Must Read Rumors

Prince William and Kate Middleton’s daughter’s baptism: Princess Charlotte’s christening coin design revealed by The Royal Mint

The countdown to the Duke and Duchess’ baby girl Princess Charlotte of Cambridge’s christening has begun!

Princess Diana’s Versace dress sold at auction! Find out for how much!

Princess Diana’s famous Versace dress was sold at an auction for almost seven times as much compared to the bidding starting price.

Tiger Woods denies rumors of having an affair and cheating on former girlfriend Lindsey Vonn with pro golfer’s ex-wife

Tiger Woods responded to rumors claiming that he had an affair with Jason Dufner’s ex-wife Amanda Boyd while he was dating Lindsey Vonn.

Kate Middleton will donate flowers brought by royal fans at Princess Charlotte’s christening to hospice charity

The Duchess of Cambridge, née Kate Middleton, is set to donate the flowers received at her daughter’s baptism from royal enthusiasts to East Anglia’s Children’s Hospices.

Kate Middleton and Prince William to attend Wimbledon next week

The Duke and Duchess of Cambridge will be present at next week’s Wimbledon quarterfinals.

Prince William and Kate Middleton’s daughter’s baptism: Princess Charlotte’s christening coin design revealed by The Royal Mint
Princess Diana’s Versace dress sold at auction! Find out for how much!
Tiger Woods denies rumors of having an affair and cheating on former girlfriend Lindsey Vonn with pro golfer’s ex-wife
Kate Middleton will donate flowers brought by royal fans at Princess Charlotte’s christening to hospice charity
Kate Middleton and Prince William to attend Wimbledon next week

Sodium batteries an alternative to lithium-ion batteries?

by Julia
May 8, 2012 at 1:15 pm

Soon we could get a cheaper alternative to lithium-ion battery, but with the same advantages.

The new batteries are based on the electrodes formed from a mixture of iron oxide, manganese and sodium. The last one is a reactive metal with properties very similar to those of lithium, but widely available worldwide and therefore much cheaper to use.

Despite the high costs and limited life, lithium-ion batteries have been powered portable computers, mobile phones and almost any other portable gadgets for years.

Currently, the development of lithium batteries seems to be reaching an end, showing that the technology is beginning to reach its limits.

A good example of this is the difference between the energy required to charge tablets and smartphones and the energy storage demonstrated by current batteries.

However, the increase of the energy density in Li-ion batteries is made in small steps and the price is higher than production costs.

A group of researchers from the University of Tokyo has come up with a daring project. They propose the replacement of the composition of lithium batteries with a combination of less expensive materials, but with similar results.

Shinichi Komaba’s team has developed a Na-ion battery that offers an energy density of 520 mWhr / g, similar to lithium-ion batteries. Unfortunately, the sodium-ion batteries developed by the Japanese researchers are losing their energy storage capacity after just 30 charging cycles, so their use in commercial products is not yet possible.

But a solution could come from Argonne National Laboratory in Chicago, where another version of the sodium battery is being tested.

A team led by a researcher named Chris Johnson has created a new material using layered vanadium pentoxide which is capable maintaining its capacity for 200 charging cycles.

At present, the most accessible lithium-ion batteries can maintain a minimum of 300 charging cycles, without losing significant energy storage capacity.

The transition to the new type of battery could boost the autonomy of these devices without raising the final costs.

Researchers must now focus on finding a way to store more energy without increasing the physical dimensions of the battery.

Lithium-ion and sodium-ion batteries now offer the same capacity, except that the latter are cheaper.

One Opinion to “Sodium batteries an alternative to lithium-ion batteries?”

  1. Sinnadurai says:

    What is the difference between fixed(stationary) and mobile(automobile)batteries?.

What do you think? What is your gossip?

The rules: Keep it clean, stay on the subject and use English only - or we may delete your comment. If you see inappropriate language email us. Read our Terms and Conditions