Three solar models: BMW body covered with solar energy scales
Solar seems to be that anyone can make use of energy?? As long as a suitable collection of tools. But solar energy is not free, and largely by the geographical restrictions. Researchers may be able to continue to promote the improvement of solar cell technology, to achieve higher conversion efficiency, but, for now, even the most advanced in the field of solar cells can not reach more than 50% of the solar energy – electricity conversion efficiency. Therefore, in order to capture enough sunlight, solar panels need to point a large enough area. So, these constraints mean that the individual modes of transport can not use solar energy out? The answer is no. As long as there is creativity, anything is possible. The following describes three types of car design, let us from achieving the dream of solar-driven step closer.
Major problems: the body surface-mount installation of solar panels solar car, when moving relative to the location and angle of the sun will change, which will greatly reduced the potential for solar cells.
Core solution: change the shape of the car, changing the angle of solar panels to increase the efficient use of space.
From Germany Pforzheim University, a graduate design BMW Music of (Lovos) concept car powered by a new shape, breaking the traditional design ideas. Although the body covered with scales it looks like a weird "armored porcupine," but in fact, the car body structure of the surface film formed by the 260, the structure piece by hinges fixed to the vehicle body, each piece comes with the structure a solar cell, as one by one independently rotating solar panels to collect solar energy as possible. When the vehicle is stationary, each an independent solar photovoltaic panels will move with the direction of rotation. In addition, the wheels are also designed with an independent photovoltaic panels, when the vehicle is in motion, these photovoltaic panels can be re-combined into a turbine-like.
If you want to use the more traditional body design, it would need to change the shape of the arc of solar panels. Like Italian design from Giugiaro Quaranta this company (Quaranta) hybrid four-wheel drive super sports car, with a narrow posture, with solar panels composed of curved seamless silhouette. Looks gorgeous, but to become a fully rely on solar-powered car, it is still a long way to go. At present, the vehicle's solar panels generated electricity can only meet the necessary electronic equipment inside the vehicle, and for the hybrid battery configuration. If you want to completely rely on solar energy converted to electricity, the car probably had to sacrifice a 268 horsepower super.
Solar technology designers most troublesome part is the size of solar panels, solar panels to avoid too much occupied the position, the Spanish motorcycle development company Red Sun (SunRed) think of a better way?? To create solar panels to play a snail shell semicircular shape so that it formed an integral whole with the motorcycle, in addition, when the motorcycle stops, solar panels can also be launched, surface area will increase to 25 square meters, to collect a greater degree of solar energy to charge the battery, the energy storage capacity can meet about 20 km of driving. Although Taiwan is Taiwan, the current concept of motor vehicles, but the Red Sun to it as the next milestone in the development of solar energy technology.
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