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Micro-lens light-absorbing and micro-spherical silicon light-condensing combined solar cell

A silicon solar cell and solar cell technology, applied in the field of solar cells, can solve the problems of solar cell power generation capacity limitation, inability to charge, power generation effect is not as good as monocrystalline silicon, etc., to improve photoelectric conversion efficiency, improve power generation effect, and good power generation effect Effect

Active Publication Date: 2015-08-19
SOUTH CHINA UNIV OF TECH
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Problems solved by technology

[0002] At present, it is believed that solar cells absorb direct light when generating electricity, but the actual situation is that when sunlight reaches the earth, it is not pure direct light, but contains a large amount of scattered light, and existing solar cells cannot make full use of this part. Scattered light affects the power generation effect of solar cells. Monocrystalline silicon solar panels cannot be charged under low light conditions, while only amorphous silicon solar panels can generate power under low light conditions, but their power generation effect is far inferior to that under strong light Monocrystalline silicon
In addition, the existing solar cell components generate power under fixed conditions, while the position of the sun changes during the day, which limits the power generation capacity of solar cells

Method used

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Embodiment Construction

[0025] In order to better understand the present invention, the present invention will be further described below in conjunction with the accompanying drawings and examples, but the protection scope of the present invention is not limited to the range indicated by the examples.

[0026] Such as figure 1 It is a schematic diagram of the overall structure of the present invention, including a hollow base 2 inside, N 1 A microlens structure thin film solar cell 1 is equally divided into two groups and placed vertically on the side of the base 2, the said N 1 ≥2 and is an even number, N 2 A concentrating microsphere silicon solar cell 3 is placed on a support 4, the N 2 ≥1. figure 2 It is the schematic diagram of the self-adaptive tracking sun rotation of the embodiment of the present invention. When the sun appears at a certain position, compare the voltages at both ends of the two sets of microlens structure thin-film solar cells, and trigger the stepper motor 5 to rotat...

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Abstract

The invention discloses a micro-lens light-absorbing and micro-spherical silicon light-condensing combined solar cell. The solar cell mainly comprises a hollow base, a support body fixed at the upper end of the base, a digital control system, and a storage battery, micro-lens structure film solar cells are divided into two groups and are vertically arranged on side surfaces of the base, the support body comprises a support fixed on the base and a movable plate rotatably arranged at the top end of the support via a rotating shaft, light-condensing micro-spherical solar cells are arranged on the movable plate, the support is provided with a stepping motor for driving the rotating shaft via a transmission mechanism, power is supplied to the digital control system via the storage battery, and the digital control system is respectively connected with the micro-lens structure film solar cells and the stepping motor in a circuit manner. According to the solar cell, weak lights and scattered lights are absorbed by the film cells, the light-condensing micro-spherical silicon solar cells are always in the strongest light direction, integrated generation of strong lights and weak lights is realized, and the generating efficiency of the solar cell is improved.

Description

technical field [0001] The invention relates to the field of solar power generation and digital control, in particular to a solar cell combined with microlens light absorption and microsphere silicon light concentration. Background technique [0002] At present, it is believed that solar cells absorb direct light when generating electricity, but the actual situation is that when sunlight reaches the earth, it is not pure direct light, but contains a large amount of scattered light, and existing solar cells cannot make full use of this part. Scattered light affects the power generation effect of solar cells. Monocrystalline silicon solar panels cannot be charged under low light conditions, while only amorphous silicon solar panels can generate power under low light conditions, but their power generation effect is far inferior to that under strong light monocrystalline silicon. In addition, the existing solar cell components generate power under fixed conditions, but the posi...

Claims

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Application Information

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IPC IPC(8): H02S40/22H02S20/32
CPCY02E10/52H02S40/00H02S20/00
Inventor 谢晋程剑江宇宁
Owner SOUTH CHINA UNIV OF TECH
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