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137results about How to "Improve injection efficiency" patented technology

Secondary battery, battery pack, and electric device

The invention discloses a secondary battery, a battery pack and a power utilization device, the secondary battery has a first direction and a second direction which are intersected, the secondary battery comprises a shell, an electrode assembly and a top cover assembly, the shell is provided with a containing cavity, the electrode assembly is arranged in the containing cavity, the top cover assembly comprises a top cover piece, a lower insulating part and an electrode terminal, the top cover piece is connected with the shell, and the lower insulating part is arranged in the top cover piece. The top cover plate is provided with a first liquid injection hole; the lower insulating part is connected to one side, facing the electrode assembly, of the top cover plate, and the electrode terminal penetrates through the top cover plate and the lower insulating part; the lower insulating part comprises a body and a turbulent flow part, and the body is provided with a second liquid injection hole communicated with the first liquid injection hole; the turbulent flow part is connected to the side, away from the top cover piece, of the body, the turbulent flow part and the electrode terminal are arranged at an interval, a liquid outlet is formed in the side, facing the electrode terminal, of the turbulent flow part, and the liquid outlet communicates with the second liquid injection hole; and along the second direction, the minimum distance between the liquid outlet and the electrode terminal is L1, the size of the top cover plate is L2, and L1 / L2 is greater than or equal to 0.004 and less than or equal to 0.5.
Owner:SUNWODA MOBILITY ENERGY TECHNOLOGY CO LTD

Erasing method of flash memory unit

ActiveCN119545798Aavoid damageReduced injection efficiencyRead-only memoriesHot holesLow leakage
The invention provides an erasing method of a flash memory unit. The flash memory cell includes a memory transistor and a gate transistor connected in series. The erasing method comprises the steps that erasing voltages are applied to electrodes of the flash memory unit and gate electrodes of transistors, the erasing voltages applied to the gate electrodes of the erased memory transistors are lower than second power supply voltages, and therefore the channel hot electron induced hot hole injection physical effect occurs. Therefore, hot holes in the channel are attracted into the storage medium layer to realize erasing. Compared with the existing band-to-band tunneling hot hole (BBHH) erasing method, the erasing method of the flash memory unit disclosed by the invention has wider hole distribution and higher injection efficiency, so that the erasing method disclosed by the invention has higher erasing speed, larger erasing window, smaller hot carrier damage, lower leakage current and higher durability and reliability.
Owner:BEIJING PANXIN MICROELECTRONICS TECHNOLOGY CO LTD

GaN-based LED epitaxial structure and preparation method thereof, and LED chip

According to the GaN-based LED epitaxial structure, the preparation method thereof and the LED chip provided by the invention, electron leakage is reduced through the electron blocking layer, and meanwhile, the hole injection layer comprising the thin AlN layer is adopted between the multi-quantum well layer and the electron blocking layer in the epitaxial structure, so that the barrier barrier height during hole transport can be reduced, and the hole transport efficiency can be improved. In addition, an effective path for hole tunneling is provided, energy during hole injection is increased, hole injection efficiency is remarkably improved, the concentration of holes injected into the multi-quantum well layer is increased, and then the luminous efficiency of the LED is improved.
Owner:LATTICE POWER (JIANGXI) CORP

Semiconductor laser element and light-emitting device

The invention provides a semiconductor laser element and a light-emitting device. An electron blocking layer is arranged between a second coating layer and a second waveguide layer of the semiconductor laser element; the second semiconductor layer is doped with a P-type dopant, the P-type dopant in the electron blocking layer has at least one doping concentration peak, the doping concentration of Mg at the doping concentration peak is smaller than the maximum doping concentration of the P-type dopant in the second semiconductor layer, and the P-type dopant in the electron blocking layer gradually approaches the direction of the electron blocking layer. The doping concentration of the P-type dopant in the second coating layer is provided with a plurality of subareas, and the doping concentration curve of the P-type dopant is gradually reduced along the plurality of subareas. Due to the descending trend of the Mg doping concentration in the second semiconductor layer, it can be guaranteed that the second semiconductor layer can provide enough holes, the hole injection efficiency in the quantum well layer is improved, and the light emitting efficiency is improved. Meanwhile, due to the arrangement of the second semiconductor layer, light absorption can be reduced, and the light emitting effect of the device is improved.
Owner:QUANZHOU SANAN SEMICON TECH CO LTD

Infrared detector reading circuit based on dark current suppression structure

The invention provides an infrared detector reading circuit based on a dark current suppression structure, which comprises a dark current suppression circuit, an integrating circuit, a double sampling circuit, a source follower, a differential amplification circuit and an output buffer circuit which are electrically connected in sequence, and also comprises a sequential logic circuit, the dark current suppression circuit is used for generating a controllable current which is not influenced by temperature change, and the current is mirrored and then used for counteracting the dark current of the infrared detector; the sequential logic circuit is used for providing row selection logic, column selection logic and a sampling time sequence when a target pixel is selected from an infrared detector pixel array; the reading circuit can read the current signal of the target pixel according to the row selection logic, the column selection logic and the sampling time sequence; according to the invention, the signal-to-noise ratio of the readout system is improved by suppressing dark current, the function of reading out according to the column is realized based on the sequential logic circuit, the noise interference among the readout circuits in the array can be effectively reduced, and the focal plane array readout circuit is suitable for preparing a large-array-scale focal plane array readout circuit.
Owner:CHONGQING INST OF GREEN & INTELLIGENT TECH CHINESE ACAD OF SCI

Essence filling equipment

The utility model discloses essence filling equipment which comprises a rack, a material storage tank, a conveying device, a filling assembly, a liquid pumping assembly and a lifting driving mechanism, each filling assembly comprises two filling assemblies, and each filling assembly comprises a filling head and a material conveying pipe; each set of liquid extraction assembly comprises two sets of liquid extraction assemblies, each set of liquid extraction assembly comprises a liquid extraction piston cylinder, a liquid inlet pipe, a liquid outlet pipe, a liquid inlet one-way valve and a liquid outlet one-way valve, a liquid extraction containing cavity, a movable piston, a liquid inlet pipe and a liquid outlet pipe are arranged in the liquid extraction piston cylinder, and the movable piston is connected with the liquid extraction piston cylinder and communicates with the liquid extraction containing cavity; the liquid outlet pipes are connected with the material conveying pipes in the corresponding filling assemblies through liquid outlet one-way valves; the lifting driving mechanism is connected with the filling head and a movable piston of the liquid pumping piston cylinder, drives the filling head to ascend and descend so as to be away from or close to the conveying device platform and can drive the movable piston to move up and down. According to the essence filling equipment, the structure of the filling equipment can be simplified, and the liquid filling efficiency can be improved.
Owner:GUANGZHOU XINJIE ADDITIVES CO LTD

Heterojunction bipolar transistor and MOCVD epitaxial growth method thereof

The invention belongs to the technical field of heterojunction bipolar transistors, and particularly relates to a heterojunction bipolar transistor and an MOCVD epitaxial growth method thereof. The heterojunction bipolar transistor provided by the invention comprises a transition layer arranged between a base region and an emission layer, and the MOCVD epitaxial growth method comprises the step of growing the transition layer on the surface of the base region by adopting a linear variable-temperature staged pulse metal organic chemical vapor deposition method, pH3 is continuously introduced within the total growth time of the linear variable-temperature staged pulse metal organic chemical vapor deposition method, and trimethyl indium, trimethyl gallium and silane are introduced in a single-cycle staged pulse manner; and the temperature of the reaction chamber is linearly increased from the base region growth temperature to the emission layer growth temperature within the time from the T1 initial moment to the TN initial moment. The heterojunction bipolar transistor obtained by the method provided by the invention is large in gain, low in sheet resistance and good in reliability.
Owner:EPIHOUSE OPTOELECTRONICS CO LTD

Glue injection device for bridge reinforcement

The utility model relates to the technical field of bridge reinforcing equipment, in particular to a glue injection device for bridge reinforcing, which comprises a base, one side of the top surface of the base is fixedly connected with a stirring box, one side of the stirring box is fixedly connected with a connecting pipe, and one side of the top surface of the base is fixedly connected with a guide rail. A guide rail is arranged on the top face of the base, a sliding block moving in the length direction of the guide rail is arranged in the guide rail, a suction pump is fixedly connected to one side of the sliding block, a glue injection pipe is fixedly connected to the output end of the suction pump, a first supporting frame is fixedly connected to one side of the top face of the base, and a drilling head is arranged on the bottom face of the first supporting frame. The bridge glue injection device has the advantages that a first air cylinder, a third motor and a drilling head are matched, so that a bridge can be drilled firstly to facilitate subsequent glue injection, and a first motor is arranged to drive a stirring frame to continuously stir a glue solution in a stirring box to prevent the glue solution from being solidified; the suction pump, the connecting pipe and the glue injection pipe are arranged to be matched for glue injection.
Owner:SHANXI KUIXING ROAD & BRIDGE CONSTRUCTION ENGINEERING CO LTD

Wide bandgap power diode with periodic composite anode

The invention discloses a wide bandgap power diode with a periodic composite anode, which comprises a wide bandgap semiconductor material substrate layer, a third anode groove, a wide bandgap semiconductor material epitaxial layer, and a periodic first anode groove and a periodic second anode on the wide bandgap semiconductor material epitaxial layer from bottom to top, a first dielectric layer and a second dielectric layer are sequentially arranged on the upper surfaces of the first anode groove and the wide bandgap semiconductor material epitaxial layer, a second dielectric layer is arranged on the upper surfaces of the second anode groove and the wide bandgap semiconductor material epitaxial layer, and a third dielectric layer is arranged on the third anode groove. And a metal anode and a metal cathode are respectively arranged on the upper surface of the wide bandgap semiconductor material epitaxial layer and the lower surface of the wide bandgap semiconductor material substrate layer. Benefited from the periodic composite anode structure, the device has the performance advantages of high current density, high breakdown voltage, low on-resistance and low reverse electric leakage.
Owner:SOUTHEAST UNIV

Light emitting diode device based on quantum dots and preparation method thereof

The invention relates to a light emitting diode device based on quantum dots and a preparation method thereof, and belongs to the technical field of semiconductor devices. The light-emitting diode device based on the quantum dots comprises a light-emitting layer, the materials of the light-emitting layer comprise colloidal quantum dots and an organic light-emitting material; the mass ratio of the colloidal quantum dots to the organic light-emitting material is 100: (0.1-20); and the distribution gap of the colloidal quantum dots is larger than the unit cell size of the organic light-emitting material. By selecting proper colloidal quantum dots and organic light-emitting materials for compounding, dot gap defects are reduced, non-radiative recombination is inhibited, the structure of a functional layer of a device is optimized, and the carrier injection efficiency is improved, so that the photoelectric property of a colloidal quantum dot light-emitting layer is improved.
Owner:SUZHOU UNIV

Liquid injection flow monitoring device

The utility model discloses a liquid injection flow monitoring device which is communicated with a pinch valve and comprises a liquid injection pipe and a liquid injection nozzle which are used for circulating electrolyte, and further comprises a sensor which is connected with the liquid injection pipe and is used for monitoring the circulating condition of the electrolyte in the liquid injection pipe. The sensor is arranged on the outer wall of the liquid injection pipe, so that the circulation condition of electrolyte in the liquid injection pipe can be monitored, whether the battery cell is in an absorbable state or not can be predicted according to the flow condition, and when the battery cell is in a non-absorbable state or is poor in absorption effect, the next circulation process is carried out, the liquid injection time is shortened, and the liquid injection efficiency is improved.
Owner:天能新能源(湖州)有限公司

Breathing type liquid injection system for lithium battery

The utility model discloses a lithium battery breathing type liquid injection system which comprises a liquid injection production line, the liquid injection production line is a rectangular liquid injection production line and comprises a feeding retainer cup tray, a liquid injection unit, a vacuumizing unit, a turnover unit and a turnover discharging unit which are sequentially arranged, and a conveying line is connected between every two adjacent liquid injection units to form a rectangular closed loop; a feeding mechanical arm and a feeding conveying belt are arranged beside the feeding sleeve cup tray, and a discharging mechanical arm and a discharging conveying belt are arranged beside the turnover discharging unit. The conveying line is a rubber-coated roller conveying line, and a battery positioning module is arranged on the conveying line. The lithium batteries are circularly injected and vacuumized in batches through the rectangular production line, so that the problem of non-uniform infiltration of the existing batteries is solved, the high-temperature standing time of the batteries is shortened, the occupied space of a plant is reduced, and the equipment cost is reduced.
Owner:GANSU JINTUO LITHIUM NEW ENERGY CO LTD

Pressure control device, method and system for coexistence of different types of full containment tanks

This invention discloses a pressure control device, method, and system for the coexistence of different types of full-containment tanks. It includes: multiple full-containment tanks, each equipped with a first pressure sensor, and each full-containment tank connected to an input pipe via a valve group; each full-containment tank is connected to a flare and an output pipe, with a first control valve between the flare and the full-containment tank; the first control valve and valve group of each full-containment tank are respectively connected to a controller, which controls the opening and closing of the first control valve and valve group; two full-containment tanks with different design pressures share a single output pipe, and a pressure protection system is installed on the output pipe between the two full-containment tanks. The pressure protection system includes at least one first shut-off valve and a second pressure sensor connected to the controller; in response to a trigger signal from the second pressure sensor, the controller controls the opening and closing of the first shut-off valve. This allows for the simultaneous operation of full-containment tanks with different design pressures while ensuring the safe and stable operation of the station.
Owner:CHINA NAT PETROLEUM CORP +1

Battery cell, battery device and electric device

The invention discloses a battery monomer, a battery device and a power utilization device. The battery cell includes a housing, an electrode assembly, a first insulator, and a barrier. The shell is provided with a first wall, and the first wall is provided with a liquid injection hole. The electrode assembly is arranged in the shell. The first insulating part is arranged in the shell and located between the first wall and the electrode assembly, and the first insulating part is provided with a first through hole corresponding to the liquid injection hole in position; in the thickness direction of the first wall, the blocking piece is arranged on the side, facing the electrode assembly, of the first insulating piece, and the blocking piece is configured to at least partially shield the first through hole. The blocking piece is provided with a liquid outlet, the direction of the liquid outlet is perpendicular to the thickness direction of the first wall, the direction of the liquid outlet intersects with the first direction, and the first direction is parallel to the width direction of the first wall. According to the technical scheme provided by the invention, the reliability of the battery device can be effectively improved.
Owner:CONTEMPORARY AMPEREX TECHNOLOGY CO LTD

Anti-sticking wet spraying machine

The wet spraying machine comprises a base, a storage box is arranged on the left side of the upper end of the base, a protective cover is arranged at the upper end of the storage box, a feeding pipe is arranged in a feeding port formed in the upper side of the front end of the storage box, a feeding valve is connected to the middle of the feeding pipe in series, and installation covers are arranged on the left side and the right side of the upper end of the storage box respectively. A first sprayer is arranged on the front side of the base, electric push rods are arranged at the four corners of the lower end of the base correspondingly, and supporting plates are arranged at the lower ends of the telescopic ends of the electric push rods correspondingly. The cleaning mechanism comprises a mounting rod, a transmission plate and a fixing rod, connecting pipes are slidably connected with sliding holes formed in the front side and the rear side of the upper end of the mounting cover correspondingly, and second spray heads are arranged at the lower ends of the four connecting pipes correspondingly. It is ensured that the interior of the anti-sticking wet spraying machine is unobstructed, and the spraying efficiency is improved.
Owner:HENAN BAIKUI MINING EQUIP CO LTD

Secondary battery and electric device

The application discloses a secondary battery and an electric device, comprising: a shell, an electrode assembly, a top cover sheet, an insulating piece and a protruding piece, the top cover sheet is connected with the shell, and the top cover sheet is provided with a liquid injection hole; the insulating piece is connected with one side of the top cover sheet facing the electrode assembly; the protruding piece comprises an extension part and a blocking part, the extension part is connected with one side of the insulating piece away from the top cover sheet; the blocking part is connected with one side of the extension part away from the insulating piece, and the orthogonal projection of the blocking part on the top cover sheet covers at least part of the liquid injection hole; at least one flow guide hole is arranged on the extension part, and the flow guide hole is communicated with the liquid injection hole; the sum of the areas of the at least one flow guide hole is S1 mm 2 , the area of the liquid injection hole is S2 mm 2 , and the following condition is met: 1≤S1 / S2≤4. After the secondary battery meets the range of 1≤S1 / S2≤4, the strength of the protruding piece is improved, and the electrolyte injection efficiency is further improved, so that the production yield of the secondary battery is significantly increased.
Owner:SUNWODA MOBILITY ENERGY TECHNOLOGY CO LTD

Liquid injection mechanism of drop dyeing HE dyeing machine

ActiveCN224695915UAchieve positioningRealize automatic injection
The utility model discloses a kind of liquid injection mechanism of drop dyeing HE dyeing machine, including liquid injection mounting frame, liquid injection transverse shift module is equipped on the liquid injection mounting frame, lifting mounting plate is equipped on the output end of liquid injection transverse shift module, liquid injection lifting module and needle tube cleaning component are equipped on the lifting mounting plate, liquid injection needle is equipped on the output end of liquid injection lifting module, and one end of liquid injection needle is connected with liquid injection pump;Liquid injection transverse shift module is used to drive the liquid injection needle moves along the length direction of bunker, liquid injection lifting module can drive the liquid injection needle to extend into the material groove of bunker, the liquid injection needle is used to inject liquid medicine into material groove, liquid injection lifting module can also drive the liquid injection needle and the needle tube cleaning component are connected, and the needle tube cleaning component is used to clean liquid injection needle.The utility model can realize accurate positioning and automatic liquid injection of liquid injection needle, significantly improve liquid injection efficiency, reduce manual intervention, and be applicable to continuous batch operation.
Owner:GUANGDONG JINQUAN MEDICAL TECH CO LTD

Glue injection device capable of adjusting glue injection angle

The utility model is applicable to the technical field of filter element glue injection equipment, and particularly relates to a glue injection device capable of adjusting a glue injection angle, which comprises a main mounting panel, the surface of the main mounting panel is connected with a fixing block, the surface of the fixing block is connected with an auxiliary mounting panel, the surface of the auxiliary mounting panel is provided with a rolling bearing, and the rolling bearing is connected with the main mounting panel. And a rotating rod is rotationally connected to the interior of the rolling bearing, and a rotating disc is connected to one end of the rotating rod. By arranging the servo motor, the main belt pulley, the transmission belt, the auxiliary belt pulley, the rotating rod, the rolling bearing and the rotating disc, when glue injection operation is carried out on a filter element or a filter element end cover, the glue injection angle of the glue injector can be automatically and accurately adjusted according to the actual position of a required glue injection area of the filter element or the filter element end; therefore, the glue injector can accurately and fully inject glue to the filter element or the area, needing glue injection, of the filter element end, and the glue injection efficiency and the automation degree of the glue injection device capable of adjusting the glue injection angle are improved.
Owner:HEFEI WAL FUEL SYST CO LTD

A battery top cover assembly and a battery cell

The utility model relates to battery technical field especially relates to a battery top cover subassembly and battery monomer. The battery top cover subassembly includes top cover, buffer and check valve, and top cover is provided with liquid injection hole. Buffer sets up in the side of top cover to the direction of electric core. Along the axial direction of liquid injection hole, the projection of buffer and the projection of liquid injection hole at least partly overlap, and the circumferential side surface of buffer and the inner wall surface of liquid injection hole form liquid injection runner. Check valve sets up between buffer and liquid injection hole, and check valve communicates with liquid injection runner to make the one-way flow of electrolyte in liquid injection runner. The battery monomer includes above -mentioned battery top cover subassembly, and the buffer effect of electrolyte is played to buffer and direct action through buffer, avoids the direct impact of electrolyte to electric core, to avoid the diaphragm of electric core top to take place and turn over and lead to short circuit. Meanwhile, electrolyte disperses and flows along liquid injection runner, and the liquid injection efficiency is improved. In addition, check valve makes the one-way flow of electrolyte in liquid injection runner, and avoids the overflow.
Owner:SUZHOU ZHENGLI XINNENG BATTERY TECHNOLOGY CO LTD

Gallium nitride-based semiconductor laser with gradient radiation recombination coefficient waveguide layer

The invention provides a gallium nitride-based semiconductor laser with a gradient radiation recombination coefficient waveguide layer, which is characterized in that a lower waveguide layer and an upper waveguide layer are respectively a gradient radiation recombination coefficient lower waveguide layer and a gradient radiation recombination coefficient upper waveguide layer; and a fitting curve of In ion strength distribution or In atom concentration distribution and a fitting curve of radiation recombination coefficient distribution of the waveguide layer on the gradient radiation recombination coefficient both meet any function distribution of GaussAmp, InvsPoly and Hill in an SIMS test. A fitting curve of In ion strength distribution or In atom concentration distribution and a fitting curve of radiation recombination coefficient distribution of the waveguide layer under the gradient radiation recombination coefficient both meet BiDoseResp function distribution in an SIMS test. According to the invention, carriers, quantum recombination and a light field are efficiently localized, the laser gain is improved, the carriers and the light field are efficiently localized in an active layer (quantum well), meanwhile, non-radiative recombination and absorption loss of a waveguide region are inhibited, and the threshold current, slope efficiency and reliability are further improved.
Owner:GEN SEMICONDUCTOR (ANHUI) CO LTD

Floating interactive intelligent display chip based on dynamic distance sensing and preparation process

The invention discloses a floating interactive intelligent display chip based on dynamic distance sensing and a preparation process, and relates to the field of integrated chip preparation, the floating interactive intelligent display chip comprises a substrate layer, a buffer layer, an intrinsic layer, a multi-quantum well layer, a barrier layer, a source electrode, a grid electrode, a p-GaN layer, an anode and a drain electrode, the buffer layer, the intrinsic layer, the multi-quantum well layer and the barrier layer are sequentially arranged on the substrate layer, and the source electrode, the grid electrode, the p-GaN layer, the anode and the drain electrode are sequentially arranged on the substrate layer. The source electrode is arranged on one side of the upper surface of the barrier layer, the grid electrode is arranged in the middle of the upper surface of the barrier layer, the p-GaN layer is arranged on the other side of the upper surface of the barrier layer, and the anode and the drain electrode are sequentially arranged above the p-GaN layer. An InGaN / GaN multi-quantum well structure is embedded into a p-GaN HEMT epitaxial layer structure to form a light-emitting HEMT structure, and a driving transistor, a light source and a photoelectric detector are subjected to monolithic integration, so that a floating interactive intelligent display chip with an epitaxial integrated structural characteristic is realized.
Owner:SHANGHAI UNIV

Arylamine derivative and organic electroluminescent device thereof

The invention provides an arylamine derivative and an organic electroluminescent device thereof, and relates to the technical field of organic electroluminescent materials. The invention aims to solve the technical problems of low luminous efficiency and short service life of an organic electroluminescent device caused by low mobility of a current hole transport material and low refractive index of a covering layer material. The compound provided by the invention has high hole mobility and refractive index, good thermal stability and good film-forming property, and can significantly improve the luminous efficiency and service life of a device, optimize the light extraction effect and block impurities. The organic light-emitting device can be widely applied to the fields of panel display, illumination light sources, flexible OLEDs, electronic paper, organic solar cells, organic photoreceptors or organic thin film transistors, indication boards, signal lamps and the like.
Owner:CHANGCHUN HYPERIONS TECH CO LTD

A semiconductor laser element

ActiveCN116780339BImprove injection efficiencyImprove radiative recombination efficiencyLaser detailsLaser active region structureCharge density waveParticle physics
The application provides a semiconductor laser element, which comprises, from bottom to top, a substrate, a lower confinement layer, a lower waveguide layer, an active layer, an upper waveguide layer, an electron blocking layer and an upper confinement layer; a topological Dirac electron point layer is arranged between the upper waveguide layer and the electron blocking layer, and a topological Dirac electron point layer is arranged between the electron blocking layer and the upper confinement layer; the active layer is a periodic structure composed of a well layer and a barrier layer, and the number of periods is 3 >= m >= 1; the well layer is any one or any combination of InGaN, InN, AlInN and GaN, and the thickness is 10-80 angstrom meters; and the barrier layer is any one or any combination of GaN, AlGaN, AlInGaN, AlN and AlInN, and the thickness is 10-120 angstrom meters. The semiconductor laser element provided by the application can generate non-local effects between electrons and electrons through the cage lattice structure of the arranged topological Dirac electron point layer, and can inhibit the charge density wave and the quantum limited Stark effect.
Owner:GEN SEMICONDUCTOR (ANHUI) CO LTD

Battery electrolyte injection fixtures and battery production lines

This application relates to the field of battery production equipment technology, and discloses a battery electrolyte injection fixture and a battery production line. The battery electrolyte injection fixture includes a driving device, a first clamping part, and a second clamping part. The driving device is drivenly connected to the first and second clamping parts. The first clamping part has a first clamping surface, and the second clamping part has a second clamping surface. The first and second clamping surfaces are disposed opposite to each other. The first clamping surface is a curved surface convex towards the second clamping surface. When the driving device drives the first and second clamping parts to clamp the battery cell, the battery cell has a first sidewall and a second sidewall along a first direction. The first clamping surface corresponds to the first sidewall, and the second clamping surface corresponds to the second sidewall. At least a portion of the first sidewall is intermittently abutted by the corresponding portion of the first clamping surface. The purpose of this technical solution is to improve the uniformity of electrolyte wetting inside the battery cell, shorten the wetting time, and improve the overall battery performance.
Owner:CONTEMPORARY AMPEREX TECHNOLOGY CO LTD

Light emitting diode and light emitting device

The invention discloses a light emitting diode and a light emitting device, in the light emitting diode, an electron blocking layer is formed between a second semiconductor layer and an active layer, an insertion layer is formed between the electron blocking layer and the active layer, the insertion layer comprises a first layer structure, a second layer structure and a third layer structure which are stacked in sequence, the first layer structure and the third layer structure are AlN layers, and the second layer structure is an AlGaN layer or a GaN layer. According to the insertion layer, the AlGaN layer or the GaN layer is formed between the two AlN layers, meanwhile, the Al content in the AlGaN layer is controlled to be lower than 10%, due to the fact that the AlGaN layer or the GaN layer with the low Al content is narrow in energy gap, and AlN has a very wide energy gap, obvious energy gap difference is formed between the material layers of the insertion layer, the energy gap difference can form a tunneling effect, the hole injection energy level is reduced, and the hole injection efficiency is improved. Therefore, the electron hole recombination efficiency of the active layer is improved, and the light emitting effect of the light emitting diode is improved.
Owner:XIAMEN SANAN OPTOELECTRONICS CO LTD

Battery filling system and battery filling method

The embodiment of the present application discloses a battery liquid filling system and a battery liquid filling method. The battery liquid filling system includes a frame, a liquid preparation device and a liquid filling device. The liquid filling device includes a shell, a liquid filling assembly and a positive and negative pressure switching interface. The shell has a accommodating chamber. The liquid filling assembly and the positive and negative pressure switching interface are both arranged on the shell and are not connected to each other. The positive and negative pressure switching interface is used to evacuate the accommodating chamber in a sealed state and the battery cell located in the accommodating chamber, or to introduce gas into the accommodating chamber in a vacuum state. The liquid filling assembly is used to inject liquid into the battery cell. The liquid preparation device includes a moving mechanism and a liquid separation valve. The moving mechanism is used to drive the liquid separation valve to move so that the liquid separation port and the liquid inlet of the liquid preparation assembly can be detachably docked. In the battery liquid filling system of the embodiment of the present application, when the accommodating chamber is evacuated through the positive and negative pressure switching interface, the electrolyte in the liquid filling assembly will not enter the positive and negative pressure switching interface, thereby reducing the probability of electrolyte crystallization and increasing the smoothness of vacuuming.
Owner:CONTEMPORARY AMPEREX TECHNOLOGY CO LTD

Liquid injection device

The utility model discloses a liquid injection device, and relates to the technical field of battery production. The liquid injection device is used for injecting liquid into the battery cell and comprises a liquid storage cup, a liquid injection piece and an atomization mechanism; the liquid storage cup is used for supplying electrolyte; the liquid injection part is at least partially inserted into the battery cell; the atomizing mechanism is arranged between the liquid storage cup and the liquid injection part, and the atomizing mechanism is used for atomizing the electrolyte flowing through the atomizing mechanism, so that the atomized electrolyte is injected into the battery cell through the liquid injection part. Therefore, after the electrolyte is atomized by the atomizing mechanism, the electrolyte injected into the battery cell is in a tiny liquid drop shape, so that the interior of the battery cell can be fully infiltrated in the liquid injection stage; compared with the prior art, high-temperature standing is not needed, the total time of liquid injection is saved, the liquid injection efficiency is improved, and the infiltration effect of the electrolyte is also improved.
Owner:SUNWODA MOBILITY ENERGY TECHNOLOGY CO LTD

A soft package battery liquid injection packaging device

The utility model discloses a kind of soft package battery liquid injection packaging devices, comprising: transport component, transport component includes fixed frame and track, fixed frame and track stretch along first direction;Liquid injection component, liquid injection component is set on track upside, liquid injection component is fixed on fixed frame, liquid injection component includes liquid injection valve and first drive cylinder, and first drive cylinder drives liquid injection valve to move along second direction;Packaging component, several packaging components are set on track upside, and packaging component includes second drive cylinder and press-fit plate, and second drive cylinder is connected press-fit plate, and second drive cylinder drives press-fit plate to move along second direction;By setting liquid injection component and packaging component in same device, it is favorable to improve the efficiency of battery liquid injection and packaging, simultaneously by loading multiple packaging components, it is favorable to carry out packaging processing together after the liquid injection of multiple soft package batteries, to improve the production efficiency of soft package battery.
Owner:JIANGSU HUANAN LITHIUM TECHNOLOGY CO LTD

Denitration agent feeding and spraying device for carbon calcining furnace

The utility model discloses a carbon calcining furnace denitrifying agent dosing and spraying device, which belongs to the technical field of calcining furnaces, and comprises a mixing pipe, the rear end of the mixing pipe is fixedly connected with a compressed gas inlet pipe, the upper side surface of the mixing pipe is fixedly connected with a powder material inlet pipe, the front end of the mixing pipe is fixedly connected with a discharge pipe, and the discharge pipe is fixedly connected with an air inlet pipe. A discharging pipe is fixedly connected to the front end of the powder material inlet pipe, a spraying pipe is fixedly connected to the front end of the discharging pipe, a material guiding plate is fixedly installed at the front end of the interior of the spraying pipe, and a filtering part is connected to the middle of the interior of the powder material inlet pipe in a threaded mode. Large-particle and blocky materials in the added denitration agent are sieved by the sieve plate on the filtering part, so that blockage of the spraying device caused by the large-particle and blocky denitration agent during spraying is avoided, the spraying efficiency of the spraying device is improved, the sprayed denitration agent can be in contact with gas in a large range, and the denitration work is realized.
Owner:MEISHAN GUOXING CARBON MATERIAL CO LTD