiring pattern is disposed at peripheral edges of the pre-storing portion on the three sides and disposed on the pre-sealing portion.
B65D 75/20 - Articles or materials wholly enclosed in single sheets or wrapper blanks in sheets or blanks doubled around contents and having their opposed free margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding
B65D 33/34 - End- or aperture-closing arrangements or devices with special means for indicating unauthorised opening
B65D 75/58 - Opening or contents-removing devices added or incorporated during package manufacture
A61J 1/03 - Containers specially adapted for medical or pharmaceutical purposes for pills or tablets
An unpacking detector 40 comprises a housing 50 which is attached to a packaging medium 20 the electrical characteristic of which changes when unpacked, and a detection unit 44 for detecting the unpacking of the packaging medium 20 on the basis of a change of the electrical characteristic. The housing 50 includes sandwiching structures 51, 52 that removably sandwich and hold the packaging medium.
G06K 7/06 - Methods or arrangements for sensing record carriers by means which conduct current when a mark is sensed or absent, e.g. contact brush for a conductive mark
A61J 1/03 - Containers specially adapted for medical or pharmaceutical purposes for pills or tablets
A61J 7/04 - Arrangements for time indication or reminder for taking medicine, e.g. programmed dispensers
B65D 77/20 - Container closures formed after filling by applying separate lids or covers
G06K 19/077 - Constructional details, e.g. mounting of circuits in the carrier
8.
UNSEALING MANAGEMENT SYSTEM AND UNSEALING DETECTOR
This unsealing management system 10 comprises: a communication unit 61 which is capable of communicating with an unsealing detector 40 that is attached to a packing material 20 and that detects an unsealed state of the packing material 20; and an information generation unit 62 which generates setting information for causing the unsealing detector 40 to perform a prescribed process in relation to detection of unsealing.
The present invention pertains to an unsealing detection sheet (30) that is pasted to a packing material (20) having a plurality of housing parts (22), and the unsealing detection sheet (30) comprises a base material layer (31) and a circuit pattern (32) which is disposed on the base material layer (31) and which has a plurality of wiring routes (32A)-(32J). The wiring routes (32A)-(32J) are disposed in the respective housing parts (22). The respective one end sides of the wiring routes (32A)-(32J) are provided with first terminal parts (32Z1) that are connected to an external device. The first terminal parts (32Z1) are disposed at the same position in the different wiring routes (32A)-(32J).
B65D 75/54 - Cards, coupons or other inserts or accessories
A61J 1/03 - Containers specially adapted for medical or pharmaceutical purposes for pills or tablets
A61J 7/00 - Devices for administering medicines orally, e.g. spoonsPill counting devicesArrangements for time indication or reminder for taking medicine
B65D 65/40 - Applications of laminates for particular packaging purposes
B65D 77/20 - Container closures formed after filling by applying separate lids or covers
B65D 83/04 - Containers or packages with special means for dispensing contents for dispensing annular, disc-shaped, spherical or like small articles, e.g. tablets or pills
G01R 31/50 - Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
A gravure printing plate capable of printing straight image lines with high accuracy. The gravure printing plate is a gravure printing plate for printing an image line including a straight image line constituted by a first contour line and a second contour line. The gravure printing plate includes a cell group including a reference cell for printing the first contour line, and image line composition cells present in a projection portion in which the reference cell is projected up to the second contour line in a direction orthogonal to the first contour line. The dimension of each cell of the reference cell and the image line composition cells in the same cell group in an extension direction of the first contour line is within ±5% of an arithmetic average value of the reference cell and the image line composition cells in the same cell group.
B41N 1/06 - Printing plates or foilsMaterials therefor metallic for relief printing or intaglio printing
B41F 13/187 - Impression cylinders for rotogravure
H05K 3/12 - Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using printing techniques to apply the conductive material
Provided is an unsealing detection sheet 30A affixed to a packaging member 10, the unsealing detection sheet 30A comprising: a metal layer 32 that is provided so as to be removable from the packaging member 10 and that has a slit; an IC 40 for communicating with an external device, the IC 40 being realized so as to cover at least part of the slit 33 in the metal layer 32; an insulation layer 36 arranged on the side of the metal layer 32 opposite from the IC 40 side; and a first adhesive layer 38 that is bonded to the side of the insulation layer 36 opposite from the metal-layer 32 side and that is provided so as to be capable of bonding to the packaging member 10.
G06K 19/077 - Constructional details, e.g. mounting of circuits in the carrier
B65D 83/04 - Containers or packages with special means for dispensing contents for dispensing annular, disc-shaped, spherical or like small articles, e.g. tablets or pills
A protective sheet 30A attached to a press-through package 10 which has a sheet-like container 13 equipped with a plurality of storage sections 12 and also has a lid 14 for sealing the plurality of storage sections 12, said protective sheet being equipped with: a resin layer 36 which can be peeled away from the press-through package 10 and has a plurality of slits 37 therein which enable peeling and are provided for each of the storage sections 12; and a first adhesive layer 38 which is adhered to the resin layer 36 and has a surface located on the side thereof opposite the resin layer 36 which can be adhered to the lid 14.
B65D 83/04 - Containers or packages with special means for dispensing contents for dispensing annular, disc-shaped, spherical or like small articles, e.g. tablets or pills
The present invention comprises: a sheet 20 on which an accommodation target part 21 for constituting an accommodation part 42 is provided; and a wiring pattern 30 provided on the sheet 20. The wiring pattern 30 is provided along peripheral edges of the accommodation target part 21 such that a terminal of the wiring pattern 30 is disposed on one side along one direction, and the wiring pattern 30 is arranged along the other three peripheral edges of the accommodation part 42 except the peripheral edge on said one side when the accommodation part 42 is constituted. It is preferable that the sheet 20 be transparent or semi-transparent, an adhesion target part 24 be provided around the accommodation target part 21, and the wiring pattern 30 be arranged on the adhesion target part 24 and on the three peripheral edges of the accommodation target part 21.
A61J 1/03 - Containers specially adapted for medical or pharmaceutical purposes for pills or tablets
A61J 7/00 - Devices for administering medicines orally, e.g. spoonsPill counting devicesArrangements for time indication or reminder for taking medicine
B65D 77/20 - Container closures formed after filling by applying separate lids or covers
14.
OPENING DETECTION SHEET, PACKAGING MATERIAL, OPENING DETECTION DEVICE, RECORDING MEDIUM, AND METHOD FOR PRODUCING OPENING DETECTION SHEET
The present invention realizes an inexpensive packaging material having an opening detection function by simplifying the configuration of an opening detection sheet. The present invention includes: a metal foil layer (12); a first resin layer (13) having an insulation property; and a second resin layer (15) stacked on at least a part of the first resin layer (13), wherein a circuit pattern (14) is printed on the first resin layer (13) with use of conductive ink containing carbon nanotubes.
B65D 75/32 - Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents
This antimicrobial sheet comprises a resin film and a copper membrane that is formed on at least one surface of the resin film. The copper membrane includes copper oxide and unoxidized copper. The amount of unoxidized copper in the copper membrane is less than the amount of copper that forms the copper oxide and is no more than 0.04 g/m2
B32B 15/08 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
B32B 15/20 - Layered products essentially comprising metal comprising aluminium or copper
The present invention provides a gravure printing plate capable of printing a linear image part with high accuracy. The gravure printing plate according to the present invention prints an image part including a linear image part constituted by a first contour line and a second contour line, the gravure printing plate comprising a cell group including a reference cell that prints the first contour line and an image-constituting cell existing in a projection portion at which the reference cell is projected to the second contour line in a direction orthogonal to the first contour line. In each cell of the reference cell and the image-constituting cell in the same cell group, the dimension in an extension direction of the first contour line falls within ±5% of an arithmetic average value of the reference cell and the image-constituting cell in the same cell group. In each cell of the reference cell and the image-constituting cell in the same cell group, the dimension in the direction orthogonal to the extension direction of the first contour line falls within ±5% of an arithmetic average value of the reference cell and the image-constituting cell constituting the same cell group.
B41N 1/06 - Printing plates or foilsMaterials therefor metallic for relief printing or intaglio printing
H05K 3/12 - Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using printing techniques to apply the conductive material
17.
OPENING DETECTION SHEET, WRAPPING MATERIAL, OPENING DETECTION DEVICE, CONTROL PROGRAM, AND METHOD FOR MANUFACTURING OPENING DETECTION SHEET
The present invention realizes an inexpensive wrapping material having opening detection functionality by simplifying the configuration of an opening detection sheet. The present invention comprises: a metal foil layer (12); a first resin layer (13) having insulating properties; and a second resin layer (15) stacked on at least a portion of the first resin layer, wherein a circuit pattern (14) is printed on the first resin layer (13) by using conductive ink containing carbon nanotubes.
B65D 65/40 - Applications of laminates for particular packaging purposes
B65D 75/34 - Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents and having several recesses to accommodate a series of articles or quantities of material
B65D 77/20 - Container closures formed after filling by applying separate lids or covers
C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
H01G 11/68 - Current collectors characterised by their material
H01G 11/28 - Electrodes characterised by their structure, e.g. multi-layered, porosity or surface features arranged or disposed on a current collectorLayers or phases between electrodes and current collectors, e.g. adhesives
H01G 11/84 - Processes for the manufacture of hybrid or EDL capacitors, or components thereof
B21B 1/28 - Metal rolling methods or mills for making semi-finished products of solid or profiled cross-sectionSequence of operations in milling trainsLayout of rolling-mill plant, e.g. grouping of standsSuccession of passes or of sectional pass alternations for rolling bands or sheets of indefinite length in a continuous process by cold-rolling
B21B 1/40 - Metal rolling methods or mills for making semi-finished products of solid or profiled cross-sectionSequence of operations in milling trainsLayout of rolling-mill plant, e.g. grouping of standsSuccession of passes or of sectional pass alternations for rolling foils which present special problems, e.g. because of thinness
B21B 1/46 - Metal rolling methods or mills for making semi-finished products of solid or profiled cross-sectionSequence of operations in milling trainsLayout of rolling-mill plant, e.g. grouping of standsSuccession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting
B22D 11/00 - Continuous casting of metals, i.e. casting in indefinite lengths
H01B 5/02 - Single bars, rods, wires or stripsBus-bars
H01G 11/50 - Electrodes characterised by their material specially adapted for lithium-ion capacitors, e.g. for lithium-doping or for intercalation
H01M 4/46 - Alloys based on magnesium or aluminium
B21B 1/22 - Metal rolling methods or mills for making semi-finished products of solid or profiled cross-sectionSequence of operations in milling trainsLayout of rolling-mill plant, e.g. grouping of standsSuccession of passes or of sectional pass alternations for rolling bands or sheets of indefinite length
20.
LAMINATE FOR BLISTER PACK AND BLISTER PACK USING SAME
The purpose of the present invention is to provide a laminate that is for a blister pack, that does not generate molding defects even when molding a pocket to a fixed depth, and that offers sufficient moldability. This laminate for a blister pack comprises a substrate layer, an aluminum layer, a moisture absorption layer, and a molding aid layer in this order. The surface of the molding aid layer that is on the opposite side from the moisture absorption layer has a static coefficient of friction of less than 0.36 with respect to ultra-high-molecular-weight polyethylene when measured in accordance with ISO 8295. In addition, the molding aid layer is a film or a sheet in which the force required to stretch said film or sheet by 50% is less than 160.7 MPa in both the MD direction and the TD direction when a tension test is performed in accordance with JIS K7127.
B65D 75/34 - Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents and having several recesses to accommodate a series of articles or quantities of material
A61J 1/03 - Containers specially adapted for medical or pharmaceutical purposes for pills or tablets
B32B 15/08 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
B65D 65/40 - Applications of laminates for particular packaging purposes
B65D 81/26 - Adaptations for preventing deterioration or decay of contentsApplications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, fluids, e.g. exuded by contentsApplications of corrosion inhibitors or desiccators
B65D 83/04 - Containers or packages with special means for dispensing contents for dispensing annular, disc-shaped, spherical or like small articles, e.g. tablets or pills
21.
Aluminum alloy foil for electrode charge collector, and method for producing same
An object of the present invention is to provide an aluminum alloy foil for electrode current collectors having superior rolling properties, high conductivity, and high strength after the drying step following the application of the active material. According to the present invention, an aluminum alloy foil for electrode current collector, including 0.03 to 0.1% of Fe, 0.005 to 0.02% of Ti, 0 to 0.1% of Si, 0 to 0.01% of Cu, 99.85% or more of Al, with the rest being unavoidable impurities, wherein tensile strength of the aluminum alloy foil is 175 MPa or higher, and electrical conductivity of the aluminum alloy foil is 60% IACS or higher, is provided.
C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
H01G 11/68 - Current collectors characterised by their material
C22C 21/02 - Alloys based on aluminium with silicon as the next major constituent
C22F 1/043 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with silicon as the next major constituent
The present invention provides an aluminum alloy foil, capable of going under thin rolling during its manufacture. The aluminum alloy foil shall also avoid cuts during the active material paste coating process and wrinkles during the press working process, and have suitable strength for the series of manufacturing processes from the manufacture of the aluminum alloy foil to the manufacture of the electrode material. Further, the present invention provides an aluminum alloy foil for electrode current collector, including 0.50 to 1.50 mass % (hereinafter mass % is referred to as %) of Mn, 0.05 to 0.50% of Cu, 0.20 to 1.00% of Fe, 0.01 to 0.60% of Si, with the rest consisting of Al and unavoidable impurities, a manufacturing method thereof, and an electrode material. Here, regarding the aluminum alloy foil, a solid solution amount of Mn is 1500 ppm or more, a solid solution amount of Cu is 40 ppm or more, and a tensile strength after a final cold rolling (T1) is 260 MPa or higher and 350 MPa or lower.
C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
The present invention provides an aluminum alloy foil for electrode current collector, high in strength and superior in heat resistance after the active material coating/drying process of the manufacture of the battery, a manufacturing method thereof, and a lithium ion secondary battery. According to the present invention, an aluminum alloy foil for electrode current collector, including 0.1 to 0.5 mass % (hereinafter mass % is referred to as %) of Fe, 0.01 to 0.5% of Si, 0.01 to 0.2% of Cu, 0.01 to 0.5% of Mn, with the rest being Al and unavoidable impurities, wherein tensile strength of an aluminum alloy foil and a heat treatment selected from 24 hours at 100° C., 3 hours at 150° C., and 15 minutes at 200° C., is 210 MPa or higher, a manufacturing method thereof, and a lithium ion secondary battery are provided.
C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
C22F 1/043 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with silicon as the next major constituent
C22F 1/057 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with copper as the next major constituent
Provided is an aluminum alloy foil for an electrode current collector, which has high conductivity, also has high strength before and after a drying process, and can be produced at low cost. Provided is an aluminum alloy foil for an electrode current collector, which comprises 1.0 to 2.0 mass% (simply expressed as "%", hereinbelow) of Fe, 0.01 to 0.2% of Si, 0.0001 to 0.2% of Cu, 0.005 to 0.3% of Ti, and a remainder made up by Al and unavoidable impurities, wherein the amount of a solid solution of Fe is 300 ppm or more, and an intermetallic compound having an equivalent circle diameter of 0.1 to 1.0 μm exists in an amount of 1.0 × 105 particles/mm2 or more.
B21B 3/00 - Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences
C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
H01G 11/68 - Current collectors characterised by their material
Provided are: a collector which has little deformation in the appearance after pressing and achieves a low resistance and excellent durability; an electrode structure which uses this collector; a nonaqueous electrolyte battery; and an electricity storage component. Provided is a collector which comprises a conductive resin layer on at least one surface of an aluminum foil. The conductive resin layer contains a resin layer and conductive particles; the aluminum foil has a tensile strength of 180 MPa or more; the surface of the conductive resin layer of the collector has an indentation hardness of 600 MPa or less; and the area occupancy of the conductive particles in the surface of the conductive resin layer is 45% or more.
H01M 4/02 - Electrodes composed of, or comprising, active material
H01M 4/136 - Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
Provided is a highly safe collector which is capable of achieving a good balance between excellent conductivity at normal temperature and excellent shutdown function at high temperatures. Provided is a collector which is provided with a conductive base and a resin layer that is arranged on at least one surface of the conductive base. The resin layer is formed from a paste that contains aggregates of polyolefin-based emulsion particles and a conductive material. The aggregates have an average particle diameter of 0.5-5 μm.
C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
B22D 11/06 - Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
B22D 11/12 - Accessories for subsequent treating or working cast stock in situ
B22D 25/04 - Casting metal electric battery plates or the like
H01B 1/02 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of metals or alloys
28.
Aluminum alloy foil for electrode collectors and production method therefor
An object of the present invention is to provide an aluminum alloy foil for an electrode current collector, the foil having a high strength after the drying step while keeping a high electrical conductivity. Disclosed is a method for manufacturing an aluminum alloy foil for electrode current collector, including: maintaining an aluminum alloy ingot comprising 0.1 to 0.5% of Fe, 0.01 to 0.3% of Si, 0.01 to 0.2% of Cu, 0.01% or less of Mn, with the rest being Al and unavoidable impurities, at 550 to 620° C. for 1 to 20 hours, and subjecting the resulting ingot under a hot rolling with a starting temperature of 500° C. or higher and an end-point temperature of 255 to 300° C.
B21B 1/40 - Metal rolling methods or mills for making semi-finished products of solid or profiled cross-sectionSequence of operations in milling trainsLayout of rolling-mill plant, e.g. grouping of standsSuccession of passes or of sectional pass alternations for rolling foils which present special problems, e.g. because of thinness
C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
B22D 11/06 - Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
B22D 11/12 - Accessories for subsequent treating or working cast stock in situ
B22D 25/04 - Casting metal electric battery plates or the like
C22F 1/00 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
B23K 35/28 - Selection of soldering or welding materials proper with the principal constituent melting at less than 950°C
B23K 35/02 - Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
H01G 11/68 - Current collectors characterised by their material
An object of the present invention is to provide an aluminum alloy foil for an electrode current collector, the foil having a high strength after the drying step while keeping a high electrical conductivity. Disclosed is a method for manufacturing an aluminum alloy foil for electrode current collector, including: maintaining an aluminum alloy ingot comprising 0.03 to 0.1% of Fe, 0.01 to 0.1% of Si, 0.0001 to 0.01% of Cu, 0.005% or less of Mn, with the rest being Al and unavoidable impurities, at 550 to 620° C. for 1 to 20 hours, and subjecting the resulting ingot under a hot rolling with a starting temperature of 500° C. or higher and an end-point temperature of 255 to 300° C.
C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
B23K 35/02 - Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
B21B 1/02 - Metal rolling methods or mills for making semi-finished products of solid or profiled cross-sectionSequence of operations in milling trainsLayout of rolling-mill plant, e.g. grouping of standsSuccession of passes or of sectional pass alternations for rolling heavy work, e.g. ingots, slabs, billets, in which the cross-sectional form is unimportant
H01G 11/68 - Current collectors characterised by their material
Provided are: a highly safe collector which is capable of stably maintaining a PTC function even in cases where the temperature is further increased after the exhibition of the PTC function if used in an electrode structure of an electricity storage component such as a nonaqueous electrolyte battery, an electric double layer capacitor or a lithium ion capacitor; an electrode structure; an electricity storage component; and a composition for collectors. Provided is a collector (100) which is provided with a conductive base (103) and a resin layer (105) that is provided on at least one surface of the conductive base (103). The resin layer (105) is obtained by applying a paste, which contains polyolefin emulsion particles (125), a conductive material (121) and a crosslinking agent (131), onto the conductive base (103) and crosslinking the paste thereon. The polyolefin emulsion particles (125) contain a polyolefin resin (129) that is modified with a carboxylic acid or a carboxylic acid anhydride at both ends.
H01C 7/02 - Non-adjustable resistors formed as one or more layers or coatingsNon-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having positive temperature coefficient
H01G 11/68 - Current collectors characterised by their material
H01M 4/13 - Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulatorsProcesses of manufacture thereof
31.
COLLECTOR, ELECTRODE STRUCTURE BODY, AND ELECTRICAL STORAGE COMPONENT
Provided are a collector, an electrode structure body, an electrical storage component and a collector composition that, when used in an electrode structure body of an electrical storage component such as a nonaqueous electrolyte cell, an electrical double-layer capacitor, or a lithium-ion capacitor, are capable of both improving cell performance by reducing initial (room temperature) interface resistance while also improving safety by means of a PTC function,. Provided is a collector (100) provided with a conductive base material (103) and a resin layer (105) provided on at least one side of the conductive base material (103). The resin layer comprises a paste containing polyolefin emulsion particles (125) and a conductive material (121) applied on the conductive base material (103). The weight of the paste is 0.1-20 g/m2. The porosity of the resin layer (105) is no more than 10% (v/v).
Provided is a collector achieving an adequate safety function during cell deformation due to external pressure, or internal pressure increase, and an electrode, a secondary cell, or a capacitor using said collector. Provided is a collector provided with a metal foil and a conductive layer formed on the surface of the metal foil. The collector is characterized by being sandwiched between brass electrodes having a diameter of 1 cm, and in that on a temperature-resistance curve for the collector at which a load of 15N is applied between the electrodes and temperature increases from room temperature at a rate of 10°C/minute, at a temperature higher than a temperature at which a resistance R(T) at temperature T and a resistance R(T-5) at a temperature T-5°C initially fulfill the condition (R(T)/R(T-5))> 2.0, if a temperature initially fulfilling the condition (R(T)/R(T-5))< 2.0 is defined as Ta, then the resistance R(Ta+5) at Ta+5°C and the resistance R(Ta-5) at Ta-5°C fulfill the condition R(Ta+5)/R(Ta-5)≥1.
Provided is a collector which has a conductive layer that has excellent adhesion and stably exhibits PTC performance which contributes to the safety if used in an electrode structure of a nonaqueous electrolyte battery or an electricity storage component. The present invention provides a collector which is provided with a metal foil and a conductive layer that is formed on a part or the whole of at least one surface of the metal foil. In this connection, the conductive layer contains core-shell particles, each of which comprises a core particle (114) that is mainly formed of an insulating crystalline polymer and a conductive shell layer (116) that is formed on the surface of the core particle (114).
Provided is a current collector with which high-speed charging and discharging, lifespan improvement, safety, and productivity are excellent, and PTC function can be realized with certainty and safety can be maintained if the current collector is used in the electrode structure of an electricity storage component such as a nonaqueous electrolyte cell, electric two-layer capacitor, or lithium ion capacitor. The present invention provides a current collector (1) comprising a substrate (3) and a conductive resin layer (5) formed on at least one side of the substrate (3). This current collector (1) has the following properties: (1) the degree of swelling of the resin layer (5) caused by a nonaqueous electrolyte is 1%-1,000% at the temperature at which PTC is realized; and (2) the temperature at which PTC is realized is from 65 to 200ºC.
ALUMINUM ALLOY FOIL WITH EXCELLENT FORMABILITY AFTER LAMINATING, PROCESS FOR PRODUCING SAME, AND LAMINATED FOIL OBTAINED USING SAID ALUMINUM ALLOY FOIL
Provided is an aluminum alloy foil which can have most satisfactory formability in the state of having been processed, in particular, into a laminated foil. The aluminum alloy foil is characterized by containing 0.6-1.6% Fe and 0.02-0.2% Si, containing 0.01-0.1% Ti and/or 0.01-0.05% B, and having Mn, Mg, Cu, and Zn contents reduced to 0.1% or less, 0.1% or less, 0.1% or less, and 0.25% or less, respectively, with the remainder comprising Al and unavoidable impurities, and by containing an Al-Fe intermetallic compound with a grain diameter of 1.0 µm or larger at a population density of 50,000 grains/mm2 or less. The aluminum alloy foil is further characterized in that in a crystal orientation analysis by means of EBSP, when boundaries each having a difference in orientation of 5º or more are defined as crystal grain boundaries, the crystal grains surrounded by the crystal grain boundaries have an average crystal grain diameter D of 12 µm or smaller and the areal proportion of crystal grains with a crystal grain diameter exceeding 20 µm is 30% or less, and that the aluminum alloy foil has a value of (E-26.5)/C of 3.8 or less, where E [nΩm] is the electrical resistance at 20ºC and C [mass%] is the Fe content.
C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
C22F 1/00 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
36.
CURRENT COLLECTOR FOIL, ELECTRODE STRUCTURE, LITHIUM SECONDARY CELL, OR ELECTRIC DOUBLE-LAYER CAPACITOR
Provided is a current collector foil yielding excellent high rate performance, and an electrode structure, a lithium secondary cell, or an electric double-layer capacitor that uses the current collector foil. A current collector foil for providing an active material layer including active-material particles, wherein a roughened section is provided on the current collector foil, and the box counting dimension of a profile curve of the roughened section is at least 1.1, the average undulation motif length (AW) of the profile curve of the roughened section is more than twice as long as the D10 particle diameter in the particle diameter cumulative distribution of the active material particles used in the active material layer formed on the current collector foil.
Provided is a collector having a PTC layer having leeway for thermal expansion during an increase in temperature while ensuring sufficient electroconductivity at regular temperatures. According to the present invention, there is provided a collector comprising an electroconductive substrate and a resin layer provided to at least one surface of the electroconductive substrate. The resin layer includes an organic resin and electroconductive particles. The amount of resin layer adhering on the electroconductive substrate is 0.5 to 20 g/m2. The Rz (ten-point average roughness) of the surface of the resin layer is 0.4 to 10 μm. The Sm (average interval between concavities and convexities) of the surface of the resin layer is 5 to 200 μm. The average of the resistance of the resin layer, measured by the two-terminal method, is 0.5 to 50 Ω.
Provided is a current collector that has exceptional high-rate properties and demonstrates an adequate safety function in secondary cell or capacitor applications; and an electrode, a secondary cell, or a capacitor in which the current collector is used. The present invention provides a current collector provided with metallic foil and a 0.1 to 10 µm thick conductive layer formed on an outer surface of the metallic foil. The conductive layer contains a conductive material and a binder material. The melting point of the binder material is 80 to 150°C. The binder material has one or more endothermic peaks during a temperature raising process in differential scanning calorimetry (DSC) from normal temperature to 200°C. The binder material has a difference between peaks of 15°C or more when two or more endothermic peaks are present. The binder material has one or more exothermic peaks during a temperature lowering process. The exothermic peak of the binder material is within 50 to 120°C when there is one exothermic peak, and the half- width of the exothermic peak is 10°C or less. When the binder material has two or more exothermic peaks, the highest exothermic peak is within 50 to 120°C and the half-width of the exothermic peak is 10°C or less.
Provided are: an aluminum alloy foil for electrode collectors which allows for thin rolling during the manufacture of the aluminum alloy foil, and which makes it possible to ensure a strength that is sufficient to prevent breakage during the active material paste-coating step and wrinkling during the pressing step, and that is suitable for the series of manufacturing steps from the manufacture of the aluminum alloy foil to the manufacture of an electrode material; a method for manufacturing same; and an electrode material. In the present invention, an aluminum alloy foil for an electrode collector, a method for manufacturing same, and an electrode material are provided, the aluminum alloy foil being characterized in containing Mn: 0.50 to 1.50 mass% (hereinafter mass% is written simply as %), Cu: 0.05 to 0.50%, Fe: 0.20 to 1.00%, and Si: 0.01 to 0.60%, with the remainder being Al and unavoidable impurities, wherein the solid solution content of Mn is 1500 ppm or more, the solid solution content of Cu is 40 ppm or more, and the tensile strength (T1) after final cold rolling is 260 MPa to 350 MPa, inclusive.
C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
Provided are a collector capable of imparting an excellent shutdown function, an electrode structure, a nonaqueous electrolyte battery, and a power storage component. The present invention is a collector having a resin layer on at least one surface of a conductive substrate, wherein: the resin layer is obtained by dispersing thermoplastic-resin particles not substantially containing a conductive agent therein into a heat-hardening resin base material containing a conductive agent, and the mass ratio of (the thermoplastic resin particles)/(the conductive agent) is 0.3-1.5; and the value of (the average thickness of the conductive agent)/(the average thickness of the thermoplastic resin particles) is 0.3-4.0.
Provided are a collector capable of imparting an excellent shutdown function, an electrode structure, a nonaqueous electrolyte battery, and a power storage component. The present invention is a collector having a resin layer on at least one surface of a conductive substrate, wherein: the resin layer is obtained by dispersing a thermoplastic resin having a conductive agent therein into a heat-hardening resin base material, and the value of (the average thickness of the conductive agent)/(the average thickness of the thermoplastic resin) is 0.5-3; the conductive agent is formulated in a manner such that the volume percentage of (the conductive agent)/(the conductive agent + the thermoplastic resin) is 10-50%; and the thermoplastic resin proportion is 10-65%.
An aluminum alloy foil for an electrode current collectors has a high post-drying strength after application of an active material while keeping a high electrical conductivity. The aluminum alloy foil includes 0.1 to 1.0 mass % of Fe, 0.01 to 0.5% of Si, and 0.01 to 0.2 mass % of Cu, and the rest includes Al and unavoidable impurities. The aluminum alloy foil after final cold rolling has a tensile strength of 220 MPa or higher, a 0.2% yield strength of 180 MPa or higher, and an electrical conductivity of 58% IACS or higher. The aluminum alloy foil has a tensile strength of 190 MPa or higher and a 0.2% yield strength of 160 MPa or higher after the aluminum alloy foil is heat treated at any of 120° C. for 24 hours, 140° C. for 3 hours, and 160° C. for 15 minutes.
C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
Provided are: an aluminum alloy foil for an electrode current collector, which can have high strength after the application of an active material thereonto and the subsequent drying of the resultant product in the production of a battery and has excellent heat resistance; a method for producing the aluminum alloy foil; and a lithium ion secondary battery. The present invention provides: an aluminum alloy foil for an electrode current collector, said aluminum alloy foil being characterized by containing 0.1 to 0.5 mass% ("mass%" is simply abbreviated to "%", hereinafter) of Fe, 0.01 to 0.5% of Si, 0.01 to 0.2% of Cu and 0.01 to 0.5% of Mn, with the remainder made up by Al and unavoidable impurities, and also characterized in that the tensile strength of the aluminum alloy foil becomes 210 MPa or more after heating the aluminum alloy foil that has been subjected to final rolling at 100˚C for 24 hours, at 150˚C for 3 hours or at 200˚C for 15 minutes; a method for producing the aluminum alloy foil; and a lithium ion secondary battery.
C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
The present invention relates to: a collector in which an active material layer using an aqueous solvent can be suitably formed, and which is capable of exhibiting excellent battery performance; an electrode structure; a nonaqueous electrolyte battery; and an electricity storage component (such as an electric double layer capacitor and a lithium ion capacitor). The present invention provides a collector which has a resin layer on at least one surface of a conductive base, and which is characterized in that the resin layer is formed from a collector composition that contains: an acrylic resin which is mainly composed of an acrylic acid ester and an acrylamide or a derivative thereof; melamine or a derivative thereof; and carbon particles.
Provided are: a collector which is able to be provided with excellent shut-down function; an electrode structure; a nonaqueous electrolyte battery; and an electricity storage component. The present invention provides a collector (1) which comprises a resin layer (5) on at least one surface of a conductive base (3). The resin layer (5) contains a fluorine resin and conductive particles (11), has a thickness of 0.3-20 μm, and has at least one of the characteristics (1)-(3) described below. (1) The conductive particles (11) have an average particle diameter of 0.5-25 μm, and the area occupancy of the conductive particles in the surface of the resin layer is 10-50%. (2) The surface of the resin layer (5) has a resistance of 1.0-10 Ω at 20°C and a resistance of 200-600 Ω after heating at 220°C. (3) The surface of the resin layer (5) has a resistance of 1.8-9.7 Ω at 20°C and a resistance of 209-532 Ω after heating at 180°C.
The purpose of the present invention is to provide an aluminum alloy foil for electrode charge collectors that has excellent foil rollability, high electrical conductivity, and high strength after a drying step after the application of active materials. The present invention provides an aluminum alloy foil for electrode charge collectors which is an aluminum alloy foil containing 0.03-0.1% of Fe, 0.005-0.02% of Ti, 0-0.1% of Si, 0-0.01% of Cu, and 99.85% or more of Al, with the remainder comprising inevitable impurities, the aluminum alloy foil being characterized in that the tensile strength is 175 MPa or higher and the electrical conductivity is 60% IACS or higher.
B21B 3/00 - Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences
B22D 27/20 - Measures not previously mentioned for influencing the grain structure or textureSelection of compositions therefor
C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
C22F 1/00 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
47.
ALUMINUM ALLOY FOIL FOR ELECTRODE COLLECTOR AND PRODUCTION METHOD THEREFOR
The purpose of the present invention is to provide an aluminum alloy foil for an electrode collector having high strength even after a drying step following coating with an active substance, while maintaining high conductivity. A production method for the aluminum alloy foil for an electrode collector is provided that is characterized by holding for 1-20 hours at 550-620°C and hot rolling at a start temperature of at least 500°C and a finishing temperature of 255-300°C an aluminum alloy ingot containing 0.03%-0.1% Fe, 0.01%-0.1% Si, 0.0001%-0.01% Cu, and no more than 0.005% Mn, with the remainder comprising Al and unavoidable impurities.
C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
C22F 1/00 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
48.
ALUMINUM ALLOY FOIL FOR ELECTRODE COLLECTOR AND PRODUCTION METHOD THEREFOR
Provided is an aluminum alloy foil for an electrode collector having high strength as well as high strength after drying, and which can be produced at low cost. The aluminum alloy foil for an electrode collector is characterized by: comprising 0.03-1.0 mass% Fe, 0.01%-0.2% Si, 0.0001%-0.2% Cu, and 0.005%-0.03% Ti, with the remainder comprising Al and unavoidable impurities; and by the presence of at least 2.0 x 104/mm2 of an intermetallic compound having an Fe solid solution amount of at least 200 ppm and a maximum major diameter of 0.1-1.0 µm.
C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
C22F 1/00 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
49.
COLLECTOR AND ELECTRODE STRUCTURE, NON-AQUEOUS ELECTROLYTE CELL, ELECTRICAL DOUBLE LAYER CAPACITOR, LITHIUM ION CAPACITOR, OR ELECTRICITY STORAGE COMPONENT USING SAME
Provided is a technology for precisely and conveniently confirming the performance of a conductive resin layer of a collector by means of non-destructive scanning without actually producing an electrode structure, non-aqueous electrolyte cell, electrical double layer capacitor, lithium ion capacitor, or electricity storage component. Provided is a collector resulting from forming a conductive resin layer on at least one surface of a conductive substrate, wherein the conductive resin layer contains a conductive material having a resin and carbon as the primary components, and, when stipulated by the L*a*b* color specification system, the hue of the surface of the conductive resin layer is such that L* is no greater than 60, a* is -1.0 to 1.0, and b* is -1.0 to 3.0.
The objective of the present invention is to provide a collector that is able to reduce the internal resistance of a non-aqueous electrolyte cell, is able to be favorably used in an electricity storage component such as a lithium ion capacitor, an electrical double layer capacitor, or a non-aqueous electrolyte cell such as a lithium ion secondary battery, and is able to improve high-rate characteristics. Provided is a collector that has a conductive resin layer on at least one surface of a conductive substrate, and that is characterized by the resin layer containing a chitosan resin and a conductive material, and the water contact angle of the surface of the resin layer measured by means of the θ/2 method in a 23°C temperature-controlled room being 5-60° inclusive. Further provided are an electrode structure, non-aqueous electrolyte cell, and electricity storage component equipped with the collector.
The purpose of the present invention is to provide a collector comprising an aluminum alloy foil for an electrode collector having high strength even after a drying step following coating with an active substance, while maintaining high conductivity. Provided is a collector comprising a conductive base material and a resin layer on one surface or both surfaces of the conductive base material. The conductive base material comprises, in mass%, 0.03%-1.0% Fe, 0.01%-0.3% Si, and 0.0001%-0.2% Cu, with the remainder comprising Al and unavoidable impurities. The aluminum alloy foil after final cold rolling has a tensile strength of at least 180 MPa, a 0.2% proof stress of at least 160 MPa, and a conductivity of at least 58% IACS. After the final cold rolling, even if the aluminum alloy foil is heat treated for 24 hours at 120°C, for 3 hours at 140°C, or for 15 minutes at 160°C, the tensile strength after said heat treatment is at least 170 MPa, and the 0.2% proof stress is 150 MPa or greater. The resin layer includes a conductive material and a resin comprising an acrylic resin, a nitrocellulose resin, or a chitosan resin, and has a water contact angle of the resin layer surface, as measured by the θ/2 method inside a constant-temperature room at 23°C, of 30-105° when the resin is an acrylic resin, 100-110° when the resin is a nitrocellulose resin, and 20-50° when the resin is a chitosan resin.
C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
C22F 1/00 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
52.
CURRENT COLLECTOR, ELECTRODE STRUCTURAL BODY, NONAQUEOUS ELECTROLYTE BATTERY, CAPACITOR COMPONENT, AND NITROCELLULOSE RESIN MATERIAL
Provided is a current collector that is appropriate for charging/discharging at a high current density. The present invention provides a current collector having a conductive substrate and a conductive resin layer on one or both sides of the conductive substrate. The conductive resin layer includes a nitrocellulose resin and a conductive material.
The purpose of the present invention is to provide an aluminum alloy foil for electrode collectors which has high strength even after a drying step subsequent to coating with an active substance, while maintaining high conductivity. Specifically provided is a production method for an aluminum alloy foil for electrode collectors which is characterized in that an aluminum alloy ingot containing 0.1%-0.5% Fe, 0.01%-0.3% Si, 0.01%-0.2% Cu, and no more than 0.01% Mn, with the remainder being Al and unavoidable impurities, is held for 1-20 hours at 550-620°C and is subjected to hot rolling with a start temperature of at least 500°C and a finishing temperature of 255-300°C.
C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
C22F 1/00 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
54.
ALUMINUM ALLOY FOIL FOR ELECTRODE COLLECTOR AND PRODUCTION METHOD THEREFOR
The purpose of the present invention is to provide: an aluminum alloy foil for an electrode collector having high strength as well as high strength after a drying step following coating with an active substance, and having high conductivity; and a production method therefor. The production method for the aluminum alloy foil for an electrode collector provided is characterized by: forming by continuous casting an aluminum alloy plate comprising 0.03-1.0 mass% Fe, 0.01%-0.2% Si, and 0.0001%-0.2% Cu, with the remainder comprising Al and unavoidable impurities; cold rolling the aluminum alloy plate at a cold rolling rate of no more than 80%; and by heat treating same at 550-620°C for 1-15 hours.
C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
C22F 1/00 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
55.
COLLECTOR AND ELECTRODE STRUCTURE, NON-AQUEOUS ELECTROLYTE CELL, ELECTRICAL DOUBLE LAYER CAPACITOR, LITHIUM ION CAPACITOR, OR ELECTRICITY STORAGE COMPONENT USING SAME
The present invention improves the adhesion of an active material or the like to the surface of a conductive resin layer provided to a collector, and improves the high-rate characteristics or electrode life of a non-aqueous electrolyte cell, electrical double layer capacitor, lithium ion capacitor, or the like that uses the collector. Provided is the collector, wherein a conductive resin layer is formed to at least one surface of a conductive substrate. Also, the surface roughness (Ra) of the conductive resin layer is 0.1-1.0 μm inclusive. Furthermore, when the thickness of the conductive resin layer is t (μm) and the average angle of inclination of the roughness at the resin layer surface is θa (degrees), the range (1/3)t + 0.5 ≤ θa ≤ (1/3)t + 10 is satisfied.
Provided is a collector which is provided with a conductive resin layer and has improved electrochemical stability. A collector (3) of one embodiment of the present invention is obtained by forming a conductive resin layer (1) on at least one surface of a conductive base (2). The conductive resin layer (1) contains an acrylic resin or a nitrocellulose resin and a conductive material. The conductive resin layer (1) has a maximum current response of 10 μA/cm2 or less within the electrode potential range from +3 V to +4.5 V based on lithium metal in the electrolyte solution of a lithium ion battery.
patents
