Solar cell-based hybrid energy harvesters towards sustainability
태양 전지를 기반으로 한 혼합 에너지 수집기가 지속 가능한 발전을 이루다
Colectores de energía híbridos basados en células solares para el desarrollo sostenible
Collecteurs d'énergie hybrides à base de cellules solaires pour un développement durable
Гибридные коллекторы энергии на основе солнечных батарей для достижения устойчивого развития
Tianxiao Xiao 肖天笑 ¹, Suo Tu 涂梭 ¹, Suzhe Liang 梁苏哲 ¹, Renjun Guo 郭任君 ¹, Ting Tian 田婷 ¹, Peter Müller-Buschbaum ¹ ²
¹ Chair for Functional Materials, Department of Physics, TUM School of Natural Sciences, Technical University of Munich, James-Franck-Str. 1, 85748 Garching, Germany
² Heinz Maier-Leibniz Zentrum (MLZ), Technical University of Munich, Lichtenbergstraße 1, 85748 Garching, Germany
Opto-Electronic Science, 7 September 2023

Energy harvesting plays a crucial role in modern society. In the past years, solar energy, owing to its renewable, green, and infinite attributes, has attracted increasing attention across a broad range of applications from small-scale wearable electronics to large-scale energy powering. However, the utility of solar cells in providing a stable power supply for various electrical appliances in practical applications is restricted by weather conditions.

To address this issue, researchers have made many efforts to integrate solar cells with other types of energy harvesters, thus developing hybrid energy harvesters (HEHs), which can harvest energy from the ambient environment via different working mechanisms. In this review, four categories of energy harvesters including solar cells, triboelectric nanogenerators (TENGs), piezoelectric nanogenerators (PENGs), and thermoelectric generators (TEGs) are introduced.

In addition, we systematically summarize the recent progress in solar cell-based hybrid energy harvesters (SCHEHs) with a focus on their structure designs and the corresponding applications. Three hybridization designs through unique combinations of TENG, PENG, and TEG with solar cells are elaborated in detail. Finally, the main challenges and perspectives for the future development of SCHEHs are discussed.
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