Hyundai-Kia Motors Unveiled Solar Charging System Technology

Hyundai-Kia Motors heralded the era of the solar charging vehicle and accordingly disclosed the solar charging system technology recently. This is their will to gain an advantage in the competition for eco-friendly vehicles by extending mileage and reducing CO2 generation by commercializing the solar charging system technology using the light of the sun.
The solar charging system is being developed to support the main power. It increases fuel efficiency by charging not only eco-friendly vehicles including electric and hybrid ,but typical motor vehicles. Hyundai-Kia Motors is developing 3 types of the solar charging systems, the 1st generation silicone-type solar roof, the 2nd generation translucent solar roof, and the 3rd body-type light lid.
The 1st generation solar roof to be applied to the hybrid model is a form of installing a mass-production silicone solar battery on the general roof. The 1st generation solar roof system can charge a battery approximately 30~60% a day depending on the weather and usage environment.
The 2nd generation translucent solar roof to be applied to the motor model for the first time in the world is a form of installing a translucent solar battery on the panorama sunroof as it is developed with transparent type and open-and-close type options, unlike the 1st generation solar roof, for customers who want openness.
For example, it is a method of securing transparency through a translucent roof panel and charging an internal battery, or an additional solar battery in a motor vehicle.
Lastly, the 3rd generation body-type light solar lid which is in the process of a precedent study to be applied to the eco-friendly model is a method of composing a solar battery as an all-in-one type on the lid (bonnet) and roof steel plate of the car to maximize output.
The solar charging system consists of a solar panel, a controller, and a battery. In the solar panel, energy is generated as the sunlight is separated into an electron and a positive hole when it contacts the surface of the cell of a solar battery.
When a 100W solar panel is installed, 100W is generated per hour based on 1 Sun (noon in the summer, 1000 W/m2 deposits). In other words, it can store 100Wh energy when exposed to sunlight for 1 hour.
Hyundai-Kia Motor is currently putting spurs to the development of the 1st solar roof to apply it to ecofriendly vehicles to be released after 2019.
The researcher of the Environmental Energy Research Team that developed this technology explained that “it is expected that various energy generating technologies including the solar charging system will be connected to vehicles. Vehicles will be power stations actively generating energy, not machines that are just consuming energy passively. Now, the paradigm of car owners is switching from consumers to energy prosumers.”

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