2results about How to "Prevent co-embedding" patented technology

This invention discloses a dual-ion battery based on a MOF-on-MOF framework anode material and a high-concentration dual-lithium salt electrolyte. The invention prepares spherical graphene oxide-modified ZnMnBTC@ZIF-67MOF-on-MOF framework material (ZnMnGO-MOF@GO) via a simple hydrothermal reaction, using it as the anode material in conjunction with a graphite cathode and a dual-lithium salt electrolyte to design a high-performance dual-ion battery. This energy storage system utilizes widely available raw materials, has a simple synthesis method, and exhibits excellent cycle stability, capable of stable cycling for 7000 cycles, providing a new perspective for the design of high-capacity, large-scale-application dual-ion batteries.

The invention discloses a silicon-carbon composite particle, a preparation method and application thereof, the silicon-carbon composite particle comprises a silicon-carbon particle and an artificial SEI film, the artificial SEI film continuously and compactly coats the surface of the silicon-carbon particle, the D50 of the silicon-carbon composite material is 5-14 [mu] m, and the artificial SEI film material comprises at least one of F, O, C, S and N; a three-dimensional fibrous network structure capable of connecting the adjacent silicon-carbon composite particles exists between the adjacent silicon-carbon composite particles. The silicon-carbon composite particle comprises the artificial SEI film, volume expansion of silicon can be effectively relieved, the dynamic performance of the battery is improved, the cycle life of the battery is prolonged, and the first effect of the battery is improved.