3results about How to "Electrochemically active" patented technology

This invention discloses a composite cathode material for lithium-ion batteries and its preparation method, belonging to the field of lithium-ion battery technology. The chemical formula of the composite cathode material is A. 1₋δ B δ 0

A kind of sensing yarn, textile component and its preparation method belong to medical health monitoring field, sensing yarn includes core layer and coating covering core layer, coating includes biological recognition element and electronic medium body.The textile component includes the textile component main body formed by weft integrated weaving, the textile component main body includes sensing area, non-sensing area and integrated area;At least one sensing component is provided in the sensing area, the sensing component includes at least two conductive fibers, the conductive fibers are introduced into the textile component by laying-in process, and are fixed by covering and fixing of the loop of the textile component, the conductive fibers extend from sensing area to non-sensing area, and converge in the integrated area.The present application fundamentally solves the technical problems of traditional fabric sensor, such as easy to fall off, not durable, uncomfortable to wear and unstable signal, by deep combination of yarn functionalization and structural weaving, and provides a non-invasive, comfortable, reliable and suitable for long-term use of blood glucose trend monitoring solution.

The application relates to a composite positive electrode material, a preparation method and a full-solid-state lithium selenium battery, which comprises the following steps: under the condition that the ball milling speed is 300 rpm-700 rpm and the ball milling time is 15 h-25 h, raw materials are subjected to ball milling treatment, so that the raw materials react in situ to generate an interface layer, and a composite positive electrode material is obtained; the raw materials comprise a positive electrode active substance, a Se-containing argyrodite solid-state electrolyte and a conductive agent; the positive electrode active substance comprises at least one of Se single substance and porous carbon loaded Se single substance, and the interface layer comprises a LiPSe compound. The application can solve the problems of poor interface stability and insufficient ion and electron conduction performance caused by solid-solid interface contact in the positive electrode material in the related art, and improves the energy density, rate, cycle life and other performances of the battery.