Integrated energy storage system

Patent metadata

Field	Value
Publication number	US-12456777-B2
Application number	US-202418634689-A
Country	US
Kind code	B2
Filing date	Apr 12, 2024
Priority date	Nov 21, 2019
Publication date	Oct 28, 2025
Grant date	Oct 28, 2025

Abstract

An integrated, unitary battery pack may be formed and used as part of the structural support for a vehicle frame. The unitary battery pack includes arrays cells having all positive and negative electrical terminals aligned in-plane on a common face of the product assembly. The unitary battery pack includes cooling components for passively or actively cooling the cell arrays. The unitary battery pack is encased in a potting material that allows that forms part of the structure support for the unitary battery pack. The unitary batter pack may be integrated into the vehicle with or without additional support structures.

First claim

What is claimed is:

1 . A unitary battery component comprising:
a plurality of cell arrays, wherein individual cell arrays include a plurality of cylindrical-shaped cells arranged in a common orientation such that the plurality of cylindrical-shaped cells form one or more lines of cylindrical-shaped cells; a cooling channel formed by one or more thermal components in proximity to the plurality of cell arrays, the one or more thermal components configured to cool the plurality of cell arrays; a potting material formed of a resin compound, the potting material encompassing the plurality of cell arrays and providing structural support and thermal protection for the unitary battery component; one or more foil sheets providing electrical connectivity to individual cylindrical-shaped cells of the plurality of cell arrays, wherein the one or more foil sheets are laser-welded to the plurality of cell arrays, and wherein the one or more foil sheets comprise a plurality of perforations configured to allow the potting material formed of the resin compound to fill in to encompass the plurality of cell arrays; a bottom surface for supporting the plurality of cell arrays; and a top surface for supporting the plurality of cell arrays, the top surface at least partially forming a structural component associated with a floor of a vehicle.

2 . The unitary battery component of claim 1 , wherein the one or more thermal components are U-shaped or V-shaped.

3 . The unitary battery component of claim 1 , wherein the one or more thermal components are disposed in spacing between the plurality of cell arrays.

4 . The unitary battery component of claim 1 , wherein the one or more thermal components and the one or more foil sheets match in size with each other to facilitate interconnection or assembly operations associated with the unitary battery component.

5 . The unitary battery component of claim 1 , wherein the top surface is directly bonded to at least one of the individual cell arrays.

6 . The unitary battery component of claim 1 , wherein the top surface forms the floor of the vehicle.

7 . The unitary battery component of claim 1 , wherein individual cylindrical-shaped cells in the plurality of cell arrays include a dielectric sleeve encompassing a side surface.

8 . The unitary battery component of claim 1 , wherein the top surface forms a thermal barrier between the plurality of cell arrays and the vehicle.

9 . A system, the system comprising:
a vehicle body; and a unitary battery component, the unitary battery component comprising:
a plurality of cell arrays, wherein individual cell arrays include a plurality of cylindrical-shaped cells arranged in a common orientation such that the plurality of cylindrical-shaped cells form one or more lines of cylindrical-shaped cells;
a cooling channel formed by one or more thermal components in proximity to the plurality of cell arrays, the one or more thermal components configured to cool the plurality of cell arrays;
a potting material formed of a resin compound, the potting material encompassing the plurality of cell arrays and providing structural support and thermal protection for the unitary battery component;
one or more foil sheets providing electrical connectivity to individual cylindrical-shaped cells of the plurality of cell arrays, wherein the one or more foil sheets are laser-welded to the plurality of cell arrays, and wherein the one or more foil sheets comprise a plurality of perforations configured to allow the potting material formed of the resin compound to fill in to encompass the plurality of cell arrays;
a bottom surface for supporting the plurality of cell arrays; and
a top surface for supporting the plurality of cell arrays, the top surface at least partially forming a structural component associated with a floor for the vehicle body.

10 . The system of claim 9 , wherein the top surface is directly bonded to at least one of the individual cell arrays and forms the floor for the vehicle body.

11 . A unitary battery component comprising:
a plurality of cell arrays, wherein individual cell arrays include a plurality of cylindrical-shaped cells; a potting material formed of a resin compound, the potting material encompassing the plurality of cell arrays and providing structural support for the unitary battery component; one or more foil sheets providing electrical connectivity to individual cylindrical-shaped cells of the plurality of cell arrays, wherein the one or more foil sheets are laser-welded to the plurality of cell arrays, and wherein the one or more foil sheets comprise a plurality of perforations configured to allow the potting material formed of the resin compound to fill in to surround the plurality of cell arrays; and a surface for supporting the plurality of cell arrays.

12 . The unitary battery component of claim 11 , further comprising a cooling channel formed by one or more thermal components in proximity to the plurality of cell arrays, wherein the one or more thermal components are configured to cool the plurality of cell arrays, and wherein the one or more thermal components are shaped based on desired thermal resistance and location precision associated with the one or more thermal components.

13 . The unitary battery component of claim 12 , wherein the one or more thermal components are disposed in spacing between the plurality of cell arrays.

14 . The unitary battery component of claim 12 , wherein the one or more thermal components and the one or more foil sheets match in size with each other to facilitate interconnection or assembly operations associated with the unitary battery component.

15 . The unitary battery component of claim 11 , further comprising another surface that is directly bonded to at least one of the individual cell arrays and forms a floor of a vehicle.

16 . The unitary battery component of claim 11 , wherein individual cylindrical-shaped cells in the plurality of cell arrays include a dielectric sleeve encompassing a side surface.

Assignees

• Tesla Inc

Inventors

• Pires Andrew
• Sumpf Jr Robert David
• Stockton William B
• Spooner Cole
• Prodan Cole
• Gorasia Jayesh Bharat
• Harris Kenton
• Burke Dan
• Szafer Dafna Gabriela
• Patel Krupal
• Parker Benjamin
• Hegeman David Elias

Classifications

• H01M2220/20

  Batteries in motive systems, e.g. vehicle, ship, plane · CPC title

• H01M50/271

  Lids or covers for the racks or secondary casings · CPC title

• H01M50/213

  adapted for cells having curved cross-section, e.g. round or elliptic (H01M50/209, H01M50/216 take precedence) · CPC title

• B60L50/64

  Constructional details of batteries specially adapted for electric vehicles · CPC title

• H01M10/658 Primary

  by thermal insulation or shielding · CPC title