Battery, Battery Management System, and Method to Control a Battery

• US 20140035357A1
• Filed: 08/01/2012
• Published: 02/06/2014
• Est. Priority Date: 08/01/2012
• Status: Abandoned Application

• Current Assignee: Infineon Technologies AG
• Original Assignee: Infineon Technologies AG
• Inventors: Hausmann, Michael, Kahr, Viktor
• Application Number:
  US13/564,666
• Publication Number:
  US 20140035357A1
• Time in Patent Office: Days
• US Class Current: 307/9.1
• CPC Class Codes: B60L 2240/545 Temperature
• CPC Class Codes: B60L 2240/547 Voltage
• CPC Class Codes: B60L 2240/549 Current
• CPC Class Codes: B60L 3/0046 relating to electric energy storage systems, e.g. batteries or capacitors
• CPC Class Codes: B60L 3/12 Recording operating variables ; Monitoring of operating variables
• CPC Class Codes: B60L 58/16 responding to battery ageing, e.g. to the number of charging cycles or the state of health [SoH]
• CPC Class Codes: B60L 58/21 having the same nominal voltage
• CPC Class Codes: B60L 58/22 Balancing the charge of battery modules
• CPC Class Codes: Y02T 10/70 Energy storage systems for electromobility, e.g. batteries
• CPC Class Codes: Y02T 90/16 Information or communication technologies improving the operation of electric vehicles

Abstract

The invention relates to a battery, a battery management system, and a method to control a battery. According to an embodiment, a system includes a plurality of batteries. Each battery includes an individual associated battery control chip. Advantageously, each battery control chip is mounted within a housing of a respective associated battery. Further, each battery control chip may be adapted for wireless communication.

Claims

1. A system, comprising:

a plurality of batteries; and

a plurality of battery control chips, each battery associated with an individual battery control chip.

2. The system of claim 1, wherein each battery control chip is mounted within a housing of the associated battery.

3. The system of claim 1, wherein each battery control chip is configured for wireless communication.

4. The system of claim 3, further comprising a central control unit operationally coupled with the battery control chips.

5. The system of claim 4, wherein the central control unit is operationally coupled for wireless communication with each of the battery control chips.

6. The system of claim 1, wherein each battery control chip is configured to measure a temperature of the associated battery.

7. The system of claim 6, wherein each battery control chip comprising a storage for storing a history of the measured temperatures of the respective associated battery.

8. The system of claim 7, each battery control chip comprising a storage for storing a history of the detected electric charge loaded in the respective associated battery, and/or a history of the detected additional values.

9. The system of claim 1, wherein each battery control chip is configured to detect an electric charge loaded in a respective associated battery.

10. The system of claim 1, wherein each battery control chip is configured to detect a gas pressure and/or a gas composition and/or a value characterizing the state of an electrode coating.

11. The system of claim 1, wherein each battery control chip comprises a storage for storing an individual battery control chip ID.

12. A vehicle comprising:

a plurality of battery cells;

a plurality of battery control chips, each battery cell associated with an individual battery control chip; and

an electrical drive chain powered by the battery cells.

13. The vehicle of claim 12, wherein the battery cells are connected in series.

14. The vehicle of claim 13, wherein the battery cells together are configured to provide a voltage of more than one hundred volts.

15. The vehicle of claim 14, further comprising a control unit configured to wirelessly communicate with each of the individual control chips.

16. The vehicle of claim 12, wherein the vehicle comprises a car, a truck, a bus, a plane, a helicopter, a motorcycle, or a train.

17. A method to control a battery, the method comprising:

wirelessly communicating between a battery control chip associated with the battery, and a central control unit.

18. The method of claim 17, wherein wirelessly communicating comprises communicating via a wireless local area network connection.

19. The method of claim 17, wherein wirelessly communicating comprises communicating via a near field communication connection.

20. The method of claim 17, wherein the battery control chip is mounted within a housing of the associated battery.

21. A battery unit, comprising:

a battery cell;

a battery control chip; and

means for wirelessly communicating with a control unit.

22. The battery of claim 21, wherein the means for wirelessly communicating is mounted within a housing of the battery unit.

23. The battery of claim 21, wherein the means for wirelessly communicating comprises means for communicating via a wireless local area network connection.

24. The battery of claim 21, wherein the means for wirelessly communicating comprises means for communicating via a near field communication connection.