2results about How to "Porous" patented technology

The application discloses a modified diaphragm for lithium-sulfur batteries and a preparation process thereof. The modified diaphragm comprises a base diaphragm and a composite layer arranged on the surface of the base diaphragm. The composite layer is doped with nano metal oxide and cobalt nonasulfide. The application sets the composite layer on the base diaphragm. The composite layer is made of metal sulfide and metal oxide. The metal sulfide cobalt nonasulfide is arranged in an array on the surface of the base diaphragm. Since the metal sulfide has porosity and polarity, and the metal oxide has adsorption and catalytic properties, the two are combined. The physical barrier and chemical adsorption of the metal sulfide are utilized, the catalytic effect of the metal oxide is fully exerted, the mechanical stability is improved, the shuttle effect of polysulfide is effectively prevented, the prepared composite layer inhibits the shuttle effect, and the Coulomb efficiency and cycle life of the lithium-sulfur battery are improved.

This utility model relates to the field of drainage pipe technology, specifically to a hydraulic drainage pipe with a buffer function. It includes a drainage pipe comprising a first pipe and a second pipe horizontally fixedly connected at their ends; and a buffer assembly, which includes an annular plate disposed on the outer side of the second pipe, the diameter of which is larger than the diameter of the second pipe. Multiple mounting plates are disposed on the inner side of the annular plate, and buffer springs are fixedly connected to each of the mounting plates and the annular plate. The variable diameter design, the buffer assembly, and the synergistic effect of the foam layer effectively reduce the impact and wear of water flow on the pipe. The buffer assembly reduces the direct damage to the pipe from the impact force, and the foam layer reduces the wear of the pipe's inner wall caused by water flow scouring. These multiple protective measures together extend the overall service life of the pipe, ensuring stable and efficient operation, effectively mitigating water flow impact, reducing noise, and extending the pipe's service life.