System and method for providing electric power from a metal-air battery, which is operated with ambient air

The invention relates to a system for providing electrical energy, in particular in a vehicle, comprising a which is operated with air, metal-air battery, particularly a lithium-air battery comprising an inlet for ambient air and an outlet for exhaust air, a Wasserentferner, for removing moisture from ambient air, in particular comprising a water-absorbing material, and a first compressor for compressing and heating air, the system being arranged such that air passes through the first compressor and subsequently the Wasserentferner.