# US 2025/0096340 A1 · Battery module

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- Number: US 2025/0096340 A1
- Document ID: US20250096340A1
- Status: Published application
- Kind: A1
- Application number: 18/630,847
- Filed: 2024-04-09
- Published: 2025-03-20
- Earliest claimed: 2023-09-15
- Assignees: Samsung SDI Co., Ltd.
- Applicants: Samsung SDI Co., Ltd.
- Inventors: Hyeok LEE
- Web page: https://patentgrep.com/patent/US20250096340A1

## CPC

- H01M 10/486: {for measuring temperature}
- G01K 1/14: Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
- H01M 10/425: {Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing (printed circuits H05K1/00)}
- H01M 10/48: Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte (constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals, H01M50/569)
- H01M 10/482: {for several batteries or cells simultaneously or sequentially}
- H01M 10/637: characterised by the use of reversible temperature-sensitive devices, e.g. NTC, PTC or bimetal devices; characterised by control of the internal current flowing through the cells, e.g. by switching (means for preventing undesired use or discharge H01M50/572)
- H01M 50/284: with incorporated circuit boards, e.g. printed circuit boards [PCB]
- 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
- H01M 50/519: comprising 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
- H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- G01K: MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR (radiation pyrometry G01J5/00)
- Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION

## Abstract

A battery module is provided. In an example embodiment, a battery module includes: a battery cell, a bus bar holder facing the battery cell, a first substrate seated on the bus bar holder, a second substrate extending from the first substrate, and including a first surface facing the battery cell and a second surface opposite to the first surface, a detection member on the second surface and configured to detect a temperature of the battery cell, a support member on the first surface and in contact with the battery cell, and a pressing member connected to the bus bar holder and configured to press the support member toward the battery cell.

## Claims

### Claim 1

A battery module comprising:
a battery cell;
a bus bar holder facing the battery cell;
a first substrate seated on the bus bar holder;
a second substrate extending from the first substrate, and comprising a first surface facing the battery cell and a second surface opposite to the first surface;
a detection member on the second surface and configured to detect a temperature of the battery cell;
a support member on the first surface and in contact with the battery cell; and
a pressing member connected to the bus bar holder and configured to press the support member toward the battery cell.

### Claim 2 (depends on 1)

The battery module as claimed in claim 1, wherein the second substrate is a flexible printed circuit board.

### Claim 3 (depends on 1)

The battery module as claimed in claim 1, wherein the second substrate is provided in plural, and
the plural second substrates are arranged in a length direction of the first substrate.

### Claim 4 (depends on 1)

The battery module as claimed in claim 1, wherein the second substrate comprises:
an extension part of which a first side is connected to the first substrate and a second side protrudes to an outside of the first substrate; and
a mounting part connected to the second side of the extension part and configured to support the detection member and the support member.

### Claim 5 (depends on 4)

The battery module as claimed in claim 4, wherein the bus bar holder comprises an insertion hole, and
the mounting part is inserted in the insertion hole.

### Claim 6 (depends on 1)

The battery module as claimed in claim 1, wherein the detection member comprises:
a temperature sensor fixed to the second surface; and
a coating layer surrounding the temperature sensor.

### Claim 7 (depends on 1)

The battery module as claimed in claim 1, wherein the support member comprises:
a support plate fixed to the first surface; and
a contact member protruding from the support plate toward the battery cell and in contact with the battery cell.

### Claim 8 (depends on 7)

The battery module as claimed in claim 7, wherein the contact member is elastically deformable.

### Claim 9 (depends on 7)

The battery module as claimed in claim 7, wherein the contact member comprises one or more bridges each comprising end portions connected to the support plate and a central portion spaced apart from the support plate.

### Claim 10 (depends on 9)

The battery module as claimed in claim 9, wherein a side surface of the bridge is spaced from the support plate.

### Claim 11 (depends on 7)

The battery module as claimed in claim 7, wherein the contact member comprises one or more flaps each comprising an end portion connected to the support plate and another end portion spaced apart from the support plate.

### Claim 12 (depends on 11)

The battery module as claimed in claim 11, wherein each of the flaps is inclined with respect to the support plate.

### Claim 13 (depends on 7)

The battery module as claimed in claim 7, wherein the contact member comprises one or more contact protrusions each comprising a curved outer surface.

### Claim 14 (depends on 7)

The battery module as claimed in claim 7, wherein the contact member comprises one or more louvers each comprising a surface having a curved shape and another surface being open.

### Claim 15 (depends on 7)

The battery module as claimed in claim 7, wherein the support member further comprises a slit extending through the support plate and facing the contact member.

### Claim 16 (depends on 1)

The battery module as claimed in claim 1, wherein the pressing member comprises:
a first pressing body fixed to the bus bar holder;
a second pressing body extending from the first pressing body and comprising an end portion in contact with the second surface; and
a receiving hole extending through the end portion of the second pressing body and in which the detection member is inserted.

### Claim 17 (depends on 16)

The battery module as claimed in claim 16, wherein the second pressing body has a cross-sectional area that decreases toward the end portion thereof.

### Claim 18 (depends on 16)

The battery module as claimed in claim 16, wherein a cross-sectional area of the receiving hole is greater than a cross-sectional area of the detection member.
