Cell stack support for a vehicle battery cell
A battery cell for a vehicle includes a cell can having a first wall, a second wall, a first side wall and a second side wall. The first wall, the second wall, the first side wall, and the second side wall defining an electrode stack receiving zone. A vent is formed in the second wall. The vent is spaced from the first side wall and the second side wall. The vent fluidically connects the electrode stack receiving zone with an exterior of the cell can. An electrode stack is positioned in the electrode stack receiving zone. The electrode stack is spaced from of the first side wall by a channel. A cell stack support is arranged in the electrode stack receiving zone and supporting the electrode stack above the second wall. The cell stack support includes at least one passage that transports gases from the channel to the vent.
1 . A battery cell comprising:
a cell can including a first wall, a second wall disposed opposite the first wall, a first side wall extending between and connecting the first wall with the second wall, and a second side wall, positioned opposite the first side wall, extending between and connecting the first wall with the second wall, the first wall, the second wall, the first side wall, and the second side wall defining an electrode stack receiving zone;
a vent formed in the second wall, the vent being spaced from the first third wall and the second wall, the vent fluidically connecting the electrode stack receiving zone with an exterior of the cell can;
an electrode stack positioned in the electrode stack receiving zone, the electrode stack being spaced from of the first wall by a channel;
a cell stack support arranged in the electrode stack receiving zone and supporting the electrode stack above the second wall; and
the cell stack support includes a first member having a first surface and an opposing second surface, the cell stack support being disposed on the second wall such that the first surface contacts the second wall and a plurality of support members extend from a first end coupled the second surface to a second end, wherein at least one passage is defined between the second surface and adjacent ones of the plurality of support members and configured to transports gases from the channel to the vent.
2 . The battery cell according to claim 1 , further comprising a second member connected to the second end of each of the plurality of support members.
3 . The battery cell according to claim 1 , wherein a plurality of openings are defined in the first member that extend through the first surface and the second surface.
4 . The battery cell according to claim 1 , wherein the cell stack support includes a body having a first body surface and a second body surface, and at least one body passage being formed in the body substantially between the first surface and the second surface and arranged to direct gasses from the channel to the vent.
5 . The battery cell according to claim 4 , wherein the at least one passage has a circular cross-section.
6 . The battery cell according to claim 4 , wherein the body is formed from a porous material, the at least one passage comprising a plurality of passages defined between interstitial spaces in the porous material.
7 . The battery cell according to claim 1 , wherein one the plurality of support members extends across the second surface at a first angle and another of the plurality of support members extends across the second surface at a second angle, the at least one passage being a tapered passage.
8 . The battery cell according to claim 7 , wherein the tapered passage includes an inlet and an outlet, the tapered passage converging from the inlet to the outlet.
9 . The battery cell according to claim 1 , wherein one of the plurality of support members is formed from a first plurality of angled fins spaced one, from another, across the second surface and another of the plurality of support members is formed from a second plurality of angled fins spaced one, from another, across the second surface, the first plurality of angled fins and the second plurality of angled fins being spaced one from another by the at least one passage.
10 . A vehicle comprising:
a body;
an electric motor and a battery back supported in the body; and
a battery cell supported in the battery pack and connected to the electric motor, the battery pack comprising:
a cell can including a first wall, a second wall disposed opposite the first wall, a first side wall extending between and connecting the first wall with the second wall, and a second side wall, positioned opposite the first side wall, extending between and connecting the first wall with the second wall, the first wall, the second wall, the first side wall, and the second side wall defining an electrode stack receiving zone;
a vent formed in the second wall, the vent being spaced from the first side wall and the second side wall, the vent fluidically connecting the electrode stack receiving zone with an exterior of the cell can;
an electrode stack positioned in the electrode stack receiving zone, the electrode stack being spaced from of the first side wall by a channel;
a cell stack support arranged in the electrode stack receiving zone and supporting the electrode stack above the second wall; and
the cell stack support includes a first member having a first surface and an opposing second surface, the cell stack support being disposed on the second wall such that the first surface contacts the second wall and a plurality of support members extend from a first end coupled the second surface to a second end, wherein at least one passage is defined between the second surface and adjacent ones of the plurality of support members and configured to transports gases from the channel to the vent.
11 . The vehicle according to claim 10 , further comprising a second member connected to the second end of each of the plurality of support members.
12 . The vehicle according to claim 10 , wherein a plurality of openings are defined in the first member that extend through the first surface and the second surface.
13 . The vehicle according to claim 10 , wherein the cell stack support includes a body having a first body surface and a second body surface, and the at least one body passage being formed in the body substantially between the first surface and the second surface and arranged to direct gasses from the channel to the vent.
14 . The vehicle according to claim 13 , wherein the at least one passage has a circular cross-section.
15 . The vehicle according to claim 13 , wherein the body is formed from a porous material, the at least one passage comprising a plurality of passages defined between interstitial spaces in the porous material.
16 . The vehicle according to claim 10 , wherein one the plurality of support members extends across the second surface at a first angle and another of the plurality of support members extends across the second surface at a second angle, the at least one passage being a tapered passage.
17 . The vehicle according to claim 16 , wherein the tapered passage includes an inlet and an outlet, the tapered passage converging from the inlet to the outlet.
18 . The vehicle according to claim 10 , wherein one of the plurality of support members is formed from a first plurality of angled fins spaced one, from another, across the second surface and another of the plurality of support members is formed from a second plurality of angled fins spaced one, from another, across the second surface, the first plurality of angled fins and the second plurality of angled fins being spaced one from another by the at least one passage.
19 . A battery cell comprising:
a cell can including a first wall, a second wall disposed opposite the first wall, a first side wall extending between and connecting the first wall with the second wall, and a second side wall, positioned opposite the first side wall, extending between and connecting the first wall with the second wall, the first wall, the second wall, the first side wall, and the second side wall defining an electrode stack receiving zone;
a vent formed in the second wall, the vent being spaced from the first wall and the second wall, the vent fluidically connecting the electrode stack receiving zone with an exterior of the cell can;
an electrode stack positioned in the electrode stack receiving zone, the electrode stack being spaced from of the first wall by a channel;
a cell stack support arranged in the electrode stack receiving zone and supporting the electrode stack above the second wall; and
the cell stack support includes a body having a first surface and a second surface with a porous material disposed between the first surface and the second surface, wherein connected interstitial spaces are defined within the porous material define a plurality of passages configured to transport gasses from the channel to the vent.