153results about How to "Relieve deformation" patented technology

The invention provides a lithium-rich pole piece of a lithium ion battery and a preparation method thereof. The lithium-rich pole piece comprises a current collector, a diaphragm and a porous lithium piece, wherein the diaphragm contains an active material and is formed on the current collector; the diaphragm and the current collector form an initial pole piece; and the porous lithium piece covers the diaphragm, and the capacity of the porous lithium piece is matched with the capacity of lithium added to the anode. The preparation method comprises the following steps of: preparing a slurry from the active material, a conductive agent, an adhesive and a solvent, and then applying the slurry on the current collector and drying to obtain the initial pole piece, so that the slurry applied on the current collector becomes the diaphragm after being dried; punching a metal lithium piece to obtain the porous lithium piece, so that the capacity of the porous lithium piece is matched with the capacity of lithium added to the anode; and covering the diaphragm surface of the initial pole piece with the porous lithium piece, to obtain the lithium-rich pole piece of the lithium ion battery. According to the invention, the lithium amount added to the anode can be precisely controlled, the lithium adding uniformity is increased, the first coulombic efficiency, the energy density and the electrochemical properties of the battery are increased, battery deformation is alleviated, the process is simple, and the cost is low.

The invention belongs to the technical field of lithium ion batteries, in particular relates to a composite anode material for the lithium ion battery. The composite anode material comprises an anode active substance and a coating layer coated on the surface of the anode active substance, wherein the anode active substance can be Si, SiOx or silicon alloy, the coating layer is polymer which is of a reticular structure, and the mass percent of the coating layer accounts for 1-20% of the anode material. Compared with the prior art, the composite anode material has the advantages that the polymer which is of the reticular structure and used as the coating layer is coated on the surface of the active substance in a cross-linking manner, the coating layer has the electron conduction property and the ion conduction property, so that the situation that the lithium ions can be inserted into and separated from the anode active substance particles smoothly is ensured; furthermore, the coating layer is of the reticular structure and has good mechanical strength, and therefore, the integrality of the anode active substance particles can be kept in the electrochemical cycle process, the deformation of an anode strip is relieved, the electrochemical cycle performance of the lithium ion battery is improved and the service life of the lithium ion battery is prolonged.

A semiconductor device connecting structure for connecting a semiconductor IC 7 onto a substrate 13. A bonding layer 31 is placed between the substrate 13 and the semiconductor IC 7 to accomplish adhesion therein. This bonding layer includes an ACF 32 as a bonding material for joining said semiconductor IC 7 onto said substrate 13 and a space 33 formed within the ACF 32. Even if the IC 7 deforms due to heat or the like, the deformation is absorbed by the space a 33, whereupon the connecting conditions of bumps 28, 29 can not be unstable.

Provided is a nitride semiconductor light emitting element having improved optical output with improved qualities, such as crystal qualities, of a nitride semiconductor laminated on an AlN buffer layer. An AlN buffer layer (2) is formed on a sapphire substrate (1), and on the buffer layer, nitride semiconductors of an n-type AlGaN layer (3), an InGaN / GaN active layer (4) and a p-type GaN layer (5)are laminated in sequence. On the surface of the n-type AlGaN layer (3), an n-electrode (7) is formed, and on the p-type GaN layer (5), a p-electrode (6) is formed. The n-type AlGaN layer (3) operates as a clad layer for confining light and carriers. The AlN buffer layer (2) is manufactured by alternately supplying an Al material and an N material at a growing temperature of 900 DEG C or higher.

The invention discloses a display device and a making method thereof. The display device comprises a display panel, a cover plate and a glue layer between the display panel and the cover plate, wherein the cover plate is located on the light-exiting side of the display panel; the display panel comprises a display area, a high-light-permeability area and a non-display area, the display area surrounds the high-light-permeability area, and the non-display area surrounds the display area. The display panel comprises a first polarizer, a first through hole and a transparent filling body in the first through hole, wherein the first through hole runs through the first polarizer, the first polarizer is located on the side, close to the cover plate, of the display panel, and the first through holeis located in the high-light-permeability area. By means of the display device, the problems are effectively solved that part of area of the cover plate in a display device in the prior art is easilydeformed, and part of area of the display device yellows during display.

The invention relates to an MEMS micro-lens driven by three piezoelectric cantilever beams and a manufacturing method thereof and belongs to the technical field of piezoelectric MEMS appliance designs and integrated manufacturing. The MEMS micro-lens comprises a micro-reflecting mirror surface, the piezoelectric cantilever beams and arched bent elastic narrow beams, wherein each of the piezoelectric cantilever beams is formed by fixing a PZT driving membrane with more than 2 mu m thickness on the surface of a silicon cantilever beam; the three piezoelectric cantilever beams are connected with the micro-lens micro-reflecting mirror surface through three arched bent elastic narrow beams respectively; and the piezoelectric cantilever beams are distributed in a way that an included angle of 120 degrees is formed between every two piezoelectric cantilever beams. The manufacturing method comprises the following steps of: firstly, preparing a piezoelectric thick membrane on a substrate and etching piezoelectric cantilever beam patterns on the piezoelectric thick membrane; secondly, preparing a Au / Cr two-layer metal top electrode and a micro micro-reflecting mirror surface pattern on the PZT piezoelectric thick membrane; and finally, etching a Si substrate on the front and back faces so as to form the MEMS micro-lens driven by the three piezoelectric cantilever beams. The MEMS micro-lens has the advantages of many deflecting directions, strong driving force of the PZT thick membrane and low optical loss. The manufacturing process is compatible with the MEMS process, so that the MEMS micro-lens has the potential of mass production and can be widely applied in the field of optical communication.

The invention belongs to the technical field of aero-engines, and discloses a compressor blade machining method. The compressor blade machining method includes the steps that step 1, three-dimensionalmeasurement is carried out, specifically, a crest curve and a trough curve are built by extracting actual curve crest points and trough points of cross sections according to a three-dimensional diagram of a compressor blade; virtual curves of a blade body and a jog are built; step 2, point cloud is extracted, specifically, curvatures of the actual curve, the crest curve and the trough curve of the step 1 are analyzed, and the curves of the crest curve and the trough curve are regulated according to actual curve curvatures; a center line is built according to the crest curve and the trough curve; step 3, a hook face is rebuilt, specifically, a mesh hook face is built with center lines of the cross sections to generate a three-dimensional digital model; step 4, procedures are regulated, specifically, the blade three-dimensional digital model is imported to a three-dimensional software and corrected compared with blade master body data scanned by the three-dimensional software; and step5, numerical control machining is carried out, specifically, numerical control programming is carried out according to the blade three-dimensional digital model of the step 4, and a blade is subjectedto numerical control milling with a ball end milling. According to the compressor blade machining method, the blade precision and the surface roughness of a compressor can be effectively ensured.

The invention relates to a water-based clear topcoat with high solid content, which is prepared from the following components in parts by weight: 750-900 parts of water-based resin, 1-4 parts of bactericide, 3-8 parts of dry film preservatives, 5-25 parts of coalescing agents, 5-15 parts of defoamer, 5-20 parts of base material wetting agents, 2-5 parts of pH adjuster, 10-35 parts of anti-sagging agents, 10-40 parts of extinction wax additives, 15-50 parts of special wax additives, 3-15 parts of dispersants, 15-35 parts of complex aging resistant additives, 0-100 parts of resin-type water-based coloring materials, and 0-60 parts of water. The product with high sold content is applicable to coating and protection on wood platforms, wood doors and windows, fences, leisure tables and chairs and other wood structures manufactured and formed outdoors. The water-based clear topcoat with high solid content is simple in preparation method, easy to operate, free of harm to an operator, and applicable to industrial popularization and application.

The invention discloses a concrete-filled steel tube sleeper for a ballastless track. The concrete-filled steel tube sleeper for the ballastless track comprises two or more sleeper concrete blocks and sleeper connecting parts used for connecting the sleeper concrete blocks. Each sleeper concrete block is of a block-shaped structure and formed by pouring concrete, and each sleeper concrete block is internally provided with an embedded part for fixing the steel track and a steel-bar mesh or a stirrup connected with the corresponding sleeper connecting part. Each sleeper connecting part is composed of a plurality of hollow steel tubes transversely arranged between the corresponding sleeper concrete blocks. In the pouring process of the sleeper concrete blocks, the hollow steel tubes are filled with concrete at the same time, so that concrete-filled steel tubes are formed, and accordingly the sleeper connecting parts and the sleeper concrete blocks are integrated through pouring. The concrete-filled steel tubes are applied to the concrete sleeper for the ballastless track, the concrete-filled steel tubes are used as the sleeper connecting parts, and the concrete-filled steel tubes and the sleeper concrete blocks are formed integrally, so that the geometry retention capacity of the sleeper is effectively improved, and steel consumption is reduced; the sleeper has the advantages of being easy to manufacture, high in constructability and the like.

The invention provides an image generation apparatus and an image generation method through which a user can notice the object backward that exists in the direction opposite to the traveling direction of the vehicle. Therefore in the image display system, a shift determining part determines the traveling direction of a vehicle (9). The composite image CP1 which is generated by a composite image generator shows a peripheral area (A1) as the periphery of the vehicle (9) and a backward area (A2) as the area behind the vehicle (9) and includes the peripheral area (A1) that centers the image of the vehicle (9) and is viewed from a virtual viewpoint that looks down the vehicle (9). A display displays a display image (DP1) which includes the composite image (CP1). The display image (DP1) includes the composite (CP1) which shows the backward area (A2) which is opposite to the traveling direction of the vehicle (9). The user can notice the object backward that exists in the direction opposite to the traveling direction of the vehicle (9) by looking at the composite image (CP1).

The invention discloses a steel pipe concrete sleeper suitable for ballastless tracks, which comprises two or more sleeper concrete blocks and a sleeper connecting piece for connecting the sleeper concrete blocks, the sleeper concrete block is in a block structure, and is made of concrete It is made by pouring, and there are embedded parts for fixing the rails and steel mesh or stirrups connecting the sleeper connectors; the sleeper connectors are composed of a plurality of hollow steel pipes arranged horizontally between the concrete blocks of the sleeper. During the block pouring process, the hollow steel pipe is filled with concrete at the same time to form the concrete filled steel pipe, and then the sleeper connector and the concrete block of the sleeper are poured into one body. In the invention, the concrete-filled steel tube is applied in the concrete sleeper of ballastless track, the concrete-filled steel tube is used as the connector of the sleeper block, and the concrete-filled steel tube and the concrete block of the sleeper are integrally formed, so as to effectively increase the geometric shape and position retention capacity of the sleeper, reduce the amount of steel, and have the advantages of simple preparation , Strong constructability and so on.

The invention relates to a large-volume leather bag type constant-pressure energy accumulator and application thereof. The large-volume leather bag type constant-pressure energy accumulator comprisesa shell and further comprises a leather bag, a variable area piston, a floating piston, a piston and a flange which are arranged in the shell. The floating piston sleeves a piston rod of the variablearea piston. The bottom end of the piston rod of the variable area piston is connected with the piston, and a through hole is formed in the center axes of the variable area piston and the piston, an inflation valve is connected between the through hole and the leather bag, the bottom of the through hole is connected with a cover plate, the piston is provided with a one-way valve I and a one-way valve II, and the flange is connected with the inner wall of the bottom of the shell. The novel large-volume leather bag type constant-pressure energy accumulator has the advantages that leakage is notlikely to happen, the service life is long, inertia is small, the response is sensitive, and the applicable volume range is wide; and the novel large-volume leather bag type constant-pressure energy accumulator can be widely applicable to various hydraulic systems.

The invention discloses a lithium ion battery self-supporting silicon-based anode material with a multilayered film and a preparation method of the anode material. The anode material is made from silicon nano-particles and carbon nano-fibers through compounding, wherein the mass ratio of silicon to carbon is 1:0.5-1:6 and the thickness ratio of a carbon fiber layer to a silicon-carbon compound fiber layer is 1:1-1:5. The preparation method comprises the following steps: dispersing a mixture formed from silicon nano-particles / an organic high-molecular polymer and an organic high-molecular polymer in an organic agent, respectively, and performing fully stirring to obtain an uniform suspension and solution; through control of the injection volume and time of electrostatic spinning, obtaining a multilayered periodic structure of carbon-carbon silicon compound-carbon-carbon silicon compound...-carbon; and performing carbonization treatment in the protective atmosphere to obtain the lithium ion battery self-supporting silicon-based anode material with a multilayered film. The anode material has characteristics of self-supporting, high capacity, good cyclic stability and simple preparation.

The invention relates to the field of medical instruments, in particular to a method for precisely customizing a knee joint prosthesis. The method for precisely customizing the knee joint prosthesis specifically comprises the steps of data entry, software processing, construction of a three-dimensional model of a knee joint prosthesis assembly, personalized feature parameter measurement, parametric modeling, simulation replacement and verification. The knee prosthesis comprises a femoral component and / or a tibial component. According to the method, a simple data image is used for acquiring personalized feature parameters of the knee joint prosthesis of the human body, and the method is simple, easy to use and capable of meeting production and clinical practical requirements at the same time.

A fuel cell separator ( 20 ) having a central part ( 22 ) and an outer peripheral part ( 30 ). The central part is a metal member made of stainless steel or the like. Multiple gas passages ( 31, 32 ) and multiple product water passages ( 33 ) are formed in the peripheral part. To ensure corrosion resistance of the gas passages and the product water passages, the peripheral part is a rubber member made of silicone rubber. A projecting central seal part ( 41 ) for surrounding the central part is formed integrally with the peripheral part.

The invention discloses a silicon-based micro-heating plate provided with an embedded heating wire, and a processing method of the silicon-based micro-heating plate; and the micro-heating plate is prepared by silicon-based material and can be easily realized by a processing technology of a micro-electromechanical system (MEMS). The silicon-based micro-heating plate and the processing method are characterized in that based on the traditional 'sandwich' structure, the heating wire is embedded into a substrate insulating film layer, so that the influence to the stability of a device caused by thermal stress generated by the mismatch between the heating wire and the coefficient of thermal expansion of the insulating film layer can be reduced by the restraining function of the surrounding dense insulating film layer for the heating wire, and the influence of electromigration to the deformation of the heating wire can be effectively relieved; and therefore, the stability of the micro-heating plate can be improved during high-temperature work.

Disclosed is a novel sheet-type oxygen sensor including, in a top-to-bottom successively arranging manner, a sensitive element layer, an air path layer and a heating layer, wherein the heating layer is composed of a heating substrate layer and a heating electrode insulating layer arranged above the heating substrate layer. The heating electrode insulating layer comprises an upper insulating sheet and a lower insulating sheet and a heating electrode clamped therebetween. An upper transition layer is arranged above the upper insulating sheet and a lower transition layer is arranged below the lower insulating sheet. In the sheet-type oxygen sensor, the insulation layers and the transition layers are added so that drying times during printing are reduced and processing time is saved. Meanwhile, a problem of drying crack caused by overmuch printing layers is solved. By means of the addition of the transition layers, a binding property between the insulating layers and zirconium oxide layers are enhanced so that deformation and cracking due to different thermal-expansion coefficients of the two different materials during sintering, thereby greatly improving product yield.

The invention provides a power supply wire for high-frequency current which reduces a supply loss of current affected by the skin effect and has a high degree of freedom in laying. The power supply wire for high-frequency current (1) comprises: a corrugated tube made of metal (13); a combined electric wire (10) disposed inside the corrugated tube (13) and including a plurality of unit electric wires (20) and a sheath material (23), each of the unit electric wires (20) being formed by bundling together a plurality of conductive wires (11) individually coated with insulating films (12), and the sheath material (23) covering the plurality of unit electric wires (20); and a gap (14) formed between the corrugated tube (13) and the combined electric wire (10).

A cable clamp is configured to fix an electric cable including an electric wire section and an outer layer section covering the electric wire section to a fixed member. The cable clamp includes a first cylindrical portion for the electric wire section to be inserted therein, and a second cylindrical portion formed around outside the first cylindrical portion to surround the first cylindrical portion. The second cylindrical portion includes a receiving portion formed between it and the first cylindrical portion to receive the outer layer section. The second cylindrical portion is swaged with the electric wire section inserted in the first cylindrical portion and with the outer layer section received in the receiving portion, so that the outer layer section is gripped by the first cylindrical portion and the second cylindrical portion.