Abstract: The present disclosure provides a manufacturing method of a magnetic element, comprising: forming an insulation layer on an outer side of at least one section of a magnetic column of a magnetic core; forming a first groove on the insulation layer; forming a surface copper and a first hole copper respectively on a surface of the insulation layer and an inner surface of the first groove; dividing the surface copper into a first surface copper close to the magnetic core and a second surface copper away from the magnetic core, and dividing the first hole copper into a first sidewall copper close to the magnetic core and a second sidewall copper away from the magnetic core; drilling a hole on the second insulation layer, and forming a first conductor and a third surface copper respectively in the hole and on the second insulation layer.

Abstract: A magnetic element includes a magnetic core assembly and a winding assembly. The magnetic core assembly includes a first magnetic part and a second magnetic part arranged independently. The winding assembly includes a first winding. The first winding is wound around the first magnetic part. Moreover, at least a portion of a substrate is formed as the first winding. The substrate includes a first accommodation space, a second accommodation space and a first metal structure. Moreover, at least a portion of the first metal structure is formed as at least a portion of the first winding. At least a portion of the first magnetic part and at least a portion of the second magnetic part are disposed within the first accommodation space and the second accommodation space, respectively. The substrate has an integral structure.

Abstract: Disclosed is a manufacturing method of a pouch battery. The manufacturing method includes forming a cavity in a shell and forming a through hole on the shell; forming a terminal in the cavity connected to the through hole in a sealed manner; placing an energy conversion element and an electrical connector connected to the energy conversion element into the cavity; connecting the electrical connector to the terminal in the cavity by providing a welding pin outside of the shell during welding; forming a liquid injection port; injecting electrolyte into the cavity via the liquid injection port; sealing the liquid injection port by performing a first sealing; and activating the electrolyte. After activation, the method further includes forming an opening at one side of the shell performing the first sealing, vacuumizing the cavity to drain excess electrolyte; and performing a second sealing to seal the shell.

Abstract: A magnetic element includes a magnetic core assembly and a winding assembly. The magnetic core assembly includes a first magnetic part and a second magnetic part arranged independently. The winding assembly includes a first winding. The first winding is wound around the first magnetic part. Moreover, at least a portion of a substrate is formed as the first winding. The substrate includes a first accommodation space, a second accommodation space and a first metal structure. Moreover, at least a portion of the first metal structure is formed as at least a portion of the first winding. At least a portion of the first magnetic part and at least a portion of the second magnetic part are disposed within the first accommodation space and the second accommodation space, respectively. The substrate has an integral structure.

Abstract: Provided is a Spodoptera frugiperda pupa ovary cell line with high Baculovirus production. The cell line has the name of IOZCAS-Sf-1 and the deposit number of CGMCC No. 21014. Further disclosed are a method for preparing the cell line and the use of the cell line in the large-scale growth of the Baculovirus. The cell line can be used for replicating the Baculovirus, for the large-scale production of Baculovirus insecticides and for constructing a Baculovirus expression vector system.

Abstract: The present disclosure provides a manufacturing method of a magnetic element, comprising: forming an insulation layer on an outer side of at least one section of a magnetic column of a magnetic core; forming a first groove on the insulation layer; forming a surface copper and a first hole copper respectively on a surface of the insulation layer and an inner surface of the first groove; dividing the surface copper into a first surface copper close to the magnetic core and a second surface copper away from the magnetic core, and dividing the first hole copper into a first sidewall copper close to the magnetic core and a second sidewall copper away from the magnetic core; drilling a hole on the second insulation layer, and forming a first conductor and a third surface copper respectively in the hole and on the second insulation layer.

Abstract: A terahertz material for emission reduction and fuel saving of gasoline vehicles and its preparation method and application, includes the following raw materials in parts by weight: 20˜35 SiOx, 3˜15 Al2O3, 25˜45 SiO2, 15˜25 Fe2O3, 20˜40 ochre, 0.5˜2 barium tungstate, 15˜25 CaCO3, wherein a preparation method includes: mixing the component raw materials according to the above ratio; after crushing, performing heating to 600˜1,200° C. in an oxygen-free environment, maintaining the temperature for 3˜8 hours, and then performing crushing for the second time; and performing enhancement processing with terahertz irradiation rays at 10 mW to 100 W for 5 seconds to 1 hour to obtain a terahertz material, wherein the terahertz material improves combustion efficiency by increasing the molecular activity of gasoline and air participating in combustion work and reducing molecular groups, and has the effects of emission reduction, energy saving and improving power.

Abstract: The present invention discloses a terahertz material with therapeutic and health care effect and its preparation method and application, which includes the following raw materials in parts by weight: 15˜28 SiO2, 3˜8 Al2O3, 1˜3 selenium, 2˜5 germanium, 10˜15 Fe2O3, 35˜45 ochre, 20˜35 zinc oxide, 65˜80 CaCO3, 0.1˜0.5 rare earth palladium, 1˜10 SiOx, wherein the raw materials of components are mixed according to the above proportion, and crushing, heating to 600˜1200° C. in an oxygen free environment for 3˜8 hours, and then secondary crushing, having a fineness of 3000˜8000 mesh; and then, after crushing again and powdering processing, the fineness reaches more than 10000 mesh. After being enhanced treatment by the terahertz irradiation line, the terahertz materials with therapeutic and health care effects are obtained. They can be processed and manufactured into a variety of physiotherapy equipment, with fast action speed and stable effect on human body.

Abstract: The present disclosure provides a manufacturing method of a magnetic element, comprising: forming an insulation layer on an outer side of at least one section of a magnetic column of a magnetic core; forming a metal wiring layer on an outer side of the insulation layer through a metallization process; and dividing at least part of the metal wiring layer into a multi-turn metal winding through a mechanically dividing process.

Abstract: The present disclosure provides a manufacturing method of a magnetic element, comprising: forming an insulation layer on an outer side of at least one section of a magnetic column of a magnetic core; forming a metal wiring layer on an outer side of the insulation layer through a metallization process; and dividing at least part of the metal wiring layer into a multi-turn metal winding through a mechanically dividing process.

Abstract: The present disclosure provides a magnetic element, a manufacturing method of a magnetic element, and a power module. The magnetic element includes: a magnetic core; and a metal wiring layer, where the metal wiring layer is flat wound on a surface of at least one section of a magnetic column of the magnetic core, the metal wiring layer includes a vertical portion and a horizontal portion, and at least part of the vertical portion forms a multi-turn metal winding by mechanically dividing.

Abstract: Disclosed are an energy storage device and a cell thereof. The energy storage device includes: an anode sheet, a cathode sheet, and two diaphragms, one of the anode sheet and the cathode sheet being located between the two diaphragms, and the other one being located on an outer side of either of the two diaphragms, together the anode sheet, the cathode sheet, and the two diaphragms forming a spiral winding structure; at least one diaphragm has an extension exceeding beyond an end of the anode sheet and an end of the cathode sheet; the two diaphragms are of dimensions greater than that of the cathode sheet along an axial direction of the winding structure, an exceeding portion of the at least one diaphragm beyond the dimension of the cathode sheet forming a first protrusion from at least one end of the winding structure, and the first protrusion being tilted to cover the anode sheet and the cathode sheet at the end where the first protrusion is located.

Abstract: Disclosed are a battery apparatus and an electronic device. The battery apparatus includes: a first shell including a first tubular side wall and a top cap; and a second shell including a second tubular side wall and a bottom cap, wherein a recessed structure is formed in at least part of a connection region between the second tubular side wall and the bottom cap; the first tubular side wall sleeves the second tubular side wall; an insulation sealing piece is arranged between the first tubular side wall and the second tubular side wall; a portion of the first tubular side wall close to its open end is bent towards the recessed structure along part of a circumference of the open end to form a partial crimped edge; and the partial crimped edge is clamped to the recessed structure.

Abstract: Disclosed is a manufacturing method of a pouch battery. The pouch battery includes a shell and an energy conversion element, the energy conversion element being provided with an electrical connector protruding outward therefrom, the shell forming a closed cavity therein and being provided with a through hole; and the pouch battery further includes a terminal connected to the through hole in a sealed manner; the manufacturing method includes: placing the energy conversion element into the cavity; connecting the electrical connector to the terminal by welding; injecting electrolyte into the cavity and sealing the cavity; and activating the pouch battery.

Abstract: The present invention discloses a terahertz material with therapeutic and health care effect and its preparation method and application, which includes the following raw materials in parts by weight: 15˜28 SiO2, 3˜8 Al2O3, 1˜3 selenium, 2˜5 germanium, 10˜15 Fe2O3, 35˜45 ochre, 20˜35 zinc oxide, 65˜80 CaCO3, 0.1˜0.5 rare earth palladium, 1˜10 SiOx, wherein the raw materials of components are mixed according to the above proportion, and crushing, heating to 600˜1200° C. in an oxygen free environment for 3˜8 hours, and then secondary crushing, having a fineness of 3000˜8000 mesh; and then, after crushing again and powdering processing, the fineness reaches more than 10000 mesh. After being enhanced treatment by the terahertz irradiation line, the terahertz materials with therapeutic and health care effects are obtained. They can be processed and manufactured into a variety of physiotherapy equipment, with fast action speed and stable effect on human body.

Abstract: Disclosed are an electrode sheet for a battery roll core, and a cylindrical or button battery. The electrode sheet includes a tab, a sheet-like current collector, and two electrode active materials attached to two surfaces of the sheet-like current collector respectively, wherein an edge of the electrode active material located on an inner side of a winding is indented at beginning and/or end of the winding relative to an edge of the other electrode active material so as to form a foil-free region, and one end of the tab is connected to the sheet-like current collector.

Abstract: A power module assembly is disclosed and includes a package body, a first wiring layer, a capacitor, and a system bus set. The package body includes a first surface, a second surface and two switches connected in series to form a bridge arm between the first surface and the second surface. The first wiring layer is disposed on the first surface. The capacitor is connected in parallel with the bridge arm to form a first high-frequency loop. The system bus set includes a positive-electrode bus and a negative-electrode bus fanned out from the first surface, respectively. The projection of the positive-electrode bus or/and the negative-electrode bus on the first surface is at least partially overlapped with the projection of the two switches on the first surface. The bridge arm is electrically connected between the positive-electrode bus and the negative-electrode bus to form a second high-frequency loop.

Abstract: A carrier board and a power module using the same are disclosed. The carrier board includes a main body, two metal-wiring layers and at least one metal block. The main body includes at least two terminals and a surface. The two terminals are disposed on the surface. The two metal-wiring layers are disposed on the main body to form two parts of metal traces connected to the two terminals, respectively. The at least one metal block is embedded in the main body and connected to one of the two terminals. A thickness of the two parts of metal traces is less than that of the metal block. The two terminals connected by the two parts of metal traces have a loop inductance less than or equal to 1.4 nH calculated at a frequency greater than 1 MHz.

Abstract: A magnetic element includes a magnetic core assembly and a winding assembly. The magnetic core assembly includes a first magnetic part and a second magnetic part arranged independently. The winding assembly includes a first winding. The first winding is wound around the first magnetic part. Moreover, at least a portion of a substrate is formed as the first winding. The substrate includes a first accommodation space, a second accommodation space and a first metal structure. Moreover, at least a portion of the first metal structure is formed as at least a portion of the first winding. At least a portion of the first magnetic part and at least a portion of the second magnetic part are disposed within the first accommodation space and the second accommodation space, respectively. The substrate has an integral structure.

Abstract: A terahertz material for emission reduction and fuel saving of gasoline vehicles and its preparation method and application, includes the following raw materials in parts by weight: 20˜35 SiOx, 3˜15 Al2O3, 25˜45 SiO2, 15˜25 Fe2O3, 20˜40 ochre, 0.5˜2 barium tungstate, 15˜25 CaCO3, wherein a preparation methodincludes: mixing the component raw materials according to the above ratio; after crushing, performing heating to 600˜1,200° C. in an oxygen-free environment, maintaining the temperature for 3˜8 hours, and then performing crushing for the second time; and performing enhancement processing with terahertz irradiation rays at 10 mW to 100 W for 5 seconds to 1 hour to obtain a terahertz material, wherein the terahertz material improves combustion efficiency by increasing the molecular activity of gasoline and air participating in combustion work and reducing molecular groups, and has the effects of emission reduction, energy saving and improving power.