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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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
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Grid-forming inverters significantly enhance grid stability, US national lab finds The Kauaʻi Island Utility Cooperative in Hawaii, which deployed storage before grid-forming inverters became available, became a test case for diagnosing grid issues that can arise with older grid-following inverters, and how grid-forming inverters can stabilize a grid.
William Driscoll
Jan 14, 2026

All Technologies news

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Indian university opens lithium- and sodium-ion battery research center Academics at the new site are exploring the use of glass-polymer composite electrolytes and the development of paper-based batteries, among its lines of research.
Uma Gupta
Jun 06, 2025
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How organic flow batteries could erase the need for critical-mineral dependency Vanadium flow and lithium-ion batteries both require materials described as critical by the US Department of Energy (DOE).
Eugene Beh
Jun 05, 2025
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Digital twins tackle performance by uncovering battery blind spots A case study shows how a digital twin can uncover insights into battery energy storage system (BESS) performance
Tristan Rayner
May 27, 2025
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Optimizing Carnot batteries for renewables storage Based on the the heat pump-organic rankine cycle, scientists in Portugal have created six different models of Carnot batteries for stationary storage. They investigated 16 different combinations of working fluids and created a multi-objective optimization for the best candidate.
Lior Kahana
May 26, 2025
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Swiss developer breaks ground on 1.6 GWh redox flow storage project The redox flow project has enormous storage capacity, expected to be finished in mid-2028.
Sandra Enkhardt
May 23, 2025
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Biwatt launches commercial sodium-ion energy storage product The manufacturer has unveiled a 155 kWh sodium-ion battery energy storage system for commercial and industrial (C&I) customers.
Marian Willuhn
May 15, 2025
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Organic flow batteries launch in US data center deployment Prometheus Hyperscale and XL Batteries partner to roll out long-duration, lithium-free energy storage for a Wyoming data center.
Phoebe Skok
May 15, 2025
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Flow battery startup VFlowTEch banks $20.5M as ramp up continues The Singaporean company is working on long duration storage and received wide backing from a variety of investors.
Tristan Rayner
May 14, 2025
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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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