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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New electrolyte tech enables stable operation of high-voltage sodium-ion batteries U.S. researchers developed a meta-weakly solvating electrolyte that optimizes sodium-ion solvation structure, enabling faster ion transport, reduced side reactions, and improved interfacial stability in high-voltage sodium-ion batteries. This design significantly extends cycle life and outperforms conventional and localized high-concentration electrolytes by promoting more uniform and stable electrode–electrolyte interfaces.
Emiliano Bellini
24 hours ago
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ESS Tech to add 8.5 GWh of US-made sodium‑ion batteries to its portfolio ESS Tech is complementing its iron flow storage offering, which is engeeneered for the 8–24 hour long-duration segment, with sodium-ion battery products aimed at short and medium-duration applications.
Marija Maisch
Apr 30, 2026
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New partnership advances sodium-ion manufacturing in Spain In a week marked by the largest sodium-ion battery order to date, widely seen as a watershed moment for the technology’s commercialization at scale, one of Europe’s emerging players, Spain’s Bihar Batteries, is strengthening the outlook for European-made sodium-ion batteries.
Marija Maisch
Apr 29, 2026
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CATL secures world’s largest sodium-ion battery order with Hyperstrong The two companies announced a 60 GWh supply agreement on Monday, marking a pivotal step in the commercialization of sodium-ion battery technology.
Marija Maisch
Apr 27, 2026
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Control, not capacity, could be the next driver of US residential storage investment Investors are shifting focus from deployment growth to platforms that can orchestrate and monetize battery fleets.
Phoebe Skok
Apr 17, 2026
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Volkswagen announces vehicle-to-grid offering in Germany, soon wider Europe Registration will be possible from June, and the service will then be available from the fourth quarter under VW's Elli brand. The integrated offer consists of an electric vehicle, app, electricity tariff, smart meter, wallbox, and installation.
Sandra Enkhardt
Apr 17, 2026
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Researchers make significant advancement into thermal runaway-free sodium-ion batteries The development of a Polymerizable Non-flammable Electrolyte appears to have helped sodium-ion batteries towards a eureka moment for safety.
Tristan Rayner
Apr 10, 2026

All Technologies news

View article
New electrolyte tech enables stable operation of high-voltage sodium-ion batteries U.S. researchers developed a meta-weakly solvating electrolyte that optimizes sodium-ion solvation structure, enabling faster ion transport, reduced side reactions, and improved interfacial stability in high-voltage sodium-ion batteries. This design significantly extends cycle life and outperforms conventional and localized high-concentration electrolytes by promoting more uniform and stable electrode–electrolyte interfaces.
Emiliano Bellini
24 hours ago
View article
ESS Tech to add 8.5 GWh of US-made sodium‑ion batteries to its portfolio ESS Tech is complementing its iron flow storage offering, which is engeeneered for the 8–24 hour long-duration segment, with sodium-ion battery products aimed at short and medium-duration applications.
Marija Maisch
Apr 30, 2026
View article
New partnership advances sodium-ion manufacturing in Spain In a week marked by the largest sodium-ion battery order to date, widely seen as a watershed moment for the technology’s commercialization at scale, one of Europe’s emerging players, Spain’s Bihar Batteries, is strengthening the outlook for European-made sodium-ion batteries.
Marija Maisch
Apr 29, 2026
View article
CATL secures world’s largest sodium-ion battery order with Hyperstrong The two companies announced a 60 GWh supply agreement on Monday, marking a pivotal step in the commercialization of sodium-ion battery technology.
Marija Maisch
Apr 27, 2026
View article
Control, not capacity, could be the next driver of US residential storage investment Investors are shifting focus from deployment growth to platforms that can orchestrate and monetize battery fleets.
Phoebe Skok
Apr 17, 2026
View article
Volkswagen announces vehicle-to-grid offering in Germany, soon wider Europe Registration will be possible from June, and the service will then be available from the fourth quarter under VW's Elli brand. The integrated offer consists of an electric vehicle, app, electricity tariff, smart meter, wallbox, and installation.
Sandra Enkhardt
Apr 17, 2026
View article
Researchers make significant advancement into thermal runaway-free sodium-ion batteries The development of a Polymerizable Non-flammable Electrolyte appears to have helped sodium-ion batteries towards a eureka moment for safety.
Tristan Rayner
Apr 10, 2026
View article
Netherlands: TenneT and GES ink landmark deal for 800 MWh “congestion mitigator” battery Dutch grid operator TenneT has signed a capacity control contract with Green Energy Storage (GES) for a 200 MW / 800 MWh battery, marking a shift in how the Netherlands manages its severely congested high-voltage grid.
Tristan Rayner
Apr 10, 2026
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Envision launches 12.5 MWh AI storage system, starts production of 790 Ah LFP cell Envision adds to the impressive list of announcements out of ESIE 2026, with a new BESS and new LFP cell.
Vincent Shaw
Apr 09, 2026

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