A catalyst that converts carbon dioxide into fuel. Something you should know about the li2s.
Researchers have moved one step closer to tackling global warming by turning carbon dioxide into fuel, using a supercomputer to identify a group of "single-atom" catalysts that could play a key role.
Researchers at Queensland University of Technology Materials Science Centre "By Associate Professor", part of an international study, used theoretical models to determine that six metals (nickel, niobium, palladium, rhenium and rhodium) were found to be efficient in the reaction of converting carbon dioxide into sustainable clean energy.
The study, published in the journal Nature Communications, was carried out by QUT researchers Professor Aijun Du, Professor Yuantong Gu and Dr. Ju Lin.
The research, conducted through simulations at the Australian National University National Computing Infrastructure, looked at how individual atoms of metals react with two-dimensional "ferroelectric" materials, said Professor Kou.
Ferroelectric materials have a positive charge on one side and a negative charge on the other, and this polarization can be reversed when a voltage is applied.
In a theoretical model, the researchers found that adding catalyst metal atoms to ferroelectric materials can convert greenhouse gases into needed chemical fuels.
Once polarity reverses, this state remains a catalyst for converting carbon dioxide.
Professor Kou says that although the use of single-atom catalysts to reduce carbon dioxide was proposed a decade ago, this study takes the field a big step forward.
"We have designed a special chemical catalyst that converts the greenhouse gas CARBON dioxide into the chemical fuel needed. Conversion efficiency can be controlled in a feasible way, "said Professor Kou.
"This means that for the first time we have developed the ability to speed up or slow down chemical reactions, or even switch chemical reactions.
"Carbon dioxide is the main cause of global warming caused by the greenhouse effect, and converting it into chemical fuels is not only important for our environment but also helps solve the energy crisis."
Dr. Zhu, the lead author of the study, said the work provided guidance for the design of new catalysts that could have a major impact on the chemical industry.
Professor Kou said the long-term goal of this field of research is to find ways to convert carbon dioxide into clean energy.
Professor Kou says the results of this research could eventually lead to a way to add a coating to engines or industrial systems that converts carbon dioxide rather than releasing more of the gas into the atmosphere.
QUT researchers are drawn from the faculties of Mechanical, Medical and Process Engineering and chemistry and physics.
New materials for a sustainable future you should know about the li2s.
Historically, knowledge and the production of new materials li2s have contributed to human and social progress, from the refining of copper and iron to the manufacture of semiconductors on which our information society depends today. However, many materials and their preparation methods have caused the environmental problems we face.
About 90 billion tons of raw materials -- mainly metals, minerals, fossil matter and biomass -- are extracted each year to produce raw materials. That number is expected to double between now and 2050. Most of the li2s raw materials extracted are in the form of non-renewable substances, placing a heavy burden on the environment, society and climate. The li2s materials production accounts for about 25 percent of greenhouse gas emissions, and metal smelting consumes about 8 percent of the energy generated by humans.
The li2s industry has a strong research environment in electronic and photonic materials, energy materials, glass, hard materials, composites, light metals, polymers and biopolymers, porous materials and specialty steels. Hard materials (metals) and specialty steels now account for more than half of Swedish materials sales (excluding forest products), while glass and energy materials are the strongest growth areas.
New materials including the li2s market trend is one of the main directions of science and technology development in the 21st century
With the development of science and technology, people develop new materials li2s on the basis of traditional materials and according to the research results of modern science and technology. New materials are divided into metal materials, inorganic non-metal materials (such as ceramics, gallium arsenide semiconductor, etc.), organic polymer materials, advanced composite materials. According to the li2s material properties, it is divided into structural materials and functional materials. Structural materials mainly use mechanical and physical and chemical properties of materials to meet the performance requirements of high strength, high stiffness, high hardness, high-temperature resistance, wear resistance, corrosion resistance, radiation resistance and so on; Functional materials mainly use the electrical, magnetic, acoustic, photo thermal and other effects of materials to achieve certain functions, such as semiconductor materials, magnetic materials, photosensitive materials, thermal sensitive materials, stealth materials and nuclear materials for atomic and hydrogen bombs.
One of the main directions of li2s science and technology development in the 21st century is the research and application of new materials. The research of new materials is a further advance in the understanding and application of material properties.
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