Solid-state battery

Patent metadata

Field	Value
Publication number	US-10446873-B2
Application number	US-201615395400-A
Country	US
Kind code	B2
Filing date	Dec 30, 2016
Priority date	Dec 30, 2016
Publication date	Oct 15, 2019
Grant date	Oct 15, 2019

Abstract

In one example, a battery includes a cathode, an anode, and a layer between the cathode and the anode. The cathode includes a solid-state electrolyte. The layer between the cathode and the anode is a solid-state electrolyte layer.

First claim

What is claimed is:

1. A battery comprising:
a cathode including a solid-state electrolyte;
an anode; and
a solid-state electrolyte layer between the cathode and the anode, wherein a thickness of the solid-state electrolyte layer is 1 μm or less;
wherein an ionic conductivity of the solid-state electrolyte included in the cathode is higher than an ionic conductivity of the solid-state electrolyte layer; and
wherein the solid-state electrolyte included in the cathode is a different type of solid-state electrolyte than the solid-state electrolyte included in the solid-state electrolyte layer.

2. The battery of claim 1 , wherein the solid-state electrolyte included in the cathode is a polymer solid-state electrolyte.

3. The battery of claim 2 , wherein the polymer solid-state electrolyte is polyethylene oxide.

4. The battery of claim 1 , wherein the solid-state electrolyte included in the cathode is a sulfide solid-state electrolyte.

5. The battery of claim 4 , wherein the sulfide solid-state electrolyte is Li 10 GeP 2 S 12 .

6. The battery of claim 1 , wherein the solid-state electrolyte layer is a ceramic solid-state electrolyte layer.

7. The battery of claim 6 , wherein the ceramic solid-state electrolyte layer is lithium phosphate oxynitride.

8. The battery of claim 1 , wherein the anode includes a solid-state electrolyte.

9. The battery of claim 1 , wherein the battery is one or more of a lithium ion battery, a lithium sulfur battery, a magnesium ion battery, or an aluminum ion battery.

10. The battery of claim 1 , wherein the solid-state electrolyte included in the cathode is a polymer solid-state electrolyte and the solid-state electrolyte layer is a ceramic solid-state electrolyte layer.

11. The battery of claim 1 , wherein the solid-state electrolyte included in the cathode is a sulfide solid-state electrolyte and the solid-state electrolyte layer is a ceramic solid-state electrolyte layer.

12. The battery of claim 1 , wherein the solid-state electrolyte included in the cathode is a particle sulfide solid-state electrolyte and the solid-state electrolyte layer is a thin-film sulfide solid-state electrolyte layer.

13. The battery of claim 1 , wherein the anode is lithium metal.

14. The battery of claim 1 , wherein the ionic conductivity of the solid-state electrolyte included in the cathode is in a range of 10 −2 siemens per centimeter to 10 −3 siemens per centimeter.

15. The battery of claim 1 , wherein a thickness of the battery is approximately 100 μm.

16. The battery of claim 1 , wherein the solid-state electrolyte included in the cathode is a polymer or a sulfide, and the solid-state electrolyte layer is a ceramic solid-state electrolyte layer.

17. The battery of claim 1 , wherein the ionic conductivity of the solid-state electrolyte included in the cathode is in a range of approximately 10 −2 siemens per centimeter to 10 −3 siemens per centimeter, and wherein the ionic conductivity of the solid-state electrolyte is on the order of approximately 10 −6 siemens per centimeter.

18. A method of manufacturing a battery comprising:
forming a cathode including a solid-state electrolyte;
forming an anode; and
forming a solid-state electrolyte layer between the cathode and the anode,
wherein a thickness of the solid-state electrolyte layer is 1 μm or less;
wherein an ionic conductivity of the solid-state electrolyte included in the cathode is higher than an ionic conductivity of the solid-state electrolyte layer; and
wherein the solid-state electrolyte included in the cathode is a different type of solid-state electrolyte than the solid-state electrolyte included in the solid-state electrolyte layer.

19. The method of claim 18 , wherein the solid-state electrolyte included in the cathode is a polymer solid-state electrolyte.

20. The method of claim 18 , wherein the solid-state electrolyte included in the cathode is a sulfide solid-state electrolyte.

21. The method of claim 18 , wherein the solid-state electrolyte layer is a ceramic solid-state electrolyte layer.

22. The method of claim 18 , wherein the anode includes a solid-state electrolyte.

23. The method of claim 18 , wherein the battery is one or more of a lithium ion battery, a lithium sulfur battery, a magnesium ion battery, or an aluminum ion battery.

24. The method of claim 18 , wherein the anode is lithium metal.

25. The method of claim 18 , wherein the ionic conductivity of the solid-state electrolyte included in the cathode is in a range of 10 −2 siemens per centimeter to 10 −3 siemens per centimeter.

26. The method of claim 18 , wherein the battery is fabricated using physical vapor deposition.

27. The method of claim 18 , wherein the solid-state electrolyte included in the cathode is a polymer or a sulfide, and the solid-state electrolyte layer is a ceramic solid-state electrolyte layer.

28. The method of claim 18 , wherein the ionic conductivity of the solid-state electrolyte included in the cathode is in a range of approximately 10 −2 siemens per centimeter to 10 −3 siemens per centimeter, and wherein the ionic conductivity of the solid-state electrolyte is on the order of approximately 10 −6 siemens per centimeter.

Assignees

• Intel Corp

Inventors

• Matsumura Naoki
• Keates Andrew

Classifications

• H01M10/054

  Accumulators with insertion or intercalation of metals other than lithium, e.g. with magnesium or aluminium · CPC title

• H01M4/364

  as mixtures · CPC title

• H01M10/0562 Primary

  Solid materials · CPC title

• H01M10/0565

  Polymeric materials, e.g. gel-type or solid-type · CPC title

• H01M4/382

  Lithium (H01M4/405 takes precedence) · CPC title