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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Sodium-ion vs lithium-ion BESS: Cost parity not before 2031 “Europe needs massive investments in energy storage to achieve true independence. This requirement cannot be met by a single technology, let alone by depending on a single geographic area. The goal is therefore to build a storage industry and a broader grid infrastructure under the control of Western countries. A strategic and ambitious goal that will take time,” Dario Bertagna, senior managing director and co-head of Clean Energy at Capital Dynamics, told pv magazine Italia.
Sergio Matalucci
16 hours ago
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Rechargeable zinc batteries: Overcoming challenges and finding opportunities   Josef Daniel-Ivad from the Zinc Battery Initiative updates the current scaling of zinc battery manufacturers and technology.
Josef Daniel-Ivad
May 18, 2026
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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

All Technologies news

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Polar Night Energy plans second pilot sand-battery in Finland Polar Night Energy will build a second pilot plant in southern Finland to test its power-to-heat-to-power sand battery technology. The project aims to demonstrate the system’s ability to reconvert stored heat into electricity.
Patrick Jowett
May 05, 2025
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US’ Georgia Tech, Stryten Energy tap lead battery innovation A new battery energy storage system (BESS) will combine academic research and real-world deployment to create a living laboratory for energy storage experimentation.
Phoebe Skok
Apr 28, 2025
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Consultation over 5 GWh French sodium-ion battery factory Startup Tiamat wants an initial 700 MWh-per-year pilot line operational but a 2025 commissioning date will likely be pushed back into next year.
Marie Beyer
Apr 25, 2025
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E.ON partners with Superdielectrics to develop novel polymer-based energy storage E.ON is now working with a UK-based battery tech firm to advance more environmentally friendly energy storage for households.
Tristan Rayner
Apr 17, 2025
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UL battery safety standard updated for new storage chemistries Underwriters Laboratories (UL) says the fifth edition of its ANSI/CAN/UL 9540A standard addresses technology such as sodium-ion batteries and new use-cases including rooftop installations.
Max Hall
Apr 17, 2025
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South Korean research leads to new lith-ion hybrid anode material “This research offers a pathway to smaller, lighter, and more efficient energy storage for next-generation electronic devices,” said Dongguk University Professor Jae-Min Oh.
Ev Foley
Apr 17, 2025
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XL Batteries launches grid-scale organic flow battery project  With no rare metals or fire risk, the Massachusetts startup is pushing a new model for long-duration energy storage.
Phoebe Skok
Apr 10, 2025
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Smoke and vanadium leak from Swiss home energy storage unit Vanadium redox flow energy storage manufacturer Prolux Solutions said 50 l of vanadium electrolyte leaked from a residential unit in Arbon but no fire occurred.
Sandra Enkhardt
Apr 09, 2025
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UK grant for English vanadium flow battery project Invinity, the part UK government-owned vanadium flow battery (VFB) company, has secured a $9 million grant from the Department for Energy Security and Net Zero (DESNZ) for a site in the South East of England.
Max Hall
Apr 04, 2025

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