Technologies
Energy storage systems come in many forms, leveraging different technology types. A class of electrochemical storage, lithium-ion batteries have established themselves as the industry standard.
But there are many new technologies vying for their market share.
Sodium-ion batteries are widely considered a sustainable and resource-saving answer to future energy storage, while flow batteries offer a viable alternative in long-duration storage applications.
However, the path to commercialization is not a straightforward one.
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Latest News
Sodium-ion battery storage for ultra-low temperatures
US researchers have developed a sodium-ion pouch cell that operates reliably at temperatures as low as -100 C. The battery was tested with simulated and real renewable energy sources, including wind and solar, and maintained stable performance in both laboratory and field conditions.
21 hours ago
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German battery first to integrate monitoring, analytics and trading, moving away from fragmented digital tools
Obton Dynamic, Amperecloud, Volytica Diagnostics and Enspired are trialling a coordinated approach to storage operation on a 32 MWh battery storage project in Tangermünde, south-east Germany. Their goal is to pilot a best practice in asset management and competitiveness in Europe’s fast-moving storage markets.
Europe moves to mandate grid-forming capability for new storage over 1 MW
European grid operator ENTSO-E’s has published its 79-page technical report on grid forming requirements as part of Europe's soon to be updated network code for generators. It signals that grid-forming capability will become mandatory for large battery systems, with technical definitions.
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Relectrify inverterless storage system fast tracked with $25 million ARENA backing
Victoria-headquartered battery technology company Relectrify has received $25 million ARENA backing to help deploy it’s CellSwitch inverterless technology, which promises to deliver 20% more energy over a battery system’s lifetime.
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Alsym Energy launches Na-Series, claiming safe, low-cost sodium-ion battery storage
The Massachusetts-based startup says its new battery is non-flammable, non-toxic, and uses non-FEOC (Foreign Entity of Concern) materials, aiming for a lower levelized cost of storage (LCOS). The technical specs provide some highlights as well.
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Pilot project in German lab tests high voltage battery storage system at up to 20 kV
The KV-Batt research project aims to reduce battery system energy losses by operating at up to 20 times the usual voltage. A long-term practical test will take place after the development of high-voltage-resistant components.
Oct 16, 2025
High-rise buildings could soon use gravity energy storage, say researchers
Researchers in Canada have proposed using gravity-based energy storage in high-rise buildings, in combination with photovoltaic facades, small wind turbines, and lithium-ion batteries. Their modeling indicated that this hybrid system could achieve a levelized cost of energy ranging from $0.051/kWh to $0.111/kWh.
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