GB/T 42633-2023 English PDF

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GB/T 42633-2023: General specification of solar cells for aerospace
Status: Valid

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Basic data

Standard ID: GB/T 42633-2023 (GB/T42633-2023)
Description (Translated English): General specification of solar cells for aerospace
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: K83
Classification of International Standard: 27.160
Word Count Estimation: 26,259
Date of Issue: 2023-05-23
Date of Implementation: 2023-09-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 42633-2023: General specification of solar cells for aerospace

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 27:160 CCSK83 National Standards of People's Republic of China General specification for space solar cells Released on 2023-05-23 2023-09-01 implementation State Administration for Market Regulation Released by the National Standardization Management Committee

table of contents

Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Requirements 2 4:1 General 2 4:2 Material 2 4:3 Structural Design 3 4:4 Size 3 4:5 Quality 3 4:6 Appearance and mechanical defects 4 4:7 Defects of anti-reflection coatings 5 4:8 Defects of electrodes 5 4:9 Firmness of anti-reflection film 5 4:10 Electrode firmness 5 4:11 Electrical properties 5 4:12 Reverse characteristics 5 4:13 Electrode Solderability and Joint Tensile Strength 6 4:14 Temperature Shock 6 4:15 Steady-state damp heat6 4:16 Charged Particle Irradiation 7 4:17 Temperature Coefficient 7 4:18 Package Gains 7 4:19 Solar Absorption Rate and Hemispherical Radiation Rate 7 4:20 Bending radius 7 4:21 Product marking 7 5 Test method 8 5:1 Base material 8 5:2 Structural Design 8 5:3 Size 8 5:4 Quality 8 5:5 Appearance and mechanical defects 8 5:6 Defects of anti-reflection coatings 8 5:7 Electrode defects 8 5:8 Fastness of anti-reflection film 8 5:9 Electrode firmness 9 5:10 Electrical properties 9 5:11 Reverse characteristics 10 5:12 Solderability of electrodes and tensile strength of solder joints 10 5:13 Temperature shock 11 5:14 Steady-state damp heat 11 5:15 Charged Particle Irradiation 11 5:16 Temperature coefficient 12 5:17 Package Gain 12 5:18 Solar Absorption Rate and Hemispherical Radiation Rate 13 5:19 Bending radius 13 5:20 Product marking 14 6 Inspection rules 14 6:1 Inspection classification 14 6:2 Identification test 15 6:3 Production process inspection (IP inspection) 17 6:4 Quality Consistency Inspection 18 7 Packaging, transportation and storage 20 7:1 Packaging 20 7:2 Transport 21 7:3 Storage 21 Fig:1 Schematic diagram of solar cell structure 3 Fig: 2 Schematic diagram of mechanical defects on the surface of solar cells 4 Figure 3 Schematic diagram of tensile test piece 11 Figure 4 Schematic diagram of bending tester 14 Table 1 The maximum allowable size of mechanical defects on the surface of solar cells4 Table 2 Radiation Resistance Level 7 Table 3 Poisson sampling scheme for batches larger than:200 pieces (90% confidence level) 15 Table 4 Identification test 16 Table 5 IP-2 group inspection content and test sequence (first group) 17 Table 6 IP-2 group inspection content and test sequence (second group) 18 Table 7 IP-3 group inspection content and test sequence 18 Table 8 Group A, Group B and Group C Inspection Items and Test Sequence Table 19

foreword

This document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules for Standardization Documents" drafting: Please note that some contents of this document may refer to patents: The issuing agency of this document assumes no responsibility for identifying patents: This document is proposed and managed by the National Aerospace Technology and Its Application Standardization Technical Committee (SAC/TC425): This document is drafted by: Shanghai Institute of Space Power Sources: The main drafters of this document: Jiang Depeng, He Xinyu, Shen Bin, Xiao Yao, Chen Guoling, Li Shuran, Wang Xunchun, Qu Yi, Yang Fan, Lu Jianfeng, Tan Xueyan: General specification for space solar cells

1 Scope

This document specifies the requirements, test methods, inspection rules, packaging, transportation and storage of solar cells used in space: This document applies to unpackaged monocrystalline silicon solar cells, rigid substrate gallium arsenide solar cells and flexible substrate gallium arsenide solar cells for space Battery:

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document: GB/T 2296 Solar cell model nomenclature GB/T 2297 Solar Photovoltaic Energy System Terminology GB/T 6494 Test method for electrical performance of aerospace solar cells GB/T 6496 Calibration method of solar cells for aerospace

3 Terms and Definitions

The following terms and definitions defined in GB/T 2297 apply to this document: 3:1 chip chip Partial loss of cell body material along the edges or corners of the solar cell, but not through the full thickness of the cell: 3:2 nick nicks The solar cell is partially missing along the edge or corner of the cell body material, which has penetrated the entire thickness of the cell: 3:3 blank voids Any blank spot with a diameter greater than 0:13mm and no coating material (such as electrode metal layer or anti-reflection film): 3:4 electrode metal contact The surface of the solar cell forms an ohmic contact and acts as a conductor that collects photogenerated carriers and draws out current: Note: The electrodes of solar cells are divided into positive and negative electrodes: The light-receiving surface electrode is usually called the upper electrode, and the non-light-receiving surface electrode is called the lower electrode: 3:5 Package cover The upper surface of the single solar cell is covered with a light-transmitting material for protection: Note: Monocrystalline silicon solar cells and gallium arsenide solar cells on rigid substrates are generally packaged with glass cover sheets: Flexible substrate Gallium arsenide solar cells generally use flexible Encapsulate with light-transmitting material or glass cover: ......

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