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“High-Occupancy” Vehicle (HOV) Battery08.17.16Science Highlight

“High-Occupancy” Vehicle (HOV) Battery

Towards higher energy density batteries: singly charged lithium ions replaced by doubly charged magnesium ions.

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X-rays can characterize the motion of atomic-scale defects (for example, dislocations) relative to the morphology of a nanoparticle in the electrode of an operating lithium-ion battery. The dislocations are extra planes of atoms inserted into the atomic lattice.12.14.15Science Highlight

Tracking Hidden Imperfections Inside Operating Lithium-ion Batteries

Penetrating x-rays can image defects and phase changes during battery charging and discharging. Read More »

In an iron-based superconductor, model patterns of electron spins show two competing liquid-like magnetic phases. (Positive spins correspond with yellow and red, while negative spins are green and black.)12.14.15Science Highlight

Magnetic Dance at the Threshold of Superconductivity

Near the onset of superconductivity, continuous exchange of electrons occurs between distinct, liquid-like magnetic phases in an iron-based superconductor. Read More »

Atomic structure of the adsorbed carbon dioxide (grey sphere bonded to two red spheres) inserted between the manganese (green sphere) and amine (blue sphere) groups within the novel metal-organic framework, forming a linear chain of ammonium carbamate (top).07.01.15Science Highlight

Cooperative Carbon Capture by a Novel Material that Mimics a Plant Enzyme

Innovative materials adsorb carbon dioxide via an unprecedented cooperative insertion mechanism. Read More »

A proton (marked in yellow) is initially attached to a water molecule above the layer of carbon (grey) in graphene.07.01.15Science Highlight

The World’s Thinnest Proton Channel

Atomic-scale defects in graphene are shown to selectively allow protons to pass through a barrier that is just one carbon atom thick. Read More »

Gallium arsenide nanowire arrays grown on a silicon substrate are studied using photoelectrochemistry.05.01.15Science Highlight

Stacking Semiconductors for Artificial Photosynthesis

Nanowire-based design incorporates two semiconductors to enhance absorption of light. Read More »

Complete nanobatteries are formed in each nanopore of a dense nanopore array (2 billion per square centimeter).04.01.15Science Highlight

Precision Nanobatteries by the Billions

Tiny batteries made in nanopores manage ions and electrons for high power and extended life. Read More »

Map of carbon dioxide dissolution across the Bravo Dome gas field.04.01.15Science Highlight

Carbon Sequestration in New Mexico’s Bravo Dome

Study of natural reservoir provides new clues for the long-term viability of geological carbon dioxide storage. Read More »

Rendering of carbon nanothreads as suggested by characterization techniques.04.01.15Science Highlight

Carbon Nanothreads from Compressed Benzene

One-dimensional material has a diamond-like building block. Read More »

Top view (left) and side view (right), illustrating the porous and layered structure of a highly conductive powder (Ni3(HITP)2), precursor to a new, tunable graphene analog.02.01.15Science Highlight

Towards a Tunable Graphene-like Two-Dimensional Material

Researchers have created a porous, layered material that can serve as a graphene analog, and which may be a tool for storing energy and investigating the physics of unusual materials. Read More »

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