Beyond Lithium-Ion: Why New Battery Technology Could Redefine Energy Storage

Globe and Mail

18-06-2025

As the global energy transition accelerates, major players are stepping up to tackle the challenge of energy storage, an essential element in the clean energy equation. Companies like Tesla, KULR Technologies, and Eos Energy Enterprises are already shaping the future of battery innovation and grid resilience, with more developments on the horizon by them and newcomers.
Tesla (NASDAQ: TSLA), long synonymous with lithium-ion-powered electric vehicles (EVs), is also a global leader in energy storage. Its Megapack system stores renewable energy at grid scale, helping utilities stabilize supply during peak demand. Tesla's commitment to scaling battery manufacturing through projects like Gigafactory Nevada has driven down costs and increased efficiency, making energy storage more accessible and dependable worldwide.
Meanwhile, KULR Technology Group (NYSE American: KULR) is transforming how batteries operate under pressure. With a specialization in thermal management and battery safety, KULR's technologies, rooted in aerospace research, protect against thermal runaway, the catastrophic chain reaction of overheating that plagues many lithium-ion systems. Their solutions are already being deployed in electric mobility, aerospace, and energy storage applications, reducing the risk of fire and improving battery longevity.
Eos Energy Enterprises (NASDAQ: EOSE), another industry disruptor, has made headlines with its Znyth™ battery, a zinc-powered, water-based system tailored for long-duration storage. The Znyth™ battery operates without lithium or rare earths, making it not only safer and more environmentally friendly but also resilient against supply chain volatility. Eos' battery is particularly attractive for pairing with intermittent renewables like wind and solar, where long-term, stable discharge is key.
While these industry leaders have made remarkable progress, a new player is making waves: BioLargo, Inc. (OTCQX: BLGO) and its Cellinity™ battery, a next-generation storage solution designed to overcome lithium-ion's biggest shortcomings.
Enter BioLargo: A New Standard for Safe and Sustainable Energy Storage
Li-ion batteries have long been the cornerstone of the rechargeable battery market, powering everything from smartphones to EVs and grid-scale systems. Their high energy density, long cycle life, and relatively low self-discharge rates have made them the default choice for multiple sectors, contributing to a global lithium-ion battery market projected to grow from $115.89 billion in 2025 to nearly $499.31 billion by 2034, with a CAGR of 17.69%.
However, li-ion tech is not without issues. Safety remains a pressing concern, especially with risks like thermal runaway and fire. Environmental challenges from mining rare earths and metals also raise red flags, not to mention degradation in battery performance over time. These gaps have pushed the industry to develop new technologies that can better meet modern energy needs.
One such breakthrough comes from BioLargo's Cellinity™ battery. Built from the ground up to improve on lithium-ion's weaknesses, Cellinity™ eliminates risks of thermal runaway and dendrite formation, two primary causes of fire in traditional batteries. That's because it's not a lithium-ion battery at all. It is a unique battery chemistry using molten salt electrolytes. The result: greater storage capacity, faster charging, unlimited number of charges/discharges (20+ year lifespan), and no dendrite formations because there is zero ion transferred between electrodes.
BioLargo Energy, the BLGO subsidiary developing this tech, trumpets the battery's chemistry as inherently non-toxic free from rare earth elements like lithium, cobalt or nickel and, no runaway fire risk.
What sets Cellinity™ apart is not just safety; it's performance. The battery is optimized for long-duration storage applications such as grid-scale backup and renewable energy smoothing. It promises a longer operational lifespan, higher energy density than conventional lithium-ion, and a more stable performance curve, making it ideal for high-demand scenarios.
Moreover, the Cellinity™ battery's environmental profile is a standout. It uses abundant, earth-friendly materials that avoid the ethical and ecological complications of traditional battery supply chains. Further, the materials are readily available in the U.S. This gives it a significant edge in both cost and sustainability because it can be easily recycled.
It's not just BioLargo claiming to have the next big technological breakthrough— news released this morning adds strong third-party validation to their technology. BioLargo, Inc. announced that an independent evaluation by U.S. BESS Corporation has confirmed the breakthrough performance of its Cellinity battery technology for grid-scale energy storage. The assessment highlighted key advantages, including resistance to thermal runaway, use of commonly available and recyclable materials, and the absence of rare earth elements. As demand for large-scale energy storage surges—driven by AI, decarbonization mandates, and renewable energy growth—Cellinity offers a safer, more sustainable alternative to lithium-ion batteries, which are hindered by fire risks and sourcing challenges.
The Broader Shift: A Market Ripe for Disruption
BioLargo isn't alone in reimagining energy storage, but its approach aligns with a growing movement. As noted, Eos Energy's Znyth™ battery is redefining safety and scalability, while KULR's solutions are becoming essential safeguards across storage platforms. All these innovations are part of a broader shift toward cleaner, safer, and more resilient storage systems.
Yet, where BioLargo distinguishes itself is in its holistic redesign of the battery architecture, engineering safety, performance, and sustainability as core principles from day one. With the energy storage market demanding alternatives to lithium-ion at scale, BioLargo's Cellinity™ battery may emerge as one of the most promising technologies on the horizon.
In an increasingly electrified world, the companies driving next-gen battery innovation will help determine how sustainable and secure our energy future really is. With Tesla leading industrial deployment, KULR safeguarding systems, Eos scaling grid resilience and BioLargo pushing the boundaries of what a battery can be, the future of energy storage looks not just bright, but revolutionary. In fact, Cellinity™ isn't just a technological leap, may become the gold standard for next-generation, grid-scale energy storage.
There's More to BioLargo
While Cellinity™ alone could be enough to differentiate BioLargo, it is just one part of the BLGO family. The California-based company is a cleantech and life sciences innovator and engineering services solution provider. Its core products address PFAS (per- and polyfluoroalkyl substances, often called 'forever chemicals') contamination, achieve advanced water and wastewater treatment, control odor and VOCs, improve air quality, enable energy-efficiency and safe on-site energy storage, and control infections and infectious disease.
The company's approach is to invent or acquire novel technologies, develop them into product offerings, and extend their commercial reach through licensing and channel partnerships to maximize their impact. In 2022, the company went viral with its Pooph! product marketed as 'the most powerful pet odor eliminator in the world.'
With over thirteen years of extensive R&D, BLGO holds a wide array of issued patents, maintains a robust pipeline of products, and provides full-service environmental engineering. Its peer-reviewed scientific approach allows BioLargo to invent or acquire novel technologies and develop them to maturity through its operating subsidiaries, including BioLargo Energy, BioLargo Equipment, BioLargo Engineering, ONM Environmental, and its medical subsidiary Clyra Medical, which recently had news of entering into a series of agreements to advance the sales and distribution of its medical products in the U.S. and abroad.
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