40results about How to "Increased chance of absorption" patented technology

The invention discloses a crystalline silicon solar battery three-layer antireflection film which is composed of three layers of films, wherein the first layer is a silicon dioxide thin film on the surface of a silicon slice, wherein the silicon dioxide thin film has the thickness of 20-30nm and the refractive index of 1.15-1.25; the second layer is a titanium dioxide and silicon dioxide composite thin film with the thickness of 80-90nm and the refractive index of 1.30-1.45; and the third layer is a nanometer titanium dioxide thin film with the thickness of 50-60nm and the refractive index of 2.12-2.28. The silicon dioxide thin film at the first layer is prepared by adopting a thermal oxidation method, and the composite thin film at the second layer and the titanium dioxide thin film at the third layer are both prepared by adopting a sol-gel coating method. According to the invention, the three-layer antireflection film is adopted, the reflection of the surface of a battery to light is reduced, and the photoelectric conversion efficiency of a solar battery is improved.

The invention relates to an antireflection coating of a solar cell, in particular to a processing method of the dual-layer antireflection coating of the solar cell. The processing method comprises the following steps: the first step: wet oxygen, water vapor is introduced at the high temperature to generate a silicon dioxide film at the surface of a silicon wafer; the second step: PECVD deposition, the silicon nitride deposition is carried out on the silicon dioxide film which is well prepared in the step one. The method mainly solves the technical problems of unstable power and easy attenuation of the existing cell with the single-layer antireflection coating, and the stability of the output power of the solar cell is significantly improved by the processing of the dual-layer antireflection coating.

The invention discloses a titanium dioxide light anode, comprising a transparent conductive substrate and a coating film coated on the transparent conductive substrate. The coating film contains titanium dioxide nano particles, wherein a titanium dioxide microsphere layer is also coated on the surface of the coating film. The invention further discloses a method for preparing the titanium dioxide light anode and use thereof. Compared with the prior art, the invention has the advantages that by introducing the titanium dioxide light anode with a double-layer structure, the number of light propagation paths in a titanium dioxide film is increased; the rate that light is absorbed by the titanium dioxide film is increased; the photoelectric conversion efficiency of a cell is advantageous for being improved; the preparation of the titanium dioxide microsphere is simple, environment-friendly and cheap and the profile of the titanium dioxide microsphere is novel; the titanium dioxide microsphere is applicable for being used as a scattering layer and coated on a light anode of a dye-sensitized nanocrystalline solar cell; the titanium dioxide light anode with the double-layer structure is formed; the scattering characteristics of the light anode are improved; and the photoelectric conversion efficiency of the cell is improved.

The invention relates to a micro-nano multi-light trap type solar composite generating integrated device comprising a micro-nano multi-light trap type generating device, a photovoltaic generating device, and a temperature-difference thermoelectric generator. The micro-nano multi-light trap type generating device, the photovoltaic generating device, and the temperature-difference thermoelectric generator are combined to form an integrated structure. The micro-nano multi-light trap type generating device consists of three micro-nano material array layers, two transparent electrode layers, and two elastic cushion layers, wherein the layers form a multi-light trap type generating structure jointly. The integrated device provided by the invention has an integrated effect with a micro-nano multi-light trap type generating effect, a piezoelectricity-friction generating effect, a photovoltaic multi-times generating effect, a temperature-difference thermoelectric generating effect, so that the integrated utilization rate of the solar energy can be improved obviously.

The invention provides a photo-anode for dye-sensitized nano-crystalline solar batteries, which comprises a transparent conductive substrate and a coating covering the transparent conductive substrate, wherein the coating contains titanium dioxide nano-particles. The photo-anode is characterized in that the anatase titanium dioxide hollow spheres are uniformly mixed in the coating. The invention also discloses a preparation method of the photo-anode and application thereof in solar batteries. Compared with the prior art, the preparation method has the advantages of using titanium dioxide hollow spheres as scattering particles in the photo-anode for dye-sensitized nano-crystalline solar batteries, increasing the probability that light is absorbed by titanium dioxide nanometer thin film and greatly improving the photoelectric conversion efficiency of batteries.

The invention discloses an annular backward pumping structure of a high-power all-fiber laser. The annular backward pumping structure comprises a semiconductor laser pumping source with fiber pigtails, a beam combiner, a low-reflectivity fiber Bragg grating, a gain fiber, a high-reflectivity fiber Bragg grating and a beam splitter, wherein the beam combiner is an (n+1)x1 beam combiner and comprises n pumping light input fibers and a central main fiber; the beam splitter splits a beam into m paths; the fiber pigtails of (n-m) semiconductor lasers of the pumping source are connected with (n-m) input fibers of the beam combiner; an output end of the beam combiner is connected with an input end of the beam combiner through the low-reflectivity fiber Bragg grating, the gain fiber and the high-reflectivity fiber Bragg grating; and m output fibers of the beam combiner are connected with m input fibers of the beam combiner. By adoption of the annular backward pumping structure of the high-power all-fiber laser, the pumping light utilization rate of the conventional backward pumping structure of a high-power fiber laser can be effectively improved.

The invention relates to a high-efficiency vehicle license plate recognition device capable of self energy supply for a parking lot. The vehicle license plate recognition device comprises an acquisition device, a power storage device and a control device, wherein the control device comprises a vehicle license plate recognition unit and an assembly processing unit, the acquisition device is connected with the power storage device and the control device respectively and is provided with a camera body and a base, and a solar cell panel is further arranged on an upper surface of the camera body, is electrically connected with the camera body, the power storage device and the control device and is based on a dye-sensitized solar cell.

The invention provides a flue gas pollutant combination removal method based on a high-activity solid absorbent. The flue gas pollutant combination removal method comprises: uniformly mixing an oxidant into boil tail flue gas to obtain oxidized flue gas, wherein the NO in the flue gas is oxidized into a high-valence nitrogen oxide, and the zero-valence mercury is oxidized to a high-valence mercuride; making the oxidized flue gas completely contact solid particles, and simultaneously removing the sulfur oxide, the high-valence nitrogen oxide and the high-valence mercuride in the flue gas so asto obtain pollutant-removed dust-containing flue gas; and carrying out dust removing on the dust-containing flue gas to obtain clean flue gas, wherein the solid particles collected from the bottom portion of a dust removing device are fed into a material storage bin, the partial solid particles are activated and humidified, the activated and humidified solid particles returns to the reactor so asto continuously participate in the reaction, and the remaining solid particles are discharged from the bottom portion of the material storage bin so as to maintain the material balance. According to the present invention, the semi-dry absorption method is used, wherein the calcium-based absorbent is sprayed into the reactor in the form of the humidified solid particles, such that the water consumption is low, the final product is the solid-state product, the treatment of the wastewater is not required, the process is simple, and the method can be widely used in the industrial flue gas treatment.

The invention discloses a combined flue gas pollutant removal system based on a high active solid absorbent. The combined flue gas pollutant removal system includes an oxidation reaction flue, a desulfurization denitrification demercuration reactor, a dust removal unit and a spent absorbent storage, activation and humidification unit; an ozone spraying module is disposed in the oxidation reactionflue; the outlet of the oxidation reaction flue is connected with the inlet of the desulfurization denitrification demercuration reactor; the outlet of the desulfurization denitrification demercuration reactor is connected with the dust removal unit; the flue gas outlet of the dust removal unit is in turn connected to an induced draft fan and a chimney; and the outlet of a dust falling outlet of the dust removal unit is connected with the spent absorbent storage, activation and humidification unit. When the system is used to remove pollutants, a semi-dry absorption method is adopted, the waterconsumption is small, the final product is solid, no treatment of waste water is required, and the process is simple. Therefore, the combined flue gas pollutant removal system can be widely used in industrial flue gas treatment processes.

The invention relates to a self-energized projection type street lamp comprising a lamp pole, a projection lamp body, a lighting lamp body, a control system, an acoustic system and a power system. The acoustic system and the control system are controlled in the lamp pole. The power system connected with the projection lamp body and the lighting lamp body is also arranged on the lamp pole.

Disclosed is an image sensor. The image sensor comprises a substrate, a light sensitive structure and a reflection layer, wherein the light sensitive structure is embedded in the substrate and exposedfrom the surface of the substrate; and the reflection layer is stacked on the surface, opposite to incidence of light ray, of the light sensitive structure. By virtue of setting of the reflection layer, the propagating light path of the light ray in the light sensitive structure can be prolonged, thereby improving photon absorption probability and improving possibility of exciting electron-hole pairs, and further improving the photon-generated carrier electricity generation efficiency, and improving the performance of the image sensor.

The invention belongs to the technical field of solar cells, and particularly relates to a manufacturing method of a heterojunction cell, the heterojunction cell and a solar cell module. The manufacturing method comprises the following steps: sequentially depositing intrinsic amorphous silicon and doped amorphous silicon on the front and back surfaces of a silicon wafer to form a semi-finished product cell; depositing a front conductive film on the front surface of the semi-finished battery, and depositing a composite laminated back conductive film of TCO1, Mx and TCO2 on the back surface of the semi-finished battery; and respectively manufacturing metal electrodes on the positive conductive film and the composite laminated back conductive film. The ultrathin metal layer is introduced into the composite laminated back conductive film, the conductive performance of the back film is greatly improved, meanwhile, due to the plasma enhancement effect, the internal reflection of long-wavelength transmission light is improved, the absorption probability of the long-wavelength transmission light in a silicon wafer is increased, and more light current is generated; and in addition, due to insertion of the ultrathin metal layer, the conductivity of the back film can be greatly improved, and only a welding main grid is reserved in a back pattern, so that the consumption of back silver paste is greatly reduced, and the production cost is reduced.

An optical lens sheet comprises a light-transmitting portion and a flange portion surrounding the light-transmitting portion, the flange portion comprises a connecting portion, a transition portion and an edge portion, the connecting portion is connected with the light-transmitting portion and the transition portion, the transition portion is connected with the connecting portion and the edge portion, the flange portion is provided with a V-shaped groove, and the V-shaped groove surrounds the light transmitting part. The invention also relates to an optical lens applying the optical lens sheet and an electronic device. The optical lens sheet, the optical lens and the electronic device provided by the invention can well eliminate the glare phenomenon and have good imaging quality.

The invention provides a detecting device with a high-efficiency absorbing function for sulfide in a mud sample. The detecting device comprises a detector, an experimental bench, a unit detecting device and a lifting device, wherein the experimental bench is fixedly arranged at the top end of the detector; the unit detecting device comprises reaction flasks; the reaction flasks are arranged on thelifting device. The detecting device disclosed by the invention has the advantages of compact structure and convenience in operation; reasonable layout of the unit detecting device can be realized bythe detector and the experimental bench; the stability of an integral structure is high; on one hand, occupied area of the device is reduced; on the other hand, four groups of unit detecting devicescan be simultaneously operated, so that the detection progress is accelerated; by using a stopping effect of plastic sieve plates, the absorbing effect of hydrogen sulfide gas is improved.

The invention relates to an alarm lamp of a means of communication. A solar cell module, an ON / OFF control module, an energy storage module and a light operated DC LED alarm lamp module are included, wherein the solar cell module, the ON / OFF control module and the light operated DC LED alarm lamp module are connected with the energy storage module. The alarm lamp of the means of communication can be mounted and arranged freely according to concrete requirements and using environments.

The invention relate to a novel solar outdoor advertisement board. The advertisement board comprises a pedestal and a combination module, the pedestal is fixed on the ground, and the combination module is mounted in the pedestal, and comprises a frame, a solar cell, a control module and an LED display screen; the frame is internally provided with two sheets of toughened glass in parallel, and the solar cell and the LED display screen are arranged at the outer sides of the two sheets of toughed glass respectively; and the toughened glass at one side of the frame can warp to form an angle of 30-60 degree relative to the horizontal plane.

The invention relates to a display device with a solar cell. The display device comprises a backlight module group which provides a backlight source for the display device, the solar cell which is arranged over the backlight module group to receive the backlight source, and a display panel which is arranged over the solar cell to receive the backlight source that penetrates the solar cell.

The invention relates to a display device with a solar cell. The display device comprises a backlight module group which provides a backlight source for the display device, the solar cell which is arranged over the backlight module group to receive the backlight source, and a display panel which is arranged over the solar cell to receive the backlight source that penetrates the solar cell.

The invention discloses a silencing cotton structure. Multiple fiber layers with high fiber apparent densities and multiple fiber layers with low fiber apparent densities are stacked in a staggered manner to form the silencing cotton structure, and each fiber layer with the high fiber apparent density is of an S-shaped structure. Compressive resilience performance in two dimensions of the silencing cotton structure is excellent owing to the fiber layers with the high fiber apparent densities and the S-shaped structures, so that the appearance and the dimensions of silencing cotton can be kept for a long time, and an optimal silencing effect can also be kept for a long time.

The invention relates to a high-efficiency photoelectric conversion-based solar cell, which comprises a base, an electrode plate, a drying unit, a focusing lens, a glass substrate and a solar cell unit.