32results about How to "Improve interface" patented technology

The invention discloses lithium ion battery electrolyte. The lithium ion battery electrolyte comprises a solvent, lithium salt and additives; the methyl-containing chain carbonate ester in the solvent is less than or equal to 5 percent of the total mass of the solvent; and the additives comprise 2 to 4 percent of 1,3-propane sultone (PS). Compared with the prior art, the lithium ion battery electrolyte has the advantages that: the content of the methyl-containing chain carbonate ester with low stability in the solvent is controlled, and the additives, namely the 1,3-propane sultone, butanedinitrile, adiponitrile, vinylene carbonate (VC), fluoroethylene carbonate (FEC) and the like are added into the solvent, so that an interface of an electrode/the electrolyte can be improved, the decomposition of the solvent in the electrolyte is reduced, the quantity of gas generated in the battery is reduced, and the high temperature storage performance, the safety performance and the cycle performance of the battery under a high voltage are improved. Besides, the invention also provides a lithium ion battery employing the electrolyte.

A method of forming a high performance magnetic tunnel junction (MTJ) is disclosed wherein the tunnel barrier includes at least three metal oxide layers. The tunnel barrier stack is partially built by depositing a first metal layer, performing a natural oxidation (NOX) process, depositing a second metal layer, and performing a second NOX process to give a M_OX1/M_OX2 configuration. An uppermost metal layer on the M_OX2 layer is not oxidized until after the MTJ stack is completely formed and an annealing process is performed to drive unreacted oxygen in the M_OX1 and M_OX2 layers into the uppermost metal layer. In an alternative embodiment, a plurality of metal oxide layers is formed on the M_OX1 layer before the uppermost metal layer is deposited. The resulting MTJ stack has an ultralow RA around 1 ohm-μm² and maintains a high magnetoresistive ratio characteristic of a single metal oxide tunnel barrier layer.

A wearable electronic device of the type wherein information is conveyed in an analog manner at least in part by the use of at least one display hand, wherein the wearable electronic device includes a dial having a dial side and an opposite side, wherein the display hand is positioned on the dial side of the dial, wherein the wearable electronic device comprises among other things, a casing having a frontside and a backside, wherein the dial is viewable from the frontside thereof; and a digital display, operatively coupled to a controller assembly, wherein the digital display displays at least mode specific informational indicia and is viewable only from the backside of the device; at least one actuator, operatively coupled to the controller assembly, for changing the mode specific informational indicia displayed on the digital display; and wherein the controller assembly causes the mode specific informational indicia displayed on the digital display to be thereafter reflected in the information displayed in the analog manner by the at least one display hand.

The invention relates to a preparation method of a high heat-conducting diamond/copper-based composite material which consists of matrix copper, diamond powder and a molybdenum coating, wherein the volume fraction of molybdenum is 1-2%, the balance of diamond particles and copper. In diamond and copper, the volume fraction of the diamond powder is 15-50%. The preparation method provided by the invention can solve the problem that in methods of infiltration, powder metallurgy and the like, diamond powder and copper are non-wetting to lead to sintering densification. The preparation method comprises the following steps: I, plating molybdenum on the surfaces of the diamond particles by adopting a magnetron sputtering method to prepare molybdenum-coated diamond powder; II, plating copper on the surface of the molybdenum-coated diamond powder by a chemical plating method to prepare copper and molybdenum-coated diamond powder; III, mixing the composite powder obtained in step II and pure copper powder in a certain proportion by a mechanical mixing manner; and IV, hot pressing and sintering the mixed powder prepared in step III in vacuum to obtain the diamond/copper-based composite material. The material has a good interface bonding condition, high density and heat conductivity.

The invention discloses a lithium ion secondary battery and an electrolyte thereof. The electrolyte comprises lithium salt, a non-aqueous organic solvent and an additive, wherein the additive contains a compound shown in a general formula (I); in the general formula (I), m is an integer of 0 to 2, n is an integer of 1 to 3, R1, R2 and R3 represent hydrogen atoms, fluorine atoms or C1-C6 straight-chain or branched-chain alkyl or fluoro-alkyl, and Rf1, Rf2, Rf3 and Rf4 represent the hydrogen atoms or the fluorine atoms. The compound shown in the general formula (I) can be used for effectively improving a positive pole / electrolyte interface and suppressing the oxidative decomposition of the electrolyte on the surface of a positive pole. Therefore, the storage performance of the lithium ion secondary battery under the condition of high temperature can be improved, and the cycle performance of the battery cannot be degraded, so that the electrical performance of the lithium ion secondary battery is remarkably improved.

The technology disclosed can provide methods and systems for identifying users while capturing motion and/or determining the path of a portion of the user with one or more optical, acoustic or vibrational sensors. Implementations can enable use of security aware devices, e.g., automated teller machines (ATMs), cash registers and banking machines, other secure vending or service machines, security screening apparatus, secure terminals, airplanes, automobiles and so forth that comprise sensors and processors employing optical, audio or vibrational detection mechanisms suitable for providing gesture detection, personal identification, user recognition, authorization of control inputs, and other machine control and/or machine communications applications. A virtual experience can be provided to the user in some implementations by the addition of haptic, audio and/or other sensory information projectors.

The invention relates to a preparation method of a polyamide heat-conducting wear-proof composite. The method comprises the following steps: modifying heat-conducting wear-proof filler by using epoxy resin; and melting and mixing 40-65 parts of polyamide, 1-5 parts of antioxidant and 34-58 parts of the epoxy-coated heat-conducting wear-proof filler by weight, and cooling to obtain the polyamide heat-conducting wear-proof composite. According to the method, epoxy resin is used to coat the heat-conducting wear-proof filler and react with polyamide, thus the boundary problem of the inorganic filler and polyamide can be solved. As the selected inorganic filler has high heat conductivity and good insulativity and wear resistance, the final composite has insulating heat-conducting wear-proof property and can be used in fields such as heat exchangers, electronic packaging and mechanical manufacturing.

The present invention provides methods for forming a buffer layer for Group IBIIIAVIA solar cells. The buffer layer is formed using chemical bath deposition and the layer is formed in steps. A first buffer layer is formed on the absorber and the first buffer layer is then treated using etching, oxidizing, annealing or some combination thereof. Subsequently a second buffer layer is then positioned on the treated surface. Additional buffer layers can be added following treatment of the previously deposited layer.

The invention discloses a composite encapsulating material with high heat conduction activity and a preparation method thereof, and belongs to the field of metal based composite materials. The composite material consists of SnAg4Ti4 alloy powder, aluminum powder and diamond particle reinforcer, wherein volume percentage of diamond particles is 50%-70%, volume percentage of aluminum powder is 25%-49%, and volume percentage of SnAg4Ti4T alloy powder is 1%-5%. A preparation method for the composite encapsulating material comprises the following steps: preparing active brazing filler metal SnAg4Ti4 alloy powder through a vacuum gas-atomization powdering furnace, mechanically mixing powder, and putting mixed powder into a discharge plasma sintering furnace to prepare a diamond/aluminum composite material. The sintered composite material is relatively good in interface bonding, is relatively high in compactness, has heat conductivity of 703W/m.K, has a thermal expansion coefficient reduced to 7.9*10<-6>/K, and has compactness of 97.8% or more. The preparation method is strong in operability, is simple in process, and can be used for the fields of electronic encapsulating and the like.

The invention discloses electrolyte of a lithium ion secondary battery. The electrolyte comprises lithium salt, a non-aqueous organic solvent and an additive, wherein the additive at least comprises a compound reflected by the general formula (1) shown in the specification; in the general formula (1), n is an integer from 0 to 2; R1 and R2 are C1-C3 alkyl; R3 is a hydrogen atom or C1-C3 alkyl. Furthermore, the invention also discloses the lithium ion secondary battery adopting the electrolyte. The compound reflected by the general formula (1) can form a good protection film on the surface of a polar plate, and the protection film can effectively improve a negative/electrolyte interface, suppress the reductive decomposition of the electrolyte on the negative surface and also reduce the interface impedance between the polar plate and the electrolyte, so that the cycle performance and the low-temperature charging performance of the lithium ion secondary battery are improved.

A display device according to one embodiment of the present specification can include a flexible display unit. And, the display device can modify a virtual keyboard on the flexible display unit based on a bending state of the flexible display unit.

An electronic interface is provided and includes a shield having a first shield element, a second shield element, and a connection section. The second shield element is spaced apart from the first shield element along a length of the shield and has a width different than a width of the first shield element. The connection section electrically connects the first shield element and the second shield element.

The invention discloses an annealing method for a heterojunction solar cell. The method comprises: an intrinsic amorphous silicon layer and an n type amorphous silicon layer are deposited on one surface of an n type substrate and an intrinsic amorphous silicon layer and a p type amorphous silicon layer are deposited on the other surface, and a transparent conductive oxide film is deposited on the n type amorphous silicon layer and the p type amorphous silicon layer; a barrier layer and a non-silver metal seed crystal layer are deposited on the transparent conductive oxide layer; and a non-silver metal grid line is deposited on the non-silver metal seed crystal layer. Besides, the method also includes an annealing step: a solar cell is processed by annealing in a temperature range of 120 DEG to 190 DEG, wherein the annealing atmosphere is an atmosphere of non-oxidizing gas; and the solar cell after annealing is cooled. According to the annealing method, the non-silver metal grid line is used for replacing a printed silver line and compatibility with the high-temperature annealing process of the heterojunction cell technology is high, so that the cell performance can be improved; the process becomes simple; the annealing process zone increases; and the annealing condition meets the temperature stability requirement of the amorphous silicon layer.

A lithium ion battery provided by the invention has excellent cycle life and relatively low cycle expansion rate while having high energy density, DTD, FEC and a carboxylic ester organic solvent are introduced into a non-aqueous electrolyte, the relationship between the content X of a negative electrode binder in a negative electrode plate and the content A of the DTD, the content B of the FEC and the content Y of a carboxylic ester organic solvent in the non-aqueous electrolyte is further adjusted, and the relationship meets the following conditions: 10 < = A + B < = 21, 0.02 < = X/(A + B + Y) < = 0.2, and 0.02 < = X/Y < = 0.25. A stable and low-impedance SEI interface can be formed on the surface of the negative electrode, so that the low-temperature charging performance and the high-rate discharging performance of the battery are improved; meanwhile, the conductivity of the electrolyte at low temperature and the migration rate of lithium ions can be improved, and the low-temperature charging performance and the high-rate discharging performance of the battery are further improved; in addition, the cyclic expansion rate of the lithium ion battery can be reduced.

Multicore fibers and endoscope configurations are provided, along with corresponding production and usage methods. Various configurations include an adiabatically tapered proximal fiber tip and/or proximal optical elements for improving the interface between the multicore fiber and the sensor, photonic crystal fiber configurations which reduce the attenuation along the fiber, image processing methods and jointed rigid links configurations for the endoscope which reduce attenuation while maintaining required flexibility and optical fidelity. Various configurations include spectral multiplexing approaches, which increase the information content of the radiation delivered through the fibers and endoscope, and configurations which improve image quality, enhance the field of view, provide longitudinal information. Various configurations include fiber-based wave-front sensors. Many of the disclosed configurations increase the imaging resolution and enable integration of additional modes of operation while maintain the endoscope very thin, such as spectral imaging and three dimensional imaging.

An ion source is provided comprising one or more nebulisers and one or more targets, wherein the one or more nebulisers are arranged and adapted to emit, in use, a stream predominantly of droplets which are caused to impact upon the one or more targets and to ionise the droplets to form a plurality of ions. The ion source further comprises one or more electrodes arranged adjacent to and/or attached to the one or more targets wherein the one or more electrodes comprise one or more apertures, notches or cut-outs wherein at least some of the plurality of ions pass, in use, through the one or more apertures, notches or cut-outs.

A portable electronic device including a first body, a second body, and at least one speaker is provided. The second body is pivotally connected to one side edge of the first body, such that the second body is selectively rotated to cover the first body, or to form an angle with respect to the first body. The speaker is movably disposed on an upper surface of the first body, and can be moved relative to the first body. Thus, the speaker can be moved and fixed to a predetermined position to achieve optimized output sound quality.

The invention discloses a high-tenacity epoxy resin adhesive. The high-tenacity epoxy resin adhesive comprises the raw materials of a component A and a component B, wherein the component A comprises the following raw materials in parts by weight: 25-35 parts of bisphenol S epoxy resin, 5-15 parts of linear phenolic epoxy resin, 10-16 parts of a beta-cyclodextrin compound, 1-2 parts of tricresyl phosphate, 2-4 parts of vermiculite powder, 2-4 parts of nano-calcined kaolin, 2-4 parts of expanded perlite powder, 0.5-1.5 parts of methyl triethoxysilane, 30-50 parts of trimethylolpropane-propylene oxide polyether triols, 1-2 parts of an antiager and 1-2 parts of a dispersant; the component B comprises the folloiwng raw materials in parts by weight: 1-4 parts of a phenolic modified amine curing agent, 2-6 parts of a boron trifluoride complex and 30-40 parts of trimethylolpropane-propylene oxide polyether triols; and the weight ratio of the component A to the component B is 100:(2-6).

The embodied invention is a personal health card with a magnetic strip or embedded chip card that is carried by a person all the time, so that in case of health emergencies or when visiting a doctor's office, the card is used to retrieve online health information. The information will aid in obtaining proper medical treatment. The personal health card works with an interactive software program where a registered user updates their personal health records, and then retrieves it via the personal health card when interacting with a medical practitioner.

This invention relates to a rotator translating angular movement into an output representation. In particular, this invention relates to a rotator input device for detecting user interaction. The rotator input device comprises a rotator element arranged on a support enabling angular and tilting movement of the rotator element relative to rotational axis of the rotator element and having an operating surface perpendicular to the axis. The rotator input device further comprises a motion detector for detecting angular movement of the rotator element, a switching assembly for detecting tilting movement of the rotator element during depression of the operating surface and comprises a first plurality switching elements arranged below the operating surface and substantially along the periphery of the rotator element.

A computer program product providing an environment in which control software controlling at least one physical process is executed, wherein the control software is comprised of modular blocks termed actions, wherein the control software is defined through graph connections between the actions, wherein the computer program product provides for a monitoring functionality, wherein physical sub-processes of the at least one physical process influenced by an action may be monitored. A method for choosing which physical sub-processes are to be monitored is provided, wherein a user places a debug point on an action.

A modular appendage for a septic gallery has a first modular section for connection to a lateral side of the gallery with the first modular section having a number of apertures thereon. The first modular section has a first area. The lateral side of the septic gallery has a second area. The first area is greater than the second area for increased drainage and thus adds capacity to the gallery.

Systems, apparatus, methods, and non-transitory media for consumer interfaces that are responsive to motion data are discussed herein. Some embodiments may include a system with one or more servers. The one or more servers may be configured to generate a consumer interface including a representation of an object that is responsive to the motion data generated by a motion sensor of a consumer device. The consumer interface may be provided to the consumer device to create the motion data and determine a motion data score. The motion data score may be used to determine promotion data parameters that define the terms of offered promotions. Promotion data parameters may be determined based on motion data performance in combination with consumer account data for programmatic relevance determination. Furthermore, the motion data received from the consumer device may be used to determine consumer account data or profile data.

Method for controlling the opening speed of a valve connected between a fuel tank and a filter, and configured to relieve the pressure inside the fuel tank into the filter, the method comprising the steps of:— Measuring a pressure in the fuel tank,— Measuring or inferring a fuel vapor temperature in the fuel tank,— Calculating an opening speed as a function of the pressure and the fuel vapor temperature in the fuel tank,— Opening the valve at the calculated opening speed in order to avoid corking of another valve of the fuel tank connected between the valve and the fuel tank. Assembly for putting the method into practice

The invention discloses a ferroelectric thin-film capacitor applied to a ferroelectric memory. The ferroelectric thin-film capacitor comprises a silicon substrate layer, an upper electrode layer, a ferroelectric thin-film layer and a lower electrode layer, wherein the upper electrode layer, the ferroelectric thin-film layer and the lower electrode layer are sequentially arranged on the silicon substrate layer; buffer layers are respectively arranged among the upper electrode layer, the lower electrode layer and the ferroelectric thin-film layer; isolation layers are arranged between the buffer layers and the ferroelectric thin-film layer; and grid-shaped metal interconnections are arranged at the upper part of the upper electrode layer. According to the invention, the isolation layers are introduced, so an interface is improved, the aggregation degree of oxygen vacancies in a thin film is reduced, and the fatigue and retention performance of the ferroelectric thin film are greatly improved.