Audi Pilots Concept for Quick Battery Charging
Battery ChargingAudi

Audi Pilots Concept for Quick Battery Charging

Audi is driving its transformation as a provider of sustainable premium mobility. The brand plans to ramp up its efforts by 2025

Audi is driving its transformation as a provider of sustainable premium mobility. The brand plans to ramp up its efforts by 2025 with a wide range of more than 20 fully electric models. The key to its success and the crux of this transformation is the availability of charging infrastructure. Audi is working on a concept for quick-charging for premium-level electromobility. A pilot project in the second half of the year will provide a specific outlook and a practical test for a possible serial roll-out.

Audi’s electric offensive is picking up speed: For the first time ever, more than half of the newly introduced models are electrified in 2021. The recently introduced Q4 e-tron series offers an attractively priced step into premium electric mobility and is also an important volume building block of the electrification strategy. With the growing number of electric models, the requirements for the charging infrastructure will also grow. A solution to peak demands in the future could be the Audi charging hub. The concept calls for high-power charging (HPC) stations that can be reserved in advance to provide a high level of planning security. A lounge area directly nearby will provide an attractive, premium place to pass the time.

Cubes form the foundation of the Audi charging hub. The flexible container cubes fulfill various technical requirements and house charging pillars as well as used lithium ion batteries for energy storage. The use of 2nd life modules from disassembled development vehicles doesn’t just give the battery cells a new, sustainable purpose – it also provides a great benefit in their suitability as ancillary storage for direct current. This makes complex infrastructure with high-voltage lines and expensive transformers unnecessary.

Thanks to this huge interim storage – roughly 2.45 Mwh – the six charging stations, which have a charging output of up to 300 kW, only need a standard 400 volt high-voltage hook-up. That makes output starting at 11 kW per cube sufficient to be able to fill the three storage modules with a total capacity of 2.45 MWh continually and to charge them overnight. Photovoltaic modules on the roof provide additional green energy. This not only makes it easier to selection possible locations, it also reduces the planning time required and the costs while also saving resources. In addition, the modular concept provides maximum flexibility and scalability.

The hub can be transported, installed and adapted to the individual location quickly – largely independent of local network capacities.

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