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A High-Energy Density And Long-Life Initial-Anode-Free Lithium Battery by Ingrid Fadelli

Lithium-metal batteries (LMBs), an emerging type of rechargeable lithium-based batteries made of solid-state metal instead of lithium-ions, are among the most promising high-energy-density rechargeable battery technologies. Although they have some advantageous characteristics, these batteries have several limitations, including a poor energy density and safety-related issues. In recent years, researchers have tried to overcome these limitations […]

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Making Clean Hydrogen Is Hard, But Researchers Just Solved A Major Hurdle by University of Texas at Austin

For decades, researchers around the world have searched for ways to use solar power to generate the key reaction for producing hydrogen as a clean energy source—splitting water molecules to form hydrogen and oxygen. However, such efforts have mostly failed because doing it well was too costly, and trying to do it at a low […]

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Researchers Discover A New Inorganic Material With Lowest Thermal Conductivity Ever Reported by University of Liverpool

This new material, with two combined arrangements, has a much lower thermal conductivity than either of the parent materials with just one arrangement. This unexpected result shows the synergic effect of the chemical control of atomic locations in the structure, and is the reason why the properties of the whole structure are superior to those […]

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Novel Heat-Management Material Keeps Computers Running Cool by University of California, Los Angeles

UCLA engineers have demonstrated successful integration of a novel semiconductor material into high-power computer chips to reduce heat on processors and improve their performance. The advance greatly increases energy efficiency in computers and enables heat removal beyond the best thermal-management devices currently available. The research was led by Yongjie Hu, an associate professor of mechanical […]

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7 Inventions Of Nikola Tesla, Without Which The World Would Be Completely Different by Michael Walsh

165 years ago, on July 10, 1856, the Serbian-American engineer and inventor Nikola Tesla was born. The genius scientist has more than 700 inventions and patents. Some of his ideas changed the world, while others anticipated the inventions of the future. In our selection – about the most important of them. https://europerenaissance.com/2021/07/10/7-inventions-of-nikola-tesla-without-which-the-world-would-be-completely-different

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Not Graphene: Researchers Discover New Type Of Atomically Thin Carbon Material by Aalto University

Carbon exists in various forms. In addition to diamond and graphite, there are recently discovered forms with astonishing properties. For example graphene, with a thickness of just one atomic layer, is the thinnest known material, and its unusual properties make it an extremely exciting candidate for applications like future electronics and high-tech engineering. In graphene, […]

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First Nanoscale Look At A Reaction That Limits The Efficiency Of Generating Clean Hydrogen Fuel by Glennda Chu

Transitioning from fossil fuels to a clean hydrogen economy will require cheaper and more efficient ways to use renewable sources of electricity to break water into hydrogen and oxygen. But a key step in that process, known as the oxygen evolution reaction or OER, has proven to be a bottleneck. Today it’s only about 75% […]

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A New Strategy To Enhance The Performance Of Silicon Heterojunction Solar Cells by Ingrid Fadelli

Crystalline silicon (c-Si) solar cells are among the most promising solar technologies on the market. These solar cells have numerous advantageous properties, including a nearly optimum bandgap, high efficiency and stability. Notably, they can also be fabricated using raw materials that are widely available and easy to attain. In recent years, many companies and engineers […]

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Researchers Improve Efficiency Of Next-Generation Solar Cell Material by David L. Chandler

Perovskites are a leading candidate for eventually replacing silicon as the material of choice for solar panels. They offer the potential for low-cost, low-temperature manufacturing of ultrathin, lightweight flexible cells, but so far their efficiency at converting sunlight to electricity has lagged behind that of silicon and some other alternatives. Now, a new approach to […]

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Researchers Create Entangled Photons 100 Times More Efficiently Than Previously Possible by Stevens Institute of Technology

Super-fast quantum computers and communication devices could revolutionize countless aspects of our lives—but first, researchers need a fast, efficient source of the entangled pairs of photons such systems use to transmit and manipulate information. Researchers at Stevens Institute of Technology have done just that, not only creating a chip-based photon source 100 times more efficient […]

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The First Room-Temperature Superconductor Has Finally Been Found by Emily Conover

The compound conducts electricity without resistance up to 15° C, but only under high pressure. Dias and colleagues formed the superconductor by squeezing carbon, hydrogen and sulfur between the tips of two diamonds and hitting the material with laser light to induce chemical reactions. At a pressure about 2.6 million times that of Earth’s atmosphere, […]