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
6 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
12 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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Case of zinc-ion battery
Zinc-ion batteries: a less volatile alternative? At a time of growing demand for battery energy storage, pv magazine spoke with Eloisa de Castro, CEO of Enerpoly, a Swedish company preparing to launch the world's first zinc-ion battery megafactory on its home turf. Having solved rechargeability issues, the company expects its safe and sustainable zinc-ion batteries, which rely solely on a European supply chain, to increase their market share in the years to come.
Sergio Matalucci
Jun 06, 2024
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Handshake
Altris, Stora Enso to develop sodium-ion anode from lignin Swedish sodium-ion battery specialist Altris has partnered with Stora Enso, Finish-Swedish cellulose and paper maker, to drive the adaptation of the corporation’s hard carbon solution Lignode as an anode material in its sodium-ion battery cells.
Marija Maisch
Jun 06, 2024
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Silver City
Long-duration storage key for Australia’s energy security, report finds Australia's Clean Energy Council has launched a new report, exploring emerging long duration energy storage technologies capable of firming renewables in the wake of coal-fired power generation closures.
Ev Foley
Jun 05, 2024
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Torus building
US commercial real estate to host VPP-connected flywheels and batteries US-based technology provider Torus has agreed to supply nearly 26 MWh of energy storage for Gardner Group's commercial real estate portfolio. The project will integrate battery and flywheel energy storage systems (BESS, FESS) with Torus' proprietary energy management platform. 
Blathnaid O’Dea
Jun 05, 2024
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Energy Vault unveils design partnership for gravity storage in skyscrapers The partnership will see architecture and engineering firm Skidmore, Owings & Merrill (SOM), responsible for some of the world’s tallest buildings, incorporate Energy Vault’s gravity energy storage technology into tall buildings in urban environments and deployable structures in natural environments.
Patrick Jowett
Jun 04, 2024
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Illustration of solid-state Na-air battery
High-efficiency, high-energy all-solid-state sodium-air battery Researchers in South Korea have successfully demonstrated the use of free ambient air as a fuel leveraging a sodium-based solid electrolyte to tackle the carbonate issue that has been holding back the rollout of metal-air batteries. Their sodium-air battery cell has demonstrated high efficiency, incresed energy density, and a broad voltage range.
Marija Maisch
Jun 03, 2024
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Chart showing the fully installed energy storage system average capex and ranges by technology
LDES poised to outcompete lithium-ion batteries While most long-duration energy storage (LDES) technologies are still early-stage and costly compared to lithium-ion batteries, some have already or are set to achieve lower costs for longer durations, finds BloombergNEF.
Marija Maisch
May 31, 2024
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Illustration of geomechanical energy storage project
Texas to host 300 MW of geomechanical energy storage projects Quidnet Energy, a provider of geomechanical energy storage (GES) technology, has joined hands with distributed energy resources developer Hunt Energy Network to deliver 300 MW of storage projects in the Electric Reliability Council of Texas (ERCOT) grid operating region.
Marija Maisch
May 30, 2024
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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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