Aluminum Battery to Outpace Li-ion (Video)

A team of Stanford University researchers have developed a high-performance aluminum battery.Image: YouTube/Stanford University

A research team from Standford University has developed a high-performance aluminum battery.
Image: YouTube/Stanford University

Researchers have been attempting to make a commercially viable aluminum-ion battery for years. Now, a team from Stanford University may have developed just the thing to outpace widely used lithium-ion and alkaline batteries.

The new aluminum-ion battery demonstrates high performance, a fast charging time, long-lasting cycles, and is of low cost to produce.

“We have developed a rechargeable aluminum battery that may replace existing storage devices, such as alkaline batteries, which are bad for the environment, and lithium-ion batteries, which occasionally burst into flames,” said Hongjie Dai, a professor of chemistry at Stanford.

The researchers were able to achieve this novel battery by applying graphite as the cathode material.

This from Stanford University:

For the experimental battery, the Stanford team placed the aluminum anode and graphite cathode, along with an ionic liquid electrolyte, inside a flexible polymer-coated pouch.

Read the full article.

The new cathode material allows for an aluminum-ion battery with a faster charge time and higher durability. The new battery can withstand more than 7,500 cycles without any loss of capacity.

Compare this the typical 100 charge-discharge cycle of the previous generation of aluminum-ion batteries and the 1,000 cycle durability of the current lithium-ion battery.

Along with applications in small electronics, the new aluminum-ion battery has the potential to be used in the storage of renewable energy on the electric grid.

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