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77results about How to "Reduce direct contact area" patented technology
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Wafer carrier for minimizing contacting area with wafers
InactiveUS20060216942A1Reduce direct contact areaReduce generationSemiconductor/solid-state device manufacturingPackaging toiletriesEngineeringFront and back ends
A wafer carrier is provided. The wafer carrier includes a storage holding member for storing a plurality of wafers and includes a plurality of open portions. The wafer carrier further includes a front fixing plate and a rear fixing plate disposed at a front and a rear end of the storage holding member, respectively. The front and rear fixing plates each face a side of at least one of the plurality of wafers. Moreover, left and right edges of the plurality of wafers stored in the storage holding member are exposed by the plurality of open portions.
Owner:SAMSUNG ELECTRONICS CO LTD
Method for preparing blocky ferric trichloride
The invention relates to a method for preparing blocky ferric trichloride. Blocky ferric trichloride can be produced both under constant-temperature crystal growing condition at 5-10 DEG C and at high-temperature environment temperature by adjusting the parameters of crystal cooling and crystal growing. In addition, solid ferric trichloride is used as a raw material, and impurities in the traditional pickling waste liquid are prevented from being mixed into a product; and chlorine gas is used as an oxidizing agent and does not contain any impurity. Finally, the blocky ferric trichloride can be directly obtained through crystal growing, the area of blocky ferric trichloride in direct contact with the air is small, the problem that ferric trichloride absorbs moisture easily can be effectively solved, the quality guarantee period of the product is prolonged, and the blocky ferric trichloride is easy to store and transport.
Owner:3R ENVIRONMENTAL TECH CO LTD
Preparation method for silicon-carbon composite negative electrode material
InactiveCN107017384AImprove liquidityCover tightlyCell electrodesSecondary cellsCarbon compositesCarbonization
The invention discloses a preparation method for a silicon-carbon composite negative electrode material. The preparation method comprises the steps of performing dispersing on nanometer silicon, graphite and an organic matter separately and mixing in proportion; next, performing heating and drying and heating until the temperature reaches an organic matter softening point temperature or above, and performing fusing and binding and low-temperature carbonization to obtain an organic matter cracked carbon-coated primary coating material; performing dispersing on the organic matter and the primary coating material separately and mixing in proportion; and next, performing heating and drying and heating until the temperature reaches an organic matter softening point temperature or above, and performing fusing and coating and high-temperature carbonization to obtain an organic matter cracked carbon-coated secondary coating material, namely the silicon-carbon composite negative electrode material provided by the invention. The initial reversible capacity of the negative electrode material prepared by the method can reach 649mAh / g, and the capacity retention ratio after 50 cycles can be maintained at 85.36%, and quite excellent cycling performance is shown; and in addition, the preparation method has a simple and environment-friendly process, low energy loss, rich silicon and graphite raw material resource, low cost and high safety, and is suitable for industrial production and use.
Owner:SHAANXI COAL & CHEM TECH INST +1
Puncture outfit sealing system capable of being turned inwards wholly
Owner:5R MED TECH CHENGDU CO LTD
Air film resistance reducing model based on wettability regulation and manufacturing method thereof
The invention provides an air film resistance reducing model based on wettability regulation. An air film resistance reducing layer of the air film resistance reducing model is composed of multiple hydrophilic areas and multiple super-hydrophobic areas. The multiple hydrophilic areas and the multiple super-hydrophobic areas are distributed in an alternating mode. The intrinsic contact angle of each hydrophilic area is smaller than 42 degrees. The intrinsic contact angle of each super-hydrophobic area is larger than 165 degrees. Compared with supercavitation resistance reduction, energy consumption of the model is smaller, and the machining difficulty and cost are lower; compared with ventilating air film resistance reduction, an air film can be maintained by one-time micro-scale ventilation, limitation to the shape of a navigation body is avoided, and the air film is suitable for water surface ships and underwater vehicles. Compared with super-hydrophobic surface resistance reduction, the air film can be maintained stably, and persistence and effectiveness of the resistance reducing effect are achieved; meanwhile, by adjusting distribution shapes and areas of the hydrophilic and hydrophobic areas of the surface of the model and the thickness of the air film, the different resistance reducing effects can be achieved, and practical engineering application can be achieved easily.
Owner:NORTHWESTERN POLYTECHNICAL UNIV
Positive electrode plate, negative electrode plate and high-rate rapid-charge lithium ion battery
InactiveCN110061188AReduce temperature riseImprove securitySecondary cellsNon-aqueous electrolyte accumulator electrodesHigh rateInternal resistance
The invention relates to a positive electrode plate for a high-rate rapid-charge lithium ion battery, a negative electrode plate and the high-rate rapid-charge lithium ion battery. The positive (negative) electrode plate is characterized by comprising a positive (negative) current collector, a positive (negative) active substance coating layer and an ion conduction coating layer, wherein the positive (negative) current collector is provided with two opposite surfaces, the positive (negative) active substance coating layer is coated on at least one surface of the positive (negative) current collector, and the ion conduction coating layer is coated on the positive (negative) active substance coating layer. The high-rate rapid-charge lithium ion battery comprising the positive electrode plateand the negative electrode plate is low in internal resistance, small in charge-discharge temperature rising, high in initial charge-discharge efficiency and good in cycle property and safety.
Owner:长沙市秒冲电池技术与材料研究所
Alkaline zinc-manganese dioxide cell
InactiveCN108598516AImprove discharge performanceReduce hydrogen evolutionDry cellsElectrolysisPolyethylene glycol
The invention relates to the field of alkaline zinc-manganese dioxide cells, and specifically relates to an alkaline zinc-manganese dioxide cell. The alkaline zinc-manganese dioxide cell comprises a positive electrode cap (1), a positive electrode ring (2), a steel shell (3), a current collector copper nail (4), a negative electrode zinc gel (5), diaphragm paper (6), a sealing ring (7), a supportring (8) and a negative electrode bottom (9); the positive electrode ring (2) is composed of electrolytic manganese dioxide, conductive agent graphite and electrolyte; and the negative electrode zincgel (5) comprises zinc powder, a binding agent, an expanding agent, an electrolyte potassium hydroxide solution and polyethylene glycol 2000. According to the alkaline zinc-manganese dioxide cell provided by the invention, the discharge performance of the alkaline zinc-manganese dioxide cell is not influenced or even slightly improved, and the problem of expansion of the zinc gel is effectively solved; and meanwhile, the hydrogen content of the cell is remarkably reduced, and the liquid leakage risk of the cell is greatly reduced, therefore, the discharge performance of the cell is effectivelyimproved, the storage life of the cell is prolonged, and the safety performance of the cell is remarkably improved.
Owner:GUANGDONG LIWANG NEW ENERGY
Cathode material of zinc-nickel secondary batteries and preparation method thereof
InactiveCN101159326AReduce direct contact areaImprove cycle performanceElectrode manufacturing processesFiberLight equipment
The invention discloses a negative material of a zinc-nickel rechargeable battery which is a composite material containing Sn6O4(OH)4-surface-modified ZnO, metal Zn powder and nano-carbon fiber, the quality percentage is 85-95 percent and 4-13 percent for Sn6O4(OH)4-surface-modified ZnO and metal Zn powder respectively, and the rest is for nano-carbon fiber, wherein the quality percentage of Sn6O4(OH)4 in ZnO is 1-25 percent. PTFE, CMC and PVA are added in the present negative material as binder, stirred uniformly with deionized water and then coated in the current collector foam nickel, and by the processes of drying and pressing, a Zn cathode is fabricated. By using the material to fabricate zinc-nickel rechargeable batteries, the batteries have long service life, stable circulation performance, and can be applied to electric tools, transportation means, electric toys, household appliances, communication instruments and lighting equipment etc.
Owner:ZHEJIANG UNIV +1
Binding-phase-free WC-based hard alloy cutter material and preparation method thereof
The invention discloses a binding-phase-free WC-based hard alloy cutter material and a preparation method thereof. According to the invention, tungsten carbide is used as a base material; nano complexphase ceramic doping is adopted, and the effects of defect reinforced sintering and liquid-phase reinforced sintering are synergistically exerted; meanwhile, two-dimensional graphene nanosheets and one-dimensional carbon nanotubes are hybridized to serve as a synergistic strengthening and toughening phase and a densification phase of the binding-phase-free WC-based hard alloy cutter material; thegraphene is loaded with carbon nanotube, the graphene is supported by the carbon nanotubes; a three-dimensional strengthening and toughening and rapid heat conduction network is constructed; dispersing agents which enable the two components to be mutually dispersed; a contact area of the graphene-carbon nano tube and a cutter material matrix is increased, and a graphene and carbon nano tube synergistic toughening mechanism and a synergistic heat conduction mechanism are formed in the aspect of function, so that the bending strength, Vickers hardness and fracture toughness mechanical properties of the obtained binding-phase-free WC-based hard alloy cutter material are greatly improved. The adopted graphene-carbon nanotube three-dimensional space structure has a high heat conduction coefficient, and the heat dissipation capacity of the cutter is greatly improved.
Owner:XI AN JIAOTONG UNIV
Coiling needle of square lithium battery
InactiveCN104466262AReduced risk of short circuitsReduce direct contact areaFinal product manufactureSecondary cellsThin shellsScrap
The invention discloses a coiling needle of a square lithium battery. The coiling needle of the square lithium battery comprises a needle core and a shell, wherein two sides of the needle core have protruded acute angles and are of scabbard shapes, the inside of the needle core is hollow, through holes are uniformly distributed in the side wall of the needle core, the base part of the needle core is provided with a gas inlet communicated with the inside of the needle core, the shell is a thin shell layer wrapping the periphery of the needle core, and the thin shell layer is provided with a run-through bar-type groove. The coiling needle of the square lithium battery has high stability and good winding effect, the winding precision and the quality of the battery product are greatly improved, the scrap rate of the battery cell is lower then 10% in a winding process, and the scrap rate of a ceramic membrane is greatly reduced in a winding process.
Owner:HEFEI GUOXUAN HIGH TECH POWER ENERGY
Composite material space truss joint and method
ActiveCN103397702AFirmly connectedTroubleshoot node connectivity issuesBuilding constructionsPre stressEngineering
The invention discloses composite material space truss joint and method. The composite material space truss joint comprises composite material square tube connectors, composite material circular tube connectors and a bolt-sphere joint. The composite material square tube connectors and the composite material circular tube connectors are connected with the bolt-sphere joint through high-strength bolts. The composite material space truss joint covers reliable connection of two closed sections of most frequently used circular tubes and square tubes in the space truss structure, joint form is complete, and the problem of the joint of the composite material closed sections in the application of the space truss structure is basically solved. Steel slabs and the cementitious composite connecting mode can provide joint strength as required in the structure, and the advantages of high strength of composite materials can be effectively exerted. Winding of aramid fiber cloth helps improve the overall performance of the joint, so that the joint strength is further improved, and anti-corrosion area in joint regions are reduced. Joint production is completed in factories that guarantee production precision, on-site assembly is fast, assembly fee is low, and time limit is short. Prestress application is omitted during the production, and bearing capacity degradation caused by creep of the composite materials is no need to worry about.
Owner:SOUTHEAST UNIV
Admixture for marine engineering concrete and preparation method of admixture
The invention relates to the field of buildings, in particular to an admixture for marine engineering concrete and a preparation method of the admixture. The admixture is prepared from raw materials in parts by weight: 100-150 parts of a water reducing agent, 0.5-1 part of tetramethylammonium iodide, 1-5 parts of sodium ethoxide, 3-5 parts of polyacrylamide, 30-50 parts of a surfactant, 15-20 parts of a rust inhibitor, 30-50 parts of an expansion agent, 3-5 parts of a retarder, 6-10 parts of a deforming agent and 0-80 parts of water. The invention aims to overcome the shortcomings of the priorart and provide the admixture for the marine engineering concrete and the preparation method of the admixture, the effects of water reduction, rust resistance, defoaming and retarding are achieved, and the effects are improved; the admixture is added into the concrete, so that the flowability of concrete slurry is improved, retentivity is good, the water reduction rate is high, the density of theconcrete is improved, good flocculability is achieved, and the friction resistance between liquid can be reduced; and the grinding efficiency is improved, and the admixture has the characteristics ofexcellent anti-permeability, fast hardening and early strength, high later strength and the like.
Owner:广西云燕特种水泥建材有限公司
Non-stick frying pan and production process thereof
InactiveCN105559519AIncrease contact areaFacilitate conductionCooking-vessel materialsWater basedAdhesion force
The invention discloses a non-stick frying pan and a production process thereof. The non-stick frying pan comprises a pan body and a handle, wherein a layer of rough surface, which is formed by steel ball collision, is arranged on the inner surface of the pan body; and a water-base polytetrafluoroethylene paint is coated on the rough surface. The non-stick frying pan disclosed by the invention has the following beneficial effects: 1. through the roughness of the substrate of the pan body, adhesion force is enhanced and service life is prolonged; 2. a liquid contact area is increased and thermal energy conductivity is improved; 3. the direct contact area with solid food materials is reduced and cooking fume is relieved; 4. the non-stick frying pan is commonly used in various fire source such as an induction cooker, a gas cooker and briquette; and 5. since the pan body is thinner than a pot bottom or a pot opening, the non-stick frying pan is uniform in heat conduction and is material-saving.
Owner:ZHEJIANG COOKER KING COOKER
Novel storage battery housing
InactiveCN109994681AGuaranteed to workTo achieve the purpose of coolingDispersed particle filtrationBattery isolationComputer engineeringPulley
Owner:北京汇生活网络科技有限公司
Vacuum cup with dual-purpose cup cover
PendingCN110652157AConvenient drinking waterDoes not take up extra carrying spaceDrinking vesselsDual purposeFastener
The invention discloses a vacuum cup with a dual-purpose cup cover, and relates to the technical field of vacuum cups. The vacuum cup comprises a cup cover body and a cup body, wherein the cup cover body comprises an upper cup cover, a middle cup cover and a lower cup cover, and a water bowl sleeves the lower end of the cup body; the upper cup cover and the middle cup cover are hinged to the lowercup cover through rotation shafts, a communicating pipe is arranged on the lower cup cover, a lower straw sleeves the lower end of the communicating pipe, the lower straw is arranged in the cup body,an upper straw sleeves the upper end of the communicating pipe, the upper straw is arranged in the middle cup cover, a direct drinking hole is further formed in the lower cup cover, the upper cup cover is fixed on the middle cup cover in a fastening manner through an upper cover fastener, the middle cup cover is fixed on the lower cover through a middle cover locking part, and a safe lock is arranged in the middle cover locking part. The invention provides the vacuum cup with the dual-purpose cup cover, which is convenient and rapid to use, good in sealing property, strong in functionality, and high in safety.
Owner:昆山麦丰精密工业有限公司
Integrated transparent light and thin type protective mask and manufacturing method thereof
PendingCN111358080AImprove the protective effectEasy to put on and take offProtective garmentClothes making applicancesThin membraneEngineering
The invention discloses an integrated transparent light and thin type protective mask and a manufacturing method thereof, and relates to the technical field of health protective articles. The integrated transparent light and thin type protective mask comprises a mask part tightly attached to the face of a human body; an eyeshade part, wherein the eyeshade part and the mask part are integrally formed; and a wearing piece which is arranged on the mask part and / or the eyeshade part and is used for being worn by a user. According to the invention, the functions of the mask and the goggles are integrated; the protective mask is made of a transparent film material, is tight in protection and low in manufacturing cost through an integrally-formed design, can clearly distinguish the identity of awearer through the face, and has the advantages of being simple in structure, ingenious in design, low in cost, light, comfortable, good in protection effect, uniform in airflow circulation, convenient to identify the identity and convenient to put on and take off.
Owner:SHENZHEN FROG NEST MEDICAL TECH CO LTD
Preparation method for Fe3O4-PAMAM-ZnO-TiO2 core-shell-shell-structured nanoparticles
InactiveCN105498851AReduce direct contact areaBarrier to direct penetrationOrganic-compounds/hydrides/coordination-complexes catalystsTitanium chlorideNanoparticle
The invention relates to a method for preparing paramagnetic Fe3O4-PAMAM-ZnO-TiO2 core-shell-shell-structured nanoparticles by taking polyamide-amine(PAMAM) dendrimers as a template and a separation layer in a low-temperature aqueous solution. The method is characterized in that firstly, the PAMAM dendrimers are firstly taken as the template, and a paramagnetic Fe3O4-PAMAM nanoparticle colloidal solution is prepared by adopting a coprecipitation method; secondly, the PAMAM dendrimers are added to wrap Fe3O4-PAMAM nanoparticles; thirdly, under the alkaline condition, soluble zinc salt is added to generate a ZnO shell layer; fourthly, a titanium tetrachloride solution is added to generate a TiO2 shell layer, and then the paramagnetic Fe3O4-PAMAM-ZnO-TiO2 core-shell-shell-structured nanoparticles with the complete ZnO shell layer and TiO2 shell layer are prepared. The nanoparticles can be dispersed into a solution in a single particle mode and have the higher photocatalytic activity and magnetic recovery rate.
Owner:SHANDONG UNIV OF TECH
Doped Li/Ni/Mn/O material and preparation method thereof as well as lithium ion battery
InactiveCN104425811AReduce thicknessReduce dosageCell electrodesSecondary cellsManganeseRetention ratio
The invention discloses a doped Li / Ni / Mn / O material and a preparation method thereof as well as a lithium ion battery. The method comprises the following steps: (1) immersing a LiNi0.5Mn1.5O4 material into a metal M salt solution to be doped; taking out the material and drying to obtain a precursor; and (2) firing the precursor under an inert atmosphere to obtain the doped Li / Ni / Mn / O material. The doped Li / Ni / Mn / O material prepared by the preparation method is used as a positive electrode material and has better conductivity, capacity retention ratio and rate capability. The preparation method has a simple preparation process and the prepared product has good homogeneity and can be put into industrial production easily. According to the preparation method, the material to be doped enters crystal lattices of an active material, namely the Li / Ni / Mn / O material, so that the aim of being doped in the Li / Ni / Mn / O material is realized. Meanwhile, the thickness of the doped material covering the surface of the active material, namely the Li / Ni / Mn / O material is reduced, so that the use amount of the covered doped material is reduced and the resistance can be reduced when lithium ions come in and go out of the positive electrode active material.
Owner:CHERY AUTOMOBILE CO LTD
Alkaline zinc-based secondary battery negative electrode material and its preparing method
InactiveCN1885597AInhibition of dissolutionReduce solubilityElectrode manufacturing processesAlkaline accumulator electrodesMass ratioDistilled water
The disclosed preparation method for Sn6O4(OH)4 surface-modified ZnO battery cathode material comprises: selecting SnCl2 and ZnO by mass ratio as 1-30%, solving SnCl2 into strong HCl with mass at least as one time of the SnCl2 completely, diluting with distilled water to adjust SnCl2 concentration in 0.1-10g / L; adding ZnO to stir and filter, cleaning, and drying. This invention is simple ns reliable, and has high utility on ZnO and fit to wide application.
Owner:ZHEJIANG UNIV
Display panel and manufacturing method thereof, and display device
ActiveCN109638057AEnsuring Package ReliabilityAvoid enteringSolid-state devicesSemiconductor/solid-state device manufacturingElectricityDisplay device
The embodiment of the invention provides a display panel and a manufacturing method thereof, and a display device, and related to the field of display technology, which are used to solve the problem that the encapsulation layer in the display panel in the prior art is easy to peel off. The display panel includes a display area and a non-display area surrounding the display area; the display area includes a plurality of light emitting units; each of the light emitting units includes a first electrode, a light emitting layer and a second electrode which are arranged in a stack; the non-display area includes a metal layer and an inorganic layer, which contact each other, wherein the metal layer is electrically connected to the second electrodes located in the display region, and the metal layer includes an opening, the opening is filled with an organic layer, and the organic layer is in contact with the metal layer and the inorganic layer.
Owner:SHANGHAI TIANMA MICRO ELECTRONICS CO LTD
Food package sealing detection equipment
InactiveCN113390561AImprove detection efficiencyEasy to placeFluid-tightness measurementFood packagingStructural engineering
The invention belongs to the technical field of food package detection, particularly relates to food package sealing detection equipment, and aims to solve the problem that a detection device is low in detection efficiency. The food package sealing detection equipment comprises a workbench, two side plates are symmetrically fixed to the two sides of the top of the workbench, and a vertical plate is fixed between the two side plates; a plurality of first sliding grooves which are evenly distributed are formed in the front end of the vertical plate, first sliding blocks are slidably connected into the first sliding grooves, first springs are fixed between the first sliding blocks and the inner walls of the first sliding grooves, the front ends of the first sliding blocks are connected with lower pressing plates, every two adjacent lower pressing plates are connected, impact blocks are movably connected to the bottoms of every two adjacent lower pressing plates, a third opening is formed in the front end of the lower pressing plate, and a driving mechanism is arranged on the workbench. According to the food package sealing detection equipment, the insertion rod is jacked up by the food packaging bag without leakage, so that the two electrode plates are in contact, the display lamp is lightened, and the insertion rod cannot be jacked up by the packaging bag with leakage, so that the detection efficiency of the device is effectively improved.
Owner:杨振
Surface coated positive electrode material and preparation method thereof, and battery
ActiveCN109755551AReduce direct contact areaReduce riskCell electrodesSecondary cellsPhysical chemistrySide reaction
The invention relates to a surface coated positive electrode material and a preparation method thereof, and a battery; the preparation method comprises the following steps of surface treatment, metalion adsorption, deposition treatment and oxidation sintering. The method has the beneficial effects that the self-adsorption of metal cations is utilized, so that the obtained coating layer is uniformand complete, the direct contact area of the active substance and the electrolyte can be greatly reduced, and the risk of side reaction is reduced; the in-situ growth mechanism is adopted, so that the size of the deposited particles can be regulated and controlled, the size is between the nanometer crystal and micron interval, and the compactness of the coating layer is controlled; the thicknessof the coating layer can be adjusted and controlled by adjusting the number of deposition times of in-situ growth, so that a better protection effect can be obtained; an agglomeration phenomenon occurring during conventional wet-process coating can be avoided; an and the in-situ coating method is adopted, and severe stirring is not needed, so that physical crushing caused by secondary ball formingis avoided.
Owner:湖南桑瑞新材料有限公司
Lithium ion battery with high energy density
PendingCN113555541AImprove conductivityHigh specific capacitySecondary cellsNon-aqueous electrolyte accumulator electrodesElectrolytic agentHigh energy
The invention belongs to the technical field of lithium ion batteries. A lithium ion battery with high energy density comprises a positive plate, a negative plate, a diaphragm and an electrolyte, the positive plate comprises a positive current collector and a positive composite material, and the positive composite material comprises a positive active material, a positive conductive agent and a binder; the positive electrode conductive agent comprises lithium iron phosphate coated with a carbon nano tube; and the positive active material has a shell-core structure, a shell layer is LiNi0. 5Mn1. 5O4 coated with graphene, a core layer is LiNixCoyMn1-x-yO2, x is greater than or equal to 0.1 and less than or equal to 0.9, y is greater than or equal to 0.05 and less than or equal to 0.9, x + y is greater than or equal to 0.1 and less than or equal to 0.95, the material of the shell layer accounts for 5-25% of the mass of the material of the core layer, and the mass of LiNi0. 5Mn1. 5O4 accounts for 90-95% of the total mass of the material of the shell layer. The lithium ion battery disclosed by the invention has relatively high energy density, electrochemical performance, rate capability and cycling stability.
Owner:PHENIX NEW ENERGY HUIZHOU CO LTD
Calcium fluoride coated lithium nickel manganate and preparation method thereof
InactiveCN109065868AImprove high temperature electrochemical cycle performanceReduce solubilityCell electrodesSecondary cellsWater bathsLithium
The invention discloses a calcium fluoride coated lithium nickel manganate and a preparation method thereof. The preparation method comprises the following steps: uniformly mixing the ammonium fluoride solution with a mixed solution of lithium nickel manganate and calcium nitrate; performing Water bath reaction at 60 to 90 degree centigrade for 5 to 10 hours, centrifuging, wahsing, drying, and calcining to obtain calcium fluoride coated lithium nickel manganate; The calcination temperature is 200 to 500 degree centigrade for 2 to 6 hours; In the calcium fluoride coated lithium nickel manganate, the mass ratio of calcium fluoride to lithium nickel manganate is 0.5% to 8%. The calcium fluoride coated lithium nickel manganate prepared by the method has uniform distribution and can remarkablyimprove the high-temperature cycling performance of the lithium nickel manganate material.
Owner:SHANGHAI ELECTRICGROUP CORP
New energy automobile tail anti-collision device
The invention relates to the technical field of new energy automobiles, in particular to a new energy vehicle tail anti-collision device which comprises a connecting and installing unit, a transverseframe unit, an anti-collision tail plate, an anti-collision side plate and a buffering unit, and the connecting and installing unit is connected to the front end of the transverse frame unit; the anti-collision tail plate is connected to the rear end of the transverse frame unit; the anti-collision tail plate is in transmission connection with the buffer unit; the buffer unit is connected to the transverse frame unit; the connecting and installing is in transmission connection with the two anti-collision side plates; the two anti-collision side plates are symmetrically arranged at the left endand the right end of the transverse frame unit in a sliding fit mode. The anti-collision side plates are arranged in the device, collision from the side rear portion of an automobile can be bufferedand protected through the anti-collision side plates, and damage of automobile accidents to the automobile is reduced.
Owner:张扬
Hydrosol-hydrated salt-porous material composite system with flowability as well as preparation method and application of hydrosol-hydrated salt-porous material composite system
ActiveCN113136167AImprove liquidityModular development is convenientHeat-exchange elementsHydration reactionEnergy storage
The invention discloses a hydrosol-hydrated salt-porous material composite system with flowability as well as a preparation method and application thereof. The hydrosol-hydrated salt-porous material composite system with flowability comprises a hydrosol system and a hydrated salt-porous material compound dispersed in the hydrosol system, the mass ratio of the hydrosol system to the hydrated salt-porous material compound is (80: 20)-(50: 50), the hydrated salt-porous material compound comprises a porous material and a hydrated salt phase change compound adsorbed in an open pore channel of the porous material, and the hydrosol system comprises hydrosol and a precipitator dispersed in the hydrosol. And the hydrated salt phase change compound located at the open end of the open pore channel reacts with a precipitant to form an insoluble precipitate, and the open end is blocked. The system can be suitable for preparing phase-change energy storage modules with various complex shapes and filling energy storage containers with various complex shapes, and can also be applied to phase-change energy storage products with requirements on flowability.
Owner:QINGHAI INST OF SALT LAKES OF CHINESE ACAD OF SCI
Carbonic ester-based electrolyte with ether oxygen bond functional group and application of carbonic ester-based electrolyte
PendingCN114421015AWide electrochemical stability windowWide liquid rangeLi-accumulatorsSecondary cells servicing/maintenanceMetallic lithiumElectrolytic agent
The invention belongs to the technical field of batteries, and particularly relates to a carbonic ester-based electrolyte with an ether oxygen bond functional group and application of the carbonic ester-based electrolyte. The carbonic ester-based electrolyte with the ether oxygen bond functional group comprises a carbonic ester solvent, a lithium salt and an additive, wherein the molecular structure of the carbonic ester solvent contains an ether oxygen bond. The electrolyte has a high boiling point and a high flash point, the high-temperature performance of the battery can be improved, the self-extinguishing time of the electrolyte is shortened, and the safety of the battery is further improved. In addition, the electrolyte has good compatibility with a traditional graphite negative electrode, solvent co-intercalation does not occur, and it is guaranteed that the lithium ion battery has excellent cycle stability. Moreover, the electrolyte has excellent interface stability with the metal lithium, and the dissolution-deposition efficiency of the metal lithium can be greatly improved, so that the cycle life of the lithium metal battery is prolonged. The carbonic ester-based electrolyte has a good application prospect in the fields of lithium ion batteries and lithium metal batteries.
Owner:FUDAN UNIV
Super-amphiphobic composite coating, and preparation method and application thereof
InactiveCN111560214AImprove wear resistanceImprove superamphiphobic propertiesPolyurea/polyurethane coatingsPriming paintsCoated surfaceOrganic solvent
The invention provides a super-amphiphobic composite coating, and a preparation method and an application thereof. In the super-amphiphobic composite coating disclosed by the invention, a micro-nano hierarchical structure is constructed by the micron-sized particles and nano-sized particles, so that the wear resistance of the coating can be enhanced. A large amount of air is embedded into the constructed micro-nano hierarchical structure, a continuous air layer can be formed, and then the super-amphiphobic performance of the coating is improved. And meanwhile, the direct contact area between aliquid and the surface of the coating is greatly reduced by the constructed micro-nano hierarchical structure, so that the super-amphiphobic performance is improved. In the super-amphiphobic composite coating, a chemical and physical double-crosslinked polyurethane primer is synthesized through a condensation polymerization, the primer can be crosslinked and cured to form a polyurethane primer layer in a room-temperature environment, and micro-nano hierarchical structures are strongly adhered to the surfaces of various base materials. Hydrophilic groups in polyurethane chain segments enable polymer molecules to have good water solubility, so that the use of organic solvents can be reduced, the cost is saved, and the composite coating is green and environment-friendly.
Owner:GUANGZHOU UNIVERSITY
Intelligent robot sterilizer capable of rotating in all directions
PendingCN112451702AImprove stabilityAvoid offsetLavatory sanitoryChemicalsElectric machineryStructural engineering
The invention discloses an intelligent robot sterilizer capable of rotating in all directions. The intelligent robot sterilizer comprises a bottom plate, a motor, a storage box, a water pump, a spraying device, a switch device and an operation panel, universal wheels are arranged at the bottom of the bottom plate, the motor is arranged on the inner wall of the bottom plate, a sliding way is formedin the top of the bottom plate, a protective shell is fixed to the top of a containing plate, a sliding block is arranged on the inner wall of the top of the sliding groove, a hinge is arranged on the right side of the bottom plate, a fixing plate is fixed to the inner wall of the protective shell, the spraying device is arranged on the outer wall of a water conveying pipe, and a sealing ring isfixed to the outer wall of the spraying device. The intelligent robot sterilizer capable of rotating in all directions is provided with a placement plate, guide wheels and the sliding way, so that thestability of the protective shell during rotation is improved, the phenomenon that the protective shell deviates is prevented, a user can conveniently drive the protective shell to rotate in all directions, the time spent by the user for rotating the protective shell is saved, and the working efficiency of the user is improved.
Owner:宋涛
Operating scalpel with grasping groove
InactiveCN107811681AReduce direct contact areaEasy to slipIncision instrumentsEngineeringFront panel
The invention discloses an operating scalpel with a grasping groove. The operating scalpel comprises an edge, a handle and a cover sleeve, wherein the edge is arranged on the front end of the handle,the cover sleeve is connected with the front end of the handle, the cover sleeve is the same as the edge in size, the cover sleeve consists of an upper panel, a front panel, a rear panel and a left panel, the lengths of the upper panel, the front panel and the rear panel are identical with the length of the edge, the height of the left panel is identical with that of the edge, the outside of the edge is coated with the cover sleeve, a hand groove is formed in the lower part of the middle end of the handle, the hand groove is 3cm-5cm long. The cover sleeve is additionally arranged outside the edge of the operating scalpel, the cover sleeve coats around the edge, so that the direct contact area of the edge and air can be reduced, and when a doctor is grasping the operating scalpel, the problem that the traditional handle has no place for the doctor to grasp to easily cause the slipping as the operating scalpel is made of steel can be solved.
Owner:四川梅塞尔科技有限公司
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