177results about How to "Bendable" patented technology

The invention relates to an electric welding rod used for manual welding. The electric welding rod comprises core welding-wires containing the following chemical compositions (wt%): 0.020-0.100 of C, 0.350-0.550 of Mn, 0.015-0.030 of Si, 0.005-0.015 of P, 0.002-0.005 of S, 0.01-0.20 of Cr, 0.01-0.30 of Ni, 0.01-0.20 of Cu, 98.675-99.47 of Fe, and the residue of impurity; the electrode coating comprises the following compositions: 28-38 of marble powder, 16-28 of fluorite powder, 2-8 of feldspar powder, 2-7 of white titanium pigment, 4-8 of electrolytic manganese, 3-7 of ferrosilicon powder, 6-9 of ferrotitanium powder, 0.5-2 of ferromolybdenum powder, 3-8 of nickel powder, 10-25 of iron power and 5-8 of other elements. The chemical compositions, the performance and the structure of the welding seam of a grade X80 steel pipe welded by using the electric welding rod are closer to the pipe body, and without heat treatment, the welding seam can meet the requirements on technical indicators such as high strength, high toughness, low hardness and the like of the grade X80 steel pipe used for oil and natural gas transferring; the electric welding rod overcomes the defaults in the prior art that the welding seam is required to be heat-treated after welding, the quality is poor, and engineering accidents are easy to happen when in use and the like.

Provided is a complex lithium secondary battery that includes a dye-sensitized solar cell unit and a lithium secondary battery unit, wherein the dye-sensitized solar cell unit and the lithium secondary battery unit share a common anode layer. The complex lithium secondary battery is rechargeable using solar energy, as an alternative power source to when there is no power source for recharging the complex lithium secondary battery, can be bendable, and has a simple structure.

The invention discloses a high-contrast liquid crystal electronic paper displayer and a manufacturing method thereof. The cholesteric liquid crystal layer of the liquid crystal electronic paper displayer comprises a viscous spacing material and a nonviscous spacing material, wherein the main ingredient of the viscous spacing material is the mixture of epoxy resin glue or UV-cured UV adhesive and a spacing material. In the manufacturing method of the liquid crystal electronic paper displayer, the liquid crystal molecules are arranged in a focal conic state in a liquid crystal cell through the treatment at a high temperature which is about 10 DEG C higher than the clearing point of the liquid crystal. In the non-display part, the focal conic state forms a display background, so the high contract of the display part is realized. The liquid crystal box with the structure can realize the mechanical impact resistant liquid crystal electronic paper displayer by adopting either a hard glass substrate or a flexible plastic substrate. In the invention, the high-contract liquid crystal electronic paper displayer is manufactured by adding the viscous spacing material and adopting high-temperature treatment, and the contrast of the liquid crystal electronic paper displayer is improved to 1.2 to 1.3 times that of the conventional liquid crystal electronic paper displayer made of the same liquid crystal material.

The invention discloses a foldable flexible display device. The display device comprises a flexible display screen, a main board and a support layer arranged between the flexible display layer and themain board; the flexible display screen has a bending area and a non-bending area; the non-bending area is located at two sides of the bending area; the main board is provided with a filling area corresponding to the bending area; main boards at two sides of the filling are are corresponding to the non-bending area; when the flexible display screen is bent, the support layer supports the flexibledisplay screen in the bending area. By arranging the support layer between the flexible display screen and the main board, the rigidity of the flexible display screen in the bending area is increased, thereby avoiding the condition that the flexible display screen in the bending area is deformed due to pressing when the foldable flexile display device is bent.

The invention provides a flexible and stain-resistant ultraviolet curable coating composition. The composition comprises, by weight, 30-80 parts of acrylate resin, 5-15 parts of a fluorine-modified acrylate oligomer, 10-25 parts of an acrylate monomer, 5-9 parts of a photoinitiator and 0.05-2 parts of a leveling agent. Compared with coatings in the prior art, the coating composition in the invention has a higher flexibility, and has the advantages of certain hardness, wear resistance, stain resistance, suitableness for bendable and crimped substrates, excellent comprehensive performances and wide applicability .

The invention discloses a device for realizing conversion between space waves and artificial terahertz surface plasmon polariton (SPP) waves. The device comprises a medium substrate and two metal sheets fixedly connected to media to form a mirror-image relation. The metal sheets are provided with grooves arranged periodically. The depths of the grooves gradually increase from the two ends to the middle parts of the metal sheets and keep constant after being increased to a specific value. The widths of the grooves are equal. A gap is formed between one end of one metal sheet and one end of the other metal sheet. The gap is widened from the rear end to the front end in an exponential form until the width of the gap exceeds the width of each metal sheet. The device can realize effective conversion between the terahertz space waves and the SPP waves within a wide frequency range and a large angle range on the basis of novel artificial electromagnetic materials, and has the advantages of being small in size, low in weight, capable of being bent and the like, thereby having good application prospect in terahertz functional devices.

The invention relates to an oxide-modified flexible composite sulfur positive electrode material and a preparation method thereof, belonging to the field of lithium-sulfur batteries. The material comprises a nanocarbon material, a metallic oxide and active material sulfur, wherein the nanocarbon material serves as a skeleton of a flexible positive electrode material; a mass ratio of the nanocarbonmaterial to the metallic oxide to the active material sulfur is 1:(0.01-5):(0.05-10); and sulfur in the flexible positive electrode material is uniformly dispersed in a pore channel of the metallic oxide modified nanocarbon material skeleton. The nanocarbon material on the surface of which oxides are uniformly compounded serves as the skeleton of the flexible positive electrode material, the sulfur serves as the active positive electrode material, and an oxide/nanocarbon material/sulfur composite material which can be used for the lithium-sulfur battery positive electrode material is compounded. The composite positive electrode material prepared by the invention has high conductivity and excellent flexibility and achieves an inhibiting effect on a shuttle effect of polysulfides, and the specific capacity, cycling stability, rate capability, coulombic efficiency and other electrochemical performances of the lithium-sulfur battery positive electrode are improved.

The present invention provides a packaging cover and a manufacturing method of the packaging cover. The packaging cover comprises a cover body made of a flexible ceramic material. The first surface ofthe cover body is provided with a groove structure that is filled with an adhesive material and a thermally conductive material. The packaging cover provided by the invention enables bending propertywhile having the function of blocking water and oxygen, fails to change the shape due to the thermal expansion and contraction, and improves adhesion with a packaging adhesive and heat dissipation effect.

The invention discloses an echo cancellation method for head-up display. The method includes arranging an echo cancellation board on the inner surface of a front windshield of an automobile; one face which is an adhering face adheres to the inner face of the front windshield of the automobile while the other face of the echo cancellation board, which is a display face, is used for head-up display. The thickness of the echo cancellation board changes gradually, so that an included angle is formed between the adhering face and the display face of the echo cancellation board. The included angle is an included angle of the echo cancellation board. The method is easy to implement. Only the echo cancellation board needs to be added on the front shield of the automobile and no other parts needs to be added in the automobile and on the front shield. Besides, the material of the echo cancellation board is flexible and the thickness of the echo cancellation board is no greater than 2mm. The echo cancelation board can be adhered to the front shield, so that the appearance of the front shield and the sight of a driver are not influenced.

The invention discloses an optical medical device which comprises a light source part and a power supply part, the light source part is electrically connected with the power supply part; the light source part comprises base cloth, a connecting layer, a light source layer and a covering layer, the connecting layer is laminated on the base cloth, the light source layer is laminated on the connectinglayer, the covering layer is of a light-transmitting structure, is laminated on the light source layer and covers the light source layer and the connecting layer, and the power supply part is used for lightening the light source layer. The light source layer has the characteristics of good light-emitting uniformity, lightness, thinness, bendability, flexibility, stretchability and the like and can be completely attached to a to-be-phototreated part of a patient so that the problems that an existing optical medical device is inconvenient to wear and damages normal tissues can be well solved, the design is more user-friendly, and the comfort and safety of user experience are guaranteed.

The invention provides a thermoelectric conversion module, which can implement a high power generation capacity and high reliability of electric connection between thermoelectric conversion elements and meet various diameters and lengths of a tube as a heat source. The thermoelectric conversion module includes a straight-chain module unit. In the module unit, plural P-type elements and plural N-type elements, which are alternately arrayed, are electrically connected in series by a braided wire A and a braided wire B. The braided wire A connects one end surface of the P-type element and one end surface of the N-type element. The braided wire B connects the other end surface of the P-type element and the other end surface of the N-type element. The braided wire B is shorter than the braided wire A. The thermoelectric conversion module including only the module unit is spirally wound around a tube as a heat source.

The invention discloses a solar-powered airplane wing and a manufacturing method thereof. The solar-powered airplane wing comprises a wing framework and a flexible solar cell module, wherein the middle part of the upper surface of the wing framework is provided with a groove; the flexible solar cell module comprises a packaging skin and an assembly framework arranged on the lower surface of the packaging skin; the assembly framework is arranged in the groove; the packaging skin extends outwards along the two sides of the wing framework in the spanwise direction to form a coating side; and the coating side is coated on the wing framework. The manufacturing method comprises the following steps: S1: preparing the wing framework; S2: preparing the flexible solar cell module; and S3: assembling. The solar-powered airplane wing has the advantages of favorable conformal effects between the solar cell module and wing framework, high surface smoothness, excellent aerodynamic performance, light weight and the like. The preparation method has the advantages of convenient assembly, weight reduction and favorable reliability.

The invention provides a multi-lead extensible flexible electrocardiograph patch. The electrocardiograph patch comprises a flexible extensible electrode patch, an electrocardiograph patch body and flexible extensible leads, wherein the flexible extensible electrode patch is used for being attached to the skin of a to-be-detected part of the body and comprises a stretchable electrode net and a bonding piece; the electrocardiograph patch body receives and processes a detection signal of the electrode net and sends the detection signal to a designated receiving device; the electrocardiograph patch body comprises a flexible substrate and a packaging layer for packaging the flexible substrate; a battery, a signal processing element and a signal transmitting element are arranged on the flexible substrate at intervals; the flexible extension leads are used for being connected with the flexible extensible electrode patch and the electrocardiograph patch body and are attached to the skin at the corresponding positions of the body, and each lead comprises a transmission line, a packaging layer and an adhesive part. Compared with traditional human body electrocardiogram monitoring equipment, the multi-lead extensible flexible electrocardiograph patch can be adhered to the surface of the body for monitoring, the action of a tested person is not influenced, and the whole device has the bendable and extensible ability and is simple in operation, small in size and convenient to carry.

The invention provides a flexible connecting board for a power battery and a machining method for the flexible connecting board. The metal foil of the flexible connecting board adopts special-shaped metal foil; the welding strength of a welding region is the same as that of the base material of the special-shaped metal foil; a non-welding region is formed by applying force to a substrate through special stainless steel; the machining method comprises the steps of enabling multiple layers of special-shaped metal foils to be laminated in vacuum welding equipment to be welded to form the welding region; punching the welding region to form connecting holes; and applying force to the laminated multiple layers of special-shaped metal foils through the special stainless steel to form the non-welding region. Compared with the prior art, the flexible connecting board for the power battery and the machining method for the flexible connecting board provided by the invention can strengthen the connection reliability of the power battery, improve the safety of the single power batteries and modules in series connection and parallel connection, and save the connecting space.

The invention relates to a method of utilizing an acidizing method to treat a carbon nano tube to prepare carbon nano tube fiber. The method includes: dispersing the carbon nano tube in a strong acid solution, and performing ultrasonic treatment to obtain a carbon nano tube dispersion; in oil bath of 50-130 DEG C, cooling and back-flowing the carbon nano tube dispersion for 1-6 h; cooling and filtering a solution obtained through cooling and back-flowing, flushing a filter cake until pH value of filtrate is neutral, and drying to obtain the carbon nano tube fiber.

The invention discloses a vulcanized polyacrylonitrile film with hollow tubular nanofibers and a binder-free lithium sulfide battery positive electrode prepared from the film. The process of preparingthe film is as follows: S1, respectively configuring a polyacrylonitrile shell solution and a core layer solution; 2. Prepare composite nanofibers by use coaxial electrospinning technology; S3. The prepared composite nanofiber is washed in solvent, dried and vulcanized to obtain the vulcanized polyacrylonitrile film. A lithium sulfide battery positive electrode is prepare by adopting that nano-fiber in the sulfide polyacrylonitrile film of the invention, which is hollow tubular and has a great specific surface area, without the traditional coat process, and the positive electrode can be fullycontacted with the electrolyte, thereby improving the utilization rate of the electrode; at the same time, sulfide polyacrylonitrile is insoluble in the electrolyte, avoiding the shuttle effect of polysulfide, alleviating the volume expansion effect of the battery, and improving the electrochemical performance of the electrode. The positive electrode of the lithium sulfur battery has a higher energy density and a more stable and lasting cycle life.

The invention discloses a flexible solar cell module and a preparation method and application thereof. The flexible solar cell module comprises a package skin and a module framework, wherein the module framework is arranged on a surface of the package skin, and the package skin outwards extend along at least one edge of the module framework to form a cladding edge. The flexible solar cell is prepared by a hot pressing integrated package process. The flexible crystalline silicon solar cell module has the following advantages of high surface attachment, excellent surface aerodynamic performance, light weight and the like, is convenient to install and has wide application in a spacecraft such as a solar powered unmanned air vehicle.

The invention provides an electrolytic copper foil with flexibility, bending behavior equal to or over roller copper foil, and provides a circuit board having flexibility and bending capability using the electrolytic copper foil. Especially, an electrolytic copper foil for circuit board with mechanical characteristic and flexibility improved in the process of adhering the electrolytic copper foil, applying and heating a polymide thin film, capable of electric equipment miniature adaptation. The electrolytic copper foil is produced by electrodialyzing on cathode, wherein crystalline grains having diameter over 4 mu m is over 80% in the electrolytic copper foil which is treated by a heat treatment represented by formula 1 with LMP over 8000. The formula 1 is LMP=(T+273)*(20+Log(t)), wherein T represents temperature (DEG C.), and t represents time (Hr).

The invention relates to a conductive metal oxide current collector coating, and specifically relates to a conductive metal oxide current collector coating for an aluminium ion battery, belonging to the battery field. The conductive metal oxide current collector coating for an aluminium ion battery sputters indium tin oxide, fluorine-doped tin oxide or LaNiO3 coating to a piece of transparent glass, a tinsel or a polymer film to prepare a current collector. The current collector has good chemical stability and electrochemical stability under a wide electrochemical window (0-3.0V/0-2.5V (vs Al)). The conductive metal oxide current collector coating for an aluminium ion battery has the advantages of guaranteeing good effect of the current collector while effectively reducing the production and use cost of the current collector, and being wider in the application range as the current collector has a certain degree of flexibility.