Multifunctional ion pouch battery cell frame

Patent metadata

Field	Value
Publication number	US-10930978-B2
Application number	US-201715417877-A
Country	US
Kind code	B2
Filing date	Jan 27, 2017
Priority date	Jan 27, 2017
Publication date	Feb 23, 2021
Grant date	Feb 23, 2021

Abstract

A lithium ion pouch battery cell includes a rigid frame forming a skeleton of the cell and defining an aperture, an anode, a separator, and a cathode disposed within the aperture. The anode and cathode each include a current collector with an exposed tab portion, and a pair of terminals, integrated into the frame, each having an exterior portion and an interior portion bonded to one of the current collectors.

First claim

What is claimed is:

1. A lithium ion pouch battery cell comprising:
a rigid frame forming a skeleton of the cell and defining an aperture being devoid of a rigid structure;
an anode, a separator, and a cathode disposed within the aperture, the anode and cathode each including a current collector with an exposed tab portion;
a pair of terminals hermetically sealed into the frame, each having an exterior portion extending beyond the frame periphery and an interior portion bonded to one of the current collectors; and
a cell cover arranged to envelop the entire frame, the anode, the separator, the cathode and holding electrolyte disposed within the cell, the cell cover being more flexible than the frame.

2. The battery cell of claim 1 , wherein the cell cover comprises a flexible flat polymeric sheet.

3. The battery cell of claim 2 , wherein the cell cover is arranged around the frame in a tight manner.

4. The battery cell of claim 1 , wherein the pair of terminals is molded within the frame.

5. The battery cell of claim 1 , wherein the frame comprises a cooling channel running within at least one side of the frame.

6. The battery cell of claim 1 , wherein the frame comprises a bifurcated cooling channel.

7. The battery cell of claim 1 , further comprising an interlocking feature, an alignment feature, an electronic communication device, or a combination thereof.

8. The battery cell of claim 7 , wherein the electronic communication device comprises a temperature sensor, a strain sensor, a threshold value detector, a voltage or current detector, a sensor providing a signal to a conditioning device, or a combination thereof.

9. A lithium ion pouch battery cell comprising:
a rigid frame including a cooling channel arranged along periphery of the frame, the frame forming a skeleton of the cell and defining an aperture being free from a rigid structure;
an anode, a separator, and a cathode arranged within the aperture, the anode and cathode each including a current collector; and
a pair of terminals, integrated into the frame, each having an exterior portion and an interior portion bonded to one of the current collectors; and
a cell cover arranged around the entire frame, the anode, the separator, the cathode and holding electrolyte disposed within the cell, the cell cover being more flexible than the frame.

10. The battery cell of claim 9 , wherein the cooling channel is enclosed within the frame.

11. The battery cell of claim 9 , wherein the cooling channel is bifurcated.

12. The battery cell of claim 9 , wherein the cooling channel comprises two branches, each branch being routed on a different side of the terminals.

13. The battery cell of claim 9 , wherein the cooling channel runs along one side of the terminals.

14. The battery cell of claim 9 , wherein the cooling channel runs through three sides of the frame.

15. The battery cell of claim 9 , further comprising a dual-purpose sealable aperture, an interlocking feature, an alignment feature, an electronic communication device, or a combination thereof.

16. A lithium ion pouch battery cell comprising:
a rigid frame forming a skeleton of the cell and defining an aperture;
an anode, a separator, and a cathode disposed within the aperture; and
a pair of terminals, integrated into the frame, the frame including an inward electrically non-conductive portion surrounding the aperture and an outward thermally conductive portion surrounding the inward portion such that the terminals are free from contact with the outward portion, and
a cell cover arranged to envelop the entire frame, the anode, the separator, the cathode and holding electrolyte disposed within the cell, the cell cover being more flexible than the frame.

17. The battery cell of claim 16 , wherein the rigid frame comprises a cooling channel running within at least one side of the frame.

18. The battery cell of claim 16 , wherein the aperture is devoid of a rigid structure.

19. The battery cell of claim 16 , wherein the electrically non-conductive portion is made from plastic.

Assignees

• Ford Global Tech Llc

Inventors

• Drews Andrew Robert
• Robert Brian Joseph
• Karulkar Mohan

Classifications

• H01M10/486

  for measuring temperature · CPC title

• H01M50/557

  Plate-shaped terminals · CPC title

• H01M50/278

  Organic material · CPC title

• H01M50/178

  for pouch or flexible bag cells · CPC title

• H01M50/264

  for cells or batteries, e.g. straps, tie rods or peripheral frames · CPC title