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Title:
 
Development of High-Efficiency Solar Cell Modules for PV-Powered Vehicles
 
Author(s):
 
M. Yamaguchi, K. Araki, Y. Ota, K. Nishioka, T. Takamoto, C. Thiel, A. Tsakalidis, A. Jäger-Waldau, T. Masuda, K. Okumura, T. Nakado, K. Yamada, Y. Zushi, T. Tanimoto, K. Nakamura, R. Ozaki, N. Kojima, Y. Ohshita
 
Topic:
 
PV Applications, Integration and Storage
Subtopic: PV in Infrastructure, on Water and on Vehicles; PV and Agriculture
Event: 38th European Photovoltaic Solar Energy Conference and Exhibition
Session: 6DO.8.1
 
Pages:
 
1409 - 1411
ISBN: 3-936338-78-7
Paper DOI: 10.4229/EUPVSEC20212021-6DO.8.1
 
Price:
 
 
0,00 EUR
 
Document(s): paper
 

Abstract/Summary:


The development of photovoltaic (PV)-powered vehicles is desirable and can be very important for reducing CO2 emissions, increasing electric range and creating new clean energy infrastructures based on PVs. According to our survey, the use of more than 30 % of high-efficiency PVs enables 30 km/day driving without external charging. With this, the majority of family cars could run by sunlight and without the need for additional fuel. Although the Toyota Prius demonstration car has shown 36.6km/day driving at solar irradiance of 6.2kWh/m2 /day, the expected driving distance of PV-powered vehicles is lower than the estimated values due to some losses, such as temperature increase of solar cell modules under sunshine conditions. This paper presents approaches on the development of high-efficiency solar cell modules. In this paper, analytical results for reduction in non-radiative recombination and resistance losses of various solar cell modules are shown. In addition, temperature coefficients of candidate solar cell modules are analyzed in order to develop highly efficient solar cell modules under sunshine conditions. The III-V compound 3-junction solar cell modules are shown to have potential efficiencies of 37% with better temperature coefficient of -0.19 %/ compared to -0.29 %/ for Si back contact solar cell modules and -0.26 %/ for Si heterojunction solar cell modules. It is also shown the 3-junction solar cell modules have potential driving distance of more than 50km/day on a clear day,