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Sulphuric battery electric vehicle of the future
Fiction | Sulphuric battery electric vehicle of the future
Until then just not smart enough chemists! It turns out that the usual sulfur can form the basis for a new generation of batteries. Finally, electric cars will enter the reality of cities. In short: in the South Korean-US research project, scientists from the University of Arizona, Tucson, explore a new chemical process, in which the sulfur-based plastic to create a light that can be used in batteries for electric vehicles. Maybe even yaytsemobili soon will acquire sulfur battery?
Scientists are looking for new ways to extract precious energy and bring it to the appliance. Even of sports records mankind learns to extract electricity.
News of a new material for the manufacture of batteries shared with the press lead researcher Associate Professor Jeffrey Pyun (Jeffrey Pyun). If the efforts of chemists succeed, the new generation of batteries will be lithium-sulfur (Li-S). These batteries are lighter, cheaper and more energy efficient than those used in electric vehicles today. In the case of the introduction of the developed technology, it may find application not only in electric machines but also in combination with the fuel.
As is known, batteries are generally the weakest link in modern technology. This is especially true of electric vehicles. Modern batteries can store enough energy. They are too expensive and too heavy. All this slows down the spread of electric vehicles.
Meanwhile, electricity plays a larger and larger role in our civilization. Work on electricity TVs, it powered smartphones and tablets, the scientists believe that even the flowers the bees send electrical signals. A car needs a battery of expensive and not too heavy material. Maybe it will be sulfur, which abound on the planet?
In those industrial processes in which sulfur is used, often remain excess of the substance. He does not know where and to put. So, the problems with material for new sources of supply are not expected. Currently, researchers have applied for an international patent for the process they discovered the chemical and materials for the production of polymer electrodes to be used in lithium-sulfur batteries.
Use the sulfur is not so simple. It is easy to make stable form long molecular chains (also known as polymers). But Associate Professor Pyun and his colleagues compiled a list of two dozen chemicals. Scientists have consistently test them and see which ones make better “polymerize” sulfur.
But clapping and getting excited too early. Yes, the first experiment is successful, but ahead of painstaking work on “bringing to mind” the new technology. Scientists will try other chemicals from a list drawn up by them.
Now a new chemical process for the simple name of “reverse vulcanization,” because it uses mainly sulfur and a small amount of additive. As is well known, is the process of curing, which makes the rubber more durable. In conventional sulfur vulcanization is used in small amounts as additives to rubber.
According to Associate Professor Pyun, a new type of plastic is more suitable for batteries than conventional sulfur. Battery cathodes are made from conventional sulfur, can withstand only a very limited number of charge cycles and then become useless.
The new plastic has a more successful properties than pure sulfur, which is currently used in lithium-sulfur batteries. At least, so says a report compiled by researchers. The new material has a capacity of 823 milliamp hours per gram, capable of lasting for hundreds of charge cycles.
Already at the stage of the study, a number of companies have shown interest in the new plastic and batteries so that you can make of it. The next step of the research team will compare the properties of the new plastic and plastic materials that are currently used in the manufacture of batteries.
According to the materials esciencenews.com
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Tags: Battery , Electric , Electric .
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