19results about How to "Improve humidity stability" patented technology

The invention relates to a passivation layer, a perovskite solar cell, a preparation method of the perovskite solar cell, a laminated cell and a photovoltaic module. The passivation layer comprises a compound shown in a formula (I): # imgabs0 #; wherein R1 to R5 are respectively and independently selected from one of hydrogen, halogen, amino, hydroxyl, cyano, sulfydryl, substituted or unsubstituted C1-C8 alkyl and substituted or unsubstituted C1-C8 alkoxy. The carboxyl hydroxyl group in the compound and BX2 with unsaturated coordination number on the surface of the perovskite thin film can form a coordination bond, so that surface defects of the perovskite thin film are effectively passivated, non-radiative recombination on the surface of the perovskite thin film is inhibited, and the photoelectric conversion efficiency of the perovskite solar cell is further improved.

The invention belongs to the field of all-solid-state lithium ion battery positive electrode materials, and particularly relates to an amorphous-state high-ion-conductivity positive electrode material, a preparation method and application of the amorphous-state high-ion-conductivity positive electrode material in an all-solid-state lithium ion battery, and the chemical composition general formula of the positive electrode material is LixFeOClFx, xlt; liF and FeOCl raw materials in a corresponding proportion are synthesized by a high-energy ball milling method to obtain the LiF / FeOCl composite material. The material is mainly composed of an amorphous phase and has isotropy, and it is ensured that an efficient and stable ion transmission channel can be constructed under the cold pressing condition. The amorphous high-ionic-conductivity lithium iron oxide chlorine fluorine-based positive electrode material provided by the invention has high ionic conductivity, stable capacity output, good rate capability, excellent machining performance and low-humidity air stability, and is used as an all-solid-state lithium ion battery positive electrode material; meanwhile, the material is low in synthesis raw material cost and simple in synthesis process, and has a good industrial amplification prospect.

The invention relates to the technical field of perovskite solar cells, in particular to a perovskite solar cell internal packaging method based on in-situ polymerization, and the method comprises the following steps: S1, preparing a first charge transmission layer on a conductive substrate; s2, a perovskite layer is prepared on the first charge transport layer in the S1, a polymer inner packaging layer is introduced into the perovskite layer, and the polymer inner packaging layer is formed by polymerization reaction of acrylic ester and a thermal initiator; s3, preparing a charge transport layer II on the perovskite layer in the S2; and S4, preparing a back electrode on the charge transport layer 2 in the S3. Acrylate and a thermal initiator are introduced into a perovskite precursor, polymerization can be rapidly completed in the perovskite annealing process, and a formed polymer structure can improve the water vapor resistance of a perovskite layer and can counteract part of external stress, so that the humidity stability and mechanical stability of the perovskite solar cell are improved; the lead leakage of the lead-based perovskite solar cell can be effectively inhibited, and the biological safety is improved.

The invention relates to a crystal form of a compound I, a preparation method of the crystal form, and application of the crystal form in preparation of iron deficiency related treatment medicines for treating anemia accompanied with or not accompanied with iron deficiency. The novel crystal form of the compound I provided by the invention has the advantages of high solubility, good chemical stability, solid stability, mechanical stability and humidity stability, simple preparation method, easiness in crystal form control, low production amplification cost and the like, and has important value for development of the medicine in the future. # imgabs0 #

The invention relates to the technical field of solar cells, in particular to a preparation method of an electron transport layer applied to a trans-perovskite solar cell, the electron transport layer and the perovskite solar cell. Drying in a forced air drying oven, and treating with ultraviolet ozone to obtain a transparent conductive oxide substrate; placing the transparent conductive oxide substrate in a glove box in a nitrogen atmosphere to prepare a hole transport layer; spin-coating the hole transport layer with a perovskite precursor solution, and after spin-coating, placing the obtained perovskite light absorption film layer on a heating stage for annealing; the PFN-Br or PEIE polyelectrolyte material is added into the SnO2 nanoparticle solution to obtain the modified SnO2 electron transport layer, and the modified SnO2 electron transport layer has better hydrophobic property, so that the humidity stability of the perovskite solar cell is improved, and the photoelectric conversion efficiency of the trans-structure perovskite cell is high.

The utility model discloses a temperature and humidity test box. The temperature and humidity test box comprises a box body and a humidifying box, an air duct cabin and an environment cabin which are adjacent to each other are arranged in the box body, a circulating fan is arranged at the top of the air duct cabin, a heater and a refrigeration evaporator are arranged in front of an air outlet of the circulating fan, and an air inlet and an air outlet which are communicated with the air duct cabin and the environment cabin are arranged between the air duct cabin and the environment cabin; an equipment arrangement space is arranged in the humidification box, a humidification water tank is arranged in the equipment arrangement space, a humidifier is inserted in the humidification water tank, a humidifier controller is installed in the equipment arrangement space, the equipment arrangement space is connected with the air duct cabin through a humidification pipeline, and a proportional analog quantity valve is arranged on the humidification pipeline. The temperature and humidity test box disclosed by the utility model is reasonable in structural design, high in control precision, good in constant temperature / constant humidity effect, high in humidity increasing efficiency, good in humidity stability and good in application prospect.

This invention discloses a perovskite fluorescent patterning device and method based on laser-induced dehydration phase transition, belonging to the field of perovskite material laser processing technology. Addressing the problems of existing laser ablation damaging film integrity, difficulty in eliminating background fluorescence interference, and lack of mechanisms for multi-level grayscale control, this invention provides a hydrated perovskite precursor film that is transparent and fluorescence-free in the visible light band. Under ambient humidity conditions not exceeding 50% RH, the film is locally irradiated with an ultrafast laser. Utilizing water molecules in the film's own hydration structure, laser-induced local dehydration and inorganic framework rearrangement are achieved, directly writing perovskite phase transition patterns with multi-level fluorescence grayscale onto the transparent, fluorescence-free film.

The invention discloses a solar cell preparation method for regulating and controlling the quality of an evaporated copper phthalocyanine film based on a substrate, and the method comprises the steps: preparing an electron transmission layer on a conductive substrate, preparing a perovskite light absorption layer, covering the surface of perovskite with an ultrathin Spiro-OMeTAD molecular layer through a vacuum thermal evaporation method, and carrying out the evaporation of a copper phthalocyanine hole transmission layer. And finally evaporating a metal counter electrode. Wherein the Spiro-OMeTAD molecular layer can effectively repair physical defects on the surface of the perovskite polycrystalline thin film, copper phthalocyanine molecular deposition kinetics are further regulated and controlled, and closer molecular accumulation and better thin film coverage are obtained. The Spiro-OMeTAD can also optimize an interface energy level structure, and reverse injection of interface electrons is effectively blocked. The transmission efficiency of interface carriers is improved through improvement of the film quality and the interface energy level, and the CuPc-based perovskite solar cell shows 19.7% of photoelectric conversion efficiency. The introduction of the vacuum thermal evaporation technology further reduces the material cost, is more beneficial to the realization of large-area film formation, and lays a foundation for the marketization of the perovskite solar cell.

The utility model discloses a kind of composite magnetic plastic co-extrusion door seal and door body structure, belong to refrigeration equipment technical field, door seal, including main air bag, the side of main air bag is sequentially connected with magnet strip bag, connecting air bag and inner air bag, the side of inner air bag is provided with magnetic plastic co-extrusion magnetic strip, the other side of main air bag is provided with clamping chamber, the lower part of inner air bag right side wall is obliquely provided with auxiliary fin edge;Door body structure, including door seal, door seal is set in the opening side of door shell, the inside of door shell is provided with door lining, clamping chamber is set in the mounting groove of door lining, the opposite side of door shell is provided with U shell, the inside of U shell is provided with inner container, the inside of inner container and magnetic plastic co-extrusion magnetic strip corresponding position is provided with suction piece.The utility model is through magnet strip and door seal co-extrusion process, inside and outside magnet strip synergic effect and process structure optimization, sealing performance and production efficiency are realized with the synchronous promotion.

The present invention belongs to the field of all-solid-state lithium-ion battery positive electrode materials, and particularly relates to an amorphous high ion conductivity positive electrode material and a preparation method thereof and application in all-solid-state lithium-ion batteries. The chemical composition general formula of the positive electrode material is Li x FeOClF x , where 0.2

The application discloses a kind of phthalocyanine copper / inverted pyramid perovskite heterojunction photodetector and preparation method, comprising the following steps: 1) etching out the silicon piece with pyramid surface microstructure, as the base of growing perovskite single crystal;2) preparation perovskite solution, utilize silicon piece and glass piece as the frame of growth area restriction, utilize seed growth method, space limited method and inverse temperature crystallization method combined growth method preparation surface pyramid perovskite single crystal;3) utilize thermal evaporation in perovskite single crystal surface evaporation phthalocyanine copper film formation heterojunction, then utilize conductive carbon paste as upper and lower electrode preparation photodetector.The photodetector prepared by the application is stable at normal temperature and pressure, and has better photoelectric response relative to the control group device in a high humidity environment, and the device has good long-time humidity stability, which has guiding significance for the future high-performance photodetection field in high humidity environment such as sea, ship and island.

The invention discloses a method for preparing a carbon slurry with interface repairing ability and its application, characterized in that an inert solvent isopropanol is used as a carbon slurry solvent, and alkyl ammonium iodide molecules are used to perform doping and activation treatment on the carbon slurry. The novel carbon slurry can be used for the top electrode of a planar carbon-based perovskite solar cell. Alkyl ammonium iodide molecule doping can improve the work function of the carbon electrode. After the carbon slurry is deposited on the perovskite active layer, the alkyl ammonium iodide molecules react with the surface of the perovskite active layer to form a 2D phase, passivate the surface defects of the active layer, thereby achieving a repair effect on the "perovskite / carbon electrode" interface and improving the photoelectric conversion efficiency of the planar carbon-based perovskite solar cell. At the same time, due to the hydrophobicity of the alkyl chain, the carbon slurry can greatly improve the humidity resistance stability of the device. The method has a wide range of application prospects in perovskite photoelectric devices.

The invention relates to the technical field of solar cells, in particular to a trans-ultra-wide-band-gap perovskite solar cell and a preparation method and application of the trans-ultra-wide-band-gap perovskite solar cell. Comprising the following steps: (1) cleaning a conductive glass substrate; (2) depositing a hole transport layer on the conductive glass substrate; (3) adding polyhexamethylene guanidine hydrochloride into a perovskite precursor solution, and depositing the perovskite precursor solution on the hole transport layer to obtain a perovskite light absorption layer; (4) depositing an electron transport layer and a buffer layer on the perovskite light absorption layer; and (5) depositing a metal electrode on the buffer layer. The polyhexamethylene guanidine hydrochloride (PHMG) is added into the perovskite precursor of the perovskite solar cell, so that the crystallization rate of a thin film is delayed, surface and interface defects are reduced, and the open-circuit voltage, the efficiency and the stability of the cell are improved.

The utility model relates to the technical field of turnover box, concretely is a kind of gourd family liana seedling transportation turnover box with moisturizing function, including box, side door is installed in box one side, multiple storage components are installed in box, vertical placing groove is opened in the inner wall of box, moisturizing layer is installed in placing groove, water storage tank that box bottom end is provided with with the bottom end contact of moisturizing layer, humidity sensor is arranged in the inside of box top end, control module is arranged in the outside of box, the box is provided with spraying humidification component, the utility model provides moisture basis for moisturizing layer by water storage tank, moisturizing layer maintains the basic humidity in box by its own characteristics, humidity sensor monitors the temperature and humidity in box in real time and data transmission to control module, when humidity is lower than set value, control module starts spraying humidification component to supplement humidity, realizes the purposes of automation, precision control of humidity in box.

The invention discloses an all-inorganic perovskite solar cell and a preparation method and application thereof, and belongs to the technical field of solar cells. According to the application of the 6-hydroxy-2-naphthalene sulfonic acid alkali metal salt in the all-inorganic perovskite solar cell additive, alkali metal cations are potassium ions and / or sodium ions. A 6-hydroxy-2-naphthalene sulfonic acid alkali metal salt additive is introduced into an all-inorganic perovskite precursor solution, has alkali metal cations, sulfonic acid groups, hydroxyl and naphthalene rings, and can synergistically passivate the surface and interface of an all-inorganic perovskite film. Alkali metal cations enter perovskite crystal lattices, so that the stability of a perovskite crystal phase structure is enhanced. By introducing the 6-hydroxy-2-naphthalene sulfonic acid alkali metal salt with proper concentration, the crystal quality of the film can be improved, the grain size can be increased, the grain boundary can be reduced, the service life of a carrier can be prolonged, charge recombination in the film can be reduced, and the photoelectric conversion efficiency of the full-inorganic perovskite solar cell and the humidity stability of a device can be improved.

A high-efficiency, humidity-stable perovskite solar cell that synergistically improves defects and ion migration, comprising a perovskite active layer, wherein the chemical formula of the perovskite material is FA. x MA y Cs z PbX3, x+y+z=1, where X is selected from one, two, or three elements from I, Br, and Cl; the perovskite active layer also contains a variable-valence material. This invention uses a variable-valence material as an additive in the perovskite precursor solution, utilizing cation passivation of Pb. 0 I 0 Defects, anions and uncoordinated Pb 2+ Defects can improve the phase stability of perovskite crystals; further, positive / negative charged polymers can be used for double-sided passivation on both sides of the perovskite film, utilizing the positive / negative charged polymers to passivate oxygen vacancies and Pb. 2+ Defects such as these are eliminated, and ion migration at the interface is also blocked; the perovskite solar cell device of the present invention has both high photoelectric conversion efficiency and high humidity stability.

The application discloses a multifunctional additive modified inverted perovskite solar cell. The structure of the cell is composed of a bottom electrode, a hole transport layer, a modification layer, a perovskite light absorption layer, an electron transport layer, a buffer layer and a counter electrode from top to bottom. The modification layer is made of one or two of PEAI, Cl-PEAI and F-PEAI. The perovskite light absorption layer is a perovskite containing 2-hydrazinobenzothiazole modification, and the doping amount of 2-hydrazinobenzothiazole in the perovskite active layer is 0.01-10wt%. The application effectively improves the photoelectric conversion efficiency of the perovskite solar cell, exhibits excellent photoelectric conversion performance, and has a wide and good application prospect.

The invention discloses a metal halide perovskite material capable of absorbing ultraviolet light, visible light and near-infrared light as well as a preparation method and application of the metal halide perovskite material. The preparation method of the metal halide perovskite material comprises the following steps: adding supramolecules into a solution of a precursor material of metal halide perovskite, and forming a supramolecular hybrid crystal through solution deposition and annealing crystallization induced growth, and further obtaining the metal halide perovskite material with a biphase structure in which the supramolecular hybrid crystal and the perovskite phase coexist. The supramolecules are selected from at least one of crown ether molecules, cyclodextrin, calixarene, calixpyrrole, calixarbazole, cucurbituril and pillararene. The metal halide perovskite material provided by the invention has continuous and wide-spectrum-range light absorption capability from visible light to infrared light, and the prepared photoelectric detector has visible light to infrared light detection performance.

The invention discloses a preparation method of an atomic-scale precise halogen-fluorine-containing mercaptan co-protected gold and silver nanocluster and an application of the atomic-scale precise halogen-fluorine-containing mercaptan co-protected gold and silver nanocluster in a perovskite solar cell. The molecular formula of the nanocluster is [AuAg (SPh (3, 5-CF)) Br] (PPh), and the preparation method comprises the following steps: reacting a fluorine-containing thiol ligand HSPh (3, 5-CF) with chloroauric acid and silver nitrate in a mixed solvent of methanol and dichloromethane, reducing by sodium borohydride, adding tetraphenylphosphonium bromide, and reacting to obtain the nanocluster. Black blocky crystals are obtained through diffusion crystallization in a dichloromethane / normal hexane system. The cluster has a unique pie-shaped structure, the inner core of the cluster is an Auicosahedron and is wrapped by an Agatom shell layer, the {100} crystal face is densely covered by 20 Br ligands, 10-CF-containing thiol ligands form a hydrophobic ring belt at the waist part of the cluster, and the surface halogen coverage rate is up to 66.7%. The cluster is used as an additive to be introduced into an electron transport layer of a perovskite cell, interface defects can be effectively passivated, moisture invasion can be inhibited, and therefore the photoelectric conversion efficiency and the environmental stability of the perovskite solar cell are remarkably improved.