Rootilit increases the yield while preserving the crop quality

Smashing silicon to make lithium batteries

Scientists improved the ability of a bacterial enzyme to degrade plastic waste

An ultralight aerogel made from recycled plastic bottles could be used for fire safety equipment

Scientists at the National University of Singapore (NUS) have developed the world’s first aerogel made from recycled plastics. Constructed from old soft-drink bottles, the aerogel could find useful applications in everything from soundproofing to oil spills, and could also be a novel way to combat the global plastic waste epidemic. Developed by a team from NUS Engineering led by Assoc Prof Hai Minh Duong and Prof Nhan Phan-Thien, the aerogel is made from the most recycled plastic in the world - polyethylene terephthalate (PET). Like all aerogels, it is an ultralight and porous solid, but being made from plastic also gives it the advantage of being soft, flexible and very durable.

21 days ago

New synthetic method for water-stable solar cells

To stabilize all-inorganic perovskites and hybrid perovskites, several metal oxides such as SiO2, Al2O3, and Ta2O5 have been used to coat these materials. But these methods fail to give long-term stability. For commercialization of any devices, it should be noted that the devices should be stable upto few years. At present, there are no methods that can stabilize the perovskite for more than one year in neutral water. However, scientists at the Ulsan National Institute of Science and Technology (UNIST) developed an easy, facile, and cost-effective synthetic method, capable of stabilizing perovskites without the addition of foreign coating materials in aqueous media. The research team envisions that their new synthetic approach will open up a new research area for perovskite materials.

21 days ago

A new method to effectively turning light into electricity

Crystals are configurations of atoms, molecules or ions, that are ordered in a structure that repeats itself in all directions. People have all encountered some crystals in everyday life: ordinary salt, diamond and even snowflakes are examples. What is perhaps less well-known is that certain crystals show very interesting properties when their size is not that of everyday life but that of nanometers – a few billionths of a meter. There, people enter the world of nanocrystals, structures that have shown to be extremely useful in constructing technological applications at tiny scales. Perovskites form a group of crystals that have many promising properties for applications in nanotechnology. However, one useful property that so far was unobserved in perovskites is so-called carrier multiplication - an effect that makes materials much more efficient in converting light into electricity. New research performed in collaboration between the University of Amsterdam (UA) and Osaka University (OU) and led by prof. Tom Gregorkiewicz (UA, OU) and prof. Yasufumi Fujiwara (OU), has now shown that certain perovskites, in fact, do have this desirable property.

21 days ago

The Next Generation of waste treatment and biogas production

Lean Electrolyte Design is a Game-Changer for Magnesium Batteries

A new approach for bioactivity evaluation of foods and chemical combinations

Overall solutions for greenhouses and warehouses in various climate conditions

Agam develops and produces innovative, energy-conserving and environmentally friendly cooling, heating and dehumidification systems. Agam's solutions serve the needs of both the industrial and the agricultural sectors, including greenhouses, indoor cultivation and seed and grain warehouses. Based on patented heat - exchange technology, Agam's products are highly cost-effective and field proven saving between 40% and 70% of energy expenses. The company has a scientific background since the company's team includes Ph.D. physicist who specializes in energy and thermodynamics. Dr. Assaf held the position of senior scientist at the Weizmann Institute.

21 days ago

Building better batteries by borrowing from biology

Rechargeable lithium-ion batteries are widely used in laptops, cell phones, and even electric and hybrid cars. Unfortunately, these batteries are expensive and have even been known to burst into flames on occasion. A research team at Osaka University has reported a new advance in the design of materials for use in rechargeable batteries, under high humidity conditions. Using inspiration from living cells that can block smaller particles but let larger particles pass through, the researchers were able to create a material with highly mobile potassium ions that can easily migrate in response to electric fields. This work may help make rechargeable batteries safe and inexpensive enough to drastically reduce the cost of electric cars and portable consumer electronics.

22 days ago

A novel material that can effectively convert heat into electricity

A group of researchers led by Associate Professor Kurosaki Ken at the Graduate School of Engineering, Osaka University, in cooperation with Hitachi Ltd., discovered silicon ytterbium germanium (YbSiGe), a new material that exhibits a higher thermoelectric power factor in the temperature range from room temperature to around 100℃. The researchers' team attempted to improve the power factor of YbSi2 by substituting Silicon (Si) with Germanium (Ge), significantly optimizing the power factor of YbSiGe when the Si/Ge ratio in YbSiGe was 1:2. This will lead to the practical use of TE technology to effectively utilize energy by changing low-grade energy abundant in the environment into high-grade energy. The research was funded by part of a grant for the project 'Scientific Innovation for Energy Harvesting Technology,' under the Strategic Basic Research Programs (CREST) of the Japan Science and Technology Agency (JST).

22 days ago

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