# US 10,770,765 B2 · Battery module with improved frame structure and frame assembly for the battery module

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 10,770,765 B2
- Document ID: US10770765B2
- Status: Granted
- Kind: B2
- Application number: 15/717,121
- Filed: 2017-09-27
- Published: 2018-03-29
- Granted: 2020-09-08
- Earliest claimed: 2016-09-28
- Assignees: LG Chem, Ltd.
- Applicants: LG Chem, Ltd.
- Inventors: Ji-Su Yoon; Dal-Mo Kang; Jeong-O Mun; Mi-Geum Choi; Sung-Won Seo; Hee-Jun Jin; Yoon-Koo Lee; Sang-Woo Ryu
- Web page: https://patentgrep.com/patent/US10770765B2

## CPC

- H01M 10/6566: Means within the gas flow to guide the flow around one or more cells, e.g. manifolds, baffles or other barriers (H01M10/6565 takes precedence)
- H01M 10/613: Cooling or keeping cold
- H01M 10/625: Vehicles
- H01M 10/6556: Solid parts with flow channel passages or pipes for heat exchange (closed pipes H01M10/6552)
- H01M 10/6563: with forced flow, e.g. by blowers
- H01M 50/211: adapted for pouch cells
- H01M 2220/20: Batteries in motive systems, e.g. vehicle, ship, plane
- Y02E 60/10: Energy storage using batteries
- H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION

## Abstract

Disclosed is a battery module, which includes a cell assembly composed of a plurality of cells, and a frame assembly having a bottom plate supporting the cell assembly from a lower portion, a side plate perpendicular to the bottom plate and disposed adjacent to an outermost side of the cell assembly, and a top plate covering an upper portion of the cell assembly, wherein a groove forming an external air inflow space between the side plate and the cell assembly is formed at the side plate to elongate in a length direction thereof.

## Claims

### Claim 1

A battery module, comprising:
(1) a cell assembly including a plurality of cells adjacently arranged along a length direction; and
(2) a frame assembly having
(2a) a bottom plate supporting the cell assembly from a lower portion,
(2b) a side plate perpendicular to the bottom plate and extending in the length direction to be in direct contact with the cells at an outermost side of the cell assembly, and
(2c) a top plate covering an upper portion of the cell assembly,
wherein an external air inflow space is provided in the length direction between the side plate and the cell assembly, and
wherein the external air inflow space has ends open to an outside of the battery module such that an entirety of a flow path through the external air inflow space between the ends is straight.

### Claim 2 (depends on 1)

The battery module according to claim 1,
wherein the external air inflow space includes at least one groove at an inner side of the side plate extending an entire length of the side plate in the length direction, and wherein the side plate does not directly contact the cell assembly along the groove.

### Claim 3 (depends on 2)

The battery module according to claim 2,
wherein the groove is formed by curving a portion of the side plate outwards.

### Claim 4 (depends on 3)

The battery module according to claim 3,
wherein the groove is provided in plural at predetermined intervals in a height direction of the side plate.

### Claim 5 (depends on 1)

The battery module according to claim 1,
wherein both end portions of at least one of the bottom plate and the top plate are bent vertically to be disposed adjacent to an end of the cell assembly, and
wherein external air inflow slits are formed at both end portions at predetermined intervals.

### Claim 6 (depends on 1)

The battery module according to claim 1,
wherein the external air inflow space includes a groove having a rounded concave pattern on an inner surface of the side plate such that the side plate does not directly contact the cell assembly along the groove.

### Claim 7 (depends on 6)

The battery module according to claim 6,
wherein the external air inflow space has a semicircular cross-sectional shape.

### Claim 8 (depends on 6)

The battery module according to claim 6,
wherein the groove is continuously connected with the rounded concave pattern from one end to the other end in the length direction.