Automotive battery conductor plates with fusible links
A conductor plate assembly for providing an electrical connection between a plurality of battery cells of a battery package for an electric vehicle is described. The conductor plate assembly includes a plurality of first conductor plates, at least one second conductor plate, a plurality of fusible links at the at least one second conductor plate configured to connect the at least one second conductor plate to multiple battery cells, and a plurality of non-fusible links at the plurality of first conductor plates configured to connect the plurality of first conductor plates to plural battery cells. Related apparatuses, systems, and methods are also described.
1 . A battery assembly, comprising:
a first conductor plate comprising:
a first plurality of beams;
a first plurality of planks, wherein each set of two adjacent beams of the first plurality of beams is connected by a respective single plank of the first plurality of planks; and
a plurality of pads extending from the first plurality of beams and connected to a plurality of battery cells, wherein each pad of the plurality of pads is connected to two battery cells of the plurality of battery cells; and
a second conductor plate comprising a second plurality of beams, wherein a beam of the second plurality of beams comprises a plurality of fusible links connected to the plurality of battery cells, wherein each set of two adjacent beams of the second plurality of beams is connected by a respective plank of a second plurality of planks, and wherein at least one pad of the plurality of pads is disposed between a first fusible link and a second fusible link of the plurality of fusible links.
2 . The battery assembly of claim 1 , wherein at least another pad of the plurality of pads is disposed between another first fusible link and another second fusible link of the plurality of fusible links adjacent to the at least one pad.
3 . The battery assembly of claim 1 ,
wherein the plurality of fusible links connect the second conductor plate to second battery cells of the plurality of battery cells, with multiple fusible links coupled between the second plurality of beams between adjacent second planks of the second plurality of planks; and
wherein the plurality of pads comprise a plurality of non-fusible links connecting the first conductor plate to first battery cells of the plurality of battery cells, with multiple non-fusible links coupled between the first plurality of beams between adjacent first planks of the first plurality of planks.
4 . The battery assembly of claim 3 , further comprising multiple second conductor plates, wherein one of the multiple second conductor plates comprises only fusible links and is devoid of non-fusible links.
5 . The battery assembly of claim 4 , wherein another of the multiple second conductor plates comprises only non-fusible links and is devoid of fusible links.
6 . The battery assembly of claim 3 , wherein each of the plurality of battery cells comprises a button and a rim, wherein the plurality of fusible links comprise button fusible links, and wherein the plurality of non-fusible links comprise rim non-fusible links.
7 . The battery assembly of claim 3 , wherein each of the plurality of battery cells comprises a button and a rim, wherein the plurality of fusible links comprise rim fusible links, and wherein the plurality of non-fusible links comprise button non-fusible links.
8 . The battery assembly of claim 3 , wherein each of the plurality of battery cells comprises a button and a rim,
wherein the plurality of fusible links comprise button fusible links and rim fusible links, and
wherein the plurality of non-fusible links comprise button non-fusible links and rim non-fusible links.
9 . The battery assembly of claim 1 , wherein each of the plurality of battery cells comprises a button and a rim,
wherein the first conductor plate comprises button links that connect to buttons and rim links that connect to rims,
wherein the second conductor plate comprises multiple second conductor plates,
wherein one of the multiple second conductor plates comprises button links that connect to buttons and is devoid of rim links that connect to rims, and
wherein another of the multiple second conductor plates comprises rim links that connect to rims and is devoid of button links that connect to buttons.
10 . The battery assembly of claim 1 , wherein the first conductor plate and the second conductor plate are arranged in a stacked configuration such that the first conductor plate is disposed in a first plane and the second conductor plate is disposed in a second plane, the first plane and second plane being displaced from one another in a direction perpendicular to the first plane and the second plane.
11 . The battery assembly of claim 1 , wherein the first conductor plate and the second conductor plate are arranged in a planar configuration such that the first conductor plate and the second conductor plate are disposed in a same plane.
12 . The battery assembly of claim 1 , further comprising:
a first battery package comprising a first portion of the plurality of battery cells;
a second battery package comprising a second portion of the plurality of battery cells; and
a cold plate disposed between or adjacent to the first battery package and the second battery package.
13 . A conductor plate for providing an electrical connection between a plurality of battery cells of a battery assembly, the conductor plate comprising:
a first plurality of beams;
a first plurality of planks, wherein each set of two adjacent beams of the first plurality of beams is connected by a respective single plank of the first plurality of planks; and
a plurality of pads arranged along the first plurality of beams on a first side of the respective single planks, wherein the plurality of pads are connected to the plurality of battery cells; and
wherein a beam of the first plurality of beams comprises a plurality of fusible links arranged on a second side of the respective single planks opposite the first side, wherein the plurality of fusible links are connected to the plurality of battery cells.
14 . The conductor plate of claim 13 , wherein:
the conductor plate comprises a first conductor plate comprising the first plurality of beams coupled with the first plurality of planks; and
the conductor plate comprises a second conductor plate comprising a second plurality of beams coupled with a second plurality of planks;
wherein the plurality of fusible links connect the first conductor plate to first battery cells of the plurality of battery cells; and
wherein the plurality of pads comprise a plurality of non-fusible links connecting the first conductor plate to the first battery cells.
15 . The conductor plate of claim 14 , further comprising multiple second conductor plates, wherein one of the multiple second conductor plates comprises only fusible links and is devoid of non-fusible links.
16 . The conductor plate of claim 15 , wherein another of the multiple second conductor plates comprises only non-fusible links and is devoid of fusible links.
17 . The conductor plate of claim 14 , wherein each of the plurality of battery cells comprises a button and a rim, wherein the plurality of fusible links comprise button fusible links, and wherein the plurality of non-fusible links comprise rim non-fusible links.
18 . The conductor plate of claim 14 , wherein each of the plurality of battery cells comprises a button and a rim, wherein the plurality of fusible links comprise rim fusible links, and wherein the plurality of non-fusible links comprise button non-fusible links.
19 . The conductor plate of claim 14 , wherein each of the plurality of battery cells comprises a button and a rim,
wherein the first conductor plate comprises button links that connect to buttons and rim links that connect to rims,
wherein the second conductor plate comprises multiple second conductor plates,
wherein one of the multiple second conductor plates comprises button links that connect to buttons and is devoid of rim links that connect to rims, and
wherein another of the multiple second conductor plates comprises rim links that connect to rims and is devoid of button links that connect to buttons.
20 . The conductor plate of claim 14 , wherein the first conductor plate and the second conductor plate are arranged in a first plane, and wherein the first conductor plate and the second conductor plate displaced from another conductor plate in a direction perpendicular to the first plane.
21 . The conductor plate of claim 14 , wherein the first conductor plate and the second conductor plate are arranged in a planar configuration such that the first conductor plate and the second conductor plate are disposed in a same plane.
22 . The conductor plate of claim 14 , wherein each of the plurality of battery cells comprises a button and a rim,
wherein the plurality of fusible links comprises button fusible links and rim fusible links, and
wherein the plurality of non-fusible links comprises button non-fusible links and rim non-fusible links.