Importance

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Abstract

The invention relates to a method (100) for converting and/or storing electric energy E obtained from mechanical energy M in a vehicle comprising a motor (1), in particular a motor vehicle. In the method, a) mechanical energy M obtained when braking and/or during an overrun operation of the vehicle is converted into electric energy E in a first step using a generator (2), b) the electric energy is stored in an intermediate energy store (3) in a second step, c) the stored electric energy E is discharged to an electrolysis module (4) in a third step, d) the module converts the electric energy E into chemical energy C in a fourth step at least by splitting water (H₂O) into hydrogen (H₂) and oxygen (O2), and e) the chemical energy is conducted into a gas tank (5) of the vehicle for temporary storage and/or is supplied to the motor (1) and/or a fuel cell (10) of the vehicle in a fifth step.

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First Claim