Summary
- 24M Technologies expands Eternalyte electrolytes to improve battery charge rate and cold-temperature performance
- Eternalyte offers high ionic conductivity and seamlessly integrates into manufacturing processes
- Eternalyte provides up to three times the ionic conductivity of standard electrolytes without impacting energy density
- Eternalyte preserves battery performance at extremely low temperatures, retaining over 80% of capacity at -20° C
- Eternalyte’s viscosity is compatible with conventional manufacturing equipment for enhanced battery safety and performance.
Article
24M Technologies has recently expanded its portfolio of Eternalyte electrolytes, which are specifically designed to enhance the charge rate and cold-temperature performance of batteries. Originally introduced in February 2024 for lithium metal batteries, the new and improved Eternalyte offering is now suitable for silicon- and graphite-based batteries commonly used in applications that require high power and good low-temperature performance. The company claims that Eternalyte delivers high rate capability and can be seamlessly integrated into existing manufacturing processes to enhance battery performance and achieve superior safety.
According to 24M, Eternalyte electrolytes offer up to three times the ionic conductivity of standard electrolytes, with approximately 26mS/cm at 25° C and a lithium ion transference number of around 0.6. This increase in ionic conductivity significantly boosts the potential charging rate of batteries without impacting energy density, regardless of the battery chemistry being used. Additionally, the high ionic conductivity of Eternalyte helps maintain battery performance even at extremely low temperatures. Cells containing Eternalyte can retain over 80% of their capacity at a 1C rate and a cell temperature of -20° C, making them ideal for electric vehicles that require consistent performance in cold weather conditions.
24M highlights that Eternalyte’s viscosity is compatible with conventional manufacturing equipment, making it easier for battery manufacturers to incorporate this advanced electrolyte into their production processes. Naoki Ota, CEO of 24M, stated that while Eternalyte was originally designed for lithium metal batteries, the company quickly realized its far-reaching benefits for all types of batteries. By combining Eternalyte with Impervio separators, 24M aims to enhance the safety and performance of batteries, improve consumer experiences, and open up new markets for electrically powered products.
The introduction of Eternalyte electrolytes by 24M Technologies signals a significant advancement in the field of battery technology, particularly in terms of charge rate and cold-temperature performance. With its enhanced ionic conductivity and compatibility with various battery chemistries, Eternalyte has the potential to revolutionize the way batteries are manufactured and utilized in a wide range of applications, including electric vehicles. The ability of Eternalyte to maintain battery performance at low temperatures and its seamless integration into existing manufacturing processes make it a promising solution for enhancing the overall efficiency and safety of batteries.
24M Technologies’ focus on improving battery performance and safety through the development of innovative materials like Eternalyte underscores the company’s commitment to advancing the electric vehicle and energy storage industries. By offering electrolytes that enable higher charging rates and better low-temperature performance, 24M aims to address key challenges faced by battery manufacturers and electric vehicle developers. The combination of Eternalyte and Impervio separators is expected to further enhance the quality and reliability of batteries, ultimately leading to improved consumer experiences and the continued growth of electrically powered products in the market.
Overall, the unveiling of the enhanced Eternalyte electrolytes by 24M Technologies represents a significant milestone in the evolution of battery technology. With its ability to improve charge rate, cold-temperature performance, and overall safety of batteries, Eternalyte has the potential to shape the future of energy storage and electric vehicle applications. As the demand for high-performance batteries continues to grow, innovative solutions like Eternalyte are essential in driving the development of more efficient and sustainable battery technologies that meet the evolving needs of the electric mobility sector.
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