# US 2025/0096404 A1 · Battery pack and vehicle including the same

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- Number: US 2025/0096404 A1
- Document ID: US20250096404A1
- Status: Published application
- Kind: A1
- Application number: 18/663,984
- Filed: 2024-05-14
- Published: 2025-03-20
- Earliest claimed: 2023-09-15
- Assignees: Samsung SDI Co., Ltd.
- Applicants: Samsung SDI Co., Ltd.
- Inventors: Byung Kook AHN
- Web page: https://patentgrep.com/patent/US20250096404A1

## CPC

- H01M 50/244: Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
- H01M 50/367: Internal gas exhaust passages forming part of the battery cover or case; Double cover vent systems
- H01M 50/209: adapted for prismatic or rectangular cells (H01M50/216 takes precedence)
- H01M 50/242: adapted for protecting batteries against vibrations, collision impact or swelling
- H01M 50/289: characterised by spacing elements or positioning means within frames, racks or packs (spacing elements inside cells other than separators, membranes or diaphragms H01M50/471)
- H01M 50/30: Arrangements for facilitating escape of gases
- H01M 50/325: comprising deformable valve members, e.g. elastic or flexible valve members
- H01M 50/383: Flame arresting or ignition-preventing means
- H01M 50/507: comprising an arrangement of two or more busbars within a container structure, e.g. busbar modules
- B60K 1/04: of the electric storage means for propulsion
- B60K 2001/0438: {Arrangement under the floor}
- H01M 10/6556: Solid parts with flow channel passages or pipes for heat exchange (closed pipes H01M10/6552)
- 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 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
- B60K: ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION

## Abstract

A battery pack and a vehicle including the same are disclosed. A battery pack includes a housing, a plurality of battery cells, each including a first surface and a second surface opposite to each other, and a vent and a terminal on the first surface, the plurality of battery cells arranged inside the housing, a guide member between the housing and the first surface and configured to guide a flow of emissions discharged from the vent, and a buffer member between the housing and the first surface and configured to absorb an impact applied to the terminal.

## Claims

### Claim 1

A battery pack comprising:
a housing;
a plurality of battery cells, each comprising a first surface and a second surface opposite to each other, and a vent and a terminal on the first surface, the plurality of battery cells arranged inside the housing;
a guide member between the housing and the first surface and configured to guide a flow of emissions discharged from the vent; and
a buffer member between the housing and the first surface and configured to absorb an impact applied to the terminal.

### Claim 2 (depends on 1)

The battery pack as claimed in claim 1, wherein the housing comprises:
a housing body;
a first cover coupled to the housing body and facing the first surface; and
a second cover coupled to the housing body and facing the second surface.

### Claim 3 (depends on 2)

The battery pack as claimed in claim 2, wherein the housing further comprises a cooling channel inside the second cover and through which a refrigerant is configured to flow.

### Claim 4 (depends on 2)

The battery pack as claimed in claim 2, wherein the first surface faces downward, and
the first cover is located below the housing body.

### Claim 5 (depends on 2)

The battery pack as claimed in claim 2, wherein the guide member comprises:
a bus bar holder between the first cover and the first surface and comprising a bus bar connected to the terminal;
a vent bracket between the first cover and the bus bar holder;
a plurality of transfer holes extending through the bus bar holder and the vent bracket;
a first chamber inside the vent bracket and connected to a transfer hole of the plurality of transfer holes; and
a second chamber outside the vent bracket and configured to accommodate the buffer member.

### Claim 6 (depends on 5)

The battery pack as claimed in claim 5, wherein the plurality of battery cells are arranged in a first direction, and
the first chamber and the second chamber extend in the first direction.

### Claim 7 (depends on 6)

The battery pack as claimed in claim 6, wherein the first chamber and the second chamber are alternately arranged in a second direction crossing the first direction.

### Claim 8 (depends on 5)

The battery pack as claimed in claim 5, wherein the vent bracket comprises:
a bracket body around the first chamber;
a first extension portion extending from the bracket body and in contact with the first cover; and
a second extension portion extending from the first extension portion and in contact with the housing body.

### Claim 9 (depends on 8)

The battery pack as claimed in claim 8, wherein the guide member further comprises a sealing member configured to seal the first chamber and the transfer hole.

### Claim 10 (depends on 9)

The battery pack as claimed in claim 9, wherein the sealing member comprises:
a first sealing member between the first cover and the first extension portion;
a second sealing member between the bus bar holder and the bracket body; and
a third sealing member between the bus bar holder and the first surface.

### Claim 11 (depends on 10)

The battery pack as claimed in claim 10, wherein the sealing member further comprises a fourth sealing member inside the second chamber.

### Claim 12 (depends on 8)

The battery pack as claimed in claim 8, wherein the guide member further comprises a fixing member connected to the vent bracket and configured to prevent movement of the vent bracket.

### Claim 13 (depends on 12)

The battery pack as claimed in claim 12, wherein the fixing member comprises:
a first fixing body passing through the second extension portion and inserted in the housing body;
a second fixing body inside the housing body and coupled to the first fixing body; and
a pressing flange extending from the first fixing body and configured to press the second extension portion toward the housing body.

### Claim 14 (depends on 8)

The battery pack as claimed in claim 8, wherein the guide member further comprises a plurality of reinforcing members configured to reinforce rigidity of the vent bracket.

### Claim 15 (depends on 14)

The battery pack as claimed in claim 14, wherein the plurality of battery cells are arranged in a first direction, and
the transfer holes and the reinforcing members are alternately arranged in the first direction.

### Claim 16 (depends on 15)

The battery pack as claimed in claim 15, wherein the reinforcing members protrude from the bracket body, and
the reinforcing members are arranged such that a longitudinal direction thereof is parallel to a second direction crossing the first direction.

### Claim 17 (depends on 5)

The battery pack as claimed in claim 5, wherein the terminal is provided as a pair, and
the buffer member comprises:
a first pad on a side of the vent bracket and facing a terminal of the pair of terminals; and
a second pad on another side of the vent bracket and facing another terminal of the pair of terminals.

### Claim 18 (depends on 17)

The battery pack as claimed in claim 17, wherein the first pad and the second pad are elastically deformable.

### Claim 19

A vehicle comprising:
a vehicle body; and
a battery pack coupled to the vehicle body,
wherein the battery pack comprises:
a housing;
a plurality of battery cells, each comprising a first surface and a second surface opposite to each other, and a vent and a terminal on the first surface, the plurality of battery cells arranged inside the housing;
a guide member between the housing and the first surface and configured to guide a flow of emissions discharged from the vent; and
a buffer member between the housing and the first surface and configured to absorb an impact applied to the terminal.

### Claim 20 (depends on 19)

The vehicle as claimed in claim 19, wherein the battery pack is located below the vehicle body, and
the first surface faces downward.
