Engineering
A widely-used gas that is currently produced from fossil fuels can instead be made by an 'artificial leaf' that uses only sunlight, carbon dioxide and water, and which could eventually be used to develop a sustainable liquid ...
Oct 21, 2019
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9249
Energy & Green Tech
The energy density of supercapacitors—battery-like devices that can charge in seconds or a few minutes—can be improved by increasing the 'messiness' of their internal structure.
Apr 18, 2024
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47
Energy & Green Tech
In an era where the quest for sustainable energy sources has become paramount, researchers are tirelessly exploring innovative avenues to enhance fuel production processes. One of the most important tools in converting chemical ...
Apr 3, 2024
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63
Energy & Green Tech
Lithium-sulfur batteries can potentially store five to 10 times more energy than current state-of-the-art lithium-ion batteries at much lower cost. Current lithium-ion batteries use cobalt oxide as the cathode, an expensive ...
Feb 6, 2024
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115
Energy & Green Tech
On a mission to build better electric vehicle batteries, chemists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory have used an electrolyte additive to improve the functionality of energy-dense lithium ...
Jan 26, 2024
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80
Electronics & Semiconductors
A research team consisting of NIMS, the University of Tokyo and the Tokyo University of Science has developed the world's first technique capable of precisely doping an organic semiconductor in an aqueous solution without ...
Jan 12, 2024
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15
Engineering
MIT researchers have used 3D printing to produce self-heating microfluidic devices, demonstrating a technique which could someday be used to rapidly create cheap, yet accurate, tools to detect a host of diseases.
Dec 11, 2023
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66
Robotics
Researchers at the Beckman Institute for Advanced Science and Technology have developed an automated laboratory robot to run complex electrochemical experiments and analyze data.
Nov 6, 2023
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64
Engineering
It already works: there are several approaches to using solar energy to split water and produce hydrogen. Unfortunately, this "green" hydrogen has so far been more expensive than "gray" hydrogen from natural gas.
Oct 5, 2023
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93
Engineering
Water could play a crucial role in reducing global carbon dioxide (CO2) emissions, according to Johns Hopkins engineers.
Sep 5, 2023
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A chemical reaction is a process that always results in the interconversion of chemical substances. The substance or substances initially involved in a chemical reaction are called reactants. Chemical reactions are usually characterized by a chemical change, and they yield one or more products, which usually have properties different from the reactants. Classically, chemical reactions encompass changes that strictly involve the motion of electrons in the forming and breaking of chemical bonds, although the general concept of a chemical reaction, in particular the notion of a chemical equation, is applicable to transformations of elementary particles, as well as nuclear reactions. Different chemical reactions are used in combination in chemical synthesis in order to get a desired product. In biochemistry, series of chemical reactions catalyzed by enzymes form metabolic pathways, by which syntheses and decompositions ordinarily impossible in conditions within a cell are performed.
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