Energy & Green Tech
Lithium metal batteries have numerous notable advantages over other existing battery systems, including high energy density. Nonetheless, the use of most existing high-energy lithium metal batteries in extreme environments ...
Energy & Green Tech
Ternary organic solar cells, in which the photoactive layer is made of three different organic materials, have been found to achieve highly promising power conversion efficiencies (PCEs). While these ternary organic solar ...
Energy & Green Tech
Lithium-ion batteries (LiBs), rechargeable batteries that store energy by leveraging the reversible reduction of Li ions, remain among the most widely used battery technologies worldwide. These batteries power a wide range ...
Robotics
Bumblebees are clumsy fliers. It is estimated that a foraging bee bumps into a flower about once per second, which damages its wings over time. Yet despite having many tiny rips or holes in their wings, bumblebees can still ...
Mar 15, 2023
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Energy & Green Tech
In recent years, researchers have been trying to develop increasingly efficient and advanced solar technologies. One way of increasing the efficiency of solar cells is to reduce energy losses (i.e., voltage losses) caused ...
Electronics & Semiconductors
Silicon integrated circuits, which are used in computer processors, are approaching the maximum feasible density of transistors on a single chip—at least, in two-dimensional arrays.
Nov 19, 2019
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Robotics
In the basement of the Engineering Center at the University of Colorado Boulder, a group of researchers is working to create the next generation of robots. Instead of the metallic droids you may be imagining, they are developing ...
Jan 4, 2018
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Engineering
Most people do not give the U.S. electric grid a second thought—we flip a switch, and the lights come on. Behind the scenes are thousands of power plants and utilities linked by millions of miles of transmission lines. ...
Apr 16, 2024
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Hardware
Mass spectrometry, a technique that can precisely identify the chemical components of a sample, could be used to monitor the health of people who suffer from chronic illnesses. For instance, a mass spectrometer can measure ...
Apr 4, 2024
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Energy & Green Tech
A research team led by Professor Lee Ju-hyuck of DGIST in the Department of Energy Science & Engineering has successfully developed an energy harvesting device that enhances solar energy efficiency by removing and preventing ...
Mar 29, 2024
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