233 results about "Cell layer" patented technology

The invention relates to the technical field of solar cell module packaging, in particular to a packaging structure for a perovskite-back contact crystalline silicon laminated solar cell and a preparation method of the packaging structure. The packaging structure comprises a front light conversion glass layer, a perovskite top cell layer, an infrared light-transmitting adhesive film layer, a back contact crystal silicon bottom cell layer, an adhesive film layer and a packaging bottom plate which are arranged in sequence, and butyl rubber surrounding the perovskite top cell layer, the infrared light-transmitting adhesive film layer, the back contact crystal silicon bottom cell layer and the adhesive film layer is arranged between the front light conversion glass layer and the packaging bottom plate, and the near infrared transmittance of 780 nm to 1100 nm in the infrared transparent adhesive film layer is 93% to 100%. According to the packaging structure based on the front light conversion glass layer and the infrared light-transmitting adhesive film layer, regulation and control of short-wave ultraviolet and near-infrared spectrums are considered, and the photoelectric property and reliability of the perovskite-crystalline silicon four-terminal laminated device are remarkably improved.

The invention discloses a group III chloride ex-situ doped cadmium telluride thin film solar cell and a preparation method thereof, and the cadmium telluride thin film solar cell comprises a substrate layer, a transparent conductive oxide thin film layer, a high-resistance buffer layer, a cell window layer, a cell layer, a back contact layer and a back electrode layer which are sequentially arranged from bottom to top. The cell layer comprises an absorption layer and a IIICl3 layer coated on the upper surface of the cell window layer, and IIICl3 is chloride of the III main group element. According to the III-group chloride ex-situ doping method provided by the invention, the III-group chloride can be dissolved in an organic solution, room-temperature solution deposition is allowed, III-group cations are easy to diffuse at a relatively low annealing temperature, and a complex annealing process is not needed to activate a dopant; through a simple solution process and low-temperature activation, efficient doping of the CdTe absorption layer is effectively realized, and the open-circuit voltage and the overall photoelectric conversion efficiency of the cell are remarkably improved.

The invention belongs to the field of photovoltaic modules, and discloses a perovskite crystalline silicon laminated photovoltaic module and a preparation method thereof.The photovoltaic module comprises front plate glass, and a top cell perovskite layer, a first adhesive film layer, a bottom cell crystalline silicon cell layer, a second adhesive film layer and back plate glass are sequentially laid on one side of the front plate glass; the edges of the top cell perovskite layer, the first adhesive film layer, the bottom cell crystalline silicon cell layer and the second adhesive film layer are wrapped and sealed through a composite frame, the composite frame comprises a substrate with the wall thickness of 0.1-2mm, the surface of the substrate is provided with an anodic oxide layer with the thickness of 4-6mu m, and the surface of the anodic oxide layer is covered with a polyimide layer with the thickness of 30-1mm. The laminated photovoltaic module adopts the composite frame to replace the existing butyl rubber for sealing, so that the metalized edge sealing is perfectly fused into the low-temperature laminating process, the sealing performance is superior to that of the butyl rubber, and the service life of the laminated photovoltaic module is prolonged.

The invention provides a thin film photovoltaic module, a laminated photovoltaic module and power generation equipment, and relates to the field of photovoltaic technology. The thin film photovoltaic module comprises a substrate, a battery pack and a bypass structure, the battery pack is arranged on the substrate, and the battery pack comprises a plurality of sub-batteries which are sequentially connected in series. The sub-battery comprises a first electrode, a battery layer and a second electrode which are sequentially stacked, the first electrode is in contact with the substrate, the first electrode comprises a first sub-electrode and a second sub-electrode which are arranged at an interval, and the second electrode is in contact with the first sub-electrode. The bypass structure is used for being connected with the battery pack in parallel, in the bypass structure and the battery pack which are connected in parallel, the bypass structure is electrically connected with the second electrode of the sub-battery located at one end of the battery pack and the second sub-electrode of the sub-battery located at the other end of the battery pack, and the bypass structure is conducted under the condition that one sub-battery in the battery pack is shielded. And reverse bias protection can be realized for a plurality of sub-batteries in the battery pack through the bypass structure, so that the processing cost can be reduced.

The embodiment of the invention provides a flexible perovskite photovoltaic device and a preparation method thereof. The flexible perovskite photovoltaic device comprises a perovskite photovoltaic cell layer; the water and oxygen barrier film layer at least covers the two sides of the perovskite photovoltaic cell layer, and a first water and oxygen barrier film and a second water and oxygen barrier film are formed on the two sides of the perovskite photovoltaic cell layer respectively; the elastic packaging layer coats the water-oxygen barrier film layer; the Young modulus of the above layer structure satisfies the following relation: the perovskite photovoltaic cell layer > the water oxygen barrier film layer > the elastic packaging layer. The thickness of the elastic packaging layer is larger than the thickness of the water-oxygen barrier film layer and larger than the thickness of the perovskite photovoltaic cell layer. According to the flexible perovskite photovoltaic device and the preparation method thereof provided by the embodiment of the invention, the appearance of the device or the surface of the water-oxygen barrier film is not damaged when the flexible perovskite photovoltaic device is bent for use, the photoelectric conversion efficiency is ensured, and the service life of the device is prolonged.

The invention discloses a bone organ as well as a construction method and application thereof. According to the construction method of the bone organoid, in the in-vitro culture process of the bone organoid, a calcium source and a phosphorus source which are needed by mineralization are introduced into hydrogel and a culture medium, external force assistance is not needed, only single-type cells are used, simple ionized calcium and phosphorus are used, and microspheres are used for regulating and controlling spatial distribution of calcium and phosphorus; the in-situ mineralization method and the in-situ mineralization method are both beneficial for promoting mineralization osteogenesis of cells, osteogenesis, mineralization, cell layer formation, shaping and reconstruction are effectively guided through the in-situ mineralization mode, development of bone organs is promoted, the bone repair period is effectively shortened, and the method is safer and wider in applicability.

An interconnect for electrically connecting cells of an electrochemical cell stack is disclosed. The interconnector comprises a first side and a second side; the first side is adapted to face a cell layer comprising an electrochemically active cell region, and a portion of the first side is provided with an electrically insulating layer.

The invention discloses a preparation method of a thin film type photovoltaic hollow assembly, and belongs to the technical field of photovoltaic power generation glass production. The preparation method comprises the steps that tempered glass and an aluminum frame are pretreated; fixing the photovoltaic cell layer between the two pieces of toughened glass to form a hollow cavity; sleeving the peripheries of the two pieces of toughened glass with an aluminum frame, and fixing to obtain a first assembly; and treating the joint of the toughened glass and the aluminum frame through laser welding, and cooling to obtain the thin film photovoltaic hollow assembly. Through the preparation method provided by the invention, the problem of aging caused by traditional sealant packaging can be solved, so that the weather resistance and the service life of the thin-film photovoltaic hollow assembly are improved and the service life of the thin-film photovoltaic hollow assembly is prolonged.

The cell-containing vessel includes a cell culture vessel, a cell culture medium contained in the cell culture vessel, a first cell layer formed on a cell culture surface of the cell culture vessel, and a second cell layer that contains stroma-forming cells and is formed on the first cell layer. The second cell layer is removable from the first cell layer.

A foam sheet, relating to the field of foam manufacturing, comprises: a cross-linked resin layer, an independent pore layer, and an open-cell layer; the independent pore layer has closed and non-communicating pores; the open-cell layer has cavities communicating with the outside of the foam sheet; the open-cell layer is located on at least one of the upper and lower surfaces of the foam sheet distributed along its thickness direction; the average number of pores T / R of the foam sheet parallel to the thickness direction satisfies: 1.5 ≤ T / R ≤ 10; the average pore diameter of the independent pore layer parallel to the thickness direction is 100 μm to 500 μm. The foam sheet of this application embodiment has excellent shock absorption and cushioning performance.

The invention discloses a culture method of in-vitro uniform monolayer cells of prawns, and belongs to the technical field of biology. The method comprises the following steps: (1) obtaining lymphatic tissues of a last-stage prawn at the early stage of shelling, completely stripping an outer membrane to obtain internal tissues, and cutting the internal tissues into small tissue blocks; (2) cleaning the small tissue blocks, inoculating the small tissue blocks to a culture plate coated with a gelatin solution, adding a complete culture solution into an inoculation system at intervals within 12 hours after inoculation for culture, replacing the complete culture solution 24-48 hours after inoculation, and inducing tissue cells to continuously migrate to form an in-vitro cell layer; (3) blowing and beating the cell culture to obtain a cell suspension, and centrifuging to obtain a cell monolayer; and (4) suspending the cell monolayer by adopting a complete culture solution, then inoculating the cell monolayer into a culture plate coated with a gelatin solution, and culturing to obtain the in-vitro uniform monolayer cells of the prawns. According to the method, the prawn monolayer cells which are long in in-vitro survival time, uniform and stable and are cultured in vitro can be obtained, and an important tool is provided for related virology research.

The present invention relates to a method of operating a cell stack of cell units, each cell unit in the cell stack including a cell layer having an electrochemically active cell area and a first side and a second side, and a separator plate electrically connected to the cell layer, the separator plate having a first side and a second side, the second side of the separator plate extending across and spaced apart from the first side of the cell layer to form a first fluid volume, and the first side of the separator plate having a protrusion oriented away from the first side of the cell layer and toward the second side of the cell layer of an adjacent cell unit to form a second fluid volume, the method including supplying a first fluid to the first fluid volume, supplying a second fluid to the second fluid volume, and adjusting a pressure difference between the first fluid volume and the second fluid volume to maintain the spaced apart arrangement that forms the first fluid volume.

The utility model discloses a thin film assembly structure for optimizing edge light utilization. The thin film assembly structure comprises an assembly laminating piece and an assembly frame, the assembly laminated piece comprises a front glass substrate which is provided with a light-in surface and a light-out surface which are opposite to each other; the packaging layer, the perovskite cell layer, the back glass substrate and the bonding glue are sequentially arranged on the light emitting face in a stacked mode, butyl rubber can be selected as the bonding glue, and the bonding glue can enable the thin film assembly to isolate water vapor; the assembly frame is clamped at the outer edge of the assembly laminated piece, the upper end surface of the assembly frame is higher than the light incident surface, and the height difference between the upper end surface and the light incident surface is marked as H; the perovskite cell layer is formed by connecting a plurality of rows of sub-cells arranged in an array in series, the width of the first sub-cell close to the two sides of the assembly frame is marked as W1, the width of the sub-cell in the middle is marked as W2, W1 = W2 + D, and D represents the shielded width of the sub-cells close to the assembly frame on the two sides.

The invention provides a chip system which comprises a cell growth area, the cell growth area comprises a cell layer and a plurality of first scaffolds, the cell layer is used for generating viruses, and each first scaffold comprises a plurality of hydrogel layers; the multiple hydrogel layers are stacked to form a groove, and pores of the multiple hydrogel layers are sequentially reduced in the direction from the interior to the exterior of the groove; the groove is used for accommodating the cell layer, so that viruses generated by the cell layer penetrate through the multi-layer hydrogel layer. The chip system is helpful for reducing the phenomenon of cell shedding in the virus transfection process, and can improve the efficiency of transfecting viruses by cells.

The present application provides a high-power semiconductor light-emitting chip with longitudinal carrier modulation and a manufacturing method therefor. The high-power semiconductor light-emitting chip with longitudinal carrier modulation includes: an active layer; a first semiconductor cell layer disposed on the active layer, wherein the first semiconductor cell layer includes a contact doped layer, the first semiconductor cell layer includes a plurality of current blocking regions that are disposed at least in the contact doped layer and distributed in a slow-axis direction, and the parts of the first semiconductor cell layer between neighboring current blocking regions act as current injection regions, wherein a current density function J(z) of current density in the active layer satisfies:J⁡(z)=(Jop-J0)·f⁡(z)+J0;f⁡(z)=Np(z)1L·∫L0Np(z)⁢dz;whereinJ0=α⁢N0+bN02+cN03,N0=Ntr⁢exp⁡(αi+amΓ⁢g0);and an average resistivity r(z) of corresponding current injection regions and current blocking regions at any position in the cavity-length direction satisfiesr⁡(z)=r0·1f⁡(z)+J0 / (Jop-J0),where r0 is a coefficient of r(z).

The invention discloses an autologous NK cell in-vitro culture method for improving purity and amplification multiple, and belongs to the technical field of biology. In order to overcome the defect that in-vitro large-scale amplification and activation of autologous NK cells of unhealthy people (solid tumor patients) are difficult, the autologous NK cells are obtained from peripheral blood of the patients, autologous CD3 + cells are used as trophoblast layers, the autologous NK cells of the patients are efficiently amplified in vitro, the cell purity reaches 99% or above, biosafety risks do not exist, and the autologous NK cells of the patients can be efficiently amplified in vitro. Moreover, an efficient anti-tumor effect is also shown in vivo, the bottleneck of in-vitro amplification of autologous NK cells of a patient is overcome, and a new direction is provided for cellular immunotherapy of the patient.

The invention relates to a cell layer (200) for an electrolysis cell stack (60) of an electrolysis device group (51), in particular a water electrolysis device group (51), comprising a frame (250), in particular a cathode frame (250), in the main central region of which a transport structure (210) of the electrolysis cell stack (60) is accommodated, said frame (250) comprising at least one circumferentially open through-passage opening (256), in which the transport structure (210) of the electrolysis cell stack (60) is accommodated, the access through hole is used for electrolyzing an effluent product medium (56) of the cell stack (60); a fluid flow path (257) is arranged between the inner edge of the frame (250) and the outer edge of the transport structure (210) beside the product medium passage through-holes (256), the fluid flow path (257) leading to at least one of the product medium passage through-holes (256).

This utility model discloses a photovoltaic glass and a photovoltaic module. The photovoltaic glass may include: a first region and a second region extending outward from the first region, wherein the first region corresponds at least to the cell layer of the photovoltaic module, and the edge of the second region is provided with a groove structure opening towards the side. The width of a first shoulder located on one side of the groove structure in the thickness direction of the photovoltaic glass is equal to or less than the width of a second shoulder located on the opposite side of the groove structure in the thickness direction of the photovoltaic glass, and the width of the second shoulder is less than or equal to the width of the second region. This structural optimization of the photovoltaic glass increases the structural stability of the photovoltaic module, effectively solves the problems of edge delamination and springback of the module, and improves the sealing effect and reliability of the photovoltaic module.

The present application relates to the technical field of medicine, in particular to a kind of siRNA eye drop for penetrating mucus barrier and cell barrier and preparation method thereof.Innovative development side chain guanidino group-containing polydisulfide delivery carrier is used in the present application, through the quick dynamic disulfide exchange reaction between polydisulfide and sulfhydryl on mucin, tear film retention and efficient penetration are realized, and cationic polydisulfide is quickly adsorbed on the surface of negative charged cell membrane by electrostatic interaction, the quick dynamic disulfide exchange reaction between polydisulfide and sulfhydryl on cell membrane is used, and endocytosis is used to quickly penetrate tight junction cell layer.

The application discloses a kind of based on multi-focal sharpness analysis's stacked cell hierarchy determination method and system.Acquire Z-stack multi-focal image sequence and extract each focal plane cell contour;Based on centroid coordinates and area features, establish the profile correlation data table of the same cell in different focal planes;Ellipse fitting algorithm is used to complete the shape of the profile of the cell that is blocked;Based on complete geometry mask, screen potential stacked candidate cell pair and locate overlapping area profile;With gradient function as evaluation index, calculate the overlapping area profile sharpness of each cell under multiple focal planes, determine the best focus focal length and judge cell hierarchy relationship;Attribute graph is constructed and topological sorting is executed, and global stacked hierarchy sequence is output.The application establishes hierarchy reasoning rule with rigorous physical basis according to the physical law that upper cell best focus focal length is higher, is compatible with existing Z-stack imaging process, adapts to basic laboratory high-throughput analysis demand.

The utility model discloses a flexible photovoltaic assembly suitable for a marine environment. The battery comprises a battery layer, an upper CPC material layer is bonded to the upper portion of the battery layer through a second packaging adhesive film layer, a polypropylene resin glass fiber composite material layer is bonded to the lower portion of the battery layer through a third packaging adhesive film layer, an ethylene-tetrafluoroethylene copolymer material layer is bonded to the upper portion of the upper CPC material layer through a first packaging adhesive film layer, and a polypropylene resin glass fiber composite material layer is bonded to the lower portion of the battery layer through a second packaging adhesive film layer. A lower CPC material layer is adhered to the lower portion of the polypropylene resin glass fiber composite material layer through a fourth packaging adhesive film layer, the upper portion of the ethylene-tetrafluoroethylene copolymer material layer is coated with an upper organic silicon anti-corrosion elastic coating, and the lower portion of the lower CPC material layer is coated with a lower organic silicon anti-corrosion elastic coating. The advantages are that a multi-layer packaging design (four layers of packaging materials and four layers of packaging adhesive films) forms a high-strength composite structure, and the overall impact resistance, corrosion resistance and sealing performance of the assembly are further improved, so that the assembly is more suitable for a complex marine environment.

The utility model relates to the technical field of thin-film capacitors, in particular to a high-temperature-resistant thin-film capacitor, which comprises a battery core layer, the battery core layer comprises a thin-film layer and a gold-plated layer, a second packaging layer is arranged on the outer layer of the battery core layer, a shell layer is arranged on the outer side of the second packaging layer, and the gold-plated layer is evaporated on the side wall of the thin-film layer. According to the utility model, the thin film layer and the gold plating layer are redesigned, the contact area of the gold spraying layer and the cell layer is increased, the contact resistance is reduced, the high-frequency loss value is reduced, and the current-carrying capability of the electrode is improved, so that the working current bearing peak value of the capacitor is improved; and through the design of the moisture-proof layer, the second packaging layer and the shell layer, the overall heat-conducting property and the high-temperature-resistant property can be improved, so that the situation that the two ends are burnt and damaged can be reduced.

The application relates to the technical field of solar cells, in particular to a photovoltaic module and a manufacturing method thereof. The photovoltaic module comprises a cell string group, a second interconnecting strip extending along a second direction and an interconnecting part. In a first direction, adjacent cell strings are electrically connected through an electrical connector. In the thickness direction of the cell string, the second interconnecting strip is located on the back light surface of the cell string, and the second interconnecting strip and the projection of the cell piece have an overlapping part, so that the arrangement space of the second interconnecting strip and the cell string can be reduced, more cell pieces can be arranged in the limited space, the screen ratio of the photovoltaic module is improved, and the output power of the photovoltaic module is improved. In the thickness direction of the cell string, the interconnecting part is electrically connected between the electrical connector and the interconnecting part, the risk of breakage and damage of the electrical connector due to bending, the risk of cracking of the welding spot and the risk of hidden cracking in the lamination process caused by the local increase of the thickness of the cell layer are reduced, and the processing yield and the working stability of the photovoltaic module are improved.

A memory device includes a first cell layer, a second cell layer stacked on the first cell layer, a third cell layer stacked on the second cell layer, a fourth cell layer stacked on the third cell layer, a first page buffer connected to a first string included in the first cell layer and a third string included in the third cell layer, a second page buffer connected to a second string included in the second cell layer and a fourth string included in the fourth cell layer, and a control logic circuit configured to control the first page buffer and the second page buffer to perform a respective core operation on each of the first cell layer and the second cell layer.

This invention discloses a layered anti-aging composition and its application. It comprises 4-10 parts of *Vigna angularis* fruit extract, 0.01-0.2 parts of soluble collagen, and 10-20 parts of *Fucus vesiculosus* extract, all parts by weight. The composition of this invention employs a layered anti-aging skincare strategy ("layered" generally refers to different skin areas, i.e., "cellular layer-dermis-epidermal layer"). This composition can promote the expression of LOR (lower retinal occlusion) and the relative expression level of TGM5 (epidermis), increase the content of type I procollagen C-terminal peptide and elastin (dermis), enhance mitochondrial activity, and increase ATP content (cellular layer). That is, it works progressively from the epidermis to the dermis to the cellular layer, having a relevant effect on each layer of skin, and possessing the functions of enhancing skin elasticity, firming, anti-aging, and repairing the skin barrier.

The invention relates to a cell layer (100) for an electrochemical cell stack (10, 60), in particular a fuel cell stack (10) or an electrolysis cell stack (60), at least comprising a cell frame (120) for radially (Rr) fluid-sealing an electrochemically active region in the cell stack (10, 60), and a membrane (131) arranged within the cell frame (120) for an electrochemical function of the cell stack (10, 60), and the membrane (131) is designed as a membrane-seal device (130), the membrane (131) being part of a membrane-seal device (130), and the membrane (131) has, on / in the radially (Ra) outer circumferential portion (133) thereof, a membrane seal (132) which runs around completely in the circumferential direction (Ur) of the cell layer (100) and which can be or is designed to be fluid-tight with respect to the cell frame (120).

The utility model provides a frame structure and a photovoltaic assembly, relates to the field of photovoltaic technology, and aims to solve the problem that a conventional handle plate is easy to break due to large non-deformability difference in different directions. The frame structure is applied to the photovoltaic module, the photovoltaic module comprises a battery layer, and the frame structure comprises at least one supporting plate; the lifting handle plate is connected with the supporting plates, the lifting handle plate and at least one supporting plate define an installation space, the battery layer is arranged in the installation space, and a hollow area is arranged on the lifting handle plate; wherein the handle plate comprises a composite plate containing a glass fiber mesh. According to the frame structure, the tensile strength of the lifting handle plate in the length direction and the tensile strength of the lifting handle plate in the width direction are the same or almost the same, the non-deformability of the lifting handle plate in different directions is small in difference, and therefore the problem that the lifting handle plate is broken is avoided.

The invention discloses a laminated piece of a main-grid-free photovoltaic module and a preparation method of the laminated piece. The laminated piece of the main-grid-free photovoltaic module comprises a front glass plate, a front carrier film, a photovoltaic cell layer, a back carrier film and a back plate-shaped structure which are connected in a laminated and stacked mode. Wherein the photovoltaic cell layer comprises a plurality of main-grid-free cell pieces which are arranged in a tiled manner; the front surface of each main-grid-free battery piece is attached and connected with a front surface carrier film; the back surface of each main-grid-free battery piece is attached and connected with a back surface carrier film; and the thicknesses of the front carrier film and the back carrier film are not less than 0.15 mm. According to the invention, the thickness of the carrier film covered on each main-grid-free battery piece is increased, and adhesive film structures between the front glass plate and the photovoltaic battery layer and between the back plate-shaped structure and the photovoltaic battery layer are omitted; the structure and the preparation process of the lamination piece of the main-grid-free photovoltaic module are simplified, and the preparation cost and the preparation efficiency of the main-grid-free photovoltaic module can be improved.

The invention discloses a mechanical metamaterial with double negative equivalent parameters and a preparation method thereof, and relates to the technical field of mechanical metamaterial structures. The invention aims to solve the problems of insufficient controllability, designability, multi-scene adaptability and the like of the existing negative Poisson's ratio and negative stiffness metamaterial. The device comprises a plurality of unit cell layers which are sequentially arranged from bottom to top, each unit cell layer comprises a plurality of unit cells which are evenly distributed in a matrix shape, every two adjacent unit cells are fixedly connected through a connecting block, each unit cell comprises two cell elements which are oppositely and fixedly connected in the vertical direction, and each cell element comprises a polygonal frame, a fixing block and a plurality of connecting rods; the fixing block is arranged over the polygonal frame, the connecting rods are evenly distributed between the polygonal frame and the fixing block, the inner side of the upper end of each connecting rod is fixedly connected with the fixing block, and the outer side of the lower end of each connecting rod is fixedly connected with the middle of one frame of the polygonal frame. The method is used for mechanical metamaterial design.

The solid oxide cell stack has a flow distributor combined contact enabler made of pressed metal foil with flow guide and contact areas disposed between the interconnect layers and the cell layers in the stack.