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Opinion & Analysis

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

New May issue – Now available

Mountains to climb

The May issue of pv magazine Global is out now! Available in print and digital – get your copy today!

pv magazine Focus 2026 announcement box

pv magazine Focus 2026

1-Day Conference

High-level discussions on solar and energy storage across Europe. Experts explore how to plan and execute bankable BESS projects, what quality and warranty factors matter, and how energy management systems optimize residential and C&I applications, including heat pumps, EV charging, and new market opportunities.

1:00 – 5:00 pm, CEST | June 24, 2026

The smarter E Europe, ICM Conference Center | Munich, Germany

Register For Free

pv magazine Awards 2026

pv magazine Awards 2026

Window is open now!

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

Saudi Arabia is accelerating its clean energy transition. Join the third SunRise Arabia Clean Energy Conference in 2026 to explore how solar PV and energy storage are powering the Kingdom’s growing digital economy, including data centers. Policymakers, investors, and innovators will share insights on technology, deployment strategies, and long-term value creation in Saudi Arabia’s evolving energy landscape.

9:00 am – 6:00 pm, AST | September 30, 2026

Riyadh, Saudi Arabia

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All R&D news

Opinion & Analysis

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

Products

Panasonic claims world’s first trial of cybersecurity monitoring for grid-scale BESS A Japanese joint-pilot will test grid-scale BESS with a range of local and remote attack vectors, with cybersecurity monitoring to watch for indications of anomalies.

Mar 19, 2026

Technologies

Scientists demonstrate quantum battery prototype with rapid charging Scientists from Australia’s Commonwealth Scientific and Industrial Research Organisation (CSIRO), RMIT University and the University of Melbourne have developed a quantum battery prototype that demonstrates rapid, scalable energy storage using collective quantum effects.

Mar 19, 2026

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