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
16 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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Australian researchers achieve zinc-ion battery life breakthrough Australian researchers are reporting a breakthrough with zinc-ion battery technology, developing a new method to significantly boost the structural stability of the cathode material that enables the battery to operate reliably for more than 5,000 charge-discharge cycles.
David Carroll
Jun 25, 2025
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EticaAG launches toxin filtration system for lithium ion batteries  The development comes on the heels of the company’s proprietary immersion technology which aims to eliminate thermal runaway risks.
Phoebe Skok
Jun 25, 2025
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Schoenergie’s 55 MWh Hithium battery project for German research project on grid stability The 21 MW / 55 MWh facility is part of the SUREVIVE research project involving Schoenergie, grid operator Westnetz, the University of Stuttgart, and the Fraunhofer Institute for Solar Energy Systems (Fraunhofer ISE).
Sandra Enkhardt
Jun 24, 2025
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Invinity flow batteries selected for nine 400 MWh-plus UK storage bids Of 171 bids, nine included flow batteries from Invinity Energy Systems, each with a 400 MWh or more capacity.
Tristan Rayner
Jun 24, 2025
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Indian researchers develop fast-charging sodium-ion battery, promising over 3,000 cycles NAtrium Super Ionic CONductor (NASICON) materials continue to show their potential for sodium-ion anodes in high-performance batteries, with fresh research out of India delving more into the materials.
Tristan Rayner
Jun 23, 2025
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Comparing thermal runaway behavior of sodium-ion, lithium-ion batteries Scientists in Germany have analyzed the thermal runaway behavior of sodium-ion batteries and lithium-ion batteries inside a 10-L reaction vessel. They have thermally abused 30 samples, each under a different state of charge level, and have found that both types suffered from runaway when the charge is at least 50%.
Lior Kahana
Jun 20, 2025
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Italian startup releases 9.8 kWh sodium-ion battery for residential applications Italy-based Heiwit's storage system features 200 Ah sodium-ion cells and has a lifespan of 6,000 cycles. The device reportedly offers thermal stability and rapid charging speed.
Lara Morandotti
Jun 16, 2025
5
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Spanish research center makes sodium-ion battery advances ITE has manufactured a prototype sodium ion cell as part of the SOSBAT project to find more sustainable energy storage alternatives to lithium-ion batteries.
Pilar Sanchez Molina
Jun 12, 2025
1
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Australian battery startup develops innovative separators Battery technology startup Voltavate has secured AUD 850,000 ($553,000) in an oversubscribed, 'pre-seed' funding round led by Australian investor Artesian.
David Carroll
Jun 12, 2025

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