USPTO Patent Granted for Battery Heat and Gas Isolation Material

ChangeBridge: Patent Grants - Batteries (H01M)

Published March 24th, 2026

Detected March 26th, 2026

Summary

The USPTO has granted a patent to COOMMEE CO., LTD. for a composite material designed to isolate heat and combustion-supporting gases, intended for protecting lithium-ion batteries from thermal runaway. The patent details a layered structure incorporating various materials to provide insulation and heat conduction.

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What changed

The United States Patent and Trademark Office (USPTO) has granted patent US12586844B2 to COOMMEE CO., LTD. for a novel composite material. This material is engineered with a specific layered structure, including carbon-silicon foam, acrylic resin, glass fiber cloth, silicone, carbon fiber, and quartz wool, to provide heat insulation, combustion-supporting gas isolation, heat conduction, and anti-breakdown functionalities. The primary application is for protecting lithium-ion batteries from thermal runaway events.

This patent grant signifies a new intellectual property asset for COOMMEE CO., LTD. in the battery technology sector. While not imposing direct compliance obligations on other entities, it highlights advancements in battery safety materials. Companies involved in battery manufacturing, particularly lithium-ion batteries, may consider this patented technology in their own research and development or supply chain considerations.

Source document (simplified)

← USPTO Patent Grants

Composite material having function of isolating heat and combustion supporting gas

Grant US12586844B2 Kind: B2 Mar 24, 2026

Assignee

COOMMEE CO., LTD.

Inventors

Chun-Feng Huang, Pei-Jan Ho

Abstract

A composite material having a function of isolating heat and combustion supporting gases is disclosed. A layered structure of the composite material includes a carbon-silicon foam layer, a first acrylic resin layer, a glass fiber cloth layer, a second acrylic resin layer, a first silicone layer, a carbon fiber layer, a second silicone layer, a quartz wool layer, and a third silicone layer. Due to the layered structure of carbon-silicon foam material, glass fiber cloth, carbon fiber and quartz wool, the composite material can provide functions such as heat insulation, combustion-supporting gases insulation, heat conduction, and anti-breakdown for protecting lithium-ion batteries from thermal runaway.