Electrolytic capacitor
The electrolytic capacitor has a conductive sheet with a central portion defined by a peripheral edge, a first tail extending out from the peripheral edge in a first direction, and a second tail extending out from the peripheral edge in a second direction. The second direction is opposite the first direction. The first tail and the second tail each have a free end with a first recess at the free.
1. A cathode, comprising:
a conductive sheet having a central portion defined by a peripheral edge,
a first tail extending out from the peripheral edge in a first direction, and
a second tail extending out from the peripheral edge in a second direction opposite the first direction,
wherein each of the first tail and the second tail has a first recess at a free end thereof.
2. The cathode of claim 1 , wherein the conductive sheet includes:
at least two second recesses extending inward from the peripheral edge of the central portion, one of the second recesses being located adjacent to a connected end of the first tail, and another of the second recesses being located adjacent to a connected end of the second tail.
3. The cathode of claim 1 , wherein the conductive sheet includes:
a first pair of second recesses extending inward from the peripheral edge of the central portion adjacent to and on opposite sides of a connected end of the first tail; and
a second pair of second recesses extending inward from the peripheral edge of the central portion adjacent to and on opposite sides of a connected end of the second tail.
4. The cathode of claim 3 , wherein each of the first tail and the second tail has a pair of first recesses at the free end thereof.
5. A device, comprising:
a conductive anode;
a dielectric material disposed on a surface of the conductive anode;
a conductive cathode;
a separator disposed between the anode and the cathode; and
an electrolyte disposed between the anode and the cathode,
wherein the conductive cathode includes:
a first conductive sheet having a central portion defined by a peripheral edge;
a first tail extending out from the peripheral edge in a first direction; and
a second tail extending out from the peripheral edge in a second direction opposite the first direction,
wherein each of the first tail and the second tail has a first recess at a free end thereof.
6. The device of claim 5 , wherein the cathode further includes:
a first pair of second recesses extending inward from the peripheral edge of the central portion adjacent to and on opposite sides of a connected end of the first tail; and
a second pair of second recesses extending inward from the peripheral edge of the central portion adjacent to and on opposite sides of a connected end of the second tail.
7. The device of claim 6 , wherein each of the first tail and the second tail has a pair of first recesses at the free end thereof.
8. The device of claim 5 , wherein the cathode further includes:
at least two second recesses extending inward from the peripheral edge of the central portion, one of the second recesses being located adjacent to a connected end of the first tail, and another of the second recesses being located adjacent to a connected end of the second tail.
9. The device of claim 8 , wherein the separator comprises:
a non-conductive sheet defined by a peripheral edge; and
at least two third recesses extending inward from the peripheral edge of the non-conductive sheet.
10. The device of claim 9 , wherein the second recesses of the cathode are aligned with the third recesses of the non-conductive sheet.
11. The device of claim 8 , wherein the separator comprises:
a non-conductive sheet defined by a peripheral edge;
a first pair of third recesses extending inward from the peripheral edge on one side of the non-conductive sheet and defining a first edge portion between the first pair of third recesses; and
a second pair of third recesses extending inward from the peripheral edge on a side of the non-conductive sheet opposite the one side and defining a second edge portion between the second pair of third recesses.
12. The device of claim 11 , wherein the first edge portion is aligned with the first tail and the second edge portion is aligned with the second tail.
13. The device of claim 8 , wherein the anode comprises:
a second conductive sheet defined by a peripheral edge; and
at least two fourth recesses extending inward from the peripheral edge of the second conductive sheet.
14. The device of claim 13 , wherein the second recesses of the cathode are aligned with the fourth recesses of the second conductive sheet.
15. The device of claim 8 , wherein the anode comprises:
a second conductive sheet defined by a peripheral edge;
a first pair of fourth recesses extending inward from the peripheral edge on one side of the second conductive sheet and defining a first edge portion between the first pair of fourth recesses; and
a second pair of fourth recesses extending inward from the peripheral edge on a side of the second non-conductive sheet opposite the one side defining a second edge portion between the second pair of fourth recesses.
16. The device of claim 15 , wherein the first edge portion is aligned with the first tail and the second edge portion is aligned with the second tail.
17. The device of claim 5 , wherein the device is an electrolytic capacitor.
18. The device of claim 5 , wherein the separator is permeable to the electrolyte.