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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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
22 hours ago
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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
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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

All Technologies news

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Compressed air energy storage enhanced by gravity Scientists in China have simulated an advanced adiabatic compressed air energy storage, to which they added an elastic airbag with a heavy load situated above it. The energy, exergy, and economic analysis of the system showed that, due to the constant weight of the heavy load, the airbag’s pressure level remains unaltered during operation.
Lior Kahana
Jul 23, 2025
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Ionly launches Spain-manufactured 5 kWh residential battery Ionly introduces the XYZ 5 kWh residential battery, featuring 90% European-sourced components and advanced reparability, from its base in Valencia, Spain.
Jose Pedrosa
Jul 18, 2025
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Why ELCC is becoming the grid’s next big storage metric  As utilities add short-duration lithium ion battery storage systems to meet rising peaks, their Effective Load Carrying Capability (ELCC) declines and creates a growing role for thermal and other long-duration technologies.
Phoebe Skok
Jul 17, 2025
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5 GW of grid-forming batteries and synchronous condensors to underpin transition for network operator TransGrid in Australia Transgrid, Australia's largest electricity transmission network operator, working in the state of New South Wales, has chosen grid-forming batteries and synchronous condensors as its preferred system strength technologies to support the grid.
Ev Foley
Jul 17, 2025
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Study: Copper doping unlocks stability in manganese cathodes for sodium-ion batteries Researchers at the Tokyo University of Science have shown that using copper can eliminate defects in sodium manganese oxide battery types, boosting battery cycle life.
Tristan Rayner
Jul 16, 2025
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China southern power grid
What’s behind the aging mechanism of sodium-ion batteries Researchers in China have used electrochemical impedance spectroscopy to analyze the state of health of sodium-ion batteries. Extracting four features from the measurements, they were able to create a machine learning model for a temperature-resistant state of health estimation method.
Lior Kahana
Jul 16, 2025
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Researchers discover method to significantly extend quantum battery lifespan Researchers discover method to significantly extend quantum battery lifespan Researchers at the Royal Melbourne Institute of Technology (RMIT University) and Australia’s Commonwealth Scientific and Industrial Research Organisation (CSIRO) have developed a way to extend the lifetime of Dicke quantum batteries by up to 1,000 times, while maintaining their fast-charging properties enabled by superradiance.
Ev Foley
Jul 10, 2025
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US bets on fire-resilient batteries in latest $15m storage awards Non-lithium chemistry stands out as an attractive option for fire-resilient devices.
Phoebe Skok
Jul 10, 2025
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Superdielectrics unveils Faraday 2 battery as a polymer-based alternative to Li-ion Superdielectrics launches the Faraday 2 battery, advancing a water-based, metal-free approach to home storage, from a UK-based company.
Tristan Rayner
Jul 10, 2025

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