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We often talk about the possibility of giving a second life to electric car batteries as storage systems. In that sense, comes an interesting Volkswagen project which aims to give a second life to the accumulators used within the ID.3 and ID.4. A project that goes, however, beyond the simple reuse of batteries. In fact, the German brand wants to exploit them to promote the construction of fast charging infrastructures in residential areas.
Volkswagen therefore presented his Power Storage Container (PSC)a storage system consisting of 96 battery modules of the electric vehicles of the ID range which has one net capacity of 570 kWh. The PSC, says the brand, will be used to power the charging stations.
To demonstrate its idea, Volkswagen has made one fast charging station at the Zwickau plant, in Germany. We find 4 columns of 150 kW, each of which can also power two cars at the same time at a maximum power of 75 kW. Thus, in total this station can supply energy to up to 8 cars in parallel. This station is mostly powered by the new storage system. By the end of the year, Volkswagen expects to have 3 fast charging stations operational within the plant.
For Volkswagen, this accumulation system that defines as a “automotive power bank“, can be used to build high-power charging points where there is no adequate electricity grid infrastructure. Therefore, the PSC system could make it possible to create high-power HPC columns where it would be possible to install only 11/22 kW AC columns, as in residential areas.
Furthermore, it allows to supply large quantities of energy in a short time without overloading the electricity grid. An interesting project but not new in an absolute sense, not even within the Volkswagen Group. Indeed, Audifor its concept of fast charging station complete with an adjoining lounge, it uses storage systems with second-life batteries.
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