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Solar cell circuit interconnection sheet resistant to atomic oxygen

A technology of solar cells and atomic oxygen resistance, applied in circuits, photovoltaic power generation, electrical components, etc., can solve problems such as poor resistance to atomic oxygen, achieve good solderability, prolong on-orbit operating life, and good thermal matching effects

Active Publication Date: 2014-06-18
SHANGHAI INST OF SPACE POWER SOURCES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The problem to be solved by the present invention is to provide a solar cell circuit interconnection sheet resistant to atomic oxygen to solve the problem of poor atomic oxygen resistance of the existing solar cell circuit interconnection sheet

Method used

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  • Solar cell circuit interconnection sheet resistant to atomic oxygen
  • Solar cell circuit interconnection sheet resistant to atomic oxygen
  • Solar cell circuit interconnection sheet resistant to atomic oxygen

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Embodiment Construction

[0020] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0021] Such as figure 1 As shown, the present invention provides a solar cell circuit interconnection sheet resistant to atomic oxygen, comprising: a substrate 0100, which is a molybdenum foil; a transition layer positioned on the surface of the molybdenum foil, and the transition layer is The double-layer structure includes a chromium layer 0101 on the surface of the substrate, a nickel layer 0102 on the surface of the chromium layer 0101 , and a silver layer 0103 on the surface of the transition layer.

[0022] The base material is made of molybdenum foil, and the material can be molybdenum 100, with a purity of more than 99.5%, and is made by calendering. After the foil is fabricated, use N 2 In order to protect the gas, the pressure in the furnace is maintained at 0-100 Pa, the heating temperature is 700°C, and the high-temperature annealing tre...

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Abstract

Provided is a solar cell circuit interconnection sheet resistant to atomic oxygen. The solar cell circuit interconnection sheet comprises a substrate, a transition layer and a silver layer, wherein the substrate is a molybdenum foil, the transition layer is arranged on the surface of the molybdenum foil and is a double-layer structure including a chromium layer arranged on the surface of the substrate and a nickel layer arranged on the surface of the chromium layer, and the silver layer is arranged on the surface of the transition layer. Experiments have proved that the solar cell circuit interconnection sheet resistant to atomic oxygen, provided by the invention, is highly resistant to atomic oxygen and can prolong the space environment lifetime of a solar cell array, expand the application fields of the solar cell array and expand the range of applications of photovoltaic power generation. The solar cell circuit interconnection sheet is particularly suitable for long-life space aircrafts, especially aircrafts like an international space station characterized by low orbit, long life and high power. Compared with a silver interconnection sheet, the novel interconnection sheet has a wider application space and a longer service life.

Description

technical field [0001] The invention belongs to the field of electroplating and solar cell circuit welding research, and relates to a surface electroplating treatment and welding process of an atomic oxygen-resistant metal molybdenum material, and specifically relates to the forming of metal materials, metal surface electroplating treatment, and welding with solar cells, etc. content. Background technique [0002] A solar cell is a semiconductor device that uses the photovoltaic effect to directly convert light energy into electrical energy. Traditional crystalline silicon solar cells and gallium arsenide solar cells are connected with metal silver interconnects to form a battery circuit, and soldering or resistance welding can be used to achieve conduction between the interconnects and solar cells or other circuits. Due to the very poor resistance to atomic oxygen of the traditional metal silver interconnection sheet, the on-orbit operation life of the solar cell array is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L31/05
CPCY02E10/50H01L31/0512
Inventor 王志彬贺虎陈萌炯邢路朱亚雄黄三玻陆剑峰王训春王建立
Owner SHANGHAI INST OF SPACE POWER SOURCES
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