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
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
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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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Silbat silicon batteries guarantee uninterrupted power supply for 14 days The silicon batteries developed by the Spanish startup Silbat are spearheading the Research and Analysis of Long-Duration Energy Storage for Operational Resilience in Critical Military Infrastructures (ARMIC) project, covering Technology Readiness Levels (TRL) 7 to 8.
Pilar Sanchez Molina
Feb 16, 2026
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World’s fastest supercomputers probing future of sodium-ion batteries Japanese researchers used supercomputer simulations to reveal how sodium ions form clusters and move within hard carbon anodes, identifying nanopore sizes and transition regions that control diffusion and rate performance in sodium-ion batteries. Their findings offer design guidelines for optimizing hard-carbon anodes to improve energy density, cycling, and commercialization prospects.
Emiliano Bellini
Feb 13, 2026
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Can sodium-ion beat lithium-ion in portable power? The Bluetti Pioneer Na gives it a try The world of batteries needs alternative chemistries to skirt weaknesses with lithium-ion. Sodium-ion is a big hope, and in portable power, Bluetti's new product shows promise, and limitations.
Tristan Rayner
Feb 13, 2026
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Comparing safety profiles of lithium-ion, sodium-ion and solid-state batteries New research finds that battery safety rankings are not universal but highly dependent on application scenarios, and shows that LFP batteries can emit high levels of hydrogen fluoride, challenging their reputation as the “safest” chemistry.
Marija Maisch
Feb 11, 2026
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Energy Vault locks in 1.5 GWh of Peak Energy’s sodium-ion batteries for AI data centers The companies will co-develop a full-stack storage platform – combining Peak Energy’s sodium-ion batteries with Energy Vault’s proprietary digital stack -dedicated to the Swiss company's AI infrastructure portfolio.
Marija Maisch
Feb 10, 2026
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Ore Energy completes 100-hour iron-air storage system for EDF in France The EU-funded pilot – the first of its kind in Europe -demonstrated the ability of the company’s iron-air LDES technology to deliver multi-day energy storage in a real-world utility environment.
Marija Maisch
Feb 10, 2026
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German researchers develop sodium-ion battery based on lignin German researchers have developed a sodium-ion battery technology using lignin-based hard carbon as the negative electrode. The 1 Ah battery cell prototype showed no significant degradation after 100 charging and discharging cycles.
Emiliano Bellini
Feb 05, 2026
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Battery management systems key to deploying batteries in data centers A new study highlights the critical role of advanced AI-integrated battery management system technologies in monitoring, optimizing, and predicting battery performance for reliable and sustainable data center operations.
Emiliano Bellini
Feb 04, 2026
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CMBlu Energy to supply Uniper with 5 GWh of SolidFlow battery storage technology The ten-year agreement sees CMBlu Energy supply its SolidFlow battery technology to the German energy company from 2027. Uniper intends to deploy the battery systems in tranches of at least 100 MWh.
Sandra Enkhardt
Feb 03, 2026

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