Battery pack

Patent metadata

Field	Value
Publication number	US-2016268657-A1
Application number	US-201615060646-A
Country	US
Kind code	A1
Filing date	Mar 4, 2016
Priority date	Mar 12, 2015
Publication date	Sep 15, 2016
Grant date	—

Abstract

A battery pack including a housing; at least one battery module arranged in the housing; and a cooling plate coupled to the housing and cooling the at least one battery module, wherein the cooling plate includes a first cooling plate that contacts the at least one battery module; a second cooling plate coupled to the first cooling plate, the second cooling plate including a flow path therein; and a container on the second cooling plate, the container having an inner space that is connected to the flow path.

First claim

What is claimed is:

1 . A battery pack, comprising:
a housing; at least one battery module arranged in the housing; and a cooling plate coupled to the housing and cooling the at least one battery module, wherein the cooling plate includes: a first cooling plate that contacts the at least one battery module; a second cooling plate coupled to the first cooling plate, the second cooling plate including a flow path therein; and a container on the second cooling plate, the container having an inner space that is connected to the flow path.

2 . The battery pack as claimed in claim 1 , wherein a surface of the first cooling plate is uneven.

3 . The battery pack as claimed in claim 2 , wherein the at least one battery module is mounted on a protruding portion of the first cooling plate.

4 . The battery pack as claimed in claim 1 , wherein the second cooling plate includes a projection that protrudes toward the first cooling plate.

5 . The battery pack as claimed in claim 4 , wherein the projection is uneven.

6 . The battery pack as claimed in claim 1 , wherein:
the at least one battery module includes a plurality of battery modules, and a direction of the flow path and a direction in which the plurality of battery modules is arranged to form an angle or are parallel to each other.

7 . The battery pack as claimed in claim 1 , wherein the cooling plate further includes a buffer that is connected to the flow path of the second cooling plate, the buffer having a space to temporarily store coolant.

8 . The battery pack as claimed in claim 1 , wherein the inner space of the container has a stair-step structure.

9 . The battery pack as claimed in claim 8 , wherein an area of the inner space of the container into which a coolant flows from an inlet is larger than other areas of the inner space of the container.

10 . The battery pack as claimed in claim 1 , wherein the container supplies coolant from an outside of the battery pack to the flow path, the container changing a direction of the coolant supplied from the outside of the battery pack to the flow path.

Assignees

• Samsung Sdi Co Ltd

Inventors

• Park Juyong
• Yang Seungwoo
• Kim Hyun
• Ryu Jaelim

Classifications

• H01M50/209

  adapted for prismatic or rectangular cells (H01M50/216 takes precedence) · CPC title

• H01M10/6554 Primary

  Rods or plates · CPC title

• H01M10/6567

  Liquids · CPC title

• H01M10/613

  Cooling or keeping cold · CPC title

• H01M10/6568

  characterised by flow circuits, e.g. loops, located externally to the cells or cell casings · CPC title