Lithium-ion battery management system (bms)

Patent metadata

Field	Value
Publication number	US-2024413411-A1
Application number	US-202418679661-A
Country	US
Kind code	A1
Filing date	May 31, 2024
Priority date	Apr 26, 2019
Publication date	Dec 12, 2024
Grant date	—

Abstract

A battery management system (BMS) for use in a rechargeable battery includes a printed circuit board (PCB) having two or more electrically conductive metal plates, the two or more electrically conductive metal plates located adjacent to and spaced apart from each other on the PCB providing an electrically isolating gap between the two or more electrically conductive metal plates; and multiple electronic components of the BMS electrically connected between the two or more electrically conductive metal plates.

First claim

1 . A battery management system (BMS) for use in a rechargeable battery, the BMS comprising:
a printed circuit board (PCB) having two or more electrically conductive metal plates, the two or more electrically conductive metal plates located adjacent to and spaced apart from each other on the PCB providing an electrically isolating gap between the two or more electrically conductive metal plates; and multiple electronic components of the BMS electrically connected between the two or more electrically conductive metal plates.

2 . The BMS according to claim 1 , wherein the multiple electronic components bridge the electrically isolating gap between the two or more electrically conductive metal plates.

3 . The BMS according to claim 1 , wherein the multiple electronic components include multiple MOSFETS and multiple resistors that are coupled between the two or more electrically conductive metal plates.

4 . The BMS according to claim 1 , wherein the two or more electrically conductive metal plates are soldered to electrically conductive metal pads of the PCB for securing the two or more electrically conductive metal plates to the PCB.

5 . The BMS according to claim 4 , wherein the electrically conductive metal pads are located on the PCB so that edges of the two or more electrically conductive metal plates connect with the electrically conductive metal pads to secure the two or more electrically conductive metal plates to the PCB.

6 . The BMS according to claim 5 , wherein the electrically conductive metal pads are located on the PCB so that the two or more electrically conductive metal plates connect by a lower surface with the electrically conductive metal pads to secure the two or more electrically conductive metal plates to the PCB.

7 . The BMS according to claim 4 , wherein the electrically conductive metal pads connect to one or more of the multiple electronic components.

8 . The BMS according to claim 1 , wherein the two or more electrically conductive metal plates are arranged in electrical series.

9 . The BMS according to claim 1 , wherein the two or more electrically conductive metal plates are made of copper plate.

10 . A rechargeable battery, comprising:
one or more battery cells; and a battery management system (BMS) connected with the one or more Li-ion battery cells, the BMS comprising: a printed circuit board (PCB) having two or more electrically conductive metal plates, the two or more electrically conductive metal plates located adjacent to and spaced apart from each other on the PCB providing an electrically isolating gap between the two or more electrically conductive metal plates, and multiple electronic components of the BMS electrically connected between the two or more electrically conductive metal plates.

11 . The rechargeable battery according to claim 10 , wherein the multiple electronic components bridge the electrically isolating gap between the two or more electrically conductive metal plates.

12 . The rechargeable battery according to claim 10 , wherein the multiple electronic components include multiple MOSFETS and multiple resistors that are connected between the two or more electrically conductive metal plates.

13 . The rechargeable battery according to claim 10 , wherein the two or more electrically conductive metal plates are soldered to electrically conductive metal pads of the PCB for securing the two or more electrically conductive metal plates to the PCB.

14 . The rechargeable battery according to claim 13 , wherein the electrically conductive metal pads are located on the PCB so that edges of the two or more electrically conductive metal plates connect with the electrically conductive metal pads to secure the two or more electrically conductive metal plates to the PCB.

15 . The rechargeable battery according to claim 14 , wherein the electrically conductive metal pads are located on the PCB so that the two or more electrically conductive metal plates connect by a lower surface with the electrically conductive metal pads to secure the two or more electrically conductive metal plates to the PCB.

16 . The rechargeable battery according to claim 13 , wherein the electrically conductive metal pads connect to one or more of the multiple electronic components.

17 . The rechargeable battery according to claim 10 , wherein the two or more electrically conductive metal plates are arranged in electrical series.

18 . The rechargeable battery according to claim 10 , wherein the two or more electrically conductive metal plates are made of copper plate.

19 . The rechargeable battery according to claim 10 , wherein the rechargeable battery is a Lithium-Ion (Li-ion) battery and the one or more battery cells are Li-ion battery cells.

Assignees

• Noco Co

Inventors

• Mcbride James P
• Bosway Matthew Michael

Classifications

• H01M50/284

  with incorporated circuit boards, e.g. printed circuit boards [PCB] · CPC title

• H01M2010/4271

  Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing · CPC title

• H01M10/4207

  for several batteries or cells simultaneously or sequentially · CPC title

• H01M10/0525

  Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries · CPC title

• H01M10/425 Primary

  Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing (printed circuits H05K1/00) · CPC title