US12573684USUSPTO Grant XML

Flame resistant battery module

A battery module includes at least one cell group, and a heat dissipating member coupled to one side of the at least one cell group to externally dissipate heat generated in the at least one cell group, wherein the at least one cell group includes at least one battery cell stack, a flame retardant cover coupled to the battery cell stack to encase both side surfaces and an upper portion of the battery cell stack, and a flame retardant member disposed between an upper surface of the battery cell stack and the flame retardant cover and formed of a porous material.

Patent

Brief

Patent brief

Problem

How can battery fires and thermal runaway in EV packs be prevented?

Novelty

Fire-resistant electrolytes is reinforced by front-page matches on flame retardant.

Uses

Lithium-ion cells, EV batteries, Grid storage

Assignee

SK On Co., Ltd.

Published

Mar 10, 2026

Inventors

Hae Ryong Jeon, Ho Yeon Kim, Kang Gu Lee, Seo Roh Rhee

Domain

Mobility / storage

Plain-English summary

Problem

How can battery fires and thermal runaway in EV packs be prevented?

Solution

battery module includes at least one cell group, and a heat dissipating member coupled to one side of the at least one cell group to externally dissipate heat generated in the at least one cell group, wherein the at least one cell group includes at least one battery cell stack, a flame retardant cover coupled to the battery cell stack to encase both side surfaces and an upper portion of the battery cell stack, and a flame retardant member disposed between an upper surface of the battery cell stack and the flame retardant cover and formed of a porous material.

Key novelty

Fire-resistant electrolytes is reinforced by front-page matches on flame retardant.

Applications

Lithium-ion cellsEV batteriesGrid storage

Relevant search intents

flame retardant

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