# US 12,224,454 B2 · Battery module, battery pack comprising same battery module, and vehicle comprising same battery pack

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

- Number: US 12,224,454 B2
- Document ID: US12224454B2
- Status: Granted
- Kind: B2
- Application number: 17/044,580
- Filed: 2019-12-19
- Published: 2021-07-01
- Granted: 2025-02-11
- Earliest claimed: 2018-12-26
- Assignees: LG Energy Solution, Ltd.
- Applicants: LG Chem, Ltd.
- Inventors: Young-Ho Lee; Jung-Min Kwak; Do-Hyun Park; Jae-Hyun You
- Web page: https://patentgrep.com/patent/US12224454B2

## CPC

- H01M 50/505: comprising a single busbar
- H01M 50/507: comprising an arrangement of two or more busbars within a container structure, e.g. busbar modules
- B23K 37/04: for holding or positioning work
- B23K 37/0443: {Jigs}
- B60L 50/64: Constructional details of batteries specially adapted for electric vehicles
- H01M 10/04: Construction or manufacture in general (H01M10/058, H01M10/12, H01M10/28, H01M10/38 take precedence)
- H01M 50/209: adapted for prismatic or rectangular cells (H01M50/216 takes precedence)
- H01M 50/211: adapted for pouch cells
- H01M 50/249: specially adapted for aircraft or vehicles, e.g. cars or trains (constructional details of batteries specially adapted for electric vehicles B60L50/64)
- H01M 50/50: Current conducting connections for cells or batteries
- H01M 50/516: by welding, soldering or brazing
- H01M 50/531: Electrode connections inside a battery casing
- H01M 50/536: characterised by the method of fixing the leads to the electrodes, e.g. by welding
- H01M 50/548: on opposite sides of the cell
- H01M 50/284: with incorporated circuit boards, e.g. printed circuit boards [PCB]
- H01M 50/569: Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals (battery terminal connectors with integrated measuring arrangements G01R31/364)
- H01M 2220/20: Batteries in motive systems, e.g. vehicle, ship, plane
- Y02E 60/10: Energy storage using batteries
- Y02P 70/50: Manufacturing or production processes characterised by the final manufactured product
- H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- B23K: SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B60L: PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES (arrangements or mounting of electrical propulsion units or of plural diverse prime-movers for mutual or common propulsion in vehicles B60K1/00, B60K6/20; arrangements or mounting of electrical gearing in vehicles B60K17/12, B60K17/14; preventing wheel slip by reducing power in rail vehicles B61C15/08; dynamo-electric machines H02K; control or regulation of electric motors H02P); SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES (electric coupling devices combined with mechanical couplings of vehicles B60D1/64; electric heating for vehicles B60H1/00); ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL (control or regulation of electric motors H02P); MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02P: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS

## Abstract

A battery module according to an embodiment of the present disclosure includes a plurality of battery cells, a busbar frame assembly supporting the plurality of battery cells and including a plurality of busbars electrically connected to electrode leads of the plurality of battery cells, and a plurality of fixing jig holes provided in top and bottom surfaces of the busbar frame assembly, and into which welding jigs for fixing the busbar frame assembly are configured to be inserted in a welding process for electrically connecting the electrode leads of the plurality of battery cells to the plurality of busbars.

## Claims

### Claim 1

A battery module comprising:
a plurality of battery cells each having a respective first electrode lead protruding along a protruding dimension from a respective first surface of the respective battery cell of the plurality of battery cells, the plurality of battery cells being stacked along a stacking dimension such that the first surfaces of the plurality of battery cells collectively define a first plane extending along the stacking dimension;
a busbar frame assembly supporting the plurality of battery cells and comprising a plurality of first busbars electrically connected to the first electrode leads of the plurality of battery cells, the busbar frame assembly including a planar frame extending along the first plane and having the plurality of first busbars positioned therealong; and
a plurality of fixing jig holes provided in top and bottom surfaces of the busbar frame assembly, and into which welding jigs for fixing the busbar frame assembly are configured to be inserted in a welding process for electrically connecting the first electrode leads of the plurality of battery cells to the plurality of busbars, the plurality of fixing jig holes each having an axial dimension along which the welding jigs are configured to be inserted, the axial dimensions of the plurality of fixing jig holes being oriented along the first plane such that the axial dimensions are perpendicular to the protruding dimensions of the first electrode leads.

### Claim 2 (depends on 1)

The battery module of claim 1, wherein the plurality of fixing jig holes comprise:
base jig holes provided in the bottom surface of the busbar frame assembly, and into which the welding jigs are configured to be inserted in the welding process; and
top jig holes provided in the top surface of the busbar frame assembly, and into which the welding jigs are configured to be inserted in the welding process.

### Claim 3 (depends on 2)

The battery module of claim 2, wherein the base jig holes comprise:
edge jig holes provided at bottom edges of the busbar frame assembly; and
auxiliary jig holes provided between the edge jig holes and spaced apart from each other by a predetermined distance along a width direction of the busbar frame assembly.

### Claim 4 (depends on 2)

The battery module of claim 2, wherein the top jig holes comprise edge jig holes provided at top edges of the busbar frame assembly.

### Claim 5 (depends on 1)

The battery module of claim 1, wherein the planar frame of the busbar frame assembly is a front frame, and wherein the busbar frame assembly comprises:
a planar rear frames having a plurality of second busbars positioned therealong, the plurality of second busbars being electrically connected to second electrode leads of the plurality of battery cells; and
a top frame configured to connect the front frame to the rear frame, and wherein the plurality of fixing jig holes are provided in top and bottom surfaces of the front and rear frames.

### Claim 6 (depends on 5)

The battery module of claim 5, wherein the front and rear frames are rotatably hinge-coupled to the top frame.

### Claim 7 (depends on 6)

The battery module of claim 6, wherein the top frame comprises a plurality of anti-interference grooves configured to prevent interference with the plurality of fixing jig holes when the front and rear frames are hinge-coupled to the top frame.

### Claim 8 (depends on 7)

The battery module of claim 7, wherein the plurality of anti-interference grooves are provided at four side regions of the top frame.

### Claim 9 (depends on 1)

A battery pack comprising:
at least one battery module according to claim 1; and
a pack case configured to package the at least one battery module.

### Claim 10 (depends on 9)

A vehicle comprising the battery pack according to claim 9.

### Claim 11 (depends on 5)

The battery module of claim 5, wherein the second electrode leads each protrude from a respective second surface of the respective battery cell of the plurality of battery cells, the second surface of each battery cell being on an opposite side of the respective battery cell from the first surface of the respective battery cell, the second surfaces of the plurality of battery cells collectively defining a second plane extending along the stacking dimension, such that the rear frame extends along a second plane opposed to the first plane with the plurality of battery cells being positioned therebetween.