5results about How to "Avoid contact failure" patented technology

The application discloses a niobium-based compound / silicon-carbon composite material and a preparation method and application thereof, and belongs to the technical field of lithium ion batteries.The composite material comprises a silicon-based material, a plurality of niobium-based compound particles anchored on the outer surface of the silicon-based material, and a carbon nano layer coated on the outer surfaces of the silicon-based material and the plurality of niobium-based compound particles.The composite material is realized by using a simple, convenient and industrialized production liquid phase method.The composite material obtained by the preparation method effectively alleviates the volume expansion of the silicon-based material and avoids the problem of niobium-based compound falling off, and when the composite material is applied to a lithium ion battery as a negative electrode material, excellent rate performance and cycle stability are exhibited.

The utility model relates to a kind of projector device of built-in television stick Dongle, comprising: shell, its inside is equipped with the installation slot for accommodating television stick Dongle;Mainboard is fixed in the shell, its edge is provided with HDMI terminal, the plug interface of the HDMI terminal is directly opposite the lateral opening of the installation slot;The side wall of the installation slot is equipped with rib, the rib is configured to make the HDMI interface of television stick Dongle and the fixed structure of mainboard HDMI terminal after wirelessly plug-in;Box cover is locked by screw in the top of the shell, television stick Dongle is enclosed in the installation slot.By canceling all connecting wires and ATV adapter board, the HDMI interface of television stick Dongle and mainboard HDMI terminal are designed as the physical straight insertion structure without intermediary, ensure signal stable and reliable and connection firmness.

The invention discloses a modified positive electrode material and a preparation method thereof, a composite positive electrode material and an all-solid-state battery, and belongs to the technical field of batteries. The modified positive electrode material comprises a positive electrode core, a first coating layer and a second coating layer, the surface of the inner core is coated with the first coating layer, and the surface of the first coating layer is coated with the second coating layer; the first coating layer is lithium niobium oxychloride halide, and the second coating layer is lithium zirconium oxychloride halide. The lithium niobium oxychloride halide electrolyte of the inner coating layer of the modified positive electrode material has relatively high ionic conductivity (greater than 10ms / cm), the rate capability of the positive electrode material can be improved, an electrochemical window exceeds 4V, and the modified positive electrode material can be adapted to a high-voltage high-nickel positive electrode material; the material lithium zirconium oxychloride halide of the outer coating layer also has an electrochemical stability window greater than 4V, and has relatively high room-temperature ionic conductivity (greater than 2ms / cm); the modified positive electrode material has relatively low internal resistance and relatively good electrochemical performance.

This invention relates to the field of display technology and discloses a method for fabricating a privacy display device, the privacy display device itself, and a terminal device. The method includes: providing a substrate layer, the substrate layer comprising a substrate, a thin-film transistor layer, and a pixel definition layer stacked from bottom to top, the pixel definition layer including a plurality of first through-holes and a plurality of second through-holes, an anode layer disposed within the first through-holes; forming a first electrode layer on the pixel definition layer, the first electrode layer being located in the second through-holes and electrically connected to the thin-film transistor layer; forming an electrochromic layer on the side of the first electrode layer away from the substrate; forming a pixel light-emitting unit on the side of the anode layer away from the substrate; forming a transparent cathode layer on the pixel light-emitting unit and the electrochromic layer, the transparent cathode layer including a second electrode layer electrically connected to the electrochromic layer and a third electrode layer electrically connected to the pixel light-emitting unit; and forming an encapsulation layer encapsulating the transparent cathode layer. This invention not only eliminates optical moiré patterns and improves light transmittance but also reduces production costs.

The present application relates to the technical field of module interconnection, and in particular to a flexible floating tolerance compensation method and connector for interconnection between modules, the compensation method comprising determining a cumulative deviation abnormal state of a module interconnection interface based on cumulative deviation vectors of all flexible floating connectors in an interconnection process; determining a key compensation target connector according to a comprehensive deviation vector of a single flexible floating connector; adjusting a preset state or interconnection sequence based on a distribution state of the key compensation target connector; adjusting a global interconnection strategy according to a deviation vector feature of the key compensation target connector, or adjusting interconnection pressure of an interconnection partition based on a gradient and distribution uniformity of a stress concentration coefficient of a stress distribution map, so as to complete docking of all flexible floating connectors. The flexible floating connector comprises a first outer conductor, a second outer conductor, an axial spring, a spacer and a spring piece. The present application improves assembly reliability in a large-scale interconnection scenario.