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Gas fire suppression equipment manufacturer
From blueprint design to cylinder inspection, from installation and commissioning to remote operations and maintenance—Xinlin’s 3,500-square-meter smart manufacturing base simplifies fire‑protection engineering.
Why has the perfluorohexanone‑based automatic fire‑extinguishing system for lithium batteries become the top choice for energy‑storage safety?
2026-06-27
Abstract: Fires in lithium‑battery energy storage systems occur frequently, with an extremely high risk of thermal runaway; equipping such systems with dedicated automatic fire‑extinguishing devices has become an industry necessity. The mandatory national standard GB 44240‑2024 has now been officially implemented, requiring enhanced fire‑safety design for energy storage systems. This paper provides an in-depth analysis of the operating principles and core components of lithium‑battery automatic fire‑extinguishing systems, as well as why perfluorohexanone is regarded as the optimal extinguishing agent for lithium batteries. As a specialized fire‑protection brand, Xinlin Fire has introduced a perfluorohexanone‑based automatic fire‑extinguishing system that offers rapid response, precise suppression, long‑term prevention of reignition, and clean, residue‑free performance. These features make it widely applicable to energy storage power stations, battery cabinets, commercial and industrial energy storage units, and other settings, providing reliable safeguards for energy‑storage safety.
Why are lithium‑battery fires so extremely dangerous? Why must energy‑storage systems be equipped with automatic fire‑extinguishing systems?
Lithium‑ion batteries can experience thermal runaway under extreme conditions such as high temperatures, overcharging, or short circuits. Once ignited, the temperature rises sharply, the fire spreads rapidly, and it is extremely difficult to extinguish. Energy storage systems consist of numerous battery modules arranged in close proximity, making heat buildup inevitable; a fire in a single module can quickly trigger a chain reaction, leading to large‑scale conflagrations. In recent years, fires at energy storage facilities have occurred with alarming frequency worldwide—for example, two separate incidents at the Moss Landing Energy Storage Facility in the United States forced the evacuation of thousands, while a lithium‑ion battery fire at a national‑level data center in South Korea caused a nationwide network outage.
Against this backdrop, the mandatory national standard GB 44240-2024, which came into effect on August 1, 2025, explicitly requires energy storage systems to incorporate enhanced safety designs and be equipped with reliable automatic fire‑extinguishing systems. Automatic fire‑extinguishing systems for lithium batteries have thus been upgraded from “optional” to “mandatory.”
Why is perfluorohexanone the optimal extinguishing agent for lithium‑battery fires?
Perfluorohexanone (C₆F₁₂O) is a colorless, odorless, non-conductive liquid with a boiling point of only 49.2°C. Its fire‑extinguishing mechanism operates through a threefold action:
Efficient cooling: Absorbs substantial heat during vaporization, achieving rapid temperature reduction.
Chemical inhibition: Interrupts the combustion chain reaction, effectively preventing reignition.
Oxygen isolation: After vaporization, it covers the ignition source and dilutes oxygen.
It offers significant advantages compared to other fire extinguishing agents:
Extinguishing agent |
Effect |
Main issue |
Carbon dioxide |
Can extinguish open flames |
Insufficient cooling can easily lead to reignition. |
Heptafluoropropane |
Effectively inhibit |
GWP as high as 2050, corrosive |
Perfluorohexanone |
Effectively suppresses and provides long-lasting flame-retardant protection against re-ignition. |
GWP=1, non-conductive, residue-free |
Dry powder/water |
Limited |
Temperature differences may pose a risk of short circuits. |
Perfluorohexanone has an extremely low global warming potential (GWP = 1) and a very short atmospheric lifetime of only five days, making it an ideal alternative to heptafluoropropane.
What are the primary application scenarios for lithium battery fire suppression systems?
The Xinlin lithium‑battery fire‑extinguishing system covers multiple critical sectors:
Energy storage systems: Deployed in electrochemical energy storage power stations, prefabricated modular energy storage stations, and similar facilities—these are essentially automated fire suppression systems for energy storage. With China’s installed capacity of new‑type energy storage exceeding 144.7 GW, demand in this area continues to surge.
Battery Cabinet: The battery‑cabinet‑specific automatic fire‑extinguishing system is designed for confined spaces, employing a point‑spray delivery method with multiple discharge cycles to extend suppression duration. It is suitable for use in distribution cabinets, data center racks, battery compartments, and similar applications.
Commercial and Industrial Energy Storage Systems: These fire‑extinguishing systems are specifically designed for energy storage cabinets, featuring an integrated temperature‑and‑electricity‑controlled, non‑pressurized extinguishing unit. Some configurations combine perfluorohexanone with water‑based fire suppression in a single, all‑round protection solution.
Lithium‑battery energy storage system cabinet: The cabinet’s automatic fire‑extinguishing system employs a three‑level fire‑protection strategy, extinguishing fires at the cell level and preventing the propagation of thermal runaway.
With the explosive growth of the lithium‑battery energy‑storage industry, fire safety has become a central concern. Demand for automatic lithium‑battery fire‑extinguishing devices and intelligent lithium‑battery fire‑suppression systems continues to rise. Whether it’s an energy‑storage system, a battery cabinet, or an industrial‑commercial storage enclosure, choosing a reputable brand and compliant products is the most reliable safeguard for energy‑storage safety. The China Fire Protection Association has officially issued Announcement No. 17 [2026], approving the release of the group standard “Technical Code for Perfluorohexanone Fire‑Extinguishing Systems” (Standard Number: T/CFPA 054‑2026). This standard will come into effect on June 1, 2026, providing a unified technical basis and normative guidance for the design, construction, acceptance, and operation‑and‑maintenance management of perfluorohexanone fire‑extinguishing systems in China. Notably, Xinlin Fire Protection, as one of the participating drafting units, played a key role in developing this standard, contributing its professional expertise to refine its technical content.
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The company’s core offerings include: clean‑gas fire suppression systems, with one‑stop services for design, manufacturing, installation, and maintenance; heptafluoropropane (FM‑200, HFC‑227ea) fire suppression systems; Novec 1230 (perfluorohexanone) clean‑gas fire suppression systems; IG‑541 mixed‑gas and IG‑100 nitrogen fire suppression systems; high‑pressure piped‑network carbon dioxide (CO₂) fire suppression systems; and intelligent gas‑based fire alarm control panels.











