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Protocol for building and using a maximum power point output tracker for perovskite solar cells
Arturo Sanz-Marco1, Rodrigo Jeronimo-Cruz1, Marta Haro1
1Instituto de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, 50009 Zaragoza, Spain.
STAR Protocols
|October 18, 2024
Summary
Researchers developed a new galvanostatic maximum power point tracking (MPPT) algorithm for perovskite solar cells (PSCs). This protocol details its assembly and application for precise solar energy harvesting.
Area of Science:
- Materials Science
- Electrical Engineering
- Renewable Energy
Background:
- Perovskite solar cells (PSCs) exhibit high hysteresis, complicating efficient power extraction.
- Accurate maximum power point tracking (MPPT) is crucial for optimizing photovoltaic energy conversion.
- Existing MPPT methods may struggle with the dynamic characteristics of PSCs.
Purpose of the Study:
- To present a detailed protocol for assembling a galvanostatic MPPT tracker for PSCs.
- To implement and validate a novel galvanostatic MPPT algorithm on a microcontroller.
- To demonstrate the tracker's capability for precise power tracking and data acquisition in small-area photovoltaic devices.
Main Methods:
- Development of a galvanostatic MPPT algorithm tailored for high-hysteresis PSCs.
- Assembly of a custom tracker device controlled by a microcontroller.
- Integration of the algorithm for real-time power optimization and data logging.
- Performance evaluation using current-voltage (JV) scans and stabilized output power (SOP) measurements.
Main Results:
- Successful implementation of a continuous and precise galvanostatic MPPT algorithm for PSCs.
- Demonstration of the tracker's functionality in conducting JV scans and SOP tracking.
- Establishment of a protocol for data collection, storage, and plotting for photovoltaic analysis.
- Validation of the device's operational modes and functions for small-area solar cells.
Conclusions:
- The developed galvanostatic MPPT algorithm and tracker provide an effective solution for optimizing power output from high-hysteresis PSCs.
- This protocol facilitates the practical application and study of advanced MPPT techniques in perovskite photovoltaics.
- The system enables reliable performance assessment and continuous energy harvesting from small-area solar cells.
