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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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
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ERCOT proposes $1,500/MW incentive for legacy Texas storage to adopt grid stability support Older storage and renewables might be incentivized to add grid stability services in Texas if current plans continue with a $25 million program.
Tristan Rayner
Apr 08, 2026
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Titanium emerges as a vanadium alternative for redox flow batteries A Japanese-Chinese team developed a titanium molten salt redox-flow battery using abundant titanium ions and molten salt electrolytes to enable high-voltage, fast, and stable grid-scale energy storage. The system demonstrates high efficiency of over 97%, strong cycling stability, and improved cost and scalability compared to vanadium-based batteries, with further optimization underway.
Emiliano Bellini
Apr 08, 2026
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Renalfa BESS in Bulgaria
Utility-scale sodium-ion arrives in Romania: Renalfa plans 3.6 GWh dual-chemistry BESS A major Romanian hybrid cluster is advancing after the acquisition of significant PV and BESS assets in the country. New investment will then mix lithium-ion and sodium-ion storage
Tristan Rayner
Apr 08, 2026

All Technologies news

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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.
Lívia 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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kehua semi-solid
World’s first grid-scale, semi-solid-state energy storage project goes online The 100 MW/200 MWh energy storage project featuring lithium iron phosphate (LFP) solid-liquid hybrid cells was connected to the grid near Longquan, Zhejiang Province, China.
Marija Maisch
Jul 05, 2024
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Paper byproduct lignin’s potential for capacitors, sodium-ion batteries A research team at Germany’s Friedrich Schiller University of Jena have identified a potential way to make energy storage systems more sustainable using lignin waste from the timber industry.
Blathnaid O’Dea
Jul 05, 2024
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Interview with Trina Storage: We expect consolidation in the coming years In a recent interview with pv magazine Italia, Gabriele Buccini, head of utility storage at Trina Solar, talked about the company's vertical integration and its forecasts for the storage market. “There is enough capacity available to drive prices down in 2024 in an anomalous way,” Buccini said when talking about global battery energy storage production levels.
Sergio Matalucci
Jul 05, 2024
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China southern power grid
World’s largest sodium-ion battery goes into operation The first phase of Datang Group’s 100 MW/200 MWh sodium-ion energy storage project in Qianjiang, Hubei Province, has been connected to the grid.
Marija Maisch
Jul 02, 2024

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