Category Chemistry/Nanotechnology

Passive cooling paint sweats off heat to deliver 10X cooling and 30% energy savings

New passive cooling paint sweats off heat to deliver 10X cooling and 30% energy savings
Comparison of radiative cooling paint versus integrated cooling paint for buildings. Credit: Science (2025). DOI: https://doi.org/10.1126/science.adt3372

A new cement-based paint can cool down the building by sweating off the heat. The cooling paint, named CCP-30, was designed by an international team of researchers and features a nanoparticle-modified porous structure composed of a calcium silicate hydrate (C-S-H) gel network.

This design enabled it to achieve superior cooling by combining both radiative, evaporative and reflective cooling mechanisms, which allowed it to reflect 88–92% of sunlight, emit 95% of the heat as infrared radiation, and hold about 30% of its weight in water, making it a paint ideal for keeping spaces cool throughout the day and across seasons.

As pe...

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Diamond nanoparticles get a quantum upgrade with shell inspired by TV technology

New biosensor solves old quantum riddle
By encasing a diamond nanoparticle with a specially engineered shell—a technique inspired by QLED televisions—the team created a quantum biosensor ideal for a living cell. Credit: Jason Smith

Putting hypersensitive quantum sensors in a living cell is a promising path for tracking cell growth and diagnosing diseases—even cancers—in their early stages.

Many of the best, most powerful quantum sensors can be created in small bits of diamond, but that leads to a separate issue: It’s hard to stick a diamond in a cell and get it to work.

“All kinds of those processes that you really need to probe on a molecular level, you cannot use something very big. You have to go inside the cell...

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Scientific breakthrough brings CO2 ‘breathing’ batteries closer to reality

The lithium-CO2 battery prototype in a jar

Scientists at the University of Surrey have made a breakthrough in eco-friendly batteries that not only store more energy but could also help tackle greenhouse gas emissions. Lithium-COâ‚‚ ‘breathing’ batteries release power while capturing carbon dioxide, offering a greener alternative that may one day outperform today’s lithium-ion batteries.

Until now, Lithium-COâ‚‚ batteries have faced setbacks in efficiency — wearing out quickly, failing to recharge and relying on expensive rare materials such as platinum. However, researchers from Surrey have found a way to overcome these issues by using a low-cost catalyst called caesium phosphomolybdate (CPM)...

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Record-setting lithium-ion conductors: Researchers develop new material for solid-state batteries

World record for lithium-ion conductors
Prof. Thomas F. Fässler in his laboratory at the Chair of Inorganic Chemistry with a Focus on Novel Materials. Credit: Wenzel Schuermann / TUM

Researchers at TUM and TUMint.Energy Research have taken a significant step towards improving solid-state batteries. They developed a new material made of lithium, antimony and scandium that conducts lithium ions more than 30% faster than any previously known material. The work is published in the journal Advanced Energy Materials.

The team led by Prof. Thomas F. Fässler from the Chair of Inorganic Chemistry with a Focus on Novel Materials partially replaced lithium in a lithium antimonide compound with the metal scandium. This creates specific gaps, so-called vacancies, in the crystal lattice of the conductor material...

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