Hybrid thin-film battery
View Patent ↗An electrochemical device is claimed and disclosed wherein certain embodiments have a cathode greater than about 4 μm and less than about 200 μm thick; a thin electrolyte less than about 10 μm thick; and an anode less than about 30 μm thick. Another claimed and disclosed electrochemical device includes a cathode greater than about 0.5 μm and less than about 200 μm thick; a thin electrolyte less than about 10 μm thick; and an anode less than about 30 μm thick, wherein the cathode is fabricated by a non-vapor phase deposition method. A non-vacuum deposited cathode may be rechargeable or non-rechargeable. The cathode may be made of CF x (carbon fluoride) material, wherein, for example, 0<x<4. The electrochemical device may also include a substrate, a current collector, an anode current collector, encapsulation and a moderating layer.
1. An electrochemical device comprising:
a non-vapor phase deposited positive cathode greater than about 0.5 μm and less than about 200 μm thick;
a layer on the positive cathode;
a vapor phase deposited electrolyte less than about 10 μm thick over the layer on said positive cathode;
a negative anode less than about 30 μm thick is positioned directly on the vapor phase deposited electrolyte; and
wherein said electrochemical device is non-rechargeable.
2. An electrochemical device comprising: a positive cathode greater than about 4 μm and less than about 200 μm thick; an electrolyte less than about 10 μm thick; a negative anode less than about 30 μm thick; and wherein said cathode comprises CF X material.
3. The electrochemical device of claim 2 wherein x falls within the range of 0 to 4.
4. The electrochemical device of claim 1 comprising a non-rechargeable cathode consisting of CF X material.
5. The electrochemical device of claim 4 , wherein x falls within the range of 0 to 4.
6. The electrochemical device of claim 1 further comprising: a positive cathode greater than about 4 μm and less than about 200 μm thick.
7. The electrochemical device of claim 3 comprising a non-rechargeable cathode consisting of CF X material.
8. An electrochemical device comprising:
a non-vapor phase deposited cathode;
an anode; and
a vapor phase deposited electrolyte less than about 10 μm thick and positioned directly on the anode;
a layer between the cathode and the electrolyte; and
wherein said electrochemical device is non-rechargeable.
9. An electrochemical device comprising:
a non-vapor phase deposited cathode;
an anode; and
a vapor phase deposited electrolyte less than about 10 μm thick and positioned directly on the anode;
a layer between the cathode and the electrolyte; and
wherein said cathode comprises CF X material, and wherein x falls within the range of 0 to 4.
10. The electrochemical device of claim 6 comprising a non-rechargeable cathode consisting of CF X material.
11. A method of manufacturing an electrochemical device comprising:
depositing a positive cathode comprising CFX that is greater than about 0.5 μm and less than about 200 μm thick;
depositing an electrolyte that is less than about 10 μm thick; depositing a negative anode that is less than about 30 μm thick; and depositing said positive cathode by a non-vapor phase deposition process.
12. The method of claim 11 wherein x falls within the range of 0 to 4.
13. A method of manufacturing an electrochemical device comprising: depositing a cathode comprising CF X using a non-vapor phase deposition process; depositing an electrolyte that is less than about 10 μm thick; and depositing an anode.
14. The electrochemical device of claim 1 , wherein the layer is absorbed into the cathode.
15. The electrochemical device of claim 8 , wherein the layer is absorbed into the cathode.
16. The electrochemical device of claim 9 , wherein the layer is absorbed into the cathode.