84results about How to "Optimize the transmission path" patented technology

The invention provides a lanthanide rare-earth ion-based CsPbBr3-doped all-inorganic perovskite solar cell and preparation method and application thereof. The preparation method comprises the steps ofmixing lanthanide rare-earth ions into a CsPbBr3 precursor solution, spinning a surface of a titanium dioxide transmission layer by a multi-step spinning technology to prepare a uniform and compact inorganic perovskite thin film, and finally, depositing a layer of carbon back electrode on a surface of the perovskite thin film to assemble the lanthanide rare-earth ion-based CsPbBr3-doped all-inorganic perovskite solar cell. By doping the lanthanide rare-earth ions, the transmission path of photo-generated carriers in a cell device is optimized, the electron lifetime is prolonged, and the photoelectric conversion efficiency and the stability of the cell are improved; and meanwhile, the preparation method has the characteristics of simplicity, no hole transmission layer, low cost, large rare-earth element combination space and the like and is an effective mode of improving the performance of the all-inorganic perovskite solar cell and reducing the fabrication cost.

The invention provides an optimizer and an optimizing method and system for an online game. The acceleration method for the online game includes the steps that an online game list is obtained and displayed; the online game to be started is determined according to selection operation, on the online game list, of a user; game data corresponding to the online game are sent to an online game acceleration server, and the transmission state of the game data is obtained; an online game acceleration option matched with the transmission state is provided on an interface according to the transmission state. By the utilization of the technical scheme, the online game list is automatically provided for the user, after user selection is received, data transmission acceleration and game operation are automatically performed, the user does not need to perform any configuration in the process of game acceleration, and the process of online game starting acceleration is achieved through one-off operation.

The embodiment of the invention discloses a transmission optimization method of an AP network, a first access point receives a call message sent to a second user by a first user; the first access point acquires the communication address of a second access point belonging to the second user; and the first access point establishes a direct-connecting transmission tunnel between the first access point and the second access point to enable the first user to communicate with the second user by the direct-connecting tunnel. In the embodiment of the invention, the transmission path of the AP network can be optimized, the transmission delay is improved, the bandwidth bottleneck of a core network is eliminated and meanwhile, the cost of the core network is lowered.

The invention discloses an in-situ nitrogen-doped carbon coated lithium titanate composite material. The in-situ nitrogen-doped carbon coated lithium titanate composite material is a composite material composed of a lithium titanate inner core and a nitrogen-doped carbon substance covering the surface of the lithium titanate inner core. The invention further discloses a method for preparing a lithium battery negative electrode material. The process disclosed by the invention is simple and easy to operate, and reaction conditions are moderate; a carbon coated layer of the prepared composite material is uniform, and the thickness is controllable; and the material has excellent circulating stability and rate performance when being used for the lithium ion battery negative electrode material.

The invention discloses a method and device for testing digital array module transmitting channel phase congruency. The method includes the following steps that a state control module based on an FPGA is established; on the rising edge of a clock signal, the state control module controls the operating state of a digital array module through an optical module, meanwhile the state control module is made to output a pulse signal which is synchronous with the operating state of the digital array module, and the synchronous relation between the digital array module and a pulse vector network analyzer is established with the synchronous signals as the link; under switching of a switching network, a plurality of transmitting signals are simultaneously input into a receiver channel of the pulse vector network analyzer, and transmitting channel phase congruency indexes are obtained through normalization computing and phase difference computing. According to the method, digital array module transmitting channel phase congruency testing is achieved through establishment of a synchronization mechanism and introduction of multi-channel coherence tests; meanwhile, the transmission path of transmitting signals is optimized, insertion losses of the channel are reduced, and impedance matching is improved.

The invention belongs to the field of solar cells, which discloses a solar cell. The solar cell has the following structure: a conducting layer performing the action of electrodes, a substrate, a nanometer column array formed by a semiconductor compound material, an optical activity material filling material, and a transparent conducting electrode layer and a protective electrode. The invention also discloses a preparation method of the solar cell. The solar cell provided by the invention is characterized in that the short circuit current of the solar cell is increased because of the semiconductor nanometer column array so as to improve the photoelectric conversion efficiency. Meanwhile, because the nanometer column array is filled with an organic active material, the periodic structure forms a photonic crystal structure, sunlight which is too late to be absorbed by the photoactive organic material can be irradiated again on the organic material by the reflecting action of the photonic crystal structure, and adsorption on the sunlight by the organic material is enhanced so as to improve the photoelectric conversion efficiency thereof.

The invention provides a bypass blocking method, device, system, and electronic device. The bypass blocking method comprises the steps that a bypass blocking device receives a mirror image report of predetermined message from a distributing device, wherein the distributing device is used for distributing the downstream data of an Internet service provider (ISP network); the bypass blocking devicedetermines whether blocking is required or not based on the mirror image report of the predetermined message, and generates a blocking report having the same destination address as the predetermined message, and sends the blocking report to a plurality of core routers. The invention is advantageous in that the disposition difficulty and cost of bypass blocking can be reduced, and the time-delay demand of the bypass blocking can be guaranteed to a certain degree.

The invention discloses a data frame sending method and access equipment. The data frame sending method and the access equipment are applied to a network with a deployed M-LAG on a convergence layer, a sub LAG is defined on the access equipment, and the sub LAG only contains a physical link between the access equipment and one convergence equipment, wherein a firewall connected with the convergence equipment is in a working state; the north-south traffic arriving at the access equipment is forwarded to the convergence equipment only through the physical link contained in the LAG, thereby optimizing a transmission path of the south-north traffic, guaranteeing that the north-south traffic accessing the external network cannot pass through the peer-link between the convergence equipment, and reducing the bandwidth pressure of the peer-link.

The invention relates to the technical field of lithium ion battery negative electrode materials, and discloses a phosphorus-doped lithium-vanadate lithium ion battery negative electrode material. Thematerial comprises the following formula raw materials: activated porous carbon, Li<3>V<0.85-0.95>P<0.05-0.15>O<4>, and an adhesive. According to the negative electrode material, the Li<3>V<0.85-0.95>P<0.05-0.15>O<4> is obtained through the P-doped Li<3>VO<4>, so the conductivity of the Li<3>V<0.85-0.95>P<0.05-0.15>O<4> is enhanced, and the diffusion and migration of metal ions and charges between the electrode material and the electrolyte are promoted; therefore, the voltage polarization in the charging and discharging process of the battery is reduced, the specific capacitance and the electrochemical reversible capacity of the battery are improved, and the electrochemical performance of the battery is enhanced. Moreover, through P-doped Li<3>VO<4>, the bond length of a Li-O bond is reduced, the key energy is increased, the Li<3>V<0.85-0.95>P<0.05-0.15>O<4> is promoted to form a cubic octahedral conical structure with a stable structure, and the phenomenon that the crystal structureof Li<3>V<0.85-0.95>P<0.05-0.15>O<4> is lost due to micro strain in the lithium intercalation and deintercalation processes is avoided, so the rate capability and the electrochemical cycling stabilityof the positive electrode material are enhanced.

The invention discloses a biodegradable polymer composite with high thermal conductivity. The biodegradable polymer composite comprises heat-conducting nanofiller and a biodegradable polymer with a shape memory characteristic, wherein the heat-conducting nanofiller is arranged in the biodegradable polymer in order. The heat-conducting nanofiller without chemical modification is mixed with the biodegradable polymer, by use of the shape memory characteristic of the polymer, the heat-conducting nanofiller is arranged in order by stretch induced self-assembly, meanwhile, the heat-conducting nanofiller arranged in order is used as a physical crosslinking site to maintain the orientation state of the material, after the obtained material is heated secondarily, the filler still keeps high orientation, a constructed orientated structure facilitates lap joint of an ordered filler network with a small quantity of heat-conducting nanofiller, so that the production cost is reduced, the material density is reduced, the strength and ductility of the material are enhanced, and the thermal conductivity of the material is improved.

The invention relates to the technical field of a lithium ion battery, and provides a preparation method of a flexible thin film lithium ion pole plate. The preparation method comprises the steps of S1, preparing a carbon nanotube solution in advance, and simultaneously preparing a nanometer fiber solution in an alkali solution; S2, placing an active substance into a carbon nanotube solution, andmaking the active substance and the carbon nanotube solution fully mixed to obtain a mixed solution; S3, placing the nanometer fiber solution into the mixed solution, and making the nanometer fiber solution and the mixed solution fully mixed to obtain mixed paste; and S4, injecting the mixed paste into a die, and placing the mixed paste in coagulating bath for processing to obtain the flexible thin film pole plate. The nanometer fiber is dissolved to a form of a molecule chain by employing a sodium hydroxide/urea system, and the flexible thin film pole plate with uniformly-distributed carbon nanotube tubes and active substance is prepared by a regeneration method after coagulating bath; and an excellent transmission path can be provided for electrons/ions by a structure in which each constituent in the electrode is continuously distributed, the contact impedance among the constituents is reduced, so that the electrochemical activity and the flexibility of the electrode are improved.

The invention provides a silicon carbide MOSFET device and a preparation method thereof, and relates to the field of semiconductor manufacturing. The preparation method comprises: over-etching SiC material on a partial surface at a P-well layer and an N+ source region; and etching a source contact window, and sputtering the source metal on the surface of the P-well layer and the N+ source region to form an ohmic contact. In the invention, by etching the surface of the P-well layer, the high-concentration P-well region can be directly in ohmic contact with the source metal, which optimizes thecurrent transmission path, and does not require high-dose P+ injection, reduces injection damage, and reduces preparation cost.

The invention belongs to the technical field of pulse power, and discloses a tandem high repetition frequency pulse generating device. The tandem high repetition frequency pulse generating device comprises one public transmission line, a plurality of middle tubes and a plurality of gas switches, wherein the public transmission line is a coaxial line, and a front port and a rear port are used as two output ends; the middle tubes are conductor round tubes with open two ends, and the plurality of middle tubes are orderly installed between an outer conductor and an inner conductor of the public transmission line at intervals, so as to form multistage double-tube pulse forming lines with the outer conductor and the inner conductor of the public transmission line; each double-tube pulse forming line includes one gas switch located at the middle part of the double-tube pulse forming line, and the working voltage of all gas switches is the same; and the multistage double-tube pulse forming lines work orderly from front to back at intervals. The high repetition frequency pulse generating device of the invention can generate two pulses whose repetition frequency can reach a ten thousand Hertz level, and can also generate one pulse string whose instantaneous repetition frequency can reach a megahertz level.

The invention provides a crystal array, a detector, medical detection equipment and a production method of the crystal array. The crystal array comprises multiple crystals arranged in an array, wherein each crystal is provided with a light-in face, a light-out face and a connecting face connected with the light-in face and the light-out face, the connecting face of at least one of every two adjacent crystals comprises a rough face and a smooth face connected with the rough face, and each rough face and the corresponding smooth face are arranged along the length direction of the corresponding crystal. According to the crystal array, the rough faces of the adjacent crystals can guarantee that air exists between the crystals, every two crystals are coupled through the air, the detection region of the crystal array is enlarged, and meanwhile it is guaranteed that a certain space exits between the smooth face of each crystal and the adjacent crystal; and through different crystal surface treatment, the transmission path of photons is improved, the crystals in a position spectrum are easy to distinguish, and the error ratio of position counting is effectively lowered.

The invention discloses an ultra-large interlayer spacing molybdenum disulfide/carbon composite material and a preparation method thereof. The ultra-large interlayer spacing molybdenum disulfide/carbon composite material is used for improving the efficiency of electro-catalytic hydrogen evolution. According to the method, the ultra-large interlayer spacing MoS2/interlayer carbon composite materialis synthesized through a two-step hydrothermal reaction, and is carbonized through annealing treatment; MoS2 with ultra-large interlayer spacing is beneficial for transmission of charges and hydrogen; and carbon formed in situ has a very good effect on improvement of a two-dimensional semiconductor material. A technical thought in the invention is simple and clear; and the electro-catalytic hydrogen evolution performance of the composite material is remarkably improved. The invention discloses a technical idea for preparing ultra-large interlayer spacing MoS2/C by a hydrothermal method.

A one-step method for preparing a hierarchical mesoporous-porous TiO2/g-C3N4 nanofiber photocatalytic material comprises the following steps: sequentially adding N,N-dimethylformamide and glacial acetic acid into absolute ethyl alcohol, and uniformly stirring; adding urea, and completely dissolving; adding polyvinylpyrrolidone, and completely dissolving; adding tetrabutyl titanate, and completelydissolving; adding liquid paraffin, and stirring for 24 h or above; putting the obtained mixture into an injector, carrying out electrostatic spinning under a certain condition, and collecting the obtained spinning product by using a stainless steel disc; and drying the spinning product, and roasting the dried spinning product in a crucible with a cover in an air atmosphere at 550 DEG C for 4 h. The method is simple and rapid, low in cost, wide in spectral response range and low in broad-spectrum carrier recombination rate, the photo-induced electron-hole recombination rate is reduced througha one-dimensional structure, the light scattering effect is enhanced through a macroporous structure, the light capturing capacity is improved, and diffusion of reactant molecules is promoted. The mesoporous structure increases the specific surface area, and provides more active sites, so the product is applied to photocatalytic cracking of water to produce hydrogen.

The invention relates to a preparation method of a novel lithium ion battery negative electrode material niobium-based oxide, which belongs to the technical field of lithium ion battery negative electrode materials. The preparation method comprises the following steps of firstly, preparing a precursor Cu2MaNb0.8-0.4aSe4 by adopting a solid phase method, putting the obtained material into an air dry oven for drying, then transferring the material into a ball milling tank, carrying out wet milling treatment in a ball mill, and after ball milling dispersion is completed, putting the ball milling tank into a drying oven for drying, placing the obtained powder in a tubular furnace, sintering under the protection of argon atmosphere, and cooling to room temperature along with the furnace to obtain a precursor, and transferring the obtained precursor material into a crucible, placing the crucible in a glass tube, and carrying out calcination treatment to obtain the porous sheet-shaped lithium ion battery negative electrode material.

The invention provides a method for sterilizing and disinfecting by using an Ag and N co-doped titanium dioxide/silver nitrate photocatalyst, which comprises the following steps: mixing solid silver nitrate powder with P25 titanium dioxide nano powder, uniformly grinding, and calcining to prepare Ag and N co-doped titanium dioxide; dissolving the co-doped titanium dioxide, silver nitrate, a dispersing agent and plant essential oil in deionized water, and completely performing ultrasonic dispersion to obtain the photocatalyst sterilization disinfectant. The spectral absorption range of titaniumdioxide is widened to a visible light region through Ag and N co-doping, the utilization efficiency of sunlight and the concentration of photon-generated carriers are improved, meanwhile, the preparation method has the advantages of being simple, low in cost, good in sterilization and disinfection effect and the like, and coronapneumonia viruses, influenza viruses, escherichia coli and the like of the human body can be effectively killed.

The invention relates to a high-performance proton ceramic fuel cell/electrolytic cell (PCFC/PCEC) reversible electrode material composition and a preparation method thereof, and belongs to the technical field of solid oxide reversible cells. The double-phase cathode material is synthesized in one step through a sol-gel method, and the electrode material has a double-phase structure composed of a cubic structure and a honeycomb-like hexahedron structure. Compared with a traditional solid oxide fuel cell air electrode, the dual-phase electrode has excellent proton conductivity and rapid hydration capacity on the premise of having oxygen ion and electron conductivity. Therefore, the electrode material has excellent electrochemical performance in both PCFC and PCEC modes.

The invention provides a connector, a function board and a board-level architecture, the connector comprises an end protection sheet and lead frames, and each lead frame comprises a plurality of connection terminal groups and a shielding layer; each connecting terminal group comprises two connecting terminals used for transmitting signals, and each connecting terminal is provided with a first connecting end matched with a circuit board in an inserting manner; and the shielding layer is used for electromagnetically isolating the connecting terminal groups of the adjacent lead frames. The end protection sheet comprises a conductive structure located between the first connecting ends of the two connecting terminals in each connecting terminal group; the conductive structures are in conductive connection with the shielding layers of the corresponding connection terminal groups and are used for transmitting loop signals corresponding to the differential signals. According to the technical scheme, the transmission path of the loop signal corresponding to the differential signal transmitted by each connection terminal group is improved through the conductive structures on the end protection sheets, crosstalk between the loop signals of different connection terminal groups is reduced, and the communication effect of the connector is improved.