Method For Manufacturing Battery Module

• US 20190131678A1
• Filed: 12/12/2017
• Published: 05/02/2019
• Est. Priority Date: 01/17/2017
• Status: Active Grant

• Current Assignee: LG Energy Solution Limited (LG Corporation)
• Original Assignee: LG Chem Limited (LG Corporation)
• Inventors: Kim, Soo-Youl, Yang, Jae-Hun, Yoon, Han-Jong, Lee, Jae-Min, Jeon, Hae-Ryong, Choi, Young-Ho
• Granted Patent: US 10,992,000 B2
• Time in Patent Office: Days
• CPC Class Codes: H01M 10/613 Cooling or keeping cold
• CPC Class Codes: H01M 10/653 characterised by electrically insulating or thermally conductive materials
• CPC Class Codes: H01M 10/656 characterised by the type of heat-exchange fluid
• CPC Class Codes: H01M 10/6567 Liquids
• CPC Class Codes: H01M 2220/20 Batteries in motive systems, e.g. vehicle, ship, plane
• CPC Class Codes: H01M 50/204 Racks, modules or packs for multiple batteries or multiple cells
• CPC Class Codes: H01M 50/227 Organic material
• CPC Class Codes: H01M 50/231 having a layered structure
• CPC Class Codes: Y02E 60/10 Energy storage using batteries

Abstract

Disclosed is a method for manufacturing a battery module, which includes accommodating a battery cell assembly having at least one battery cell in a module case, and injecting a thermally conductive adhesive through at least one injection hole provided in a bottom portion of the module case so that the module case is coated with the thermally conductive adhesive.

Claims

1. A method for manufacturing a battery module, comprising:

accommodating a battery cell assembly having at least one battery cell in a module case; and

injecting a thermally conductive adhesive through at least one injection hole provided in a bottom portion of the module case so that the module case is coated with the thermally conductive adhesive.

2. The method for manufacturing a battery module according to claim 1, before the thermally conductive adhesive is injected, further comprising:

arranging the module case in a horizontal direction.

3. The method for manufacturing a battery module according to claim 2,

wherein the at least one injection hole is provided at a middle region of the bottom portion of the module case.

4. The method for manufacturing a battery module according to claim 1, before the thermally conductive adhesive is injected, further comprising:

arranging the module case in a vertical direction.

5. The method for manufacturing a battery module according to claim 4,

wherein the at least one injection hole is provided at one side rim region of the bottom portion the module case.

6. The method for manufacturing a battery module according to claim 1,

wherein the injection hole is provided in plural, and the plurality of injection holes are spaced apart from each other by a predetermined distance at the bottom portion of the module case.

7. The method for manufacturing a battery module according to claim 6,

wherein convex portions and concave portions are formed alternately at an inner surface of the bottom portion of the module case, and

wherein the plurality of injection holes are provided in the convex portions.

8. The method for manufacturing a battery module according to claim 7,

wherein the convex portions and the concave portions have a rounded shape.

9. The method for manufacturing a battery module according to claim 6,

wherein the plurality of injection holes have an inclined chamfer portion at one side thereof.

10. The method for manufacturing a battery module according to claim 6,

wherein the plurality of injection holes have different spacing distances in an outer direction from the center of the bottom portion of the module case.