Deformable origami batteries

Patent metadata

Field	Value
Publication number	US-10153519-B2
Application number	US-201415104217-A
Country	US
Kind code	B2
Filing date	Dec 24, 2014
Priority date	Dec 27, 2013
Publication date	Dec 11, 2018
Grant date	Dec 11, 2018

Abstract

The invention is drawn to a lithium-ion battery containing a packaging material, an anode current collector, an anode electrode, a separator, a cathode electrode, and a cathode current collector, wherein those components are layered to form a planar battery. The planar battery is folded using rigid origami, such as Miura folding, to yield a folded, deformable lithium-ion battery.

First claim

What is claimed is:

1. A lithium-ion battery comprising:
a packaging material;
an anode current collector;
an anode electrode;
a separator;
a cathode electrode; and
a cathode current collector;
wherein the packaging material, the anode current collector, the anode electrode, the separator, the cathode electrode, and the cathode current collector are layered to form a planar lithium-ion battery, and the planar lithium-ion battery is folded using rigid origami to yield a deformable lithium-ion battery.

2. The lithium-ion battery of claim 1 , wherein the anode current collector comprises a carbon-nanotube-coated paper substrate or a metal foil.

3. The lithium-ion battery of claim 2 , wherein the metal foil comprises copper or aluminum.

4. The lithium-ion battery of claim 1 , wherein the cathode current collector comprises a carbon-nanotube-coated paper substrate or a metal foil.

5. The lithium-ion battery of claim 1 , wherein the maximum output power of the deformable lithium-ion battery changes less than 1% while the deformable lithium-ion battery undergoes 1300% linear deformation.

6. The lithium-ion battery of claim 1 , wherein the maximum output power of the deformable lithium-ion battery changes less than 1% while the deformable lithium-ion battery undergoes twisting of 10.8° per cm.

7. The lithium-ion battery of claim 1 , wherein the maximum output power of the deformable lithium-ion battery changes less than 1% while the deformable lithium-ion battery is bent with a bending radius of 0.83 cm.

8. The lithium-ion battery of claim 1 , wherein the packaging material comprises polyethylene.

9. The lithium-ion battery of claim 8 , wherein the packaging material comprises aluminized polyethylene.

10. The lithium-ion battery of claim 1 , wherein the packaging material comprises a monochlorosubstituted poly(para-xylylene).

11. The lithium-ion battery of claim 1 , wherein a thickness of the planar lithium-ion battery is less than 500 μm.

12. The lithium-ion battery of claim 1 , wherein the rigid origami comprises Miura folding.

13. The lithium-ion battery of claim 12 , wherein the Miura folding is a 45° Miura folding.

14. The lithium-ion battery of claim 12 , wherein the Miura folding is a 90° Miura folding.

15. The lithium-ion battery of claim 12 , wherein the Miura folding can be other rigid origami folding.

16. A method of making a lithium-ion battery, the method comprising:
layering a packaging material, an anode current collector, an anode electrode, a separator, a cathode electrode, and a cathode current collector to form a planar lithium-ion battery; and
folding the planar lithium-ion battery using rigid origami to yield a deformable lithium-ion battery.

17. The method of claim 16 , wherein the anode current collector comprises a carbon-nanotube-coated paper substrate or a metal foil.

18. The lithium-ion battery of claim 16 , wherein the cathode current collector comprises a carbon-nanotube-coated paper substrate or a metal foil.

19. The lithium-ion battery of claim 18 , wherein the metal foil comprises copper or aluminum.

20. The method of claim 16 , wherein folding the planar lithium-ion battery using rigid origami comprises Miura folding.

21. The method of claim 20 , wherein the Miura folding is a 45° Miura folding.

22. The method of claim 21 , further comprising completely compressing the deformable lithium-ion battery in one direction.

23. The method of claim 20 , wherein the Miura folding is a 90° Miura folding.

24. The method of claim 23 , further comprising completely collapsing the deformable lithium-ion battery in biaxial directions.

25. The method of claim 16 , further comprising deforming the deformable lithium-ion battery, wherein the maximum output power of the deformable lithium-ion battery changes less than 1% while the deformable lithium-ion battery undergoes 1300% linear deformation.

26. The method of claim 16 , further comprising twisting the deformable lithium-ion battery, wherein the maximum output power of the deformable lithium-ion battery changes less than 1% while the deformable lithium-ion battery undergoes twisting of 10.8° per cm.

27. The method of claim 16 , further comprising bending the deformable lithium-ion battery, wherein the maximum output power of the deformable lithium-ion battery changes less than 1% while the deformable lithium-ion battery undergoes bending with a bending radius of 0.83 cm.

Assignees

• Univ Arizona State

Inventors

• Jiang Hanqing
• Yu Hongyu
• Song Zeming

Classifications

• H01M50/136

  Flexibility or foldability · CPC title

• H01M50/466

  U-shaped, bag-shaped or folded · CPC title

• H01M50/133

  Thickness · CPC title

• H01M50/119

  Metals · CPC title

• H01M50/121

  Organic material · CPC title