# US 9,437,859 B2 · Battery cell interconnect and voltage sensing assembly and a battery module

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- Number: US 9,437,859 B2
- Document ID: US9437859B2
- Status: Granted
- Kind: B2
- Application number: 14/246,178
- Filed: 2014-04-07
- Published: 2015-10-08
- Granted: 2016-09-06
- Earliest claimed: 2014-04-07
- Assignees: LG Chem, Ltd.
- Applicants: LG Chem, Ltd.
- Inventors: Robert Merriman; Heekook Yang
- Web page: https://patentgrep.com/patent/US9437859B2

## CPC

- H01M 10/4207: {for several batteries or cells simultaneously or sequentially}
- H01M 10/482: {for several batteries or cells simultaneously or sequentially}
- H01M 50/211: adapted for pouch cells
- H01M 50/227: Organic material
- H01M 50/298: characterised by the wiring of battery packs
- H01M 50/503: characterised by the shape of the interconnectors
- H01M 50/517: by fixing means, e.g. screws, rivets or bolts
- H01M 10/6557: arranged between the cells
- H01M 50/51: Connection only in series
- H01M 2010/4271: {Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing}
- 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

A battery cell interconnect and voltage sensing assembly is provided. The assembly includes a plastic frame member having a first side and a second side, and first, second, third and fourth elongated apertures extending therethrough. The assembly further includes an elongated interconnect member coupled to the plastic frame member and extends past both the first and third apertures. The elongated interconnect member is coupled to both a first electrical terminal of a first battery cell extending through the first elongated aperture, and a first electrical terminal of a second battery cell extending through the third elongated aperture. The elongated interconnect member has a spade lug coupled to a wire harness assembly.

## Claims

### Claim 1

A battery cell interconnect and voltage sensing assembly, comprising:
a plastic frame member having a first side and a second side, the plastic frame member having first, second, third and fourth elongated apertures extending therethrough; the first, second, third and fourth elongated apertures extending substantially parallel to a longitudinal axis of the plastic frame member, the first and second elongated apertures being centered about a first axis, the third and fourth elongated apertures being centered about a second axis, the first and second axes being perpendicular to the longitudinal axis and disposed a longitudinal distance apart from one another;
an elongated interconnect member being coupled to the plastic frame member and extending past both the first and third apertures, the elongated interconnect member being configured to be electrically and physically coupled to both a first electrical terminal of a first battery cell extending through the first elongated aperture, and a first electrical terminal of a second battery cell extending through the third elongated aperture; the elongated interconnect member having a spade lug;
a first interconnect member being coupled to the plastic frame member on the first side thereof, the first interconnect member being configured to be electrically and physically coupled to a first electrical terminal of a third battery cell extending through the second elongated aperture, the first interconnect member having a spade lug;
a second interconnect member being coupled to the plastic frame member on the first side thereof, the second interconnect member being configured to be electrically and physically coupled to a first electrical terminal of a fourth battery cell extending through the fourth elongated aperture, the second interconnect member having a spade lug; and
a wire harness assembly having first, second, and third spade clips; the first spade clip being electrically and physically coupled to the spade lug of the elongated interconnect member; the second spade clip being electrically and physically coupled to the spade lug of the first interconnect member; the third spade clip being electrically and physically coupled to the spade lug of the second interconnect member.

### Claim 2 (depends on 1)

The battery cell interconnect and voltage sensing assembly of claim 1, wherein the spade lug of the first interconnect member has a spade lug aperture extending therethrough.

### Claim 3 (depends on 2)

The battery cell interconnect and voltage sensing assembly of claim 2, wherein the spade lug aperture is substantially rectangular-shaped and is configured to receive a latching member of the second spade clip therethrough.

### Claim 4 (depends on 1)

The battery cell interconnect and voltage sensing assembly of claim 1, wherein the first interconnect member has first and second plate portions, an extension portion, and the spade lug thereof; the second plate portion being coupled to an end of the first plate portion and extending substantially perpendicular to the first plate portion; the extension portion being coupled to an end of the second plate portion and extending substantially parallel to the second plate portion; the spade lug of the first interconnect member being coupled to the extension portion and extending substantially perpendicular to the first plate portion.

### Claim 5 (depends on 4)

The battery cell interconnect and voltage sensing assembly of claim 4, wherein the first plate portion is coupled to the plastic frame member.

### Claim 6 (depends on 1)

The battery cell interconnect and voltage sensing assembly of claim 1, further comprising first, second, and third electrical cables, and an electrical connector; the first electrical cable being electrically and physically coupled to both the first spade clip and the electrical connector, the second electrical cable being electrically and physically coupled to both the second spade clip and the electrical connector, the third electrical cable being electrically and physically coupled to both the third spade clip and the electrical connector.

### Claim 7

A battery module, comprising:
a first battery cell having a first housing and first and second electrical terminals extending outwardly from first and second ends, respectively, of the first housing;
a second battery cell having a second housing and first and second electrical terminals extending outwardly from first and second ends, respectively, of the second housing;
a third battery cell having a third housing and first and second electrical terminals extending outwardly from first and second ends, respectively, of the third housing;
a fourth battery cell having a fourth housing and first and second electrical terminals extending outwardly from first and second ends, respectively, of the fourth housing;
a first battery cell interconnect and voltage sensing assembly having a first plastic frame member, an elongated interconnect member, a first interconnect member, a second interconnect member, and a first wire harness assembly;
the first plastic frame member having a first side and a second side, the first plastic frame member having first, second, third and fourth elongated apertures extending therethrough; the first, second, third and fourth elongated apertures extending substantially parallel to a longitudinal axis of the first plastic frame member, the first and second elongated apertures being centered about a first axis, the third and fourth elongated apertures being centered about a second axis, the first and second axes being perpendicular to the longitudinal axis and disposed a longitudinal distance apart from one another;
the elongated interconnect member being coupled to the first plastic frame member and extending past both the first and third apertures, the elongated interconnect member being configured to be electrically and physically coupled to both the first electrical terminal of the first battery cell extending through the first elongated aperture, and the first electrical terminal of the second battery cell extending through the third elongated aperture; the elongated interconnect member having a spade lug;
the first interconnect member being coupled to the first plastic frame member on the first side thereof, the first interconnect member being electrically and physically coupled to the first electrical terminal of the third battery cell extending through the second elongated aperture, the first interconnect member having a spade lug;
the second interconnect member being coupled to the first plastic frame member on the first side thereof, the second interconnect member being electrically and physically coupled to the first electrical terminal of the fourth battery cell extending through the fourth elongated aperture, the second interconnect member having a spade lug; and
a first wire harness assembly having first, second, and third spade clips; the first spade clip being electrically and physically coupled to the spade lug of the elongated interconnect member; the second spade clip being electrically and physically coupled to the spade lug of the first interconnect member; the third spade clip being electrically and physically coupled to the spade lug of the second interconnect member.

### Claim 8 (depends on 7)

The battery module of claim 7, wherein the spade lug of the first interconnect member has a spade lug aperture extending therethrough.

### Claim 9 (depends on 8)

The battery module of claim 8, wherein the spade lug aperture is substantially rectangular-shaped and is configured to receive a latching member of the second spade clip therethrough.

### Claim 10 (depends on 7)

The battery module of claim 7, wherein the first interconnect member has first and second plate portions, an extension portion, and the spade lug thereof; the second plate portion being coupled to an end of the first plate portion and extending substantially perpendicular to the first plate portion; the extension portion being coupled to an end of the second plate portion and extending substantially parallel to the second plate portion; the spade lug of the first interconnect member being coupled to the extension portion and extending substantially perpendicular to the first plate portion.

### Claim 11 (depends on 10)

The battery module of claim 10, wherein the first plate portion is coupled to the first plastic frame member.

### Claim 12 (depends on 7)

The battery module of claim 7, further comprising first, second, and third electrical cables, and an electrical connector; the first electrical cable being electrically and physically coupled to both the first spade clip and the electrical connector, the second electrical cable being electrically and physically coupled to both the second spade clip and the electrical connector, the third electrical cable being electrically and physically coupled to both the third spade clip and the electrical connector.

### Claim 13 (depends on 7)

The battery module of claim 7, further comprising a second battery cell interconnect and voltage sensing assembly being electrically and physically coupled to the second electrical terminal of the first battery cell, the second electrical terminal of the second battery cell, the second electrical terminal of the third battery cell, and the second electrical terminal of the fourth battery cell.