Encapsulations for thermal management system for battery

• US 5,449,571 A
• Filed: 11/29/1993
• Issued: 09/12/1995
• Est. Priority Date: 11/29/1993
• Status: Expired due to Fees

• Current Assignee: Shape, Store Heat and Produce Energy Incorporated
• Original Assignee: Store Heat and Produce Energy Incorporated
• Inventors: Rafalovich, Alexander P., Longardner, William J., Keller, Gilbert P., Gustin, Joseph A., Schmidter, Thomas C.
• Primary Examiner(s): Willis, Jr., Prince
• Assistant Examiner(s): Nuzzolillo, M.
• Application Number:
  US08/158,950
• Time in Patent Office: 652 Days
• Field of Search: 429/120, 429/163, 429/148, 429/177
• US Class Current: 429/120
• CPC Class Codes: H01M 50/105 Pouches or flexible bags
• CPC Class Codes: Y02E 60/10 Energy storage using batteries

Abstract

An encapsulation apparatus is provided for a thermal management system for at least one battery. The apparatus comprises a housing including an inner wall defining a receptacle for the battery. The inner wall is positioned in thermal contact with the battery. The housing further comprises an outer wall in spaced-apart relationship with the inner wall to define an enclosure therebetween for receiving a phase change material.

Claims

1. An encapsulation apparatus for a thermal management system for at least one electric battery, the apparatus comprising a housing including an inner wall defining a receptacle for the at least one battery, the inner wall being positioned in thermal contact with the at least one battery, an outer wall in spaced-apart relationship with the inner wall to define an enclosure therebetween for receiving a phase change material, and a plurality of fins extending from the inner wall into the enclosure to facilitate heat transfer between the inner wall and the phase change material in the enclosure.

2. An encapsulation apparatus for a thermal management system for at least one electric battery, the apparatus comprising a housing including an inner wall defining a receptacle for the at least one battery, the inner wall being positioned in thermal contact with the at least one battery, an outer wall in spaced-apart relationship with the inner wall to define an enclosure therebetween for receiving a phase change material, and a plurality of fins extending from the outer wall to facilitate heat transfer from the outer wall to the surrounding environment.

3. An encapsulation apparatus for a thermal management system for at least two electric batteries, the apparatus comprising a housing including an inner wall positioned in thermal contact with the at least two batteries and an outer wall in spaced-apart relationship with the inner wall to define an enclosure there between for receiving a phase change material, the inner wall being configured to define at least two receptacles in spaced-apart relative relationship to accommodate the at least two electric batteries.

4. An encapsulation apparatus for a thermal management system for at least one electric battery, the electric battery including a case having a plurality of faces, the apparatus comprising

at least one panel formed to include an interior region for receiving a phase change material,

means for affixing the at least one panel to a face of the electric battery case to place the phase change material in heat transfer relationship with the face, and

a plurality of divider walls positioned in the interior region in spaced-apart parallel relationship to divide the interior region into a plurality of channels for receiving the phase change material.

5. A battery case comprising

an exterior shell,

an interior shell positioned in spaced apart relationship with the exterior shell to define a region for receiving phase change material, and

a plurality of divider walls positioned in the region in spaced-apart parallel relationship to divide the region into a plurality of channels for receiving the phase change material.

6. A battery case comprising

an exterior shell,

an interior shell positioned in spaced apart relationship with the exterior shell to define a region for receiving phase change material, and

a plurality of fins extending from the exterior shell to facilitate heat transfer from the exterior shell to the surrounding environment.

7. In a thermal management system for an electric battery, the electric battery including a case having a plurality of faces, the improvement comprising at least one panel contacting at least one of the plurality of faces and being formed to include an interior region for receiving a phase change material, and a plurality of divider walls positioned in the interior region in spaced-apart parallel relationship to divide the interior region into a plurality of channels for receiving the phase change material.