3results about How to "Reduce desorption" patented technology

The invention, which relates to the technical field of electrical element manufacturing, discloses a bionic dry adhesion mechanism comprising a rack and two adhesion mechanisms arranged symmetrically. The adhesion mechanism comprises a tangential micro-displacement mechanism, a moving seat, a sensing assembly and an adhesion pad; the tangential micro-displacement mechanism is arranged on the rack; the output end of the tangential micro-displacement mechanism can drive the moving seat to be close to or far away from the other adhesion mechanism; the sensing assembly comprises a force sensing element and a distance sensing element; the force sensing element is fixedly arranged at the lower end of the movable seat; the distance sensing element is fixedly arranged at the lower end of the force sensing element; the adhesion pad is fixedly arranged below the distance sensing element; an array type wedge-shaped bristle bundle used for adhering a target object is fixedly arranged on the adhesion pad; the force sensing element can sense tangential force and normal force; the direction of the tangential force is parallel to the adhesion surface of the adhesion target object, and the normal force is perpendicular to the adhesion surface of the adhesion target object. Flexible adhesion to the target object can be achieved, the adhesion effect is guaranteed, and the carrying safety of the target object is improved.

The invention belongs to the field of membrane separation, and particularly relates to a polymer membrane for an azeotropic mixture and a preparation method of the polymer membrane. Preparing porous nano silica sol; fully infiltrating the porous nano-silica sol and a cross-linking agent into the separation layer, and cross-linking to obtain the porous nano-silica gel. The method can be used for separating the azeotropic mixture of the methanol and the hydrophobic organic matter with the kinetic diameter larger than that of the methanol, and has a specific adsorption tendency to formaldehyde.

The application discloses a kind of composite lithium metal negative electrode material and preparation method thereof, it is related to electrochemical energy storage technical field, the method comprises: the three-dimensional porous carbon framework of pore size 50 to 500 nanometers is constructed, and 2 to 10 nanometer nitrogen-doped carbon layer is coated on its inner wall;Metal lithium is fused with lithium nitride to form lithium-rich melt;Capillary force is used to make molten lithium infiltrate into framework channel, in-situ generation and C-Li-N gradient interface phase;Lithium directional solidification is realized by programmed temperature cooling;Surface deposition 50 to 150 nanometer amorphous aluminum oxide passivation layer;Again, the final material is obtained by aging treatment.The application realizes lithium uniform loading, interface high ionic conductivity, structural integrity and high safety by the above technical scheme, significantly inhibits lithium dendrite growth, improves cycle stability and energy density consistency.