Audi working on bi-directional charging projectJuly 29, 2020
The idea of creating a battery car is not new: automakers have been returning to this technology quite often lately. So Audi is thinking about an innovative development that will allow accumulating energy unused by an electric car and directing it into the house – for the functioning of electrical appliances.
Audi has teamed up with the Hager Group on a new project for so-called bi-directional charging. In this work, the researchers are assisted by the Audi e-tron Sportback crossover equipped with an almost serial charger.
Together with it work a special 12 kW DC wall charger and a 9 kWh home buffer storage. The main idea of the technology being developed by the Germans is to use the battery of the “green” car as an energy storage device from home solar panels. All this guarantees efficient charging.
Thus, the V2H complex will allow the owner to significantly save on electricity. It stores electricity from solar panels installed on the roof of the house and shares it with the house at night. The energy not wasted by an electric car will power household appliances, but it will be charged at night when the price for electricity is lower.
In general, according to the assurances of the developers, the Audi e-tron battery will be able to provide energy for a single-family house for about a week. The principle of operation of such a scheme is simple: the owner only needs to connect the electric car to a bi-directional charger on the wall.
Earlier, a Chinese startup Aiways figured out how to make electric car batteries even safer. In this he was helped by the so-called sandwich structure, a feature of which was the insulating plate between the radiator and the cells.
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