168 results about "Cell substrate" patented technology

The invention relates to a method (10) for producing an electrochemical cell (12), in particular an electrolysis cell (14), comprising a cell substrate (16), a first electrode layer (26), a second electrode layer (32), and an electrolyte layer (28) arranged between the first electrode layer (26) and the second electrode layer (32), the electrolyte layer comprising zirconium oxide stabilized at least with scandium (Sc), wherein the electrolyte layer (28) is deposited by a sputtering process. It is proposed that a target be used in the sputtering process which has at least 10 atomic percent (At%) of scandium (Sc) relative to the metals of the target.

A solar cell includes: a cell substrate having a first surface and a second surface opposite to each other; the first surface is provided with first regions and second regions which are alternately distributed at intervals, and spacer regions located between the adjacent first regions and second regions; the first doping layer is at least located on the first region; the second doping layer is at least located on the second region, and the polarity of the first doping layer is opposite to that of the second doping layer; the first conductive layer is arranged on one side, deviating from the battery substrate, of the first doping layer; the second conductive layer is arranged on the side, away from the cell substrate, of the second doped layer. At least one extension contact of the first and second conductive layers connects the first and second doped layers, the second conductive layer being electrically isolated from the first conductive layer. The second doping layer and the first doping layer are locally connected through the conductive layer to form a micro short circuit, so that the temperature of the battery piece during working is reduced, and a hot spot phenomenon is prevented. The invention also provides a photovoltaic module comprising the solar cell and a preparation method of the solar cell.

The embodiment of the invention relates to the photovoltaic field, and provides a photovoltaic cell and a manufacturing method thereof, a laminated cell and a photovoltaic module, and the photovoltaic cell comprises a cell substrate which is provided with a first surface and a second surface which are opposite to each other; the grid lines are located on the first face and / or the second face and arranged at intervals in the first direction, each grid line comprises a contact structure and a connecting layer which are electrically connected with the battery substrate, and each contact structure comprises a plurality of contact parts; the contact part comprises a first contact part and a second contact part which are alternately arranged in the second direction, the connecting layer is provided with a first side part and a second side part which are opposite in the first direction, the first contact part is at least in contact connection with the first side part, and the second contact part is in contact connection with the second side part; the second contact part is at least in contact connection with the second side part, and the first contact part is in contact connection with the first side part, thereby at least facilitating the improvement of the electrical connection performance of the grid line and the battery substrate and the reduction of the manufacturing cost of the grid line.

The present application relates to the technical field of semiconductors, and discloses a back-contact cell and a manufacturing method therefor, for use in preventing electric leakage and improving the electrical stability of the back-contact cell. The back-contact cell comprises a cell substrate, and a first electrode and a second electrode which are formed on a non-illuminated surface of the cell substrate. The non-illuminated surface of the cell substrate comprises first areas and second areas which are alternately distributed. The first areas and the second areas have opposite conductivity types. The projection of at least part of the first electrode on the non-illuminated surface is located in the first areas. The projection of the second electrode on the non-illuminated surface is located in the second areas. Each of the first electrode and the second electrode comprises a plurality of current collector electrodes and a plurality of busbar electrodes. In a second direction, the distance between the end of each current collector electrode segment in the first electrode and an adjacent busbar electrode comprised in the second electrode is a first distance. In the second direction, the distance between the end of each current collector electrode segment in the second electrode and an adjacent busbar electrode comprised in the first electrode is a second distance. The first distance is different from the second distance.

The present application discloses a solar cell, a manufacturing method therefor, and a photovoltaic module, and relates to the technical field of photovoltaics. In the present application, a contact area between an electrode structure comprised by a solar cell and an interconnection piece is increased, and interconnection adhesion is increased, thereby increasing connection strength between the interconnection piece and the electrode structure, and improving structural stability of a photovoltaic module comprising the solar cell. The solar cell comprises: a cell substrate, and an electrode structure formed on the cell substrate. A surface of the electrode structure formed on the cell substrate is a first surface, and a surface of the electrode structure facing away from of the cell substrate is a second surface. The first surface and the second surface are both flat, and the roughness of the second surface within each 10 micron range is greater than 10 nm and less than 40 nm; or, both the first surface and the second surface are textured, and the roughness of the second surface within each 10 micron range is greater than or equal to 170 nm and less than or equal to 900 nm.

The invention discloses a boron diffusion method of a solar cell and the solar cell. The boron diffusion method comprises the following steps: forming a boron-doped layer for a cell substrate in an oxidation furnace tube to obtain a primarily-doped boron substrate, the boron-doped layer comprising a deep-junction boron diffusion layer and a borosilicate glass layer which are laminated from inside to outside; taking out the primarily-doped boron matrix from the oxidation furnace tube, and cooling the primarily-doped boron matrix until the cooled temperature is not higher than 200 DEG C; putting the cooled primarily-doped boron substrate into the preheated oxidation furnace tube again, and heating the primarily-doped boron substrate in an oxygen-free environment to activate non-active boron atoms in the boron-doped layer; and carrying out oxidation source absorption treatment on the deep-junction boron diffusion layer in the primarily-doped boron substrate, and redistributing boron atoms in the deep-junction boron diffusion layer. According to the boron diffusion method, the amount of active boron atoms contained in the surface of the deep-junction boron diffusion layer of the solar cell is increased, the boron doping concentration peak value in the deep-junction boron diffusion layer is reduced, the boron doping concentration distribution is relatively uniform, and the contact resistance between the metal electrode and the deep-junction boron diffusion layer is reduced.

The embodiment of the invention relates to the photovoltaic field, and provides a photovoltaic cell and a photovoltaic module, and the photovoltaic cell comprises a cell substrate which is provided with two opposite edge regions along a first direction and a central region located between the two edge regions; the plurality of grid lines are positioned on the battery substrate and are arranged at intervals along a first direction; the first welding spots and the second welding spots are located on at least part of the edge areas, the second welding spots are located on the areas, close to the central area, in the edge areas, the first welding spots are located on the sides, away from the central area, of the second welding spots, and the orthographic projection area of the first welding spots on the battery substrate is smaller than that of the second welding spots on the battery substrate; the first connecting lines are located on at least a part of the edge areas, the first connecting lines are in contact connection with the first welding spots and the second welding spots, and are in contact connection with a plurality of grid lines located on the sides, away from the central area, of the second welding spots, and the transmission efficiency of carriers in the photovoltaic cell is at least improved.

A back contact cell includes a cell substrate and first insulation members. Fingers having two polarities are alternately arranged on a back surface of the cell substrate. The back surface includes current collection regions and non-current collection regions which are distributed in a staggered manner. The first insulation members are arranged at edges of the non-current collection regions in a continuous manner in an extension direction of the current collection regions, and cover portions of the fingers located in the non-current collection regions close to the current collection regions.

The embodiment of the invention relates to the photovoltaic field, and provides a back contact cell, a back contact laminated cell and a photovoltaic module, and the back contact cell comprises a cell substrate which comprises at least one isolation region extending in a first direction and two unit regions located at the two opposite sides of the isolation region; each unit region comprises a first doped region and a second doped region which are spaced from each other, and the isolation region is located between the first doped region of one unit region and the second doped region of the other unit region in the two adjacent unit regions; the battery substrate located in the isolation region comprises at least one isolation group, the isolation group comprises a first isolation part and a second isolation part, the first isolation part and the battery substrate located in the first doped region have first type doping elements, and the second isolation part and the battery substrate located in the second doped region have second type doping elements; in the first and second isolation parts belonging to the same isolation group, the first isolation part is located between the second isolation part and the second doped region, and at least the insulation performance of the isolation region can be improved by means of the isolation group.

The invention relates to the technical field of solar cells, and discloses a back contact solar cell and a cell module. The battery comprises a battery base body with a light receiving face and a backlight face, the backlight face comprises first polarity areas and second polarity areas which are alternately arranged, isolation areas are arranged between the first polarity areas and the second polarity areas, and the battery base body further comprises boss structures formed by protruding the surfaces of the first polarity areas and / or the surfaces of the second polarity areas towards the isolation areas; and the interface optimization structure is convexly formed on at least part of the side wall surface of the isolation region and comprises at least one optimization unit, one end of the optimization unit is connected with the boss structure, and the other end of the optimization unit is spaced from the bottom surface of the isolation region. The boss structure enables the effective printing area of the first polarity area and the second polarity area to be increased, and the positioning difficulty of printing is reduced; according to the interface optimization structure, the area of the p-n junction is increased, the efficiency of separating electron-hole pairs by a built-in electric field is improved, the carrier separation and transmission efficiency is improved, and the current output efficiency and the overall electrical performance are improved.

The invention discloses a solar cell and a preparation method thereof, and belongs to the photovoltaic field. The solar cell comprises a cell substrate, a transparent conductive film located on at least one surface of the cell substrate, and an electrode located on the side, away from the cell substrate, of the transparent conductive film. The transparent conducting film comprises a first transparent conducting film located in the electrode area and a second transparent conducting film located in the non-electrode area, and the carrier concentration of the first transparent conducting film is larger than that of the second transparent conducting film. According to the invention, the transparent conductive film is optimized, the contact resistance between the electrode and the first transparent conductive film is reduced, and the carrier concentration difference in the transparent conductive film is combined, so that the collection of carriers is facilitated, and the cell efficiency is improved. Meanwhile, the carrier concentration of the non-electrode area is low, high light transmission can be kept, the light absorptivity of the cell is improved, and therefore the cell efficiency can be improved. According to the invention, the requirements of the electrode area on conductivity and the non-electrode area on light transmission can be balanced, and the efficiency of the cell is improved from the double angles of electricity and optics.

The invention relates to the photovoltaic field, and provides a photovoltaic cell and a manufacturing method thereof, a laminated cell and a photovoltaic module, and the manufacturing method comprises the steps: providing a cell substrate which is provided with two opposite surface sides; forming a seed layer on the at least one surface side; printing a first paste on the surface side on which the seed layer is formed, the first paste including first conductive particles and second conductive particles, the silver content of the first conductive particles being lower than the silver content of the second conductive particles; modifying the first slurry to convert the first slurry into a transmission layer, and forming a grid line by the seed layer and the transmission layer; in the modification treatment step, a part of second conductive particles are connected with a part of first conductive particles to form a conductive connecting part, and / or each first conductive particle comprises an inner core and an outer layer, and a part of second conductive particles and a part of outer layers are connected into a whole and then are connected with the inner core to form a conductive connecting part; and the collection efficiency of the grid line to the current carriers is at least improved.

The invention discloses a solar cell, a manufacturing method thereof and a photovoltaic module, and relates to the field of photovoltaic technology. The solar cell provided by the invention comprises a cell substrate and a grid line arranged on the surface of the cell substrate, the grid line comprises a metal layer arranged on the surface of the cell substrate and a conductive main body arranged on the metal layer, and a plurality of organic glue points which are discretely distributed are arranged between the metal layer and the conductive main body; in the overlapping area of the conductive main body and the metal layer, the number of energy signals of K-edge X rays of the C element of the organic glue point in EDS energy spectrum surface scanning is 0.5-5 cps / mu m < 2 >, or the C element of the organic glue point accounts for 1-10 wt.% of the detected total element amount. By arranging the organic glue points, the structural reliability of the grid line can be improved, and the problem that the conductive main body falls off is not prone to occurring. The manufacturing method of the solar cell provided by the invention is used for manufacturing the solar cell.

The invention relates to the technical field of biology, in particular to an MDCK cell strain and application of the MDCK cell strain in preparation of influenza vaccines. The invention provides an MDCK cell strain, the preservation number of which is CCTCC NO: C202504. The cell strain not only can maintain high sensitivity and high yield to influenza viruses and ensure the yield and quality of vaccines, but also can remarkably improve the biological safety of cell matrix influenza vaccines due to elimination of tumorigenicity risk, and has a good application prospect. And a key technical support is provided for promoting domestic research and development and marketing of influenza vaccines based on cell culture.

A method for in situ differentiation of stem cells within a cell culture bioreactor is provided. The method includes providing a bioreactor vessel having a cell culture chamber, the cell culture chamber having an inlet for introducing fluid into the cell culture chamber and an outlet for introducing fluid out of the cell culture chamber. The bioreactor vessel also includes a cell substrate disposed within the cell culture chamber for culturing cells on the cell substrate. The method includes seeding undifferentiated stem cells onto the cell substrate within the cell culture chamber and perfusing the cell culture chamber with a differentiation medium to promote differentiation of the undifferentiated stem cells into specific cell lineages, thereby causing the undifferentiated stem cells to become differentiated cells.

A method for preparing a TOPCon cell substrate and a double-sided electroplated TOPCon cell prepared by the method. The method comprises: providing a TOPCon cell silicon substrate with grooves on two sides; carrying out thermal repair treatment on the silicon substrate; and separately performing light injection treatment on the front surface and the back surface of the silicon substrate that have been subjected to thermal repair treatment, thereby obtaining a TOPCon cell substrate. Thermal repair can greatly increase the overall lattice thermal motion of silicon of the substrate, and light injection performed on the front surface and the back surface in two different light incident surface directions makes the front surface and the back surface absorb light, thereby repairing defects at the interface between amorphous silicon and a silicon wafer, and improving the quality of PN junctions.

The present disclosure provides a solar cell, and a photovoltaic module and a manufacturing method therefor. The solar cell comprises a cell substrate (100), back electrodes (110) and a conductive enhancement layer (120); a plurality of back electrodes (110) are provided, and the plurality of back electrodes (110) are arranged on the backlight surface of the cell substrate (100); and the conductive enhancement layer (120) is arranged on the side of the back electrodes (110) distant from the backlight surface, the conductive enhancement layer (120) is connected to the plurality of back electrodes (110), and the conductive enhancement layer (120) covers at least part of the backlight surface of the cell substrate (100).

The invention belongs to the technical field of vaccine preparation, and particularly relates to a method for suspension culture of rabies virus. MDCK-siat7e-C is used as a cell matrix for suspension culture of the rabies virus, experiments prove that the rabies virus can be subcultured in the cell, the virus titer can reach 7-81gFFU / ml, and through mouse immunogenicity inspection, the protection index is greater than 100, and the antibody titer reaches 67IU / ml after mice are immunized. The method for suspension culture of the rabies virus by the cell strain provides reference for suspension culture of the rabies virus.

Acellular substrates that provide continuous 3D growth of a variety of cells and / or tissues and methods of making the same are provided. The acellular substrates have a three-dimensional (3D) macrostructure defined by a continuous matrix of extracellular matrix (ECM) material associated with a first cell type of interest and a network of microporous channels and / or chambers extending throughout the continuous matrix of ECM material associated with the first cell type of interest. Methods of forming a personalized graft using a patient's own cells is also provided.

A method of coating a cell culture substrate in situ in a bioreactor is provided that includes providing a bioreactor vessel having a cell culture chamber with an inlet for flowing fluid into the cell culture chamber and an outlet for flowing fluid out of the cell culture chamber, and a cell substrate disposed in the cell culture chamber for culturing cells. The method includes providing a coating solution for coating the cell substrate; inputting the coating solution into the cell culture chamber such that the coating solution contacts the cell substrate; and removing an excess of the coating solution from the cell culture chamber. After removing the coating solution, a coated cell substrate remains in the cell culture chamber.

The invention relates to a method (100) for producing an electrochemical cell element (10) comprising an electrochemical cell (14), in particular an electrolysis cell (14), and an interconnector (24), the electrolysis cell (14) having at least three functional layers (26) and a metal cell substrate (22), the interconnector (24) having projections (16). According to the invention, the interconnector (24) is connected to the cell substrate (22) by means of a plurality of micro-welded connections (34), each micro-welded connection (34) being arranged on a projection (16).

The invention relates to a method and a device for detecting the respective potential presence of respective different cell fluorescence pattern types on a biological cell substrate with human epithelioma cells (HEp cells), said fluorescence pattern types comprising different antinuclear antibody fluorescence pattern types. The invention also relates to a method for detecting the potential presence of different cell fluorescence pattern types on a biological cell substrate with human epithelioma cells by digital image processing, as well as a computing unit, a data network device, a computer program product and a data carrier signal therefor.

This invention belongs to the field of cell sample detection and provides a microfluidic chip for separating circulating tumor cells (CTCs) based on size and aptamers. The invention includes a functional layer with a sample outlet and a sample inlet, and a cell substrate disposed on the upper and lower surfaces of the functional layer. The sample outlet and sample inlet of the functional layer are connected by a separation channel, which includes at least one micropillar array capable of carrying an EpCAM aptamer. The micropillar array is composed of a capture channel surrounding at least two micropillar structures. One end of the micropillar array is connected to the sample inlet, and the other end of the micropillar array has a gradient retention channel connected to the sample outlet. The microfluidic chip uses EpCAM aptamers to modify the micropillar array, increasing the number of collisions between CTCs and the chip, and increasing the probability of collisions between circulating tumor cells and the aptamers on the micropillar surface. Secondly, by utilizing the high specificity of the aptamer for tumor cells, the accuracy and specificity of separation are improved.

A method is proposed for detecting at least one fluorescence pattern on an immunofluorescence image of a biological cell substrate, comprising the following steps: incubating the cell substrate with a liquid patient sample, which potentially includes primary antibodies, and furthermore with secondary antibodies, which are marked using a fluorescence stain, irradiating the cell substrate using excitation radiation and capturing the immunofluorescence image, determining segmentation information comprising at least one first and one second segmentation area, wherein the segmentation areas each represent a respective cell substrate area, via segmentation of the immunofluorescence image using a first neural network, determining a boundary area, which represents a transition from the first cell substrate area towards the second cell substrate area in the fluorescence image, on the basis of the segmentation information, selecting multiple partial images from the immunofluorescence image along the boundary area, determining a confidence measure of a presence of the fluorescence pattern on the basis of the multiple partial images via a second neural network.

The invention relates to a method (10) for producing an electrochemical cell (12), in particular an electrolysis cell (14), comprising a cell substrate (16), a first electrode layer (26), a second electrode layer (32), an electrolyte layer (28) situated between the first electrode layer (26) and the second electrode layer (32), and a first barrier layer (22) situated between the cell substrate (16) and the first electrode layer (26), the first barrier layer (22) being deposited onto the cell substrate (16) by means of a physical vapor deposition (PVD) process, and the first barrier layer (22) having a cerium oxide which has a first doping with a rare earth element. According to the invention, the cerium oxide has a second doping with a transition metal from the fifth subgroup or sixth subgroup.

The invention relates to a method for stably incorporating nanobubbles and / or nanodrops of oxygen into hydrogels for biological and regenerative medicine applications, wherein gas micro / nanobubbles (MNBs) and / or micro / nanodrops (MNDs) are formed using compression and expansion cycles in a closed system, by means of cavitation by vacuum degassing before polymerising the hydrogel. The invention also relates to the hydrogel formed and the use thereof: as a biological substrate for tissue regeneration / generation; as a biological matrix as a cell substrate for cell invasion; to supply oxygen and, optionally, active components such as drugs, growth and / or migration factors, antibodies, peptides, vesicles, cellular derivatives and / or oligonucleotides, to tissues.

The invention relates to a photon-induced autocatalysis solar cell non-contact electrode deposition method and device. The method sequentially comprises the following steps that S1, a cell substrate is prepared; s2, preparing a P side electrode; s3, preparing an N-side electrode; and S4, preparing a conducting layer and an anti-oxidation layer. According to the invention, mask preparation and deplating processes are avoided, and the electrode preparation process is simplified.

The invention relates to a manufacturing method and device of a silicon-based perovskite laminated cell, and the method comprises the steps: carrying out the texturing processing and cleaning of a silicon substrate, and obtaining a processed silicon substrate; forming a passivation layer and a heterojunction layer on the surface of the treated silicon substrate to obtain a heterojunction silicon-based bottom battery; forming a perovskite top cell film system structure and a transparent electrode layer for the heterojunction silicon-based bottom cell to obtain a laminated cell substrate; carrying out annealing treatment on the transparent electrode layer of the laminated cell substrate by using excimer laser annealing equipment; and forming metal grid line electrodes on the front and back surfaces of the laminated cell substrate to obtain the silicon-based perovskite laminated cell. According to the method, the transparent electrode layer is annealed through the excimer laser annealing technology, the photoelectric property of the transparent electrode layer can be remarkably improved, the uniformity and stability of the perovskite layer are remarkably improved, and therefore the overall photoelectric conversion efficiency and reliability of the perovskite / crystalline silicon laminated solar cell are improved.

The invention relates to the technical field of conductive silver paste, in particular to perovskite silver paste and a preparation method and application thereof.The perovskite silver paste is prepared from, by mass, 2-5 parts of sericin nano-silver, 78-92 parts of spherical silver powder and 6-13 parts of organic carriers, and the organic carriers comprise resin, a solvent, a curing agent and auxiliaries. According to the perovskite silver paste provided by the invention, sericin nano-silver with the particle size D50 larger than or equal to 10 nm and smaller than or equal to 50 nm is added, hydrogen bonds or chemical bonds can be formed on the surface of a silicon wafer, the bonding strength of the silver paste and a cell substrate is improved, the grid line falling risk is reduced, and meanwhile the service life of an electrode is prolonged.