tiny batteries could revolutionize green energy - battery energy storage

by:MERITSUN     2019-10-22
tiny batteries could revolutionize green energy  -  battery energy storage
To make batteries that can store more energy for cars, buildings and personal electronics, Tiny is big.
The nano-sized battery is 80,000 times thinner than human hair, a promising new frontier.
They can advance the use of electric vehicles, which are now limited by short mileage, and the use of renewable energy, which need to be stored when the wind does not blow or the sun does not shine.
The latest breakthrough is: to achieve the ultimate "nano hole" in terms of micromation ".
It is a hole in the ceramic sheet that is not thicker than a grain of salt and contains all the components the battery needs to generate current.
1 billion of these holes are connected in a honeycomb way and can be placed on a stamp. The itty-
The Bitty battery is available.
Researchers at the University of Maryland say it fully charges in 12 minutes and charges thousands of times, and they released their findings in their peers last week
Journal of Natural nanotechnology.
"We were shocked by the show," Co-co said . "
Author, Eleanor Gillette, PhD candidate for chemistry.
She attributed its fast charging to the short distance required to carry the current.
The nano-size could allow manufacturers to squeeze many batteries into a tight space, she said.
"It looks like a big step forward," said George Khatri, director of the Joint Center for Energy Storage Research at Argonne National Laboratory.
He said the Nano-holes offer many advantages.
Because they are the same.
Once they determine the best size
Will guarantee consistent results, which will make the grid-
Scale use is more promising, he said.
The battery, as with other recent advances in nanotechnology, was not possible even a decade ago, says Crabtree.
Although the field has been developing for the past 15 years, it has not been applied to energy storage until recently.
He said it could open the door to the changes needed in the battery world.
Millions of nanometers can be seen under a microscope, which can be stuffed into a stamp-sized battery.
The University of ANFLab at MarylandPush works for better batteries.
Electric cars and renewable energy, known as climate change solutions, need cheaper and better batteries for widespread use.
In order for utilities to rely on intermittent power sources, such as wind or solar, in a large part of their power, they need to take back-
Energy storage. (
Related: "Seven ingredients for better car batteries ")
So the game started.
In college, start
Big companies like GE, IBM and Toyota
Build a battery that goes beyond incremental changes to improve lithium performance
Industry standards-ion batteries
Bearer developed in the 1970 s and went public 20 years later.
Researchers, some funding from the United StatesS.
Doe is working to develop or improve several types of batteries that generate electricity by generating chemical reactions.
Most batteries have three basic parts: the electrolyte that provides electrons, the anode that discharges, and the cathode that receives electrons.
Through nano-sized materials and structures, scientists are trying to determine the best combination at the molecular level.
Last year, for example, researchers at the University of Southern California developed a new lithium
Ion batteries using porous silicon nanoparticles instead of conventional graphite anode.
The team, led by Zhou Chongwu, said that the battery is three times the energy of comparable graphite.
Complete the design and charge in 10 minutes.
"The way to get high power is nano-sized," said Gary lubroff, an engineering professor who directed the University of Maryland's NanoCenter.
"The world of nanocells has opened up many different alternatives to how they are made.
"In the process of bringing research results to market, the challenge is imminent, both simple and fast.
Many materials or components in nano-batteries are currently too expensive to be used outside niche applications.
"The development of this battery will be a major challenge in the field and the problem remains," wrote Paul Braun and Ralph nuzo of the University of Illinois at Urbana.
In a review of the University of Maryland study, champagne appreciated the results.
In addition, low oil and gas prices have suppressed demand for renewable energy sources such as wind and solar, which require power grids
Extended spare battery.
"It's hard to compete with oil and gas right now.
Part of the problem is economics, "said James Tours, Professor of Materials Science and NanoEngineering at Rice University in Houston, Texas.
His research team has created a material consisting of carbon nanotubes grown on graphene that can significantly increase energy storage.
Two companies in Texas
Headquartered in Xidex and Israel-
Headquartered in graphite, a battery based on Rice technology is being developed to charge smartphones in a matter of minutes.
"It may be available within three years," said Tour . ".
Cui Yi, a professor at Stanford University, said the commercialisation of a new battery made by his team could take three to five years, including the former U. S.
S. Energy Secretary Steven Chu ).
Their batteries are touted as "pure lithium", using lithium not only in the electrolyte, but also in the anode, which is usually graphite or silicon.
Cui's lab found a solution to a common problem: when lithium is put into the anode, it expands more than other materials during charging and even drains the electrolyte.
To prevent this, it built a "nano-sphere", a honeycomb
Just like creating a flexible nonreactive film to shield the microscopic layer of lithium.
Chu said in a statement on July that the team's battery has the potential to triple the battery life of the phone and give the electric car 300 of its battery life
Mileage.
Cui has experience in commercializing research.
He founded the Silicon Valley startup, Amprius.
Board members, including Chu, sell a new type of longLong lasting lithiumion battery.
Although it takes 20 years for the initial lithium
Crabtree said that the current focus on the market is energy storage-
Combining the benefits of Nano Science
This process may be accelerated in five to ten years.
"Now is really a time of opportunity," he said . "
"There is an opportunity to accelerate the pace of innovation.
"On Twitter: Follow Wendy Koch to get more environmental and energy coverage at NatGeoGreen.
This story is part of a special series to explore energy issues.
For more, please visit the huge energy challenges.
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