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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German startup wins grant for grid-charging sodium-ion home battery Revolta AG has secured European Regional Development Fund (ERDF) support to develop a plug-and-play sodium-ion battery that households without solar panels can charge from the grid when power prices are low.
Brian Publicover
Oct 02, 2026
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CBAK Energy to add 12 GWh sodium-ion cell production capacity in Nanjing Chinese lithium-ion battery manufacturer signs investment agreement with Nanjing Gaochun Economic Development Zone. Separate 6 GWh expansion planned for existing Nanjing facility expected by year-end 2026.
Matthew Lynas
Oct 02, 2026
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Spanish researchers validate 10,000 cycles for iron-lead flow battery A Spanish-developed iron-lead flow battery uses a single electrolyte loop and a fluorine-free membrane to cut costs and reliance on critical raw materials, with kilowatt-scale modules the next development step.
Pilar Sanchez Molina
Oct 01, 2026
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Sodium-ion batteries: the next frontier or the next risk? While sodium-ion offers a compelling long-term solution to flattening LFP cost curves and tight supply chains, its lack of field-validated performance data transfers significant technology and bankability risks directly onto developer balance sheets.
Raafe Khan
Sep 30, 2026
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EnerVenue lands first megawatt-size order for its non-lithium, aqueous metal cell storage tech Twenty-six Energy Prism units will store onsite solar generation for an undisclosed Chinese oil and gas producer.
Vincent Shaw
Sep 28, 2026
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Sodium-ion packs 25% less carbon-intensive than LFP, say researchers A new Chinese study ranks sodium-ion ahead of lithium iron phosphate (LFP) on manufacturing emissions, the reverse of what European researchers found in 2025.
Brian Publicover
Sep 28, 2026
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Lava Blue hosts Australia’s first grid-connected sodium-sulfur battery Australia’s first grid-connected sodium-sulfur battery system has commenced operations in Queensland, helping power a critical minerals processing facility and providing a real-world demonstration of the long-duration energy storage technology.
Brian Publicover
Sep 23, 2026

All Technologies news

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Alsym and Juniper to deploy 500 MWh of US sodium-ion battery storage Strategic agreement will see California-based renewables developer ramp up sodium-ion battery deployment. Deal follows Alsym Energy entering 8.5 GWh partnership with iron flow battery business ESS.
Matthew Lynas
May 12, 2026
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SoftBank to make next-gen zinc-halogen battery cells in Japan for AI data centers SoftBank's mobile arm is gearing up to scale the intriguing zinc-halogen battery cell chemistry to 1 GWh annual production.
Tristan Rayner
May 11, 2026
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BloombergNEF confirms energy storage has reached the 100 GW era A record year, and an incredibly strong outlook for the energy storage sector.
Tristan Rayner
May 11, 2026
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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
May 08, 2026
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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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