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technologyDevelopingUpdated 13 h ago · since 18 Sept 2026

China issues national standard GB/T 6495.12-2026 for perovskite solar cells testing, to be implemented in 2027.

The State Administration for Market Regulation/National Standards Committee released the first national standard for perovskite solar cells, GB/T 6495.12-2026, detailing current-voltage measurement methods and to be implemented in 2027. The standard aims to unify testing for perovskite cells and modules, addressing stability concerns under light and voltage, and provides methods for rapid, quasi-steady, and MPPT testing to ensure fair, comparable results across laboratories and production scales.

1 source1 country1 article1 independent outletsSource strength 22/100 ⓘIndustry and Information TechnologyNational Standardization Administration of China
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Key facts

  1. 01GB/T 6495.12-2026 standard released by the State Administration for Market Regulation/National Standards Committee; to be implemented in 2027.
  2. 02Proposed by the Ministry of Industry and Information Technology and overseen by SAC/TC90; targets perovskite photovoltaic devices and modules.
  3. 03Defines testing equipment, pre-stabilization requirements, measurement of I-V characteristics, area definitions, and efficiency calculations.
  4. 04Includes fast measurement methods plus quasi-steady-state methods (MPPT tracking, ten-point quasi-steady method, gradual method) to reflect real operating conditions.
  5. 05Unifies total area and aperture area definitions so results from different institutions can be compared on the same basis.

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