4results about How to "Stable lattice structure" patented technology

This invention provides a silicon-based anode composite material, its preparation method, and its application. The silicon-based anode composite material comprises a silicon-based core, a boronoxy lattice stabilizer, and an inert material. At least a portion of the boronoxy lattice stabilizer is embedded in the lattice structure of the silicon-based core, and the inert material coats the surface of the silicon-based core. This invention helps improve the initial coulombic efficiency and cycle performance of the silicon-based anode composite material.

The invention relates to a ferroelectric device and a preparation method thereof. According to the preparation method of the ferroelectric device, the ferroelectric device comprises a ferroelectric layer, the ferroelectric layer is deposited by adopting a metal organic chemical vapor deposition process, the material of the ferroelectric layer comprises magnesium zinc oxide, the chemical formula of the magnesium zinc oxide is MgxZn1-xO, the value range of x is 0.1-0.6, the ferroelectric layer has a single lattice structure, and the lattice structure of the ferroelectric layer is a wurtzite structure. According to the technical scheme, phase separation of the ferroelectric layer in the ferroelectric device can be avoided, the growth rate of the ferroelectric layer can be increased, the large-area uniformity is improved, industrialization is facilitated, the crystal quality can be improved, and the defect density can be reduced.

The invention belongs to the field of ceramic materials, and particularly relates to potassium tantalate niobate ceramic and a preparation method thereof. The potassium tantalate niobate ceramic comprises the following components in parts by mass: a chemical formula of K1 + Z-YRuYTa (1-x) NbxO3, wherein X is greater than or equal to 0.38 and less than or equal to 0.42, Z is greater than or equal to 0.10 and less than or equal to 0.20, and Y is greater than or equal to 0.35 and less than or equal to 0.50. According to the ceramic and the preparation method thereof, the Ru element is introduced as a doping ion for the first time, comprehensive improvement of the potassium tantalate niobate ceramic in the aspects of insulativity, stability, manufacturability and environmental protection is achieved through the systematic design of element doping innovation, component parameter optimization and technological method cooperation, and remarkable technical progress and industrial application potential are achieved.

This application discloses a palladium-hydrogen rare earth nanoalloy material, its preparation method, and its application. The palladium-hydrogen rare earth nanoalloy material includes a carbon support and PdREH nanomaterials loaded on the surface of the carbon support. x Nanoparticles, PdREH x The nanoparticles comprise an alloy of Pd and rare earth elements (RE), and hydrogen embedded in the alloy lattice; wherein the rare earth element RE is one of Y, Ce, Sm, Gd, and Tb. This application constructs a nanoalloy material with a stable lattice structure and good hydrogen intercalation capability by forming an alloy of palladium and rare earth elements and further intercalating hydrogen. Simultaneously, by combining a carbon support with a two-step Joule thermal-hydrothermal preparation process, the composition and structure of the material can be controllably adjusted. This material exhibits excellent electrochemical response sensitivity, high ethylamine production capacity, and high Faradaic efficiency in the acidic electrocatalytic hydrogenation of acetonitrile to ethylamine reaction, making it suitable for low-resistance proton exchange membrane devices.