Solar cell with high-sensitivity humidity detector

A humidity detection device and a technology for solar cells, applied in the field of solar cells, can solve problems such as property loss, corrosion, and lack of humidity-sensitive detection function, and achieve the effects of promoting adsorption, simple production process, and increasing humidity-sensitive performance.

Inactive Publication Date: 2016-06-15
黎海纤
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Since solar cells are generally composed of silicon wafers, the interior contains microstructures, and the exterior generally includes working circuits, etc. Water vapor in the working environment will cause corrosion and other effects on the semiconductor components and electrical devices, and serious cases will cause property losses
However, existing solar cells generally do not have a moisture-sensitive detection function

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] A solar cell with a high-sensitivity humidity detection device. A humidity sensor module is installed on the outside of the solar cell. The humidity sensor module includes heavily doped silicon wafers that are arranged sequentially from bottom to top, and are close to the heavily doped silicon wafers. SiO 2 layer, carbon nanotube layer, on SiO 2 The lower electrode between the layers and the upper electrode on the carbon nanotube layer grown on SiO 2 layer; there is a metal film on the lower electrode, and the metal film is an adhesive Cr layer, a conductive and thermally conductive Cu layer, and an Au layer as an electrode layer from the inside to the outside, and the Cr layer, Cu layer and The thickness of the Au layer is 70nm, 250nm and 500nm in sequence; the carbon nanotube layer adopts catalyst and / or photolithography to achieve its localized growth, and the grown carbon nanotube layer adopts plasma to make it produce hydroxyl modification, The carbon nanotube la...

Embodiment 2

[0058] A solar cell with a highly sensitive humidity detection device, the solar cell is equipped with a humidity sensor module on the outside, the humidity sensor module includes heavily doped silicon wafers arranged in sequence from bottom to top, close to the heavily doped SiO 2 layer, carbon nanotube layer, on SiO 2 The lower electrode between the layers and the upper electrode on the carbon nanotube layer grown on SiO 2 layer; there is a metal film on the lower electrode, and the metal film is an adhesive Cr layer, a conductive and thermally conductive Cu layer, and an Au layer as an electrode layer from the inside to the outside, and the Cr layer, Cu layer and The thickness of the Au layer is 25nm, 125nm and 500nm in sequence; the carbon nanotube layer adopts catalyst and / or photolithography to achieve its localized growth, and the grown carbon nanotube layer adopts plasma to make it produce hydroxyl modification, The carbon nanotube layer has been treated with a mixed...

Embodiment 3

[0077] A solar cell with a high-sensitivity humidity detection device. A humidity sensor module is installed on the outside of the solar cell. The humidity sensor module includes heavily doped silicon wafers that are arranged sequentially from bottom to top, and are close to the heavily doped silicon wafers. SiO 2 layer, carbon nanotube layer, on SiO 2 The lower electrode between the layers and the upper electrode on the carbon nanotube layer grown on SiO 2 layer; there is a metal film on the lower electrode, and the metal film is an adhesive Cr layer, a conductive and thermally conductive Cu layer, and an Au layer as an electrode layer from the inside to the outside, and the Cr layer, Cu layer and The thickness of the Au layer is 35nm, 160nm and 400nm in sequence; the carbon nanotube layer adopts catalyst and / or photolithography to achieve its localized growth, and the grown carbon nanotube layer adopts plasma to make it produce hydroxyl modification, The carbon nanotube la...

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Abstract

The invention discloses a solar battery with a highly sensitive humidity detection device. By installing a humidity sensor module on the outside of the solar battery, the solar battery can detect the change of the humidity in the surrounding environment during use, and has an effect on it. It has a good protective effect; the humidity sensor module is creatively designed from the aspects of sensor sensitive material, manufacturing conditions, structure, etc., so that its sensitivity is greatly improved, the test repeatability is good, and unexpected technical effects are produced. Great market application prospects.

Description

technical field [0001] The invention belongs to the field of solar cells, and more specifically relates to a solar cell with a highly sensitive humidity detection device. Background technique [0002] Solar cells, also known as "solar chips" or "photovoltaic cells", are photoelectric semiconductor sheets that use sunlight to generate electricity directly. As long as it is illuminated by light, it can output voltage instantly and generate current when there is a loop. It is called solar photovoltaic in physics. A solar cell is a device that directly converts light energy into electrical energy through the photoelectric effect or photochemical effect. Solar cells are mainly based on semiconductor materials. [0003] Since solar cells are generally composed of silicon wafers, the interior contains microstructures, and the exterior generally includes working circuits, etc. Water vapor in the working environment will corrode the semiconductor components and electrical devices,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/22
CPCG01N27/223
Inventor 黎海纤
Owner 黎海纤
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