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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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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Lamborghini with lithium-ion batteries
Organic cathode for high-energy, fast-charging lithium-ion batteries Massachusetts Institute of Technology (MIT) researchers have developed a new organic cathode material with an energy density higher than most cobalt-based cathodes. It can charge–discharge in as little as six minutes. Automaker Lamborghini has licensed the patent for the technology.
Marija Maisch
Feb 01, 2024
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Stack of a vanadium flow battery
Chinese researchers develop high power density vanadium flow battery stack Researchers at the Dalian Institute of Chemical Physics (DICP) in China have developed a 70 kW-level vanadium flow battery stack. The newly designed stack comes in 40% below current 30 kW-level stacks in terms of costs, due to its volume power density of 130 kW/m3.
Marija Maisch
Jan 24, 2024
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Toyota concept car
New solid state battery charges in minutes, lasts for thousands of cycles Researchers from the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have developed a new lithium metal battery that can be charged and discharged at least 6,000 times — more than any other pouch battery cell — and can be recharged in a matter of minutes.
Marija Maisch
Jan 15, 2024

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