Sustainability Mercedes-Benz develops solar paints to charge EV cars

Maciamo

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I don't like to use the term 'game changer' anymore as it's been overused and abused over the last 15 years, but in this case I could make an exception. Imagine a world where all EV cars are self recharging and no outside electricity source is needed. That may soon become a reality. Of course that would work better in sunny countries than in say, Ireland, Britain or Belgium.

Perplexity News: Solar Paint Charges EVs

"Based on reports from Mercedes-Benz, a groundbreaking "solar paint" technology for electric vehicles is being developed, which could potentially eliminate the need for daily charging by harvesting energy from sunlight continuously, whether the car is parked or in motion.

Mercedes-Benz has unveiled a revolutionary technology that could transform the electric vehicle (EV) landscape: solar paint. This innovative coating incorporates photovoltaic nanoparticles beneath the vehicle's topcoat, allowing 94% of the sun's energy to pass through while converting it into electricity. The German automaker's vision extends beyond mere aesthetics, as this groundbreaking paint could potentially free EV owners from range anxiety by continuously recharging the vehicle's battery, whether it's parked or being driven.

The technology is still in the research phase, but its potential impact on the automotive industry is significant. By turning every inch of a vehicle's exterior into an energy-harvesting surface, Mercedes-Benz aims to reduce reliance on traditional charging infrastructure and extend the range of electric vehicles. This development aligns with the growing trend of sustainable transportation solutions and could play a crucial role in accelerating the adoption of electric vehicles worldwide.

The innovative solar paint system comprises multiple ultra-thin layers, totaling a mere 5 microns in thickness and weighing only 50 grams per square meter. This lightweight and flexible photovoltaic material consists of:
  • A conductive material layer
  • Insulation
  • Solar-active photovoltaic material
  • A translucent nanoparticle-based top coat
Achieving an impressive 20% energy conversion efficiency, comparable to traditional solar panels, the system allows 94% of sunlight to pass through its top coating. This remarkable technology can be applied to various vehicle surfaces, including curved panels, making it a versatile solution for electric vehicle charging."

The range would depend on how much sun there is where you use your car.

motortrend.com
 
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