BATTERY CELL ASSEMBLY

• US 20170104194A1
• Filed: 10/07/2015
• Published: 04/13/2017
• Est. Priority Date: 10/07/2015
• Status: Active Grant

• Current Assignee: LG Energy Solution Limited (LG Corporation)
• Original Assignee: LG Chem Limited (LG Corporation)
• Inventors: Blumka, Joseph, Laurain, Paul, Arena, Anthony
• Granted Patent: US 9,755,198 B2
• Time in Patent Office: Days
• CPC Class Codes: H01M 10/0413 Large-sized flat cells or batteries for motive or stationary systems with plate-like electrodes
• CPC Class Codes: H01M 10/0436 Small-sized flat cells or batteries for portable equipment
• CPC Class Codes: H01M 10/0486 Frames for plates or membranes
• CPC Class Codes: H01M 10/052 Li-accumulators
• CPC Class Codes: H01M 10/0525 Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
• CPC Class Codes: H01M 10/0585 of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
• CPC Class Codes: H01M 10/613 Cooling or keeping cold
• CPC Class Codes: H01M 10/6551 Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
• CPC Class Codes: H01M 2220/30 Batteries in portable systems, e.g. mobile phone, laptop
• CPC Class Codes: H01M 50/211 adapted for pouch cells
• CPC Class Codes: H01M 50/227 Organic material
• CPC Class Codes: H01M 50/24 adapted for protecting batteries from their environment, e.g. from corrosion thermal insulation H01M10/658
• CPC Class Codes: H01M 50/262 with fastening means, e.g. locks
• CPC Class Codes: H01M 50/291 characterised by their shape
• CPC Class Codes: H01M 50/557 Plate-shaped terminals
• CPC Class Codes: Y02E 60/10 Energy storage using batteries
• CPC Class Codes: Y02P 70/50 Manufacturing or production processes characterised by the final manufactured product

Abstract

A battery cell assembly is provided. The battery cell assembly includes a first frame assembly having a first substantially rectangular ring-shaped frame and a first coupling member. The first coupling member of the first frame assembly has a first tongue portion with first and second resilient arm members. The battery cell assembly further includes a second frame assembly having a second substantially rectangular ring-shaped frame and a first coupling member. The first coupling member of the second frame assembly has a female member with a first aperture such that the first and second resilient arm members extend through the first aperture and engage an engagement surface defined by the female member of the first coupling member of the second frame assembly.

Claims

1. A battery cell assembly, comprising:

a first frame assembly having a first substantially rectangular ring-shaped frame and a first coupling member such that a first plane extends through the first substantially rectangular ring-shaped frame and the first coupling member;

the first coupling member of the first frame assembly being coupled to and extending outwardly from a first side wall of the first substantially rectangular ring-shaped frame in a first direction, the first coupling member of the first frame assembly being coupled proximate to a first end of the first side wall of the first substantially rectangular ring-shaped frame, the first coupling member of the first frame assembly having a first tongue portion with first and second resilient arm members;

a second frame assembly having a second substantially rectangular ring-shaped frame and a first coupling member such that a second plane extends through the second substantially rectangular ring-shaped frame and the first coupling member thereof;

the first coupling member of the second frame assembly being coupled to and extending outwardly from a first side wall of the second substantially rectangular ring-shaped frame in the first direction, the first coupling member of the second frame assembly being coupled proximate to a first end of the first side wall of the second substantially rectangular ring-shaped frame, the first coupling member of the second frame assembly having a female member with a first aperture;

such that the first and second resilient arm members of the first tongue portion of the first coupling member of the first frame assembly extend through the first aperture and engage an engagement surface defined by the female member of the first coupling member of the second frame assembly to couple the first frame assembly to the second frame assembly; and

a first battery cell disposed between the first frame assembly and the second frame assembly.

2. The battery cell assembly of claim 1, wherein the first coupling member of the first frame assembly having a female member disposed above the first tongue portion of the first coupling member of the first frame assembly, the female member of the first coupling member of the first frame assembly having a second aperture;

the battery cell assembly further comprising a third frame member assembly having a third coupling member, the third coupling member having a second tongue portion with first and second resilient arm members, such that the first and second resilient arm members of the second tongue portion of the third coupling member of the third frame assembly extend through the second aperture and engage an engagement surface defined by the female member of the first coupling member of the first frame assembly to couple the first frame assembly to the third frame assembly.

3. The battery cell assembly of claim 1, wherein the first coupling member of the second frame assembly having a second tongue portion with first and second resilient arm members, the second tongue portion being disposed below the female member of the first coupling member of the second frame assembly;

the battery cell assembly further comprising a third frame assembly having a third coupling member with a female member, the female member of the third coupling member of the third frame assembly having a second aperture, such that the first and second resilient arm members of the second tongue portion of the first coupling member of the second frame assembly extend through the second aperture and engage an engagement surface defined by the female member of the third coupling member to couple the second frame assembly to the third frame assembly.

4. The battery cell assembly of claim 1, wherein the first substantially rectangular ring-shaped frame having the first side wall thereof, and second, third and fourth side walls;

the first and second side walls of the first substantially rectangular ring-shaped frame extending substantially parallel to one another and being coupled to and between the third and fourth side walls, the third and fourth side walls extending substantially parallel to one another and substantially perpendicular to the first and second side walls of the first substantially rectangular ring-shaped frame.

5. The battery cell assembly of claim 4, wherein the first frame assembly further includes second, third, and fourth coupling members.

6. The battery cell assembly of claim 5, wherein the second coupling member being coupled to and extending outwardly from the first side wall of the first substantially rectangular ring-shaped frame in the first direction, the second coupling member being coupled proximate to a second end of the first side wall of the first substantially rectangular ring-shaped frame.

7. The battery cell assembly of claim 6, wherein the third coupling member being coupled to and extending outwardly from the second side wall of the first substantially rectangular ring-shaped frame in a second direction opposite to the first direction, the third coupling member being coupled proximate to a first end of the second side wall.

8. The battery cell assembly of claim 7, wherein the fourth coupling member being coupled to and extending outwardly from the second side wall of the first substantially rectangular ring-shaped frame in the second direction, the fourth coupling member being coupled proximate to a second end of the second side wall.

9. The battery cell assembly of claim 4, wherein the first frame assembly further includes a solid cooling fin having a first panel portion and a second panel portion, the first panel portion being least partially encapsulated within the first, second, third, and fourth side walls of the first substantially rectangular ring-shaped frame, the first panel portion further extending through the third side wall, the second panel portion being coupled to an end of the first panel portion and being disposed directly on an exterior of the third side wall, the first battery cell being disposed directly against at least a portion of the first panel portion.

10. The battery cell assembly of claim 1, wherein:

the first coupling member of the first frame assembly having the first tongue portion and a female member thereof;

the female member of the first coupling member of the first frame assembly being defined by first, second, and third horizontal walls, and first and second vertical walls;

the first, second, and third horizontal walls extending parallel to one another and parallel to the first plane and being spaced apart from one another, the first and second vertical walls being coupled to the first, second, and third horizontal walls;

the first and second horizontal walls having a first cavity defined therebetween;

the second and third horizontal walls having a second cavity defined therebetween;

the first and second horizontal walls having second and third apertures, respectively, extending therethrough;

the first and second resilient arms of the first tongue portion of the first coupling member of the first frame assembly being coupled to and extending from the third horizontal wall.

11. The battery cell assembly of claim 1, wherein the first frame assembly is constructed of plastic, and the second frame assembly is constructed of plastic.