614 results about "Metallic foil" patented technology

The invention provides a photosensitive resin composition containing an anthracene methyl modified melamine photosensitizer, a photosensitive dry film and application of the photosensitive dry film, the photosensitizer adopts a melamine skeleton to connect three anthracene 9-methyl structures, and through a rigid structure of the melamine skeleton and a methylene bridging (-CH2-An) design of an anthracene group, the photosensitive resin composition has the remarkable advantages that the methylene bridging structure can be used for preparing a photosensitizer, and the photosensitizer can be used as a photosensitizer for photosensitization of the anthracene methyl modified melamine photosensitizer. The breakage of carbon-oxygen bonds on alkoxy caused by p-pi conjugation is avoided, so that the migration of small molecular fragments after initiation is reduced, permeable crystallization to a polyethylene protective film is effectively inhibited, and the risk of short circuit of a line is remarkably reduced; the light quantum yield can be greatly improved by introducing a plurality of light sensing units; the melamine skeleton is used, so that the adhesive force of the initiation system on the metal foil surface can be effectively improved; in addition, the photosensitizer also shows excellent solubility and formula compatibility, and can be widely applied to the photocuring fields of dry films, paints, coatings, printing inks, molding materials and the like.

The present disclosure provides a thermosetting resin composition contributing to reducing the elastic modulus of a cured product and increasing the flexibility thereof while reducing the chances of causing a decline in the heat resistance of the cured product. A thermosetting resin composition contains: a maleimide compound (A) having at least two maleimide groups in one molecule; a compound (B) having, at either or both of terminals thereof, a substituent with an ethylenic unsaturated bond and having a polyphenylene ether skeleton; and an inorganic filler (C). The compound (B) includes a compound (B1) having a butadiene-derived structural unit.

A portable shelter with electromagnetic interference (EMI) protection includes a plurality of walls that define an interior space. The walls can be fixed or movable. An EMI protected edge connector joins at least two of the walls together. The EMI protected edge connector assembly can be fixed or hinged. The edge connector can include a metallic outer edge member with two legs and a separate metallic inner edge member with two legs to define an edge channel therebetween with: (i) the first outer leg and the first inner leg are arranged parallel and spaced-apart relative to each other; and (ii) the second outer leg and the second inner leg arranged parallel and spaced-apart relative to each other. The shelter walls can include an inner surface covered by a metallic foil inner layer. A first wall panel is received in a first portion of the edge channel with its metallic foil inner layer contacting the inner edge member and a second wall panel is received in a second portion of the edge channel with it metallic foil inner layer contacting the inner edge member.

A barrier liner 10 for a pipe is made by bending an elongate sheet into a tube about a longitudinal axis of the sheet. The sheet comprises a metallic foil 16 laminated with a polymer layer 18 that is

The invention relates to an iron-nickel battery negative electrode material and a preparation method thereof. The negative electrode material of the iron-nickel battery comprises the following components in parts by weight: 80-95 parts of an iron-based active substance, 3-15 parts of a conductive enhancer, 2-5 parts of a binder and 0.1-5 parts of sulfide, wherein the iron-based active substance comprises nanoscale iron powder or micron-sized porous iron particles; the conductive reinforcing agent comprises graphene or carbon nanotubes. The preparation method comprises the following steps: S1, carrying out ball-milling mixing on an iron-based active substance and sulfide, and carrying out heat treatment in an inert atmosphere to obtain a surface-vulcanized iron-based compound; s2, dispersing the surface-vulcanized iron-based compound and a conductive reinforcing agent in a solvent, and performing spray drying to obtain core-shell particles; and S3, mixing the core-shell structure particles with a binder, coating a metal foil current collector with the mixture, and performing drying, rolling and cutting to obtain the electrode plate containing the iron-nickel battery negative electrode material. The problems of pulverization, passivation and the like of a traditional iron negative electrode are solved, and meanwhile, the cost is low and the stability is high.

The invention relates to the technical field of electrode plates, and discloses a dual-electrode plate of a solid-state lithium metal battery and a preparation method of the dual-electrode plate. Comprising the following operation steps: depositing nano-copper on one side of a polymer base material layer to obtain a copper base layer; further depositing foamy copper on the surface of the copper base layer to obtain a foamy copper layer; a pole piece A is formed; depositing metal aluminum on the other side of the polymer base material layer in the pole piece A to obtain an aluminum layer; a pole piece B is formed; depositing metal lithium on the surface of the foamy copper layer in the pole piece B to obtain a metal lithium layer; further coating the surface of the lithium metal layer with an organic solution, and drying to obtain a polymer solid electrolyte layer; a pole piece C is formed; coating the surface of the aluminum layer in the pole piece C with positive active slurry, and drying to obtain a positive active material layer which is taken as a pole piece D; and rolling the pole piece D, respectively carrying out transfer welding on the aluminum layer on the positive electrode side and the copper layer on the negative electrode side, and leading out a metal foil tab to obtain the dual-electrode pole piece of the solid-state lithium metal battery.

To provide an exterior material for a power storage device and a power storage device using the same that have excellent formability and can suppress slippage of battery cells even when the battery cells of the power storage device are placed in an environment of 40°C or higher while being pressurized.SOLUTION: An exterior material for a power storage device includes, in this order, a base material layer, a barrier layer including a metal foil layer, and a heat-sealed resin layer, and the heat-sealed resin layer has a lubricant layer containing a lubricant on the surface thereof, and the heat-sealed resin layer is capable of absorbing the lubricant from the lubricant layer when the exterior material for the power storage device is placed in an environment of 40°C or higher, and of keeping the amount of the lubricant layer to 10 mg / m2 or less.SELECTED DRAWING: Figure 1

An objective of the present invention is to provide a conductive fiber which not only has excellent tensile strength, bending durability and corrosion resistance, but also in which the conductive fiber does not become magnetized and create a magnetic field disturbance, generate heat due to the magnetic field, attract iron powder, and the like. Another objective is to provide a fiber structure that includes the conductive fiber of the present invention and that has excellent flexibility.　The present invention relates to: a conductive fiber (1) including a liquid crystal polyester fiber (10) having a tensile strength of 18 cN / dtex or greater and a metallic foil (20) with a relative permeability of less than 3 spirally wound around the liquid crystal polyester fiber (10); and a fiber structure including the conductive fiber (1).

The utility model relates to the technical field of battery energy, in particular to a battery cell. The battery cell comprises a first pole piece which comprises a first current collector and a first active layer arranged on the first current collector, a part of the first current collector exceeds the first active layer to form a first tab, and the first current collector comprises an insulating layer and two first metal layers located on the two opposite sides of the insulating layer respectively; the metal protection sheet is arranged on one side of the first tab; the switching piece is arranged on the other side of the first tab; wherein the metal protection sheet is provided with a bulge, the bulge penetrates through the first tab, the two first metal layers of the first tab are electrically connected with the bulge respectively, and the end part of the bulge is electrically connected with the adapter sheet. No metal foil is needed to connect the first tab and the adapter piece, so that the head space of the battery is saved, the energy density of the battery is improved, and the processing cost of the battery cell is reduced.

The invention relates to a non-fluorine binder and application thereof in the field of secondary batteries, and belongs to the technical field of battery binders. The technical problem to be solved by the invention is to provide the non-fluorine binder which has good solubility in NMP (N-Methyl Pyrrolidone). The binder comprises modified resin, and the modified resin is formed by polymerizing thermoplastic resin, a functional monomer and a nitrile group-containing unsaturated monomer. The binder has normal-temperature solubility in an NMP solvent, can improve the high-temperature tolerance of a material in a carbonic ester electrolyte and the binding force to a metal foil, can be applied to the fields of lithium ion battery edge coating protection glue, conductive dispersion glue and positive and negative electrode binders, can be independently used, can also be used in cooperation with other binders, and can be applied to the fields of lithium ion battery edge coating protection glue, conductive dispersion glue and positive and negative electrode binders. The fluorine resin has outstanding price and environmental advantages, and can replace traditional fluorine resin to be applied to lithium ion batteries.

The invention relates to the related technical field of geophysical exploration instruments, in particular to a miniaturized broadband induction type magnetic field sensor. The sensor comprises a magnetic core, an induction coil, a feedback coil and a signal processing circuit. The invention is characterized in that the magnetic core is of a long rod-shaped structure formed by laminating and curing high-permeability soft magnetic strip materials, the length of the magnetic core is 580mm-640mm, the cross section of the magnetic core is a square or an equivalent circle with the side length of 11mm-15mm, and the length-diameter ratio of the magnetic core is greater than 40; the feedback coil is formed by spirally winding a metal foil belt along the magnetic core, and the metal foil belt forms a main shielding layer for restraining interference of an external electric field at the same time. By optimizing the size and the length-diameter ratio of the magnetic core and combining the integrated design of feedback and shielding functions, while the working frequency band and the low-noise performance are ensured, remarkable miniaturization and light weight of the sensor are realized, and the portability and the layout efficiency of field exploration are greatly improved.

The invention discloses a manufacturing method and device of a battery pole piece and electronic equipment. The method comprises the following steps: obtaining a to-be-coated metal foil; coating parameters corresponding to the to-be-coated metal foil are determined, multiple coating index items corresponding to the coating parameters are determined, and coating index data corresponding to the multiple coating index items are determined in the process that the to-be-coated metal foil is coated with electrode cell slurry according to the initial coating process data; and according to the coating index data corresponding to the plurality of coating index items, updating the initial coating process data to obtain target coating process parameters until the coating of the to-be-coated metal foil is completed, and obtaining a target battery pole piece. According to the invention, the technical problem that the quality of the manufactured battery pole piece is difficult to ensure due to the fact that the coating parameters are adjusted by real-time data obtained by image processing when the battery pole piece is manufactured in the prior art is solved.

The secondary battery comprises an electrode assembly, the electrode assembly comprises a first pole piece, a diaphragm and second pole pieces which are sequentially stacked in the first direction, and the first pole piece comprises a first double-sided pole piece located between two adjacent second pole pieces; the first double-sided pole piece comprises a first metal foil and first active layers arranged on the two surfaces of the first metal foil in the first direction. The first pole piece further comprises a first single-face pole piece, the pole piece on the outermost layer of the electrode assembly in the first direction is the first single-face pole piece, the first single-face pole piece comprises a first current collector and a second active layer, and the surface, facing the second pole piece, of the first current collector is provided with a second active layer. The first current collector comprises a first polymer layer and a second metal layer which are laminated along a first direction, the 1cm < 2 > unit area resistance value of the first metal foil at 25 DEG C is R1, and the 1cm < 2 > unit area resistance value of the second metal layer at 25 DEG C is R2; and-30 m omega < = R1-R2 < = 15 m omega. According to the secondary battery and the electronic equipment, the problem of capacity loss of the secondary battery can be improved.

Provided are a resin composition, a cured product, a prepreg, a metal foil-clad laminate, a resin composite sheet, a printed wiring board, and a semiconductor device. This resin composition comprises an elastomer (A), a thermosetting compound (B), a radical polymerization initiator (C), and a filling material (D), wherein: the elastomer (A) includes a polymer block (a1) containing a radically reactive group-containing styrene compound unit and a conjugated diene compound unit; the thermosetting compound (B) contains a resin (E) having at least two vinylbenzyl groups at the terminal thereof; the content of the filling material (D) is 1-300 parts by mass with respect to 100 parts by mass of the solid content of the resin; and the mass ratio ((A) / (E)) of the elastomer (A) to the resin (E) having at least two vinylbenzyl groups at the terminal thereof is 0.01-1.1.

A high-performance lithium battery current collector, a conductive paste and a manufacturing process for it, which fall within the technical field of lithium battery manufacturing.The functional coating of the current collector is a functional layered cover structure with a thickness of no more than 800 nm, formed by applying a conductive paste to the surface of a metal foil and subsequently drying it; the functional coating comprises several strip-shaped modified conductive agents which, after curing and shaping, are arranged parallel to each other within the functional coating, their axes each being at an angle of 15 to 45 degrees to the surface of the metal foil within the longitudinal thickness of the coating, diagonally oriented and interwoven with the modified nanofibers, the binder and the conductive agents within the coating to form an oriented three-dimensional network-like interconnected structure that exhibits improved adhesion, conductivity and thermal conductivity as well as homogeneous deformation and automatic recovery.The functional coating can automatically adjust and compensate for volume and can maintain the relative stability of the connection network and the strength of the electrical connection during the expansion and contraction process of charging and discharging active materials, thus improving the overall performance of lithium batteries.

The invention relates to a secondary battery and electronic equipment, the secondary battery comprises an electrode assembly, the electrode assembly comprises a positive electrode plate, a diaphragm and a negative electrode plate which are stacked, the negative electrode plate comprises a negative electrode current collector and a negative electrode active material layer, the negative electrode active material layer comprises a negative electrode active material, the negative electrode active material comprises a silicon-based material, and a negative active material layer is arranged on at least one surface of the negative current collector in the thickness direction. In the thickness direction of the negative current collector, the negative current collector comprises a first metal layer and a second metal layer attached to the surface of the first metal layer. The first metal layer is a metal foil and comprises copper, the tensile strength of the negative current collector is not lower than 700 MPa, the elongation of the negative current collector is not lower than 8%, the thickness of the negative current collector is H1, and H1 is larger than or equal to 5 microns. According to the secondary battery and the electronic equipment, the problems of deformation and fracture of the negative plate in the circulation process can be improved.

The invention provides a resin composition, and a prepreg, a laminated board and a metal foil-clad laminated board containing the same. The resin composition comprises the following components in parts by mass: 20-90 parts of a component A and 5-60 parts of a component B, the component A comprises addition reactants of a maleimide compound a1 containing at least two N-substituted maleimide groups in one molecule and an amine compound a2 containing at least two primary amino groups in one molecule; and the component B is benzocyclobutene resin. Through design and mutual compounding of the component A and the component B, the problem of phase splitting caused by insufficient compatibility of a maleimide compound and low-polarity resin is solved, and the warping degree of a laminated board and a metal foil-clad laminated board at room temperature and after reflow soldering is further reduced; the resin composition and the laminated board and the metal foil-clad laminated board comprising the same have excellent performances such as high glass transition temperature and low thermal expansion coefficient, and fully meet the performance requirements of high-speed packaging substrate materials.

To provide laminates and PTP packages that offer reduced environmental load and exhibit superior heat resistance, rub resistance, adhesive strength, blocking resistance and rubbing strength.SOLUTION: A laminate includes a metal foil, a first ink layer provided on the metal foil and a varnish layer provided on the first ink layer. As a binder resin component (1) in the first ink layer, a butyral resin is contained. As a binder resin component (2) in the varnish layer, a butyral resin is contained.SELECTED DRAWING: Figure 1

The present invention provides an electrode body that can suppress damage to the curved portions in a structure including a first electrode sheet having a plurality of first laminated portions and a plurality of curved portions connecting adjacent first laminated portions in the lamination direction. [Solution] The electrode body comprises a first electrode portion 11 composed of a first electrode sheet including a plurality of first laminated portions 110 and a plurality of first curved portions 115, and a second electrode portion 12 having a plurality of second laminated portions 120, wherein the plurality of first laminated portions 110 and the plurality of second laminated portions 120 are arranged alternately in the lamination direction, the first electrode sheet includes a first sheet portion including a portion made of a first metal foil that constitutes the first laminated portion and a portion made of a first resin member that constitutes a plurality of first curved portions 115, and a first active material layer 112, the first laminated portion 110 having a first metal foil 111 and a first active material layer 112 on the first metal foil 111, the first active material layer 112 is not provided on the first resin member.

The present invention relates to the technical field of packaging materials, and discloses an antistatic composite packaging material and a preparation process thereof, the antistatic composite packaging material comprises: a base material layer, the base material layer is made of a polyester film or a hard paperboard material, and the base material layer is used as the bottommost layer of the composite material; the metal oxide static electricity absorption layer is made of aluminum oxide or an oxidation material; the metal foil layer is made of an aluminum foil material; a polyurethane protective film is adopted as the outer layer protective film; and the surface antistatic coating is made of a polytetrafluoroethylene material. Through the multi-layer structure design, the metal oxide static electricity absorbing layer (such as aluminum oxide or titanium oxide) and the metal foil conducting layer are adopted, and the long-acting antistatic effect is provided. By means of the design, the problems that a traditional antistatic coating is prone to abrasion and the efficacy is decreased progressively are solved, it is ensured that the material can still keep stable antistatic performance after being used for a long time, and the material is especially suitable for products needing to be stored and transported for a long time.

The invention relates to a secondary battery and electronic equipment, the secondary battery comprises an electrode assembly, the electrode assembly comprises a positive electrode plate, a diaphragm and a negative electrode plate which are stacked, the negative electrode plate comprises a negative electrode current collector and a negative electrode active material layer, the negative electrode active material layer comprises a negative electrode active material, the negative electrode active material comprises a silicon-based material, and a negative active material layer is arranged on at least one surface of the negative current collector. The negative current collector comprises a first metal layer and a second metal layer attached to the surface of the first metal layer, the first metal layer is a metal foil, the first metal layer comprises nickel, the second metal layer comprises copper, the tensile strength of the negative current collector is not lower than 950 MPa, and the ductility of the negative current collector is not lower than 6%. According to the secondary battery and the electronic equipment, the problems of deformation and fracture of the negative plate in the circulation process can be improved.

Provided are a resin composition, a cured product, a prepreg, a metal foil-clad laminate, a resin composite sheet, a printed wiring board, and a semiconductor device. This resin composition contains an elastomer (A), a thermosetting compound (B), and a radical polymerization initiator (C). The elastomer (A) includes a polymer block (a1) including a conjugated diene compound unit and a styrene compound unit having a radical reactive group. The thermosetting compound (B) contains a resin (E) having two or more vinylbenzyl groups at terminals. The content of the elastomer (A) is 0.5-30 parts by mass with respect to 100 parts by mass of the resin solid content in the resin composition. The mass ratio ((A) / (E)) of the elastomer (A) to the resin (E) having two or more vinylbenzyl groups at terminals is 0.01-1.1.

The invention discloses a super-flexible high-strength cable based on a topological optimization structure and a preparation method of the super-flexible high-strength cable. The cable comprises a conductor, an insulating layer, a reinforcing structure layer, a shielding layer and an outer sheath which are sequentially arranged from inside to outside. The conductor adopts a single-strand solid structure or a multi-strand stranded structure; the insulating layer coats the outer side of the conductor through an extrusion process; the reinforced structure layer adopts a topological optimization design and is formed by compounding a high-strength fiber material and a matrix material, and the fiber material is arranged according to the direction and distribution determined by topological optimization; the shielding layer is of a metal woven mesh or metal foil tape wrapping structure; and the outer sheath coats the outer side of the shielding layer. The reinforced structure layer is designed through the topological optimization technology, so that the cable can maintain super flexibility, and meanwhile, the stretching resistance, the bending resistance and the extrusion resistance are remarkably improved, and the problem that the flexibility and the strength of a traditional cable are difficult to consider at the same time is solved.

The present invention provides a resin composition, a cured product, a prepreg, a metal foil-clad laminate, a resin composite sheet, a printed wiring board, and a semiconductor device. The resin composition contains an elastomer (A), a compound (B) represented by formula (GU), and a radical polymerization initiator (C). The elastomer (A) includes a polymer block (a1) containing a conjugated diene compound unit and a styrene compound unit having a radical reactive group. The content of the elastomer (A) is 1-30 parts by mass with respect to 100 parts by mass of the resin solid content. In formula (GU), R1 and R2 are hydrogen atoms or substituents, two R2 are the same as each other, at least one of R1 and R2 is a group including a (meth)allyl group, and R3 and R4 each independently represent a hydrogen atom, an alkyl group, or an aryl group.

In a method for manufacturing electrodes (40) for battery cells, an electrode paste (22, 32) is first applied as a coating to a metal foil (20). The coating is then dried in a dryer (42; 142), the drying conditions of which can be varied. According to the invention, for the purpose of inline process monitoring, at least one property of the coating is measured non-contact by a measuring device (48a, 48b). The measuring device can, for example, comprise one or more chromatic confocal distance sensors. If values ​​measured by the measuring device are outside a target range, the temperature or another process condition in the dryer (42; 142) is changed. The measuring device allows transitions between the phases of the drying process to be detected, so that, for example, the drying rate can be specifically adjusted to the progress of the drying process.

A target for a neutron generation device includes a target material that is to be irradiated with a proton beam to generate neutrons; a substrate in which a recessed portion that holds the target material is provided; and a metal foil for sealing the target material held in the recessed portion. The target material is a lithium alloy material in which a part or an entire portion of lithium is alloyed. The target material and the substrate are alloyed and joined together. A method for producing a target involves placing a precursor made of metal lithium or a lithium alloy in the recessed portion; alloying the precursor and the substrate with each other to be joined together by heating the substrate and the precursor to melt the precursor, and then, solidifying the precursor; and joining the metal foil on the substrate to which the precursor has been joined.

This method for manufacturing an electric power storage device includes: a first preparation step for preparing a wound-type electrode group 50 comprising a first electrode 51 and a second electrode, the first electrode 51 having a metal foil portion 52 exposed at one end in the axial direction of the electrode group 50; a second preparation step for preparing a current collector plate 80 having a central portion 81 and arm portions 82; a third preparation step for preparing a bottomed cylindrical case; a first welding step for welding the metal foil portion 52 and the arm portions 82 at line welded portions LW by means of a line-shaped laser beam formed using a diffractive optical element; and a second welding step for accommodating the electrode group 50 and the current collector plate 80 in the case and welding the central portion 81 and an inner bottom surface of the case at a central welded portion CW. In the first welding step, a spot-shaped melt mark M is formed in a part of the central portion 81 on the outer peripheral side of the central welded portion CW by means of zero-order light emitted from the diffractive optical element. This enables manufacturing costs to be reduced.

An electronic device may have optical components that each have first and second transparent layers such as first and second glass layers. The glass layers may have outer surfaces that face away from each other and inner surfaces that face towards each other. A polymer layer is formed between the inner surfaces of the glass layers. Along the periphery of each optical component, a hermetic seal is formed to protect the polymer material of the polymer layer. The seal may include one or more metal layers that are coupled to the first and second glass layers. Alternatively or additionally, the seal may include an internal seal, such as a metal foil layer that extends between the first and second glass layers, within the optical component to reduce the width of the optical component.

Provided are a resin composition, a cured object, a prepreg, a metal-foil-clad laminate board, a resin composite sheet, a printed wiring board, and a semiconductor device. The resin composition according to the present disclosure comprises 10-90 parts by mass of a resin (A) and 90-10 parts by mass of a maleimide compound (B) represented by formula (M4), wherein the resin (A) is represented by formula (T).

The invention provides a resin composition, and a prepreg and a metal foil-clad laminated board containing the same. The resin composition comprises the following components: a maleimide compound (A) containing an indane structure in a molecule and thermosetting resin (B), the maleimide compound (A) having an indane structure in the molecule has an acid value of 5.0 mgKOH / g or less. According to the present invention, the Df change is small after the cured product of the resin composition is subjected to the extreme environment thermal oxidation treatment, such that the prepared prepreg and the prepared metal foil-coated laminated board have characteristics of excellent dielectric property and extreme environment resistance, and are especially suitable for high-speed packaging.