Sunlight shines down onto a battery pack from a rooftop solar panel in China, January 30, 2019.
A battery pack is a special type of solar cell, a thin sheet of silicon with a magnetic field.
Solar panels have been the biggest obstacle to building solar power stations in recent years, as they can’t produce enough power to power large, urban areas.
Solar power is cheaper and more reliable than conventional sources of power, but batteries are also more expensive to build and maintain.
In fact, batteries are still the most expensive part of the grid for many customers, according to the US Energy Information Administration.
A new study by researchers at MIT and the Massachusetts Institute of Technology (MIT) shows that a new type of battery made of a porous polyethylene-based material with a special chemical coating on top could solve the problem for many of these problems.
In addition, the new battery would also be more stable than current batteries, which can break down under high temperatures.
In order to make the battery, researchers coated the battery with a transparent polymer, called polyester, to make it conductive.
The polymer, or the flexible polymer, is also called an electrolyte.
The researchers fabricated the battery in a lab using a combination of carbon nanotubes, carbon nanowires, and a transparent polyester film.
To build the battery and then test it, they coated it with the polyester and applied the transparent polymer to a surface.
The polyester absorbs some of the sunlight, allowing the battery to function as a solar panel.
The material is also very stable.
When exposed to high temperatures, the polymers deform under pressure, and the flexible material acts like a shock absorber.
When the researchers coated this battery with the transparent polyesters, they found that the plastic broke down at temperatures of up to 2,500 degrees Fahrenheit, the temperature of a typical commercial battery pack.
They were able to break down the polymer at temperatures up to 6,000 degrees Fahrenheit.
The new battery has been tested in three different tests at temperatures between 1,000 and 3,000 degree Fahrenheit, which is about as hot as a typical solar panel and about 1,400 degrees Fahrenheit higher than a standard commercial battery.
The battery is stable for about five years, and can withstand up to 15 years of daily use, according the researchers.
The study was published in the journal Energy.
MIT professor of materials science and engineering, Peter J. Ostroff, said the battery is promising because it’s able to work for a long time without needing to be replaced.
He added that the material is highly conductive and flexible, which could allow the battery pack to withstand extreme temperatures.
The MIT team has already built two prototypes of the battery.
This version is about the size of a phone case, and it can store a small amount of power for about three months.
The other prototype is about 50% larger.
They’ve been able to make them in large batches, and this is the first time that they’ve built a solar-powered battery that could store up to 50% of its own capacity.
The team plans to put the batteries in a solar farm near Boston and use them to charge and discharge the solar panels that power Boston’s subway system.
The solar-electric plant could also power power a few other utilities, Ostrofeff said.
“The batteries would be useful for powering the grid, for example, when a grid operator or utility wants to switch from solar power to battery power,” Ostrof said.
The research was supported by the US Department of Energy.