METAL/OXYGEN BATTERY WITH ELECTROCHEMICAL OXYGEN COMPRESSION

摘要

The metal/air battery (100) of the present application includes a negative electrode (102), a positive electrode (104), and a separator (106) positioned between the negative electrode (102) and the positive electrode (104), wherein the pressure within the positive electrode (104) is maintained at or above 10 bar with compression energy provided by electrons driving electrochemical reaction in the battery during charging of the metal/air battery. As a result, the battery does not need to use air as an external source for oxygen but stores oxygen directly within the positive electrode (104) or in a tank (118) part of the battery system and no external compressor is required. The energy efficiency of the metal/air battery system can therefore be improved.