POWER MANAGEMENT METHOD AND POWER STORAGE MODULE

Energy storage module (1), comprising at least one electrochemical accumulator (2) configured to store energy in chemical form, a compression device (3) configured to apply pressure on said at least one electrochemical accumulator (2), the compression device (3) comprising a system (4) configured to vary the pressure according to a frequency strictly greater than 0.01 Hz and less than or equal to 4 Hz.