Proof-of-concept nanogenerator turns CO₂ into sustainable power
University of Queensland researchers have built a generator that absorbs carbon dioxide (CO2) to make electricity.
Apr 18, 2024
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149
Electronics & Semiconductors
University of Queensland researchers have built a generator that absorbs carbon dioxide (CO2) to make electricity.
Apr 18, 2024
2
149
Business
While the world would love to have a quick fix, there is no one specific pathway to stop or slow the rate of climate change.
Apr 16, 2024
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Energy & Green Tech
A new DECHEMA report "Carbon for Power-to-X—Suitable CO2 sources and integration in PtX value chains" deals with possibilities of capturing and utilizing carbon dioxide for sustainable production routes. Carbon dioxide ...
Apr 15, 2024
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Energy & Green Tech
In a glimmer of progress for the daunting task of reducing air travel's climate impact, a newly built plant in rural Georgia is expected to begin pumping out the world's first commercial quantities of a new type of cleaner ...
Apr 15, 2024
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Energy & Green Tech
It's a major contributor to climate change—the way buildings and roads are made with concrete. It's also a problem that's growing as more of the world develops. So the race has been on to find solutions for a material that's ...
Apr 12, 2024
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Automotive
British luxury carmaker Aston Martin Lagonda will continue to produce traditional combustion-engine vehicles for as long as legally possible, its boss told UK media this week.
Apr 11, 2024
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Business
A new study highlights the potential for Texas to become a global leader in the development of a robust hydrogen economy.
Apr 5, 2024
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Energy & Green Tech
The backbone of every community, transportation connects people to everything from jobs and grocery stores to health care, vital services and social events.
Apr 3, 2024
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Energy & Green Tech
For more than two millennia, paper has been a staple of human civilization. But these days, the use of paper is not limited to writing. It is also playing a pivotal role in ushering in a greener future.
Apr 3, 2024
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35
Electronics & Semiconductors
Researchers in the UNC-Chapel Hill Chemistry Department are using semiconductors to harvest and convert the sun's energy into high-energy compounds that have the potential to produce environmentally friendly fuels.
Apr 2, 2024
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Carbon (pronounced /ˈkɑrbən/) is the chemical element with symbol C and atomic number 6. As a member of group 14 on the periodic table, it is nonmetallic and tetravalent—making four electrons available to form covalent chemical bonds. There are three naturally occurring isotopes, with 12C and 13C being stable, while 14C is radioactive, decaying with a half-life of about 5730 years. Carbon is one of the few elements known since antiquity. The name "carbon" comes from Latin language carbo, coal, and, in some Romance and Slavic languages, the word carbon can refer both to the element and to coal.
There are several allotropes of carbon of which the best known are graphite, diamond, and amorphous carbon. The physical properties of carbon vary widely with the allotropic form. For example, diamond is highly transparent, while graphite is opaque and black. Diamond is among the hardest materials known, while graphite is soft enough to form a streak on paper (hence its name, from the Greek word "to write"). Diamond has a very low electrical conductivity, while graphite is a very good conductor. Under normal conditions, diamond has the highest thermal conductivity of all known materials. All the allotropic forms are solids under normal conditions but graphite is the most thermodynamically stable.
All forms of carbon are highly stable, requiring high temperature to react even with oxygen. The most common oxidation state of carbon in inorganic compounds is +4, while +2 is found in carbon monoxide and other transition metal carbonyl complexes. The largest sources of inorganic carbon are limestones, dolomites and carbon dioxide, but significant quantities occur in organic deposits of coal, peat, oil and methane clathrates. Carbon forms more compounds than any other element, with almost ten million pure organic compounds described to date, which in turn are a tiny fraction of such compounds that are theoretically possible under standard conditions.
Carbon is one of the least abundant elements in the Earth's crust, but the fourth most abundant element in the universe by mass after hydrogen, helium, and oxygen. It is present in all known lifeforms, and in the human body carbon is the second most abundant element by mass (about 18.5%) after oxygen. This abundance, together with the unique diversity of organic compounds and their unusual polymer-forming ability at the temperatures commonly encountered on Earth, make this element the chemical basis of all known life.
This text uses material from Wikipedia, licensed under CC BY-SA