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Groundbreaking Ionic Conductive Electrolyte Boosts Lithium-Ion Batteries

Asahi Kasei's new high ionic conductive electrolyte enhances lithium-ion battery performance, longevity, and efficiency, revolutionizing electric vehicles and energy storage.

Maria Guerra, Senior Editor-Battery Technology

June 12, 2024

2 Min Read
Lithium Ion Battery Electrolyte
Asahi Kasei’s new electrolyte performance.Courtesy of Asahi Kasei.

Developments in electrolytes are pivotal in enhancing the performance and reliability of lithium-ion batteries (LIBs), which are integral to various applications from consumer electronics to electric vehicles (EVs). Traditional electrolytes often limit the operational temperature range and cycle life of LIBs, leading to performance degradation in extreme conditions. Innovative electrolyte formulations, such as high-ionic conductive electrolytes, address these limitations by enabling better ion transport and stability across a wider temperature range, optimizing the safety of the battery.

These improvements enhance power output and battery lifespan and reduce the size and cost of battery packs. As research progresses, advanced electrolytes are expected to be crucial in developing next-generation energy storage solutions, fostering more efficient and sustainable technologies.

Asahi Kasei's breakthrough contribution

Among the forefront of these advancements is a new high ionic conductive electrolyte developed by Asahi Kasei. The company claims this breakthrough technology has successfully demonstrated proof of concept, showing significant improvements in power output and battery lifespan under extreme temperature conditions. Kazuya Noda, Senior General Manager of Asahi Kasei’s Innovation Strategy Center, stated, “This proof of concept is a technological breakthrough. By licensing the electrolyte technology to LIB manufactures worldwide, Asahi Kasei aims to contribute to lower cost and more compact battery systems, which are a key driver to achieve a more sustainable society.”

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Asahi Kasei's innovative electrolyte enables LIBs to maintain high performance at temperatures as low as -40 °C and double the cycle life at 60°C compared to conventional electrolytes, reaching a state of health (SOH) of 80%. Commercialization is targeted for 2025. This development not only expands the operational temperature range of LIBs but also contributes to the reduction in size and cost of battery packs.

Lithium Ion Battery Electrolyte

The new high ionic conductive electrolyte developed by Asahi Kasei could have significant implications for EVs. Firstly, it enhances battery performance in extreme temperatures, ensuring reliable power output even in very cold conditions, which is crucial for EVs operating in diverse climates. Secondly, by doubling the cycle life at high temperatures, this electrolyte extends the overall lifespan of EV batteries, reducing the frequency of battery replacements and lowering maintenance costs for consumers. The improved ionic conductivity also allows for more compact battery packs without compromising performance, potentially leading to lighter and more energy-efficient vehicles.

Related:Solid Electrolyte for Safer, More Ecologically Friendly Batteries

The advancements in electrolyte technology, exemplified by Asahi Kasei's high ionic conductive electrolyte, underscore the critical role these innovations play in the evolution of lithium-ion batteries. As the demand for efficient, durable, and cost-effective energy storage solutions grows, particularly in the EV market, breakthroughs like these are essential. By pushing the boundaries of what is possible with LIBs, companies like Asahi Kasei are paving the way for a future where high-performance, reliable batteries support the widespread adoption of EVs and other green technologies, ultimately contributing to a more sustainable world.

About the Author(s)

Maria Guerra

Senior Editor-Battery Technology, Informa Markets Engineering

Battery Technology Senior Editor Maria L. Guerra is an electrical engineer with a background in Oil & Gas consulting and experience as a Power/Analog Editor for Electronic Design.  Maria graduated from NYU Tandon School of Engineering with a Master of Science in Electrical Engineering (MSEE). She combines her technical expertise with her knack for writing. 

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