The General Administration of Market Regulation issued the first national standard for perovskite photovoltaics, “Photovoltaic Devices Part 12: Method for Measuring Current-Voltage Characteristics of Perovskite Photovoltaic Cells and Modules”, which will be officially implemented in 2027. Driven by the “dual carbon” goal, perovskite photovoltaic technology is developing rapidly. It is moving from laboratories to large-scale mass production at the gigawatt scale, and the demand for testing and certification of batteries and modules continues to grow. However, the performance of perovskite devices fluctuates easily under changes in lighting and voltage, test results are not stable enough, and area definitions are not uniform. Test methods commonly used in the past for crystalline silicon and thin-film batteries are difficult to directly apply. Simply put, the standard addresses how to measure perovskite batteries and components in order to measure accurately and fairly. The performance of perovskite devices changes under lighting, and cannot be tested as quickly as traditional crystalline silicon. The standard system specifies test equipment, stabilization processing requirements before testing, how to measure current-voltage characteristics, how to calculate area and power generation efficiency, etc. In response to the different needs of laboratory development and large-scale production, the standard provides a rapid measurement method, and complements quasi-steady state testing methods that are closer to actual working conditions, such as the maximum power point tracking method, the 10-point quasi-stable method, and the progressive method. At the same time, the standard unifies the definition and efficiency calculation of the total area and aperture area, so that the results measured by different agencies can be compared on the same scale, and finally forms a verifiable and reproducible standardized test process. The standard establishes a scientific, reliable, and marketable perovskite photovoltaic I-V characteristic measurement method system, filling the gap in standardized testing of emerging photovoltaic technology in China. It will become a “unified standard” for inspection and certification, product development, production line quality control, and trade delivery, providing key technical support for subsequent improvement of the standard system, international standard formulation, and promotion and application of perovskite photovoltaics in the industrialization and application.
Zhitongcaijing · 2d ago
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The General Administration of Market Regulation issued the first national standard for perovskite photovoltaics, “Photovoltaic Devices Part 12: Method for Measuring Current-Voltage Characteristics of Perovskite Photovoltaic Cells and Modules”, which will be officially implemented in 2027. Driven by the “dual carbon” goal, perovskite photovoltaic technology is developing rapidly. It is moving from laboratories to large-scale mass production at the gigawatt scale, and the demand for testing and certification of batteries and modules continues to grow. However, the performance of perovskite devices fluctuates easily under changes in lighting and voltage, test results are not stable enough, and area definitions are not uniform. Test methods commonly used in the past for crystalline silicon and thin-film batteries are difficult to directly apply. Simply put, the standard addresses how to measure perovskite batteries and components in order to measure accurately and fairly. The performance of perovskite devices changes under lighting, and cannot be tested as quickly as traditional crystalline silicon. The standard system specifies test equipment, stabilization processing requirements before testing, how to measure current-voltage characteristics, how to calculate area and power generation efficiency, etc. In response to the different needs of laboratory development and large-scale production, the standard provides a rapid measurement method, and complements quasi-steady state testing methods that are closer to actual working conditions, such as the maximum power point tracking method, the 10-point quasi-stable method, and the progressive method. At the same time, the standard unifies the definition and efficiency calculation of the total area and aperture area, so that the results measured by different agencies can be compared on the same scale, and finally forms a verifiable and reproducible standardized test process. The standard establishes a scientific, reliable, and marketable perovskite photovoltaic I-V characteristic measurement method system, filling the gap in standardized testing of emerging photovoltaic technology in China. It will become a “unified standard” for inspection and certification, product development, production line quality control, and trade delivery, providing key technical support for subsequent improvement of the standard system, international standard formulation, and promotion and application of perovskite photovoltaics in the industrialization and application.
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