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US 2023/0054839 A1Published application
Light weight thermal runaway and explosion resistant aerospace battery
AssigneesRolls-Royce Singapore Pte. Ltd., ROLLS-ROYCE plc
InventorsMichael Adam Zagrodnik, Teh Yee Siang, Mathivanan Anand Prabhu, Krishnamoorthi Sivalingam, Stephen Mountain
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Abstract
An aerospace battery may include a housing and a battery pack core. The housing may include a thin dual layer casing. The battery pack core is disposed in the housing and may include at least one cell district that includes a plurality of pouch cell batteries. A ceramic material may surround the at least one cell district and a closed cell foam may fill open space between the ceramic material and the housing.
Claims20
An aerospace battery comprising:
- a housing;
- a battery pack core disposed in the housing, wherein the battery pack core comprises:
- a district comprising a plurality of pouch cell batteries;
- and
- a ceramic jacket surrounding the district;
- and
- a closed cell foam disposed in the housing, wherein at least a portion of the closed cell foam is disposed between the battery pack core and the housing.
4 more elements
A method comprising:
- inserting a battery pack core within a housing of an aerospace battery, wherein the battery pack core comprises:
- a district comprising a plurality of pouch cell batteries;
- and
- a ceramic jacket surrounding the district;
- and
- reactive molding a closed cell foam within the housing around the battery pack core, wherein the closed cell foam fills substantially all the space between the housing and the battery pack core.
3 more elements
Dependencies are inferred from the claim text.