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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LG Chem, Sinopec to jointly develop sodium-ion battery materials With investment in the sodium-ion battery sector rebounding in 2025 after last year’s slowdown, two chemical heavyweights are partnering to develop cathode and anode materials for the emerging technology.
Marija Maisch
Nov 07, 2025
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What insurers want battery developers to understand right now There's progress in battery energy storage system (BESS) risk maturity, but insurers are warning of supply chain problems, while OEMs are tightening their treatment of warranties.
Tristan Rayner
Nov 06, 2025
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Spanish start-up Bihar Batteries to commercialize sodium-ion batteries in 2026 The company has produced its first sodium-ion battery prototype and, in collaboration with Spanish research institute CIC energiGUNE, developed sodium-ion cell prototypes that have shown "very promising results".
Pilar Sanchez Molina
Nov 06, 2025
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Australia’s PowerCap enters US with sodium-ion batteries The Australian sodium-ion battery specialist has launched its stationary storage products in the US and plans to establish a local manufacturing facility to scale deliveries across North, Central, and South America.
Marija Maisch
Oct 31, 2025
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Unigrid scales sodium-ion battery production tenfold via Asian contract manufacturing San Diego firm expands global manufacturing capacity tenfold to 100 MWh per year, with 1 GWh targeted in 2026.
Tristan Rayner
Oct 29, 2025
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Relectrify inverterless storage system fast tracked with $25 million ARENA backing Victoria-headquartered battery technology company Relectrify has received $25 million ARENA backing to help deploy it’s CellSwitch inverterless technology, which promises to deliver 20% more energy over a battery system’s lifetime.
Ev Foley
Oct 23, 2025
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Alsym Energy launches Na-Series, claiming safe, low-cost sodium-ion battery storage The Massachusetts-based startup says its new battery is non-flammable, non-toxic, and uses non-FEOC (Foreign Entity of Concern) materials, aiming for a lower levelized cost of storage (LCOS). The technical specs provide some highlights as well.
Tristan Rayner
Oct 22, 2025

All Technologies news

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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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Diagrams of vanadium redox flow batteries
Evaluating the profitability of vanadium flow batteries Researchers in Italy have estimated the profitability of future vanadium redox flow batteries based on real device and market parameters and found that market evolutions are heading to much more competitive systems, with capital costs down to €260/kWh at a storage duration of 10 hours.
Marija Maisch
May 01, 2024
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Honda electric vehicle
Car batteries can optimize the power grid Australian researchers have found that if 10% of vehicles are electric and utilize V2G connections, they could reduce peak electricity demand at local substations by 6% and save car owners hundreds of dollars per year on charging costs.
John Fitzgerald Weaver
Mar 13, 2024
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World map with pumped hydro markers
Global atlas for pumped hydro at mining sites The researchers that created the atlas considered mining pits, pit lakes and tailings ponds within mining sites and located nearby reservoirs. The selected sites have a potential storage capacity of 30 TWh.
Emiliano Bellini
Feb 28, 2024
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Long-duration storage
Long-duration storage market to hit $223 billion in 20 years, says IDTechEx Alternatives to lithium-ion batteries will likely emerge in the years to come, according to a new report by IDTechEx.
Ryan Kennedy
Feb 06, 2024

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