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48results about How to "Guaranteed thickness consistency" patented technology

Formation method of soft package lithium ion battery

ActiveCN108598581AClosely spaced and consistentGuaranteed shuttle distanceFinal product manufactureElectrolyte accumulators manufactureElectrical batteryHigh energy
The invention provides a formation method of a soft package lithium ion battery, and belongs to the technical field of lithium ion battery manufacturing. By the formation method, the problems that howgas in the soft package lithium ion battery is effectively discharged and the formation of a more compact and stable SEI film is facilitated are solved. The formation method of the soft package lithium ion battery comprises the steps of performing pre-charging formation, secondary vacuumizing and small-current charging formation on the lithium ion battery, before pre-charging formation, performing primary vacuumizing on the lithium ion battery subjected to liquid injection and being immersed at a normal temperature to preset vacuum, performing vacuum thermal package, performing primary front-surface and back-surface rolling on the lithium ion battery after vacuum hot sealing by a rolling device, performing high-temperature immersion, reducing a temperature to a room temperature, and performing secondary front-surface and back-surface rolling on the lithium ion battery after vacuum hot sealing by a rolling device between secondary vacuumizing and small-current formation. By the method,the more compact and stable SEI film is formed on a surface of a lithium ion battery negative electrode in a high-energy consumption mode in a more stable and safer environment, so that the performance of all aspects of the lithium ion battery is improved.
Owner:ZHEJIANG FOREVER NEW ENERGY TECH CO LTD +1

Non-dismantling die cast-in-place lightweight thermal insulation wall formboard, thermal insulation wall and construction method thereof

Disclosed are a non-dismantling die cast-in-place lightweight thermal insulation wall formboard, a thermal insulation wall and a construction method thereof. The formboard comprises an inner formboard unit, an outer formboard unit and opposite-drawing connectors connecting the formboard units; the inner formboard unit comprises a formboard frame, steel bar grid frames connected between inner circles of the formboard frame, steel bar clamps connected to the cross points of the steel bars of the steel bar grid frames and a formboard core filling the inner side of the formboard frame; the inner formboard unit and the outer formboard unit are the same in structure and are connected at two ends of the opposite-drawing connector symmetrically; the steel bar clamps of the inner formboard unit and outer formboard unit are corresponded horizontally and are connected through the opposite-drawing connectors. The thermal insulation wall is simple in structure, by means of the double-layer wall formboard, the wall thickness consistence is guaranteed, the strength performance requirements are met, the thermal insulation wall is convenient to construct, the matching bar, core column and tie beam arrangement procedures are omitted, construction cost is lowered, constructing efficiency is improved, and the formboard can widely applied to wall construction.
Owner:北京振利节能环保科技股份有限公司

Method for continuously coating high-viscosity sizing agent used for preparing positive pole piece of lithium-manganese primary cell

The invention provides a method for continuously coating a high-viscosity sizing agent used for preparing a positive pole piece of a lithium-manganese primary cell, wherein thermally treated electrolyzed manganese dioxide is mixed with a conductive black, then deionized water or distilled water containing a polar alcohol solvent is added for continuous mixing to obtain a wet mixture, then an aqueous solution of a binder commonly used by a lithium battery is added for continuous mixing to obtain the high-viscosity sizing agent, the high-viscosity mixed sizing agent is prepared into particles, is rolled by a coating roller into a continuous piece, and is bonded on the two sides of a current collector after being rolled, so that a positive pole material piece with uniform thickness is continuously prepared, and the required positive pole piece can be obtained after the processes of drying, rolling, cutting and clearing the powder. According to the method for continuously coating the high-viscosity sizing agent used for preparing the positive pole piece of the lithium-manganese primary cell, the production efficiency and the production consistency are improved, the uniformity of the thickness of the material piece is guaranteed, and the performance of the pole piece is improved.
Owner:中国兵器工业第二一三研究所

Electrode assembly and electrochemical device

PendingCN113826240AImprove undervoltage problemReduce the risk of Lithium analysis problemsFinal product manufactureNon-aqueous electrolyte accumulator electrodesChemistryComposite material
The invention provides an electrode assembly. The electrode assembly comprises a positive plate, a negative plate, an isolating membrane and a positive tab, the positive plate comprises a positive current collector and a positive active material layer arranged on the surface of the positive current collector, the negative plate comprises a negative current collector and a negative active material layer arranged on the surface of the negative current collector, and the isolating membrane is arranged between the positive plate and the negative plate. A first groove is formed in the positive electrode active material layer, and one end of the positive electrode tab is arranged in the first groove and is electrically connected with the positive electrode current collector. The negative active material layer is provided with a second groove, the second groove corresponds to the first groove, the second groove extends to the negative current collector along the thickness direction of the electrode assembly, and first protection glue is arranged in the second groove, so that the thickness consistency of the groove and the pole piece main body area is ensured; the under-voltage problem at the tab position is improved, and the short-circuit risk is reduced. The invention further provides an electrochemical device with the electrode assembly.
Owner:NINGDE AMPEREX TECH

Adjustable paste box

The invention discloses an adjustable paste box, and belongs to the field of coating method research. The adjustable paste box comprises a shell, material collecting mechanisms, two rubber pads, an adjusting mechanism and two scrapers; the shell is in a cuboid shape, a concave cavity is formed in the top surface of the shell, the shell comprises two identical sub-shells, each sub-shell comprises abottom plate, side plates and two mutual paralleled vertical plates, wherein the side plates and the two vertical plates are vertically arranged on the bottom plate, the side plates are vertically connected with any vertical plate, and a clamping mechanism is arranged between the two vertical plates forming the side faces of the shell; the material collecting mechanisms are arranged inside the shell; the two rubber pads are arranged, the cross sections of the rubber pads are in U shapes, and the two rubber pads are arranged between the two sub-shells; the adjusting mechanism is provided withguide rails and sliding blocks, and the guide rails are fixedly arranged at the top of the shell; and the two scrapers are symmetrically arranged on two sliding blocks, and the scrapers are arranged in parallel with the middle section parts of the rubber pads. The adjustable paste box is simple in structure and convenient to operate, the contact area between paste liquid and a pole piece can be ensured, and then the coating quality of the pole piece is guaranteed.
Owner:INNER MONGOLIA UNIV OF SCI & TECH

PVC (Polyvinyl Chloride) sheet coated with ASA (Acrylonitile Styrene Acrylate) film and film coating method

The invention belongs to the technical field of plastic processing and forming, and particularly relates to a PVC (Polyvinyl Chloride) sheet coated with an ASA (Acrylonitile Styrene Acrylate) film and a film coating method. The method comprises the following steps: acquiring the ASA film; fixing the ASA film on a film coating rack device, using the double-roller pressing and coating technique to thermally press and adhere the ASA film to the surface of the PVC sheet extruded from an extruding die head, and obtaining a prefabricated product of the PVC sheet coated with the ASA film, wherein the temperature of the PVC sheet is 100-250 DEG C; and dragging the prefabricated product of the PVC sheet coated with the ASA film to a forming machine, and conducting compression molding. The ASA film is firmly adhered to the PVC sheet through the temperature of the just extruded PVC sheet, the double-roller embossing and the subsequent compression molding pressure, so that the consistency and the evenness of the thickness of the ASA film are guaranteed effectively, the service life of the product is prolonged, and moreover, the time is saved, the production efficiency is improved, and the purposes of saving energies and reducing consumption are fulfilled.
Owner:SHENZHEN YICAIHONGXIANG NEW MATERIALS TECH CO LTD

Improved smectic phase light dimming glass

The invention discloses improved smectic phase light dimming glass which comprises a first substrate layer, a liquid crystal mixed layer and a second substrate layer in an overlapped manner, wherein a surface, facing to the liquid crystal mixed layer, of the first substrate layer, and a surface, facing to the liquid crystal mixed layer, of the second substrate layer are both plated with flaky and long-strip shaped transparent electrodes; a plurality of electrode wires of which the resistance is smaller than that of the transparent electrode and current rapidly flowing through the electrode wires self can be rapidly spread to the transparent electrodes are uniformly distributed on the transparent electrodes; all electrode wires of each transparent electrode are connected with an extraction electrode; protecting layers are arranged on two surfaces of the liquid crystal mixed layer. Due to arrangement of the low-resistance electrode wires and design of the protecting layers, the problem of high-energy consumption of large-size high-resistance light dimming glass in the driving signal transmission process can be effectively solved, the problem of electrochemical corrosion in image display is solved, the image display effect of the light dimming glass is improved, and the service life of the light dimming glass is prolonged.
Owner:重庆汉朗精工科技有限公司

Microwave type intelligent grain moisture detector

The invention belongs to the field of moisture detection instruments, and particularly relates to a microwave type intelligent grain moisture detector. The microwave type intelligent grain moisture detector comprises a rack, a motor, a gearbox, a No.1 conveying belt, a guide plate, a No.2 conveying belt, a leveling unit and a measuring unit; the motor is arranged at the rear portion of the rack; the No.1 conveying belt is arranged on the rack; the motor drives the No.1 conveying belt to rotate through the gearbox; one side, far away from the motor, of the No.1 conveying belt is provided with the No.2 conveying belt; the arc-shaped guide plate is arranged between the No.1 conveying belt and the No.2 conveying belt; the right side of the No.2 conveying belt is provided with the leveling unit which is used for leveling the grain thickness; and the right side of the leveling unit is provided with the measuring unit, and the measuring unit is used for measuring the grain moisture content. According to the invention, the grains on the No.1 conveying belt are divided onto the No.2 conveying belt and a No.3 conveying belt through the guide plate, a scraping plate scrapes redundant grains off the No.3 conveying belt, the thickness consistency of the grains detected by the measuring unit is guaranteed, and the grain moisture detection precision is improved.
Owner:安徽天德智能装备制造有限公司

Ultrahigh molecular weight polyethylene plate production method

The invention discloses an ultrahigh molecular weight polyethylene plate production method. Two metal sheets are placed between an upper mould pressing cover and a lower mould pressing cover on a mould pressing machine, a high-temperature-resistant elastic rubber layer plate is placed between the two metal sheets at the same time, a mixture containing ultrahigh molecular weight polyethylene powderis filled between the upper mould pressing cover and the metal sheet on the upper layer so as to be pressed, and the elasticity of the elastic rubber layer is utilized for improving the extrusion stress of the mixture in the pressing process, so that the extrusion stress on the ultrahigh molecular weight polyethylene powder is consistent, and finally an ultrahigh molecular weight polyethylene plate with uniformly distributed powder is obtained through pressing. By adopting the method, a product blank is effectively prevented from deviating and a sheet material is prevented from becoming warped during production, so that the thickness uniformity and the density consistency of the sheet material are ensured, the product has a high physical property, meanwhile, the mould pressing process conditions and parameters of the ultrahigh molecular weight polyethylene thin plate are improved, and the defects that the ultrahigh molecular weight polyethylene thin plate products are non-uniform in thickness and inconsistent in density, and dark and light spots appear under light are effectively overcome.
Owner:江苏明珠硅橡胶材料有限公司

Preparation method of releaser for alkali metal releasing agent

The invention discloses a preparation method of a releaser for an alkali metal releasing agent, which comprises the following steps: (1) cleaning and drying a nichrome tube, wherein the outer diameterof the nichrome tube is 4.0-7.0 mm, and the wall thickness is 0.05-0.10 mm; (2) uniformly mixing high-purity alkali metal salt and reducing agent powder by using a powder mixing device, and filling the mixed powder into a nickel-chromium alloy tube; (3) cold drawing the nickel-chromium alloy tube after filling powder, and drawing the nickel-chromium alloy tube until the outer diameter is 1.0-1.5mm and the wall thickness is 0.03-0.06 mm, and the required pass is 8-40; (4) laser drilling under the protection of inert gas; (5) cutting the main body part of the releasing agent; (6) connecting the two ends of the main body part with end electrodes; (7) and vacuum packaging the prepared releaser. The preparation method of the releaser for the alkali metal releasing agent can improve the production efficiency of the releaser used by the alkali metal releasing agent, and significantly improve the performance consistency and the stability of the releaser of the releasing agent, thereby ensuring the thickness consistency of the releasing agent film on the surface of the photocathode and the consistency and the stability of the performance of the photocathode.
Owner:GRIMAT ENG INST CO LTD

Technology for forming oxidation films with consistent thickness

The invention discloses a technology for forming oxidation films with consistent thickness. The technology comprises the following steps: (1) uniformly spot-welding a sintered tantalum anode block on a conductive metal bar; (2) placing a bracket with the conductive metal bar in an electrolytic cell; (3) manufacturing a lead frame in a shape of a Chinese character 'wang'; (4) placing the lead frame in the shape of the Chinese character 'wang' on the bracket in a superposed manner and compactly contacting with the metal bar spot-welded with the tantalum anode block; (5) connecting the anode of a power supply to the central position of the lead frame in the shape of the Chinese character Wang, and connecting the cathode of the power supply to the electrolytic cell; and (6) connecting the power supply for medium film forming treatment. The technology provided by the invention has the beneficial effects that the lead frame is manufactured by using a lead, so that the voltage difference between the output end of the power supply and the metal anode block of a valve is effectively reduced, the voltage applied to the anode block is guaranteed, and meanwhile, a current is applied from a terminal of a center shaft of the lead frame in the shape of the Chinese character 'wang', so that the paths of the current flowing to all directions are same, the electric field intensity is uniform, and the consistency of thickness of the generated oxidation films is guaranteed.
Owner:CHINA ZHENHUA GRP XINYUN ELECTRONICS COMP ANDDEV CO LTD

Gas injection device of semiconductor heat treatment equipment and semiconductor heat treatment equipment

The invention provides a gas injection device of semiconductor heat treatment equipment and the semiconductor heat treatment equipment. The device comprises a gas inlet pipe, wherein a first pipe section comprises a first pipe wall and a second pipe wall nested in the first pipe wall, and a buffer space is formed between the inner wall of the first pipe wall and the outer wall of the second pipe wall; a plurality of first gas holes are uniformly distributed in the first pipe wall in the vertical direction, and the first gas holes are communicated with the buffer space and a process chamber respectively; a plurality of second gas holes are formed in the second pipe wall, and the second gas holes are communicated with the interior of the second pipe wall and the buffer space respectively; and the change rule of the inner diameter of the second pipe wall in the vertical direction and/or the arrangement rule of the plurality of second gas holes meet the requirement that the gas output of process gas flowing into the buffer space through the plurality of second gas holes at different positions in the vertical direction is the same. According to the technical scheme, different wafers can obtain uniform gas amount, and then the thickness uniformity of wafer film forming and the consistency of process results can be guaranteed.
Owner:BEIJING NAURA MICROELECTRONICS EQUIP CO LTD

Formwork-free cast-in-place lightweight thermal insulation wall formwork, thermal insulation wall and construction method thereof

Disclosed are a non-dismantling die cast-in-place lightweight thermal insulation wall formboard, a thermal insulation wall and a construction method thereof. The formboard comprises an inner formboard unit, an outer formboard unit and opposite-drawing connectors connecting the formboard units; the inner formboard unit comprises a formboard frame, steel bar grid frames connected between inner circles of the formboard frame, steel bar clamps connected to the cross points of the steel bars of the steel bar grid frames and a formboard core filling the inner side of the formboard frame; the inner formboard unit and the outer formboard unit are the same in structure and are connected at two ends of the opposite-drawing connector symmetrically; the steel bar clamps of the inner formboard unit and outer formboard unit are corresponded horizontally and are connected through the opposite-drawing connectors. The thermal insulation wall is simple in structure, by means of the double-layer wall formboard, the wall thickness consistence is guaranteed, the strength performance requirements are met, the thermal insulation wall is convenient to construct, the matching bar, core column and tie beam arrangement procedures are omitted, construction cost is lowered, constructing efficiency is improved, and the formboard can widely applied to wall construction.
Owner:北京振利节能环保科技股份有限公司
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