T/JSAS 015-2021 Active Group standards

T/JSAS 015-2021 Monocrystalline silicon solar cell panel

Publish Date: 2021-09-25 Implement Date: 2021-09-25 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/JSAS 015-2021

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Element semiconductor materials

ICS Name: Semiconductor materials

Publish Date: 2021-09-25

Implement Date: 2021-09-25

Scope

Scope: This document specifies the grade classification, category and model naming, requirements, test methods, inspection rules, marking, packaging, transportation, and storage of monocrystalline silicon solar cells (hereinafter referred to as "solar cells"). This document applies to monocrystalline silicon solar cells used primarily as raw materials for ground-mounted applications. Main Technical Content: 7. Requirements 7.1 Dimensions of solar cells: The size requirements for solar cells are specified in Table 2. 7.2 Appearance 7.2.1 The front appearance of solar cells should have complete and clear grid line patterns, with no obvious deviations or defects. There should be no oxidation or discoloration, ensuring good solderability. Other requirements are specified in Table 3. 7.2.2 The back appearance of solar cells should have complete electrode patterns that meet the design requirements for electrode adhesion strength. The electrodes should have no void prints, aluminum beads, or aluminum spikes, and the paste should not contact the edges of the solar cells. Specific requirements are specified in Table 3. 7.3 Mechanical Performance 7.3.1 Warpage: Under normal conditions, the bending deformation of the battery is measured by its warpage, as shown in Table 4. 7.3.2 Tensile strength of electrodes and solder joints: The electrode adhesion should be firm, and after soldering, the electrodes and solder joints should be firmly bonded. The testing method should comply with GB/T 29195, and the minimum tensile strength measured should be 2.00 N/mm (except for under-soldering or over-soldering, and the average value of the stable value of the 180° test). 7.3.3 The solar cells should not have cracks, hidden cracks, perforations, or V-shaped notches. The requirements for defects such as angle and chipping are specified in Table 4. 7.4 Electrical Performance 7.4.1 Electrical performance parameters: The electrical performance parameters of solar cel