# US 2025/0096302 A1 · Battery cell pressing jig

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- Number: US 2025/0096302 A1
- Document ID: US20250096302A1
- Status: Published application
- Kind: A1
- Application number: 18/291,516
- Filed: 2023-02-27
- Published: 2025-03-20
- Earliest claimed: 2022-03-03
- Assignees: LG Energy Solution, Ltd.
- Applicants: LG Energy Solution, Ltd.
- Inventors: Myung Geun OH; Tae Gyu LEE; Hae Won CHOI
- Web page: https://patentgrep.com/patent/US20250096302A1

## CPC

- G01R 31/364: Battery terminal connectors with integrated measuring arrangements
- H01M 10/0481: {Compression means other than compression means for stacks of electrodes and separators}
- G01R 31/385: Arrangements for measuring battery or accumulator variables (for monitoring G01R31/382)
- G01R 31/3865: {related to manufacture, e.g. testing after manufacture}
- H01M 10/0404: {Machines for assembling batteries}
- H01M 10/0422: {Cells or battery with cylindrical casing}
- H01M 10/4285: {Testing apparatus}
- H01M 10/446: {Initial charging measures}
- H01M 10/46: Accumulators structurally combined with charging apparatus (circuits for charging H02J7/00)
- H01M 10/482: {for several batteries or cells simultaneously or sequentially}
- H01M 50/107: having curved cross-section, e.g. round or elliptic (H01M50/103, H01M50/109, H01M50/11 take precedence)
- H01M 50/213: adapted for cells having curved cross-section, e.g. round or elliptic (H01M50/209, H01M50/216 take precedence)
- Y02E 60/10: Energy storage using batteries
- Y02P 70/50: Manufacturing or production processes characterised by the final manufactured product
- G01R: MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES (indicating correct tuning of resonant circuits H03J3/12)
- 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
- Y02P: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS

## Abstract

A battery cell pressing jig for assembling a battery cell includes a lower plate of which an upper surface is provided with a first pressing member for seating and arranging a plurality of battery cells thereon, an upper plate which is provided above the lower plate and of which a lower surface is provided with a second pressing member, on which the plurality of battery cells are seated in an arranged state, thereon, a pressing part configured to press both the upper plate and the lower plate toward the battery cell, and a plurality of sensing members coupled onto the upper plate to be electrically connected to the plurality of battery cells.

## Claims

### Claim 1

A battery cell pressing jig for assembling a battery cell, the battery cell pressing jig comprising:
a lower plate having an upper surface is provided with a first pressing member for seating and arranging a plurality of battery cells thereon;
an upper plate above the lower plate and having a lower surface provided with a second pressing member thereon;
a pressing part configured to press the upper plate and the lower plate toward the plurality of battery cells; and
a plurality of sensing members coupled onto the upper plate to be electrically connected to the plurality of battery cells.

### Claim 2 (depends on 1)

The battery cell pressing jig of claim 1, wherein the plurality of battery cells are cylindrical battery cells.

### Claim 3 (depends on 1)

The battery cell pressing jig of claim 1, wherein a plurality of first seating grooves, in which a lower outer periphery of each of the plurality of battery cells are seated, are formed in an upper surface of the first pressing member, and
wherein a plurality of second seating grooves, in which an upper outer periphery of each of the plurality of battery cells are seated, are formed in a lower surface of the second pressing member.

### Claim 4 (depends on 3)

The battery cell pressing jig of claim 3, wherein the first pressing member and the second pressing member are made of foam.

### Claim 5 (depends on 1)

The battery cell pressing jig of claim 1, wherein a plurality of sensing holes in which the plurality of sensing members are inserted and installed pass through the upper plate.

### Claim 6 (depends on 1)

The battery cell pressing jig according to claim 1, wherein each of the plurality of sensing members is disposed in a vertical direction corresponding to a position of an electrode terminal of a corresponding one of the plurality of battery cells seated on the first pressing member and the second pressing member.

### Claim 7 (depends on 1)

The battery cell pressing jig of claim 1, wherein each of the plurality of sensing members is a pogo pin having a conductive tip electrically connected to an electrode terminal of a corresponding one of the plurality of battery cells and is movable upwardly and downwardly by an embedded elastic member.

### Claim 8 (depends on 1)

The battery cell pressing jig of claim 1, wherein each of the plurality of sensing members is a measurement pin including a tip made of a conductive material to be electrically connected to an electrode terminal of a corresponding one of the plurality of battery cells.

### Claim 9 (depends on 1)

The battery cell pressing jig of claim 1, further comprising a measurement device configured to measure a current or voltage of a battery cell of the plurality of battery cells electrically connected to a sensing member of the plurality of sensing members.

### Claim 10 (depends on 1)

The battery cell pressing jig of claim 1, further comprising a charge/discharge device configured to charge or discharge a battery cell of the plurality of battery cells electrically connected through a sensing member of the plurality of sensing members.

### Claim 11 (depends on 1)

The battery cell pressing jig of claim 1, wherein each of the first pressing member and the second pressing member has a plurality of projections around a plurality of seating grooves.

### Claim 12 (depends on 11)

The battery cell pressing jig of claim 11, wherein each of the plurality of projections has four flat side surfaces.
