Laser photovoltaic cell and production method thereof

A technology of laser photovoltaic cells and photovoltaic cells, applied in photovoltaic power generation, circuits, electrical components, etc., can solve the problems of PN junction leakage, conversion efficiency reduction, photovoltaic cell fill factor reduction, etc., to solve substrate leakage and improve performance Effect
CN103117286AActive Publication Date: 2013-05-22SUZHOU INST OF NANO TECH & NANO BIONICS CHINESE ACEDEMY OF SCI
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
SUZHOU INST OF NANO TECH & NANO BIONICS CHINESE ACEDEMY OF SCI
Publication Date
2013-05-22

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Abstract

The invention discloses a laser photovoltaic cell which comprises an isolation groove. The isolation groove divides the photovoltaic cell into a plurality of cell units which are in series connection, and a polyimide layer, a dielectric film layer and a metal shading layer are sequentially formed on the surface of the inner wall of the isolation groove. The invention further discloses a production method of the laser photovoltaic cell. By the laser photovoltaic cell and the production method thereof, the problem of electric leakage due to the fact that a semi-insulating substrate exposes to light is effectively solved. Besides, the produced photovoltaic cell has the advantages of high parallel resistance, small electric leakage and high conversion efficiency.
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Description

Technical field

[0001] The invention relates to a laser photovoltaic cell, in particular to a GaAs laser photovoltaic cell based on a novel isolation filling process and a manufacturing method thereof. Background technique

[0002] The laser energy supply system is an innovative energy delivery system. With this system, the light emitted by the laser light source is transported to the laser photovoltaic cell through an optical fiber, which can provide a stable power output. Transforming light into electricity through optical fiber has more advantages than traditional metal wire and coaxial cable power transmission technology. It can be used in situations where electromagnetic interference needs to be eliminated or electronic devices need to be isolated from the surrounding environment. Sensors, national defense, aviation, medicine, energy and other directions have important applications. The working principle of laser photovoltaic cells is similar to that of solar cells, except ...

Claims

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