Scientists on the edge of revolutionary discovery: Battery for a phone charging just a few seconds?



Most users of smartphones after

several months of use face the same problem – more and more frequent access to the charger. However, scientists from the University of Central Florida are getting closer to an incredible discovery. The team of scientists developed a new process for the production of flexible super capacitors that store more energy and can be filled more than 30,000 times without any significant damage.

The new method of the university center for technology and nanoscience could be revolutionary in the technological sense both for mobile phones and for electric vehicles. Scientists say that if batteries were replaced with these super condensers, you could charge a cell phone for a few seconds and you would not need a charger for more than a week. All smartphones will recognize this problem: After approximately 18 months, the battery function starts to decline and you will need to charge more and more often. Scientists have analyzed the use of nanomaterials in order to improve supercapacitors, which on the other hand could improve them, and even replace batteries in electrical devices. It’s a little inconvenient, because a supercapacitor that would keep as much energy as a lithium-ion battery should be much, much larger.

“There is a problem in how people embed these two-dimensional materials in existing systems – it’s a bottleneck in this area. We have developed a simple approach to chemical synthesis, so that we can integrate the existing materials nicely with two-dimensional, “says Professor Yongwung Jung.

His team has developed super condensers composed of one million nanometer wires that are coated with two-dimensional material. The high conductivity core allows rapid transmission of electrons for fast charging and discharging, and evenly coated covers with two-dimensional materials are a high energy transfer and density power. Scientists already knew that the two-dimensional materials had great potential in the application of energy storage, but until the process for integrating these materials was developed, there was no way that that potential could be realized.

“For small electronic devices, our materials exceed those conventional in terms of energy density, power and cyclical stability,” said Nitin Choudhary.

Cyclic stability defines how many times the battery can be filled and emptied before it loses its function. For example, a lithium-ion battery can charge less than 1,500 times before it is significantly damaged. The last created super capacitors with two-dimensional materials can be filled several thousand times. Supercondensers using new materials could be used on phones and other electronic devices, as well as electric vehicles, which could bring benefits in terms of speed and power. Because they are flexible, they could also contribute to significant advances in technology.

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