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R&D

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

Technologies

South Korean researchers develop nanoscale zinc-anode coating to boost stability in water-based zinc-ion batteries A thin polymer coating improves zinc-ion battery lifespan by preventing dendrites and harmful side reactions.

Aug 13, 2025

Technologies

Ore Energy brings first grid-connected iron-air battery online in the Netherlands Dutch startup Ore Energy has connected a pilot iron-air "rust" battery to the grid, a first long-duration energy storage (LDES) system fully-built in the European Union.

Jul 30, 2025

R&D

Compressed air energy storage enhanced by gravity Scientists in China have simulated an advanced adiabatic compressed air energy storage, to which they added an elastic airbag with a heavy load situated above it. The energy, exergy, and economic analysis of the system showed that, due to the constant weight of the heavy load, the airbag’s pressure level remains unaltered during operation.

Jul 23, 2025

R&D

Researchers discover method to significantly extend quantum battery lifespan Researchers discover method to significantly extend quantum battery lifespan Researchers at the Royal Melbourne Institute of Technology (RMIT University) and Australia’s Commonwealth Scientific and Industrial Research Organisation (CSIRO) have developed a way to extend the lifetime of Dicke quantum batteries by up to 1,000 times, while maintaining their fast-charging properties enabled by superradiance.

Jul 10, 2025

R&D

Superdielectrics unveils Faraday 2 battery as a polymer-based alternative to Li-ion Superdielectrics launches the Faraday 2 battery, advancing a water-based, metal-free approach to home storage, from a UK-based company.

Jul 10, 2025

Manufacturing

‘Italy could have potassium battery gigafactory by 2030’ Polytechnic University of Turin professor Silvia Bodoardo told pv magazine Italia about the innovative battery projects her institution is working on.

Sergio Matalucci

Jul 09, 2025

pv magazine Week Europe 2025 Announcement

pv magazine Week Europe 2025

pv magazine Week Europe 2025 brings together leading voices from the solar and storage industries to explore what’s next for the European energy transition. Topics include market trends, pricing pressures, and large-scale storage.

December 1-4, 2025 | Virtual Event

pv magazine USA Week 2025

pv magazine USA Week 2025

pv magazine USA is hosting the second edition of its multi-day virtual event, focused on advancing U.S. solar and energy storage markets. Each day explores topics like project financing, the evolving domestic supply chain, and distributed energy’s role in a resilient grid.

October 28-30, 2025 | Virtual Event

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All R&D news

Grid-scale

Quidnet Energy tests MWh-scale geomechanical energy storage Quidnet Energy has demonstrated its long-duration geomechanical energy storage (GES) at the megawatt-hour scale. The tech stores excess grid electricity by pressurizing water underground, later releasing it to supply reliable power.

Mar 04, 2025

R&D

New method to restore lithium-ion battery ageing With the help of artificial intelligence, Fudan University researchers have developed a new lithium carrier molecule, CF3SO2Li, significantly extending the life of lithium-ion batteries and restoring their electrochemical performance.

Feb 25, 2025

Technologies

Sodium-ion vs. lithium-iron-phosphate batteries Researchers in Germany have compared the electrical behaviour of sodium-ion batteries with that of lithium-iron-phosphate batteries under varying temperatures and state-of-charges. Their work shows how state-of-charge during cycling significantly affects the efficiency of sodium-ion devices.

Emiliano Bellini, Tristan Rayner

Feb 17, 2025

Grid-scale

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

R&D

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.

Feb 10, 2025

R&D

Korean research boosts lithium battery stability, efficiency, density Scientists in South Korea have modified lithium-nickel-manganese-tetraoxygen (LNMO) cathodes to enhance lithium-ion battery stability and efficiency and boost lifespan and energy density.

Feb 07, 2025

Technologies

Pumped hydro and batteries can meet energy storage needs, study shows A new Australian National University study says long-duration pumped hydro on non-river sites, combined with batteries, can meet global energy storage needs.

Feb 03, 2025

R&D

Extending lifecycle of flywheel energy storage via average consensus algorithm Scientists in China have conceived a lifecycle-based "average consensus algorithm" that can reportedly balance power in flywheel energy storage systems and extend their lifespan.

Emiliano Bellini

Jan 30, 2025

R&D

New aluminum-ion battery with unprecedented long cycle life Researchers in China have reported a breakthrough in the development of aluminum-ion batteries. They have created a solid-state electrolyte that facilitates the smooth movement of aluminum ions, significantly improving the battery’s performance and longevity.

Jan 29, 2025

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