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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Latest News

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Battery storage in Spain becomes unviable beyond 32 GWh of cumulative capacity, study finds Scientists from the University of Seville have developed real-time optimization models showing that electricity storage in Spain may be approaching its economic limit, with cumulative capacities above 32 GWh depressing prices and undermining project profitability.
Pilar Sanchez Molina
31 minutes ago
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Sodium-ion batteries: Unigrid begins commercial-scale deliveries; Altris and Draslovka partner to scale Europe’s supply chain With lithium prices reaching a two-year high in early 2026, sodium-ion batteries are once again in the spotlight, as innovators on both sides of the Atlantic announce major milestones.
Marija Maisch
Jan 16, 2026
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Australia’s national science agency puts battery chemistries to test in tropical conditions Researchers from Australia’s national science agency have teamed with Malaysian authorities to explore how different battery chemistries perform under tropical stressors like heat, humidity and corrosion, and what this means for durability, safety and cost-effectiveness.
David Carroll
Jan 16, 2026
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Iberdola-led project develops solid-state battery module for stationary storage Basquevolt and Bcare have successfully developed and integrated the first solid-state cells into a module for stationary applications, accomplishing this within the Iberdrola-led ASTRA-CC project (2023–2025).
Pilar Sanchez Molina
Jan 15, 2026
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GES rolls out manganese-hydrogen battery with significant cost edge over lithium-ion According to GES, the manganese-hydrogen battery it has developed represents an advanced solution for long-duration energy storage. The technology enables energy to be stored for many hours or even days, overcoming the structural limitations of lithium-ion batteries, which are primarily designed for short-duration applications.
Sergio Matalucci
Jan 15, 2026
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Why sodium-ion can’t yet challenge lithium-ion’s reign A new generation of sodium-ion (Na-ion) battery cells has been launched as an alternative to the virtual monopoly of lithium-ion (Li-ion). Although the technology is unlikely to displace significant Li-ion market share, recent improvements make Na-ion a viable solution for certain niche applications, with potential for wider usage if cost becomes competitive.
Henrique Ribeiro
Jan 15, 2026
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Dutch long-duration energy storage project targets sub-€50/kWh costs with innovative technologies The SLDBatt project brings together TRL 7 battery technologies – including molten sodium‑salt, saltwater acid–base flow, and hydrogen–iron flow batteries – to deliver an innovative and cost-effective long-duration energy storage solution.
Marija Maisch
Jan 14, 2026

All Technologies news

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Battery and battery tech developments in brief from the floor of Intersolar 2025 Europe’s largest solar power event filled 18 very large halls in Munich, and new launches ranged from balcony solar to cow poop innovations.
Tristan Rayner, John Fitzgerald Weaver
May 12, 2025
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Munich research team improves lithium-ion conductors for solid-state batteries A new material made of lithium, antimony, and scandium is said to conduct lithium ions over 30 percent faster than any previously known material. According to the scientists, it also offers thermal stability.
Petra Hannen
May 09, 2025
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Dutch manufacturer makes switch from bromine to iron flow batteries due to ‘geopolitical turbulence’ Netherlands-based Elestor has announced it will move from hydrogen-bromine to hydrogen-iron flow batteries because of the worsening geopolitical situation.
Max Hall
May 07, 2025
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Scientists in UK build solar redox flow battery with 9.54% solar-to-chemical efficiency The PV-driven redox flow battery can reportedly achieve a maximum solar-to-output electricity efficiency (SOEE) of 3.11% during a 36-hour period. The system incorporates a 25 sq cm heterojunction (HJT) photovoltaic device and is based on a neutral-pH aqueous iodine-bromine redox couple.
Emiliano Bellini
May 06, 2025
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Polar Night Energy plans second pilot sand-battery in Finland Polar Night Energy will build a second pilot plant in southern Finland to test its power-to-heat-to-power sand battery technology. The project aims to demonstrate the system’s ability to reconvert stored heat into electricity.
Patrick Jowett
May 05, 2025
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US’ Georgia Tech, Stryten Energy tap lead battery innovation A new battery energy storage system (BESS) will combine academic research and real-world deployment to create a living laboratory for energy storage experimentation.
Phoebe Skok
Apr 28, 2025
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Consultation over 5 GWh French sodium-ion battery factory Startup Tiamat wants an initial 700 MWh-per-year pilot line operational but a 2025 commissioning date will likely be pushed back into next year.
Marie Beyer
Apr 25, 2025
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E.ON partners with Superdielectrics to develop novel polymer-based energy storage E.ON is now working with a UK-based battery tech firm to advance more environmentally friendly energy storage for households.
Tristan Rayner
Apr 17, 2025
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UL battery safety standard updated for new storage chemistries Underwriters Laboratories (UL) says the fifth edition of its ANSI/CAN/UL 9540A standard addresses technology such as sodium-ion batteries and new use-cases including rooftop installations.
Max Hall
Apr 17, 2025

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