71 results about "Solar cell" patented technology

A solar cell includes a doped layer disposed on a first surface of a semiconductor substrate, a doped polysilicon layer disposed in a first region of a second surface of the semiconductor substrate, a doped area disposed in a second region of the second surface, and an insulating layer covering the doped polysilicon layer and the doped area. The insulating layer has openings exposing portions of the doped polysilicon layer and the doped layer, and the doped polysilicon layer and doped layer are respectively connected to a first electrode and a second electrode through the openings. The semiconductor substrate and the doped layer have a first doping type. One of the doped polysilicon layer and the doping area has a second doping type, and the other one of the doped polysilicon layer and the doping area has the first doping type which is opposite to the second doping type.

The invention discloses low-temperature conductive silver paste and a preparation method and application thereof. Silver nano wires and silver powder in conventional conductive silver paste are mixed to form novel low temperature conductive silver paste. The content of silver powder in conventional conductive silver paste is greatly reduced, and a few silver nano wires play good conductive effect. Conventional conductive silver paste requires circular silver particles which contact point-to-point to realize conduction, the silver nano wires can serially connect original silver particles, and the silver nano wires form a conductive network in a network shape. Conductive films, conductive switches, flexible print circuit boards, electromagnetic shields, potentiometers, wireless radio frequency identification systems and solar cells formed by the low-temperature conductive silver paste have better bending resistance performance.

The invention provides a two-dimensional double perovskite material. The composition formula of the two-dimensional double perovskite material is AnMIIIMIX8, wherein A is organic amine; MIII is a trivalent metal element; MI is a monovalent metal element; and X is halogen. The two-dimensional double perovskite material has certain advantages of methylamine lead-iodine perovskite and lead-free double perovskite. The material is lead-free and environmentally friendly, has very good light stability and good chemical stability, and is unlikely to deteriorate in air. The material has a suitable andadjustable light absorption band gap, and more importantly can be used for preparing a film at a low temperature by a solution method. The advantages provide basis for the application of the materialin the photovoltaic fields such as solar cells, optical detectors and light-emitting diodes.

Methods are used to develop and evaluate new materials and deposition processes for use as TCO materials in HJCS solar cells. The TCO layers allow improved control over the uniformity of the TCO conductivity and interface properties, and reduce the sensitivity to the texture of the wafer. In Some embodiments, the TCO materials include indium, zinc, tin, and aluminum.

A kind of illuminate device light controls multiple functions natural lamp with the natural wind energy and the solar energy generating electricity. It is at the outside of hollow hexangular base circular holder pipe makes the four-groove vertical revolving tray, inner gear mission, pillow, 100W DC generator, hexangular surface shape big lamp screen, solar energy battery plate, steady flow voltage regulator, charging bomb, light controller, and the energy-saving bulb connected in sequence assemble. The charging bomb inlet wire positive and negative electrode connect with the output positive and negative electrode line of the 100W DC generator and the solar energy battery plate and the charging bomb's output positive and negative electrode line connects with the energy-saving lamp supplying electricity among of them connecting the light controller in series. When there is the wind and the solar the 100W DC generator and the solar energy battery plate supply the electricity for the charging bomb at the same time; when there is no wind and solar the charging bomb supplies the electricity for the energy-saving lamp supplying electricity circuit. Among them it connects the light controller in series and the ray of light is strong so the light controller cuts the energy-saving lamp supplying electricity circuit automatically; at night there is no light so the light controller will turn on the energy-saving lamp supplying electricity circuit automatically.

The invention discloses a silicon wafer sorter, which belongs to the technical field of solar cells. The silicon wafer sorter includes a conveying part, a feeding part and a detecting part. The feeding part is used to supply a silicon wafer to the conveying part. The conveying part is used to convey the silicon wafer to the detecting stations of the detecting part for detection. The detecting partis used to carry out at least two types of detection among dirt detection, thickness detection, hidden crack detection, overall dimension detection, P/N-type detection and side defect detection on the silicon wafer. The problem of low production efficiency caused by the fact that the silicon wafer sorter can only complete a single detection in related technologies is solved, and the production efficiency of solar silicon wafers is improved.

According to embodiments of the invention, a glass paste composition for a dye sensitized solar cell includes a glass frit, an organic binder, and an organic solvent.

Provided is a solar cell module having improved energy efficiency. The solar cell module includes a frame, first solar cells arranged at the frame, and second solar cells smaller than the first solar cells. The second solar cells are disposed in regions surrounded by the first solar cells. The first solar cells have a substantially circular shape. The second solar cells have a rectangular shape, and each of the second solar cells is surrounded by four of the first solar cells.

The present invention relates to a conductive paste and a solar cell. The conductive paste contains a conductive powder, including at least a silver powder, a glass frit composed mainly of Te, Bi and Zn, and an organic vehicle. The total molar quantity of the three components of Te, Bi and Zn contained in the glass frit is, in terms of oxide, set at 95 mol% or more. Light-receiving surface electrodes (3) are formed by using the above-conductive paste. Thereby, a conductive paste suitable for forming solar cell electrodes is achieved, the conductive paste being capable of reducing both of the contact resistance between the electrodes and the semiconductor substrate, and the line resistance of the electrodes, while being lead free. Furthermore, a solar cell having high energy conversion efficiency and excellent battery characteristics is achieved as a result of using the conductive paste.

The present invention provides a multilayer material which has a layer (A) that contains a silane coupling agent and an ethylene type zinc ionomer, and a layer (B) that contains at least one of an ethylene type magnesium ionomer or an ethylene type sodium ionomer. The multilayer material is suitable for use as an encapsulant for a solar cell or an interlayer for safety (laminated) glass. It is preferable that the multilayer material contains at least two of the layer (A) and at least one of the layer (B) and has a multilayered structure in which the layer (B) is interposed between the two of the layer (A).

The invention aims to provide a vehicle-mounted solar charging pile which is a combination of novel solar photovoltaic power generation and a charging pile, and solves the problems that an existing electric vehicle charging pile can only utilize alternating current and direct current power grids at fixed places to carry out charging and fails to fundamentally solve the problems of energy regeneration and environment pollution; in addition, the vehicle-mounted solar charging pile can provide emergency energy to an electric vehicle or other electric vehicles in a no-service-area region. According to the invention, the electric power of a solar cell is supplied to a storage battery by means of an intelligent controller, a direct current is utilized or the direct current is inverted into an alternating current to cooperate with the charging pile so as to charge the electric vehicle. A system cooperatively control maximum power tracking of the solar cell and intelligent charging of the storage battery, so that the photovoltaic charging pile is enabled to stably charge the electric vehicle, and the optimal utilization of solar energy is also realized.

The invention discloses a transparent conducting electrode film solar cell, comprising a transparent substrate. One side of the transparent substrate is provided with a first transparent conducting electrode, a photoelectric conversion unit is arranged above the first transparent conducting electrode, and a second transparent conducting electrode is arranged above the optical to electrical unit. The transparent substrate and the conducting electrode which are adopted by the invention greatly improve the use ratio and the conversion efficiency of solar energy by the solar cell. The film optical to electrical unit of the transparent substrate is shared, and the front electrode and the rear electrode of each optical to electrical unit are both transparent electrodes with wide band gap. The illuminated face of the solar cell in the invention is multiplied; meanwhile, the mutual action of the upper optical to electrical unit and the lower optical to electrical unit improves the conversion efficiency to a great degree. The change of the structure can ensure that the horizontal installation electric energy production of the solar cell can be improved by 10%, and vertical installation electric energy production can be improved by 34%.

The invention discloses a solar road pile with a warning function. The solar road pile comprises a fixed base, a pile body, a stop direction indicator, a warning reflective strip and a storage battery fixing box. The pile body is installed above the fixed base. The warning reflective strip is arranged below the stop direction indicator. A pile cover is installed above the warning reflective strip. An anti-collision interlayer is installed in the pile body, and a photoelectric distance sensor is installed on the left side of the anti-collision interlayer. A power switch is installed on the surface of the fixed base, and a work indicating lamp is installed below the power switch. The storage battery fixing box is installed in the fixed base and connected with a solar cell panel through a power line. A fixing screw is installed below the storage battery fixing box. According to the solar road pile with the warning function, the solar cell panel and a storage battery are installed, and thus long endurance time can be provided for the road pile; and an emergency flash lamp and a warning horn are installed, and hence objects or vehicles close to the road pile can be reminded or warned.

The invention discloses a solar cell panel mounting bracket. The bracket comprises a mounting base, a first worm mounting plate, a first worm, a first worm gear, a connecting column, a motor, a microcomputer time control switch, a barrel, a second worm mounting plate, a threaded barrel, a column, a first U-shaped connecting piece, a second U-shaped connecting piece, a Z-shaped clamping piece, a threaded column, a frame, a second worm gear, a frame connecting piece, a square connecting rod, a mounting plate, a U-shaped plate, a roller, a second worm, a rocking handle, a reinforcing rib and an L-shaped clamping piece. According to the invention, the bracket is provided with an included angle adjusting mechanism, so a user can rotate the rocking handle at the end of the second worm by himself/herself to adjust the included angle of a device in different seasons, the operation is convenient and simple and there is no need of professionals, thereby greatly facilitating the adjustment of theincluded angle of the device. The bracket can conveniently move along in the irradiation direction of the sun through an azimuth angle adjusting mechanism, thereby facilitating the improvement of theoptimal illumination time of the solar cell panel.

The invention discloses an intelligent environmental sanitation dustbin. The intelligent environmental sanitation dustbin comprises a first box body, a second box body and a cover plate, wherein the first box body and the second box body are symmetric. A rectangular groove is formed in each box body, and cigarette end filter strips are arranged in each rectangular groove. A garbage put-in openingis formed in each box body. An inner door is arranged at each garbage put-in opening. An electric air cylinder is arranged between each inner door and the corresponding box body. A solar cell panel and an illuminating lamp are arranged on the cover plate. Each electric air cylinder is connected with the solar cell panel through an infrared induction switch. According to the intelligent environmental sanitation dustbin, the inner doors can be automatically opened so that garbage can be thrown conveniently, meanwhile, corrosion resistance is high, and the service life is long.

The invention relates to the non-plane chip and telluride solar cell in photoelectric technology field. Wherein, it treats the cell substrate into the required non-plane structure, and applies film material contained at least one telluride to prepare the final product. This cell can absorbe and transfer sunlight from different directions furtherest. This invention is low cost fit to spread.

The invention relates to a street lamp using a fuel cell as a power supply. The street lamp is characterized in that a solar battery pack and the fuel cell are used as street lamp power supplies. As shown in the figure, the street lamp is composed of a fuel cell, a solar cell panel, a storage battery, a power supply adaptation and control device, a light source and a system control device. Duringoperation, the electric quantity of the storage battery is maintained by the solar cell and drives the light source. When the electric quantity of the storage battery is insufficient, the fuel cell works to charge the storage battery, and the light source can be directly driven to operate. Through the dynamic control of the work of the fuel cell, the purposes of prolonging the fuel replacement period and improving the fuel utilization rate are achieved. Traditional street lamps are high in maintenance cost and high in failure rate. Weather condition limitation of a pure solar street lamp is achieved, the defects of the solar street lamp are effectively overcome through fuel cell power supply; meanwhile, a fuel cell only generates water and heat, and the damage influence on the environmentis almost zero. By applying the invention, the daily maintenance cost is saved, and energy-saving and environment-friendly social effects can be achieved.

The invention discloses an intelligent light-following solar cell panel, which comprises a base, wherein the upper surface of the base is movably connected with a support seat through a first rotatingshaft; the side surface of the support seat is fixedly connected with a toothed rail; a motor is fixedly arranged on the upper surface of the base; an output shaft of the motor is fixedly connected with a gear; the gear is meshed with the toothed rail; the upper surface of the support seat is fixedly connected with a first U-shaped seat; and a second rotating shaft is inserted into an inner wallof the first U-shaped seat. Through the arrangement of the base, the first rotating shaft, the support seat, the toothed rail, the motor and the gear, the gear is driven to rotate through operation ofthe motor; due to the meshing effect of the toothed rail and the gear, the gear drives the support seat to rotate while rotating; and the motor can be controlled to drive the support seat to rotate through setting the operating frequency of the motor, so that the solar cell panel can follow the movement that the sun rises in the east and sets in the west to change the direction, and the solar energy collection efficiency is improved.

A monopole broadband antenna based on a solar cell grid line structure comprises an epitaxial layer used for providing an installation substrate surface; an external exciter which is used for providing energy excitation for the monopole broadband antenna; and a grid line structure which is used for receiving the energy excitation of the external exciter and radiating energy outwards, is attached to the mounting substrate surface and is connected with the external exciter. According to the monopole broadband antenna based on the grid line structure of a solar cell, the grid line structure of the solar cell is creatively adopted for radiation, the single solar cell can work, the structure of the solar cell is fully utilized, and the solar cell and the broadband antenna are integrated, so that the solar cell antenna is simple in structure and wider in frequency band, the 3.4 GHz-6.3 GHz frequency bands are covered, the system complexity is reduced, and the monopole broadband antenna has practical application and popularization value.

A solar-powered lighting/illumination fixture for hanging flower planters or potted flowers comprises a body that can be affixed through a central opening or the like to the hanging hardware of the planter. The lighting fixture has solar cells that charge internal batteries during daylight hours and drive lights that illuminate the planter during nighttime hours. The fixture can also be affixed with a spoke that will allow it to be supported in the ground to provide pathway lighting. The lighting is provided through LEDs which also may accommodate light filters that can provide different colors to change the mood of the setting, as well as being provided with an adapter to fit most hanging planters in the market and also provided with an attaching mechanism that allows the height of the lighting fixture above the planter to be adjusted.