485 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.

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.

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.

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 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 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.

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.

The invention discloses a flat functional current collector and a preparation method thereof, and relates to the technical field of current collectors. The method specifically comprises the following steps that S1, an organic film and a metal foil are attached to the same release film, and interfaces in the thickness direction are in contact; an intermediate product A is obtained; s2, a metal layer is deposited on the face, away from the release film, of the intermediate product A, and an intermediate product B is obtained; and S3, removing the release film in the intermediate product B, and depositing a metal layer on the surface again to obtain the functional current collector. A continuous conducting layer can exist in the edge area of the functional current collector prepared by the method, and a tab is not required to be reserved or welded like a traditional current collector, so that the structural smoothness of the current collector is kept.

The invention provides a sodium-ion battery pole piece and a preparation method thereof, a battery cell, a battery and electric equipment, and relates to the field of sodium-ion batteries. The sodium-ion battery pole piece comprises an electrode active membrane and a tab, wherein the tab is partially embedded into the electrode active membrane; a carbon layer is also arranged on the surface of the tab embedded into the electrode active membrane; the raw materials of the electrode active film comprise an active substance, a conductive agent and a binder. The sodium ion battery pole piece is low in resource loss, a traditional multi-tab structure battery cell and a traditional pole piece need to be mixed with a solvent and need to consume a large amount of metal foil, the structure does not need to waste the solvent for mixing, the usage amount of the metal foil is greatly reduced, and in addition, due to the fact that the foil is reduced, the proportion of effective active substances is increased, and the production cost is reduced. The energy density of the battery is improved; the carbon layer on the surface of the tab embedded into the electrode active film is beneficial to improving the interface contact property and the conductivity, and the tab which is not embedded into the electrode active film has no carbon layer, can be used as a welding area and is easy to weld and process.

The invention discloses a wide metal foil strip high-speed stamping machining device which comprises a stamping assembly, the stamping assembly comprises a stamping base movably arranged in the vertical direction, and a stamping die is arranged at the bottom end of the stamping base; the guide roller assembly and the driving assembly are symmetrically arranged on the two sides of the bearing table; the guide roller assembly comprises a roller seat, a lower roller wheel and an upper roller wheel are rotatably arranged on the roller seat in a spaced mode in the vertical direction, and the upper roller wheel is movably arranged on the roller seat in the vertical direction; the driving assembly and the stamping assembly are in mechanical linkage, the characteristic that a moving seat synchronously moves along with a stamping base is utilized, a second toothed plate is in a non-meshing state in the stamping descending stage, and the stamping action is prevented from being interfered; at the key moment of upward return stroke of the stamping die, the second toothed plate is automatically triggered to be meshed with the gear, the upper roller is driven to press the foil belt downwards, and the trend that the foil belt is taken up is accurately restrained.

A method may apply an ink layer in a desired pattern onto a substrate with a substrate coefficient of thermal expansion. A method may heat the ink layer and the substrate at a temperature increase ramp rate to a predefined target temperature for the ink layer, to obtain a metallic layer in substantially the desired pattern and with a metallic coefficient of thermal expansion. A method may cool the metallic layer and the substrate at a temperature decrease ramp rate, wherein a difference between the substrate coefficient of thermal expansion and the metallic coefficient of thermal expansion, in combination with the temperature increase ramp rate and the temperature decrease ramp rate, operates to completely delaminate the metallic layer from the substrate, thereby producing the patterned metallic foil.

A handheld glass foiler apparatus (2) includes a housing (4) sized to be held by a human hand. The housing includes a thumb-receiving edge portion (6) arranged to engage a thumb of the human hand, a finger-receiving edge portion (8) arranged to engage the remaining fingers of the human hand, and a foil-dispensing portion (10). A hub (32A) within the housing is arranged to mount a roll (33) of flexible metallic foil (34) material to be dispensed out of the housing from the foil-dispensing portion of the housing. A foil material backing peeler (104) separates an adhesive backing (106) from the metallic foil material (34) within the housing and directs the adhesive backing along a waste track (108) to a waste exit (1109 of the housing. A foil dispenser, a glass alignment guide (38) and a foil crimper (40) may be disposed on the housing as a removable dispenser-guide- crimper assembly (12A, 12B, 12C). A foil cutter assembly (16) and an adjustable foil holder assembly (32) may also be provided.

The invention provides a manufacturing process of a micro supercapacitor based on femtosecond laser 4D printing, which relates to the technical field of energy storage device manufacturing, and comprises the following steps: providing a substrate which is glass, a silicon wafer, a polymer film or a metal foil, and pre-treating the surface of the substrate to obtain a pre-treated substrate; and the pretreated substrate is coated with carbon quantum dots and shape memory epoxy resin to form a composite material layer. According to the manufacturing process of the micro supercapacitor based on femtosecond laser 4D printing, a femtosecond laser technology is combined with optical flow control printing and infrared laser irradiation, a porous structure can be accurately constructed in a composite material layer, a deformation state is solidified and fixed through infrared laser, and a novel manufacturing method of the micro supercapacitor is provided; a high-precision miniature capacitor structure is realized, and the energy storage capability and the cycling stability of the capacitor are effectively improved.

The utility model discloses a lightweight battery structure, which comprises a battery roll core and a polymer conductive film layer, the battery roll core comprises a negative plate, a diaphragm layer and a positive plate, and the negative plate, the diaphragm layer and the positive plate are sequentially stacked; the polymer conductive film layer is wrapped on the outermost surface of the battery roll core and comprises a polymer film and a conductive piece, and the conductive piece is embedded on the polymer film. Therefore, as the polymer film material in the polymer conductive film layer is light, the overall quality and the manufacturing cost of the battery can be reduced, meanwhile, the conductive part is arranged on the polymer film, and the polymer film has a conductive effect through the conductive part, so that the traditional structural mode that a battery roll core is wrapped by a metal foil can be replaced, and the battery can be used for manufacturing the battery. Therefore, the overall weight of the battery can be reduced, and the lightweight design of the battery is realized.

Provided is an ultrasound probe in which even in a case where the number of channels of a piezoelectric element is increased, reliability is not impaired and it is not necessary to change acoustic design.An ultrasound probe includes: a flexible circuit board disposed between the backing material and the plurality of piezoelectric elements, in which each of the plurality of piezoelectric elements consisting of a laminate in which a signal electrode layer, a piezoelectric body portion, and a ground electrode layer are sequentially laminated in a lamination direction on a surface of the flexible circuit board, the signal electrode layer is electrically connected to the flexible circuit board, the flexible circuit board is longer than the piezoelectric body portion in an elevation direction, first members consisting of an adhesive in which abrasive grains are dispersed are disposed at end parts of the laminate in the elevation direction, and the ground electrode layer is electrically connected to the flexible circuit board via metal foil that extends from a surface of the laminate to surfaces of the first members and side surfaces of the first members in the elevation direction.

Provided are a resin composition, a cured product, a prepreg, a metal foil-clad laminate, a resin composite sheet, and a printed wiring board. The resin composition contains a polymaleimide compound (A) and a compound (B) containing two or more polymerizable carbon-carbon unsaturated double bonds. The polymaleimide compound (A) contains, as reaction raw materials (1), an aromatic amine compound (a1) having one or more and three or less alkyl groups on an aromatic ring, an aromatic divinyl compound (a2) having two ethenyl groups, and maleic anhydride.

A resin composition containing a resin (A) represented by formula (T1-1), a thermoplastic elastomer (B), and a thermosetting compound (C) other than the resin (A), in which a parameter [beta] calculated by formula ([beta]) in the resin (A) is 0.20-3.00. In formula (T1-1), R represents a group containing a structural unit represented by formula (Tx). In the parentheses in formula (beta), the integral value between the corresponding chemical shift values in 1H-NMR is represented. A cured product using the resin composition, a prepreg, a metal foil-clad laminate, a resin composite sheet, a printed wiring board, and a semiconductor device.