Abstract: Disclosed herein are a microwave ferrite material, a preparation method therefor and an application thereof. According to the microwave ferrite material, Y and Zr are partially replaced with Ca, Fe is partially replaced with Al, and the properties of Ca, Y, Zr, V, Al, and Fe are utilized to make the obtained microwave ferrite material have a proper saturation magnetization, ferromagnetic resonance linewidth, and Curie temperature. At the same time, by using a specific amount of V and Al to cooperatively add, it is ensured that the obtained microwave ferrite material has a loss of no more than 0.5 dB within a temperature range of ?55° C. to 125° C. and a frequency band range of 700 MHz to 5 GHz, so that the microwave ferrite material has the characteristics of low loss, high Curie temperature, and low magnetic moment, and the requirements of miniaturization, low loss, and wide frequency of an isolator and a circulator can be realized.

Abstract: Disclosed are a microwave ferrite material for a miniaturized circulator, and a preparation method therefor. The microwave ferrite material has a garnet structure as a main phase, and has a chemical formula as follows: Y3-aCaaZrbVcFe5-b-cO12. The preparation method comprises: mixing raw materials according to a stoichiometric ratio to obtain a raw material mixture; performing first wet ball milling on the raw material mixture to obtain a first slurry; sequentially drying and pre-sintering the first slurry to obtain first powder; performing second wet ball milling on the first powder to obtain a second slurry; sequentially drying and granulating the second slurry to obtain second powder; and sequentially forming and sintering the second powder to obtain a microwave ferrite material.

Abstract: Disclosed are a microwave ferrite material suitable for a 5G radio frequency device and a preparation method therefor. The preparation raw materials of the microwave ferrite material comprise a first microwave ferrite material and a second microwave ferrite material. In the microwave ferrite material provided by the present application, a double-component formula is introduced, proper ion substitution is employed, and ball milling and sintering processes are controlled, and therefore, the prepared microwave ferrite material has the characteristics of high saturation magnetic moment, high Curie temperature, narrow linewidth and low loss, and can be applied to industrial large-scale production of 5G radio frequency devices.

Abstract: The present invention concerns a lithium metal electrode, in particular for a lithium ion battery, comprising a three-dimensional network of metal fibers, wherein the metal fibers are directly in contact to one another, wherein the metal fibers have a thickness and/or width in the range of 0.25 to 200 ?m, and wherein metallic lithium is provided on the surface of the metal fibers of the tree-dimensional network of metal fibers. Further, the present invention concerns a Method of manufacturing a lithium metal electrode, wherein the method comprises the steps of a) providing a three-dimensional network of metal fibers, wherein the metal fibers are directly in contact to one another, wherein the metal fibers have a thickness and/or width in the range of 0.25 to 200 ?m; and b) providing a layer of metallic lithium on the fibers of the three-dimensional network of metal fibers.

Abstract: A microwave ferrite material for a third-order intermodulation circulator and a preparation method therefor, the chemical formula being Y3-aCaaSnaInbMncFe5-a-b-cO12, 0.1?a?0.3, 0.01?b?0.1, 0.001?c?0.1. The preparation method comprises the following steps: (1) weighing; (2) first ball milling; (3) drying and preheating; (4) second ball milling; (5) granulation; and (6) post-treatment. The microwave ferrite material reduces the intermodulation interference between combined signals, and further improves the performance of communication systems and the coverage and capacity of networks. At the same time, it is ensured that the stability and repeatability of the preparation process are maintained at a good level, being suitable for mass production applications.

Abstract: The present application provides a high-saturation and low-loss bi-component microwave ferrite material, and a preparation method therefor and the use thereof. The high-saturation and low-loss bi-component microwave ferrite material comprises a first microwave ferrite material and a second microwave ferrite material. The preparation method comprises the following steps: (1) mixing a first microwave ferrite material with a second microwave ferrite material according to the formula amounts, and then performing wet ball milling to obtain a ball-milled material; (2) drying the ball-milled material obtained in step (1), and sieving and then granulating same; and (3) sequentially forming and sintering the granulated particles obtained from step (2) to obtain a high-saturation and low-loss two-component microwave ferrite material.

Abstract: The present invention relates to an electrode for a mono- or multivalent ion battery, comprising a three-dimensional network of metal fibers, wherein the metal fibers are directly in contact to one another, and an active material, wherein the network of metal fibers has a thickness in the range of 200 ?m to 5 mm. Further, the present invention relates to a battery comprising the electrode of the present invention and to an electric vehicle, comprising the battery of the present invention.

Abstract: The present invention relates to a method for optimizing material properties of components of a battery comprising the following steps: Inputting material parameter data, with said material parameter data relating to properties of constituents of the components of the battery; simulating one or more components and/or constituents of components of the battery using a simulation model which takes the material parameter data as input to generate simulation result data as output, with the simulation result data comprising at least one of the following data: data on microscopic geometric features of the component, data on a conductivity of the component, data on a current collector, data on a binder phase, data on a diffusivity of the electrolyte and data on a charging and discharging potential of the component; training an AI model with the material parameter data as input and the simulation result data as output; evaluating a final accuracy of the AI model with respect to the simulation model using extended mate

Abstract: A two-component microwave ferrite material, a preparation method therefor and an application thereof. The two-component microwave ferrite material comprises a first microwave ferrite material and a second microwave ferrite material. The preparation method comprises the following steps: (1) mixing a first microwave ferrite material and a second microwave ferrite material according to a formula amount, and then performing wet ball milling to obtain a ball abrasive; (2) drying the ball abrasive, sieving, and granulating; and (3) sequentially forming and sintering the granulated particles obtained in step (2) to obtain a two-component microwave ferrite material.

Abstract: The present disclosure is directed to systems and methods for providing improved tools (e.g., user interfaces) that can be used for managing access permissions to cloud or other network resources. In general, the systems and methods include providing a user interface that can function in at least two modes which together can provide an improved user experience for intuitively and effectively developing code. As an example, the two interface modes can include a builder mode in which the user interface includes one or more interactive elements that enable a user to modularly build a set of computer-readable code that controls access permissions to one or more computing resources and an editor mode in which the user interface allows the user to directly edit the set of computer-readable code.

Abstract: The present disclosure is directed to systems and methods for providing improved tools (e.g., user interfaces) that can be used for managing access permissions to cloud or other network resources. In general, the systems and methods include providing a user interface that can function in at least two modes which together can provide an improved user experience for intuitively and effectively developing code. As an example, the two interface modes can include a builder mode in which the user interface includes one or more interactive elements that enable a user to modularly build a set of computer-readable code that controls access permissions to one or more computing resources and an editor mode in which the user interface allows the user to directly edit the set of computer-readable code.

Abstract: A method of preparing an organotin containing hyperbranched polysiloxane structure includes the following steps: (1) by weight, 0.5-1.5 portions of hyperbranched polysiloxane with reactive functional groups is dissolved in 50-100 portions of an alcohol solvent, to obtain a solution A; (2) by weight, 0.5-0.9 portions of a tin-based initiator and 50-100 portions of the alcohol solvent are mixed to obtain a solution B, wherein said tin-based initiator is selected from dihydroxy butyl tin chloride, butyl tin trichloride, and dibutyl tin dichloride; and (3) dropping the solution B into the solution A at the temperature of 0° C.-60° C., reacting for 3-6 h, filtering and drying to obtain the organotin containing hyperbranched polysiloxane structure.

Abstract: A method of preparing an organotin containing hyperbranched polysiloxane structure includes the following steps: (1) by weight, 0.5-1.5 portions of hyperbranched polysiloxane with reactive functional groups is dissolved in 50-100 portions of an alcohol solvent, to obtain a solution A; (2) by weight, 0.5-0.9 portions of a tin-based initiator and 50-100 portions of the alcohol solvent are mixed to obtain a solution B, wherein said tin-based initiator is selected from dihydroxy butyl tin chloride, butyl tin trichloride, and dibutyl tin dichloride; and (3) dropping the solution B into the solution A at the temperature of 0° C.-60° C., reacting for 3-6 h, filtering and drying to obtain the organotin containing hyperbranched polysiloxane structure.