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593results about How to "Reduce short circuit" patented technology

Internal short-circuit detection method of power battery

The invention discloses an internal short-circuit detection method of a power battery. The internal short-circuit detection method comprises the following steps: detecting whether lowest voltage of the battery is lower than the set value and lasts for the preset time or not when a vehicle runs again or is charged, if so, judging the existence of short circuit, and performing maintenance operation on the battery through a prompt of a BMS (battery management system); identifying the difference of the battery in the static state through the BMS when the battery is arranged at the discharge tail end, if the difference in the capacity of the battery is too great, exceeds the set value and lasts for the preset time, judging the existence of the short circuit in the battery, emitting an alarm through the BMS and reminding of performing the maintenance operation on the battery; and recording the number of times of achieving cutoff voltage of the battery in the BMS, when the difference in the number of times of charge cutoff or discharge cutoff of the battery is larger than the set value, judging the existence of the short circuit in the battery, emitting the alarm through the BMS and reminding of performing the maintenance operation on the battery. According to the internal short-circuit detection method disclosed by the invention, the internal short circuit of the battery can be identified through a variety of means, and the internal short-circuit situation of the battery can be identified to the greatest extent by combining with a statistical method on the basis of long-term operation data.
Owner:HUIZHOU EPOWER ELECTRONICS

Oil-water separating device and method

The invention discloses oil-water separating device and method. The oil-water separating device comprises a swirler and a horizontal type agglutinating oil-water separator, wherein a bottom flow pipe of the swirler is in a U shape; the horizontal type agglutinating oil-water separator has the liquid uniform distributing function; an inlet liquid distributor, a rectifying sieve plate, a stainless steel plate ripple filler, a polypropylene gauze ripple filler, an outlet liquid collector, and the like are sequentially arranged in the horizontal type agglutinating oil-water separator, and the stainless steel plate ripple filler and the polypropylene gauze ripple filler are fixed by a limit grid plate; the U-shaped bottom flow pipe of the swirler and a filter screen arranged in the swirler can filter a small number of solid impurities contained in liquid so as to prevent the blockage of agglutinated fillers; the inlet liquid distributor and the outlet liquid collector ensure that the liquid is uniformly distributed; the rectifying sieve plate reduces the flow rate of the liquid to form lamellar flow; the stainless steel plate ripple filler provides a place for agglutinating and separating oil drops; and the polypropylene gauze ripple filler with an air floating device can further agglutinate and separate residual fine oil drops. The combination simultaneously has the effects of whirl, agglutination and air floatation and can realize the deep separation of oil and water.
Owner:TIANJIN UNIV

Battery pack with internal serial structure and manufacture method thereof

The invention provides a battery pack with an internal serial structure and a manufacture method thereof. The battery pack comprises N pole groups, N-1 baffles with conductivity, an electrolyte and sealing rings in a battery shell and top covers on the battery shell. The manufacture method comprises the following steps of: separating two adjacent pole groups with the baffles; connecting the anode of one pole group with a baffle; connecting the cathode of the other pole group with the other edge of the baffle; and serially connecting the adjacent pole groups. The battery pack is designed according to a needed voltage so that a plurality of unit battery cores are connected serially in the same battery shell for use as a whole to meet the voltage requirement. The battery pack provided by the invention has smaller battery size and lighter mass under the same voltage while meeting the voltage requirement on various electric appliances and has low requirement for a battery packing technology. Meanwhile, due to no connectors for conduction among cell batteries when the batteries are combined, the external short circuit of the batteries can be reduced.
Owner:HUNAN CORUN NEW ENERGY CO LTD

Novel barrier type air-actuated three-phase fluidization synthetized absorbing tower

InactiveCN101081348ANot easy to cause blockageTo achieve the purpose of purification and absorptionDispersed particle separationInlet channelGrating
The grating type pneumatic triphase fluidizing comprehensive absorption tower includes one housing, one gas inlet channel and gas outlet channel in the top of the tower, one rotary defogging and dewatering unit, one stuffing assembly comprising support boards, hold-down boards and stuffing, one coaxial tubular grating member, one liquid distributor with ring sprinkler pipe, one large caliber reverse sprayer inside the gas inlet channel, and one absorbing slurry pond in the bottom of the tower. It features the special grating structure, the regularly arranged stuffing for cyclic fluidizing, the combined foam absorption and stuffing absorption, etc, and has high absorption efficiency, great gas treating amount and other advantages.
Owner:BEIJING HUAYU RONGTONG POWER TECH DEV

Spume lithium cathode of lithium metal secondary batteries and method for producing the same

A foam lithium cathode of a lithium metal secondary battery and a method for preparing the same relate to a lithium metal secondary battery cathode and a method for preparing the same. The present invention solves the problems that the prior lithium metal secondary battery cathode material with lithium foil metal as the main material has poor cyclicity and safety. The foam lithium cathode consists of a foam metal substrate and a lithium deposit layer deposited on the surface of the foam metal substrate. The preparation method comprises the following procedures: the surface of the foam metal substrate is treated and then lithium is electrodeposited or plated lithium is vaporized. With the foam lithium material as the cathode of the lithium metal secondary battery, the real area of the cathode is large and the real current density of charge and discharge is small; no dendritic crystal and no dead lithium are produced easily; in a three-dimensional foam structure, the dendritic crystal grows in the inner side of the foam, thereby reducing the occurrence of short circuit and improving the safety and the cyclicity of the lithium metal secondary battery.
Owner:严格集团股份有限公司

Gate line drive circuit of array substrate and display device

An embodiment of the invention provides a gate line drive circuit of an array substrate and a display device, belongs to the technical field of displaying and aims to reduce short circuit of a GOA (gate driver on array) unit caused by ESD (electro-static discharge) and to increase yield of a GOA circuit. The GOA circuit comprises the GOA unit and an STV (vertical start pulse) signal line electrically connected with the GOA unit; the STV signal line comprises a first portion and a second portion; the GOA circuit further comprises a first transparent electrode and an insulting layer arranged between the first transparent electrode and the first portion; the first transparent electrode, the first portion and the insulating layer form a first capacitor. The GOA circuit according to the embodiment is applicable to the technical field of displaying.
Owner:BOE TECH GRP CO LTD +1

Manufacturing process of smooth roughened electrolytic copper foil

ActiveCN102277605AShort brass teethStrong impedance controlAnodisationFine lineProduction line
The invention relates to a process for manufacturing smooth surface roughened electrolytic copper foil, which comprises a step of pickling, a step of primary smooth surface roughening, a step of secondary smooth surface roughening, a step of primary smooth surface curing, a step of secondary smooth surface curing, a step of double-size anti-oxidization treatment, a step of double side passivation and a step of smooth surface coupling agent treatment, which are accomplished continuously on the same production line. Compared with the prior art, the smooth surface roughened electric copper foil manufactured by the process for manufacturing the smooth surface roughened electrolytic copper foil has the advantages of short copper teeth, easy etching, and high impedance controllability. When the copper foil is used in production of downstream products, the needs of blackening micro corrosion and toughening treatment are obviated, so the manufacturing process is shortened, and the short circuit rate and open circuit rate are lowered; meanwhile, the copper foil manufactured by the process has the same quality as the conventional high-precision or double-side toughened electrolytic copper foil, is produced at low cost and is more suitable for manufacturing the inner layers of high-precision multilayer plates and high-density fine line printed circuit boards (PCBs).
Owner:合肥铜冠电子铜箔有限公司

Grid electrode driving circuit and display device

The invention provides a grid electrode driving circuit and a display device. The grid electrode driving circuit comprises a plurality of grid electrode driving units, wherein each grid electrode driving unit is respectively connected with a pulse signal input end, a time sequence signal input end and at least two adjacent grid electrode scanning lines, and is used for sequentially providing pulse signals input from the pulse signal input end to at least two adjacent grid electrode scanning lines connected with the grid electrode driving unit under the control of the time sequence control signals input by the time sequence control signal input end, the pulse signal input end is connected with a grid electrode driver, and the grid electrode driver outputs the pulse signals according to the number of the grid electrode scanning lines corresponding to the grid electrode driving units. The grid electrode driving circuit and the display device provided by the invention have the advantages that one pulse signal input end can control the opening and the closing of at least two lines of pixel TFT (thin film transistor) arrays, and the number of the pulse signal input ends is reduced.
Owner:HEFEI BOE OPTOELECTRONICS TECH +1

Polyolefin micropore barrier diaphragm and method for producing the same

The invention relates to a polyolefin microporous diaphragm and a manufacture method thereof, which belongs to the field of thin-film manufacture. The polyolefin microporous diaphragm consists of a polyolefin microporous basal membraneand oxide layer(s) on or / and under the polyolefin microporous basal membrane, wherein the polyolefin microporous basal membrane consists of 96.5 to 99.995 percent of homo-polypropylene resin and 0.005 to 3.5 percent of beta crystal form nucleating agent according to weight percentage; the polyolefin microporous basal membrane has the average pore size between 80 and 200 nanometers, the porosity between 30 and 50 percent and the air permeability between 1.5 and 15 ml / cm<2>.sec.atm; and the thickness of the oxide layer is between 0.05 and 2 microns. The polyolefin microporous diaphragm has the characteristics of uniform micropores, good air permeability, good thermal shrinkage properties and high ionic electrical conductivity, and can be widely applied to medical dialysis membranes, industrial water treatment membranes and lithium-ion secondary battery diaphragms.
Owner:韩伟嘉

TFT matrix structure and making method thereof

The invention discloses a TFT array structure, which comprises a substrate; a gate line and a gate electrode; a first insulating layer, a semi-conductive layer and an ohmic contact layer which are covered in order on the gate line and the gate electrode; a thin film transistor (TFT) groove; a second insulating layer formed on the ohmic contact layer; a source / drain electrode through hole formed on the second insulating layer; data lines and a source electrode integrated with the data lines and connected with the ohmic contact layer on the gate electrode; a drain electrode connected with the ohmic contact layer on the gate electrode; a passivation layer formed on the data lines, the source electrode and the drain electrode; a pixel electrode formed on the second insulating layer and partially lapped on the drain electrode; and a groove formed on the gate line between the data lines to cut off the ohmic contact layer on the gate line. The invention also discloses a fabrication method of the array structure. The inventive array structure and the fabrication method thereof shorten the production cycle of the TFT array and reduce the production cost.
Owner:BEIJING BOE OPTOELECTRONCIS TECH CO LTD +1

Mobile terminal and USB interface mode control method and device thereof

The invention relates to the technical field of mobile terminals, and provides a mobile terminal, and a USB interface mode control method and device thereof. The mode control method comprises the following steps: judging whether an identifying switch switching on control signal is received or not; if the identifying switch switching on control signal is not received, keeping the identification pin of a USB interface in a non-electrified state; if the identifying switch switching on control signal is received, actuating the operation of electrifying the identification pin of the USB interface, and judging whether the identification pin inputs low electric potential or not; if the identification pin inputs low electric potential, actuating the operation of indentifying the access of OTB equipment and communication with the OTB equipment; if the identification pin inputs no low electric potential, controlling the electrifying state of the data pin of the USB interface according to the state of the power supply pin of the USB interface, and setting the state of the USB interface of the mobile terminal to ensure that the identification pin and the data pin of the USB interface are in non-electrified states. An interface power supply is shut off to reduce the corrosion degree of the USB interface, so that short circuit phenomena caused by highly corrosion on the pins of the USB interface are reduced.
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD

Method for eliminating flow field vortexes in tubular electrode electrolytic machining interval

The invention provides a method for eliminating flow field vortexes in a tubular electrode electrolytic machining interval. The method comprises the following steps that the lateral face of a tubular electrode is punched through a laser punching process; the punched tubular electrode is subjected to corresponding insulating treatment; electrolyte flows downwards in the tubular electrode during electrolytic machining and is sprayed outwards from an outlet in the lower end of the tubular electrode; the electrolyte beam sprayed out of the outlet of the tubular electrode impacts an electrolytic machining area; part of electrolyte is sprayed out of a hole in the lateral face of the tubular electrode; under the impact and disturbance function of the electrolyte sprayed out of the hole in the lateral face, a vortex area of the electrolyte of the machining area is eliminated, and electrolysate is discharged out of the machining area in time in the circular flowing of the electrolyte; and meanwhile, under the function of reactive force when the electrolyte impacts, the amplitude of vibration of the tubular electrode caused by flowing of the electrolyte is reduced. The occurrence of short circuit in the machining process can be effectively reduced by eliminating the electrolysate discharged out of the vortex area and reducing the amplitude of vibration of the tubular electrode, and the process stability of the electrolytic machining of the tubular electrode is improved.
Owner:SHANDONG UNIV OF TECH

Composite film with high-temperature resistance layer, preparation method thereof and battery

The application relates to the field of lithium batteries, and particularly discloses a composite film with a high-temperature resistance layer, a preparation method thereof and a battery. The composite film disclosed by the application comprises a base film and the high-temperature resistance layer, wherein the base film is a porous thermoplastic resin film; the high-temperature resistance layer is an inorganic ceramic layer containing ceramic particles; the inorganic ceramic layer is fixed on at least one surface of the porous thermoplastic resin film by polymerization; and the peel strength of the porous thermoplastic resin film and the inorganic ceramic layer is larger than or equal to 25 N / m under the condition of 180 DEG C. The invention further discloses the preparation method and the application of the composite film and the battery adopting the composite film. According to the application, the peel strength of inorganic ceramic layer and the porous thermoplastic resin film is greatly improved so as to effectively avoid a powder falling phenomenon of the inorganic ceramic particles in the composite film. Meanwhile, the composite film has excellent high temperature resistance performance, and can reduce battery short circuit phenomena caused by heat shrinkage of the composite film in the application.
Owner:SHENZHEN ZHONGXING NEW MATERIAL TECH CO LTD

Conductive substrate, electrode, energy storing device and preparation method thereof

The invention provides conductive substrate, an electrode, an energy storing device and a preparation method thereof. The conductive substrate comprises a non-conductive substrate layer and a conductive layer which is arranged on the non-conductive substrate layer; the non-conductive substrate layer is plastic or rubber state polymer film layer or composite polymer film layer with the thickness of 0.1 to 100 micrometer, the porosity being 40% to 60%, good flexibility, has self-supporting property and is high temperature and corrosion resistant; the particle diameter of the conductive layer is a nanoscale conductive material layer; the thickness of the conductive layer is 1 to 300 micrometers. The conductive substrate comprises a flexible non-conductive substrate layer and the conductive layer and a purpose of improving the electrode flexibility is achieved by increasing the substrate flexibility due to covering of the conductive layer on the flexible non-conductive substrate layer.
Owner:刘强

Nonwoven fabric ceramic separator, and preparation method and application thereof

The invention provides a nonwoven fabric ceramic separator, and a preparation method and application thereof. The preparation method specifically comprises the following steps: preparing a nonwoven fabric fiber base membrane through an electrostatic spinning method; and performing atomic layer deposition on the surface through a plasma enhanced atomic layer deposition technology, so that inorganic matters are uniformly coated on the surface of the polymer fiber to form a core-shell structure taking the one-dimensional polymer fiber as the core and the inorganic matters as the shell. The nonwoven fabric ceramic separator is used in a secondary battery. The separator can be further endowed with a thermal shutdown function through a polymer layer compounding method. The nonwoven fabric ceramic separator obtained by the invention has high thermal shrinkage resistance, enhanced mechanical strength, small membrane ceramic layer thickness and favorable uniformity; and an assembled battery has high mass and volume specific energy and high safety. Thus, the separator provided by the invention can be used as a high safety separator material for lithium ion batteries and other secondary batteries.
Owner:XIAMEN UNIV

Wall socket

The invention discloses a wall socket which comprises an insulating socket shell and a panel, wherein the socket shell is internally provided with at least one independent insertion chamber unit, the insertion chamber unit is provided with a plurality of mutually isolated insertion chambers, the panel is provided with at least one jack group with a plurality of jacks, the insertion chamber unit and the jack group are in one-to-one correspondence, the insertion chambers of each of the insertion chamber units and the jacks of the corresponding jack group are in one-to-one correspondence, the insertion chambers of each of the insertion chamber units at least comprise a live line insertion chamber used for connecting a live line and a zero line insertion chamber used for connecting a zero line, and the bottom surfaces of the live line insertion chamber and the zero line insertion chamber are provided with drain holes which penetrate through the insertion chamber unit and are used for draining water, thereby being capable of preventing water or other conductive liquid from getting into the insertion chamber unit from jacks in the panel to cause short circuit. In addition, water in the insertion chamber can be drained timely through the drain holes, thereby further reducing the probability of short circuit and preventing an electric shock accident caused by being contacted with a wall socket with water, and effectively improving the safety of the wall socket.
Owner:SHENZHEN ZHENGKE ELECTRICAL TECH

Integral type organic waste gas treatment device

The invention discloses an integral type organic waste gas treatment device which comprises a shell, wherein an air inlet is formed in a side surface of the shell; an air outlet is formed in the upperend surface or the lower end surface of the shell; a rotating main shaft extending outside from inside is arranged inside the shell; a speed reduction motor is arranged at an end part, outside the shell, of the rotating main shaft; a first filtering cylinder, a second filtering cylinder and a third filtering cylinder are sequentially arranged inside the shell in a layer to layer manner; a plurality plasma bodies and ultraviolet lamp tubes which are distributed at annular intervals are arranged between the first filtering cylinder and the second filtering cylinder; an activated carbon layer isarranged between the second filtering cylinder and the third filtering cylinder; the upper end and the lower end of the first filtering cylinder are respectively connected with the interior of the shell; an upper sealing end cover and a lower sealing end cover are respectively arranged at two ends of the second filtering cylinder and the third filtering cylinder; the rotating main shaft penetrates through the shell, the upper end cover and the lower end cover. The integral type organic waste gas treatment device has the effects of being high in waste gas treatment efficiency, thorough in waste gas treatment, low in energy consumption and long in service life.
Owner:张世红

Automatic protective system and method for watered mobile phone

The invention discloses an automatic protective system and a method for a watered mobile phone. A plurality of water sensors are arranged on portions of the mobile phone and water can easily flow into the portions of the mobile phone. The automatic protective system for the watered mobile phone comprises a setting module, a detecting module, a judging module, and a control module, wherein the setting module is used for setting a voltage threshold value which indicates that water flows into the mobile phone, the detecting module is used for detecting and reading voltages of detecting points in the plurality of water sensors in real time according to a processor of the mobile phone, the judging module is used for judging whether the voltages of the detecting points are equal to the set voltage threshold value or not, so as to judging whether water flows into the mobile phone or not, and the control module is used for reminding a user in a preset prompting mode that water flows into the mobile phone, and sending an interrupt signal to the processor to control the mobile phone to shut down when water flows into the phone according to judgments.
Owner:SHENZHEN FUTAIHONG PRECISION IND CO LTD

LED (Light Emitting Diode) headlamp for motor vehicle

ActiveCN102878512AThere will be no mutual occlusion problemNo dazzlePoint-like light sourceLight fasteningsLight beamEngineering
The invention relates to an LED (Light Emitting Diode) headlamp for a motor vehicle. The LED headlamp for the motor vehicle overcomes the defects that in the prior art, beams between a dipped headlight and a headlight on full beam in the vehicle shelter from each other, the most brilliant central light emitting point of the LED lamps light directly forward to cause dazzle, the brightness of beams lighting forward is nonuniform, and a reflector has a light receiving dead angle and the like. The key points of the technical scheme are that the LED headlamp for the motor vehicle comprises a lamp cup body, a reflector, a transmitting lens, LED lamps, an LED driving circuit board and a radiator assembled and matched correspondingly. The LED headlamp for the motor vehicle is characterized in that the inner cavity of the lamp cup body is divided into an upper part and a lower part separated by a partition board in a horizontal state. A dipped headlight reflector is arranged on the inner wall face on the upper part, and the lower part is divided into a left part and a right part by a partition board. Headlights on full beam are respectively arranged on the inner wall faces of the left and right parts. LED lamps are respectively arranged on the partition boards in the upper, left and right parts. The directions of the central light emitting points of the LED lamps are vertical to the partition boards and the LED lamps directly light the dipped headlight reflector or the reflector of the headlight on full beam, respectively.
Owner:GUANGDONG QIGUANG VEHICLE LIGHT IND

Multi-axis linkage ultrasonic modulation micro-electrochemical machining system

A multi-axis linkage ultrasonic modulation micro-electrochemical machining system comprises an ultrasonic vibration system, an ultrasonic synchronization system, an electrochemical machining power supply system, a multi-axis machine tool control system, a working liquid circulating system, a machining positioning and gap detection system and an online parameter observation and control system. A transverse and longitudinal excitation device is additionally arranged on the joint of an amplitude-change pole, and a machine tool can machine a complex three-dimensional curve or special-shaped hole groove; a machine tool working table is a multi-axis linkage control feeding mechanism, the micro feeding movement of the multi-dimensional space of the working table is achieved, and it is ensured that the machining process is stable; an encoder and a micro displacement sensor are additionally arranged on a machine tool feeding mechanism, and therefore machining gap control and workpiece precise positioning feeding movement can be facilitated; in the machining process, parameter changes can be online observed in real time, preparing and conveying of needed work liquid can be completed by controlling a working liquid delivery device; and workpiece and tool electrode protection can be achieved during machining area collision or short circuit by controlling a switch of an electromagnetic valve and the multi-axis machine tool control system.
Owner:YANGZHOU UNIV

Oil-water separating device and method

The invention discloses oil-water separating device and method. The oil-water separating device comprises a swirler and a horizontal type agglutinating oil-water separator, wherein a bottom flow pipe of the swirler is in a U shape; the horizontal type agglutinating oil-water separator has the liquid uniform distributing function; an inlet liquid distributor, a rectifying sieve plate, a stainless steel plate ripple filler, a polypropylene gauze ripple filler, an outlet liquid collector, and the like are sequentially arranged in the horizontal type agglutinating oil-water separator, and the stainless steel plate ripple filler and the polypropylene gauze ripple filler are fixed by a limit grid plate; the U-shaped bottom flow pipe of the swirler and a filter screen arranged in the swirler canfilter a small number of solid impurities contained in liquid so as to prevent the blockage of agglutinated fillers; the inlet liquid distributor and the outlet liquid collector ensure that the liquid is uniformly distributed; the rectifying sieve plate reduces the flow rate of the liquid to form lamellar flow; the stainless steel plate ripple filler provides a place for agglutinating and separating oil drops; and the polypropylene gauze ripple filler with an air floating device can further agglutinate and separate residual fine oil drops. The combination simultaneously has the effects of whirl, agglutination and air floatation and can realize the deep separation of oil and water.
Owner:TIANJIN UNIV

Backboard structure of backlight module

The invention mainly relates to a backlight module device, in particular to a backboard structure of a backlight module. The backboard structure comprises a framework, a backboard, a driving circuit board, a first fixing element and a second fixing element, wherein the backboard is arranged in the framework and provided with at least one penetrated positioning hole and one positioning part; the driving circuit board is provided with a fixing hole at a position opposite to the positioning part of the backboard; and the first fixing element and the second fixing element respectively correspond to the backboard, the positioning hole and the positioning part of the driving circuit board so as to ensure that the backboard and the driving circuit board are combined and fixed in the framework. The backboard structure can improve the insulating effect of the driving circuit board, reduce the occurrence frequency of short circuit of electronic elements and reduce the cost and assembly working hours.
Owner:CENTURY DISPLAY (SHENZHEN) CO LTD

AMOLED (active matrix organic light emitting diode) display apparatus

The invention discloses an AMOLED (active matrix organic light emitting diode) display apparatus. The display apparatus comprises a substrate, and a positive electrode, a display unit and a negative electrode which are laminated on the substrate in sequence, wherein a gate in panel (GIP) circuit and a driving voltage negative electrode line are arranged on the periphery of the display unit towards the substrate in sequence; the display apparatus also comprises positive electrode metal; the positive electrode metal crosses over the GIP circuit to be connected with the driving voltage negative electrode line and the negative electrode; the part, overlapped with the projection of the GIP circuit, of the positive electrode metal in a direction perpendicular to the substrate is hollow-out. According to the display apparatus, the positive electrode metal above the GIP circuit is hollow-out, so that the most of the GIP circuit can be exposed, and only a small area of the GIP circuit is covered with the positive electrode metal; therefore, the GIP circuit can be seen clearly from both of the front surface and the back surface, so that disqualification analysis and test can be carried out conveniently; and meanwhile, the condition of short circuit between the negative electrode and the GIP circuit is effectively reduced.
Owner:KUNSHAN GO VISIONOX OPTO ELECTRONICS CO LTD

Low-temperature cured conductive silver paste and preparation method and use thereof

The invention relates to low-temperature cured conductive silver paste and a preparation method and use thereof. The conductive silver paste is composed of the following components in percentage by weight: 40-45% of silver powder, 9-12% of polymer resin carrier, 42-48% of dimethyl nylon acid, 0.8-2% of water-soluble polyurethane curing agent, and 0.01-0.2% of white carbon black, wherein the average grain diameter of the silver powder is 5.5-10 mu m; the specific surface area is 1.9-2.20 m<2> / g; the silver purity is more than or equal to 99.5 wt%; and the polymer resin carrier is composed of polyethylene glycol terephthalate and chloric vinegar resin in a mass ratio of 1:(1-1.2) or composed of polyurethane resin and chloric vinegar resin in a mass ratio of 1:(1-1.2). Compared with the original like products, the conductive silver paste in the invention has the advantages of low curing temperature, low production cost and the like.
Owner:KUNSHAN JOING TECH

Anode and lithium secondary battery comprising the same and method for preparation of the same

A battery anode includes the set fluid and the anode material coated on the set fluid; the anode includes the anode material perforation through the set fluid and coating the set fluid, in which the said perforation total area is 0.5-50% of the set fluid area, and the said perforation is irregular. During the anode preparation process, through the perforation on the anode which perforated irregularly, the invention makes the capacity rate of the anode and cathode less than 1, to avoid the lithium dendrites formation on the cathode, therefore reducing battery internal short circuit rate, and increasing the overcharge security of the lithium secondary battery of the anode; in addition, the anode of the invention is beneficial the heat radiation of the batteries, making lithium secondary batteries normal storage and work in the high temperature environment, thereby expanding the lithium secondary batteries' application environment scope.
Owner:BYD CO LTD

Ammonia process two-stage countercurrent smoke-discharging and treating device, and method thereof

The invention discloses an ammoniation two-stage upstream exhaust treatment device and a method thereof, which take volatile ammonia as raw materials and recover acid waste gas as useful products, the innovative essence thereof lies in that the invention provides two-stage independent absorption liquid circulating systems with ammonification and without ammonification, comprising independent two-stage absorption liquid spray devices arranged in a reaction tower to facilitate the method of the invention to comprise seven continuous steps including primary and secondary treatment, in particular to optimize the internal structure and relative size of the reaction tower as well as the size of an absorption liquid circulating tube and circulating load of absorption liquid, therefore, the operating gas-liquid ratio is set as 70-195. Compared with the prior art, the invention has the characteristics of greatly increased stability and reliability in the operation of the device, more effective control of loss due to ammonia escape, low energy consumption, simple structure of the device, reduced scarring and obstruction of the device and saved investment and operating cost, and has obvious application prospect in the field of exhaust purification such as boilers and the like.
Owner:王建敏

Microelectronic element with elastic conductive projection and method of manufacture

The invention provides a micro-electronics component which has an elastic electric conduction ridge, including the semiconductor chip and conductance ridge which establishes on the semiconductor chip surface, its characteristic lie in: the conductance ridge includes a conducting layer and an elastic conducting layer, the conducting layer electric interlocks with the semiconductor chip surface weld pad, the elastic conducting layer connects with the conducting layer metallurgy. Simultaneously it provided the manufacture method of the micro-electronics component, as well as the seal structure and the liquid crystal display installment. According to the invention, no need to use anisotropy conducting resin coating, the obtained seal structure compares to which used the anisotropy conducting resin coating, it has the lower connection resistance, simultaneously avoids short-circuiting occurrence.
Owner:SHANGHAI JIAO TONG UNIV

Double-temperature thermal safe silica gel

The invention discloses double-temperature thermal safe silica gel. The double-temperature thermal safe silica gel comprises the following manufacturing materials in parts by weight: 100 parts of silicon rubber, 15 to 40 parts of white carbon black, 30 to 70 parts of heat-insulating filler, 15 to 40 parts of a heat-conducting filer, 10 to 35 parts of a flame retardant, 0.5 to 3 parts of a couplingagent, 5 to 10 parts of a structure control agent, 0.2 to 10 parts of a high-temperature catalyst, 0 to 5 parts of other aids and 0.4 to 2 parts of a vulcanizing agent. The double-temperature thermalsafe silica gel has the effects of dissipating heat at normal temperature or insulating heat at high temperature or under a fire disaster, and can dissipate heat generated by resistance, heat generation by friction as well as charging and discharging timely when being applied to components in a fire-resistant wire cable, a bus duct, an engine and a power battery to perform normal operation. Meanwhile, once the component is overheated to cause high temperature or fire disaster, the double-temperature material can be decomposed rapidly and can generate phase change under the action of a catalyst to form a hard ceramic material with a porous structure.
Owner:常州市沃科科技有限公司

Micro light emitting diode and display panel

A miniature light emitting diode includes an epitaxial layer, an insulating layer, a first electrode, and a second electrode. The insulating layer is located on the surface of the epitaxial layer andhas a first consistent hole and a second through hole. The first electrode is electrically connected to the first type semiconductor layer of the epitaxial layer via the first uniform hole, and has aplurality of first electrode plateau portions. These first electrode platforms have different horizontal heights with respect to the epitaxial layer, respectively. The second electrode is electricallyconnected to the second type semiconductor layer of the epitaxial layer via the second through hole, and has a plurality of second electrode platforms. These second electrode platforms have differenthorizontal heights with respect to the epitaxial layer. In addition, a display panel is also proposed.
Owner:PLAYNITRIDE
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