# US 8,784,140 B2 · Terminal contacting part included in a jig for charging and discharging a secondary battery and the jig including the same

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- Number: US 8,784,140 B2
- Document ID: US8784140B2
- Status: Granted
- Kind: B2
- Application number: 13/927,661
- Filed: 2013-06-26
- Published: 2013-10-31
- Granted: 2014-07-22
- Earliest claimed: 2010-09-17
- Assignees: LG Chem, Ltd.
- Applicants: LG Chem, Ltd.
- Inventors: Seung Yeob Park; Ho Sub Jung; Young Joon Shin
- Web page: https://patentgrep.com/patent/US8784140B2

## CPC

- H01R 13/24: resilient; resiliently-mounted
- H01M 10/44: Methods for charging or discharging (circuits for charging H02J7/00)
- H01R 4/489: {spring force increased by screw, cam, wedge, or other fastening means}
- H01R 4/5008: {using rotatable cam}
- G01R 31/364: Battery terminal connectors with integrated measuring arrangements
- Y02E 60/10: Energy storage using batteries
- H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- G01R: MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES (indicating correct tuning of resonant circuits H03J3/12)
- Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION

## Abstract

A terminal contacting part includes in a jig for charging and discharging a secondary battery and a jig including the terminal contacting part. The terminal contacting part has a conductive unit for contacting an electrode terminal and conducting thereto and a pressing unit for pressing the electrode terminal for the conductive unit to be in tight contact with an electrode lead of a secondary battery. A compressing plate to be in contact with an electrode terminal includes a pad of dielectric-elastic material.

## Claims

### Claim 1

A terminal contacting part included in a jig for charging and discharging a secondary battery, comprising:
a conductive unit for contacting an electrode lead of the secondary battery to flow current therein; and
a pressing unit for pressing the electrode lead for the conductive unit to be in tight contact with the electrode lead of the secondary battery,
wherein the pressing unit comprises:
a pressing bar for operating the pressing unit; and
a compressing plate to contact the electrode lead,
wherein the pressing bar is operated for the compressing plate to vertically descend to be in tight contact with the electrode lead in all area of the compressing plate with a same pressure simultaneously,
wherein the pressing bar is pivotally rotated around a rotation axis and the compressing plate connected to the pressing bar is moved vertically up-downward depending on a rotation movement of the pressing bar, and
wherein the compressing plate is provided with a pad of dielectric-elastic material.

### Claim 2 (depends on 1)

The terminal contacting part of claim 1, wherein the pad of dielectric-elastic material is formed on a lower surface of the compressing plate.

### Claim 3 (depends on 1)

The terminal contacting part of claim 1, wherein the dielectric-elastic material has a melting point of more than 100° C.

### Claim 4 (depends on 1)

The terminal contacting part of claim 1, wherein the dielectric-elastic material is made of one selected from a group of nitrile butadiene rubber, fluoro rubber, HBR (High cis BR), Styrene Butadiene Rubber, Chloroprene Rubber, Ethylene Propylene Terpolymers, EPDM, and silicon rubber.

### Claim 5 (depends on 1)

The terminal contacting part of claim 1, wherein an area of the compressing plate is in a range of 75-125% of an area of an electrode terminal.

### Claim 6 (depends on 1)

The terminal contacting part of claim 1, wherein the dielectric-elastic material is formed to surround whole compressing plate.

### Claim 7 (depends on 1)

A jig for charging and discharging the secondary battery comprising the terminal contacting part according to claim 1.

### Claim 8 (depends on 7)

The jig for charging and discharging the secondary battery of claim 7, wherein the terminal contacting part is detachable to be applied to all of the secondary battery in which a cathode terminal and an anode terminal are protruded to one direction or to opposite directions.