Battery having a folded architecture
This disclosure is directed to a battery having a folded architecture that has one or more blocks of cells folded onto one another.
1. A folded battery, comprising:
a first, second, third, and fourth block of cells, wherein each cell of said first, second, third, and fourth block of cells has an anode end and a cathode end opposite said anode end; and
a first, second, and third folded conductive plates, where each of said first second, and third folded conductive plates have a first section and a second section, wherein:
the first section of said first folded conductive plate contacts each anode end of each cell of said first block of cells;
the second section of said first folded conductive plate contacts each cathode end of each cell of said second block of cells;
said second section of said first conductive plate is folded back on and in contact with said first section of said first conductive plate along a first plane providing a conductive path between each anode end of each cell of said first block of cells and each cathode end of each cell of said second block of cells;
the first section of said second conductive plate contacts each anode end of each cell of said second block of cells;
the second section of said second conductive plate contacts each cathode end of each cell of said third block of cells;
said second section of said second conductive plate is folded back on and in contact with said first section of said second conductive plate along a second plane substantially parallel to said first plane providing a conductive path between each anode end of each cell of said second block of cells and each cathode end of each cell of said third block of cells;
the first section of said third conductive plate contacts each anode end of each cell of said third block of cells;
the second section of said third conductive plate contacts each cathode end of each cell of said fourth block of cells; and
said second section of said third conductive plate is folded back on and in contact with said first section of said third conductive plate along a third plane substantially parallel to said first plane and said second plane providing a conductive path between each anode end of each cell of said third block of cells and each cathode end of each cell of said fourth block of cells.
2. The folded battery of claim 1 , wherein said first, second, and third conductive plates comprise at least 95% nickel.
3. The folded battery of claim 1 , wherein said first, second, third, and fourth block of cells are comprised of lithium ferrophosphate.
4. The folded battery of claim 1 , wherein each of said cells of said first, second, third, and fourth block of cells are cylindrical in shape.
5. The folded battery of claim 1 , wherein a portion of said cells in said first block are bound together.
6. The folded battery of claim 1 , wherein a portion of said cells in said second block are bound together.
7. The folded battery of claim 1 , wherein a portion of said cells in said third block are bound together.
8. The folded battery of claim 1 , wherein a portion of said cells in said fourth block are bound together.
9. The folded battery of claim 1 , wherein a footprint of said folded battery is substantially the same size as a footprint of each of said first, second, third, and fourth block of said cells.
10. The folded battery of claim 1 , further comprising a battery management system (BMS) coupled to said folded battery.
11. The folded battery of claim 10 , wherein said BMS is in contact with each anode end of each cell of said fourth block of cells.
12. The folded battery of claim 1 , wherein said folded battery is inserted in a battery case.
13. The folded battery of claim 1 , further comprising additional blocks of cells and folded conductive plates, wherein:
a first section of any of said additional folded conductive plates contacts each anode end of each cell of a previous block of cells;
a second section of any of said additional folded conductive plates contacts each cathode end of each cell of a next block of said additional blocks of cells; and
said second section of any of said additional folded conductive plates is folded back on and in contact with said first section of any of said additional folded conductive plates along a plane substantially parallel to said first, second, and third planes providing a conductive path between each anode end of each cell of said previous block of cells and each cathode end of each cell of said next block of cells.