Secondary Battery
US-2024421418-A1 · Dec 19, 2024 · US
Battery module and battery pack
US2026058296A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2026058296-A1 |
| Application number | US-202519303377-A |
| Country | US |
| Kind code | A1 |
| Filing date | Aug 19, 2025 |
| Priority date | Aug 22, 2024 |
| Publication date | Feb 26, 2026 |
| Grant date | — |
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- Title
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- Abstract
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- First independent claim
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Abstract
Official abstract text for this publication.
A battery module includes a cell array including a plurality of battery cells and a module housing accommodating the cell array, wherein the module housing includes a lower frame and an upper cover, the upper cover includes a venting portion, and the venting portion includes a weakened portion formed to be at least partially melted at or above a set temperature.
First claim
Opening claim text (preview).
What is claimed is: 1 . A battery module comprising: a cell array including a plurality of battery cells; and a module housing accommodating the cell array, wherein the module housing includes a lower frame and an upper cover, the upper cover includes a venting portion, and the venting portion includes a weakened portion formed to be at least partially melted at or above a set temperature. 2 . The battery module of claim 1 , wherein the upper cover includes a base plate, and the venting portion protrudes upwardly from the base plate. 3 . The battery module of claim 2 , wherein the venting portion includes a body portion, and the weakened portion is formed to be thinner than the body portion. 4 . The battery module of claim 3 , wherein the weakened portion is disposed along a periphery of the body portion and is connected to the base plate. 5 . The battery module of claim 4 , wherein a thickness of the base plate is 1.5 mm or more and 5 mm or less. 6 . The battery module of claim 5 , wherein the venting portion protrudes upwardly from the base plate by 40% or more and 60% or less of a thickness of the base plate. 7 . The battery module of claim 1 , wherein the cell array includes blocking members arranged in a first direction, which is an arrangement direction of the plurality of battery cells. 8 . The battery module of claim 7 , wherein the blocking member is disposed to not overlap the venting portion in a second direction, perpendicular to the first direction. 9 . The battery module of claim 1 , wherein the upper cover includes a base plate, and the weakened portion is formed to be thinner than the base plate. 10 . The battery module of claim 9 , wherein the venting portion is formed integrally with the base plate. 11 . A battery module comprising: a cell array including a plurality of battery cells; a module housing accommodating the cell array and including a lower frame and an upper cover; and a heat-resistant member disposed between the upper cover and the cell array, wherein the upper cover includes a venting portion, the venting portion includes a weakened portion formed to be at least partially melted at a set temperature, and the heat-resistant member includes a melting guide portion formed at a position corresponding to the weakened portion. 12 . The battery module of claim 11 , wherein the heat-resistant member includes a heat-resistant material to block high-temperature heat at the set temperature. 13 . The battery module of claim 11 , wherein the melting guide portion includes a hole formed in a position corresponding to the weakened portion. 14 . A battery pack comprising: a plurality of battery modules; and a pack housing accommodating the plurality of battery modules, wherein each of the plurality of battery modules includes: a cell array including a plurality of battery cells; and a module housing accommodating the cell array, wherein the module housing includes a lower frame and an upper cover, the upper cover includes a venting portion, and the venting portion includes a weakened portion formed to be at least partially melted at a set temperature.
Assignees
Inventors
Classifications
Energy storage using batteries · CPC title
Temperature sensitive devices · CPC title
Lids or covers for the racks or secondary casings · CPC title
Vent means sensitive to or responsive to temperature · CPC title
Flame arresting or ignition-preventing means · CPC title
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Frequently asked questions
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- What does patent US2026058296A1 cover?
- A battery module includes a cell array including a plurality of battery cells and a module housing accommodating the cell array, wherein the module housing includes a lower frame and an upper cover, the upper cover includes a venting portion, and the venting portion includes a weakened portion formed to be at least partially melted at or above a set temperature.
- Who is the assignee on this patent?
- Sk On Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification H01M50/3425. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Thu Feb 26 2026 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).