Low magnification concentrated photovoltaic cells
A concentrating photovoltaic and battery technology, applied in photovoltaic power generation, circuits, electrical components, etc., can solve the problems of large occupied area of reflective structure, difficult to use, and increase in volume of photovoltaic cells, so as to reduce transmission obstacles, reduce production costs, and reduce The effect of technical risk
Active Publication Date: 2018-03-30
HUANENG CLEAN ENERGY RES INST
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Problems solved by technology
The above-mentioned photovoltaic system uses reflection to concentrate light. Because the reflective structure occupies a large area, it is difficult to use in mature flat-panel photovoltaic power plants.
[0006] At present, standard-sized silicon wafers are used for ordinary flat-panel photovoltaic cells and low-power concentrator floating photovoltaic cells, such as 125-type (125cm*125cm) double-busbar silicon wafers and 156-type (156cm*156cm) triple-busbar silicon wafers. For silicon wafers, when the utilization efficiency of silicon wafers is improved, the volume of photovoltaic cells will increase significantly, and the two cannot be balanced
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[0046] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways defined and covered by the claims.
[0047] figure 1 It is a schematic diagram of the working principle of the low power concentrating photovoltaic cell according to the present invention, figure 2 It is a schematic diagram of the assembled low-power concentrating photovoltaic cell according to the present invention, image 3 It is a schematic diagram of the structure decomposition of the low power concentration photovoltaic cell according to the present invention. Such as Figure 1 to Figure 3 As shown, the low-power concentrating photovoltaic cell includes a concentrating plate 10, a back plate 30, and a plurality of battery cells 20 between the concentrating plate and the back plate, and the concentrating plate 10 includes a plurality of concentrating cylinders 11 arranged side b...
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The invention discloses a low-power concentrating photovoltaic cell, comprising a glass plate, a back plate, and a plurality of battery units located between the glass plate and the back plate. The glass plate includes at least one concentrating area, and the condensing areas include parallel arrangement a plurality of concentrating cylinders, wherein the battery unit includes a plurality of battery bars arranged in a one-to-one correspondence with the plurality of concentrating cylinders and electrode electrodes electrically connected to the plurality of battery bars, wherein the width of the battery bars corresponds to the concentrating cylinders the light-gathering width. According to the photovoltaic cell of the present invention, the usage of battery chips is reduced, and the production cost of the photovoltaic cell is reduced.
Description
technical field [0001] The invention relates to a low power concentrating photovoltaic cell. Background technique [0002] Power generation is a natural energy utilization method closely related to modern technology. Among various forms of power generation, the cost of power generation per unit of electricity is one of the most competitive indicators for various forms of power generation. [0003] With the innovation of photovoltaic technology and the maturity of the photovoltaic industry, the cost of power generation per unit of electricity is approaching an acceptable level year by year. Many developed countries or regions such as Japan and Western Europe have promoted the use of solar photovoltaic power generation. [0004] The unit power generation cost of photovoltaic cells mainly depends on the production cost of photovoltaic cells. A mature photovoltaic cell is composed of a glass plate, a back plate and a plurality of battery cells (chips) arranged in a matrix betwee...
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IPC IPC(8): H01L31/054
CPCY02E10/52
Inventor 刘大为高虎彭文博赵志国李启明朱连峻
Owner HUANENG CLEAN ENERGY RES INST