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US 12,606,050 B1Granted
Battery management system and method
AssigneeGM Global Technology Operations LLC
InventorsAnne Zhang, Brian J. Koch, Jing Gao, Suryanarayana Kolluri
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Abstract
According to several aspects, a battery management method may include adjusting an operation of a battery cell based at least in part on a plurality of battery metrics including a first battery metric, a second battery metric, a third battery metric, and a fourth battery metric. The operation of the battery cell is adjusted to maintain at least a first battery metric within a first predetermined range, a second battery metric within a second predetermined range, a third battery metric within a third predetermined range, and a fourth battery metric within a fourth predetermined range.
Claims14
A battery management method for a three-electrode battery cell, the battery management method comprising:
- adjusting an operation of the three-electrode battery cell based at least in part on a plurality of battery metrics including a first battery metric, wherein the first battery metric is an anode voltage between an anode electrode and a reference electrode of the three-electrode battery cell, a second battery metric, wherein the second battery metric is a cathode voltage between a cathode electrode and the reference electrode of the three-electrode battery cell, a third battery metric, wherein the third battery metric is a cell voltage between the cathode electrode and the anode electrode of the three-electrode battery cell, and a fourth battery metric wherein the fourth battery metric is a cell current flowing through the three-electrode battery cell, wherein the operation of the three-electrode battery cell is adjusted to maintain at least the first battery metric within a first predetermined range, the second battery metric within a second predetermined range, the third battery metric within a third predetermined range, and the fourth battery metric within a fourth predetermined range, wherein adjusting the operation of the three-electrode battery cell further comprises:
- determining the plurality of battery metrics;
- and
- adjusting the operation of the three-electrode battery cell in response to determining the plurality of battery metrics,
- wherein determining the plurality of battery metrics and adjusting the operation of the three-electrode battery cell further comprises determining the plurality of battery metrics and adjusting the operation of the three-electrode battery cell in a predetermined sequence until the first battery metric is within the first predetermined range, the second battery metric is within the second predetermined range, the third battery metric is within the third predetermined range, and the fourth battery metric is within the fourth predetermined range.
2 more elements
A battery management system comprising:
- a three-electrode battery cell including an anode electrode, a cathode electrode, and a reference electrode;
- a plurality of battery sensors in electrical communication with the three-electrode battery cell;
- a power control circuit in electrical communication with the three-electrode battery cell;
- and
- a controller in electrical communication with the plurality of battery sensors and the power control circuit, wherein the controller is programmed to:
- adjust an operation of the three-electrode battery cell using the power control circuit based at least in part on a plurality of battery metrics determined using the plurality of battery sensors, wherein the plurality of battery metrics includes an anode voltage between the anode electrode and the reference electrode of the three-electrode battery cell, a cathode voltage between the cathode electrode and the reference electrode of the three-electrode battery cell, a cell voltage between the cathode electrode and the anode electrode of the three-electrode battery cell, and a cell current flowing through the three-electrode battery cell,
- wherein to adjust the operation of the three-electrode battery cell, the controller is further programmed to adjust one or more of:
- an applied voltage across two or more electrodes of the three-electrode battery cell and a current flowing through the three-electrode battery cell for at least a predetermined time period using the power control circuit, and
- wherein to determine the plurality of battery metrics and adjust the operation of the three-electrode battery cell, the controller is further programmed to determine the plurality of battery metrics in a predetermined sequence and adjust the operation of the three-electrode battery cell in the predetermined sequence until the anode voltage is within a first predetermined range, the cathode voltage is within a second predetermined range, the cell voltage is within a third predetermined range, and the cell current is within a fourth predetermined range, wherein the predetermined sequence is:
- the anode voltage followed by the cathode voltage followed by the cell voltage followed by the cell current.
7 more elements
A battery management method for a three-electrode battery cell for a vehicle, the battery management method comprising:
- adjusting an operation of the three-electrode battery cell based at least in part on a plurality of battery metrics wherein the plurality of battery metrics includes an anode voltage between an anode electrode and a reference electrode of the three-electrode battery cell, a cathode voltage between a cathode electrode and the reference electrode of the three-electrode battery cell, a cell voltage between the cathode electrode and the anode electrode of the three-electrode battery cell, and a cell current flowing through the three-electrode battery cell, wherein the operation of the three-electrode battery cell is adjusted to maintain the anode voltage within a first predetermined range, the cathode voltage within a second predetermined range, the cell voltage within a third predetermined range, and the cell current within a fourth predetermined range, wherein measuring the plurality of battery metrics and adjusting the operation of the three-electrode battery cell further comprises:
- determining the plurality of battery metrics and adjusting the operation of the three-electrode battery cell in a predetermined sequence until the anode voltage is within the first predetermined range, the cathode voltage is within the second predetermined range, the cell voltage is within the third predetermined range, and the cell current is within the fourth predetermined range.
Dependencies are inferred from the claim text.