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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Australian redox flow battery maker Allegro secures fresh cash to scale to mass production The New South Wales (NSW)-based startup wants to enter mass production with products featuring a microemulsion electrolyte made of cheap, easily available and recyclable, non-toxic, and non-flammable materials.
Max Hall
8 hours ago
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Go with the flow (batteries) There is a gap in the market for long-duration energy storage (LDES), according to US-based manufacturer ESS Inc. – one which can’t be plugged with lithium-ion chemistry. Hugh McDermott, of ESS Inc. tells pv magazine how he thinks iron flow batteries fit into the energy system of the future, as the company pursues global expansion.
Matthew Lynas
14 hours ago
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HTW Berlin 2025 energy storage inspection: Kostal, SAX Power set new efficiency records The evaluation results confirmed the outstanding system efficiency of the European inverter manufacturers, in particular. It also found large differences in efficiency of certain hybrid inverters from the maximum efficiency specifications provided by the manufacturers on the data sheets.
Marija Maisch
Feb 13, 2025
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KPIT, Trentar partner on 3 GWh sodium-ion battery plant The technology transfer agreement includes Trentar investing in a 3 GWh manufacturing facility and KPIT receiving upfront technology transfer fees and additional royalty fees over eight years.
Uma Gupta
Feb 12, 2025
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German project for fast industrial implementation of sodium-ion battery technology Cheap, safe, widely available sodium could be used for battery energy storage alongside photovoltaics. The Sodium-Ion-Battery Germany (SIB:DE) Research project is investigating whether sodium-ion technology can be affordably integrated into lithium-ion battery production facilities.
Scarlet Schmitz
Feb 12, 2025
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Grid-forming-inverter-backed big batteries can raise renewables hosting capacity Researchers have recommended electricity transmission system operators (TSOs) consider grid-forming battery energy storage systems (BESS) to improve network stability and maximize system hosting capacity.
William Driscoll
Feb 12, 2025
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How energy storage could transform the railway industry A new study determines what types of energy storage systems (ESS) are most promising for onboard and wayside storage.
Phoebe Skok
Feb 10, 2025

All Technologies news

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Liquid metal battery storage specialist Ambri emerges from restructuring After filing for Chapter 11 bankruptcy protection, the US-based calcium-antimony liquid metal battery startup incubated at the Massachusetts Institute of Technology (MIT) has now confirmed the closing of the sale of its assets.
Marija Maisch
Aug 02, 2024
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Pieces of zinc in its raw form on a black background.
Zinc bateries to be Hindustan Zinc’s strategic focus The company, which is the second largest global integrated zinc producer, has access to vast domestic zinc reserves, and intends to explore new avenues of zinc applications in batteries.
Blathnaid O’Dea
Aug 02, 2024
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Faster, cleaner way to extract lithium from battery waste The microwave-based process developed by researchers at Rice University in Texas, US, can retrieve as much as 50% of lithium from spent cathodes in as little as 30 seconds, overcoming a significant bottleneck in lithium ion battery recycling.
Marija Maisch
Jul 31, 2024
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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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