CPC B60L 58/12 (2019.02) [G01R 19/16566 (2013.01); B60L 2240/547 (2013.01)] | 20 Claims |
1. A method of controlling a state of charge of a reference electrode in a battery, comprising:
charging an anode of the battery to a fully lithiated state, the battery including the anode, a cathode and the reference electrode between the anode and the cathode;
obtaining a measurement of an anode-reference voltage of the battery with the anode in the fully lithiated state;
commencing a discharging of the reference electrode to the cathode to remove a lithium ion from the reference electrode to the cathode when the anode-reference voltage falls below a minimum voltage threshold;
monitoring the anode-reference voltage during the discharging of the reference electrode to the cathode; and
ending the discharging when the anode-reference voltage reaches a selected voltage.
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