Tuesday, April 7, 2015

Develop battery charging in a minute – The Economist

US scientists said they created a battery made of inexpensive aluminum that can be loaded in a minute.

US scientists said they created a more flexible battery, inexpensive and long lasting made from aluminum for use in smart phones that can be charged in just a minute.

The researchers, who provided details about their findings in the journal Nature, said the new battery with aluminum ions has the potential to replace the batteries with lithium-ion used by millions of computers and mobile phones.

In addition to load much faster, the new aluminum battery is less risky than current lithium, which can occasionally catch fire, they said.

Researchers have long sought to develop a battery of aluminum, a metal lighter weight and relatively low cost that has a high load capacity.

A team led by chemistry professor Hongjie Dai of Stanford University in California made the discovery accidentally warn that graphite could combine well with aluminum, the institution said in a statement.

In a prototype, aluminum was used to develop a negatively charged anode , while graphite provided the material for a positively charged cathode.

The aluminum prototype battery was recharged in a minute, the scientists said.

“Lithium can cause a fire, “Dai said. “Our new batteries not it catch fire even if one transfers them with a drill,” he said.

The new battery is also very durable and flexible, scientists said.

While Lithium batteries last about 1,000 cycles, new boots made of aluminum can continue operating beyond 7,500 cycles without losing its capacity. They can also be bent.

Dai added that it was possible to use larger aluminum batteries to store renewable energy at a power station.

April

LikeTweet

No comments:

Post a Comment