36results about How to "Increased mechanical flexibility" patented technology

A mask system for delivering air to a user includes a suspension mechanism to allow relative movement between a face-contacting cushion and a mask shell. The suspension mechanism also provides a predetermined force to the cushion that is a fiction of mask pressure, displacement of the cushion or both.

Systems and methods which provide flexible zinc ion (Zn-ion) battery configurations with shape memory are described. For example, embodiments of flexible shape memory yarn batteries (SMYBs) may be fabricated using shape memory material wire, filament, and / or fiber and flexible conductive material yarn as flexible substrate materials. In accordance with some embodiments, Nickel-Titanium-based alloy wire may be coated with a zinc material to provide a flexible anode electrode for a SMYB. Additionally or alternatively, flexible stainless steel (SS) yarn may be coated with a manganese dioxide (MnO2) material to provide a flexible cathode electrode for a SMYB of embodiments. An aqueous electrolyte may be combined with the flexible cathode and anode electrodes to provide a SMYB in accordance with the concepts herein. The aqueous electrolyte may, for example, comprise a polymer gel electrolyte (e.g., gelatin-borax polymer gel electrolyte).

The invention relates to a potential type micro electrode sensor, in particular to a potential type micro electrode sensor capable of being used for ion detection in settlings and application thereof.The potential type micro electrode sensor is a polymer film ion selective micro electrode, and consists of a gold micro electrode, a PEDOT (PSS) conduction layer and an iron selective polymer film; the iron selective polymer film is prepared by mixing ion selective carriers containing ions to be detected and lipophilic ion exchangers (quadri(3,5-bis(trichloromethyl)phenyl)sodium borate accordingto the mol ratio of (1:2)-(1:4) and then adding polyvinyl chloride and o-nitrophenyl octyl ether. The solid contact type micro electrode has the advantages that the manufacturing is simple and convenient; the sensitivity is high; the cost is low; the miniaturization is easy, and the like. Meanwhile, the micro electrode mass transfer speed is high; the current density is great; the response speed is high, and the like. The ion field in-site analysis in settlings can be realized; the detection on various ions in the settings can be realized through changing the types of ion carriers in the ion selective films.

The invention provides a method for improving the electrode stability of an aqueous electrolyte battery and an aqueous electrolyte capacitor, relates to methods for stability of batteries and capacitors, and aims at solving the problem that an existing electrode current collector is poor in stability and short in service life. According to the method, ultrathin flexible graphite paper or a conducting polymer modified graphite material is used as a positive and negative electrode current collector material of the aqueous electrolyte battery and the aqueous electrolyte capacitor; on one hand, an ultrathin flexible graphite paper coiled material is used for preparing the current collector, so that the continuous production of electrode plates can be realized; on the other hand, a conducting polymer on the surface of the ultrathin flexible graphite paper is modified, so that the problem that the electrode material is in uniform coating caused by the fact that the hydrophilia of the graphite paper is poor is solved. The method can be used in the fields of the aqueous electrolyte batteries and the aqueous electrolyte capacitors.

The invention relates to a method for producing a stranded inner conductor (1), and to a coaxial cable (9). In a first step, a stranded inner conductor (2) is provided, which consists of several wires (3) twisted together. Then the stranded inner conductor (1) is rotary swaged by means of a rotary swaging device (10). In a further step, the rotary swaged stranded inner conductor (3) is enclosed with a dielectric (4). In a further step, the dielectric (4) is enclosed with an outer conductor (5) and a cable sheath (6).

The invention discloses a method for improving a uniform heat dispersion performance of a lithium ion battery electrode piece, relates to methods for uniform heat dispersion performances of battery electrode pieces and solves the problem that a heat-conducting performance of the plane of a conventional metal current collector adopted in a lithium ion battery is poor, so that the local overheating of an electrode in the charging and discharging processes occurs, and further battery bloating is caused and the service life of the battery is shortened in the prior art. The method has the characteristics that flexible graphite paper is used for replacing an aluminum foil and a copper foil in the lithium ion battery to be used as an electrode material active substance-loaded current collector; and heat at heat points of the electrode piece can be fast and uniformly dispersed by using the high heat-conducting performance of the flexible graphite paper, so that the heat points can be removed, the temperature of a battery cell is uniformly distributed, and further electrolyte decomposing, battery service life shortening and battery damage caused by the local overheating of the battery core can be avoided. The electrochemistry unreactiveness of the flexible graphite paper and the condition that the flexible graphite paper can not react with lithium ions and the electrolyte during over-charging and over-discharging are used, so that the service life of the battery is prolonged, and the safety of the battery is improved; and the method is used in the field of the batteries.

The invention discloses an intelligent sound wave closestool cleaning cover and a cleaning method, which are used for cleaning a closestool, the intelligent sound wave closestool cleaning cover adoptsan infrared sensor for measurement and induction, a cleaning path is customized, and the intelligent sound wave closestool cleaning cover adapts to closestools of various shapes and sizes; the stainposition is visually sensed, secondary cleaning and even multiple times of cleaning are conducted on a place where stains still exist until the stains are cleaned up, and the cleanliness is guaranteed; due to the design of the cambered surface attached to the inner wall of the closestool, the structure is ingenious, the mechanical flexibility is high, and all corners and details of the closestoolare cleaned through rotation and up-down and left-right movement; an air spring and other elastic telescopic devices are adopted, proper pressure is given to control the cleaning strength, and stubborn stains difficult to remove can be cleaned; the cleaning brush head adopts a sound wave vibration design, so that the cleaning effect is better, and the self-cleaning effect is achieved; a closed space is formed by the cleaning cover and the closestool, and it is guaranteed that water carrying bacteria cannot splash out to cause secondary pollution.

The invention discloses a conductive powder-liquid metal droplet and a preparation method and application thereof. The method comprises the steps of putting a liquid metal on a container paved with conductive powder in a form of a liquid droplet; and vibrating the container, rolling the liquid metal droplet in the container and covering the surface of the liquid metal droplet with conductive powder to form the conductive powder-liquid metal droplet. The conductive powder (graphene) and the liquid metal (a gallium-indium-tin alloy and gallium-indium eutectic) have high conductivity and thermal conductivity. The high-conductivity graphene powder coats the liquid metal droplet, so that the liquid metal is prevented from being in direct contact with a metal substrate and the behaviors, such as population and corrosion, of damaging the metal substrate are prevented. Furthermore, the conductive powder-liquid metal droplet has certain mechanical flexibility, the performance of the liquid metal droplet as a flexible conductor is not limited, the conductivity of the liquid metal droplet is not affected, and meanwhile, the original performance of the metal substrate is kept.

A medical device comprising a cell including an ablation element and a carrier configured to receive at least a portion of said ablation element is disclosed. The medical device further comprises a tube enclosing the cell. At least a portion of the tube includes a membrane and the tube includes at least one hole proximate the ablation element for facilitating fluid flow. The medical device further comprises a fluid inlet for providing fluid to the interior of the tube. A method of using the medical device is also disclosed.

The invention relates to a potential type microelectrode sensor, in particular to a potential type microelectrode sensor with universality as well as preparation and application of the potentiometricmicroelectrode sensor. The sensor is a selective microelectrode with one tip end; a conductive material is inserted into the microelectrode, and the tip is sequentially filled with a mixed layer of anion selective sensitive film and a solid conduction material, a solid conduction material layer and a sealing layer. The porous carbon material serves as an ion electron conduction layer and also serves as a carrier of the membrane, and the developed sensitive membrane sensor has the advantages of being easy and convenient to manufacture, high in sensitivity, low in cost, easy to miniaturize andthe like. Besides, compared with an existing liquid membrane microelectrode, the solid contact type sensitive membrane microelectrode has the advantages of being high in response speed, good in stability, long in service life and the like, on-site in-situ analysis of various ions in single cells, plant root systems and sediments can be achieved, and a new thought is provided for real-time monitoring of the environmental process and the environmental toxicology plasma change flux.

In a device for measuring physical parameters, such as temperature, light from a light source is coupled through one or more optical wavelengths into and out of a microparticle forming an “optical resonator”. To optically and mechanically couple the resonator to the optical waveguide in the most favorable manner, the resonator is disposed within a recess in the optical waveguide, is retained there in a mechanical manner, and is optically coupled to the optical waveguide. The optical waveguide can be configured as a hollow guide. Alternatively, a cuneiform measuring tip is provided, comprising two converging webs, between which the resonator is arranged. The webs are made of light-conducting material while being coupled to at least one light-conducting fiber connected to the light source.

A transparent electrode includes a substrate; a first layer disposed on the substrate, the first layer including a graphene mesh structure, the graphene mesh structure including graphene and a plurality of holes; and a second layer disposed on the first layer, wherein the second layer includes a plurality of conductive nanowires.

The invention relates to the technical field of lithium ion batteries, and discloses a high-voltage-resistant electrolyte interface layer and an in-situ preparation method and application thereof. Thepreparation method comprises the following steps: (1) uniformly mixing a fluorine-containing acrylate monomer and a lithium salt to prepare a precursor; (2) assembling the precursor, a positive electrode, a negative electrode and an electrolyte matrix into a battery, wherein the precursor is arranged between the electrolyte matrix and a positive electrode material; and (3) charging the battery topolymerize the acrylate monomer, and curing the precursor to form a polymer electrolyte layer, thereby obtaining the high-voltage-resistant electrolyte interface layer. An electrochemical polymerization method is used, polymerization is completed in the charging process, secondary assembly is not needed, and therefore the technical problems that due to poor contact, a space charge layer is formed, and contact resistance is increased are solved.

The invention discloses a split type portal frame structure for a wind pipe type fertilizer dryer. The split type portal frame structure for the wind pipe type fertilizer dryer comprises a door frameand bases, and the tail ends of the door frame are fixedly connected with the bases; and the door frame comprises a cross beam, stand columns and support rods, the number of the stand column is two, the cross beam is arranged at the top ends of the two stand columns through hinges, the support rods are arranged at the connections of the cross beam and the stand columns, and the cross beam, the stand column and the support rod form a triangle structure. According to the split type portal frame structure for the wind pipe type fertilizer dryer, by using the independent structure, the inverted U-shaped door frame is split into three parts, and a stable triangle structure is formed, so that the support stability of the portal frame in the using process is ensured; by using the split structure,the width requirements of the portal frame can be achieved by changing the width of a penetrating beam properly according to different door frame width; and the whole portal frame can be lifted through the folding and supporting functions of folding arms, accordingly the working positions of the portal frame can be expended through the rolling function of rolling wheels, the whole process is quite convenient and reliable, and the application ranges are wide.

The invention discloses a carbon hollow sphere coated metal selenide composite material as well as a preparation method and application thereof, and relates to the technical field of green energy materials. The composite material is of a double-layer structure, the inner layer of the composite material is NiSex nanoparticles, the outer layer of the composite material is carbon hollow spheres, and the NiSex nanoparticles of the inner layer of the composite material are uniformly dispersed in the carbon hollow spheres. The invention further discloses a preparation method and application of the NiSex-coated CBs composite material. According to the invention, Ni-soc-MOF is taken as a template, an in-situ selenylation method is adopted to successfully prepare a composite material in which a nickel-selenium compound is embedded into a carbon hollow sphere, the specific capacitance of NiSe (at) CBs reaches up to 1720F g <-1 > when the current density is 1A g <-1 >, and the NiSe (at) CBs / / AC asymmetric supercapacitor has high energy density of 45.2 W h kg <-1 > under the power density of 800kW kg <-1 >, shows excellent energy storage performance, and can be applied to the field of supercapacitor devices. The capacitance retention rate of the NiSexCBs / / AC asymmetric supercapacitor after 5000 cycles still reaches up to 89%, and the NiSexCBs / / AC asymmetric supercapacitor shows high cycle stability.

The invention relates to a trolley remote gesture control system based on conductive hydrogel flexible intelligent gloves. The trolley remote gesture control system is composed of conductive hydrogel,intelligent gloves, an emitter, a single-chip microcomputer control module, a receiver, a motor driver and a motor. A conductive hydrogel sensor sends signals to control a trolley to move, an emittermodule and the single-chip microcomputer control module are connected with the gloves, the receiver module is connected with a trolley single-chip microcomputer controller, the motor driver is arranged at the output end of the trolley single-chip microcomputer controller, and the motor driver is connected with the motor. The flexible conductive hydrogel strain sensor is used as a remote control device to be arranged on the intelligent gloves, wireless Bluetooth communication is established between the transmitter module and the receiver module through a master-slave Bluetooth module and usedfor receiving and sending control commands, and the prepared gloves can be worn on the hand to control the trolley. The system has the advantages that mounting and carrying are convenient, the operation is convenient, and the performance is stable.

The invention provides bacterial cellulose modified Bucky paper as well as a preparation method and application thereof, and belongs to the technical field of flexible electronic materials. According to the invention, carbon nanotubes and bacterial cellulose are blended, so that the carbon nanotubes and the bacterial cellulose form an interpenetrating network structure through mutual entanglement, the addition of the bacterial cellulose with good mechanical properties can improve the flexibility of the carbon nanotube Bucky paper, and excellent conductivity, Joule heating performance, heat conduction performance, electromagnetic shielding performance and humidity sensing performance are maintained while the flexibility of the material is improved . The maximum tensile strength of the prepared B-BP is 55.78 MPa, the elongation at break is 11.67%, and the conductivity exceeds 16.67 S / cm; 6 V voltage is loaded, and the balance temperature exceeds 124 DEG C; the heat conductivity exceeds 7.393 W / mK; when the thickness is 35 microns, the electromagnetic shielding effectiveness reaches 24.01 dB; and when used as a humidity sensor, the humidity sensitivity exceeds 5.

The invention discloses an intelligent squatting pan cleaning device and method which are used for cleaning squatting pans in toilets in the public field, and the intelligent squatting pan cleaning device adopts an infrared sensor for measurement and induction, customizes a cleaning path and adapts to toilets of various shapes and sizes. The stain position is visually sensed, secondary cleaning and even multiple times of cleaning are conducted on a place where stains still exist until information stains received by the system are cleaned up, and the overall and local double cleanliness is guaranteed; due to the cambered surface design attached to the inner wall of the closestool, the mechanical flexibility is high, and all-around cleaning of the closestool is achieved through rotation andup-down and left-right movement; the cleaning brush head adopts a sound wave vibration design, so that the cleaning effect is enhanced, and meanwhile, the self-cleaning effect is achieved; an air spring and other elastic telescopic devices are adopted, different air elastic force is given to control the cleaning strength according to the stubborn degree of stains, and different types of stains arecleaned; and a closed space is formed by the cleaning cover and the pedestal pan, it is guaranteed that water spray carrying bacteria cannot splash out, and secondary pollution is avoided.

Provided is a method for preparing a graphene / ternary material composite for use in lithium ion batteries, comprising the following preparation steps: (a) mixing a ternary material and a graphene oxide powder in an organic solvent to form a mixed dispersion; (b) adding a reducing agent to the mixed dispersion from step (a), and carrying out a reduction reaction at a reduction temperature of 80-160° C. while stirring, to obtain a reduction reaction mixture after a reduction time of 60-240 min; and (c) evaporating the solvent from the reduction reaction mixture from step (b) while stirring, and drying and then annealing the mixture at a low temperature in an inert atmosphere to obtain a graphene / ternary material composite having a three-dimensional network structure. Also provided is a graphene / ternary material composite prepared by using this method.

The invention relates to a method for producing a stranded inner conductor (1), and to a coaxial cable (9). In a first step, a stranded inner conductor (2) is provided, which consists of several wires (3) twisted together. Then the stranded inner conductor (1) is rotary swaged by means of a rotary swaging device (10). In a further step, the rotary swaged stranded inner conductor (3) is enclosed with a dielectric (4). In a further step, the dielectric (4) is enclosed with an outer conductor (5) and a cable sheath (6).

The invention relates to a mechanical arm which comprises a base. Installing holes are formed in the periphery of the base. A rotating shaft is arranged on the base and connected with a shoulder movable arm. The shoulder movable arm is connected with a wrist movable arm through a first rotary joint. The shoulder movable arm and the wrist movable arm are fixed through a connecting device. The wristmovable arm is connected with a clamping device through a second rotary joint. The rotating shaft, the shoulder movable arm, the wrist movable arm, the clamping device, the first rotary joint and thesecond rotary joint are connected with a servo motor. The servo motor is fixed to the base. The mechanical arm has the high automation degree; meanwhile, since the bottom of the mechanical arm can rotate by 360 degrees, the application range is enlarged; and in combination with the telescopic and angle treatment between the shoulder movable arm and the wrist movable arm, the use range can be effectively enlarged, work efficiency and precision are improved, cost is reduced, the whole structure is stable and firm, the service life is prolonged, and comprehensive economic benefits are improved.

The invention discloses a method for improving battery low-temperature starting performance, and relates to the method for improving the battery starting performance in a low temperature environment. The invention aims to solve problems that a conventional battery has low voltage and discharge capacity and poor use performance during low-temperature starting. Under conditions without changing a battery material and an electrolyte solution and without significantly changing an internal structure and preparation processes, flexible graphite paper entirely or partly replaces a metal to be used as an electrode current collector, or the graphite paper is directly placed between a positive electrode and a negative electrode to be used as an electrical heating element, an external-connection power source is applied to the graphite paper to make the graphite paper rapidly heated, so that the electrode material and the electrolyte solution are rapidly heated, the battery internal temperature rises rapidly, the battery discharge voltage and the battery discharge capacity can be close to room temperature values in a short period of time, and the problem of substantial attenuation of the performance during the battery low-temperature starting is effectively solved. The method is used in the field of secondary batteries.

The invention provides a cellulose / carbon nanotube composite film as well as a preparation method and application thereof, and relates to the technical field of flexible conductive materials. The cellulose / carbon nanotube composite film provided by the invention comprises cellulose layers and carbon nanotube layers which are alternately laminated. According to the invention, the cellulose layers and the carbon nanotube layers are alternately laminated, so that the conductive material carbon nanotubes can be uniformly distributed between the cellulose layers, and the conductivity and the thermal conductivity of the composite film are improved. The cellulose / carbon nanotube composite film provided by the invention has excellent mechanical properties, electrical conductivity, thermal conductivity and electromagnetic shielding performance. Due to good mechanical flexibility, the electromagnetic shielding performance of the composite film is basically kept unchanged after repeated 180-degree folding for 5000 times. The cellulose / carbon nanotube composite film has the advantage of excellent comprehensive performance and easiness in large-scale manufacturing, so that the cellulose / carbon nanotube composite film has a wide application prospect in aerospace and next-generation flexible electronic devices.