Energy and Industry 4.0
South 8 Technologies
South 8 Technologies, Inc. develops LiGas, a liquefied gas electrolyte that enables lithium-ion batteries to operate safely in extreme temperatures from -60 to 60 °C while significantly reducing fire risk. This technology enhances energy density and supports fast charging, making it suitable for diverse applications, including electric vehicles and energy storage systems.
- Battery Technology
- Clean Technology
- Energy
- Manufacturing / Industry 4.0
Updated 8 months ago
Funding
Raised to date
$20MRaised to date based on public sources. This may differ from the amount the company actually raised and is based only on what is publicly available on the internet.
across 2 rounds
LMWL$11M · Undisclosed Follow-On
Announced Dec 2025
Disclosed cumulative: $20M
2/2
RoundDateAmountValuationInvestors
Founders
Product
Problem
Lithium-ion batteries face performance and safety limitations in extreme temperatures, hindering their use in demanding environments such as aerospace, defense, and cold climates. Conventional liquid electrolytes in these batteries can pose fire risks and exhibit reduced energy capacity at low temperatures.
Solution
South 8 Technologies offers LiGas, a liquefied gas electrolyte that enables lithium-ion batteries to operate safely and efficiently across a wide temperature range, from -60 to +60 degrees Celsius. This innovative electrolyte significantly reduces fire risk due to its minimal thermal propagation potential and enhances battery performance in extreme conditions. LiGas supports fast charging and higher energy density, expanding the application of lithium-ion batteries to electric vehicles, energy storage systems, and specialized sectors like defense and aerospace. South 8 provides both finished LiGas cells and a LiGas electrolyte and injection integration kit for cell manufacturers.
Target Audience
The primary target audience includes manufacturers of lithium-ion batteries for electric vehicles, energy storage systems, defense applications, and aerospace, as well as end-users in these sectors requiring reliable battery performance in extreme conditions.
Features
- Operates from -60 to +60 degrees Celsius, enabling battery function in extreme climates.
- Reduces fire risk with minimal thermal propagation potential and a thermal fuse for rapid electrolyte evacuation.
- Supports fast charging due to high conductivity and low impedance.
- Compatible with high-manganese cathodes and higher loading electrodes for reduced cost.
- Offers high voltage stability, enabling new battery chemistries like LNMO.
- Leverages an established U.S. gas manufacturing supply chain for reliable sourcing.
- Available as finished cells or as a LiGas electrolyte and injection integration kit.