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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UCB Power and FAS launch sodium battery solar project in Amazon community It's Brazil’s first photovoltaic power plant with sodium battery storage, using 16 batteries for 38.40 kWh of overall storage.
LĂ­via Neves
Aug 12, 2025
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Thermal batteries offer alternative to lithium-ion storage Jaicky Kumar, co-founder and CEO of Voltanova – a deep-tech firm incubated by the Foundation for Science, Innovation and Development (FSID) at the Indian Institute of Science (IISc) – speaks to pv magazine about the company’s thermal battery system and how it compares to lithium-based energy storage.
Uma Gupta
Aug 08, 2025
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Lyten steps up again to buy Northvolt’s $5 billion battery empire in Sweden and Germany After a series of acquisitions, US startup Lyten has furthered its Northvolt acquisitions, buying the failed company's Swedish and German assets, marking a major shift in Europe’s battery landscape.
Tristan Rayner
Aug 08, 2025
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Sumitomo Electric supplies flow battery for AI-led smart energy trial in Japan Sumitomo Electric Industries has installed a vanadium redox flow battery at Osaka Metropolitan University as part of a trial to optimize solar use and energy storage with AI. The project combines the battery with Kansai Electric Power’s cloud-based control platform.
Brian Publicover
Aug 06, 2025
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Battery recycling centre launched at University of Adelaide, Australia The federal government’s Australian Research Council has launched a new center in South Australia that will seek to provide industry-led solutions for the recovery, reuse and recycling of battery waste in Australia.
David Carroll
Aug 06, 2025
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New real-time measurement process can determine State of Charge and battery operational safety A method developed at Fraunhofer IFAM, known as "dynamic impedance spectroscopy," provides real-time data on a battery's safety status and more, all while it's in operation. This breakthrough is set to enable optimized battery management in electric vehicles and is also intended for applications like photovoltaic storage systems.
Jochen Siemer
Aug 04, 2025
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Peak Energy launches first U.S. grid-scale sodium-ion storage system In a shared pilot with utilities and IPPs, Peak Energy’s passively cooled sodium-ion system targets a 20% lifetime cost drop and a 33% cut in degradation over 20 years.
Phoebe Skok
Jul 30, 2025
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Ore Energy brings first grid-connected iron-air battery online in the Netherlands Dutch startup Ore Energy has connected a pilot iron-air "rust" battery to the grid, a first long-duration energy storage (LDES) system fully-built in the European Union.
Tristan Rayner
Jul 30, 2025
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Iron-sodium battery to back up fire-prone community in California The Department of Energy granted $4.1 million to Inlyte Energy to deploy grid-scale batteries in a microgrid in northern California.
Ryan Kennedy
Jul 29, 2025

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