Sustainable alternatives to rare metals are needed as the demand for batteries increases.
Category: sustainability – Page 25
Dive into the fascinating world of the Cori Cycle, also known as the lactic acid cycle! đïžââïžđĄ In this video, weâll explore how your body manages energy during intense exercise by recycling lactate from muscles back into glucose in the liver.
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In a pioneering approach to achieve fusion energy, the SMART device has successfully generated its first tokamak plasma. This step brings the international fusion community closer to achieving sustainable, clean, and virtually limitless energy through controlled fusion reactions.
The work is published in the journal Nuclear Fusion.
The SMART tokamak, a state-of-the-art experimental fusion device designed, constructed and operated by the Plasma Science and Fusion Technology Laboratory of the University of Seville, is a unique spherical tokamak due to its flexible shaping capabilities. SMART has been designed to demonstrate the unique physics and engineering properties of Negative Triangularity shaped plasmas towards compact fusion power plants based on Spherical Tokamaks.
University of Missouri scientists are unlocking the secrets of halide perovskitesâa material thatâs poised to reshape our future by bringing us closer to a new age of energy-efficient optoelectronics.
Suchi Guha and Gavin King, two physics professors in Mizzouâs College of Arts and Science, are studying the material at the nanoscale: a place where objects are invisible to the naked eye. At this level, the extraordinary properties of halide perovskites come to life, thanks to the materialâs unique structure of ultra-thin crystalsâmaking it astonishingly efficient at converting sunlight into energy.
Think solar panels that are not only more affordable but also far more effective at powering homes. Or LED lights that burn brighter and last longer while consuming less energy.
Researchers have discovered a new material called chalcogenide perovskite that could revolutionize solar cells.
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Energy is one of the most important elements to any functioning society, and since our modern era of living uses so much power, the industry is always looking to evolve towards newer and more efficient solutions. Furthermore, given the environmental damage that often comes with many of our modern energy generation practices, people have been thinking outside the box to come up with ideas that are harmonious with mother nature.
Solar panel technology has been around for decades, but there are a few main issues with it. First off, you often need sunlight for it to produce enough on demand and stored energy for daily life. There are many areas in the world where that can be an issue in certain seasons. Secondly, during the night energy canât be gathered so youâre always dealing with a limited time period where you can generate power for the moment or future use. This prompted inventors to imagine a new âanti-solar panelâ that is designed to work both during the day and at night.
Typical solar panels work by gathering visible light from the sun and converting it to usable electricity. This energy can be used as itâs created, or it can be stored into battery cells to be used at a later time. That is to say, it might be a sunny day, you and your family are at work so little power is needed at home. When you return home and you need power, batteries hooked up to your solar panel had been storing the energy collected from the sun during the day, so itâs ready for you to use once you need it even if the sun isnât out.
Swiss researchers claim to have devised a functional living battery powered by the combined efforts of two types of fungi â all in a biodegradable, non-toxic 3D-printed package. Iâll give you a second to wrap your head around that outrageous statement before diving into the details.
Thatâs from a team at Swiss Federal Laboratories for Materials Science and Technology (EMPA), a DĂŒbendorf-based research institute whose innovations have found their way into Omega watches, quick-drying sports bras, and top British soccer team Arsenalâs artificial turf.
While weâve seen work on bacteria-powered batteries before, the researchers note this is the first time two types of fungi have been brought together to create a working fuel cell. And to be clear, this is indeed more of a fuel cell than a battery, as itâs utilizing the fungal metabolism to convert nutrients from microbes into energy.
A kind of umbilical cord between different quantum states can be found in some materials. Researchers at TU Wien have now shown that this âumbilical cordâ is generic to many materials.
It is a basic principle of quantum theory: sometimes certain physical quantities can only assume very specific values; all the values in between are simply not permitted by physics. This fact plays a decisive role in the behavior of materials. Certain energy ranges are possible for the electrons of the material, while others are not. Among other things, this explains the difference between electrically conductive metals and non-conductive insulators.
Sometimes, however, surprising connections can arise between permitted ranges, through which electrons can switch from one range to the other. One such unusual transition region was discovered in 2007 in certain copper-containing materials, known as cuprates.
Researchers at the John Innes Centre have identified a biological mechanism that helps plant roots create a more hospitable environment for beneficial soil microbes. This breakthrough has the potential to promote more sustainable farming practices by reducing the need for synthetic fertilizers.
Most major crops currently rely on nitrate and phosphate fertilizers, but excessive fertilizer use can have harmful environmental consequences. By leveraging the natural, mutually beneficial relationships between plant roots and soil microbes to improve nutrient uptake, it may be possible to significantly cut down on the use of inorganic fertilizers.
Researchers in the group of Dr Myriam Charpentier discovered a mutation in a gene in the legume Medicago truncatula that reprogrammes the signaling capacity of the plant so that it enhances partnerships with nitrogen fixing bacteria called rhizobia and arbuscular mycorrhiza fungi (AMF) which supply roots with phosphorus.
A new tapered flow channel design for electrodes improves the efficiency of battery-based seawater desalination, potentially reducing energy use compared to reverse osmosis. This breakthrough may benefit other electrochemical devices, but manufacturing challenges need to be addressed.
Engineers have developed a solution to eliminate fluid flow âdead zonesâ in electrodes used for battery-based seawater desalination. This breakthrough involves a physics-driven tapered flow channel design within the electrodes, enabling faster and more efficient fluid movement. This design has the potential to consume less energy compared to conventional reverse osmosis techniques.
Desalination technology has faced significant challenges preventing widespread adoption. The most common method, reverse osmosis, filters salt from water by forcing it through a membrane, which is both energy-intensive and expensive. In contrast, the battery desalination method uses electricity to remove charged salt ions from the water. However, this approach also requires energy to push water through electrodes with tiny, irregular pore spaces, which has been a limiting factorâuntil now.