Alsym Energy, a pioneer in high-performance, non-flammable sodium-ion batteries, which recently launched its Na-Series of sodium-ion batteries, today released further details on how it developed the series using its patented physics-guided artificial intelligence platform. Alsym integrates fundamental physical models with artificial intelligence, autonomous testing, and patented molecular diagnostics into a closed-loop system, driving progress through all stages of the development cycle and accelerating the design of safer, more affordable, and commercially viable batteries.
Given the surge in global electricity demand, lithium-ion batteries are increasingly revealing their limitations, particularly in terms of safety and supply chain constraints. Lithium-ion chemistry itself has inherent problems that are difficult to overcome, such as flammability and reliance on a limited global supply chain. These issues are particularly acute when applied to large-scale energy storage: higher energy densities significantly increase the risk of fire; and the ever-increasing demand from various industries further strains the supply chain and jeopardizes energy independence.
At the same time, the pace of innovation needs to be accelerated, as existing battery solutions have not foreseen the cost, safety, and performance requirements of today’s infrastructure, especially in metropolitan areas. Permit restrictions due to fire risks and lengthy delays are the most pressing concerns for energy storage system project developers.
Alsym’s physics-guided artificial intelligence platform is designed to accelerate battery development , fundamentally improving the way new chemical technologies are discovered, developed, and expanded:
- By leveraging physics to guide artificial intelligence, the originally large and difficult-to-manage candidate battery chemistry technologies can be significantly narrowed down, and practical, non-flammable, and high-efficiency battery chemistry technologies can be quickly identified without the need for individual research on each candidate.
- By integrating machine learning, automation, and closed-loop experimentation, the maximum amount of actionable insights can be obtained from each test, accelerating the research and development of materials, battery design, and operating conditions, breaking through the constraints of traditional trial-and-error methods.
- By leveraging continuous electrochemical, materials, and molecular diagnostic and feedback mechanisms to understand battery performance and delve into its underlying causes, targeted optimization can be achieved, enabling smooth and predictable scaling up the entire process from laboratory, prototype development, pilot testing to commercial production.
- By using artificial intelligence to optimize the system-level end-to-end collaborative design of materials, battery architecture and manufacturing processes, we can ensure that performance, safety, cost and manufacturability can be controlled even when scaling up.
By leveraging its innovative platform to support the development of the Alsym sodium series, the company is able to rapidly and consistently deliver innovative results while expanding.
Alsym’s rapid development of its sodium-ion battery series is attributed to a specific chemical technology employed. The company completed the entire process from identification, testing, development to manufacturing of this technology in less than a year. Sodium-ion batteries not only offer the advantage of being non-flammable but also boast superior performance, affordability, and competitive energy density. The technology utilizes abundant and readily available materials, ensuring a secure and robust supply chain, providing a clear advantage over traditional lithium-ion battery solutions.
“The energy transition is urgent, and we can no longer afford to spend decades searching for a better energy storage solution,” said Dr. Kripa Varanasi, Professor of Engineering at MIT and co-founder of Alsym Energy. “We urgently need a way to fundamentally accelerate the transformation of innovation into infrastructure. The challenge today is no longer just discovery, but deployment. We have integrated physics-guided artificial intelligence, deep electrochemical expertise, and system-level intelligence covering the entire battery architecture, operation, and manufacturing process to build a platform that enables continuous innovation and large-scale deployment, delivering safer and more cost-effective battery technologies for critical infrastructure.”
Sodium-based batteries pass non-flammability tests.
From the outset, Alsym had a clear goal: to develop a truly non-flammable, high-efficiency battery chemistry. This physics-guided AI platform achieved that goal, guiding the discovery and refinement of a system capable of eliminating the risk of heat loss.
Alsym has rigorously tested and proven the inherent safety of its chemical technology. Accelerated rate calorimetry (ARC) testing heated the sodium-based batteries from room temperature to 400°C without any heat loss. A needle penetration test, during which the batteries were fully charged, showed no signs of rupture, fire, or flame ejection, demonstrating the system’s ability to combat catastrophic failure modes that have plagued existing battery technologies. These test results demonstrate the success of the Alsym platform, showing that it truly offers innovative solutions to market challenges.
“The sodium series batteries, due to their inherent safety, are not only suitable for all applications of lithium-ion batteries, but can also be used in places where lithium batteries are inherently limited,” said Mukesh Chatter, CEO of Alsym Energy. “Their advantages in levelized cost of energy (LCOE) are also evident: a wide operating temperature range that can significantly reduce operating costs; and highly competitive initial purchase costs for batteries and systems. Coupled with rapid charge and discharge capabilities and the flexibility to adapt to short, medium, and long-term application needs, the Alsym sodium series is definitely a superior energy storage battery solution. For customers, this means reduced total cost of ownership, lower risk, simplified safety and thermal management, greater deployment flexibility, and the ability to take full advantage of low-price periods in dynamic grid pricing through rapid charge and discharge and optimized cycles—all of which can drive revenue growth.”
Alsym’s sodium-based batteries have a wide range of applications, including utilities and microgrids, data centers, commercial real estate, industrial operations, marine environments, defense systems, and residential energy storage. The company is actively advancing its commercialization roadmap and plans to begin delivering batteries and modules to strategic partners starting in the third quarter of 2026.
About ALSYM
Alsym Energy is redefining battery chemistry to build a safe and scalable energy future. The company’s flagship product, the “Sodium Series,” is a non-flammable, high-efficiency, and low-cost sodium-ion battery made from materials abundant on Earth. These batteries are designed using a patented physics-guided AI platform. This platform accelerates the discovery of new materials and commercially viable chemistry technologies by up to ten times compared to traditional trial-and-error methods. The platform combines deep-tech expertise in batteries with physics-guided AI to create a closed loop that accelerates the entire battery development process from concept to manufacturing. Alsym’s Sodium Series technology eliminates concerns about heat dissipation, enabling the deployment of energy storage systems wherever needed: data centers, industrial facilities, residential and commercial real estate, mining sites, military bases, and even public power grids, all of which can be safely and massively deployed. This series of batteries operates over a wide temperature range, eliminating the need for additional HVAC systems to ensure safety or performance. Furthermore, their rapid charge and discharge speeds allow for multiple charge-discharge cycles per day, resulting in highly cost-effective energy storage systems. Alsym Sodium Series: The ultimate battery designed specifically for energy storage.
For further information, please visit: alsym.com
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