23 results about "Generation rate" patented technology

The invention relates to the technical field of semiconductor device design and simulation, in particular to a multi-physics-field coupled photoelectric detector modeling method and system, and the method comprises the steps: calculating the spatial distribution of the carrier generation rate, the carrier recombination rate, the potential, the distribution of electron concentration and hole concentration, and heat effect feedback data of a surface incidence semiconductor photoelectric detector; calculating the current density distribution of the target surface incident semiconductor photoelectric detector under the dynamic input optical power; based on an automatic differential Newton iteration method, a multi-physics field coupling equation set is solved according to spatial distribution of a carrier generation rate, current density distribution, a carrier recombination rate, potential, distribution of electron concentration and hole concentration and heat effect feedback data; and establishing an equivalent circuit model of the surface incidence semiconductor photoelectric detector, and carrying out co-simulation with an external circuit. Therefore, the problems of insufficient physical field coupling, poor numerical stability, low calculation efficiency, inaccurate simulation and the like in a traditional photoelectric detector simulation method are solved.

The invention discloses a preparation method and application of an efficient photocatalyst Sm-POM-MOF with a high electron transfer rate, and relates to a preparation method and application of a photocatalyst. The problems that an existing POM-coated MOF composite material cannot achieve efficient loading of POM while keeping the MOF structural integrity, an efficient interface electron transmission channel cannot be constructed, and the CH4 generation rate cannot be increased are solved. The preparation method comprises the following steps: 1, preparing an acidified Na2WO4 solution; 2, preparing a needle-shaped Sm-POM crystal; 3, preparing a solution containing zirconium metal oxygen clusters; and 4, carrying out hydrothermal reaction. According to the application, the photocatalyst is used for reducing CO2 to prepare CH4.

This invention provides the preparation and application of a dual LSPR effect nitrogen-fixing material with increased hot electron concentration at active sites. PMoV and Ag are attached to W via electrostatic self-assembly and photodeposition. 18 O 49 On the surface, Ag / W with dual LSPR effect was successfully prepared. 18 O 49 / PMoV heterojunction, experimental data show that W 18 O 49 It can absorb photogenerated electrons produced by PMoV and Ag, and the injected photogenerated electrons are in W 18 O 49 Enrichment at OVs on the surface, thus preserving W 18 O 49 Plasma effect, Ag / W 18 O 49 The fluorescence lifetime of photogenerated carriers in PMoV is prolonged, and the loading of Ag and PMoV is Ag / W. 18 O 49 / PMoV provides a new pathway for the migration of photogenerated electrons and holes, Ag / W 18 O 49 The nitrogen fixation activity of the / PMoV heterojunction was enhanced, and the ammonia generation rate reached 118.4 µmol g. −1 h −1 , is W 18 O 49 The yield is 3.6 times higher, and the experimental parameters are easy to control in this synthetic route.

The invention provides a back contact solar cell and a solar cell module. The back contact solar cell comprises a silicon substrate, and the backlight surface of the silicon substrate is provided with a first region, a third region and a second region which are continuously arranged; the first tunneling dielectric layer, the first doping layer, the insulating dielectric layer and the second doping layer are sequentially stacked on the third region; the second doping layer comprises at least two sub-doping layers which are alternately stacked and have the same doping polarity, and the adjacent sub-doping layers are separated by a spacing layer; the doping polarity of the second doping layer is opposite to that of the first doping layer; the third region is provided with at least one cavity, and the cavity at least penetrates through the insulating dielectric layer and at least penetrates through part of the first doping layer. According to the invention, the scattering capability of light penetrating to the back surface can be improved, the light absorption efficiency and the generation rate of photon-generated carriers can be improved, the transmission path and selectivity of the carriers can be optimized, the collection loss of the carriers can be reduced, and the design of the back film layer structure has excellent photoelectric performance.

The invention relates to a mobile charging method and system based on multi-energy complementation, and relates to the field of automobile charging piles, and the method comprises the steps: 100, collecting photovoltaic power generation parameters; 101, the power generation rate is determined according to the power generation parameters, and electric quantity parameters of the mobile charging pile are collected; step 102, determining a charging rate in response to the electric quantity parameter; step 103, when the power generation rate is smaller than the charging rate, calculating the difference between the charging rate and the power generation rate, and defining the difference as a power shortage rate; 104, determining a moving distance in response to the power shortage rate, and collecting a charging image; step 105, identifying a charging position within a moving distance from the charging image; 106, planning a charging route based on the charging position; and step 107, controlling a preset mobile charging pile to move to a charging position according to the charging route. The mobile charging pile has the advantages that the use convenience of the mobile charging pile is improved, and the cruising ability of the mobile charging pile can be improved.

The utility model is suitable for the technical field of photovoltaic cells, and provides a photovoltaic assembly and a photovoltaic system. The photovoltaic module comprises a frame and a plurality of battery strings arranged in the frame, each battery string comprises a plurality of battery pieces which are sequentially arranged in the length direction of the photovoltaic module, the adjacent battery pieces of each battery string are connected or partially overlapped, and the length direction of each battery string is the same as the length direction of the photovoltaic module. The plurality of battery strings are sequentially arranged along the width direction of the photovoltaic module; the ratio of the length of the battery string to the length of the photovoltaic module is 97%-99%, and the ratio of the projection area of all battery pieces of the photovoltaic module on the front face of the photovoltaic module to the total area of the front face of the photovoltaic module is 93%-99%. According to the photovoltaic module provided by the utility model, the area ratio of the battery pieces can be improved, and the power generation rate of the photovoltaic module is improved.

The invention discloses a combined brush electrode ion slurry disinfection and purification module, and relates to the technical field of air disinfection and purification, the combined brush electrode ion slurry disinfection and purification module comprises a mounting shell seat, a mounting bottom cover covers the lower part of the mounting shell seat, and mounting cover plates cover the two sides of the upper end of the mounting shell seat; an integrated ion slurry generator is fixedly mounted between the two mounting cover plates; the ion slurry generator comprises five layers of main body structures which are sequentially and fixedly arranged in a stacked mode in the thickness direction of the ion slurry generator, and discharging units integrated at the two ends of the five layers of main body structures in the length direction. Through physical and electrical deep integration of a brush electrode and a five-layer DBD main body structure, deep synergy of corona discharge and dielectric barrier discharge is realized: the corona discharge stably generated by a brush tip releases a large number of seed electrons, the air breakdown threshold value of main body DBD discharge is remarkably reduced, the chain type avalanche ionization process is accelerated, and the service life of the chain type avalanche ionization device is prolonged. And the magnitude jump of the ion slurry concentration and the generation rate can be realized under relatively low driving voltage.

The utility model discloses a solar system with a high power generation rate. The solar system comprises a rotating holder, a stabilizing support, a solar panel, a connecting support and a concave-like mirror. The stable support is fixedly mounted on the mounting surface, the fixed end of the rotating holder is mounted on the stable support, and the solar panel is mounted at the rotating end of the rotating holder, so that the solar panel is rotatably arranged and vertically faces incident rays of the sun; the similar concave mirror is installed on the solar panel through the connecting support, three faces of the similar concave mirror are arranged on the outer side of the solar panel in a surrounding mode, the concave face of the similar concave mirror faces the solar panel, and an acute included angle is formed between the concave face of the similar concave mirror and the solar panel. The utility model relates to the technical field of solar equipment, and can solve the problem of low power generation rate of a solar system in the prior art.

The present application provides a kind of micro resonant cavity system and its photon maximum generation rate control method, system includes: input channel, micro resonant cavity and output channel;The input channel is used to input pump light to micro resonant cavity;The output channel is used to export the photon pair corresponding to the signal light and idler light generated in the micro resonant cavity;One side of the micro resonant cavity is critically coupled with the input channel at pump light resonance peak;The other side of the micro resonant cavity is over-coupled with the output channel at signal light resonance peak and idler light resonance peak, and the greater the coupling coefficient, the higher the single-photon maximum generation rate allowed by micro resonant cavity.The present application improves the maximum photon flow rate allowed by microcavity at signal light frequency and idler light frequency while ensuring high power efficiency of pump light.For the improvement of the maximum allowed photon flow rate, it is derived from the shortening of photon lifetime brought by over-coupling condition, and the widening of signal light and idler light resonance peak.

The invention belongs to the field of composite material preparation, discloses an H-ZISv / Au-Ag HAPs composite material as well as a preparation method and application thereof, and solves the problem of poor photocatalytic hydrogen evolution performance of an existing photocatalyst. The H-ZISv / Au-Ag HAPs composite material is formed by loading hollow Au-Ag alloy nano particles on a hollow ZnIn2S4 nano cage containing sulfur vacancies, and the H-ZISv / Au-Ag HAPs composite material is a novel double-hollow plasma Schottky heterojunction photocatalyst. The material promotes the generation of a large amount of current carriers through the cooperation of a multi-light scattering / reflection effect and directional charge transfer; and the material has efficient hot electron excitation and excellent photothermal conversion performance. Through the synergistic effect generated by the optimized Schottky junction, plasma near-field enhancement and double-cavity constraint, the photo-thermal assisted photoelectrochemical reaction is improved. The catalyst has a hydrogen generation rate of 16 mmol g <-1 > h <-1 > and excellent stability under the conditions of AM 1.5 G illumination and 25 DEG C.

The invention discloses a lunar surface heat flow inversion method based on a three-layer steady-state heat conduction model, and the method comprises the steps: 1, calculating the total mass heat production rate through the specific heat production rate and mass heat production rate of radioactive elements in the moon; 2, constructing a three-layer steady-state heat conduction model comprising a giant weathered layer, a moon shell and a moon curtain, and setting boundary and heat flow continuity conditions; 3, solving a coefficient of a heat conduction equation of the three-layer steady-state heat conduction model to obtain a temperature profile and a temperature gradient; 4, calculating brittleness strength and plastic strength envelopes by using a temperature profile, and calculating a predicted bending moment by using an envelope integral; 5, calculating a target bending moment by using the effective elastic thickness of the lithosphere; 6, continuously adjusting the thickness of the giant weathered layer, reducing the deviation between the predicted bending moment and the target bending moment, and obtaining a convergent temperature structure; 7, solving a surface temperature gradient from the convergent temperature structure; and 8, calculating the lunar surface heat flow according to the surface temperature gradient. The estimation precision of the lunar surface heat flow is improved.

According to the high-power-generation-rate light-transmitting glass and the window, a circle of light-proof high-power-generation-rate photovoltaic film composite structure is arranged on the edge of a light-transmitting low-power-generation-rate photovoltaic film, the contradiction between the power generation efficiency and the light transmission is successfully solved, the high power generation rate is guaranteed, and meanwhile the transparent visual experience close to that of common glass is kept. The light-transmitting low-power-generation-rate photovoltaic thin film is filled in the inner ring of the light-proof high-power-generation-rate photovoltaic thin film, the smoothness of the photovoltaic power generation thin film is kept, no empty package exists after the glass sheet is clamped, and the quality strength of the glass can be better guaranteed. A frame power generation system is designed in the frame applying the high-power-generation-rate light-transmitting glass, and the power generation rate of a window can be further improved by collecting light rays refracted, reflected and diffracted to the frame direction at the position, close to the frame, of the glass and converting the light rays into electric energy.

The invention discloses a continuous variable quantum relay method and system based on all-optical entanglement swapping. According to the disclosed scheme, a transmitting end prepares a hyper-entangled photon pair with continuous variable entanglement association on orthogonal amplitude-phase degree of freedom and time-energy degree of freedom at the same time, keeps one group of photons, and transmits the other group of photons to a relay node; at a relay node, quantum purification is firstly implemented based on T-E degree of freedom; then, all-optical entanglement exchange is carried out on the purified photons and photons locally prepared by a relay, and transfer of the X-P degree-of-freedom continuous variable entanglement relation is achieved; reconstructing T-E degree-of-freedom entanglement for the photons after entanglement exchange through a non-degenerate spontaneous parametric down-conversion process; and the plurality of relay nodes are repeatedly executed until the Bob end receives the photon sequence. Probabilistic non-Gaussian measurement is not needed, the structure is simple, the problems that a traditional continuous variable quantum relay is low in generation rate and poor in cascading performance are solved, and the continuous variable quantum relay is suitable for a long-distance continuous variable quantum communication network.

This invention relates to the field of photovoltaic module encapsulation technology, specifically to a laminated interconnect film and its preparation method, a grid-less photovoltaic module, and its applications. The laminated interconnect film sequentially comprises: an upper surface layer, an intermediate functional layer, and a lower adhesive layer stacked together; the upper surface layer has a melting point of 80-100℃; the intermediate functional layer contains coupling agent-modified nano-silica and conductive fillers dispersed within it; the lower adhesive layer has a melting point of 60-80℃; and a metal wire positioning groove is provided on the first surface. This invention, through the synergistic design of the three functional materials and the pre-set positioning groove structure, achieves precise positioning and reliable fixation of the metal interconnect wires, significantly reducing contact resistance to below 0.1Ω, increasing the module fill factor to above 83%, and simultaneously reducing the bubble generation rate after lamination to below 0.5%. This effectively solves key technical challenges in grid-less module encapsulation, reduces silver paste usage by more than 45%, increases module power by more than 3%, and has promising industrial application prospects.

The invention relates to the technical field of photocatalytic materials, and discloses a bismuth-doped vanadate-based environmental functional material as well as a preparation method and application thereof. The material is Bi < x > (at) Mn < 2 > V < 2 > O < 7 >, wherein x is 1-7. The bismuth element is introduced on the premise of keeping the stability of the Mn2V2O7 main body crystal phase structure, so that the regulation and control of the material electronic structure and the activation of surface reaction active sites are realized. The preparation method comprises the following steps: by taking a sacrificial template as a carrier, introducing a manganese source, a vanadium source and a bismuth source through gas-phase ion exchange reaction at 425-550 DEG C to prepare the bismuth-doped manganese vanadate photocatalytic material. The material can efficiently drive a hydrogen evolution reaction and an oxygen evolution reaction at the same time under the condition of no sacrificial agent, the generation rate ratio of hydrogen to oxygen is close to the theoretical stoichiometric ratio of 2: 1, stable photocatalytic full decomposition of water is achieved, the overall photocatalytic activity of the material can reach 27.2 times that of undoped Mn2V2O7 at most, and the unexpected technical effect is achieved; the device is suitable for the field of solar-driven clean hydrogen production.

The comprehensive energy tower comprises a tower body, a distributed photovoltaic assembly is arranged on one side of the tower body through a mounting frame, the mounting frame comprises a first support and a second support, the first support and the tower body are fixedly mounted through fixing screws, and a connecting mechanism is arranged at the upper end of the side, away from the tower body, of the first support; the lower end of the first support is provided with a second support through a switching mechanism, the second support is of a U-shaped steel frame structure, the top of the end, away from the first support, of the second support is provided with an adjusting mechanism, and the distributed photovoltaic assembly is obliquely arranged on the first support and the second support through a connecting mechanism and the adjusting mechanism. By arranging a series of structures, switching supporting installation of various distributed wind-solar-electricity assemblies on the tower body is achieved, installation is firm, the inclination angle of the distributed photovoltaic assemblies is adjustable, the power generation rate of a photovoltaic panel is improved, adjustment is convenient, and installation is stable.

The invention discloses a sulfur vacancy CdS and sulfur vacancy 1T-MoS2 composite photocatalytic material as well as a preparation method and application thereof, and belongs to the technical field of photoelectric energy materials. Sulfur vacancy CdS is grown on the surface of sulfur vacancy 1T-MoS2 in situ, and the sulfur vacancy CdS and sulfur vacancy 1T-MoS2 composite photocatalytic material is constructed. The preparation method comprises the following steps: preparing the sulfur vacancy 1T-MoS2 nanosheet, and preparing the sulfur vacancy CdS and sulfur vacancy 1T-MoS2 composite photocatalytic material. According to the composite photocatalytic material, the catalyst shows excellent photocatalytic nitrogen fixation activity under the irradiation of a xenon lamp, and the generation rate of ammonia reaches 15730.25 [mu] moL <-1 > g <-1 > h <-1 >. The photocatalyst prepared by the invention has the advantages of simple preparation process, high catalytic efficiency and the like, and has a very wide application prospect in the technical field of photocatalysis such as photocatalytic nitrogen fixation.

Generation of outgassing is restrained to restrain deterioration in optical properties of a cover glass. A method for manufacturing an electronic device includes a baking step of heating the cover glass on which an antireflection layer made of a cured product of a light-curing resin yet to be cured that contains a photopolymerizable component has been formed, an assembling step of installing the cover glass after the baking step at a position opposed to a light receiving surface of a sensor element to assemble a sensor module, and a reflow step of placing the sensor module on a mounting substrate and applying heat at a temperature of more than or equal to 250°C to solder the sensor module to the mounting substrate. The baking step is performed before the reflow step to make a rate of generation of outgassing derived from the photopolymerizable component in outgassing generated from the antireflection layer of the cover glass in the reflow step less than or equal to 0.3 % by mass to mass of the antireflection layer.

This invention discloses a dual-resonance composite nanoantenna structure for enhancing the luminescence of monolayer molybdenum disulfide and its fabrication method. The structure includes an antenna substrate, a base assembly disposed on the surface of the antenna substrate, and multiple dual-resonance nanoantenna mechanisms disposed on the surface of the base assembly. An alumina top layer is disposed between the multiple dual-resonance nanoantenna mechanisms and the base assembly. This invention utilizes the strong localized surface plasmon hotspot effect generated by the nano-gap between the top-layer metal dimers to significantly improve the absorption efficiency and exciton generation rate of the intermediate molybdenum disulfide layer for incident light. Simultaneously, the high-Q Mie resonance supported by the bottom dielectric nanodisk serves as an optical microcavity, effectively suppressing non-radiative transitions and enhancing far-field radiation extraction capability. The synergistic effect of these two elements achieves an order-of-magnitude increase in the photoluminescence intensity of molybdenum disulfide.

This invention discloses methods for preparing pyridyl covalent organic frameworks (COFs) and their antimony (Sb) coordination compounds (TAPB-BTTA, TAPT-BTTA, TAPB-BTTA-Sb, and TAPT-BTTA-Sb), as well as the application of these compounds in photocatalytic hydrogen peroxide (H2O2), belonging to the field of photocatalysis technology. This invention utilizes a molecular engineering strategy, using specific amine and aldehyde monomers as raw materials, to prepare TAPB-BTTA and TAPT-BTTA with pyridyl-imine bidentate chelate sites via a Schiff base reaction. Then, through a post-modification synthesis strategy, the main group metal Sb atom is precisely anchored to the pyridyl-imine coordination sites of the COF framework, forming atomically dispersed Sb-coordinated COF compounds. These materials, through bi-level regulation of nitrogen and Sb metal sites, optimize the H2O2 generation pathway into a highly efficient one-step two-electron oxygen reduction reaction (2e... ‑ The ORR pathway significantly improves the separation efficiency and catalytic activity of photogenerated carriers, with the H2O2 generation rate of TAPT-BTTA-Sb reaching as high as 18399.72 μmol h⁻¹. ‑1 g ‑1 It also has excellent stability and oxygen utilization, providing efficient materials and preparation methods for solar-driven clean H2O2 synthesis.

The application provides a source-device-independent quantum random number generation method and device, the method comprising: an untrusted light source device generating first photons and second photons; obtaining original random bits; performing second measurement on the first photons in a second preset proportion and the second photons in a third preset proportion, and performing time correlation coincidence calculation on the measurement results after discretization to generate a criterion, the criterion being used to determine whether a preset rule for generating quantum random numbers is established; if the criterion is less than 2, the preset rule is established, and conditional min-entropy is calculated; and quantum random numbers are extracted according to the original random bits and the conditional min-entropy. The application uses a modified entropy uncertainty relationship to calculate the conditional min-entropy, quantifies the true randomness of the system, extracts the original random bits to generate true random numbers, and solves the problems of a huge experimental scale, a very low generation rate of random bits and poor practicability of the current device-independent quantum random number.

The utility model discloses an energy supply system based on a double-glass PV / T assembly, which belongs to the field of heat recovery of the double-glass assembly, and comprises a plurality of groups of double-glass PV / T units, a heat exchange unit and a power supply unit, each group of double-glass PV / T units comprises a double-glass assembly and a glass interlayer arranged on the surface of the double-glass assembly, the glass interlayers of two adjacent groups of double-glass PV / T units are communicated in sequence, and the heat exchange unit is connected with the power supply unit. The glass interlayer of the double-glass PV / T unit located on the outermost side communicates with the heat exchange unit through a pipeline, and the heat exchange unit communicates with the heat dissipation tail end through the ground source heat pump heat exchange unit. The double-glass assembly is electrically connected with the power supply unit. By the adoption of the energy supply system based on the double-glass PV / T assembly, power generation of the photovoltaic assembly is not affected, meanwhile, the problem that the power generation rate is affected due to the fact that the surface temperature of the photovoltaic assembly cannot be taken away in time can be solved, heat is recycled, and the system is more energy-saving and environmentally friendly.

The present application relates to the technical field of Monte Carlo particle transport calculation and radiation safety analysis in nuclear science, and particularly relates to a method and system for determining shutdown dose rate of nuclear facilities, the method comprising: S1, calculating the generation rate of each photon generated by the decay of each secondary radionuclide and summing up to obtain the total generation rate of all photons corresponding to each collision when each collision occurs; according to the ratio between the generation rate of each photon at each collision and the total generation rate at the collision, sampling photons from all the photons generated at each collision, taking the total generation rate corresponding to each collision as the weight of the sampled photons corresponding to each collision, and performing photon transport calculation to count the photons in the target region, and combining the photon flux-dose conversion factor to obtain the shutdown dose rate distribution of the photons in the target region. The shutdown dose rate can be quickly and accurately calculated to provide accurate data support for subsequent processing of nuclear facilities.