Thermal Runaway Shield Enclosure for Li-Ion Battery Packs/Cells
An apparatus for a thermal runaway shield enclosure for Li-ion batteries is disclosed. The apparatus comprises a thermal runaway shield (“TRS”) case having rigid walls with openings on at least one side of the case, and a heat-resistant, permeable fabric configured to line interior walls of the TRS case, wherein at least one Li-ion battery is placed inside the TRS case.
1 . An apparatus for a thermal runaway shield enclosure for Li-ion batteries comprising:
a thermal runaway shield (“TRS”) case having rigid walls with openings on at least one side of the case; and
a heat-resistant, permeable fabric configured to line interior walls of the TRS case, wherein at least one Li-ion battery is placed inside the TRS case.
2 . The apparatus of claim 1 , wherein the heat-resistant, permeable fabric is made from Kevlar.
3 . The apparatus of claim 1 , wherein the TRS enclosure includes openings on another side of the case.
4 . The apparatus of claim 2 , wherein the openings include a plurality of circular openings.
5 . The apparatus of claim 2 , wherein the openings include at least one elongated slot.
6 . The apparatus of claim 1 further comprising a rigid divider configured to separate an interior of the TRS case into a first compartment and a second compartment, wherein the at least one Li-ion battery is in a first compartment and another Li-ion battery is in a second compartment separated by the rigid divider.
7 . The apparatus of claim 6 , further comprising a flexible TRS substantially sized as the rigid divider, wherein the rigid divider encloses the flexible TRS.
8 . The apparatus of claim 6 further comprising a first flexible TRS and a second flexible TRS substantially sized as the rigid divider, wherein the rigid divider is lined with a first flexible TRS on a first side of the rigid divider and a second flexible TRS on a second side of the rigid divider.
9 . The apparatus of claim 6 , wherein the rigid divider is made of phenolic thermoset laminate.
10 . The apparatus of claim 6 , wherein the flexible TRS includes a cavity to enclose elements for heat dissipation including water-based coolant.
11 . The apparatus of claim 6 , wherein the flexible TRS includes a cavity to enclose a heat spreader for heat dissipation.
12 . The apparatus of claim 6 , wherein the flexible TRS includes a cavity to enclose a carbon veil for heat dissipation.
13 . A method for a thermal runaway shield (“TRS”) enclosure for storage of thermal runaway shielded battery packs comprising the steps:
providing a thermal runaway shield (“TRS”) case having rigid walls with openings on at least one side of the case;
lining interior walls of the TRS case with a heat-resistant, permeable fabric; and
placing at least one thermal runaway shielded battery pack into the interior of TRS case.
14 . The method of 13 , wherein the TRS case and the heat-resistant, permeable fabric are made from Kevlar.
15 . The method of claim 13 further comprising the step of separating an interior of the TRS case with a rigid divider into a first compartment and a second compartment;
placing the at least one thermal runaway shielded battery pack into the first compartment; and
placing a second thermal runaway shielded battery pack into the second compartment of the TRS case.
16 . The method of claim 15 , wherein the step of separating an interior of the TRS case with a divider includes the step of enclosing a flexible TRS substantially sized as the rigid divider within the rigid divider.
17 . The method of claim 16 , wherein the step of enclosing a flexible TRS includes the step of creating a cavity within the flexible TRS to include a heat spreader for heat dissipation.
18 . The method of claim 15 , wherein the step of separating an interior of the TRS case with a divider includes the step of attaching a flexible TRS substantially sized as the rigid divider on each side of the rigid divider.
19 . The method of claim 18 , wherein the step of attaching a flexible TRS includes the step of creating a cavity within the flexible TRS to enclose a carbon veil for heat dissipation.
20 . An apparatus for a thermal runaway shielded enclosure for a thermal runaway shielded Li-ion battery pack comprising:
a thermal runaway shield (“TRS”) case having rigid walls with openings on at least one side of the case;
a heat-resistant, permeable fabric configured to line interior walls of the TRS case, wherein at least one Li-ion battery is placed inside the TRS case;
a rigid divider configured to separate an interior of the TRS enclosure into a first compartment and a second compartment, wherein the first compartment is configured to contain at least one thermal runaway shielded battery pack and the second compartment is configured to contain at least one other thermal runaway shielded battery pack; and
at least two flexible TRS's configured to attach on each side of the rigid divider, wherein each flexible TRS includes a cavity to enclose elements for heat dissipation including water-based colored coolant.