Technologies
Technologies pv magazine
Technologies pv magazine

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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CATL signs 2 GWh sodium-ion battery supply deal in Europe CATL has agreed to supply 2 GWh of sodium-ion battery storage systems to Bulgaria’s Solarpro for projects in Central and Eastern Europe.
Pilar Sanchez Molina
Jul 24, 2026
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Pace Digitek opens battery R&D center in India The new Pace-Lineage Research Center in western India will focus on lithium-ion, sodium-ion, and battery material research to support the development of domestic energy storage technologies.
Uma Gupta
Jul 23, 2026
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Idemitsu plans 864 MWh vanadium flow battery at Australian coal mine site Idemitsu Australia is proposing a 108 MW vanadium flow battery with eight hours of storage at a former coal mine site in New South Wales.
David Carroll
Jul 22, 2026
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Acciona Energía tests hybrid battery-ultracapacitor storage in Spain Acciona Energía has launched a pilot project in Navarra, Spain, that combines ultracapacitors (UCAP) with lithium-ion batteries to test grid-forming capabilities and other stability services for renewable energy facilities.
Pilar Sanchez Molina
Jul 21, 2026
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Brazil risks missing sodium-ion battery manufacturing opportunity China is moving sodium-ion batteries into industrial production, but Brazil risks repeating its lithium experience by remaining a tech importer despite its raw materials, solar resources, and growing storage demand.
João Paulo Menezes
Jul 20, 2026
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Alfen, CATL to deploy 5 GWh of sodium-ion battery storage in Europe Dutch energy storage company Alfen and Chinese battery manufacturer CATL have agreed to deploy 5 GWh of sodium-ion battery energy storage systems in Europe.
Pilar Sanchez Molina
Jul 16, 2026
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Lithium still dominates battery storage – but for how long? Lithium batteries are about 93% cheaper than they were 15 years ago, making energy storage projects economically viable where they previously were not.
João Paulo Menezes
Jul 14, 2026

All Technologies news

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Corrosion-free bromine flow battery promises longer life and higher energy density A new two-electron bromine chemistry sharply cuts corrosion while boosting performance, opening a clearer path for zinc–bromine flow batteries at grid scale.
Vincent Shaw
Jan 06, 2026
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Mitigating sodium-ion battery degradation through scandium doping A team at Tokyo University of Science (TUS) has identified a structural mechanism by which adding small amounts of scandium to layered sodium manganese oxide cathodes slows the degradation that typically limits sodium-ion battery lifetimes.
Brian Publicover
Jan 05, 2026
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What’s next for battery technology in 2026 Longer-duration storage, safety-driven procurement and Foreign Entity of Concern (FEOC) compliance in the United States compliance are starting to push alternative chemistries closer to scale.
Phoebe Skok
Jan 02, 2026
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na-ion
CATL confirms significant upgrade to sodium-ion battery product range and scale into 2026 CATL announced it expects a new trend of "sodium and lithium batteries shining brightly together."
Tristan Rayner
Dec 29, 2025
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Silver City
Using horizontally connected salt caverns for compressed air storage Researchers in China have investigated the long-term stability of horizontally connected salt caverns used for compressed air energy storage. They found about 85% of the existing salt caverns in their home country are are suitable for this configuration.
Lior Kahana
Dec 22, 2025
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Moll Batterien garners more than $25 million for sodium-ion battery plant in Germany The Bavarian Ministry of Economic Affairs is supporting the project with €19.65 million, and there is an additional €2.5 million from the EU.
Sandra Enkhardt
Dec 19, 2025
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Europe’s first sodium-ion cell made with fully domestic components Welsh battery breakthrough uses UK-manufactured anode and cathode materials as well as active materials available through local supply chains. Batri plans to scale up material manufacturing and cell building capability.
Matthew Lynas
Dec 18, 2025
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Inlyte proves out first full-scale iron–sodium battery system in factory test, paving way for 2026 US production According to Inlyte, the tested unit incorporates what it describes as the world’s largest sodium metal chloride battery cells and modules built to date, with each module capable of storing more than 300 kWh of energy.
Marija Maisch
Dec 12, 2025
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Naxion Energy claims launch of India’s first sodium-ion energy storage systems The company has unveiled new residential and C&I battery storage systems, describing them as the first sodium-ion products to enter the Indian market.
Uma Gupta
Dec 12, 2025

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