def calc_RC_via_bulk_HV_time(capacitance, L, sigma):
    """
    Characteristic charging and relaxation time of the electric double layer through the bulk electrolyte
    units: s
    Notes:
        Adjari, 2006    -   "Relaxation time at high voltages"
            --> At high voltages, the Stern/dielectric layer dominates the capacitance of the
            --> double layer and the relaxation time changes
    """

    tau_debye_highvoltage = capacitance * L / sigma
    return tau_debye_highvoltage