IP Library › Granted Patent US 12,107,240
Granted Patent B2
US 12,107,240 · App. 18/198,268 · Granted Oct 1, 2024

Smart battery management systems

Inventors: Vikas Tomar (West Lafayette, IN); Thomas Edward Adams (West Lafayette, IN); Jonathan E. Alvarado (San Diego, CA); James Eric Dietz (West Lafayette, IN); Bing Li (West Lafayette, IN); Christian T. Neal (Pittsburgh, PA)
Assignee: Purdue Research Foundation
H01M10/4257B60L53/63B60L58/12B60L58/24H01M10/482H01M10/486H01M50/574H01M2010/4278H01M2220/20
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Quick Facts
Patent No.
US 12,107,240
App. No.
18/198,268
Granted
Oct 1, 2024
Kind
B2
Abstract

Various implementations of a smart battery management system are provided. An example method includes identifying sensor data of a cell in a battery system; predicting, based on the sensor data, a failure event of the cell; and preventing the failure event by activating a control circuit connected to the cell.

Claims (67)

1. A method for managing a battery system, comprising:

receiving sensor data from sensors configured to measure one or more metrics of a cell in a battery system;

predicting a failure event of the cell; and

preventing the failure event by activating a control circuit coupled to the cell, wherein the sensor data sensors configured to measure one or more metrics of a plurality of cells in a battery,

wherein the metrics comprise at least movement of the cell obtained from at least one movement sensor, and

wherein the metrics further comprise at least one of a pressure obtained from at least one pressure sensor, a temperature obtained from at least one temperature sensor, a voltage obtained from at least one voltage sensor, a current obtained from at least one current sensor, a resistance obtained from at least one resistance sensor, an impedance obtained from at least one impedance sensor, or a capacitance obtained from at least one capacitance sensor, each associated with the cell.

2. The method of claim 1 , wherein the step of predicting is based on the sensor data, the failure event is predicted by a neural network.

3. The method of claim 2 , the sensor data being first sensor data, the cell being a first cell, and the failure event being a first failure event, the method further comprising:

identifying second sensor data of a second cell, the second sensor data being obtained during at least one second failure event of the second cell; and

training the neural network based on the second sensor data and an indication of the at least one second failure event.

4. The method of claim 1 , wherein the failure event comprises thermal runaway of the cell.

5. The method of claim 1 , wherein activating the control circuit comprises:

causing the control circuit to modify a current flowing through the cell, including causing to disconnect the cell from one or more additional cells in the battery system.

6. The method of claim 1 , wherein preventing the failure event comprises:

providing the acceleration data obtained from the at least one movement sensor.

7. The method of claim 6 , further comprising:

predicting by inputting data from the at least one movement sensor into the trained neural network, a failure event of the cell based on the associated movement data from the cell.

8. The method of claim 7 , further comprising:

disconnecting the cell from the one or more additional cells in response to the prediction of the trained neural network.

9. A Smart Battery Management System, comprising:

at least one processor; and

non-transient memory storing instructions that, when executed by the at least one processor cause the at least one processor to perform operations comprising:

identifying sensor data of a cell in a battery system;

predicting, based on the sensor data, a failure event of the cell; and

preventing the failure event by activating a control circuit connected to the cell,

wherein the metrics comprise at least movement of the cell obtained from at least one movement sensor, and

wherein the metrics further comprise at least one of a pressure obtained from at least one pressure sensor, a temperature obtained from at least one temperature sensor, a voltage obtained from at least one voltage sensor, a current obtained from at least one current sensor, a resistance obtained from at least one resistance sensor, an impedance obtained from at least one impedance sensor, or a capacitance obtained from at least one capacitance sensor, each associated with the cell.

10. The system of claim 9 , wherein predicting is based on the sensor data, the failure event is predicted by a neural network.

11. The system of claim 10 , the sensor data being first sensor data, the cell being a first cell, and the failure event being a first failure event, the processor further performs:

identifying second sensor data of a second cell, the second sensor data being obtained during at least one second failure event of the second cell; and

training the neural network based on the second sensor data and an indication of the at least one second failure event.

12. The system of claim 9 , wherein the failure event comprises thermal runaway of the cell.

13. The system of claim 9 , wherein activating the control circuit comprises:

causing the control circuit to modify a current flowing through the cell, including causing to disconnect the cell from one or more additional cells in the battery system.

14. The system of claim 9 , wherein preventing the failure event comprises:

providing acceleration data obtained from the at least one movement sensor.

15. The system of claim 14 , further comprising:

by inputting data from the at least one movement sensor into a trained neural network, thereby predicting the failure event of the cell based on the associated movement data from the cell.

16. The system of claim 15 , further comprising:

disconnecting the cell from the one or more additional cells in response to the prediction of the trained neural network.

17. A method for managing a battery system, comprising:

receiving sensor data from sensors configured to measure one or more metrics of a cell in a battery system;

predicting a failure event of the cell; and

preventing the failure event by activating a control circuit coupled to the cell, wherein the sensor data sensors configured to measure one or more metrics of a plurality of cells in a battery,

wherein the step of predicting a failure event is based on the sensor data and predicted by a neural network, and

wherein the sensor data being first sensor data, the cell being a first cell, and the failure event being a first failure event, the method further comprising:

identifying second sensor data of a second cell, the second sensor data being obtained during at least one second failure event of the second cell; and

training the neural network based on the second sensor data and an indication of the at least one second failure event.

18. A Smart Battery Management System, comprising:

at least one processor; and

non-transient memory storing instructions that, when executed by the at least one processor cause the at least one processor to perform operations comprising:

identifying sensor data of a cell in a battery system;

predicting, based on the sensor data, a failure event of the cell; and

preventing the failure event by activating a control circuit connected to the cell,

wherein predicting is based on the sensor data, the failure event is predicted by a neural network, and

wherein the sensor data being first sensor data, the cell being a first cell, and the failure event being a first failure event, the processor further performs:

identifying second sensor data of a second cell, the second sensor data being obtained during at least one second failure event of the second cell; and

training the neural network based on the second sensor data and an indication of the at least one second failure event.

19. A Smart Battery Management System, comprising:

at least one processor; and

non-transient memory storing instructions that, when executed by the at least one processor cause the at least one processor to perform operations comprising:

identifying sensor data of a cell in a battery system;

predicting, based on the sensor data, a failure event of the cell; and

preventing the failure event by activating a control circuit connected to the cell,

wherein preventing the failure event comprises:

providing the acceleration data obtained from at least one movement sensor, and

by inputting data from the at least one movement sensor into a trained neural network thereby predicting the failure event of the cell based on the associated movement data from the cell.

Assignments (1)
GOVERNMENT INTEREST AGREEMENT Recorded Dec 18, 2024
From: PURDUE UNIVERSITY
To: THE GOVERNMENT OF THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE NAVY
Reel/Frame 069731/0750 →
Continuity (3)
Division 16803127 · Feb 27, 2020
Provisional Application 62811896 · Feb 28, 2019
Related Publication 20240170740A1 · May 23, 2024