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Open AccessFeature PaperArticle

Visually Attractive and High-Power-Retention Solar Modules by Coloring with Automotive Paints

1
X-Frontier Division, Toyota Motor Corporation, 1200 Mishuku, Susono, Shizuoka 410-1193, Japan
2
Material Research Department, Toyota Research Institute of North America, 1555 Woodridge Avenue, Ann Arbor, MI 48105, USA
*
Author to whom correspondence should be addressed.
Coatings 2018, 8(8), 282; https://doi.org/10.3390/coatings8080282
Received: 13 June 2018 / Revised: 30 July 2018 / Accepted: 11 August 2018 / Published: 15 August 2018
(This article belongs to the Special Issue Thin Film Solar Cells: Fabrication, Characterization and Applications)
The automotive painting technique is highly advantageous for coloring solar modules, because it enables the modules to be visually attractive over a large area, numerous colors can be applied, and they are highly durable. Herein, we present a high-performance solar module colored using an automotive painting technique. We coated a dilute automotive pigment, the high-transmittance mica pigment, with a clear coat material on a crystalline Si solar module to generate blue color. Our measurements show that a pigment weight concentration of around 10% with the mica pigment is suitable for painting the solar modules, because it enables visual attractiveness while retaining over 80% of the output power, compared to the original solar module. We believe that the technique proposed herein can considerably increase the installable area of solar modules on a car body. View Full-Text
Keywords: photovoltaic; colored solar module; car-roof PV; automotive painting; interference pigment photovoltaic; colored solar module; car-roof PV; automotive painting; interference pigment
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Masuda, T.; Kudo, Y.; Banerjee, D. Visually Attractive and High-Power-Retention Solar Modules by Coloring with Automotive Paints. Coatings 2018, 8, 282.

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