Reduced temperature energy storage device
View Patent ↗An energy storage system is disclosed. The energy storage system includes a first energy storage cell, a second energy storage cell, and a first interconnect connecting the first and second cells. The interconnect includes a support member and a plurality of protrusions extending away from the support member. At least two protrusions are spaced relative to each other along a longitudinal axis of the interconnect.
1. An energy storage system, comprising:
a first energy storage cell;
a second energy storage cell; and
a first interconnect configured to electrically connect the first energy storage cell and the second energy storage cell in series, the interconnect comprising:
a support member configured to extend between the first energy storage cell and the second energy cell in a first direction; and
a plurality of protrusions extending upwardly away from the support member, at least one protrusion extending a height H from the support member and having a width W in the first direction, and a depth D in a second direction orthogonal to the first direction, wherein a ratio of the width W to the depth D is less than or equal to 2:1; and
a plurality of dimples disposed on a bottom surface of the support member.
2. The energy storage system of claim 1 , wherein a ratio of the depth D to the width W is less than or equal to 2:1.
3. The energy storage system of claim 1 , wherein a ratio of the height H relative to at least one of the depth D and the width W is less than or equal to 2:1.
4. The energy storage system of claim 3 , wherein a top portion of the at least one protrusion is an approximately semi-spherical shape.
5. The energy storage system of claim 4 , wherein the at least one protrusion extends upward from a top surface of the support member, and wherein a dimple from the plurality of dimples is formed on the bottom surface of the support member corresponding to each of the at least one protrusions.
6. The energy storage system of claim 1 , further comprising a cover configured to cover the first and the second energy storage cells, wherein an aperture extends through a thickness of the cover, the aperture configured to receive and seal the cover with at least a portion of a corresponding interconnect.
7. The energy storage system of claim 6 , wherein the cover includes an inner facing perimeter formed within the aperture, wherein an outer facing perimeter of the support member is configured to engage with at least a portion of the inner facing perimeter of the cover.
8. The energy storage system of claim 7 , wherein the inner facing perimeter comprises a first portion and a second portion, and wherein the outer facing perimeter of the support member extends laterally past the first portion and engages with the second portion.
9. The energy storage system of claim 1 , wherein at least one of the plurality of protrusions comprises an approximately rectangular cross-sectional shape.
10. The energy storage system of claim 9 , wherein the at least one protrusion is tapered along its height H.
11. The energy storage system of claim 1 , wherein the plurality of protrusions comprise at least two protrusions spaced relative to each other along a longitudinal axis of the interconnect.
12. The energy storage system of claim 11 , wherein the plurality of protrusions comprise a matrix of at least two rows of protrusions and two columns of protrusions.
13. The energy storage system of claim 1 , wherein a gap extends between an outer facing perimeter of the support member and the plurality of protrusions.
14. The energy storage system of claim 1 , wherein the first energy storage cell comprises an ultracapacitor.
15. The energy storage system of claim 1 , further comprising:
a second interconnect electrically connecting a third energy storage cell and a fourth energy storage cell in series;
a housing configured to contain the first, second, third and fourth energy storage cells; and
a first channel and a second channel extending along a common side of the housing, wherein, when the first, second, third and fourth energy storage cells are contained within the inner volume, the first channel is in fluid communication with the first interconnect, and the second channel is in fluid communication with the second interconnect.
16. An energy storage system, comprising:
a first energy storage cell;
a second energy storage cell; and
an interconnect electrically connecting the first energy storage cell and the second energy storage cell in series along a longitudinal axis, the interconnect comprising:
a support member;
a plurality of protrusions extending upwardly away from the support member, wherein the plurality of protrusions comprise at least two protrusions spaced relative to each other along the longitudinal axis of the interconnect; and
a plurality of dimples formed on a bottom surface of the support member.
17. The energy storage system of claim 16 , wherein the at least two protrusions comprise a matrix of at least two rows of protrusions and two columns of protrusions.
18. The energy storage system of claim 16 , wherein a top portion of at least one protrusion is an approximately semi-spherical shape.
19. The energy storage system of claim 16 , further comprising a cover configured to cover at least a portion of the first and the second energy storage cells, wherein an aperture extends through a thickness of the cover, the aperture configured to receive and seal the cover with the support member.
20. The energy storage system of claim 19 , wherein the cover includes an inner facing perimeter formed within the aperture, wherein an outer facing perimeter of the support member is configured to engage with at least a portion of the inner facing perimeter of the cover.
21. The energy storage system of claim 20 , wherein the inner facing perimeter comprises a first portion and a second portion, and wherein the outer facing perimeter of the support member extends laterally past the first portion and engages with the second portion.
22. The energy storage system of claim 16 , wherein a gap extends between an outer facing perimeter of the support member and the plurality of protrusions.
23. The energy storage system of claim 16 , wherein at least one protrusion extends a height H from the support member and has a width W in a first direction parallel to the longitudinal axis, and a depth D in a second direction orthogonal to the first direction, wherein a ratio of the width W to the depth D is less than or equal to 2:1.
24. The energy storage system of claim 23 , wherein at least one of the plurality of protrusions comprises an approximately rectangular cross-sectional shape.
25. The energy storage system of claim 24 , wherein the at least one protrusion is tapered along its height H.
26. The energy storage system of claim 24 , wherein a ratio of the height H relative to at least one of the depth D and the width W is less than or equal to 2:1.
27. The energy storage system of claim 16 , wherein the at least two protrusions extends upward from a top surface of the support member, and wherein a dimple from the plurality of dimples is formed on the bottom surface of the support member corresponding to each of the at least two protrusions.