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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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
14 hours ago
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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
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Intertek CEA says 587Ah cells could drive down BESS costs through 2027 US research firm Intertek CEA says wider adoption of 587Ah battery cells could lower the cost of standard battery energy storage system (BESS) containers through 2027, even as lithium carbonate prices have risen sharply.
Brian Publicover
Jul 14, 2026
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Hydraulic storage beats batteries for PV irrigation economics Spanish researchers found hydraulic energy storage offers better economics than batteries for PV-powered irrigation, while combining both technologies delivers the highest energy self-sufficiency.
Pilar Sanchez Molina
Jul 14, 2026
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ESS Tech introduces sodium-ion battery for data centers, other commercial users ESS Tech has introduced its Bridge battery energy storage system (BESS), a modular sodium-ion platform designed for data centers, critical infrastructure and other commercial users with short- to medium-duration storage needs.
Ben Zientara
Jul 09, 2026

All Technologies news

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Sumitomo Electric launches vanadium redox flow battery with 30-year lifespan The new system comes in three versions, providing up to 10 hours of storage. It achieves improvements in output and energy density, through component enhancements, thereby reducing cost and physical footprint.
Marija Maisch
Mar 03, 2025
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New method to restore lithium-ion battery ageing With the help of artificial intelligence, Fudan University researchers have developed a new lithium carrier molecule, CF3SO2Li, significantly extending the life of lithium-ion batteries and restoring their electrochemical performance.
Vincent Shaw
Feb 25, 2025
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Sodium-ion battery study offers power and energy breakthrough with new organic cathode New cathode material combined with carbon nanotubes delivers high energy and power in sodium-ion batteries.
Tristan Rayner
Feb 21, 2025
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German research partners launch battery cell stacking innovation project A new German-funded project aims to advance battery manufacturing innovation, with key technology and industry partners involved.
Tristan Rayner
Feb 19, 2025
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Brenmiller Energy begins 32 MWh thermal battery system install for beverage plant Brenmiller's thermal energy storage system will store up to 32 MWh of energy to supply a beverage plant, which requires variable forms of industrial heat, on demand.
Tristan Rayner
Feb 18, 2025
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Sodium-ion vs. lithium-iron-phosphate batteries Researchers in Germany have compared the electrical behaviour of sodium-ion batteries with that of lithium-iron-phosphate batteries under varying temperatures and state-of-charges. Their work shows how state-of-charge during cycling significantly affects the efficiency of sodium-ion devices.
Emiliano Bellini, Tristan Rayner
Feb 17, 2025
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CEO replaced at US iron flow battery maker ESS Tech ESS Tech changes strategic direction with a new CEO, and a new aim to win contracts with data center operators.
Tristan Rayner
Feb 17, 2025
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Record 13.6 GWh of battery energy storage capacity added in January Rho Motion noted big projects in Saudi Arabia and Hubei, China, and reported the only non-lithium-ion sites were three Chinese vanadium flow batteries.
Max Hall
Feb 17, 2025
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Hydrostor nets $200M for its long-duration energy storage ambitions Hydrostor secured convertible note funding as it continues to build large scale, long-duration compressed air energy storage.
Tristan Rayner
Feb 17, 2025

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