CERAMIC LITHIUM BATTERY WITH PIEZOELECTRIC COMPENSATION LAYERS

1 . A solid-state battery cell comprising:

a cathode region;

an anode region;

a separator interconnecting the cathode region and the anode region, the separator including a solid-state electrolyte;

a cathode current collector on a surface of the cathode region;

an anode current collector on a surface of the anode region;

a first piezoelectric layer on a surface of the cathode current collector opposite the cathode region; and

a second piezoelectric layer on a surface of the anode current collector opposite the anode region.

2 . The solid-state battery cell of claim 1 , wherein at least one of the first piezoelectric layer and the second piezoelectric layer is powered by a voltage source separate from the solid-state battery cell.

3 . The solid-state battery cell of claim 1 , wherein at least one of the first piezoelectric layer and the second piezoelectric layer is powered by the solid-state battery cell.

4 . The solid-state battery cell of claim 1 , wherein the solid-state electrolyte comprises a ceramic electrolyte.

5 . The solid-state battery cell of claim 1 , wherein at least one of the first piezoelectric layer and the second piezoelectric layer comprise a ceramic material.

6 . The solid-state battery cell of claim 5 , wherein the ceramic material is a 3D-printed ceramic material.

7 . The solid-state battery cell of claim 1 , wherein the anode region comprises a lithium anode.

8 . A solid-state battery cell comprising:

a cathode region;

a first anode region;

a second anode region on an opposite side of the cathode region from the first anode region;

a first separator interconnecting the cathode region and the first anode region, the first separator including a first solid-state electrolyte;

a second separator interconnecting the cathode region and the second anode region, the second separator including a second solid-state electrolyte;

a first anode current collector on a surface of the first anode region;

a second anode current collector on a surface of the second anode region;

a first piezoelectric layer on a surface of the first anode current collector; and

a second piezoelectric layer on a surface of the second anode current collector.

9 . The solid-state battery cell of claim 8 , wherein at least one of the first piezoelectric layer and the second piezoelectric layer is connected to a voltage source.

10 . The solid-state battery cell of claim 8 , wherein at least one of the first solid-state electrolyte and the second solid-state electrolyte comprises a ceramic electrolyte.

11 . The solid-state battery cell of claim 8 , wherein at least one of the first anode region and the second anode region comprises a lithium anode.

12 . A battery comprising:

a plurality of solid-state cells arranged in a stack, the stack including a first cell at a first end thereof and a last cell at a second end thereof opposite the first end, each of the plurality of cells comprising:

a cathode region;

an anode region;

a separator interconnecting the cathode region and the anode region, the separator including a solid-state electrolyte;

a cathode current collector on a surface of the cathode region of the first cell;

an anode current collector on a surface of the anode region of the last cell;

a first piezoelectric layer on a surface of the cathode current collector; and

a second piezoelectric layer on a surface of the anode current collector.

13 . The battery of claim 12 , wherein at least one of the first piezoelectric layer and the second piezoelectric layer is connected to a voltage source located inside the battery.

14 . The battery of claim 12 , wherein at least one of the first piezoelectric layer and the second piezoelectric layer is connected to one or more of the plurality of solid-state cells.

15 . The battery of claim 14 , wherein:

the battery is encased in a receptacle; and

a voltage source is inside the receptacle.

16 . A battery comprising:

a plurality of solid-state cells arranged in a stack, the stack including a first cell at a first end thereof and a last cell at a second end thereof opposite the first end, each of the plurality of cells comprising:

a cathode region;

a first anode region;

a second anode region on an opposite side of the cathode region from the first anode region;

a first separator interconnecting the cathode region and the first anode region, the first separator including a first solid-state electrolyte;

a second separator interconnecting the cathode region and the second anode region, the second separator including a second solid-state electrolyte;

a first anode current collector on a surface of the first anode region of the first cell;

a second current collector on a surface of the second anode region of the last cell;

a first piezoelectric layer on a surface of the first anode current collector; and

a second piezoelectric layer on a surface of the second anode current collector.

17 . A method of operating the solid-state battery cell of claim 1 , the method comprising:

detecting a first voltage at one of the first piezoelectric layer and the second piezoelectric layer; and

when the first voltage is a non-zero voltage, applying a second voltage to the one of the first piezoelectric layer and the second piezoelectric layer.

18 . The method of claim 17 , further comprising having the at least one of the first piezoelectric layer and the second piezoelectric layer generate pressure against an adjacent layer due to the applied second voltage.

19 . The method of claim 17 , wherein the applied second voltage is equal to the detected first voltage.