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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Cold climates are no obstacle for battery storage China-based battery storage specialist Poweroad is rapidly expanding its global footprint, deploying advanced battery energy storage systems (BESS) even in some of the world’s most extreme climates, where temperatures can plunge to -40°C.
Marija Maisch
Sep 04, 2025
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Freen launches scalable sodium-ion battery storage The Estonian home and commercial storage systems come in low- and high-voltage models. The high-voltage option can scale to ten modules, for 100.8 kWh, and a six-module, low-voltage version to 45 kWh.
Sandra Enkhardt
Sep 03, 2025
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Australia’s sodium-ion energy storage technology launches in Europe After witnessing strong demand for its sodium-ion technology at home, Australian company PowerCap is bringing its stationary storage products to the European market. The initial launch will cover Italy, Germany, and Spain, with further expansion on the cards. The starting price is expected to be around €500 per kilowatt-hour of storage capacity.
Marija Maisch
Aug 29, 2025
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German iron-salt battery business Voltstorage to close The company's principal technologist said the technology delivered but 'market adversity, investment cycles, and strategic decisions' prompted the move.
Sandra Enkhardt
Aug 29, 2025
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“We are in the process of establishing a sodium-ion battery cell pilot line by 2026″: Macsen Labs CEO Achal Agrawal, CEO of Macsen Labs, a chemical company making bold strides into battery materials, speaks to pv magazine about the potential of sodium-ion batteries for energy storage, their journey developing Prussian White cathodes, and plans to scale this technology.
Uma Gupta
Aug 25, 2025
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Energy storage finance fell 41%, year-to-June, despite rebound in project deals Political uncertainty and new trade tariffs have been cited by Mercom Capital Group as dampening activity.
Luis Ini
Aug 20, 2025
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Spain’s CIUDEN tests sodium-sulfur battery in conjunction with solar, hydrogen production The 5.8 MWh battery storage system is integrated with a 2.1 MW solar plant and two electrolyzers to produce green hydrogen.
Pilar Sanchez Molina
Aug 19, 2025

All Technologies news

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Safe, long-cyclable lithium metal battery for high temperatures A research team at the University of Hong Kong (HKU) has developed a new generation of lithium metal batteries, representing a significant advancement in the field. The innovation centers on microcrack-free polymer electrolytes, which promise extended lifespan and enhanced safety at temperatures as high as 100 degrees Celsius.
Marija Maisch
Jul 25, 2024
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VoltStorage advances its iron-salt battery technology German flow battery firm VoltStorage says its next stage of technology development will deliver 20-fold increase in performance.
Sandra Enkhardt
Jul 24, 2024
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Achieving unprecedented cyclability of flowless zinc-bromine battery Researchers at the Gwangju Institute of Science and Technology in South Korea have developed a novel electrode that effectively suppresses the harmful self-discharge phenomenon in flowless zinc-bromine batteries and enables long-term operation of more than 10,000 cycles.
Marija Maisch
Jul 18, 2024
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Peak Energy secures $55 million Series A funding to manufacture sodium-ion batteries The company plans to deliver its first systems in 2025 and open a full-scale production facility in 2027.
Ryan Kennedy
Jul 18, 2024
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New cathode material for high energy density sodium-ion batteries Researchers at Karlsruhe Institute of Technology (KIT) in Germany have successfully synthesized, for the first time, a new cathode active material with a specific capacity of 190 mAh/g, potentially paving the way to high energy density sodium-ion batterieies.
Marija Maisch
Jul 15, 2024
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Energy-storing carbon fibre composites pave the way to weightless batteries Building on research work at Sweden's Chalmers University of Technology, Sinonus has developed carbon fiber-based structural batteries that not only store energy but also become an integral part of a product's structure. Their possible span of energy density is said to be around 25-50% of a conventional lithium-ion battery at current technology level.
Marija Maisch
Jul 12, 2024
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Battery storage systems
Brazil’s strategic R&D initative helps learn about energy storage integration into the grid A total of BRL 300 million ($ 55.5 million) has been allocated to 20 projects proposed by 13 companies. The Brazilian National Electric Energy Agency (ANEEL) announced the results of the winning projects, which should help inform future integration of energy storage projects.
Livia Neves
Jul 11, 2024
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Battery energy storage container
Volytica, Sinovoltaics launch new analysis service for 100% battery pack review at factory The newly launched BESSential analysis goes deeper than traditional Factory Acceptance Testing (FAT), which is performed at the container level. The service evaluates each battery energy storage system pack down to the cell level and detects and corrects thermal, electrical, and capacity imbalance issues. The analysis is performed directly at the factory, reducing the risk of post-deployment setbacks.
Marija Maisch
Jul 11, 2024
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World’s first anode-free sodium solid-state battery Researchers in the U.S. have created a new sodium battery architecture with stable cycling for several hundred cycles, which could serve as a future direction to enable low-cost, high-energy-density and fast-charging batteries.
Marija Maisch
Jul 09, 2024

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