8results about How to "Reduce free" patented technology

The utility model provides a coating gasket assembly and a coating device.The coating gasket assembly comprises a first gasket and a second gasket, the first gasket comprises a first main body, the first main body is provided with a first main flow channel and a first auxiliary flow channel, and the first main flow channel penetrates through the first main body at the first main discharging end; the first auxiliary runner penetrates through the first main body at the first auxiliary discharging end; the second gasket comprises a second main body, a second runner is arranged on the second main body, and the second runner penetrates through the second main body at the second discharging end; in the first direction, the interval between the first main discharging end and the first auxiliary discharging end is L1, the length of the first auxiliary discharging end is L2, the length of the first main discharging end is L3, the length of the second discharging end is L4, L3 is smaller than L4, and L4 is smaller than L1 + L2 + L3. The first gasket and the second gasket of the coating gasket assembly are matched for use, so that the stress of the negative pole piece can be improved during coating, and the use reliability of the battery monomer is improved. And moreover, the coated insulating material can provide insulation, is not easy to damage, and is small in coating amount.

The invention discloses a battery diaphragm, a preparation method thereof and a secondary battery. The battery diaphragm comprises a base membrane and a coating, wherein the coating is positioned on at least one surface of the base membrane; the coating comprises a polymer and an electrolyte; the electrolyte includes at least one additive. When the battery diaphragm is assembled into a battery, the high-temperature cycle retention rate and the high-temperature storage performance of the battery can be remarkably improved.

The utility model relates to electrochemical energy storage technical field discloses a kind of pole piece, electrochemical device and electronic equipment, pole piece includes current collector, active layer and first insulating coating, current collector includes current collector body and tab, tab extends from the edge of current collector body to outside side;At least one surface of tab along the thickness direction includes first area, and first area is connected to the edge of current collector body;At least one surface of current collector body along the thickness direction is coated with active layer;First insulating coating is coated in first area, and is connected to active layer, so as to be able to improve the problem of active layer powdering.

The invention discloses a chlorine-containing pyrolysis oil radial moving bed reaction adsorption dechlorination hydro-conversion method, and belongs to the technical field of chlorine-containing oil product hydrotreatment and refining. According to the method, chlorine-containing pyrolytic oil is sequentially subjected to fixed bed selective hydrogenation, radial moving bed reaction adsorption dechlorination and fixed bed deep hydrofining reactor treatment; the radial moving bed is filled with a core-shell structure reaction and adsorption integrated catalyst, the core is a hydrodechlorination active component, the shell mainly adopts zinc oxide to adsorb HCl and is fixed in situ, and meanwhile, online addition and discharge of the catalyst are realized through the radial moving bed. According to the invention, poisoning of chlorine to the catalyst is effectively inhibited, the corrosion risk of equipment is reduced, shutdown of the device is avoided, the dechlorination efficiency is improved, the continuous operation period is prolonged, efficient, stable and economical hydro-conversion of the chlorine-containing pyrolytic oil is realized, and the obtained product can be used as clean fuel oil or a chemical raw material.

The method for preparing simulated stone by using chrome leather ash comprises the following steps: evenly mixing the dried modified chrome leather ash, a cationic fixing agent and a starch waterproofing agent, pouring the mixture into a mold, removing bubbles and smoothing the surface; removing dust, grease, mildew and algae and other adhesions on the painted surface, keeping the surface clean, dry and firm, with a wall surface moisture content of less than 10% and a pH value of less than 10; selecting a matching plastering mortar to level the wall surface, usually 2 to 3 times, applying a special putty powder, usually 2 times, grinding the surface and cleaning the floating dust; spraying the real stone surface, applying an anti-alkali sealant by brushing, and controlling the surface primer of the simulated stone to about 1 mm to obtain the simulated stone, wherein the addition of the chrome ash will not reduce the properties of the simulated stone.

The application provides an electrolyte infiltration method. The electrolyte infiltration method comprises the following steps: S1, cooling a roasted battery cell; S2, placing the cooled lithium ion battery cell in a vacuum environment, and then introducing carbon dioxide gas; S3, introducing the battery cell into a liquid injection process, performing vacuum extraction treatment, and then performing liquid injection treatment; S4, pressure treatment; S5, vacuum extraction treatment; S6, repeating steps S4-S5 at least once; S7, introducing a protective gas to atmospheric pressure, adding a carbon dioxide additive to the battery cell after liquid injection, and obtaining an electrolyte-infiltrated battery cell. The electrolyte infiltration method provided by the application ensures that the electrolyte is fully infiltrated into the small pores inside the lithium ion battery, the infiltration time is short, high-temperature storage is not required, the production efficiency of the lithium ion battery is improved, and the electrochemical performance of the lithium ion battery is improved.

The invention relates to the technical field of non-woven fabric production, and discloses a preparation process of non-woven fabric capable of preventing fiber dissociation, a feeding device comprises a mounting frame and a feed mixing box rotationally connected in the mounting frame, and a feeding box and a feed mixing mechanism are arranged below the feed mixing box; the feeding and mixing mechanism is used for fully mixing non-woven fabric fibers and a hot melt adhesive, and according to the preparation process of the non-woven fabric capable of preventing fiber dissociation, quantitative non-woven fabric fiber raw materials and the non-woven fabric hot melt adhesive are put into the feeding and mixing box; a non-woven fabric fiber raw material and a non-woven fabric hot melt adhesive are fully mixed through a feeding mixing mechanism in a feeding mixing box, then the mixed raw material is introduced into a feeding box, and then mixed fibers are evenly distributed on a net forming conveying belt through a dispersing feeding mechanism in the feeding box to be formed.

The invention discloses a flame retardant self-adhesive waterproof coiled material binder and a preparation method thereof, belonging to the technical field of waterproof coiled materials. The binder comprises the following raw materials in parts by weight: 100-110 parts of type I waterproof coiled material asphalt, 5-8 parts of aluminum diethylphosphinate, 2-4 parts of modified montmorillonite, 12-16 parts of SBS, 15-20 parts of waste rubber powder, 16-20 parts of aromatic oil and 10-22 parts of tackifying resin. The preparation steps are as follows: heating the type I waterproof coiled material asphalt to 190-200 DEG C, adding the aromatic oil and stirring evenly, then cooling to 180-190 DEG C, adding SBS and heating to 190-200 DEG C, stirring for 1.5 hours, adding the tackifying resin and the waste rubber powder, keeping warm and stirring for 0.5 hours, then adding aluminum diethylphosphinate and modified montmorillonite, and keeping warm and stirring for 0.5 hours. According to the invention, diethylphosphinate and modified montmorillonite are added to the binder, so as to give the self-adhesive waterproof coiled material binder higher flame retardant performance and aging resistance.