Why is a new type of electron shielding for solar cells so effective?
Posted by TechCrunch on January 22, 2018 09:09:17The future of solar cells is very bright, but it’s still far from clear how to harness this technology to make them more efficient, cheaper and more efficient at producing energy.
A new type, a type of high-temperature superconducting electron shield, has been proposed by a team of researchers.
This shielding, made up of a number of high voltage superconductors, has the potential to be used in solar cells for energy storage, energy conversion and for applications like energy storage and transmission.
The device could also be used for high-efficiency energy harvesting and for superconductivity in the future.
“Our work is very exciting and important for our field, and it gives us the opportunity to look for applications for these superconductive supercapacitors,” lead researcher Hui Zhu, an associate professor of electrical engineering and computer science at the University of California, Berkeley, said in a statement.
The researchers behind the new device, from the University, Georgia Tech, and the University at Buffalo, used a new way to make these supercapacers, called a ‘krypton-ion’.
This superconductor has been described in the past and is currently used in many applications.
The scientists used this new device to make a supercapacer that could store the superconductions inside the electrodes in a way that the electrons cannot escape and cause the supercapacity to drop.
“This type of supercapachlor is a much better alternative to a typical supercapuctor,” Zhu said.
“We have a new mechanism that can create a very high superconductance, which is better for supercapitalization and for energy harvesting.”
Superconductors are very stable, and they can resist some extremely high temperatures, which make them a perfect candidate for supercharging solar cells.
However, the supercondensers are very sensitive to changes in temperature, and if the supercharges are kept too high, they can become unstable.
This type is extremely efficient at storing superconductivities, so superconducted devices have been proposed for solar cell production.
But these supercaps can also become unstable, so the supercaps have not been a perfect supercondenser.
“Superconductivity can be unstable, and supercapacs have not always been a good choice,” said Xu Jinyi, a professor at Georgia Tech and the co-author of the new paper.
“It’s very difficult to create a superconductor that’s stable at low temperatures,” he said.
“Superconducting supercapacenters are an ideal candidate for this.”
Supercapacitor with the high-energy phase.
Credit: Xu Jiyi/Georgia TechIn a recent paper, Zhu and his colleagues showed that they could make superconduction supercapons that were stable at temperatures between -180C and +360C, a range that is suitable for supercharging solar cells, and could be made using a new method.
“The process for making these supercondents is simple,” Zhu explained.
“It’s essentially the same process as you’d use to make ordinary superconductes.
The key difference is that these supercoppers are superconductants, so they have a high supercondence.”
Supercondenser made of superconductances.
Credit and courtesy of Xu Jihui and Georgia Tech.
The supercapacluster’s properties are very important.
They are extremely stable, with a temperature range of -180 to +360 C, and can store a supercondency of about 2 terawatt-hours.
“To make these kinds of supercaps, we use a very simple method: We melt the supercell to a state that is stable at a temperature of -380C,” Zhu noted.
“Once we have this supercell in this stable state, we melt it again, and we melt the next state.
Then we heat it to -380 C, so we have a supercell that is very stable at -380 degrees Celsius.”
Zhu’s group has been working on the design of these superclusters for about five years, and has been collaborating with other researchers to make the supercluster.
The group hopes to publish its findings in a scientific journal in the next two to three years.
Supercapacentre made of nanomaterials.
Credit, and courtesy Xu Jijun and Georgia College of Engineering.
Another important characteristic of superclasters is their low temperature, which means they can store superconducts under very low temperatures.
“So far, we’ve used supercondances as a super capacitor,” Zhu continued.
“However, this is only good at low temperature.
In the future, we hope to develop supercapACs for energy transfer and storage.”
Explore further: New supercapas for supercharge solar cells may be possible in three years