IP Library › Granted Patent US 12,288,900
Granted Patent B2
US 12,288,900 · App. 18/308,672 · Granted Apr 29, 2025

Battery configurations having through-pack fasteners

Inventors: Dylan Erb (San Jose, CA); Abraham B. Caulk (San Jose, CA); Ross L. Johnstal (Cincinnati, OH); Paul W. Firehammer (Saline, MI); Edward T. Hillstrom (San Jose, CA); Zhongying Shi (San Jose, CA); Ian E. O'Connor (Cupertino, CA); Alexander J. Clarabut (Santa Clara, CA)
Assignee: Stacked Energy, Inc.
H01M50/502H01M50/209
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Quick Facts
Patent No.
US 12,288,900
App. No.
18/308,672
Granted
Apr 29, 2025
Kind
B2
Abstract

Energy storage devices, battery cells, and batteries of the present technology may include a first circuit board defining a plurality of apertures through the first circuit board. The batteries may include a battery stack overlying the first circuit board and electrically coupled with the first circuit board. The battery stack may include a plurality of battery cells. The battery stack may define a plurality of apertures axially aligned with a corresponding aperture through the first circuit board. The batteries may include a second circuit board that defines a plurality of apertures through the second circuit board. The batteries may include a plurality of fasteners, each fastener extending through a separate channel of the plurality of channels. The batteries may include a plurality of conductive extensions electrically coupling each battery cell of the battery stack with one or more fasteners of the plurality of fasteners.

Claims (50)

1. A battery comprising:

a first circuit board defining a first aperture through the first circuit board;

a battery cell overlying the first circuit board and including:

an anode current collector including an anode active material;

a cathode current collector including a cathode active material;

a separator positioned between the anode current collector and the cathode current collector;

an electrolyte in contact with the anode current collector and the cathode current collector;

an opening formed through the battery cell and extending through the anode current collector, the cathode current collector and the separator; and

a seal formed around a periphery of the opening and arranged to prevent the electrolyte from entering the opening;

a second circuit board overlying the battery cell and defining a second aperture through the second circuit board; and

a fastener extending through the first aperture, the opening and the second aperture.

2. The battery of claim 1 , wherein the battery cell is a first battery cell and the opening is a first opening, the battery further comprising a second battery cell overlying the first battery cell, the second battery cell having a second opening extending therethrough, and wherein the fastener extends through the second opening.

3. The battery of claim 1 , wherein the opening is a first opening and wherein the battery cell includes a plurality of openings.

4. The battery cell of claim 1 , wherein the fastener electrically couples the first circuit board to the second circuit board.

5. The battery cell of claim 1 , wherein the fastener is electrically coupled to one of the anode current collector or the cathode current collector.

6. The battery cell of claim 5 , wherein the fastener includes a retaining member that extends through a housing.

7. The battery cell of claim 6 , wherein the housing includes an outer annular component that is electrically coupled to the one of the anode current collector or the cathode current collector.

8. The battery cell of claim 7 , wherein the outer annular component is electrically coupled to the housing via a conductive extension.

9. A battery comprising:

a circuit board defining an aperture therethrough;

a battery cell overlying the circuit board and including:

an anode current collector including an anode active material;

a cathode current collector including a cathode active material;

a separator positioned between the anode current collector and the cathode current collector;

a sealed active region that includes the anode active material, the cathode active material and the separator;

an electrolyte disposed within the sealed active region;

an opening formed through the anode current collector, the cathode current collector and the separator; and

a seal formed around a periphery of the opening and arranged to retain the electrolyte within the sealed active region; and

a fastener extending through the aperture and through the opening.

10. The battery of claim 9 wherein the circuit board is a first circuit board, the battery further comprising a second circuit board overlying the battery cell such that the battery cell is positioned between the first and the second circuit boards.

11. The battery of claim 10 wherein the aperture is a first aperture and wherein the second circuit board defines a second aperture, and wherein the fastener extends through the first and the second apertures.

12. The battery of claim 9 , wherein the battery cell is a first battery cell and the opening is a first opening, the battery further comprising a second battery cell overlying the first battery cell, the second battery cell having a second opening extending therethrough, and wherein the fastener extends through the second opening.

13. The battery of claim 9 , wherein the opening is a first opening and wherein the battery cell includes a plurality of openings.

14. The battery cell of claim 9 , wherein the fastener is electrically coupled to one of the anode current collector or the cathode current collector.

15. The battery cell of claim 14 , wherein the fastener includes a retaining member that extends through a housing.

16. The battery cell of claim 15 , wherein the housing includes an outer annular component that is electrically coupled to the one of the anode current collector or the cathode current collector.

17. A battery comprising:

a circuit board defining an aperture therethrough;

a stack of battery cells overlying the circuit board, each battery cell including:

an anode current collector including an anode active material;

a cathode current collector including a cathode active material;

a separator positioned between the anode current collector and the cathode current collector;

a sealed active region that includes the anode active material, the cathode active material and the separator;

an electrolyte disposed within the sealed active region;

an opening formed through the anode current collector, the cathode current collector and the separator; and

a seal formed around a periphery of the opening and arranged to retain the electrolyte within the sealed active region; and

a fastener extending through the aperture and through each opening.

18. The battery of claim 17 wherein the circuit board is a first circuit board, the battery further comprising a second circuit board overlying the stack of battery cells such that the stack of battery cells are positioned between the first and the second circuit boards.

19. The battery of claim 17 , wherein the opening is a first opening and wherein each battery cell of the stack of battery cells includes a plurality of openings.

20. The battery of claim 17 , wherein the fastener is electrically coupled to the anode current collector of a battery cell of the stack of battery cells.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 10, 2024
From: APPLE INC.
To: STACKED ENERGY, INC.
Reel/Frame 069543/0126 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 4, 2024
From: ERB, DYLAN; CAULK, ABRAHAM B.; JOHNSTAL, ROSS L.; FIREHAMMER, PAUL W.; HILLSTROM, EDWARD T.; SHI, ZHONGYING; O'CONNOR, IAN E.; CLARABUT, ALEXANDER J.
To: APPLE INC.
Reel/Frame 069488/0406 →
SECURITY INTEREST Recorded Nov 8, 2024
From: STACKED ENERGY, INC.
To: APPLE INC.
Reel/Frame 069209/0540 →
Continuity (2)
Continuation 17014717 · Sep 8, 2020
Related Publication 20230387552A1 · Nov 30, 2023
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