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Audi plant in Ingolstadt: Second life for lithium-ion batteries

Lithium-ion batteries from electric cars
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D he first Audi e-trons roll to customers and on the street, and with them large battery packs in the vehicle floor of the SUV. The more electric cars are built, the greater the number of batteries that manufacturers will have to take back later. In addition to recycling the batteries, their further use is also the right approach.

Audi has now set up a project team to deal with precisely this. With the start of series production of the e-tron, the prototypes are now being dismantled. Their lithium-ion batteries, like those of the plug-in hybrids A3 and Q7 e-tron, are still in use at the Audi plant at the headquarters in Ingolstadt after their first life.

No need to remove the batteries more necessary

So-called industrial trucks, for example forklifts and tractors for transporting goods, have been on the move electrically in the production halls for a long time. They have lead-acid batteries weighing up to two tons. To be charged, they first have to be removed from the vehicle and then hung on the power cable for several hours at a time.

With the use of lithium-ion batteries from cars, Audi wants to use and charge the industrial trucks more efficiently. There is no need to remove the batteries and the charging time is also significantly reduced. The modern batteries can be recharged more easily and space-savingly at fixed locations, for example during breaks.

Further concepts for using the batteries

Audi is building the new batteries in the battery trays of the previous lead -Acid batteries one. To do this, the e-tron batteries are dismantled. 24 of the 36 modules used in the car fit into the industrial trucks. The manufacturer assumes that millions can be saved if lithium-ion batteries are used across the board in production.

This means that not all used electric car batteries can be reused. In addition, Audi is also developing other concepts for the further use of the batteries, for example in stationary energy storage devices or mobile charging containers for electric cars.


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