Integrated alternating current and direct current supply in a battery device

Patent metadata

Field	Value
Publication number	US-11961978-B2
Application number	US-202117306230-A
Country	US
Kind code	B2
Filing date	May 3, 2021
Priority date	Jul 31, 2020
Publication date	Apr 16, 2024
Grant date	Apr 16, 2024

Abstract

Devices, systems, methods, computer-implemented methods, and/or computer program products to facilitate an intelligent battery cell with integrated monitoring and switches are provided. According to an embodiment, a device can comprise active battery cell material. The device can further comprise an internal circuit coupled to the active battery cell material and comprising: one or more switches coupled to battery cell poles of the device; and a processor that operates the one or more switches to provide a defined value of electric potential at the battery cell poles.

First claim

What is claimed is:

1. A battery device, comprising:
battery cells, wherein each battery cell of the battery cells comprises:
active battery cell material; and
an internal circuit coupled to the active battery cell material and comprising:
a processor that controls the battery cell to provide a defined value of electric potential at a first set of battery cell poles of the battery cell, wherein the processor uses electrical energy from the active battery cell material to operate, and wherein the battery cells are coupled to one another to provide a second defined value of electric potential at second set of battery cell poles of the battery device.

2. The battery device of claim 1 , wherein one or more first battery cells of the battery cells comprise at least one of a different physical size, a different chemical composition, or a different electrical capacity than one or more second battery cells of the battery cells.

3. The battery device of claim 1 , wherein the battery cells respectively operate based on at least one of a defined operation mode, a defined duty cycle, or a defined discharge priority level to provide at least one of the defined value of electric potential at the respective first sets of battery cell poles of the battery cells or the second defined value of electric potential at the second set of battery cell poles of the battery device.

4. The battery device of claim 1 , wherein the battery cells respectively operate based on at least one of a defined operation mode, a defined duty cycle, or a defined discharge priority level to provide at least one of the defined value of electric potential at the respective first sets of battery cell poles of the battery cells or the second defined value of electric potential at the second set of battery cell poles of the battery device, and wherein the defined operation mode comprises an off mode indicative of a zero value of electric potential, a bypass mode indicative of the zero value of electric potential, a positive mode indicative of a positive value of electric potential, and a negative mode indicative of a negative value of electric potential.

5. The battery device of claim 1 , wherein the battery cells respectively operate based on at least one of a defined operation mode, a defined duty cycle, or a defined discharge priority level to eliminate one or more load balancing components that balance discharge of respective electrical energy from the battery cells to provide the second defined value of electric potential at the second battery cell poles of the battery device.

6. The device of claim 1 , wherein one or more first battery cell devices of the battery cells comprise one or more first communication components that use at least one of a wired communication network or a wireless communication network to provide data corresponding to the one or more first battery cells to one or more second communication components of one or more second battery cells of the battery cells.

7. The device of claim 1 , wherein one or more first battery cells of the battery cells change at least one of a defined operation mode, a defined duty cycle, or a defined discharge priority level of the one or more first battery cells based on data received from one or more second battery cells of the battery cells that corresponds to the one or more second battery cells.

8. A computer-implemented method, comprising:
providing, by a battery device, via respective processors within battery cells of the battery device, respective defined values of electric potential at respective first sets of battery cell poles of the battery cells using internal circuits of the battery cells, wherein the respective processors are powered using respective electrical energy stored in the battery cells; and
yielding, by the battery device, a second defined value of electric potential at second battery cell poles of the battery device based on the providing.

9. The computer-implemented method of claim 8 , wherein one or more first battery cells of the battery cells comprise at least one of a different physical size, a different chemical composition, or a different electrical capacity than one or more second battery cells of the battery cells.

10. The computer-implemented method of claim 8 , further comprising:
operating, by the battery device, respectively, the battery cells based on at least one of a defined operation mode, a defined duty cycle, or a defined discharge priority level; and
providing, by the battery device, at least one of the defined value of electric potential or the second defined value of electric potential based on the operating.

11. The computer-implemented method of claim 8 , further comprising:
operating, by the battery device, respectively, the battery cells based on at least one of a defined operation mode, a defined duty cycle, or a defined discharge priority level; and
providing, by the battery device, at least one of the defined value of electric potential or the second defined value of electric potential based on the operating, wherein the defined operation mode comprises an off mode indicative of a zero value of electric potential, a bypass mode indicative of the zero value of electric potential, a positive mode indicative of a positive value of electric potential, and a negative mode indicative of a negative value of electric potential.

12. The computer-implemented method of claim 8 , further comprising:
operating, by the battery device, respectively, the battery cells based on at least one of a defined operation mode, a defined duty cycle, or a defined discharge priority level to eliminate one or more load balancing components that balance discharge of respective electrical energy from the battery cells to provide the second defined value of electric potential.

13. The computer-implemented method of claim 8 , further comprising:
employing, by the battery device, one or more first communication components of one or more first battery cells of the battery cells to provide, using at least one of a wired communication network or a wireless communication network, data corresponding to the one or more first battery cells to one or more second communication components of one or more second battery cells of the battery cells.

14. The computer-implemented method of claim 8 , further comprising:
receiving, by the battery device, from one or more first battery cells of the battery cells, data that corresponds to the one or more first battery cells; and
changing, by the battery device, at least one of a defined operation mode, a defined duty cycle, or a defined discharge priority level of one or more second battery cells based on the data.

15. The battery device of claim 1 , wherein each battery cell further comprises a transceiver.

16. The battery device of claim 15 , wherein the transceiver performs wireless communications.

17. The battery device of claim 15 , wherein the transceiver performs wired communications.

18. The computer-implemented method of claim 8 , wherein each battery cell further comprises a transceiver.

19. The battery device of claim 18 , further comprising communicating, by the battery device, with the transceiver of a battery cell of the battery cells using wireless communications.

20. The battery device of claim 18 , further comprising communicating, by the battery device, with the transceiver of a battery cell of the battery cells using wired communications.

Assignees

• Volvo Car Corp

Inventors

• Forssell Jonas
• Eriksson Robert

Classifications

• H02J7/80

  including monitoring or indicating arrangements · CPC title

• H02J7/50

  acting upon multiple batteries simultaneously or sequentially · CPC title

• H02J2105/37

  exchanging power with electric vehicles [EV] or with hybrid electric vehicles [HEV] · CPC title

• H02J7/865

  Battery or charger load switching, e.g. concurrent charging and load supply (H02J7/50 takes precedence) · CPC title

• H02J7/82

  Control of state of charge [SOC] · CPC title