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Rechargeable zinc batteries: Overcoming challenges and finding opportunities Josef Daniel-Ivad from the Zinc Battery Initiative updates the current scaling of zinc battery manufacturers and technology.

Josef Daniel-Ivad

May 18, 2026

R&D

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.

Apr 10, 2026

R&D

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

R&D

Conductive smart hydrogels as battery electrolytes: Promising for lithium, sodium, and zinc-ion chemistries Hydrogels offer promise in batteries as an electrolyte, including lithium and sodium chemistries, due to being inherently more safe.

Apr 02, 2026

R&D

Chinese team reports hydrofluorocarbon electrolyte for 700 Wh/kg lithium battery Nature paper shows lithium-metal pouch cells above 700 Wh/kg and operation down to -70 C.

Mar 30, 2026

R&D

Spain completes testing of Europe’s largest research vanadium BESS Spain’s Fundación Ciudad de la Energía (Ciuden), a government energy research foundation, has completed operational testing of a 1 MW/8 MWh vanadium redox flow battery (VRFB) system at its Cubillos del Sil technology center, which it says is the largest vanadium flow battery in Europe dedicated to applied research.

Pilar Sanchez Molina

Mar 24, 2026

R&D

New cost-saving copper welding technique for battery cells revealed by Fraunhofer Resistance projection welding technique could unlock cost-effective copper interconnection potential. Described as a major opportunity for German battery manufacturers, the new approach to copper interconnections will now be used in commercial production.

Mar 20, 2026

pv magazine Global May Edition 2026

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pv magazine Awards 2026

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Entries open in seven categories: Modules, Inverters, BoS, BESS, Manufacturing, Sustainability, Projects.

April 01 – August 31, 2026

SunRise Arabia Update Announcement Box

SunRise Arabia Clean Energy Conference 2026

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All R&D news

SunTrain prototype

R&D

SunTrain: Moving energy via batteries on railways SunTrain is hoping to ship renewable energy via battery-powered trains, charged from solar and wind, using rail networks.

Dec 17, 2024

Sodium-ion batteries

Peak Energy behind Colorado sodium-ion battery cell engineering center The company seeks to commercialize alternatives to utility-scale lithium-ion battery energy storage.

Michael Puttré

Dec 17, 2024

Technologies

EV charging microgrid project powered by lead batteries The developers of the first-of-its-kind lead battery-powered EV charging station, currently located in Missouri, say they plan to roll it out across the US.

Blathnaid O’Dea

Dec 16, 2024

Markets

Brazil’s Klabin and ISI developing battery anode from paper processing byproduct Pulp processing byproduct Kraft lignin could be a promising alternative to China-dominated synthetic graphite in the anodes of lithium-ion batteries.

Alessandra Neris

Dec 12, 2024

R&D

Inlyte reports zero loss over 700 cycles for its iron-sodium battery tech The startup is targeting commercial demonstration projects in 2025 and large-scale U.S. manufacturing by early 2027.

Dec 10, 2024

R&D

Basque body CIC energiGUNE to develop fluorine-free lithium-metal electrolytes The NoF-LIME project will be led by the Basque center, with the collaboration of Boston College and the Massachusetts Institute of Technology (MIT).

Pilar Sanchez Molina

Dec 05, 2024

R&D

Air Energy launches to bring solid-state lithium-air batteries closer to commercialization While some may call it a fairytale chemistry, solid-state lithium-air battery (SS-LAB) technology is now a step closer to commercial reality with the foundation of Air Energy. The startup has set out to scale the application of this promising technology over the next five years.

Nov 29, 2024

Technologies

TU Munich, Max Planck Society establish German solar battery research center The facility, in Garching, near Munich, will research technology that combines solar cells and batteries in a single component and can chemically store solar energy directly. Researchers expect high efficiency and fast charging and discharging processes to result. The solar batteries examined can also be used off grid.

Nov 29, 2024

Technologies

Storing solar energy as heat in synthetic molecules for future energy storage systems German researchers are testing lab-made molecules designed to absorb, store, and release solar energy on demand, acting as 'heat batteries'. The researchers say their method is more efficient at storing solar energy compared to conventional thermal heat storage systems.

Blathnaid O’Dea

Nov 27, 2024

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