Hybrid solar energy device for simultaneous electric power generation and molecular solar thermal energy storage
Artikel i vetenskaplig tidskrift, 2024
The performance of photovoltaic (PV) solar cells can be adversely affected by the heat generated from solar irradiation. To address this issue, a hybrid device featuring a solar energy storage and cooling layer integrated with a silicon-based PV cell has been developed. This layer employs a molecular solar thermal (MOST) energy storage system to convert and store high-energy photons—typically underutilized by solar cells due to thermalization losses—into chemical energy. Simultaneously, it effectively cools the PV cell through both optical effects and thermal conductivity. Herein, it was demonstrated that up to 2.3% of solar energy could be stored as chemical energy. Additionally, the integration of the MOST system with the PV cell resulted in a notable decrease in the cell's surface temperature by approximately 8°C under standard solar irradiation conditions. The hybrid system demonstrated a solar utilization efficiency of 14.9%, underscoring its potential to achieve even greater efficiencies in forthcoming advanced hybrid PV solar energy systems.
photovoltaics
molecular solar thermal energy storage
solar energy conversion
solar energy storage
Författare
Zhihang Wang
Chalmers, Kemi och kemiteknik, Tillämpad kemi
University of Cambridge
Helen Hölzel
Chalmers, Kemi och kemiteknik, Tillämpad kemi
Universitat Politecnica de Catalunya
Lorette Fernandez
Institut de Ciència de Materials de Barcelona (ICMAB-CSIC)
Muhammad Adil Salman Aslam
Chalmers, Kemi och kemiteknik, Tillämpad kemi
Paulius Baronas
Institut de Ciència de Materials de Barcelona (ICMAB-CSIC)
Jessica Orrego Hernandez
Teknisk ytkemi
Shima Ghasemi
Chalmers, Kemi och kemiteknik, Kemi och biokemi
M. Campoy-Quiles
Institut de Ciència de Materials de Barcelona (ICMAB-CSIC)
Kasper Moth-Poulsen
Universitat Politecnica de Catalunya
Chalmers, Kemi och kemiteknik, Tillämpad kemi
Institut de Ciència de Materials de Barcelona (ICMAB-CSIC)
Institucio Catalana de Recerca i Estudis Avancats
Joule
25424351 (eISSN)
Vol. 8 9 2607-2622Molecular Solar Thermal energy storage systems (MOST)
Energimyndigheten (2019-010724), 2019-05-07 -- 2019-09-03.
Europeiska kommissionen (EU) (EC/H2020/951801), 2020-09-01 -- 2024-02-29.
Photo Thermal Management Materials (PHOTERM)
Europeiska kommissionen (EU) (EC/H2020/101002131), 2021-10-01 -- 2026-09-30.
Drivkrafter
Hållbar utveckling
Ämneskategorier
Energiteknik
Energisystem
Styrkeområden
Energi
DOI
10.1016/j.joule.2024.06.012