Cellular flexible battery cells

Patent metadata

Field	Value
Publication number	US-10784474-B2
Application number	US-201615085997-A
Country	US
Kind code	B2
Filing date	Mar 30, 2016
Priority date	Mar 30, 2016
Publication date	Sep 22, 2020
Grant date	Sep 22, 2020

Abstract

These present disclosure provides a flexible battery comprising a top layer and a bottom layer coupled at a number of attachment points to form chambers within the battery to retain a shape of the battery under an increase in internal pressure. The flexible battery can include an anode and separator and a cathode, where the separator is a flexible polymer.

First claim

What is claimed is:

1. A flexible battery comprising:
a top flexible layer;
a bottom flexible layer, the bottom flexible layer directly coupled to the top flexible layer at a plurality of attachment points to form a plurality of chambers;
a separator disposed between the top flexible layer and the bottom flexible layer, the separator comprising a flexible polymer electrolyte material;
an anode disposed between the separator and the top flexible layer; and
a cathode disposed between the separator and the bottom flexible layer.

2. The flexible battery of claim 1 , the attachment points to maintain a shape of each of the plurality of chambers under an increase in internal pressure.

3. The flexible battery of claim 2 , comprising a plurality of battery cells, each of the chambers a one of the plurality of battery cells.

4. The flexible battery of claim 1 , wherein the plurality of chambers are at least partially open to each other.

5. The flexible battery of claim 4 , the anode comprising a first fluid material and the cathode comprising a second fluid material, the first fluid material and the second fluid material to flow between the plurality of chambers on respective sides of the separator.

6. The flexible battery of claim 1 , comprising:
an anode current collector disposed between the separator and the top flexible layer; and
a cathode current collector disposed between the separator and the bottom flexible layer.

7. A system comprising:
a processing component; and
a battery operably coupled to the processing component, the battery comprising:
a top flexible layer;
a bottom flexible layer, the bottom flexible layer directly coupled to the top flexible layer at a plurality of attachment points to form a plurality of chambers;
a separator disposed between the top flexible layer and the bottom flexible layer, the separator comprising a flexible polymer electrolyte material;
an anode disposed between the separator and the top flexible layer; and
a cathode disposed between the separator and the bottom flexible layer.

8. The system of claim 7 , the attachment points to maintain a shape of each of the plurality of chambers under an increase in internal pressure.

9. The system of claim 8 , the battery comprising a plurality of battery cells, each of the chambers a one of the plurality of battery cells.

10. The system of claim 7 , wherein the plurality of chambers are at least partially open to each other.

11. The system of claim 10 , the anode comprising a first fluid material and the cathode comprising a second fluid material, the first fluid material and the second fluid material to flow between the plurality of chambers on respective sides of the separator.

12. The system of claim 7 , the battery comprising
an anode current collector disposed between the separator and the top flexible layer; and
a cathode current collector disposed between the separator and the bottom flexible layer.

13. The system of claim 7 , comprising a communication interface operably coupled to the processing component.

14. A wearable device comprising:
a housing to be worn by a user; and
a battery disposed within the housing, the battery comprising:
a top flexible layer;
a bottom flexible layer, the bottom flexible layer directly coupled to the top flexible layer at a plurality of attachment points to form a plurality of chambers;
a separator disposed between the top flexible layer and the bottom flexible layer, the separator comprising a flexible polymer electrolyte material;
an anode disposed between the separator and the top flexible layer; and
a cathode disposed between the separator and the bottom flexible layer.

15. The wearable device of claim 14 , the attachment points to maintain a shape of each of the plurality of chambers under an increase in internal pressure.

16. The wearable device of claim 15 , the battery comprising a plurality of battery cells, each of the chambers a one of the plurality of battery cells.

17. The wearable device of claim 14 , wherein the plurality of chambers are at least partially open to each other.

18. The wearable device of claim 17 , the anode comprising a first fluid material and the cathode comprising a second fluid material, the first fluid material and the second fluid material to flow between the plurality of chambers on respective sides of the separator.

19. The wearable device of claim 14 , the battery comprising
an anode current collector disposed between the separator and the top flexible layer; and
a cathode current collector disposed between the separator and the bottom flexible layer.

20. The flexible battery of claim 1 , wherein the anode and the cathode comprising a mesh structure and wherein the top flexible layer is mechanically coupled to the bottom flexible layer at the plurality of attachment points between gaps in the mesh structure.

21. The system of claim 7 , wherein the anode and the cathode comprising a mesh structure and wherein the top flexible layer is mechanically coupled to the bottom flexible layer at the plurality of attachment points between gaps in the mesh structure.

22. The wearable device of claim 14 , wherein the anode and the cathode comprising a mesh structure and wherein the top flexible layer is mechanically coupled to the bottom flexible layer at the plurality of attachment points between gaps in the mesh structure.

Assignees

• Intel Corp

Inventors

• Keates Andrew
• Matsumura Naoki

Classifications

• H01M4/76 Primary

  Containers for holding the active material, e.g. tubes, capsules · CPC title

• H01M50/136

  Flexibility or foldability · CPC title

• H01M50/105

  Pouches or flexible bags · CPC title

• Y02P70/50

  Manufacturing or production processes characterised by the final manufactured product · CPC title

• H01M4/368 Primary

  Liquid depolarisers · CPC title