Battery pack
A battery pack includes a housing and a plurality of battery cells. A printed circuit board is supported within the housing and is electrically coupled to a plurality of electrical terminals configured to mate with a plurality of electrical terminals of the device. A cell strap in electrical communication with at least one of the plurality of battery cells and in electrical communication with the printed circuit board. A fuse is coupled to the printed circuit board. A heat shield is coupled to the fuse. The heat shield is configured to inhibit heat transfer between the fuse and other components of the battery pack.
1. A battery pack comprising:
a housing;
a plurality of battery cells;
a printed circuit board supported within the housing, the printed circuit board electrically coupled to a plurality of electrical terminals configured to mate with a plurality of electrical terminals of a device;
a cell strap in electrical communication with at least one of the plurality of battery cells, the cell strap in electrical communication with the printed circuit board;
a fuse coupled to the printed circuit board; and
a heat shield coupled to the fuse, the heat shield configured to inhibit heat transfer between the fuse and other components of the battery pack.
2. The battery pack of claim 1 , wherein the heat shield comprises silicon.
3. The battery pack of claim 1 , wherein the heat shield comprises silicon carbide.
4. The battery pack of claim 1 , wherein the heat shield is adhered to the fuse by an adhesive material.
5. The battery pack of claim 1 , wherein the cell strap includes a battery cell connection part coupled to a terminal of the at least one of the plurality of battery cells, and a coupling part extending from the battery cell connection part, at least a portion of the coupling part directly coupled to at least a portion of the fuse.
6. The battery pack of claim 5 , further comprising a thermally conductive pad positioned between the battery cell connection part and the housing.
7. The battery pack of claim 1 , wherein the heat shield comprises a ceramic material that is metal free and has a lower heat conductivity than a material including metal.
8. A battery pack comprising:
a housing;
a plurality of battery cells supported within the housing;
a printed circuit board supported within the housing, the printed circuit board electrically coupled to a plurality of electrical terminals configured to mate with a plurality of electrical terminals of a device;
a cell strap in electrical communication with at least one of the plurality of battery cells, the cell strap in electrical communication with the printed circuit board;
a fuse coupled to the printed circuit board;
a heat shield proximate the fuse; and
a thermally conductive pad positioned within the housing.
9. The battery pack of claim 8 , wherein the cell strap includes a battery cell connection part coupled to a terminal of the at least one of the plurality of battery cells, and a coupling part extending from the battery cell connection part, at least a portion of the coupling part in direct contact with the fuse.
10. The battery pack of claim 9 , wherein the thermally conductive pad is positioned between the battery cell connection part and the housing.
11. The battery pack of claim 8 , further comprising an electrically insulating material, the fuse positioned between the electrically insulating material and the heat shield.
12. The battery pack of claim 8 , wherein the heat shield is formed from a ceramic material that is metal-free and has a lower heat conductivity than metal.
13. The battery pack of claim 8 , wherein the heat shield is formed from silicon.
14. The battery pack of claim 8 , wherein the heat shield is formed from silicon carbide.
15. The battery pack of claim 8 , wherein the heat shield is adhered to the fuse by an adhesive material.
16. A method of manufacturing a battery pack, the method comprising:
positioning a plurality of battery cells and a printed circuit board within a housing;
coupling a cell strap to at least one of the plurality of cells;
coupling a fuse between the cell strap and the printed circuit board; and
coupling a heat shield to the fuse.
17. The battery pack of claim 16 , wherein coupling the heat shield to the fuse includes adhering the heat shield to the fuse with an adhesive material.
18. The battery pack of claim 16 , further comprising positioning a thermally conductive pad between the cell strap and the housing.
19. The battery pack of claim 16 , further comprising positioning an electrically insulating material adjacent a side of the fuse that is opposite the heat shield.
20. The battery pack of claim 16 , wherein the heat shield is formed of a ceramic material that is metal-free and has a lower heat conductivity than metal, the heat shield including silicon.