Metallized current collector devices and materials
Energy storage devices, battery cells, and batteries of the present technology may include a first current collector and a second current collector. At least one of the first current collector and the second current collector may be a non-metal current collector. The battery cell may include a seal between an edge region of the first current collector and an edge region of the second current collector. The seal may contact a first surface of the first current collector and a first surface of the second current collector. The battery cell may also include a metal material coupled with the non-metal current collector on a second surface of the non-metal current collector opposite the first surface.
1. A battery cell comprising:
a first current collector;
a second current collector, wherein at least one of the first current collector and the second current collector comprises a non-metal current collector;
a seal between an edge region of the first current collector and an edge region of the second current collector, wherein the seal contacts a first surface of the first current collector and a first surface of the second current collector; and
a metal material coupled with the non-metal current collector on a second surface of the non-metal current collector opposite the first surface, wherein an anode active material contacts the first surface of the first current collector, wherein a cathode active material contacts the first surface of the second current collector, and wherein a gap in coverage extends across the first surface of the non-metal current collector between the seal and the active material associated with the non-metal current collector.
2. The battery cell of claim 1 , wherein the metal material is located along a region of the second surface of the non-metal current collector opposite the gap in coverage across the first surface of the non-metal current collector.
3. The battery cell of claim 1 , wherein the metal material does not fully extend across a region of the second surface of the non-metal current collector opposite a region of the first surface of the non-metal current collector contacting the active material associated with the non-metal current collector.
4. The battery cell of claim 1 , wherein the non-metal current collector comprises a polymer current collector.
5. The battery cell of claim 1 , wherein the metal material comprises aluminum.
6. The battery cell of claim 1 , wherein both the first current collector and the second current collector comprise a polymer.
7. A multi-cell battery comprising:
a first cell including a first current collector, a first anode, a first cathode, and a second current collector;
a second cell including a third current collector, a second anode, a second cathode, and a fourth current collector, wherein the second current collector and the third current collector are coupled with one another across a portion of a first surface of each of the second current collector and the third current collector;
a first seal between the first current collector and the second current collector;
a second seal between the third current collector and the fourth current collector; and
a metal liner coupled with the first surface of each of the second current collector and the third current collector.
8. The multi-cell battery of claim 7 , wherein the metal liner extends along the first surface of each of the second current collector and the third current collector proximate an intersection of the second current collector and the third current collector.
9. The multi-cell battery of claim 7 , further comprising an insulating tape disposed about an edge region of the first current collector and the second current collector.
10. The multi-cell battery of claim 9 , wherein the metal liner extends along the second current collector beneath the insulating tape.
11. The multi-cell battery of claim 7 , wherein the metal liner comprises aluminum.
12. The multi-cell battery of claim 7 , wherein the second current collector and the third current collector comprise a polymer.
13. The multi-cell battery of claim 7 , wherein the metal liner extends proximate an external edge of the second current collector and the third current collector.
14. The multi-cell battery of claim 7 , wherein the first seal extends a first distance across a second surface opposite the first surface of the second current collector, and wherein the metal liner extends proximate the first distance across the first surface of the second current collector.
15. The multi-cell battery of claim 14 , wherein the metal liner extends beyond the first distance across the first surface of the second current collector towards an exterior edge of the second current collector.
16. A battery cell comprising:
a first current collector;
a second current collector;
a cathode active material coupled with a first area of a first surface of the first current collector;
an anode active material coupled with a first area of a first surface of the second current collector;
a seal between a second area of the first surface of the first current collector and coupled with a second area of the first surface of the second current collector; and
a metal material coupled with the first surface of at least one of the first current collector and the second current collector between the first area of the first surface and the second area of the first surface of a respective current collector for the first area and the second area.
17. The battery cell of claim 16 , wherein the metal material comprises stainless steel.
18. The battery cell of claim 16 , wherein the metal material contacts the seal on a first end of the metal material, and wherein the metal material contacts one of the anode active material or the cathode active material on a second end of the metal material opposite the first end of the metal material.