Full perimeter electrode cell

Patent metadata

Field	Value
Publication number	US-11967738-B2
Application number	US-201916684442-A
Country	US
Kind code	B2
Filing date	Nov 14, 2019
Priority date	Nov 14, 2019
Publication date	Apr 23, 2024
Grant date	Apr 23, 2024

Abstract

Systems, methods, and apparatus for a full perimeter electrode cell are disclosed. In one or more embodiments, a battery comprises a plurality of battery cells. The battery further comprises a plurality of anode electrodes and a plurality of cathode electrodes, of each of the battery cells, arranged around a perimeter of the battery. In at least one embodiment, the anode electrodes and the cathode electrodes, of each of the battery cells, are arranged such that they are alternating around the perimeter of the battery. In some embodiments, there are an equal number of the anode electrodes and the cathode electrodes, for each of the battery cells.

First claim

I claim:

1. A battery, the battery comprising:
a housing;
a body within the housing, the body comprising a plurality of battery cells each of which comprises an anode electrode and a cathode electrode; and
a plurality of anode connection ports and a plurality of cathode connection ports, wherein each of the anode and cathode connection ports is physically accessible from outside of the housing for being physically contacted by an external circuit, the anode and cathode connection ports being arranged around a perimeter of the battery, each of the plurality of anode connection ports providing a connection to each of said anode electrodes, each of the plurality of cathode connection ports providing a connection to each of said cathode electrodes.

2. The battery of claim 1 , wherein the plurality of the anode connection ports and the plurality of the cathode connection ports are arranged such that the anode and cathode connection ports are alternating around the perimeter of the battery.

3. The battery of claim 1 , wherein there are an equal number of the plurality of the anode connection ports and the plurality of the cathode connection ports.

4. The battery of claim 1 , wherein each of the plurality of the battery cells comprises a plurality of layers.

5. The battery of claim 4 , wherein:
the plurality of the layers, of each of the plurality of the battery cells, comprise an isolator layer, an anode layer, a separator layer, and a cathode layer;
each anode layer comprises a corresponding one of the anode electrodes and a plurality of extensions each of which extends to a corresponding one of the plurality of anode connection ports;
each cathode layer comprises a corresponding one of the cathode electrodes and a plurality of extensions each of which extends to a corresponding one of the plurality of cathode connection ports.

6. The battery of claim 5 , wherein the isolator layer comprises an electrical insulator material.

7. The battery of claim 5 , wherein the separator layer comprises an electrolyte material.

8. The battery of claim 5 , wherein the anode layer and the cathode layer both comprise an electrical conductor material.

9. The battery of claim 1 , wherein the battery is one of a pouch battery or a prismatic battery.

10. The battery of claim 1 , wherein each of the plurality of the anode connection ports of the battery is in electrical connection with cathode electrodes of a second battery, and each of the plurality of the cathode connection ports of the battery is in electrical connection with anode electrodes of the second battery.

11. The battery of claim 1 , wherein the body is hermetically sealed within the housing.

12. The battery of claim 1 , wherein each of the plurality of the battery cells is hermetically sealed such that each of the plurality of the battery cells are electrically isolated from one another.

13. The battery of claim 5 , wherein each of the anode connection ports comprises an anode electrode collector tab collecting corresponding ones of the plurality of extensions of each of the plurality of the anode electrodes.

14. The battery of claim 5 , wherein each of the cathode connection ports comprises a cathode electrode collector tab collecting corresponding ones of the plurality of extensions of each of the plurality of the cathode electrodes.

15. The battery of claim 1 , wherein the battery is housed within a portion of a vehicle.

16. The battery of claim 1 , wherein the battery forms a structural component of a vehicle.

17. A method of operating the battery of claim 1 , the method comprising:
applying a load or a charge across the plurality of battery cells of the battery; and
generating a current flowing from the plurality of anode electrodes to the plurality of cathode electrodes of each of the plurality of the battery cells.

18. The method of claim 17 , wherein the anode and cathode connection ports are arranged such that they are alternating around the perimeter of the battery.

19. The method of claim 17 , wherein there are an equal number of the plurality of the anode connection ports and the plurality of the cathode connection ports.

20. The method of claim 17 , wherein each of the plurality of the battery cells comprises a plurality of layers.

21. The battery of claim 1 , wherein the housing electrically isolates the body from external electrical components.

22. The battery of claim 1 , wherein applying a load or a charge through different ones of the anode connection ports and different ones of the cathode connection ports improves charge distribution uniformity across the battery cells.

23. The battery of claim 1 , wherein the body is rectangular, and the connection ports are provided on all four sides of the body.

Assignees

• Boeing Co

Inventors

• Bernhardt Roger D

Classifications

• H01M50/531 Primary

  Electrode connections inside a battery casing · CPC title

• H01M10/0436

  Small-sized flat cells or batteries for portable equipment · CPC title

• H01M10/0585

  of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators · CPC title

• H01M50/533

  characterised by the shape of the leads or tabs · CPC title

• H01M50/54

  Connection of several leads or tabs of plate-like electrode stacks, e.g. electrode pole straps or bridges · CPC title