In future more and more automobiles shall have electric motors. Drivers will appreciate battery driven cars only, if they are 100 % suitable for dayly use. Therefore innovative, robust and safe energy storage devices with high capacity are needed. Todays most used batteries contain Lithium. Transportation of more than 3 g respectively 0,1 oz Lithium is regulated, because Lithium is a very reactive element. Before car industry incorporates half a ton of Lithium batteries into a vehicle, this battery must undergo severe endurance testing.