Canadian custom module manufacturer Capsolar developed a vehicle integrated PV system (VIPV) for an electric material towing application, reportedly enabling 30% to 40% range increase per battery charge.
Imec has successfully integrated silicon heterojunction PV cells into curved surfaces, resulting in a 6% efficiency increase compared to passivated emitter and rear contact (PERC) half cells. The cells are suitable for applications in vehicle-integrated and building-integrated PV (BIPV).
New research shows high potential for solar-powered vehicles across the world, providing between 11 km/day/kWp to 29 km/day/kWp of extended range in open areas, enabling significant levels of self-sufficiency.
Researchers in South Korea have developed a process to enable colored and flexible, thin film modules suitable for vehicle and building-integrated PV applications. It is reportedly a low-cost process that does not significantly impact power conversion efficiency.
Germany’s Fraunhofer Institute for Solar Energy (ISE) has advanced vehicle-integrated PV (VIPV) technology by installing solar cells directly onto a standard sheet-metal car hood. The researchers placed a 115 W prototype array on the hood of a Volkswagen with a specialized lamination process.
Sono Motors has equipped its first bus with its PV retrofit solution, featuring 16 semi-flexible rooftop solar modules to feed 1.4 kW of output into the vehicle’s battery system.
Toyota says it will combine EneCoat’s perovskite solar cells and its own in-vehicle technologies for solar panels. Enecoat has developed a perovskite module conversion efficiency of 19.4%.
Scientists in Spain have developed a transparent solar cell with an average visible transmittance of up to 66%. The device could be used for ubiquitous device functionalization, including indoor PV and agrivoltaics.
European researchers have evaluated the electricity generation, levelized cost of electricity (LCOE), and payback period of vehicle-integrated PV in EVs.
Bonna Newman, program manager at TNO, speaks to pv magazine about the road forward for vehicle-integrated PV, which will likely remain a niche over the short term, despite recent industrial developments. Several companies have started production, but high-volume output and the potential of other PV technologies beyond crystalline silicon remain key challenges for the future of vehicle-integrated solar.
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