摘要:
A solar cell array (30), a solar cell module (100) and a manufacturing method thereof are disclosed. The solar cell array (30) includes a plurality of cells (31) and a plurality of conductive wires (32). Adjacent cells (31) are connected by the plurality of conductive wires (32). Each cell (31) has a front surface on which light is incident when the cell (31) is in operation and a back surface opposite to the front surface. The solar cell array (30) further comprises secondary grid lines (312) disposed on the front surface of the respective cell (31). The secondary grid lines (312) comprise middle secondary grid lines (3122) disposed in the middle of the respective cell (31) and intersected with the conductive wires (32). The secondary grid lines (312) also comprise edge secondary grid lines (3121) disposed on the edges of the respective cell (31) and non-intersected with the conductive wires (32). The solar cell array (30) also comprises short grid lines (33) disposed on a front surface of the cell (31). The short grid lines (33) connect the edge secondary grid lines (3121) with the conductive wires (32) or with at least one middle secondary grid line (3122).
摘要:
A solar cell unit, a solar cell array (30), a solar cell module (100) and a manufacturing method thereof are disclosed. The solar cell unit includes a cell (31) which consists of a cell substrate (311) and a secondary grid line (312) disposed on a front surface of the cell substrate (311); a conductive wire (32) intersected and welded with the secondary grid line (312), and the secondary grid line (312) having a width in a welding position with the conductive wire (32) greater than a width thereof in a non-welding position.
摘要:
A photovoltaic cell module includes: a transparent upper cover plate (11), a first polyolefin encapsulation layer (12), a cell group layer (13), a second polyolefin encapsulation layer (14), and a backplane (15) that are sequentially disposed in a laminated manner, where outer edges of the transparent upper cover plate (11) and the backplane exceed outer edges of the first polyolefin encapsulation layer (12), the cell group layer (13), and the second polyolefin encapsulation layer (14), an end part sealing block is further disposed between the transparent upper cover plate (11) and the backplane, and the end part sealing block is located at peripheries of the first polyolefin encapsulation layer (12), the cell group layer (13), and the second polyolefin encapsulation layer (14).
摘要:
Provided is a composite material having spinel structured lithium titanate, wherein the lithium titanate has a microcrystalline grain diameter of about 36-43nm and an average particle diameter of about 1-3μm. The composite material comprises a small amount of TiO 2 and Li 2 TiO 3 impurity phases. Also provided is a method for preparing the composite material, which comprises the steps: mixing titanium dioxide particles and soluble lithium sources with water to form a mixture, removing water and then sintering the mixture in an inert gas at a constant temperature, and cooling the sintered mixture, wherein the titanium dioxide particles have D 50 of not greater than 0.4μm and D 95 of less than 1μm. Further provided are a negative active substance comprising the composite material and a lithium ion secondary battery containing the negative active substance.
摘要:
A battery cathode comprising a current collector and a cathode material coated on and/or filled in the current collector, said cathode material comprising a cathode active substance, a conductive additive and an adhesive, wherein said cathode material is coated with a layer of lithium cobaltate on the surface thereof, and the content of lithium cobaltate is 0.1-15wt%(weight percent) based on the weight of the cathode active substance. The lithium ion battery using the cathode provided by the present invention has a higher specific capacity and improved cycling performance.
摘要:
The present disclosure provides a solar cell assembly, comprising a front plate, a front glue film layer, a cell piece array, a back glue film layer and a back plate which are sequentially stacked, wherein the front plate comprises glass, a side, deviating from the cell piece array, of the glass is provided with one or more light scattering units, and each light scattering unit is of a sunken structure formed when the side, deviating from the cell piece array, of the glass is sunken inwards towards a side, adjacent to the cell piece array, of the glass. The present disclosure provides that the light scattering unit is not needed to correspond to a non gate line portion of a cell piece, a requirement for type correspondence of the glass and the cell piece is not high, it is guaranteed that a whole silicon wafer can utilize incident light rays very well, a light receiving area of the glass is increased, assembly power is improved, and assembly installing cost is lowered.
摘要:
A solar cell module (100) includes a transparent layer (31); a plurality of cells (2) disposed on an upper surface of the transparent layer (31) and spaced apart from each other; a reflective layer (32) disposed on the upper surface of the transparent layer (31) and surrounding at least a portion of a peripheral of at least one cell (2); and a cover plate (1) disposed above the plurality of cells (2) and the reflective layer (32). At least a part, opposed to the reflective layer (32), of a lower surface of the cover plate (1) has a serrate shape.
摘要:
A battery cathode comprising a current collector and a cathode material coated on and/or filled in the current collector, said cathode material comprising a cathode active substance, a conductive additive and an adhesive, wherein said cathode material is coated with a layer of lithium cobaltate on the surface thereof, and the content of lithium cobaltate is 0.1-15wt%(weight percent) based on the weight of the cathode active substance. The lithium ion battery using the cathode provided by the present invention has a higher specific capacity and improved cycling performance.
摘要:
Described is a composite lithium compound having a mixed crystalline structure. Such compound was formed by heating a lithium compound and a metal compound together. The resulting mixed metal crystal exhibits superior electrical property and is a better cathode material for lithium secondary batteries.