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192 Current news from korea, republic of (south korea)rss
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Scientists develop high performing electrocatalyst to synthesize ammonia in an effort to replace conventional eco-unfriendly methods
Ammonia (NH3) is among the most important chemicals produced by humans and has a promising future in sustainable energy applications besides being used in fertilizer production. Unfortunately, so far, the only realistic way that exists to produce ammonia at an industrial scale is through the ...
Research team reveals the phase transition and metal ex-solution phenomena to increase the catalytic activity
Fuel cells, which are attracting attention as an eco-friendly energy source, obtain electricity and heat simultaneously through the reverse reaction of water electrolysis. Therefore, the catalyst that enhances the reaction efficiency is directly connected to the performance of the fuel cell. To ...
Scientists combine materials with contrasting properties using a unique method to design a robust and high-performance fuel cell membrane for hydrogen production
A considerable portion of the efforts to realize a sustainable world has gone into developing hydrogen fuel cells so that a hydrogen economy can be achieved. Fuel cells have distinctive advantages: high energy-conversion efficiencies (up to 70%) and a clean by-product, water. In the past decade, ...
Doping carbon anode material with different atoms increases the performance of sodium-ion batteries
As the world becomes aware of the imminent environmental crisis, scientists have begun a search for sustainable energy sources. Rechargeable batteries like lithium-ion batteries are seeing a popularity surge, concurrent with production of "greener" technologies such as electric propulsion ships ...
Options for chemical plastic recycling
Degradable, bio-based polymers offer options for chemical recycling, and they can be a tool to store and release useful molecules. Scientists have developed a class of sugar-based polymers that are degradable through acid hydrolysis. The researchers also integrated “cargo” molecules in the ...
Scientists develop hydrogen sensors with holey zinc oxide "nanosheets" to prevent accidents from hydrogen gas leaks
In recent years, hydrogen (H2) has emerged as the best option for clean energy in our pursuit of an alternative fuel for mitigating environmental problems such as global warming. Hailed as "batteries of the future," H2 fuel cells are touted as the fuel for the future generation. While this is all ...
Waters Corporation has formally expanded its long-standing, collaborative relationship with Dr. Sunghwan Kim of Kyungpook National University to further explore the use of Waters’ cutting-edge ion mobility spectrometry (IMS) in the investigation of compounds in complex mixtures. Identifying ...
Development of a microorganism that doubles the yield of biodiesel precursor production using genetic scissors and based on the principles of evolution
Automobile exhaust emitted by fossil-fuel-based vehicles, especially those operating on diesel, is known to be a major source of fine dust and greenhouse gases. Using biodiesel instead of diesel is an effective way of coping with climate change caused by greenhouse gases while reducing fine dust ...
An extensive internal void enables a secure encapsulation, delivery, and storage of guest molecules as large as 4 nanometers
Famous Catalan architect Antoni Gaudí once said, "Anything created by human beings is already in the great book of nature." Among different man-made architectures and art, spherical structures and shapes have been the most fantastical geometrical form that fascinated the figments of the human ...
Scientists design novel transparent solar cells using thin silicon films, with efficient power generation
Today, the imminent climate change crisis demands a shift from conventionally used fossil fuels to efficient sources of green energy. This has led to researchers looking into the concept of "personalized energy," which would make on-site energy generation possible. For example, solar cells could ...