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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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
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Envision launches 12.5 MWh AI storage system, starts production of 790 Ah LFP cell Envision adds to the impressive list of announcements out of ESIE 2026, with a new BESS and new LFP cell.
Vincent Shaw
Apr 09, 2026
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VRF long-duration batteries answer demands of electricifation: Eora Energy Sydney-headquartered vanadium redox flow battery company EORA Energy has launched in Australia with a pipeline of long-duration energy storage projects in mining, data centres and regional infrastructure.
Ev Foley
Apr 09, 2026

All Technologies news

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Energy Vault unveils design partnership for gravity storage in skyscrapers The partnership will see architecture and engineering firm Skidmore, Owings & Merrill (SOM), responsible for some of the world’s tallest buildings, incorporate Energy Vault’s gravity energy storage technology into tall buildings in urban environments and deployable structures in natural environments.
Patrick Jowett
Jun 04, 2024
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Illustration of solid-state Na-air battery
High-efficiency, high-energy all-solid-state sodium-air battery Researchers in South Korea have successfully demonstrated the use of free ambient air as a fuel leveraging a sodium-based solid electrolyte to tackle the carbonate issue that has been holding back the rollout of metal-air batteries. Their sodium-air battery cell has demonstrated high efficiency, incresed energy density, and a broad voltage range.
Marija Maisch
Jun 03, 2024
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Chart showing the fully installed energy storage system average capex and ranges by technology
LDES poised to outcompete lithium-ion batteries While most long-duration energy storage (LDES) technologies are still early-stage and costly compared to lithium-ion batteries, some have already or are set to achieve lower costs for longer durations, finds BloombergNEF.
Marija Maisch
May 31, 2024
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Illustration of geomechanical energy storage project
Texas to host 300 MW of geomechanical energy storage projects Quidnet Energy, a provider of geomechanical energy storage (GES) technology, has joined hands with distributed energy resources developer Hunt Energy Network to deliver 300 MW of storage projects in the Electric Reliability Council of Texas (ERCOT) grid operating region.
Marija Maisch
May 30, 2024
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Disassembled batteries
Spanish initiative for advanced battery recycling technologies Spain's Energy Technology Institute has initiated a project named RECILION in a bid to develop advanced recycling technologies that are reproducible on a commercial scale.
Pilar Sanchez Molina
May 27, 2024
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Assistant Professor Golareh Jalilvand and her research team
Bringing lithium-sulfur batteries closer to commercialization Researchers at the University of South Carolina have successfully transitioned their highly-durable lithium-sulfur battery technology from coin to pouch cells and reported competent energy densities.
Marija Maisch
May 27, 2024
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China southern power grid
China switches on first large-scale sodium-ion battery China Southern Power Grid has deployed a 10 MWh sodium-ion battery in China’s Guangxi Zhuang region. It is the first phase of a 100 MWh project.
Pilar Sanchez Molina
May 21, 2024
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Schematic of the system
Integrating pumped hydro with compressed air energy storage A group of Chinese researchers has made a first attempt to integrate pumped hydro with compressed air storage and has found the latter may help the former to better deal with large head variations.
Emiliano Bellini
May 16, 2024
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Varta group
German initiative to develop scalable sodium-ion batteries A collaborative project led by German battery supplier Varta aims to develop industrial-scale sodium-ion battery technology. The final product of the three-year, €7.5 million ($8.08 million) project will be a small series of round cells for electric vehicles and stationary storage systems.
Patrick Jowett
May 16, 2024

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