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Increasing the Energy Density of Hybrid Supercapacitor Electrodes

Hybrid supercapacitors (HSCs) integrate the merits of batteries with those of supercapacitors. However, the fraction of active material in HSC electrodes has remained too low for commercial requirements. Now, researchers have found a clever way to increase the active-mass ratio to achieve dramatic improvements in key measures. Read more »

Nicotine Protonation in Simulated Vaping Aerosols

To better understand how e-cigarette additives alter nicotine chemistry and users’ perceptions of vaping, researchers used x-ray spectroscopy technology at the Advanced Light Source to analyze the acid-base equilibria of additive-enhanced nicotine in simulated vaping aerosols. Read more »

ALS User Forum: A Time for Cookies with Colleagues

The place, frequency, and snack selection might have changed over the years, but Cookie Time has always been a way for the ALS community to gather. In its current incarnation, different groups contribute their favorite snacks, and all are welcome to mingle each Thursday at 3 p.m. Read more »

Extreme Closeup of Copper Electrocatalysts in Action

Researchers at Berkeley Lab have made real-time movies of copper nanoparticles as they evolve to convert carbon dioxide and water into renewable fuels and chemicals. Their new insights could help advance the next generation of solar fuels. Read more »

Gemini Beamline 2.0.1 Banks Its First Protein Structure

A protein structure obtained from ALS Beamline 2.0.1 (“Gemini”) has recently been published in the literature and deposited into the Protein Data Bank (PDB)—two significant firsts for this beamline. The structure helped provide new insights into the molecular mechanisms involved in triggering certain inflammatory diseases. Read more »

Doped Nickelate Enters a New Phase with Spintronics Potential

Rare-earth nickelates are known to undergo a metal-to-insulator phase transition as temperature decreases, the mechanism of which is not well understood. Here, researchers observed a new low-temperature phase that’s both metallic and antiferromagnetic—an unusual combination with potential value in spintronics. Read more »

Electric Vehicle Batteries Could Get Big Boost With New Polymer Coating

Scientists have developed a conductive polymer coating—called HOS-PFM—that conducts both electrons and ions at the same time. This ensures battery stability and high charge/discharge rates while enhancing battery life. The coating also shows promise as a battery adhesive that could extend the lifetime of a lithium-ion battery from an average of 10 years to about 15 years. Read more »

Howard Padmore Elected AAAS Fellow

The American Association for the Advancement of Science (AAAS) has announced their 2022 Fellows, including the ALS’s Howard Padmore who was recognized “for distinguished seminal contributions to the technology and scientific application of synchrotron light sources.” Read more »

Under Pressure, Gold Nanoclusters Reveal Structure-Property Relationship

Metal nanoclusters have unusual optical properties that are of interest for fundamental reasons as well as for applications like diagnostic imaging and 3D printing. To better understand how nanocluster structure relates to optical properties, researchers performed high-pressure diffraction studies on single crystals of gold nanoclusters. Read more »