IP Library Granted Patent US 11,289,730
Granted Patent B2
US 11,289,730 · App. 14/433,335 · Granted Mar 29, 2022

Flexible batteries

Inventors: Louise Brooks (Washington, DC); John S. Lettow (Washington, DC)
H01M10/0436H01M50/529H01M2220/30
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Quick Facts
Patent No.
US 11,289,730
App. No.
14/433,335
Granted
Mar 29, 2022
Kind
B2
Abstract

Flexible batteries, comprising at least two cells, wherein at least two cells are connected by flexible connectors, such that the battery can be bent. The batteries can be incorporated into clothing and gear.

Claims (22)

1. A battery, comprising:

at least two cells;

wherein

at least two cells are connected by flexible connectors, such that the battery can be bent; and

the flexible connectors comprise graphene sheets.

2. The battery of claim 1 , wherein the cells are pouch cells.

3. The battery of claim 1 , wherein the battery is washable.

4. The battery of claim 1 , wherein the cells have a surface-to-volume ratio of at least about 4:1.

5. The battery of claim 1 , wherein the cells have a maximum thickness of about 1 cm.

6. The battery of claim 1 , wherein the cells are sealed in a waterproof pouch.

7. The battery of claim 1 , wherein the cells have an electrode comprising the graphene sheets.

8. The battery of claim 1 , wherein the battery is a lithium ion battery.

9. The battery of claim 1 , wherein the battery is rechargeable.

10. The battery of claim 1 , wherein the battery is connected to a portable electronic device.

11. The battery of claim 1 , wherein the battery is connected to a heater.

12. An article of clothing or equipment comprising the battery of claim 1 .

13. The article of clothing or equipment of claim 12 , in the form of a belt.

14. The article of clothing or equipment of claim 12 , in the form of a bulletproof vest.

15. The article of clothing or equipment of claim 12 , in the form of a harness.

16. The article of clothing or equipment of claim 12 , in the form of a bandolier.

17. A bag comprising the battery of claim 1 .

18. A battery pack strap comprising the battery of claim 1 .

Continuity (2)
Provisional Application 61709139 · Oct 2, 2012
Related Publication 20150263377A1 · Sep 17, 2015